CN106971874B - A kind of change-over switch - Google Patents
A kind of change-over switch Download PDFInfo
- Publication number
- CN106971874B CN106971874B CN201710279158.0A CN201710279158A CN106971874B CN 106971874 B CN106971874 B CN 106971874B CN 201710279158 A CN201710279158 A CN 201710279158A CN 106971874 B CN106971874 B CN 106971874B
- Authority
- CN
- China
- Prior art keywords
- common
- spare
- change
- over switch
- driven gear
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
-
- 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
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
Landscapes
- Transmission Devices (AREA)
Abstract
The present invention relates to switching equipment technologies, disclose a kind of change-over switch, including：Controller, driving device, transmission mechanism, switch movable contact head system, common static contact system, spare static contact system；Wherein, controller is electrically connected with driving device；Transmission mechanism includes：Driving shaft commonly uses common driving gear and spare driving gear and common rack assembly and spare rack assembly that driven gear, spare driven gear, string are located on driving shaft；Driving device drives spindle rotation.The transmission mechanism that embodiment of the present invention provides has many advantages, such as that transmission efficiency, simple in structure, reliable transmission, overall dimensions are small.
Description
Technical field
The present invention relates to switching equipment technology, more particularly to a kind of change-over switch.
Background technology
It needs to use in the low-pressure electronic equipment products such as double power supply automatic transfer switch, on-load switch, disconnecting switch, contactor
Break-make or conversion are realized in transmission mechanism action.Such as:Double power supply automatic transfer switch is for realizing common power supply and standby electricity
Power supply conversion between source, ensures the equipment of key user's Electrical Safety.Automatic change-over is by transmission mechanism, arc quenching system etc.
Component forms.When common power failure, automatic change-over can detect power failure and be automatically shifted to spare automatically
Power supply.The function of changing change-over switch moving contact position is realized in existing automatic change-over using transmission mechanism.Driver
The structure generally use link mechanism of structure, and link mechanism generally provides power by electromagnet, passes through link mechanism driving power
Moving contact action in break-make arc chamber, realizes dynamic/static contact open and close.Due to passing through multiple connecting rods in link mechanism
Reciprocating motion is converted into rotating, and transmission efficiency is low, and link mechanism needs more connecting rod action ability execution conversions, knot
Structure is relative complex, and more connecting rods of link mechanism are end to end, and size is also larger.
Invention content
The purpose of embodiment of the present invention is, connecting rod is used for the transmission device of automatic change-over in the prior art
Low, complicated, mechanism size the is larger defect of transmission efficiency that mechanism is brought, provide a kind of transmission efficiency, it is simple in structure,
The small change-over switch of reliable transmission, overall dimensions.
In order to solve the above technical problems, embodiments of the present invention provide a kind of change-over switch, including：Controller drives
Dynamic device, transmission mechanism, switch movable contact head system, common static contact system, spare static contact system；Wherein, the controller
Start and stop for controlling the driving device；
The transmission mechanism includes：Driving shaft, common driven gear, spare driven gear, string are located on the driving shaft
Common driving gear and spare driving gear and common rack assembly and spare rack assembly；
The driving device drives the spindle rotation；
When the driving shaft is rotated by product open position to common power position, the common driving gear is logical
It crosses the common rack assembly to link with the common driven gear, the common driven gear of institute joins with the switch movable contact head system
It is dynamic, the switch movable contact head system close to the common static contact system until the switch movable contact head system with it is described commonly use it is quiet
Contact system is mutually connected, and the change-over switch is connected with common power supply；
When the driving shaft is rotated by the common power position to the product open position, the common master
Moving gear is linked by the common rack assembly and the common driven gear, and the common driven gear and the switch are dynamic
Contact system links, and the switch movable contact head system mutually disconnects with the common static contact system, the change-over switch with it is normal
It is disconnected with power supply；
When the driving shaft is rotated by the product open position to stand-by power supply on-position, the spare driving tooth
Wheel is linked by the spare rack assembly and the spare driven gear, the spare driven gear and the switch movable contact
System interlink, the switch movable contact head system close to the spare static contact system until the switch movable contact head system with it is described
Spare static contact system is mutually connected, and the change-over switch is connected with stand-by power supply；
When the driving shaft is rotated by the stand-by power supply on-position to the product open position, the spare master
Moving gear is linked by the spare rack assembly and the spare driven gear, and the spare driven gear and the switch are dynamic
Contact system links, and the switch movable contact head system mutually disconnects with the spare static contact system, the change-over switch with it is standby
It is disconnected with power supply；
When the driving shaft is rotated by product open position to common power position, and in driving shaft by commonly using
When power position is rotated to product open position, spare driving gear will not link spare rack assembly；
When the driving shaft is rotated by the product open position to stand-by power supply on-position, and in the active
When axis is rotated by the stand-by power supply on-position to the product open position, common driving gear will not link to common tooth
Bar assembly.
Embodiment of the present invention is located at common driving gear on the driving shaft in terms of existing technologies, using string
With spare driving gear, common driven gear, spare driven gear and common rack assembly and spare rack assembly, realize
The rotation that switch movable contact head system is driven by the rotation of driving shaft, to which switch movable contact can be realized by the control of motor
Head system is close to common static contact system until switch movable contact head system and the electric connection of common static contact system, and switch are dynamic
Contact system is close to spare static contact system until switch movable contact head system is electrically connected with spare static contact system.The present invention's
Transmission mechanism has many advantages, such as that transmission efficiency, simple in structure, reliable transmission, overall dimensions are small.
Preferably, in the change-over switch, the change-over switch further includes the first support platform and the second support platform；
The transmission mechanism further includes the first tension spring and the second tension spring；
One end of first tension spring is connect with the common rack assembly, and the other end connects with first support platform
It connects；
One end of second tension spring is connect with the spare rack assembly, and the other end connects with second support platform
It connects；
When the driving shaft is rotated by the product open position to common power position, the common rack group
Part is moved to the common driven gear, and first tension spring applies reset force to the common rack assembly；
When the driving shaft is rotated by the product open position to stand-by power supply on-position, the spare rack group
Part is moved to the spare driven gear, and second tension spring applies reset force to the spare rack assembly, to prevent from commonly using
It is detached from product open position due to the vibrations during operation or Product transport of rack assembly and spare rack assembly.
Preferably, in the change-over switch, the common rack assembly is equipped with the first guide groove, the spare rack assembly
Equipped with the second guide groove；
The change-over switch further includes the first guide post, and first guide post is threaded through in first guide groove, is used
In the glide direction for guiding the common rack assembly；
The change-over switch further includes the second guide post, and second guide post is threaded through in second guide groove, is used
In the glide direction for guiding the spare rack assembly, to determine the sliding trace of common rack assembly and spare rack assembly.
Preferably, in the change-over switch, the change-over switch further includes indication panel and matches with the indication panel
Close the pointer of setting；
The driving shaft drives the pointer to be rotated on the indication panel.
Preferably, which further includes the first position-limit mechanism, for limiting the driving shaft positioned at the product
The rotation of driven gear is often used when open position and the common power position；
The position-limit mechanism includes the first positioning disk, the first energy-stored spring telescopic rod, the second energy-stored spring telescopic rod；
First positioning disk and the common driven gear are coaxially connected, and first positioning disk is equipped with the first circular arc
The arc core of sliding slot and the second arc chute, first arc chute and second arc chute and first positioning disk and
The axle center of the common driven gear is overlapped；
One end of the first energy-stored spring telescopic rod is equipped with the first locating slide rod, and the other end is fixed on the change-over switch
One position, first locating slide rod are threaded through in first arc chute；
One end of the second energy-stored spring telescopic rod is equipped with the second locating slide rod, and the other end is fixed on the change-over switch
Another location, second locating slide rod are threaded through in second arc chute；
And when the driving shaft is located at the product open position and the common power position, described first
Energy-stored spring telescopic rod and the second energy-stored spring telescopic rod are in release conditions.
Preferably, which further includes the second position-limit mechanism, for limiting the driving shaft positioned at the product
The rotation of spare driven gear when open position and the stand-by power supply on-position；
The position-limit mechanism includes the second positioning disk, third energy-stored spring telescopic rod, the 4th energy-stored spring telescopic rod；
Second positioning disk and the spare driven gear are coaxially connected, and second positioning disk is equipped with third circular arc
The arc core of sliding slot and the 4th arc chute, the third arc chute and the 4th arc chute and second positioning disk and
The axle center of the spare driven gear is overlapped；
One end of the third energy-stored spring telescopic rod is equipped with third locating slide rod, and the other end is fixed on the change-over switch
One position, the third locating slide rod are threaded through in the third arc chute；
One end of the 4th energy-stored spring telescopic rod is equipped with the 4th locating slide rod, and the other end is fixed on the change-over switch
Another location, the 4th locating slide rod are threaded through in the 4th arc chute；
And when the driving shaft is located at the product open position and the stand-by power supply on-position, the third
Energy-stored spring telescopic rod and the 4th energy-stored spring telescopic rod are in release conditions.
Preferably, in the change-over switch, the common driving gear and the spare driving gear are sector gear.
Preferably, in the change-over switch, the common driving gear and the spare driving gear also pass through at least one
A screw or rivet are connected with each other, to be rotated while being further ensured that common driving gear and spare driving gear.
Preferably, in the change-over switch, the common driven gear and the spare driven gear also pass through at least one
A screw or rivet are connected with each other, to be rotated while being further ensured that common driven gear and spare driven gear.
Preferably, in the change-over switch, the change-over switch further includes instruction component, the instruction component and the control
Device processed is electrically connected, the operating status for showing the change-over switch, so that user uses.
Description of the drawings
Fig. 1 is the appearance diagram of the change-over switch in first embodiment of the invention；
Fig. 2 is the internal structure schematic diagram of the change-over switch in first embodiment of the invention；
Fig. 3 is the vertical view of the internal structure of the change-over switch in first embodiment of the invention；
Fig. 4 is the structural schematic diagram of the transmission mechanism of the change-over switch in first embodiment of the invention；
Fig. 5 is the vertical view of the transmission mechanism of the change-over switch in first embodiment of the invention；
Fig. 6 is the structural schematic diagram of the first positioning disk of the change-over switch in first embodiment of the invention；
Fig. 7 is the appearance diagram of the change-over switch in second embodiment of the invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the present invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, the application technical solution claimed can also be realized.
The first embodiment of the present invention is related to a kind of change-over switches, as shown in figures 1 to 6, including：Controller 1, driving dress
Set 2, transmission mechanism 3, switch movable contact head system 4, common static contact system 5, spare static contact system 6.Specifically, this implementation
Driving device 2 in mode is a motor, and controller 1 receives extraneous power supply, and controller 1 is electrically connected with driving device 2, is used for
Control the driving device 2 start and stop, that is to say, that after controller 1 sends out electric signal, electric motor starting.
For convenience of description, so attached drawing hides the partial shell of change-over switch, the transmission mechanism 3 in present embodiment
Including：Driving shaft 31, common driven gear 34, spare driven gear 35, string are located at the common driving gear 32 on driving shaft 31
With spare driving gear 33 and common rack assembly 36 and spare rack assembly 37.Specifically, commonly use driving gear 32 with
Spare driving gear 33 is arranged in parallel, and common driving gear 32 is located at the top of spare driving gear 33, likewise, common
Driven gear 34 is arranged in parallel with spare driven gear 35, and common driven gear 34 is located at the upper of spare driven gear 35
Side, common rack assembly 36 is for common driving gear 32 and the common driven gear 34 of linking, and spare rack assembly 37 is for joining
Spare driving gear 33 and spare driven gear 35 are moved, therefore, common rack assembly 36 is located at the top of spare rack assembly 37.
Driving device 2 and driving shaft 31 are linked, make driving device 2 that driving shaft 31 be driven to rotate, it, can be with when practical set
Using shaft coupling, motor and driving shaft 31 are connected, make motor drive driving shaft 31 rotate, also, driving shaft 31 by
When product open position is rotated to common power position, commonly use driving gear 32 by common rack assembly 36 with it is common from
Moving gear 34 links, and the common driven gear 34 of institute links with switch movable contact head system 4, and switch movable contact head system 4 is close to common quiet
Contact system 5 until switch movable contact head system 4 is mutually connected with common static contact system 5, with common power supply connect by change-over switch；
When driving shaft 31 is rotated by common power position to product open position, driving gear 32 is commonly used by normal
It is linked with rack assembly 36 and common driven gear 34, commonly uses driven gear 34 and link with switch movable contact head system 4, switch movable contact
For head system 4 far from common static contact system 5 until resetting, i.e. switch movable contact head system 4 and common static contact system 5 is mutually disconnected
It opens, change-over switch is disconnected with common power supply；
When driving shaft 31 is rotated by product open position to stand-by power supply on-position, spare driving gear 33 is by standby
It is linked with rack assembly 37 and spare driven gear 35, spare driven gear 35 links with switch movable contact head system 4, switch movable contact
Head system 4 close to spare static contact system 6 until switch movable contact head system 4 is mutually connected with spare static contact system 6, open by conversion
It closes and is connected with stand-by power supply；
When driving shaft 31 is rotated by stand-by power supply on-position to product open position, spare driving gear 33 is by standby
It is linked with rack assembly 37 and spare driven gear 35, spare driven gear 35 links with switch movable contact head system 4, switch movable contact
Far from spare static contact system 6 until resetting, switch movable contact head system 4 mutually disconnects head system 4 with spare static contact system 6,
Change-over switch is disconnected with stand-by power supply.
Through the above it is not difficult to find that the change-over switch that present embodiment is provided is located on driving shaft 31 using string
Common driving gear 32 and spare driving gear 33, common driven gear 34, spare driven gear 35 and common rack group
Part 36 and spare rack assembly 37 realize the rotation that switch movable contact head system 4 is driven by the rotation of driving shaft 31, to logical
The control for crossing motor switch movable contact head system 4 can be realized close to common static contact system 5 until switch movable contact head system 4 with often
With the electric connection of static contact system 5 and switch movable contact head system 4 close to spare static contact system 6 until switch movable contact system
System 4 is electrically connected with spare static contact system 6.The transmission mechanism 3 of the present invention has transmission efficiency, simple in structure, transmission can
It leans on, the advantages that overall dimensions are small.
It is worth noting that in the change-over switch of present embodiment, change-over switch further include the first support platform 381 and
Second support platform 382, the first support platform are set in parallel with the second support platform, and the first support platform is located at second
The top of support platform.Meanwhile the transmission mechanism 3 further includes the first tension spring 38 and the second tension spring 39, one end of the first tension spring 38
It is connect with common rack assembly 36, the other end is connect with the first support platform, one end and the spare rack assembly of the second tension spring 39
37 connections, the other end are connect with the second support platform, are rotated to common power supply by product open position in driving shaft 31 and are connected position
When setting, commonly uses rack assembly 36 and moved to common driven gear 34, the first tension spring 38 applies reset force to common rack assembly 36；
When driving shaft 31 is rotated by product open position to stand-by power supply on-position, spare rack assembly 37 is to spare driven gear
35 movements, the second tension spring 39 apply reset force to spare rack assembly 37, to prevent common rack assembly 36 and spare rack group
It is detached from product open position due to vibrations of the part 37 during operation or Product transport.
In the change-over switch of present embodiment, commonly uses rack assembly 36 and be equipped with the first guide groove 361, spare rack assembly
37 are equipped with the second guide groove 371, and the first guide groove 361 can be identical with shape with the second guide groove 371, can also shape it is different,
Change-over switch further includes the first guide post 362, and the first guide post 362 is threaded through in the first guide groove 361, for guiding common tooth
The glide direction of bar assembly 36；Change-over switch further includes the second guide post 372, and the second guide post 372 is threaded through the second guide groove
In 371, the glide direction for guiding spare rack assembly 37, to determine common rack assembly 36 and spare rack assembly 37
Sliding trace.In present embodiment, the quantity of the first guide post 362 is two, this two first guide posts 362 are closely arranged,
After this two first guide posts 362 are threaded through in the first guide groove 361, a straight line, the common rack are determined due to 2 points
The line of travel of component 36 is the line direction of this two first guide posts 362, is not in rotation phenomenon.Second guide post
372 quantity is also two, and principle and effect can refer to the first guide post 362, therefore it will not go into details.
In addition, the change-over switch in present embodiment further includes the first position-limit mechanism 7, for limit driving shaft 31 positioned at
The rotation of driven gear 34 is often used when product open position and common power position；Position-limit mechanism includes the first positioning disk
71, the first energy-stored spring telescopic rod 72, the second energy-stored spring telescopic rod 73；First positioning disk 71 and common driven gear 34 are coaxial
Connection, the first positioning disk 71 are equipped with the first arc chute 711 and the second arc chute 712, the first arc chute 711 and second
The arc core of arc chute 712 is Chong Die with the first positioning disk 71 and the axle center of common driven gear 34；First energy-stored spring telescopic rod
72 one end is equipped with the first locating slide rod 721, and the other end is fixed on one position of change-over switch, and the first locating slide rod 721 is threaded through
In first arc chute 711；One end of second energy-stored spring telescopic rod 73 is equipped with the second locating slide rod 731, and the other end is fixed on
Change-over switch another location, the second locating slide rod 731 are threaded through in the second arc chute 712；And driving shaft 31 is located at product
When open position and common power position, the first energy-stored spring telescopic rod 72 and the second energy-stored spring telescopic rod 73 are located
In release conditions.In simple terms, by the first energy-stored spring telescopic rod 72 and the second energy-stored spring telescopic rod 73 in non-stress shape
It is release conditions under state, when it is by external pressure, the elastic force of energy-stored spring can be overcome to realize the contraction of pole length, common
36 linked switch movable contact system 4 of rack assembly is close to common static contact system 5 until switch movable contact head system 4 and common stationary contact
When head system 5 is electrically connected, the first energy-stored spring telescopic rod 72 and the second energy-stored spring telescopic rod 73 are respectively positioned on release conditions,
37 linked switch movable contact system 4 of spare rack assembly close to spare static contact system 6 until switch movable contact head system 4 with it is spare
When static contact system 6 is electrically connected, the first energy-stored spring telescopic rod 72 and the second energy-stored spring telescopic rod 73 are respectively positioned on release shape
State prevents switch movable contact head system 4 to be detached from and commonly uses static contact system 5 or spare static contact system 6.
Likewise, the change-over switch further includes the second position-limit mechanism 8, position is disconnected positioned at product for limiting driving shaft 31
It sets and the rotation of when stand-by power supply on-position spare driven gear 35；Essentially identical with the first position-limit mechanism 7, structure can
Entirely by reference to the first position-limit mechanism, similarly, which includes the second positioning disk, third energy-stored spring telescopic rod, the
Four energy-stored spring telescopic rods；Second positioning disk and spare driven gear 35 are coaxially connected, and the second positioning disk is equipped with third circular arc
Sliding slot and the 4th arc chute, the arc core and the second positioning disk and spare driven gear of third arc chute and the 4th arc chute
35 axle center overlapping；One end of third energy-stored spring telescopic rod is equipped with third locating slide rod, and the other end is fixed on change-over switch one
Position, third locating slide rod are threaded through in third arc chute；One end of 4th energy-stored spring telescopic rod is equipped with the 4th positioning and slides
Bar, the other end are fixed on change-over switch another location, and the 4th locating slide rod is threaded through in the 4th arc chute；And driving shaft 31
When positioned at product open position and stand-by power supply on-position, third energy-stored spring telescopic rod and the 4th energy-stored spring telescopic rod
It is in release conditions.
In order to increase the transmission sensitivity of transmission mechanism 3, in the change-over switch of present embodiment, 32 He of driving gear is commonly used
Spare driving gear 33 is sector gear.Therefore, it is rotated to common power supply and is connect by product open position in the driving shaft 31
When logical position, and when driving shaft 31 is rotated by common power position to product open position, spare driving gear 33
Will not link spare rack assembly 37；Likewise, being rotated to stand-by power supply by the product open position in the driving shaft 31
When on-position, and when the driving shaft 31 is rotated by the stand-by power supply on-position to the product open position,
Common driving gear 32 will not link to common rack assembly 36.
Also it is worth noting that, in the change-over switch of present embodiment, commonly use driving gear 32 and spare driving gear
33 are also connected with each other by least one screw, while to be further ensured that common driving gear 32 and spare driving gear 33
Rotation.It is to realize the connection for commonly using driving gear 32 and spare driving gear 33 by three screws in present embodiment.It should
Three screws are in equilateral triangle arrangement, and driving shaft 31 is located at the center of the equilateral triangle, so that each screw is rotated at it
When the power born it is identical, reduce each screw by dynamics.Approximately, in the change-over switch, 34 He of driven gear is commonly used
Spare driven gear 35 is also connected with each other by least one screw, to be further ensured that common driven gear 34 and spare driven
It is rotated while gear 35.In present embodiment, common 34 and second driven tooth of driven gear is also to be realized by three screws
The connection of the two, it will not be described here.In addition, screw also can be replaced rivet.
Second embodiment of the present invention is related to a kind of change-over switch.Second embodiment is changed to first embodiment
Into mainly theing improvement is that：As shown in fig. 7, in second embodiment of the invention, change-over switch further include indication panel with
And the pointer 311 being equipped with indication panel；Driving shaft 31 drives pointer 311 to be rotated on indication panel.Indication panel can
It is corresponding with the rotation position of driving shaft 31 to identify common power supply and stand-by power supply, so that operating personnel is will be seen that the conversion
The use state of switch.
Also it is worth noting that, which there is hexagon ring, operating personnel can utilize the hexagon ring rotating pointer,
So as to actuator linkage, selects to commonly use power supply and stand-by power supply, realize the two ways automatically and manually adjusted.
It is worth noting that in the change-over switch of present embodiment, change-over switch further includes instruction component, indicates component
It is electrically connected with controller 1, the operating status for showing change-over switch, so that user uses.If instruction component may include
A dry indicator light, and identify the lamp in indicator light corresponding position and indicate meaning, such as when one of lamp is lighted, indicate the conversion
Switch is connecting stand-by power supply.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of change-over switch, which is characterized in that including：Controller, driving device, transmission mechanism, switch movable contact head system, often
With static contact system, spare static contact system；Wherein, the controller is used to control the start and stop of the driving device；
The transmission mechanism includes：Driving shaft, common driven gear, spare driven gear, string are located at normal on the driving shaft
With driving gear and spare driving gear and common rack assembly and spare rack assembly；
The driving device drives the spindle rotation；
When the driving shaft is rotated by product open position to common power position, the common driving gear passes through institute
It states common rack assembly to link with the common driven gear, the common driven gear joins with the switch movable contact head system
Dynamic, the switch movable contact head system is mutually connected with the common static contact system, and the change-over switch is connected with common power supply；
When the driving shaft is rotated by the common power position to the product open position, the common driving tooth
Wheel is linked by the common rack assembly and the common driven gear, the common driven gear and the switch movable contact
System interlink, the switch movable contact head system are mutually disconnected with the common static contact system, the change-over switch and common electricity
Source disconnects；
When the driving shaft is rotated by the product open position to stand-by power supply on-position, the spare driving gear is logical
It crosses the spare rack assembly to link with the spare driven gear, the spare driven gear and the switch movable contact head system
Linkage, the switch movable contact head system are mutually connected with the spare static contact system, and the change-over switch connects with stand-by power supply
It is logical；
When the driving shaft is rotated by the stand-by power supply on-position to the product open position, the spare driving tooth
Wheel is linked by the spare rack assembly and the spare driven gear, the spare driven gear and the switch movable contact
System interlink, the switch movable contact head system are mutually disconnected with the spare static contact system, the change-over switch and standby electricity
Source disconnects；
When the driving shaft is rotated by product open position to common power position, and in driving shaft by commonly using power supply
When on-position is rotated to product open position, spare driving gear will not link spare rack assembly；
When the driving shaft is rotated by the product open position to stand-by power supply on-position, and the driving shaft by
When the stand-by power supply on-position is rotated to the product open position, common driving gear will not link to common rack group
Part.
2. change-over switch according to claim 1, which is characterized in that the change-over switch further include the first support platform and
Second support platform；
The transmission mechanism further includes the first tension spring and the second tension spring；
One end of first tension spring is connect with the common rack assembly, and the other end is connect with first support platform；
One end of second tension spring is connect with the spare rack assembly, and the other end is connect with second support platform；
When the driving shaft is rotated by the product open position to common power position, the common rack assembly to
The common driven gear movement, first tension spring apply reset force to the common rack assembly；
When the driving shaft is rotated by the product open position to stand-by power supply on-position, the spare rack assembly to
The spare driven gear movement, second tension spring apply reset force to the spare rack assembly.
3. change-over switch according to claim 1, which is characterized in that the common rack assembly is equipped with the first guide groove,
The spare rack assembly is equipped with the second guide groove；
The change-over switch further includes the first guide post, and first guide post is threaded through in first guide groove, for drawing
Lead the glide direction of the common rack assembly；
The change-over switch further includes the second guide post, and second guide post is threaded through in second guide groove, for drawing
Lead the glide direction of the spare rack assembly.
4. change-over switch according to claim 1, which is characterized in that the change-over switch further include indication panel and with
The pointer that the indication panel is equipped with；
The driving shaft drives the pointer to be rotated on the indication panel.
5. change-over switch according to claim 1, which is characterized in that the change-over switch further includes the first position-limit mechanism,
For limiting the driving shaft driven tooth is often used when positioned at the product open position and the common power position
The rotation of wheel；
The position-limit mechanism includes the first positioning disk, the first energy-stored spring telescopic rod, the second energy-stored spring telescopic rod；
First positioning disk and the common driven gear are coaxially connected, and first positioning disk is equipped with the first arc chute
And second arc chute, the arc core of first arc chute and second arc chute and first positioning disk and described
The axle center overlapping of common driven gear；
One end of the first energy-stored spring telescopic rod is equipped with the first locating slide rod, and the other end is fixed on the change-over switch one
It sets, first locating slide rod is threaded through in first arc chute；
One end of the second energy-stored spring telescopic rod is equipped with the second locating slide rod, and it is another that the other end is fixed on the change-over switch
Position, second locating slide rod are threaded through in second arc chute；
And when the driving shaft is located at the product open position and the common power position, first energy storage
Telescopic spring bar and the second energy-stored spring telescopic rod are in release conditions.
6. change-over switch according to claim 1, which is characterized in that the change-over switch further includes the second position-limit mechanism,
For limiting the driving shaft spare driven tooth when positioned at the product open position and the stand-by power supply on-position
The rotation of wheel；
The position-limit mechanism includes the second positioning disk, third energy-stored spring telescopic rod, the 4th energy-stored spring telescopic rod；
Second positioning disk and the spare driven gear are coaxially connected, and second positioning disk is equipped with third arc chute
And the 4th arc chute, the arc core of the third arc chute and the 4th arc chute and second positioning disk and described
The axle center of spare driven gear is overlapped；
One end of the third energy-stored spring telescopic rod is equipped with third locating slide rod, and the other end is fixed on the change-over switch one
It sets, the third locating slide rod is threaded through in the third arc chute；
One end of the 4th energy-stored spring telescopic rod is equipped with the 4th locating slide rod, and it is another that the other end is fixed on the change-over switch
Position, the 4th locating slide rod are threaded through in the 4th arc chute；
And when the driving shaft is located at the product open position and the stand-by power supply on-position, the third energy storage
Telescopic spring bar and the 4th energy-stored spring telescopic rod are in release conditions.
7. change-over switch according to claim 1, which is characterized in that the common driving gear and the spare driving tooth
Wheel is sector gear.
8. change-over switch according to claim 7, which is characterized in that the common driving gear and the spare driving tooth
Wheel is also connected with each other by least one screw or rivet.
9. change-over switch according to claim 7, which is characterized in that the common driven gear and the spare driven tooth
Wheel is also connected with each other by least one screw or rivet.
10. change-over switch as claimed in any of claims 1 to 9, which is characterized in that the change-over switch further includes
Indicate that component, the instruction component are electrically connected with the controller, the operating status for showing the change-over switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279158.0A CN106971874B (en) | 2017-04-25 | 2017-04-25 | A kind of change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710279158.0A CN106971874B (en) | 2017-04-25 | 2017-04-25 | A kind of change-over switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106971874A CN106971874A (en) | 2017-07-21 |
| CN106971874B true CN106971874B (en) | 2018-11-13 |
Family
ID=59334040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710279158.0A Active CN106971874B (en) | 2017-04-25 | 2017-04-25 | A kind of change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106971874B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706023A (en) * | 2017-10-29 | 2018-02-16 | 刘正南 | A kind of change-over switch |
| CN110070998A (en) * | 2019-05-28 | 2019-07-30 | 乐清东海电器有限公司 | A kind of double-layer gear transmission device of automatic change-over |
| CN111243892B (en) * | 2020-01-14 | 2022-07-01 | 维沃移动通信有限公司 | Electronic device |
| CN112216540B (en) * | 2020-09-25 | 2023-05-09 | 国网江苏省电力有限公司南通市海门区供电分公司 | Manual connecting rod touch switch |
| CN113311269B (en) * | 2021-05-27 | 2023-03-28 | 中国能源建设集团华东电力试验研究院有限公司 | Load transfer detection system based on online power supply mode and detection method thereof |
| CN117524761B (en) * | 2024-01-05 | 2024-03-19 | 常州晶硕机电有限公司 | Furnace changing switch of intermediate frequency furnace |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200586A (en) * | 1991-07-31 | 1993-04-06 | Westinghouse Electric Corp. | Five gear isolating mechanism for bypass isolation switches |
| CN102426950A (en) * | 2011-12-15 | 2012-04-25 | 常熟开关制造有限公司(原常熟开关厂） | Contact position indicating device of automatic change-over switch |
| CN202534558U (en) * | 2012-04-24 | 2012-11-14 | 天津市津控低压电器开发有限公司 | Gear and rack transmission conversion mechanism |
| CN104319119A (en) * | 2014-11-18 | 2015-01-28 | 浙江现代电气有限公司 | Automatic change-over switch with manual and automatic switching mechanisms |
| CN204464082U (en) * | 2015-02-25 | 2015-07-08 | 杭州之江开关股份有限公司 | A kind of new type auto change over switch |
| CN205354910U (en) * | 2015-11-20 | 2016-06-29 | Asco电力技术公司 | Switching device |
| CN205845753U (en) * | 2016-07-25 | 2016-12-28 | 杭州梅兰日兰电器有限公司 | Double power supply automatic transfer switch |
-
2017
- 2017-04-25 CN CN201710279158.0A patent/CN106971874B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200586A (en) * | 1991-07-31 | 1993-04-06 | Westinghouse Electric Corp. | Five gear isolating mechanism for bypass isolation switches |
| CN102426950A (en) * | 2011-12-15 | 2012-04-25 | 常熟开关制造有限公司(原常熟开关厂） | Contact position indicating device of automatic change-over switch |
| CN202534558U (en) * | 2012-04-24 | 2012-11-14 | 天津市津控低压电器开发有限公司 | Gear and rack transmission conversion mechanism |
| CN104319119A (en) * | 2014-11-18 | 2015-01-28 | 浙江现代电气有限公司 | Automatic change-over switch with manual and automatic switching mechanisms |
| CN204464082U (en) * | 2015-02-25 | 2015-07-08 | 杭州之江开关股份有限公司 | A kind of new type auto change over switch |
| CN205354910U (en) * | 2015-11-20 | 2016-06-29 | Asco电力技术公司 | Switching device |
| CN205845753U (en) * | 2016-07-25 | 2016-12-28 | 杭州梅兰日兰电器有限公司 | Double power supply automatic transfer switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106971874A (en) | 2017-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106971874B (en) | A kind of change-over switch | |
| CN107706023A (en) | A kind of change-over switch | |
| CN104715942A (en) | Transmission mechanism of motor cam operating mechanism | |
| CN104392854B (en) | A kind of dual-power conversion switch device | |
| CN101866762B (en) | Rack-and-pinion type transmission mechanism of automatic changeover switch device | |
| CN202939281U (en) | Vacuum circuit breaker actuator running-in device | |
| CN100395854C (en) | Automatic change-over switch electric mechanism | |
| CN101763959B (en) | Transfer mechanism of transfer switch equipment (TSE) | |
| CN104205273A (en) | On-load tap changer having at least two vacuum interrupters, and drive for a load changeover switch having at least two vacuum interrupters | |
| CN2891248Y (en) | Contactless stop-position signal device | |
| CN106571253A (en) | Spring drive device for three-position switching operating mechanism | |
| CN203941831U (en) | A kind of double electromagnet drive unit of novel two section automatic transfer switching electric appliances | |
| CN208352154U (en) | A kind of PC grades of double power supply automatic transfer switch | |
| CN206937339U (en) | Novel robot base device | |
| CN104332334A (en) | Novel self-locking driving structure of single rotating shaft of double-fragment automatic change-over switching device | |
| CN203211105U (en) | Rack type mistakenly accelerator-stepping error correcting system using relay for controlling motor to rotate forwards and backwards | |
| CN103475088B (en) | A kind of double power supply converting switch | |
| CN204289124U (en) | The contact system of automatic change-over | |
| CN203013554U (en) | Divide-shut brake device and automatic change-over switching device | |
| CN108964258B (en) | Power supply selecting device of bypass automatic transfer switch | |
| CN204215911U (en) | A kind of dual-power conversion switch device | |
| CN103714985B (en) | The operating mechanism of double power supply automatic transfer switch | |
| CN201780890U (en) | Pinion-and-rack transmission mechanism for automatic transfer switching equipment | |
| CN107437471B (en) | Switching-on and switching-off control device of automatic transfer switching device | |
| CN201289812Y (en) | Operating mechanism of load switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |