CN110379656A - Dual power supply switching mechanism and power supply with the dual power supply switching mechanism - Google Patents
Dual power supply switching mechanism and power supply with the dual power supply switching mechanism Download PDFInfo
- Publication number
- CN110379656A CN110379656A CN201910718897.4A CN201910718897A CN110379656A CN 110379656 A CN110379656 A CN 110379656A CN 201910718897 A CN201910718897 A CN 201910718897A CN 110379656 A CN110379656 A CN 110379656A
- Authority
- CN
- China
- Prior art keywords
- power supply
- power switch
- common
- backup power
- moving contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 52
- 230000009977 dual effect Effects 0.000 title claims abstract description 45
- 230000003068 static effect Effects 0.000 claims abstract description 41
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 57
- 230000005611 electricity Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010891 electric arc Methods 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of dual power supply switching mechanism and the power supply with the dual power supply switching mechanism, dual power supply switching mechanism, comprising: common power switch, including the first moving contact and the first static contact being oppositely arranged with first moving contact；Backup Power Switch, including the second moving contact and the second static contact being oppositely arranged with second moving contact；Driving mechanism, including be connected respectively with first moving contact and second moving contact, it is driven the actuator of reciprocating movement, the actuator has the de-energized for making the common power switch and the Backup Power Switch while power-off；And the common power switch is powered and the first on-position of Backup Power Switch power-off；The Backup Power Switch is powered and the second on-position of the common power switch power-off.To solve the problem of that lacking mechanical self-locking device between its common power supply of dual power supply switching mechanism in the prior art and backup power source will cause severe compromise.
Description
Technical field
The present invention relates to transfer switch technical fields, and in particular to dual power supply switching mechanism and have the dual power supply turn
It changes planes the power supply of structure.
Background technique
Dual power supply switching mechanism is that have its main part of the power supply of dual power supply, dual power supply switching mechanism have two groups it is quiet
Contact is separately connected common power supply and backup power source, one group of moving contact or two groups of moving contacts link together with above-mentioned static contact
Form output end.By moving contact and different groups of static contacts point/conjunction acts, so that it is different to realize that above-mentioned output end is connected to
Power supply.
Lack mechanical self-locking device between its common power supply of dual power supply switching mechanism in the prior art and backup power source, often
It is possible to will appear the case where being closed at the control switch of power supply and backup power source, causes common power supply and backup power source short
It is connected together, causes serious security risk.
Summary of the invention
Therefore, the present invention is intended to provide dual power supply switching mechanism and the power supply with the dual power supply switching mechanism, with
It solves to lack mechanical self-locking device between its common power supply of dual power supply switching mechanism in the prior art and backup power source, will cause
The problem of severe compromise.For this purpose, the present invention provides a kind of dual power supply switching mechanism, comprising:
Common power switch, including the first moving contact and the first static contact being oppositely arranged with first moving contact；
Backup Power Switch, including the second moving contact and the second static contact being oppositely arranged with second moving contact；
Driving mechanism, including be connected respectively with first moving contact and second moving contact, it is driven reciprocating movement
Actuator, the actuator have make the common power switch and the Backup Power Switch simultaneously power off power down bit
It sets；And the common power switch is powered and the first on-position of Backup Power Switch power-off；The backup power source
Switch is powered and the second on-position of the common power switch power-off.
Dual power supply switching mechanism, further includes:
Common power drives arm, is rotatably arranged on support portion, both ends respectively with first moving contact and described
The wherein side of actuator is connected；
Backup power source actuating arm, is rotatably arranged on support portion, both ends respectively with second moving contact and described
The other side of actuator is connected；
The actuator is towards past between the common power drives arm direction and backup power source actuating arm direction
Multiple movement.
It is provided with the first connecting rod being rotatedly connected with it on the common power drives arm, the first connecting rod and described the
One moving contact is connected to drive first moving contact to move along a straight line, and is connected or disconnects with first static contact；And/or institute
State the second connecting rod for being provided on backup power source actuating arm and being rotatedly connected with it, the second connecting rod and the second moving contact phase
Even to drive second moving contact to move along a straight line, it is connected or disconnects with second static contact.
The common power switch and/or the Backup Power Switch are vacuum-tube switch.
The actuator is the dynamic iron core by electromagnetic drive.
The driving mechanism further includes static iron core, the first electromagnetic wire for being positioned close to the common power drives arm side
The second electromagnetic coil of backup power source actuating arm side is enclosed, is positioned close to, and for being maintained at the dynamic iron core
The permanent magnet of first on-position or the de-energized or second on-position.
The static iron core has for accommodating the dynamic iron core, the permanent magnet and first electromagnetic coil and described
The cavity of second electromagnetic coil, what the dynamic iron core was driven slides in the cavity.
The dynamic iron core has the first interlocking bar being slidably arranged in described common its accommodating hole of power drives arm, described
First interlocking bar is equipped with the separating brake locating part and combined floodgate locating part for being located at the common power drives arm two sides；Described point
It is provided between lock locating part and the common power drives arm for pushing the common power drives arm to make the common electricity
The separating brake elastic component of source switch power-off, is provided between the combined floodgate locating part and the common power drives arm for pushing
State the combined floodgate elastic component that common power drives arm makes the common power switch be powered.
The dynamic iron core has the second interlocking bar being slidably arranged in described its accommodating hole of backup power source actuating arm, described
Second interlocking bar is equipped with the separating brake locating part and combined floodgate locating part for being located at backup power source actuating arm two sides；Described point
It is provided between lock locating part and the backup power source actuating arm for pushing the backup power source actuating arm to make the standby electricity
The separating brake elastic component of source switch power-off, is provided between the combined floodgate locating part and the backup power source actuating arm for pushing
State the combined floodgate elastic component that backup power source actuating arm makes the Backup Power Switch be powered.
A kind of distribution system, above-mentioned dual power supply switching mechanism.
Technical solution of the present invention has the advantages that
1. dual power supply switching mechanism provided by the invention, comprising: common power switch, including the first moving contact and with institute
State the first static contact that the first moving contact is oppositely arranged；Backup Power Switch, including the second moving contact and with it is described second dynamic
The second static contact that contact is oppositely arranged；Driving mechanism, including respectively with first moving contact and the second moving contact phase
Even, it is driven the actuator of reciprocating movement, the actuator has and makes the common power switch and the Backup Power Switch
The de-energized of power-off simultaneously；And the common power switch is powered and the first of Backup Power Switch power-off is powered
Position；The Backup Power Switch is powered and the second on-position of the common power switch power-off.Above-mentioned actuator is reciprocal
It is mobile, when actuator is moved to the position Shi Changyong power switch energization close to common power switch side, Backup Power Switch
Power-off；When actuator is moved to close to the position of Backup Power Switch side, Backup Power Switch is powered, and commonly uses power switch
Power-off；Only common both power switch and Backup Power Switch one can be effectively realized to be powered, and then realize common electricity
Mechanical self-latching between source switch and Backup Power Switch makes common power switch and Backup Power Switch not to be powered simultaneously,
Whole conversion process is set to accomplish the function of first powering off " first have no progeny and connect " for being connected to again, to solve dual power supply in the prior art
The problem of lacking mechanical self-locking device between its common power supply of switching mechanism and backup power source, avoids common power switch and spare
The control switch of power switch is possible to will appear the case where being closed at energization generation, avoids common power switch and standby electricity
The problem of source switch is shorted together, and causes safety accident generation.
2. dual power supply switching mechanism provided by the invention, further includes: common power drives arm is rotatably arranged on support portion
On, both ends are connected with the wherein side of first moving contact and the actuator respectively；Backup power source actuating arm, rotation
It is arranged on support portion, both ends are connected with the other side of second moving contact and the actuator respectively；The drive
Moving part is moved back and forth towards between the common power drives arm direction and backup power source actuating arm direction.Pass through rotation
Above-mentioned common power drives arm on support portion is set and backup power source actuating arm can be effectively by the reciprocal fortune of actuator
Turn is changed to the active force for pushing the first moving contact and the first static contact on-off, and pushes the second moving contact and the second static contact
The active force of on-off.To simply and reliablely realize that common both power switch and Backup Power Switch one is powered.
3. dual power supply switching mechanism provided by the invention, it is provided on the common power drives arm and is rotatedly connected with it
First connecting rod, the first connecting rod is connected to drive first moving contact to move along a straight line with first moving contact, with institute
The first static contact is stated to be connected or disconnect；And/or it is provided with the second connecting rod being rotatedly connected with it on the backup power source actuating arm,
The second connecting rod is connected to drive second moving contact to move along a straight line with second moving contact, with second stationary contact
Head is connected or disconnects.Common power drives arm pushes the first moving contact and the first stationary contact by the first connecting rod being rotatedly connected with it
Head connection disconnects；Backup power source actuating arm pushes the second moving contact and second quiet by the second connecting rod being rotatedly connected with it
Contact connection disconnects；It is driven by the above-mentioned first connecting rod being rotatedly connected with common power drives arm, and with backup power source
The second connecting rod that swing arm is rotatedly connected can drive the first moving contact and the second moving contact to move along a straight line, to make the first dynamic touching
Head is accurately coupled logical towards the movement of the first static contact or disconnects, and makes the second moving contact accurately towards the second static contact
It moves coupled logical or disconnects, avoid the first moving contact and the first static contact or the second moving contact and the second static contact
The problem of position deviation, occurs for docking.
4. dual power supply switching mechanism provided by the invention, the common power switch and/or the Backup Power Switch are
Vacuum-tube switch.Existing transfer switch all uses air blowout contact, referred to as air contact.Moving contact, static contact
Generated electric arc when separation, at least needs the 10ms time that could extinguish under air conditions；To ensure common power supply and spare
The nonsynchronous power supply of power supply two-way is connected together without going past the electric arc of above-mentioned air blowout contact, it is necessary to existing dynamic touching
There are at least journey times of 20ms for head.Therefore existing dual-power transfer switch can not complete conversion in 20ms.The application
Middle to substitute existing air blowout contact using vacuum-tube switch, vacuum-tube switch has the advantages that arc extinguishing is rapid, can be short
The work of common power supply and backup power source switching is completed in time, so as to rapidly realize output end and common power supply and standby
With the function being switched fast between power supply, moved with meeting to complete to switch in 20ms between common power supply and backup power source
Make.
5. dual power supply switching mechanism provided by the invention, the actuator is the dynamic iron core by electromagnetic drive.Electromagnetic drive
Mode relative to the mode of motor drive have the advantages that movement faster, further increase common power supply and backup power source two
Switch speed between person.
6. dual power supply switching mechanism provided by the invention, the driving mechanism further include static iron core, be positioned close to it is described
First electromagnetic coil of common power drives arm side, the second electromagnetic wire for being positioned close to backup power source actuating arm side
Circle, and for making the dynamic iron core be maintained at first on-position or the de-energized or second on-position
Permanent magnet.When the first electromagnetic coil is powered, the electromagnetic force of generation can effectively drive mobile as the dynamic iron core of actuator
To the position close to power drives arm side；In addition, above-mentioned dynamic iron core can be effectively kept under by the magneticaction of permanent magnet
Stationary state makes common power switch be powered or power off.
7. dual power supply switching mechanism provided by the invention, the dynamic iron core, which has, is slidably arranged in the common power drives
The first interlocking bar in its accommodating hole of arm, first interlocking bar are equipped with and are located at the common power drives arm two sides
Separating brake locating part and combined floodgate locating part；It is provided between the separating brake locating part and the common power drives arm for pushing
Stating common power drives arm makes the separating brake elastic component of the common power switch power-off, the combined floodgate locating part and the common electricity
The combined floodgate elasticity for pushing the common power drives arm that the common power switch is made to be powered is provided between the actuating arm of source
Part.By the way that combined floodgate elastic component, above-mentioned combined floodgate are arranged between the combined floodgate locating part and common power drives arm in the first interlocking bar
Elastic component can be the elastomeric elements such as spring.When common power switch being driven to be powered, the first interlocking bar direction commonly uses power drives
In the moving process of arm direction, above-mentioned combined floodgate elastic component can under the impetus of combined floodgate locating part deformation occurs compression to storing
Energy.When the energy of combined floodgate elastic component storage is larger can push separating brake elastic component deformation occurs, combined floodgate elastic component be will push
Common power drives arm is rotated in the clockwise direction to make common power switch energization connection, and Backup Power Switch is disconnected at this time
Electricity.When common power switch and Backup Power Switch being driven to disconnect, the second electromagnetic coil, which is powered, drives first by dynamic iron core
Interlocking bar is directed away from the moving process of common power drives arm direction, and above-mentioned separating brake elastic component can be in the promotion of separating brake locating part
Compression that deformation occurs under effect is to store energy.Combined floodgate elastic component can be pushed when the energy of separating brake elastic component storage is larger
When, combined floodgate elastic component will push common power drives arm and rotate to disconnect common power switch power-off in the counterclockwise direction.
8. dual power supply switching mechanism provided by the invention, the dynamic iron core, which has, is slidably arranged in the backup power source driving
The second interlocking bar in its accommodating hole of arm, second interlocking bar are equipped with and are located at backup power source actuating arm two sides
Separating brake locating part and combined floodgate locating part；It is provided between the separating brake locating part and the backup power source actuating arm for pushing
Stating backup power source actuating arm makes the separating brake elastic component of the Backup Power Switch power-off, the combined floodgate locating part and the standby electricity
The combined floodgate elasticity for pushing the backup power source actuating arm that the Backup Power Switch is made to be powered is provided between the actuating arm of source
Part.When Backup Power Switch being driven to be powered, the second interlocking bar is towards in the moving process of backup power source actuating arm direction, above-mentioned combined floodgate
Elastic component can under the impetus of combined floodgate locating part deformation occurs compression to storing energy.When the energy of combined floodgate elastic component storage
Measure larger when can push separating brake elastic component deformation occurs, combined floodgate elastic component will push backup power source actuating arm in the counterclockwise direction
Rotation is connected to make Backup Power Switch be powered, and commonly uses power switch power-off at this time.Drive common power switch and standby electricity
When source switch disconnects, the second electromagnetic coil is powered drives the second interlocking bar to be directed away from common power drives arm by dynamic iron core
In the moving process of direction, above-mentioned separating brake elastic component can under the impetus of separating brake locating part deformation occurs compression to storing energy
Amount.When the energy of separating brake elastic component storage is larger can push combined floodgate elastic component, combined floodgate elastic component will push backup power source drive
Swing arm is rotated in the clockwise direction to disconnect Backup Power Switch power-off.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is dual power supply switching mechanism its work shape provided by the invention only commonly using power switch and being under energized state
State schematic diagram；
Fig. 2 is the power supply conversion that common power switch provided by the invention and Backup Power Switch are in de-energized simultaneously
Its working state schematic representation of mechanism；
Fig. 3 is dual power supply switching mechanism its work shape that only Backup Power Switch provided by the invention is under energized state
State schematic diagram.
Description of symbols:
1- often uses power switch；The first moving contact of 2-；The first static contact of 3-；4- Backup Power Switch；The second moving contact of 5-；
The second static contact of 6-；7- actuator；8- often uses power drives arm；9- support portion；10- backup power source actuating arm；11- first connects
Bar；12- second connecting rod；13- static iron core；The first electromagnetic coil of 14-；The second electromagnetic coil of 15-；16- permanent magnet；17- cavity；
The first interlocking bar of 18-；19- separating brake locating part；20- combined floodgate locating part；21- separating brake elastic component；22- combined floodgate elastic component；23- second
Interlocking bar.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides a kind of dual power supply switching mechanisms, as shown in Figure 1 to Figure 3 comprising:
Common power switch 1 is vacuum-tube switch comprising the first moving contact 2 and opposite with first moving contact 2
The first static contact 3 being arranged；
Backup Power Switch 4 is vacuum-tube switch comprising the second moving contact 5 and opposite with second moving contact 5
The second static contact 6 being arranged；Existing transfer switch all uses air blowout contact, referred to as air contact.Moving contact,
Static contact generated electric arc when separating, at least needs the 10ms time that could extinguish under air conditions；To ensure common power supply
With the nonsynchronous power supply of backup power source two-way without going past above-mentioned air blowout contact electric arc conducting together with, it is necessary to existing
Moving contact there are at least journey times of 20ms.Therefore existing dual-power transfer switch can not complete conversion in 20ms.
Existing air blowout contact is substituted using vacuum-tube switch in the application, vacuum-tube switch has the advantages that arc extinguishing is rapid, can
To be completed in a short time the work of common power supply and backup power source switching, so as to rapidly realize output end and common electricity
The function being switched fast between source and backup power source can be completed to cut in 20ms to meet between common power supply and backup power source
Move work；
Driving mechanism, including be connected respectively with first moving contact 2 and second moving contact 5, it is driven reciprocal shifting
Dynamic actuator 7, the actuator 7 is towards common 8 direction of power drives arm and 10 side of backup power source actuating arm
It is moved back and forth between.Above-mentioned actuator 7 be by electromagnetic drive dynamic iron core, dynamic iron core have make the common power switch 1
With the de-energized of the power-off simultaneously of Backup Power Switch 4；And the common power switch 1 is powered and the standby electricity
The first on-position that source switch 4 powers off；The Backup Power Switch 4 be powered and the common power switch 1 power-off second
On-position；Above-mentioned actuator 7 moves back and forth, common when actuator 7 is moved to close to the position of common 1 side of power switch
Power switch 1 is powered, and Backup Power Switch 4 powers off；When actuator 7 is moved to close to the position of 4 side of Backup Power Switch
Backup Power Switch 4 is powered, and commonly uses power switch 1 and powers off；Only common power switch 1 and backup power source can be effectively realized
Both switches 4 one is powered, and then realizes the mechanical self-latching between common power switch 1 and Backup Power Switch 4, makes common electricity
Source switch 1 and Backup Power Switch 4 can not be powered simultaneously, and whole conversion process is allow to accomplish first to power off " first breaking of being connected to again
Be followed by " function, it is mechanical to solve to lack between its common power supply of dual power supply switching mechanism in the prior art and backup power source
The problem of self-locking device, avoids the control switch of common power switch 1 and Backup Power Switch 4 from being possible to will appear and be closed at
The problem of the case where energization, occurs, and common power switch 1 and Backup Power Switch 4 is avoided to be shorted together, cause safety accident
Occur；
Above-mentioned driving mechanism further include: static iron core 13, the first electricity for being positioned close to common 8 side of power drives arm
Magnetic coil 14, the second electromagnetic coil 15 for being positioned close to 10 side of backup power source actuating arm, and it is described dynamic for making
Iron core is maintained at the permanent magnet 16 of first on-position or the de-energized or second on-position, above-mentioned quiet iron
Core 13 has for accommodating the dynamic iron core, the permanent magnet 16 and first electromagnetic coil 14 and second electromagnetic wire
The cavity 17 of circle 15, what the dynamic iron core was driven slides in the cavity 17.Above-mentioned permanent magnet 16 can effectively realize
Permanent magnetism holding effect to dynamic iron core, dynamic iron core can effectively keep stationary state under by the magneticaction of permanent magnet 16, make
Common power switch 1 is powered or power-off；
Common power drives arm 8, is rotatably arranged on support portion 9, and one end passes through the first connecting rod that is rotatedly connected with it
11 are connected to drive first moving contact 2 to move along a straight line with first moving contact 2, thus with first static contact 3
Be connected or disconnect, the other end in the first interlocking bar 18 separating brake locating part 19 and combined floodgate locating part 20 drive under with support portion
9 rotate for center of rotation, to complete the power on/off movement of common power switch 1, above-mentioned combined floodgate locating part 20 and separating brake locating part
19 be limit plate；
The dynamic iron core has the first interlocking bar 18 being slidably arranged in described common its accommodating hole of power drives arm 8,
First interlocking bar 18 is equipped with the separating brake locating part 19 for being located at common 8 two sides of power drives arm and limit of closing a floodgate
Part 20；It is provided between the separating brake locating part 19 and the common power drives arm 8 for pushing the common power drives
The separating brake elastic component 21 that arm 8 powers off the common power switch 1, the combined floodgate locating part 20 and the common power drives arm
The combined floodgate elastic component 22 for pushing the common power drives arm 8 that the common power switch 1 is made to be powered is provided between 8,
And above-mentioned separating brake elastic component 21 and combined floodgate elastic component 22 are spring；Pass through 20 He of combined floodgate locating part in the first interlocking bar 18
Combined floodgate elastic component 22 is set between common power drives arm 8, and above-mentioned combined floodgate elastic component 22 can be the elastomeric elements such as spring.Driving
When common power switch 1 is powered, the first interlocking bar 18 is towards in common 8 direction moving process of power drives arm, above-mentioned combined floodgate bullet
Property part 22 can under the impetus of combined floodgate locating part 20 deformation occurs compression to storing energy.When combined floodgate elastic component 22 stores
Energy it is larger when can push separating brake elastic component 21 deformation occurs, combined floodgate elastic component 22 will push common 8 edge of power drives arm
It is connected to rotationally clockwise to make common power switch 1 be powered, Backup Power Switch 4 powers off at this time.Drive common power supply
When switch 1 and Backup Power Switch 4 disconnect, the second electromagnetic coil 15, which is powered, drives 18 direction of the first interlocking bar by dynamic iron core
Far from common 8 direction moving process of power drives arm, above-mentioned separating brake elastic component 21 can be in the impetus of separating brake locating part 19
Compression that deformation occurs down is to store energy.Combined floodgate elastic component 22 can be pushed when the energy that separating brake elastic component 21 stores is larger
When, combined floodgate elastic component 22 will push common power drives arm 8 and rotate to keep the common power-off of power switch 1 disconnected in the counterclockwise direction
It opens；
Backup power source actuating arm 10 is rotatably arranged on support portion 9, and one end passes through the second connecting rod that is rotatedly connected with it
12 are connected to drive second moving contact 5 to move along a straight line with second moving contact 5, thus with second static contact 6
Be connected or disconnect, the other end on second connecting rod 12 separating brake locating part 19 and combined floodgate locating part 20 drive under with support portion 9
For center of rotation rotation, acted with completing the power on/off of Backup Power Switch 4；
The dynamic iron core has the second interlocking bar 23 being slidably arranged in described its accommodating hole of backup power source actuating arm 10,
Second interlocking bar 23 is equipped with the separating brake locating part 19 for being located at 10 two sides of backup power source actuating arm and limit of closing a floodgate
Position part 20；It is provided between the separating brake locating part 19 and the backup power source actuating arm 10 for pushing the backup power source to drive
The separating brake elastic component 21 that swing arm 10 powers off the Backup Power Switch 4, the combined floodgate locating part 20 and the backup power source drive
The combined floodgate elasticity for pushing the backup power source actuating arm 10 that the Backup Power Switch 4 is made to be powered is provided between swing arm 10
Part 22, and above-mentioned separating brake elastic component 21 and combined floodgate elastic component 22 are spring；When Backup Power Switch 4 being driven to be powered, second
For lever 23 towards in 10 direction moving process of backup power source actuating arm, above-mentioned combined floodgate elastic component 22 can pushing away in combined floodgate locating part 20
Movement is with lower deformation occurs compression to storing energy.Separating brake can be pushed elastic when the energy that combined floodgate elastic component 22 stores is larger
When deformation occurs, combined floodgate elastic component 22 will push backup power source actuating arm 10 and rotates to make standby electricity in the counterclockwise direction part 21
Source switch 4, which is powered, to be connected to, and is commonly used power switch 1 at this time and is powered off.Common power switch 1 and Backup Power Switch 4 is driven to disconnect
When, the second electromagnetic coil 15 is powered drives the second interlocking bar 23 to be directed away from common 8 direction of power drives arm shifting by dynamic iron core
During dynamic, above-mentioned separating brake elastic component 21 can under the impetus of separating brake locating part 19 deformation occurs compression to store energy
Amount.When the energy that separating brake elastic component 21 stores is larger can push combined floodgate elastic component 22, combined floodgate elastic component 22 will push spare
Power drives arm 10 is rotated in the clockwise direction to disconnect the power-off of Backup Power Switch 4；
The present embodiment also provides distribution system, including above-mentioned dual power supply switching mechanism.Above-mentioned distribution system is arbitrary equipment
Feeder ear.
Dual power supply switching mechanism provided in this embodiment includes following mode of operation:
1. being often closed with power switch 1, when Backup Power Switch 4 disconnects, dynamic iron core is located at this time drives close to common power supply
The first connecting rod 11 of 8 side of swing arm, combined floodgate locating part 20 and separating brake locating part 19 on first connecting rod 11 wait components
Following movement: the first electromagnetic coil 14 is powered, and the combined floodgate locating part 20 on first connecting rod 11 pushes combined floodgate elastic component 22, combined floodgate bullet
Property part 22 be squeezed and be compressed into maximum, push common power drives arm 8 along rotating clockwise, so that the first moving contact 2 and the
The contact of one static contact 3 is connected, and commonly uses the closure of power switch 1 and is powered；At this point, separating brake locating part 19 is located remotely from common power drives
The position of arm 8, separating brake elastic component 21 are in and are uncompressed state；And in permanent magnetism hold mode, the power-off of the first electromagnetic coil 15 is lost
Electromagnetic force is gone, dynamic iron core is remain stationary state by 13 left position of static iron core that acts on of permanent magnet 16.
Dynamic iron core is located on the side of backup power source actuating arm 10, dynamic iron core close to backup power source actuating arm 10 at this time
The second connecting rod 12 of side, the equal components of combined floodgate locating part 20 and separating brake locating part 19 on second connecting rod 12 are in following shape
State: for dynamic iron core far from backup power source actuating arm 10, the separating brake locating part 19 in dynamic iron core pushes separating brake elastic component 21, separating brake elasticity
Part 21, which is squeezed, is compressed into maximum, pushes backup power source actuating arm 10, so that the second moving contact 5 and the second static contact 6 are kept
Separation, Backup Power Switch 4 power off.
2. often being disconnected with power switch 1, when Backup Power Switch 4 disconnects, the second electromagnetic coil 15 is powered, the electromagnetism of generation
Gravitational attraction dynamic iron core is mobile to the center between the first electromagnetic coil 14 and the second electromagnetic coil 15.At this point, being located at first
22 pressure of combined floodgate elastic component on connecting rod 11 reduces, and 21 pressure of separating brake elastic component increases, and pushes common power drives arm 8 counterclockwise
To close to the movement of 16 direction of permanent magnet, the support that power drives arm 8 passes through support portion 9 is commonly used, is pulled with leverage common electric
The contact of source switch 1 separates, and is in contact until commonly using power drives arm 8 with static iron core 13, and common power drives arm 8 is made to keep quiet
Only state；
Dynamic iron core is located at close to the side of backup power source actuating arm 10 at this time, the combined floodgate elastic component on second connecting rod 12
22 pressure increase, and the pressure of separating brake elastic component 21 is with respect to reduction, the pressure of combined floodgate elastic component 22 but still less than separating brake elastic component
21 pressure, backup power source actuating arm 10 do not rotate, and Backup Power Switch 4 is still in off-state.
3. often being disconnected with power switch 1, when Backup Power Switch 4 is closed, dynamic iron core continues to far from common power drives
8 side of arm is mobile, and dynamic iron core is on the second connecting rod 12 close to 10 side of backup power source actuating arm, second connecting rod 12 at this time
Following movement occurs for the components such as combined floodgate locating part 20 and separating brake locating part 19: the combined floodgate locating part 20 on second connecting rod 12 pushes away
Dynamic circuit connector lock elastic component 22, combined floodgate elastic component 22, which is squeezed, is compressed into maximum, and backup power source actuating arm 10 is pushed to turn along counterclockwise
Dynamic, so that the second moving contact 5 is connected with the contact of the second static contact 6, the closure of Backup Power Switch 4 is powered；At this point, separating brake locating part
19 are located remotely from the position of backup power source actuating arm 10, and separating brake elastic component 21 is in and is uncompressed state；And shape is kept in permanent magnetism
State, the power-off of the second electromagnetic coil 15 lose electromagnetic force, and dynamic iron core is protected by 13 right end position of static iron core that acts on of permanent magnet 16
Hold stationary state.
Dynamic iron core is located on the side of common power drives arm 8, dynamic iron core close to common power drives arm 8 one at this time
The first connecting rod 11 of side, the equal components of combined floodgate locating part 20 and separating brake locating part 19 on first connecting rod 11 are in following shape
State: for dynamic iron core far from power drives arm 8 is commonly used, the separating brake locating part 19 in dynamic iron core pushes separating brake elastic component 21, separating brake elasticity
Part 21, which is squeezed, is compressed into maximum, pushes common power drives arm 8, so that the first moving contact 2 and the first static contact 3 keep dividing
From common power switch 1 powers off.
Certainly, the present patent application is not particularly limited the position of common power switch 1 and Backup Power Switch 4, at it
In its embodiment, the position of common power switch 1 and Backup Power Switch 4 can mutually be exchanged.
Certainly, the present patent application is not particularly limited the structure of common power switch 1 and Backup Power Switch 4, at it
In its embodiment, commonly uses power switch 1 and/or Backup Power Switch 4 can also be air blowout contact.
Certainly, the present patent application is not particularly limited the structure of separating brake elastic component 21 and combined floodgate elastic component 22, other
In embodiment, above-mentioned separating brake elastic component 21 and combined floodgate elastic component 22 can also can be with the elastic portions that deformation occurs for rubber parts etc.
Part.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of dual power supply switching mechanism characterized by comprising
Common power switch (1) is oppositely arranged first quiet including the first moving contact (2) and with first moving contact (2)
Contact (3)；
Backup Power Switch (4) is oppositely arranged second quiet including the second moving contact (5) and with second moving contact (5)
Contact (6)；
Driving mechanism, including be connected respectively with first moving contact (2) and second moving contact (5), it is driven reciprocal shifting
Dynamic actuator (7), the actuator (7) have make the common power switch (1) and the Backup Power Switch (4) simultaneously
The de-energized of power-off；And the common power switch (1) is powered and the first of the Backup Power Switch (4) power-off is logical
Electric position；The Backup Power Switch (4) is powered and the second on-position of the common power switch (1) power-off.
2. dual power supply switching mechanism according to claim 1, which is characterized in that further include:
Common power drives arm (8), are rotatably arranged on support portion (9), both ends respectively with first moving contact (2) and
The wherein side of the actuator (7) is connected；
Backup power source actuating arm (10) is rotatably arranged on support portion (9), both ends respectively with second moving contact (5) with
And the other side of the actuator (7) is connected；
The actuator (7) is towards common power drives arm (8) direction and the backup power source actuating arm (10) direction
Between move back and forth.
3. dual power supply switching mechanism according to claim 2, which is characterized in that set on the common power drives arm (8)
It is equipped with the first connecting rod (11) being rotatedly connected with it, the first connecting rod (11) is connected to drive with first moving contact (2)
First moving contact (2) moves along a straight line, and is connected or disconnects with first static contact (3)；And/or the backup power source drives
The second connecting rod (12) being rotatedly connected with it, the second connecting rod (12) and second moving contact are provided on swing arm (10)
(5) it is connected to drive second moving contact (5) to move along a straight line, is connected or disconnects with second static contact (6).
4. dual power supply switching mechanism according to claim 1, which is characterized in that the common power switch (1) and/or institute
Stating Backup Power Switch (4) is vacuum-tube switch.
5. dual power supply switching mechanism according to any one of claim 2 to 4, which is characterized in that the actuator (7) is
By the dynamic iron core of electromagnetic drive.
6. dual power supply switching mechanism according to claim 5, which is characterized in that the driving mechanism further includes static iron core
(13), be positioned close to the first electromagnetic coil (14) of common power drives arm (8) side, be positioned close to it is described spare
Second electromagnetic coil (15) of power drives arm (10) side, and for making the dynamic iron core be maintained at first energization position
It sets or the permanent magnet (16) of the de-energized or second on-position.
7. dual power supply switching mechanism according to claim 6, which is characterized in that the static iron core (13) has for accommodating
The cavity of the dynamic iron core, the permanent magnet (16) and first electromagnetic coil (14) and second electromagnetic coil (15)
(17), what the dynamic iron core was driven slides in the cavity (17).
8. dual power supply switching mechanism according to claim 6 or 7, which is characterized in that
The dynamic iron core has the first interlocking bar (18) being slidably arranged in described common its accommodating hole of power drives arm (8),
First interlocking bar (18) is equipped with the separating brake locating part (19) for being located at common power drives arm (8) two sides and closes
Lock locating part (20)；It is provided between the separating brake locating part (19) and the common power drives arm (8) described for pushing
Common power drives arm (8) make the separating brake elastic component (21) of common power switch (1) power-off, the combined floodgate locating part (20)
It is provided between the common power drives arm (8) for pushing the common power drives arm (8) to make the common power supply
Switch the combined floodgate elastic component (22) that (1) is powered.
9. the dual power supply switching mechanism according to any one of claim 6 to 8, which is characterized in that
The dynamic iron core has the second interlocking bar (23) being slidably arranged in described its accommodating hole of backup power source actuating arm (10),
Second interlocking bar (23) be equipped be located at backup power source actuating arm (10) two sides separating brake locating part (19) and
Combined floodgate locating part (20)；It is provided between the separating brake locating part (19) and the backup power source actuating arm (10) for pushing
State the separating brake elastic component (21) that backup power source actuating arm (10) powers off the Backup Power Switch (4), the combined floodgate locating part
(20) it is provided between the backup power source actuating arm (10) described standby for pushing the backup power source actuating arm (10) to make
The combined floodgate elastic component (22) being powered with power switch (4).
10. a kind of power supply, which is characterized in that including dual power supply interpreter as claimed in any one of claims 1-9 wherein
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718897.4A CN110379656B (en) | 2019-08-05 | 2019-08-05 | Dual-power switching mechanism and power distribution system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718897.4A CN110379656B (en) | 2019-08-05 | 2019-08-05 | Dual-power switching mechanism and power distribution system with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110379656A true CN110379656A (en) | 2019-10-25 |
| CN110379656B CN110379656B (en) | 2024-04-26 |
Family
ID=68258119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910718897.4A Active CN110379656B (en) | 2019-08-05 | 2019-08-05 | Dual-power switching mechanism and power distribution system with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110379656B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668036A (en) * | 2020-07-07 | 2020-09-15 | 陕西铭拓机电技术有限公司 | A dual power conversion mechanism and a transfer switch |
| CN114400165A (en) * | 2021-12-31 | 2022-04-26 | 深圳市瑞智电力股份有限公司 | Dual-power transfer switch and operating system thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383238A (en) * | 2008-04-29 | 2009-03-11 | 黄勤飞 | Intelligent duplicate power supply switching device |
| CN103077837A (en) * | 2013-01-08 | 2013-05-01 | 北京电研华源电力技术有限公司 | Automatic change-over switch and method of automatically changing over power supply |
| CN203690135U (en) * | 2013-11-15 | 2014-07-02 | 沈阳工业大学 | Three-fracture double-acting high-speed permanent magnet repulsion switch |
| CN204045425U (en) * | 2014-09-16 | 2014-12-24 | 浙江欧迪森电气有限公司 | A kind of magnetic force mechanism for automatically switching of twin-power switch |
| WO2017215536A1 (en) * | 2016-06-12 | 2017-12-21 | 天津加美特电气设备有限公司 | Dual power supply changeover switch with mechanical tripping interlock function |
| CN108010768A (en) * | 2018-01-12 | 2018-05-08 | 常熟开关制造有限公司(原常熟开关厂） | A kind of operating mechanism of change-over switch |
| CN207637647U (en) * | 2017-08-29 | 2018-07-20 | 施耐德电器工业公司 | Overlapping neutral mechanism for dual-power transfer switch |
| CN207925333U (en) * | 2017-11-30 | 2018-09-28 | 施耐德电器工业公司 | Double power supply automatic transfer switch and its electromagnetic drive mechanism |
| CN108666158A (en) * | 2017-03-31 | 2018-10-16 | 施耐德电器工业公司 | Double power supply automatic transfer switch |
| CN208127112U (en) * | 2018-05-17 | 2018-11-20 | 王静洋 | A kind of dual power supply automatic switching device |
| CN109494090A (en) * | 2017-09-13 | 2019-03-19 | 施耐德电器工业公司 | Transfer switch unit and multi-pole switching device including the transfer switch unit |
| CN210722810U (en) * | 2019-08-05 | 2020-06-09 | 陕西铭拓机电技术有限公司 | Dual-power switching mechanism and power supply with same |
-
2019
- 2019-08-05 CN CN201910718897.4A patent/CN110379656B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101383238A (en) * | 2008-04-29 | 2009-03-11 | 黄勤飞 | Intelligent duplicate power supply switching device |
| CN103077837A (en) * | 2013-01-08 | 2013-05-01 | 北京电研华源电力技术有限公司 | Automatic change-over switch and method of automatically changing over power supply |
| CN203690135U (en) * | 2013-11-15 | 2014-07-02 | 沈阳工业大学 | Three-fracture double-acting high-speed permanent magnet repulsion switch |
| CN204045425U (en) * | 2014-09-16 | 2014-12-24 | 浙江欧迪森电气有限公司 | A kind of magnetic force mechanism for automatically switching of twin-power switch |
| WO2017215536A1 (en) * | 2016-06-12 | 2017-12-21 | 天津加美特电气设备有限公司 | Dual power supply changeover switch with mechanical tripping interlock function |
| CN108666158A (en) * | 2017-03-31 | 2018-10-16 | 施耐德电器工业公司 | Double power supply automatic transfer switch |
| CN207637647U (en) * | 2017-08-29 | 2018-07-20 | 施耐德电器工业公司 | Overlapping neutral mechanism for dual-power transfer switch |
| CN109494090A (en) * | 2017-09-13 | 2019-03-19 | 施耐德电器工业公司 | Transfer switch unit and multi-pole switching device including the transfer switch unit |
| CN207925333U (en) * | 2017-11-30 | 2018-09-28 | 施耐德电器工业公司 | Double power supply automatic transfer switch and its electromagnetic drive mechanism |
| CN108010768A (en) * | 2018-01-12 | 2018-05-08 | 常熟开关制造有限公司(原常熟开关厂） | A kind of operating mechanism of change-over switch |
| CN208127112U (en) * | 2018-05-17 | 2018-11-20 | 王静洋 | A kind of dual power supply automatic switching device |
| CN210722810U (en) * | 2019-08-05 | 2020-06-09 | 陕西铭拓机电技术有限公司 | Dual-power switching mechanism and power supply with same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111668036A (en) * | 2020-07-07 | 2020-09-15 | 陕西铭拓机电技术有限公司 | A dual power conversion mechanism and a transfer switch |
| CN114400165A (en) * | 2021-12-31 | 2022-04-26 | 深圳市瑞智电力股份有限公司 | Dual-power transfer switch and operating system thereof |
| CN114400165B (en) * | 2021-12-31 | 2023-12-12 | 深圳市瑞智电力股份有限公司 | Dual-power transfer switch and operating system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110379656B (en) | 2024-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108010768B (en) | Operating mechanism of change-over switch | |
| CN104541353A (en) | Dropout recloser | |
| CN101320636A (en) | Spring driven ram for closing an electrical switching apparatus | |
| JP6744339B2 (en) | High voltage DC relay | |
| CN105164781A (en) | Magnetic actuating device for a current switching device | |
| CN110379656A (en) | Dual power supply switching mechanism and power supply with the dual power supply switching mechanism | |
| CN102473537A (en) | Multi-phase medium voltage contactor | |
| CN105470017A (en) | Transfer mechanism of dual-power supply high-speed automatic transfer switching equipment | |
| CN210722810U (en) | Dual-power switching mechanism and power supply with same | |
| WO2022007386A1 (en) | Two-power-supply conversion mechanism, and conversion switch | |
| CN110473723A (en) | Dual power supply switching mechanism and switchgear with the dual power supply switching mechanism | |
| CN204257436U (en) | A kind of middle pressure automatic change-over electric appliance with duplicate of permanent magnet mechanism operation | |
| CN104769696A (en) | Spring operation device for switch | |
| CN211788787U (en) | Manual locking device of three-station operating mechanism | |
| CN106531492B (en) | Eccentric wheel sliding block driven type self-sustaining electric-controlled switch | |
| CN210200590U (en) | Dual-power switching mechanism and switch equipment with same | |
| CN212209258U (en) | Dual-power switching mechanism and transfer switch | |
| CN104465162B (en) | Electric load disconnection earthing knife-switch interlocking device | |
| CN210123696U (en) | Three-station electric mechanism stopping device | |
| CN103956283B (en) | A kind of interlock for contactor | |
| CN209912999U (en) | Linkage push rod assembly for coaxial radio frequency switch | |
| CN206388614U (en) | Eccentric wheel sliding block driven type self-sustaining electric-controlled switch | |
| CN204537881U (en) | A kind of flexible planar linkage of contactor | |
| CN217562428U (en) | Dual-power automatic transfer switch | |
| CN222762869U (en) | Contact mechanism and load switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |