CN108538671A - A kind of transfer switch - Google Patents
A kind of transfer switch Download PDFInfo
- Publication number
- CN108538671A CN108538671A CN201810642089.XA CN201810642089A CN108538671A CN 108538671 A CN108538671 A CN 108538671A CN 201810642089 A CN201810642089 A CN 201810642089A CN 108538671 A CN108538671 A CN 108538671A
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- China
- Prior art keywords
- operation shaft
- registration arm
- hole
- drive pin
- contact mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 82
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 28
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 230000005611 electricity Effects 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/04—Cases; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
- H01H21/28—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/36—Driving mechanisms
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
Abstract
The present invention discloses a kind of transfer switch, including shell, and two groups of contact mechanisms and two sets of changements are housed on shell, and it includes an operation shaft often to cover changement, and every operation shaft drives one group of contact mechanism divide-shut brake；Be connected a reversing piece in every operation shaft, the centre of reversing piece is equipped with guide through hole, an electromagnetic coil is fixed on shell, electromagnetic coil centre bore is equipped with reseting pressuring spring and dynamic iron core, dynamic iron core one end connection reseting pressuring spring, the other end are hinged by one end of connecting pin and STATEMENT OF FEDERALLY SPONSORED, the other end of STATEMENT OF FEDERALLY SPONSORED connects a drive pin, and drive pin passes through or be inserted into the guide through hole；One return unit is rotatably socketed in operation shaft, and return unit is equipped with U-shaped driver slot, and drive pin one end fits are on the U-shaped driver slot；One end connection return unit of a piece tension spring is connected to far from drive pin side, the other end on shell.Structure of the invention is compact, and the reseting performance of driving part is good, and the reliability of switching action is higher.
Description
Technical field
The present invention relates to transfer switches.
Background technology
Transfer switch is a kind of for two-way or the device for switching of the above power supply of two-way or load transfer.Conversion is opened
Pass is widely used in the various places for needing uninterrupted power supply, realizes conversion of the loaded line between two-way power supply, with
Ensure the reliability of customer power supply.
Existing transfer switch usually requires setting mechanical reversing mechanism band dynamic contact mechanism divide-shut brake, to realize
Conversion of the loaded line between two-way power supply.As disclosed within 2010 a Patent No. ZL200810005018.5, entitled
The patent of invention of " double power change-over switch without intermittence " comprising shell, Contact Breaking/Making Operations system and machine driven system；Its structure
Feature is：This kind of double power change-over switch without intermittence includes that two machine driven systems independent of each other and two are independent of one another
Contact Breaking/Making Operations system, each machine driven system drives a Contact Breaking/Making Operations system being matched therewith.Its technology to be solved
Problem is power-interrupt time to be eliminated, and realizes unremitting dual power supply conversion.It is free of discontinuities double that this is can be seen that from its specification
Two independent machine driven system needs of transfer switch are arranged in the both sides of contact mechanism, therefore just will increase entire
Change-over switch length and volume.In addition its machine driven system includes engine base, is fixed on engine base and is equipped with the limit of limiting slot
Plate, guide ring, the first elasticity with the matched guiding tooth of guide ring, for providing reseting elasticity for guide ring and guiding tooth
Part, the electromagnetic power mechanism being fixed on engine base, with the matched transmission mechanism of division main shaft in Contact Breaking/Making Operations system and be used for
The second elastic component that elastic force is provided is resetted for transmission mechanism；Dynamic iron core in the electromagnetic power mechanism is fixed with transmission mechanism to be connected
It connects.Because the component and elastic component of the transmission system are more, the reseting performance of the machine driven system and the reliability of action can obtain
To compared with test.
Invention content
Compact-sized the technical problem to be solved in the present invention is to provide a kind of transfer switch, driving part is answered
Position performance is good, and the reliability of switching action is higher.
In order to achieve the above objectives, the technical scheme is that：A kind of transfer switch, including shell fill on shell
There are two groups of contact mechanisms and two sets of changements, one group of contact mechanism to make load end and common power end divide-shut brake, another group is touched
Head mechanism makes load end and standby electricity source divide-shut brake, and it includes being articulated in an operation shaft on shell often to cover changement, often
Root operates the reversing piece that is connected in shaft, sets on reversing piece there are two limit protrusion, is installed with gag lever post on shell, on shell
Fix an electromagnetic coil, electromagnetic coil centre bore is equipped with reseting pressuring spring and dynamic iron core, and dynamic iron core one end connects reseting pressuring spring, another
One end is hinged by one end of connecting pin and STATEMENT OF FEDERALLY SPONSORED, and the other end of STATEMENT OF FEDERALLY SPONSORED connects a drive pin, the reversing piece
Centre is equipped with guide through hole, is set on guide through hole medial surface there are two the guide surface in splayed distribution, drive pin is passed through or inserted
Enter the guide through hole；
One return unit is rotatably socketed in operation shaft, and return unit is equipped with U-shaped driver slot or strip driving is logical
Hole, drive pin one end fits are on the U-shaped driver slot or the strip drives through-hole；One end connection of a piece tension spring resets
Part is connected to far from drive pin side, the other end on shell；
When sucking dynamic iron core when electromagnetic coil obtains electric, dynamic iron core drives the drive pin along being led described in one by STATEMENT OF FEDERALLY SPONSORED
It is moved to face and reversing piece and operation shaft is then driven to rotate clockwise or counterclockwise, so that the contact mechanism divide-shut brake, is touched
When head mechanism closes a floodgate, a limit protrusion on reversing piece touch the gag lever post with limit reversing piece and operation shaft after
Continuous rotation, when contact mechanism separating brake, another described limit protrusion on reversing piece touches described gag lever post to limit reversing piece
It is rotated further with operation shaft；Reseting pressuring spring driving dynamic iron core resets when electromagnetic coil dead electricity, and the tension spring passes through return unit band
The dynamic drive pin resets；
Two operation shafts on two sets of changements are mutually parallel, and every operation shaft drives one group of contact mechanism division
Lock；Every operation shaft is also connected with the detent mechanism that the limit protrusion that one drives on reversing piece is close to gag lever post.
It is further improved, the centre of the STATEMENT OF FEDERALLY SPONSORED is equipped with abdicating through hole, and operation shaft passes through the abdicating through hole；It is described to change
Perpendicular to part and operation shaft, the gag lever post, drive pin are parallel with operation shaft；The bottom surface of the shell is in level
Position and when the drive pin is in reset state, the tension spring is in vertical state.Convenient for the location arrangements of each component, into one
Step improves the compactedness of structure.
It is preferred that the return unit includes one section of cylinder, the centre of cylinder is equipped with through-hole, and cylinder lateral surface extends one section and column
The perpendicular cantilever of body, is arranged the strip driving through-hole or the U-shaped driver slot on cantilever, return unit by cylinder among
Through-hole be rotatably sleeved on operation shaft on, cylinder side is connect with tension spring one end.
It is further improved, two guide surfaces in splayed distribution are connected by one section of transition face, described in two
Guide surface is symmetrical arranged relative to transition face；The other side that the guide through hole corresponds to two guide surfaces is respectively provided with a drive pin
When reset with the matched locating slot of drive pin.This spline structure is convenient for matching resultant motion with drive pin, further increases switching action
Reliability.
It is further improved, there are two the STATEMENT OF FEDERALLY SPONSOREDs, and two STATEMENT OF FEDERALLY SPONSOREDs are arranged in the both sides of the reversing piece, two linkages
One end of part is hinged with the other end of dynamic iron core simultaneously by connecting pin, and the drive pin passes through the other end of two STATEMENT OF FEDERALLY SPONSOREDs
And pass through the guide through hole.
It is preferred that the detent mechanism includes registration arm connected with operation shaft and perpendicular with operation shaft, it is each to position
One end of arm and one end of a compression bar are hinged, and the other end of compression bar connects compression spring, and compression spring sleeve is on a sleeve, and the one of sleeve
End is hinged on the housing；When operation shaft band dynamic contact mechanism is in separating brake or closes a floodgate, the radial direction along operation shaft is cutd open
Face, registration arm turn over hinge joint and sleeve and three points of the housing hinge point by operation spindle central point, registration arm and compression bar
The even dead point of being aligned, the compression spring provide a driving force and a limit protrusion on reversing piece are made to be close to gag lever post.
It further improves, the registration arm is cam-like, and two registration arm operated at two in shaft are respectively fixedly connected
Position corresponds, and an arc convex and an arc-shaped concave are respectively provided on the outside of two registration arm；Shaft is operated at one
When driving after a set of contact mechanism separating brake and remaining stationary as, another operation shaft can drive thereon registration arm rotate and drives separately
A set of contact mechanism closes a floodgate, and the arc-shaped concave in motionless registration arm allows bit space to the arc convex offer on rotational positioning arm；
When operating after shaft drives a set of contact mechanism to close a floodgate and remaining stationary as at one, another operation shaft positions thereon when rotating
It is another set of without that can drive by limiting rotating angle that the arc convex of arm can form interference with the arc convex in motionless registration arm
Contact mechanism closes a floodgate.This structure is stepped down and is interfered with each other by two the mutual of registration arm, and two sets of contacts are just can effectively prevent
Mechanism closes a floodgate simultaneously, avoids the occurrence of safety accident, and overall structure is simple, interlocks better performances.
Further, the radial direction along two operation shafts and two registration arm does section, the arc in each registration arm
The first camber line that convex surface is formed using the fulcrum of the operation shaft mutually connected with registration arm as the center of circle and the first camber line and
Radius between the center of circle is R1, and the second camber line that the arc-shaped concave is formed in each registration arm with registration arm not interconnect mutually
The fulcrum of another operation shaft connect is that the radius between the center of circle and the second camber line and the center of circle is R2；R2>R1.
It is preferred that R2 ratio R1 big 1mm to 2mm.
It further improves, microswitch is housed on the shell beside each registration arm, the operation being connected with registration arm
The side touching microswitch of registration arm or the operation shaft band turn being connected with registration arm when shaft is closed a floodgate with dynamic contact mechanism
Microswitch is touched in the side of registration arm when changing switch contact mechanism separating brake, and microswitch is indicated by controller or indicator light
The working condition of contact mechanism.Convenient for intuitively differentiating the working condition of change-over switch.
Two sets of changements of one aspect of the present invention can be arranged in the same side, compact overall structure, small volume；Another party
Face, due to adding a return unit in changement, and return unit is rotatably socketed in operation shaft, and return unit is equipped with
Strip drives through-hole or U-shaped driver slot, drive pin one end fits to drive through-hole or the U-shaped driver slot in the strip
On；One end connection return unit of a piece tension spring is connected to far from drive pin side, the other end on shell.When electromagnetic coil obtains electric do
When contact mechanism divide-shut brake switches, tension spring can be stretched energy storage, and when switching action is completed, reseting pressuring spring drives when electromagnetic coil dead electricity
Dynamic dynamic iron core resets, and the tension spring drives the drive pin to reset by return unit.Drive pin obtains parking position accuracy, facilitates down
The completion of switching action.Therefore the reset of driving part of the present invention can effectively improve the reliable of switching action with regard to preferable
Property.
Description of the drawings
Fig. 1 is front perspective view of the present invention；
Fig. 2 is the rear perspective view of hidden parts shell of the present invention；
Fig. 3 is the front perspective view of hidden parts shell of the present invention；
Fig. 4 is enlarged drawing at the A of Fig. 3；
Fig. 5 is the vertical view of the present invention；
Fig. 6 is the B-B sectional views of Fig. 5；
Fig. 7 is the C-C cutaway view Amplified images of Fig. 5；
Fig. 8 is the stereogram of reversing piece；
Fig. 9 is the stereogram of STATEMENT OF FEDERALLY SPONSORED；
Figure 10 is the stereogram of return unit；
Figure 11 is the stereogram of registration arm；
Figure 12 is the front view that two groups of contact mechanisms of the invention are in gate-dividing state and hidden parts shell.
Figure 13 is the front view that one group of contact mechanism is in "on" position and hidden parts shell on the right side of the present invention.
Figure 14 is that one group of contact mechanism is in "on" position and the C-C cutaway view Amplified images along Fig. 5 on the right side of the present invention；
Figure 15 is the front view that one group of contact mechanism is in "on" position and hidden parts shell on the left of the present invention.
Figure 16 is that one group of contact mechanism is in "on" position and the C-C cutaway view Amplified images along Fig. 5 on the left of the present invention.
Specific implementation mode
Invention is further described in detail with specific embodiment below in conjunction with the accompanying drawings.
Shown in Fig. 1 to Figure 11, a kind of transfer switch, including shell 1 is equipped with two groups of contact mechanisms 2 and two on shell 1
Changement 3 is covered, one group of contact mechanism 2 makes load end 4 and 5 divide-shut brake of common power end, another group of contact mechanism 2 make load end
4 with 6 divide-shut brake of standby electricity source.
Often set changement 3 includes being articulated in an operation shaft 31 on shell 1, is connected one in every operation shaft 31
Reversing piece 32 is set on reversing piece 32 there are two limit protrusion 321, and further shown in Fig. 8, a limit protrusion 321 is in commutation
Among 32 upper end of part, another limit protrusion 321 is in 32 upper end side of reversing piece；Gag lever post 33, shell are installed on shell 1
An electromagnetic coil 34 is fixed on 1,34 centre bore of electromagnetic coil is equipped with reseting pressuring spring 341 and dynamic iron core 342, dynamic iron core 342 1
End connection reseting pressuring spring 341, the other end are hinged by connecting pin 35 and one end of STATEMENT OF FEDERALLY SPONSORED 36, and the other end of STATEMENT OF FEDERALLY SPONSORED 36 connects
Connect a drive pin 37, the centre of the reversing piece 32 is equipped with guide through hole 322, set on 322 medial surface of guide through hole there are two
In the guide surface 3221 that splayed is distributed, two guide surfaces 3221 in splayed distribution pass through one section of 3222 phase of transition face
Connection, two guide surfaces 3221 are symmetrical arranged relative to transition face 3222；The guide through hole 322 corresponds to two guide surfaces
3221 other side is respectively provided with when a drive pin 37 resets and 37 matched locating slot 3223 of drive pin；Drive pin 37 passes through
The guide through hole 322, drive pin 37 also can only be inserted into the guide through hole 322.
The centre of the STATEMENT OF FEDERALLY SPONSORED 36 is equipped with abdicating through hole 361, and operation shaft 31 passes through the abdicating through hole 361；It is described
There are two moving parts 36, and two STATEMENT OF FEDERALLY SPONSOREDs 36 are arranged in the both sides of the reversing piece 32, and one end of two STATEMENT OF FEDERALLY SPONSOREDs 36 passes through connection
Pin 35 is hinged with the other end of dynamic iron core 342 simultaneously, and the drive pin 37 passes through the other end of two STATEMENT OF FEDERALLY SPONSOREDs 36 and passes through
The guide through hole 322.The downside of each STATEMENT OF FEDERALLY SPONSORED 36 is matched equipped with lower through-hole 362 with connecting pin 35, each STATEMENT OF FEDERALLY SPONSORED 36
Upside matched with drive pin 37 equipped with upper through-hole 363.
One return unit 38 is rotatable to be socketed in operation shaft 31, and return unit 38 is equipped with U-shaped driver slot 381, the U-shaped
Driver slot 381 also can drive through-hole to substitute with strip, and 37 one end fits of drive pin are on the U-shaped driver slot 381；A piece drawing
One end connection return unit 38 of spring 39 is connected to far from 37 side of drive pin, the other end on shell 1.The return unit 38 includes one
The centre of Duan Zhuti 38a, cylinder 38a are equipped with through-hole 382, and cylinder 38a lateral surfaces extend one section of cantilever perpendicular with cylinder 38a
The U-shaped driver slot 381 is set on 38b, cantilever 38b, and return unit 38 is rotatably sleeved on by the through-hole 382 among cylinder 38a
It operates in shaft 31, cylinder 38a is equipped with a protrusion 383 far from 381 side of U-shaped driver slot and is connect with 39 one end of tension spring.
When electromagnetic coil 34 obtains electric when sucking dynamic iron core 342, dynamic iron core 342 drives the drive pin 37 by STATEMENT OF FEDERALLY SPONSORED 36
It is moved along a guide surface 3221 and reversing piece 32 and operation shaft 31 is then driven to rotate clockwise or counterclockwise, so that institute
2 divide-shut brake of contact mechanism is stated, when contact mechanism 2 closes a floodgate, a limit protrusion 321 on reversing piece 32 touches the limit
Bar 33 is rotated further with limiting reversing piece 32 and operation shaft 31, when 2 separating brake of contact mechanism, described in another on reversing piece 32
Limit protrusion 321 is touched the gag lever post 33 and is rotated further with limiting reversing piece 32 and operation shaft 31；34 dead electricity of electromagnetic coil
When reseting pressuring spring 341 drive dynamic iron core 342 reset, the tension spring 39 by return unit 38 drive the drive pin 37 reset.
Two operation shafts 31 on two sets of changements 3 are mutually parallel, and the reversing piece 32 hangs down with operation 31 phase of shaft
Directly, the gag lever post 33, drive pin 37 are parallel with operation shaft 31；The bottom surface of the shell 1 is horizontal and described
When drive pin 37 is in reset state, the tension spring 39 is in vertical state；Every operation shaft 31 drives one group of contact mechanism 2
Divide-shut brake.
Every operation shaft 31 is also connected with the limit protrusion 321 that one drives on reversing piece 32 and is close to gag lever post 33
Detent mechanism 7.
The detent mechanism 7 includes and operation shaft 31 is connected and the registration arm 71 perpendicular with operation shaft 31, each
One end of registration arm 71 and one end of a compression bar 72 are hinged, and the other end of compression bar 72 connects compression spring 73, and compression spring 73 is sleeved on one
On sleeve 74, one end of sleeve 74 is hinged on the shell 1；Operation shaft 31 is in separating brake or combined floodgate with dynamic contact mechanism 2
When, section is done along the radial direction of operation shaft 31, registration arm 71 is turned over by 31 central point of operation shaft, registration arm 71 and compression bar 72
Hinge joint and sleeve 74 and 1 hinge joint of the shell, 3 points of dead points for connecting being aligned, the compression spring 73, which provides a driving force, to be made
The limit protrusion 321 obtained on reversing piece 32 is close to gag lever post 33.The compression spring 73 is in sleeve 74, the compression bar
In 72 other end insertion sleeve 74.
The registration arm 71 is cam-like, and it is mutual that two 71 positions of registration arm operated in shaft 31 at two are respectively fixedly connected
Corresponding, the outside of two registration arm 71 is respectively provided with an arc convex 711 and an arc-shaped concave 712；Shaft is operated at one
When after 31 a set of 2 separating brakes of contact mechanism of drive and remaining stationary as, another operation shaft 31 can drive the rotation of registration arm 71 thereon
And another set of contact mechanism 2 is driven to close a floodgate, the arc-shaped concave 712 in motionless registration arm 71 is convex to the arc on rotational positioning arm 71
Face 711 provides and allows bit space；When operating after shaft 31 drives a set of contact mechanism 2 to close a floodgate and remaining stationary as at one, Ling Yigen
The meeting of arc convex 711 and the formation of arc convex 711 in motionless registration arm 71 for operating registration arm 71 thereon when shaft 31 rotates
Interference is by limiting rotating angle without that another set of contact mechanism 2 can be driven to close a floodgate.Interlocking can thus be played the role of, prevent two groups
Contact mechanism 2 closes a floodgate and safety accident occurs simultaneously.
In conjunction with further shown in Fig. 5, Fig. 7, the radial direction along two operation shafts 31 and two registration arm 71 does section, each
The first camber line 7111 that the arc convex 711 is formed in registration arm 71 is with the operation shaft 31 mutually connected with registration arm 71
Fulcrum is that the radius between the center of circle and the first camber line 7111 and the center of circle is R1, and the arc is recessed in each registration arm 71
The second camber line 7121 that face 712 is formed is with the fulcrum for another operation shaft 31 not being connected with each other with registration arm 71
Radius between the center of circle and the second camber line 7121 and the center of circle is R2；R2>R1.It is preferred that R2 ratio R1 big 1mm to 2mm.
Microswitch 8 is housed on the shell 1 on 71 side of each registration arm, 31 band of operation shaft being connected with registration arm 71
The side touching microswitch 8 of registration arm 71 or the operation shaft 31 being connected with registration arm 71 drive when dynamic contact mechanism 2 closes a floodgate
Microswitch 8 is touched in the side of registration arm 71 when change-over switch 2 separating brake of contact mechanism, and microswitch 8 passes through controller or instruction
Lamp indicates the working condition of contact mechanism 2.
Each registration arm 71 is equipped with cooperation through-hole 713 and is matched with operation shaft 31, and the cross section of cooperation through-hole 713 is side
Shape, operation shaft 31 are square shape with the cross section at the cooperation of the cooperation through-hole 713.Each reversing piece 32 is equipped with side
Shape through-hole 323 with operation shaft 31 match with formed be connected, operation shaft 31 with it is transversal at the cooperation of the square through hole 323
Face is also square shape.
Also be connected a manual operation arm 9 in the operation shaft 31.Operation can be driven to turn manually by the way that arm 9 is manually operated
Axis 31 is rotated to realize the divide-shut brake of contact mechanism 2.
The operating process of the present invention is as follows：In conjunction with shown in Fig. 2, Fig. 7, Figure 12, two groups of contact mechanisms 2 of change-over switch are located
In gate-dividing state, 4 no power of load end.At this point, the limit protrusion 321 among two 32 upper ends of reversing piece is close to two respectively
Gag lever post 33；Two registration arm 71 are detached from two 8 contacts of microswitch respectively, and microswitch 8 can pass through controller or indicator light
To indicate that two groups of contact mechanisms 2 are in gate-dividing state.
Then, it if you need to make load end 4 close a floodgate with common power end 5, allows the electromagnetic coil 34 on right side to be powered and sucks dynamic iron core
342, dynamic iron core 342 drives the drive pin 37 to be moved along a guide surface 3221 and then drives commutation by STATEMENT OF FEDERALLY SPONSORED 36
Part 32 and operation shaft 31 rotate counterclockwise, so that right side contact mechanism 2 closes a floodgate, when right side contact mechanism 2 closes a floodgate, right side commutation
The a limit protrusion 321 touching gag lever post 33 of 32 upper end side of part continues to turn to limit reversing piece 32 and operation shaft 31
It is dynamic, while right positioner arm 71 follows operation shaft 31 to turn over by 31 central point of operation shaft, registration arm 71 and compression bar 72
Hinge joint and sleeve 74 and 1 hinge joint of the shell, 3 points of dead points for connecting being aligned, right side compression spring 73 driving force is provided
So that the limit protrusion 321 of 32 upper end side of right side reversing piece is close to gag lever post 33, with the stabilization for keeping contact mechanism 2 to close a floodgate
Property.Then, 34 dead electricity of right side electromagnetic coil, reseting pressuring spring 341 drive dynamic iron core 342 to reset, and the tension spring 39 on right side passes through reset
Part 38 drives the drive pin 37 to reset, and drive pin 37 coordinates in a locating slot 3223.As shown in figure 13.In this state
Under, as shown in figure 14, the arc-shaped concave 712 in motionless registration arm 71 allows to the offer of arc convex 711 on rotational positioning arm 71
Bit space, i.e. arc-shaped concave 712 in the registration arm 71 of left side provide sky of stepping down to the arc convex 711 on right positioner arm 71
Between, the arc convex 711 on right positioner arm 71 turns at the arc-shaped concave 712 in the registration arm 71 of left side；At this point, because of left side
Registration arm 71 can form interference with right positioner arm 71 when rotating clockwise and can not be rotated further by, and the contact mechanism 2 in left side is with regard to nothing
Method is closed a floodgate again, can preferably prevent safety accident.The right side of the touching of right positioner arm 71 simultaneously 8 contact of microswitch, right side are micro-
Dynamic switch 8 can indicate that right side contact mechanism 2 is in "on" position, i.e. load end 4 and common electricity by controller or indicator light
Source 5 is closed a floodgate.
Then, so that load end 4 and standby electricity source 6 is closed a floodgate, first allow 2 separating brake of contact mechanism on right side, i.e. load end 4
It is detached from common power end 5.Then it allows the electromagnetic coil 34 in left side to be powered and sucks dynamic iron core 342, dynamic iron core 342 passes through STATEMENT OF FEDERALLY SPONSORED
Then 36, which drive the drive pin 37 to be moved along a guide surface 3221, drives reversing piece 32 and operation shaft 31 clockwise
Rotation, so that left side contact mechanism 2 closes a floodgate, when left side contact mechanism 2 closes a floodgate, described in one of 32 upper end side of left side reversing piece
Limit protrusion 321 touch gag lever post 33 with limit reversing piece 32 and operation shaft 31 be rotated further, while left side registration arm 71 with
With operation shaft 31 turn over by 31 central point of operation shaft, the hinge joint of registration arm 71 and compression bar 72 and sleeve 74 with it is described
1 hinge joint of shell, 3 points of dead points for connecting being aligned, the compression spring 73 provide a driving force and make left side 32 upper end one of reversing piece
The limit protrusion 321 of side is close to gag lever post 33, with the stability for keeping left side contact mechanism 2 to close a floodgate.Then, left side electromagnetic coil
34 dead electricity, reseting pressuring spring 341 drive dynamic iron core 342 to reset, and left side tension spring 39 drives the drive pin 37 multiple by return unit 38
Position, drive pin 37 coordinate in a locating slot 3223.As shown in figure 15.In this state, as shown in figure 16, right positioner arm
Arc-shaped concave 712 on 71 allows bit space to the offer of arc convex 711 in left side registration arm 71, the arc in left side registration arm 71
Shape convex surface 711 turns at the arc-shaped concave 712 on right positioner arm 71；At this point, because right positioner arm 71 will rotate counterclockwise
Registration arm 71 forms interference and can not be rotated further by the left of Shi Huiyu, and the contact mechanism 2 on right side can not just close a floodgate again, can equally prevent from pacifying
Full accident occurs.Left side registration arm 71 touching left side microswitch 8 contact simultaneously, left side microswitch 8 can by controller or
Indicator light indicates that left side contact mechanism 2 be in "on" position, i.e. load end 4 and the combined floodgate of standby electricity source 6.
It the above is only a preferred embodiment of the invention, those skilled in the art is made equivalent change by claim
Both fall within the protection domain of this case.
Claims (10)
1. a kind of transfer switch, including shell, two groups of contact mechanisms and two sets of changements, one group of contact are housed on shell
Mechanism makes load end and common power end divide-shut brake, another group of contact mechanism make load end and standby electricity source divide-shut brake, special
Sign is：Often set changement includes being articulated in an operation shaft on shell, and be connected a reversing piece in every operation shaft,
It is set on reversing piece there are two limit protrusion, gag lever post is installed on shell, fix an electromagnetic coil on shell, in electromagnetic coil
Heart hole is equipped with reseting pressuring spring and dynamic iron core, and dynamic iron core one end connects reseting pressuring spring, one that the other end passes through connecting pin and STATEMENT OF FEDERALLY SPONSORED
End is hinged, and the other end of STATEMENT OF FEDERALLY SPONSORED connects a drive pin, and the centre of the reversing piece is equipped with guide through hole, in guide through hole
It is set on side there are two the guide surface in splayed distribution, drive pin passes through or be inserted into the guide through hole；
One return unit is rotatably socketed in operation shaft, and return unit is equipped with U-shaped driver slot or strip drives through-hole, drives
Dynamic pin one end fits are on the U-shaped driver slot or the strip drives through-hole；One end connection return unit of a piece tension spring is remote
It is connected on shell from drive pin side, the other end；
When sucking dynamic iron core when electromagnetic coil obtains electric, dynamic iron core drives the drive pin along a guide surface by STATEMENT OF FEDERALLY SPONSORED
It is mobile that reversing piece and operation shaft is then driven to rotate clockwise or counterclockwise, so that the contact mechanism divide-shut brake, contact machine
When structure closes a floodgate, a limit protrusion on reversing piece touches the gag lever post and continues to turn to limit reversing piece and operation shaft
Dynamic, when contact mechanism separating brake, another described limit protrusion on reversing piece touches described gag lever post to limit reversing piece and behaviour
It is rotated further as shaft；Reseting pressuring spring driving dynamic iron core resets when electromagnetic coil dead electricity, and the tension spring drives institute by return unit
State drive pin reset；
Two operation shafts on two sets of changements are mutually parallel, and every operation shaft drives one group of contact mechanism divide-shut brake；
Every operation shaft is also connected with the detent mechanism that the limit protrusion that one drives on reversing piece is close to gag lever post.
2. a kind of transfer switch according to claim 1, it is characterised in that：The centre of the STATEMENT OF FEDERALLY SPONSORED, which is equipped with, steps down
Through-hole, operation shaft pass through the abdicating through hole；The reversing piece and operation shaft are perpendicular, the gag lever post, drive pin and behaviour
It is parallel to make shaft；When the bottom surface of the shell is horizontal and the drive pin is in reset state, at the tension spring
In vertical state.
3. a kind of transfer switch according to claim 1, it is characterised in that：The return unit includes one section of cylinder,
The centre of cylinder is equipped with through-hole, and cylinder lateral surface extends one section of cantilever perpendicular with cylinder, the strip is arranged on cantilever
Through-hole or the U-shaped driver slot, return unit is driven rotatably to be sleeved on by the through-hole among cylinder in operation shaft, cylinder side
It is connect with tension spring one end.
4. a kind of transfer switch according to claim 1, it is characterised in that：Two are led in the described of splayed distribution
It is connected to face by one section of transition face, two guide surfaces are symmetrical arranged relative to transition face；The guide through hole corresponds to
The other side of two guide surfaces is respectively provided with when a drive pin resets and the matched locating slot of drive pin.
5. a kind of transfer switch according to claim 1, it is characterised in that：There are two the STATEMENT OF FEDERALLY SPONSOREDs, two connection
Moving part is arranged in the both sides of the reversing piece, and one end of two STATEMENT OF FEDERALLY SPONSOREDs is mutually cut with scissors with the other end of dynamic iron core simultaneously by connecting pin
It connects, the drive pin passes through the other end of two STATEMENT OF FEDERALLY SPONSOREDs and passes through the guide through hole.
6. a kind of transfer switch according to any one of claims 1 to 5, it is characterised in that：The detent mechanism packet
Include registration arm connected with operation shaft and perpendicular with operation shaft, one end phase of one end of each registration arm and a compression bar
Hinged, the other end of compression bar connects compression spring, and for compression spring sleeve on a sleeve, one end of sleeve is hinged on the housing；Operation turns
When axis band dynamic contact mechanism is in separating brake or closes a floodgate, the radial direction along operation shaft does section, and registration arm is turned over by operation shaft
The hinge joint and sleeve of heart point, registration arm and compression bar and described three points of dead points for connecting being aligned of housing hinge point, the compression spring carry
A limit protrusion on reversing piece is made to be close to gag lever post for a driving force.
7. a kind of transfer switch according to claim 6, it is characterised in that：The registration arm is cam-like, respectively
Two registration arm positions being connected in two operation shafts correspond, and it is convex that an arc is respectively provided on the outside of two registration arm
Face and an arc-shaped concave；At one after a set of contact mechanism separating brake of operation shaft drive and when remaining stationary as, another operation
Shaft can drive thereon registration arm rotate and another set of contact mechanism driven to close a floodgate, the arc-shaped concave in motionless registration arm is to rotation
Arc convex offer in registration arm allows bit space；It operates after shaft drives a set of contact mechanism to close a floodgate and remains stationary as at one
When, the arc convex of registration arm can form interference with the arc convex in motionless registration arm thereon when another operation shaft rotates
By limiting rotating angle without another set of contact mechanism can be driven to close a floodgate.
8. a kind of transfer switch according to claim 7, it is characterised in that：Along two operation shafts and two positioning
The radial direction of arm does section, and the first camber line that the arc convex is formed in each registration arm is with the operation mutually connected with registration arm
The fulcrum of shaft is that the radius between the center of circle and the first camber line and the center of circle is R1, and the arc is recessed in each registration arm
The second camber line that face is formed is using the fulcrum for another operation shaft not being connected with each other with registration arm as the center of circle and second
Radius between camber line and the center of circle is R2；R2>R1.
9. a kind of transfer switch according to claim 8, it is characterised in that：R2 ratio R1 big 1mm to 2mm.
10. a kind of transfer switch according to claim 6, it is characterised in that：Shell beside each registration arm
Upper that microswitch is housed, the side of registration arm is touched fine motion and is opened when the operation shaft being connected with registration arm is closed a floodgate with dynamic contact mechanism
Microswitch is touched in the side of registration arm when the operation shaft closed or be connected with registration arm drives change-over switch contact mechanism separating brake,
Microswitch indicates the working condition of contact mechanism by controller or indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642089.XA CN108538671B (en) | 2018-06-21 | 2018-06-21 | Power supply change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810642089.XA CN108538671B (en) | 2018-06-21 | 2018-06-21 | Power supply change-over switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108538671A true CN108538671A (en) | 2018-09-14 |
| CN108538671B CN108538671B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810642089.XA Active CN108538671B (en) | 2018-06-21 | 2018-06-21 | Power supply change-over switch |
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| CN (1) | CN108538671B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109545590A (en) * | 2019-01-10 | 2019-03-29 | 常熟开关制造有限公司(原常熟开关厂） | A kind of operating mechanism of dual-power transfer switch |
| CN110310849A (en) * | 2019-07-31 | 2019-10-08 | 柏法瑞电气（厦门）有限公司 | It is a kind of can padlock dual-power transfer switch |
| EP3933868A1 (en) * | 2020-06-24 | 2022-01-05 | Schneider Electric Industries SAS | Operation mechanism for dual-power automatic transfer switch and dual-power automatic transfer switch |
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| CN110310849A (en) * | 2019-07-31 | 2019-10-08 | 柏法瑞电气（厦门）有限公司 | It is a kind of can padlock dual-power transfer switch |
| EP3933868A1 (en) * | 2020-06-24 | 2022-01-05 | Schneider Electric Industries SAS | Operation mechanism for dual-power automatic transfer switch and dual-power automatic transfer switch |
| RU2769281C1 (en) * | 2020-06-24 | 2022-03-30 | Шнейдер Электрик Эндюстри Сас | Actuator for automatic transfer switch of dual power supply and automatic transfer switch of dual power supply |
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|---|---|
| CN108538671B (en) | 2024-02-23 |
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