CN104576112B - Switching device and indicating mechanism thereof, and indicating module - Google Patents
Switching device and indicating mechanism thereof, and indicating module Download PDFInfo
- Publication number
- CN104576112B CN104576112B CN201310473432.XA CN201310473432A CN104576112B CN 104576112 B CN104576112 B CN 104576112B CN 201310473432 A CN201310473432 A CN 201310473432A CN 104576112 B CN104576112 B CN 104576112B
- Authority
- CN
- China
- Prior art keywords
- instruction unit
- drive
- contact
- switching device
- clamping head
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/0015—Means for testing or for inspecting contacts, e.g. wear indicator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
Abstract
In an indicating mechanism of a switching device, a housing (10) is provided with a first indicating part (12) and/or a second indicating part (14). A transmission shaft (20) is provided with a drive part (22). A first indicating member (34) of an indicating assembly (30) is provided with an indicating end (342), a pivot joint part (344) and a drive end (346). The indicating end is provided with a first contact indicating part (341) and a first separating indicating part (340). If a movable contact is in contact with a fixed contact, the first indicating part and/or the second indicating part only can indicate the first contact indicating part. If the movable contact is separated from the fixed contact, the first indicating part and/or the second indicating part only can indicate the first separating indicating part. The indicating mechanism of the switching device can be used for accurately reflecting whether the movable contact is in contact with the fixed contact or not. The invention further provides the switching device and an indicating module.
Description
Technical field
The present invention relates to the instruction device that whether movable contact is contacted with fixed contact in switching device be used to indicating.This
The bright switching device additionally provided using above-mentioned indicating mechanism, and movable contact with fixed contact is in may indicate that switching device
The indicating module of no contact.
Background technology
Drive shaft, power transmission shaft, sliding part and flexible drive component are provided with switching device.Drive shaft is rotated by manpower,
Drive shaft can drive sliding part to slide.The motion of sliding part causes flexible drive component storage elasticity energy, when flexible drive component
After crossing the dead-centre position that its elasticity can be maximum, sliding part departs from the transmission with drive shaft and drives drive axis, to realize
Movable contact is contacted and is separated with fixed contact, so as to realize the control system of switching on or off electricity to supply line.Under normal circumstances, driving
Axle is provided with a make position, an open position and a test position during rotating.Make position is cut for instruction
The movable contact of changing device is contacted with fixed contact, and open position is used to indicate that movable contact is divided with fixed contact
From, test position be used to indicating switching device in functional test state.
In the use of switching device, if there is the failure of drive mechanism, it is possible to movable contact and fixation occurs
Contact has been contacted or has been separated, but drive shaft is in the situation between open position and make position so that operator cannot be led to
The indicating positions for crossing operating shaft judges whether movable contact is contacted with fixed contact, there is potential safety hazard.
The content of the invention
It is an object of the invention to provide a kind of indicating mechanism of switching device, to reflect that movable contact is touched with fixed exactly
Whether head contacts.
It is a further object to provide using the switching device of above-mentioned instruction structure.
It is also another object of the present invention to provide a kind of indicating module of switching device, with reflect exactly movable contact with
Whether fixed contact contacts.
The invention provides a kind of indicating mechanism of switching device, including a shell, a power transmission shaft and an instruction
Component.Shell is provided with first instruction unit and/or second instruction unit.Power transmission shaft is rotatablely arranged at shell, transmission
Axle can drive the movable contact of switching device to separate with fixed contact or contact, and the circumference of power transmission shaft is provided with a drive division.
Indicate that component includes a support member and first indication piece.Support member may be disposed at shell.First indication piece is rotationally
Support member is arranged at, it can be with drive division phase interaction with an indication end, an articulated section for being connected to support member and one
Drive end.Indication end is provided with one first contact instruction unit and one first separation instruction unit.If the rotational band of power transmission shaft
Dynamic movable contact motion, makes movable contact contact with fixed contact, and makes drive division act on drive end, and drives first to indicate
Part turns to the first instruction unit and/or the second instruction unit only may indicate that the position of the first contact instruction unit.If the rotation of power transmission shaft
Movable contact motion is driven, movable contact is separated with fixed contact, and make drive division act on drive end, and drive first to refer to
Show that part turns to the first instruction unit and/or the second instruction unit only may indicate that the position of the first separation instruction unit.
The indicating mechanism of switching device, the change of its instruction state are only related to power transmission shaft, and power transmission shaft and movable contact
It is joined directly together, even if drive shaft breaks down to the driving-chain of power transmission shaft, indicating mechanism can accurately still reflect movable contact
Whether contact with fixed contact.
In another schematic embodiment of the indicating mechanism of switching device, shell includes a housing and one
The end cap of housing can be fastened on, the first instruction unit and the second instruction unit are arranged at end cap.The switching that is axially parallel to of power transmission shaft is filled
The axial direction of the drive shaft put, the second instruction unit may indicate that the first separation instruction unit or the first contact instruction unit.
In the schematic embodiment of another kind of the indicating mechanism of switching device, shell includes a housing and one
The end cap of housing can be fastened on, the first instruction unit and the second instruction unit are arranged at end cap.The switching that is axially perpendicular to of power transmission shaft is filled
The axial direction of the drive shaft put, the first instruction unit may indicate that the first separation instruction unit or the first contact instruction unit.
In another schematic embodiment of the indicating mechanism of switching device, the first instruction unit and the second instruction unit
For observation window.
In another schematic embodiment of the indicating mechanism of switching device, the first indication piece is provided with one first
Connection end, support member are provided with second connection end.Indicate that component also includes a drive-connecting shaft and a dynamic clamping head and quiet clamping head.Pivot joint
Axle is connected to articulated section and support member.Dynamic clamping head and quiet clamping head is sheathed on drive-connecting shaft, and its one end is connected to the first connection end, its other end
It is connected to the second connection end.
In another schematic embodiment of the indicating mechanism of switching device, drive division is one raised.
In another schematic embodiment of the indicating mechanism of switching device, dynamic clamping head and quiet clamping head is torsion spring.
In another schematic embodiment of the indicating mechanism of switching device, shell is provided with a setting shell ends
3rd instruction unit of wall.Indicate that component also includes drive-connecting shaft, second indication piece and a dynamic clamping head and quiet clamping head.Second refers to
Show that part is provided with one second contact instruction unit, the second separation instruction unit and a connecting hole.First indication piece can be connected to
Connecting hole, and the rotation of the first indication piece can drive the second indication piece to move along a direction indication so that the 3rd instruction unit can
Indicate that second separates instruction unit or the second contact instruction unit.Dynamic clamping head and quiet clamping head one end is resisted against the first indication piece, and its other end is supported
It is against shell.Drive-connecting shaft is connected to articulated section and support member.
In another schematic embodiment of the indicating mechanism of switching device, the 3rd instruction unit is observed for one
Window.
In another schematic embodiment of the indicating mechanism of switching device, drive division is one raised.
In another schematic embodiment of the indicating mechanism of switching device, indicate that component is also held including one
Cap, one end of dynamic clamping head and quiet clamping head are resisted against the first indication piece by end cap, and its other end is resisted against shell.
In another schematic embodiment of the indicating mechanism of switching device, dynamic clamping head and quiet clamping head is stage clip.
Present invention also offers a kind of switching device, including a plurality of movable contacts, a plurality of fixed contacts and above-mentioned finger
Show mechanism.Power transmission shaft can drive movable contact to contact or separate with fixed contact.
Present invention also offers a kind of indicating module of switching device, including a module case, a driving member and one
Indication piece.Module case is provided with first instruction unit and/or second instruction unit.Driving member is rotatably arranged in module case,
It can be connected to the power transmission shaft of switching device synchronous axial system, and the power transmission shaft of switching device can drive the movable contact of switching device
Separate with fixed contact or contact, driving member is provided with a drive division.Indication piece is rotatablely arranged at module case, and it has one
Individual indication end, an articulated section for being connected to module case and a drive end that can be contacted with drive division, indication end is provided with one
Contact instruction unit and a separation instruction unit.If the rotation of driving member makes movable contact contact with fixed contact, and makes drive division
Drive end is acted on, and drive indication piece turns to the first instruction unit and/or the second instruction unit only may indicate that contact instruction unit
Position.If the rotation of driving member makes movable contact separate with fixed contact, and makes drive division act on drive end, and drives instruction
Part turns to the first instruction unit and/or the second instruction unit only may indicate that the position for separating instruction unit.
In another schematic embodiment of the indicating mechanism of switching device, module case is provided with a drive-connecting shaft
Convex, first limiting section and second limiting section.Indicating module also includes a dynamic clamping head and quiet clamping head, and its one end is resisted against the
One limiting section, the other end are resisted against indication piece, and pivot joint crown of roll can be connected to articulated section, and dynamic clamping head and quiet clamping head is sheathed on drive-connecting shaft
It is convex.If movable contact is contacted with fixed contact, drive end is resisted against the first limiting section, and indication end is resisted against the second limiting section.If
Movable contact is separated with fixed contact, and drive end is resisted against the second limiting section, and indication end is resisted against the first limiting section.
In the another kind schematically in embodiment of the indicating mechanism of switching device, the first instruction unit and the second instruction unit
For observation window.
Description of the drawings
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is used for a kind of structural representation of exemplary embodiment of indicating mechanism for illustrating switching device.
Fig. 2 to Fig. 4 is used for the motor process of the indicating mechanism for illustrating the switching device shown in Fig. 1.
Fig. 5 is used for the structural representation of the indicating mechanism's another kind exemplary embodiment for illustrating switching device.
Fig. 6 to Fig. 8 is used for the motor process of the indicating mechanism for illustrating the switching device shown in Fig. 5.
Fig. 9 is used for a kind of structural representation of exemplary embodiment of indicating module for illustrating switching device.
Figure 10 to Figure 12 is used for the motor process of the indicating module of the switching device for illustrating Fig. 9.
Label declaration
10 shells
11 housings
13 end caps
12 first instruction units
14 second instruction units
16 the 3rd instruction units
20 power transmission shafts
22 drive divisions
30 indicate component
32 support members
322 second connection ends
33 second indication pieces
332 second contact instruction units
334 second separate instruction unit
336 connecting holes
34 first indication pieces
340 first separate instruction unit
341 first contact instruction units
342 indication ends
344 articulated sections
346 drive ends
348 first connection ends
36 dynamic clamping head and quiet clamping heads
38 drive-connecting shafts
39 end caps
40 module cases
41 pivot joint crown of rolls
42 instruction units
44 first limiting sections
46 second limiting sections
50 driving members
52 drive divisions
60 movable contacts
70 fixed contacts.
Specific embodiment
In order to the technical characteristic to inventing, purpose and effect are more clearly understood from, now control description of the drawings is of the invention
Specific embodiment, in the various figures identical label represent that structure is identical or structure is different but function identical part.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram of meaning property ", embodiment are construed to a kind of preferred or more advantageous technical scheme.
To make simplified form, in each figure, part related to the present invention is only schematically show, their not generations
Table its as product practical structures.In addition, so that simplified form is readily appreciated, there is in some figures identical structure or function
Part, only symbolically depict one of those, or only marked one of those.
Herein, " one " not only represents " only this ", it is also possible to represent the situation of " more than one ".Herein
In, " first ", " second " etc. are only used for mutual differentiation, rather than represent their significance level and order etc..
Fig. 1 is used for a kind of structural representation of exemplary embodiment of indicating mechanism for illustrating switching device.As illustrated,
The indicating mechanism of switching device includes 10, power transmission shaft 20 of a shell and an instruction component 30.
Wherein, shell 10 is used for the motion for encapsulating switching device, such as switching device drive shaft, power transmission shaft, slip
Part and flexible drive component etc..In the embodiment shown in Fig. 1, shell 10 includes an end cap 13 and a housing 11.Cut
The drive shaft of changing device has two kinds of different installation forms, when drive shaft axial direction and power transmission shaft it is axially in parallel when, drive
Axle is connected on an end face of housing 11, and when drive shaft axial direction and power transmission shaft it is axially vertical when, drive shaft is connected to
End cap 13.End cap 13 is provided with first instruction unit 12 and second instruction unit 14.First instruction unit 12 and second is indicated
Portion 14 is observation window.
Power transmission shaft 20 is rotatablely arranged at shell 10.In switching device, by drive shaft, sliding part, flexible drive group
Transmission between part and power transmission shaft 20 so that power transmission shaft 20 is rotated, to drive movable contact to separate with fixed contact and contact.Drive
Drive mechanism between moving axis, sliding part, flexible drive component and power transmission shaft 20 can adopt existing any of which, and here is not
Repeat again.The circumference of power transmission shaft 20 is provided with a drive division 22.In the embodiment shown in Fig. 1, drive division 22 is one
Along the projection that power transmission shaft 20 is radially extended.
Indicate that component 30 includes a support member 32 and first indication piece 34.Support member 32 is arranged at shell 10.The
One indication piece 34 is rotatablely arranged at support member 32.First indication piece 34 has an indication end 342, articulated section 344
With a drive end 346.Indication end 342 is provided with one for indicating that movable contact detached with fixed contact first separates instruction
Portion 340, and one be used to indicate that movable contact contacted with fixed contact first contacts instruction unit 341.First indication piece, 34 mat
Support member 32 is connected to by articulated section 344, and is rotated relative to support member 32.Drive end 346 can be connect with the projection of drive division 22
Touch, when power transmission shaft 20 is rotated, drive division 22 can promote drive end 346 so that the first indication piece 34 is rotated.
As shown in figure 1, in a kind of exemplary embodiment of instruction component of switching device, indicating that component 30 also includes one
Individual dynamic clamping head and quiet clamping head 36 and a drive-connecting shaft 38.First indication piece 34 is provided with first connection end 348, and support member 32 is provided with
One the second connection end 322.Dynamic clamping head and quiet clamping head 36 is a torsion spring, and its one end is connected to the first connection end 348, and its other end connects
The second connection end 322 is connected to, and dynamic clamping head and quiet clamping head 36 is sheathed on drive-connecting shaft 38.Drive-connecting shaft 38 is connected to articulated section 344 and supports
Part 32 so that the first indication piece 34 is rotated by axle of drive-connecting shaft 344 relative to support member 32.
Fig. 2 to Fig. 4 is used for the motor process of the indicating mechanism for illustrating the switching device shown in Fig. 1.As shown in Figure 2 a, now
The drive shaft of switching device（Do not draw in figure）In open position, 70 points of movable contact 60 and the fixed contact of switching device
From.The drive division 22 of power transmission shaft 20 is not contacted with drive end 346.Now, the second instruction unit 14 only may indicate that the first separation is indicated
The operator in portion 340, i.e. switching device only can be observed the first separation instruction unit 340 from the observation window of the second instruction unit 14.
A direction views of Fig. 2 b for Fig. 2 a, as illustrated, now have the first instruction unit 12 that the first separation instruction unit 340 only can be observed, i.e.,
The operator of switching device only can be observed the first separation instruction unit 340 from the observation window of the second instruction unit 14.When switching dress
The drive shaft put from open position to make position rotate when, the rotation of drive shaft triggers the rotation of power transmission shaft 20.Power transmission shaft
20 start to rotate clockwise, and drive movable contact 60 near fixed contact 70.Drive division 22 is rotated and is opened towards drive end 346
Beginning is contacted with drive end 346.As shown in Figure 3 a, movable contact 60 and fixed contact 70 start the moment for contacting, and drive division 22 is pushed away
Dynamic drive end 346 so that the first indication piece 34 rotates.The rotation of the first indication piece 34 so that indication end 342 rotates counterclockwise,
Second instruction unit 14 only may indicate that the first contact instruction unit 341.Due to the rotation of the first indication piece 34 so that dynamic clamping head and quiet clamping head 36
Torsion spring compression.A direction views of Fig. 3 b for Fig. 3 a, as illustrated, now the first instruction unit 12 only may indicate that the first contact is indicated
Portion 341.
Power transmission shaft 20 continues to rotate clockwise, so that movable contact 60 is further contacted with fixed contact 70.Drive division
22 continue to press on drive end 346 so that the first indication piece 34 continues rotation.The torsion spring of dynamic clamping head and quiet clamping head 36 continues compression.This mistake
Cheng Zhong, the first instruction unit 12 and the second instruction unit 14 can only still indicate the first contact instruction unit 341.As shown in fig. 4 a, now cut
The drive shaft of changing device moves to make position.Power transmission shaft 20 stops operating, and drive division 22 is resisted against drive end 346.First refers to
Show that part 34 stops operating.Second instruction unit 14 only indicates the first contact instruction unit 341.A direction views of Fig. 4 b for Fig. 4 a, as schemed institute
Show, now the first instruction unit 12 only indicates the first contact instruction unit 341.
When drive shaft is rotated from make position to open position, power transmission shaft 20 is rotated counterclockwise, and drive division 22 discharges right
The thrust of drive end 346, in the presence of 36 elastic restoring force of dynamic clamping head and quiet clamping head, the first indication piece 34 is rotated so that indication end
342 rotate clockwise.During this, the first instruction unit 12 and the second instruction unit 14 can only still indicate the first contact instruction unit 341.
When movable contact 60 starts to depart from the moment of fixed contact 70, drive division 22 departs from the contact with drive end 346, in elastic reset
In the presence of part 36, the first indication piece 34 returns to position shown in Fig. 2.Drive shaft is from make position to open position rotation process
In, process that the motor process of power transmission shaft and the first indication piece is rotated to make position from open position with drive shaft conversely,
This repeats no more.
In addition, drive shaft from open position to test position rotate when, power transmission shaft 20 and the first indication piece 34 keep Fig. 2 institutes
Show that position, the first instruction unit 12 and the second instruction unit 14 can only still indicate the first separation instruction unit 340.
In the embodiment shown in Fig. 1, shell 10 is provided with the first instruction unit 12 and the second instruction unit 14 simultaneously.Work as drive
When moving axis is connected to end cap 13, i.e. the axial direction of drive shaft and power transmission shaft it is axially vertical when, can observe by the first instruction unit 12
First separates instruction unit 340 or the first contact instruction unit 341；When drive shaft is connected to housing 11, i.e., the axial direction of drive shaft with
Power transmission shaft it is axially vertical when, instruction unit 340 or the first contact instruction unit can be separated by the observation of the second instruction unit 14 first
341.First instruction unit and the second instruction unit can be set as needed simultaneously, or first instruction unit or one are only set
Second instruction unit.
Fig. 5 be used for illustrate switching device indicating mechanism another kind exemplary embodiment structural representation, in figure with
Fig. 1 identical structures will not be described here.As shown in figure 5, in the housing 11 of shell 10, can wear and connect the end face of drive shaft and be provided with one
Individual 3rd instruction unit 16, in the embodiment shown in Fig. 5, the 3rd instruction unit 16 is an observation window.Indicate that component 30 includes
One the second indication piece, 33, dynamic clamping head and quiet clamping head 36 and a drive-connecting shaft 38.
Second indication piece 33 is provided with one second contact instruction unit 332, second and separates instruction unit 334 and a connection
Hole 336.First indication piece 34 can be connected to connecting hole 336, and the first indication piece 34 can refer to relative to second in connecting hole 336
Show that part 33 is moved.When the first indication piece 34 is rotated, it can drive glide direction of second indication piece 33 along figure shown in arrow
Motion.When glide direction of second indication piece 33 along figure shown in arrow is moved, the 3rd instruction unit 16 may indicate that the second contact
Instruction unit 332 or second separates instruction unit 334.
One end of dynamic clamping head and quiet clamping head 36 can be resisted against the first indication piece 34, and its other end can be resisted against the housing of shell 10
11, in the embodiment shown in Fig. 5, dynamic clamping head and quiet clamping head 36 is a stage clip.In addition, in the embodiment shown in Fig. 5, referring to
Show component 30 also including an end cap 39, one end of dynamic clamping head and quiet clamping head 35 is resisted against the first indication piece 34 by end cap.Drive-connecting shaft
38 can be connected to articulated section 344 and support member 32.
Fig. 6 to Fig. 8 is used for the motor process of the indicating mechanism for illustrating the switching device shown in Fig. 5.As shown in Figure 6 a, now
The drive shaft of switching device（Do not draw in figure）In open position, 70 points of movable contact 60 and the fixed contact of switching device
From.The drive division 22 of power transmission shaft 20 is resisted against drive end 346.Now, the second instruction unit 14 only may indicate that the first separation instruction unit
340, and the 3rd instruction unit only may indicate that the second separation instruction unit 334.Dynamic clamping head and quiet clamping head 36 is in compressive state.Fig. 6 b are Fig. 6 a
A direction views, as illustrated, now the first instruction unit 12 only may indicate that the first separation instruction unit 340.
When the drive shaft of switching device is when open position is rotated to make position, the rotation of drive shaft triggers power transmission shaft
20 rotation.Power transmission shaft 20 starts to rotate clockwise, and drives movable contact 60 near fixed contact 70.The projection of drive division 22
Still drive end 346 is resisted against, but starts to discharge the thrust to drive end 346.In the work of 36 elastic restoring force of dynamic clamping head and quiet clamping head
With under, the first indication piece 34 starts to rotate.The rotation of the first indication piece 34 drives the second indication piece 33 along figure shown in arrow
Glide direction is moved.As shown in Figure 7a, movable contact 60 and fixed contact 70 start the moment for contacting, and drive division 22 is discharged to driving
The thrust of moved end 346, in the presence of 36 elastic restoring force of dynamic clamping head and quiet clamping head so that the first indication piece 34 rotates.First indicates
The rotation of part 34 so that indication end 342 rotates counterclockwise and glide direction of second indication piece 33 along figure shown in arrow is moved.
Now, the second instruction unit 14 only may indicate that the first contact instruction unit 341, and the 3rd instruction unit 16 only may indicate that the second contact is indicated
Portion 332.A direction views of Fig. 7 b for Fig. 7 a, as illustrated, now the first instruction unit 12 only may indicate that the first contact instruction unit 341.
Power transmission shaft 20 continues to rotate clockwise, so that movable contact 60 is further contacted with fixed contact 70.Drive division
22 continue thrust of the release to drive end 346, and in the presence of 36 elastic restoring force of dynamic clamping head and quiet clamping head, the first indication piece 34 continues
Rotate and continue to press on glide direction of second indication piece 33 along figure shown in arrow to move.During this, the first instruction unit 12
The first contact instruction unit 341 can only still be indicated with the second instruction unit 14, and the 3rd instruction unit 16 only indicates the second contact instruction unit
332.As shown in Figure 8 a, now the drive shaft of switching device moves to make position.Power transmission shaft 20 stops operating, and drive division 22 takes off
From the contact with drive end 346.First indication piece 34 stops operating.Second instruction unit 14 only indicates the first contact instruction unit 341,
Second contact instruction unit 332 is only indicated by the 3rd instruction unit 16.A direction views of Fig. 8 b for Fig. 8 a, as illustrated, now the first finger
Show that portion 12 only indicates the first contact instruction unit 341.
When drive shaft is rotated from make position to open position, power transmission shaft 20 is rotated counterclockwise, and drive division 22 is towards drive
Move and start to promote drive end 346, the first indication piece 34 to rotate in moved end 346 so that indication end 342 rotates clockwise.This mistake
Cheng Zhong, the first instruction unit 12 and the second instruction unit 14 can only indicate the first contact instruction unit 341, and the 3rd instruction unit 16 is only capable of referring to
Show the second contact instruction unit 332.When movable contact 60 starts to depart from the moment of fixed contact 70, drive division 22 promotes drive end
346, the first indication piece 34 returns to position shown in Fig. 6.During drive shaft is from make position to open position rotation process, power transmission shaft
The process that rotated from open position to make position with the motor process of the first indication piece and the second indication piece and drive shaft conversely,
Will not be described here.
The indicating mechanism of switching device, the change of its instruction state are only related to power transmission shaft, and power transmission shaft and movable contact
It is joined directly together, even if drive shaft breaks down to the driving-chain of power transmission shaft, indicating mechanism can accurately still reflect movable contact
Whether contact with fixed contact.
In a kind of exemplary embodiment of indicating mechanism of switching device, the first separation instruction unit contacts instruction with first
Portion can be distinguished using different colors, and the second separation instruction unit separates instruction unit from second and can equally use different colors
To distinguish.
Present invention also offers a kind of switching device, including multiple movable contacts, multiple fixed contacts and above-mentioned instruction machine
Structure.The rotation of the power transmission shaft of instruction structure can drive movable contact to contact or separate with fixed contact.
Fig. 9 is used for a kind of structural representation of exemplary embodiment of indicating module for illustrating switching device.As illustrated,
The indicating module of switching device includes 40, driving member 50 of a module case and an indication piece 34.
Module case 40 is used to encapsulate whole indicating module, and it is provided with an instruction unit 42.
Driving member 50 is rotatablely arranged at module case 40.Driving member 50 may connect to the power transmission shaft 20 of switching device, and
Power transmission shaft 20 can drive 50 synchronous rotation of driving member.The circumference of driving member 50 is provided with a drive division 52, the institute in figure
In the embodiment for showing, drive division 52 is one raised.
Indication piece 34 is rotatablely arranged at module case 40.Indication piece 34 has an indication end 342, articulated section
344th, and one drive end 346.Indication end 342 is provided with one and separates instruction for indicating that movable contact is detached with fixed contact
Portion 340, and one be used to indicate contact instruction unit 341 that movable contact is contacted with fixed contact.Indication piece 34 is by articulated section
344 may connect to module case 40, and rotate relative to module case 40.Drive end 346 can work as biography with the projection contacts of drive division 52
When moving axis 22 is rotated, drive division 52 can promote drive end 346 so that indication piece 34 is rotated.
As shown in figure 9, in a kind of exemplary embodiment of indicating module of switching device, indicating module also includes one
Dynamic clamping head and quiet clamping head 36, in embodiment shown in the figure, dynamic clamping head and quiet clamping head 36 is a torsion spring.Module case 40 is provided with a pivot
Convex 41, first limiting section 44 of spindle and second limiting section 46.It is spacing that one end of dynamic clamping head and quiet clamping head 36 is connected to first
Portion 44, its other end are connected to indication piece 34.Pivot joint crown of roll 41 is connected to articulated section 344 so that indication piece 34 is with pivot joint crown of roll
41 rotate relative to module case 40 for axle.Dynamic clamping head and quiet clamping head 36 is socketed on pivot joint crown of roll 41.First limiting section 44 and second is spacing
Portion 46 can limit position of the indication piece 34 relative to module case 40.
Figure 10 to Figure 12 is used for the motor process of the indicating module of the switching device for illustrating Fig. 9.As shown in Figure 10 a, now
The drive shaft of switching device（Do not draw in figure）In open position, 70 points of movable contact 60 and the fixed contact of switching device
From.The drive division 52 of driving member 50 is not contacted with drive end 346.Dynamic clamping head and quiet clamping head 36 is uncompressed.Drive end 346 is resisted against
Two limiting sections 46, and indication end is resisted against the first limiting section 44.Now, the second instruction unit 14 only indicates the first separation instruction unit
340.A direction views of Figure 10 b for Figure 10 a, as illustrated, now the first instruction unit 12 only indicates the first separation instruction unit 340.
When the drive shaft of switching device is when open position is rotated to make position, the rotation of drive shaft triggers power transmission shaft
Rotation.Power transmission shaft starts to rotate clockwise, and drives movable contact 60 near fixed contact 70.Power transmission shaft drives driving member 50
Synchronous axial system.Drive division 52 is rotated towards drive end 346 and starts to be contacted with drive end 346.As shown in fig. 11a, movable contact
60 start to contact with fixed contact 70, and drive division 52 promotes drive end 346 to move towards the first limiting section 44 so that indication piece 34
Rotation.The rotation of indication piece 34 so that indication end 342 rotates counterclockwise and near the second limiting section 46.Now, the second instruction unit
14 only indicate contact instruction unit 341.Due to the rotation of the first indication piece 34 so that the torsion spring compression of dynamic clamping head and quiet clamping head 36.Figure 11 b
For the A direction views of Figure 11 a, as illustrated, now the first instruction unit 12 only indicates to contact instruction unit 341.
Power transmission shaft continues to rotate clockwise, so that movable contact 60 is further contacted with fixed contact 70.Drive division 52
Continue to press on drive end 346 so that indication piece 34 continues rotation.The torsion spring of dynamic clamping head and quiet clamping head 36 continues compression.During this, the
One instruction unit 12 and the second instruction unit 14 can only still indicate the first contact instruction unit 341.As figure 12 a shows, now switching device
Drive shaft move to make position.Power transmission shaft 20 stops operating, and drive division 52 is resisted against drive end 346.Indication piece 34 stops
Rotate, drive end 346 is resisted against the first limiting section 44, and indication end 342 is resisted against the second limiting section 46.Now, second indicate
Portion 14 only indicates the first contact instruction unit 341.A direction views of Figure 12 b for Figure 12 a, as illustrated, now the first instruction unit 12 is only
Indicate that first contacts instruction unit 341.
When drive shaft is rotated from make position to open position, power transmission shaft is rotated counterclockwise, and drive division 52 is discharged to driving
The thrust of moved end 346, in the presence of 36 elastic restoring force of dynamic clamping head and quiet clamping head, indication piece 34 is rotated so that 342 up time of indication end
Pin is rotated.During this, the first instruction unit 12 and the second instruction unit 14 can only still indicate the first contact instruction unit 341.Work as activity
When contact 60 starts to depart from fixed contact 70, drive division 52 departs from the contact with drive end 346, in the effect of dynamic clamping head and quiet clamping head 36
Under, indication piece 34 returns to position shown in Figure 10.During drive shaft is from make position to open position rotation process, driving member with refer to
Show process that the motor process of part rotated to make position from open position with drive shaft conversely, will not be described here.
In addition, drive shaft from open position to test position rotate when, power transmission shaft 20 and the first indication piece 34 keep Fig. 2 institutes
Show position, can only still observe that first separates instruction unit 340 by the first instruction unit 12 and the second instruction unit 14.
It should be understood that, although this specification is described according to each embodiment, but not each embodiment only includes one
Individual independent technical scheme, this narrating mode of description is only that those skilled in the art will should say for clarity
Bright book as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, forming those skilled in the art can be with
The other embodiment of understanding.
The a series of detailed description of those listed above is only for illustrating for the possible embodiments of the present invention,
They simultaneously are not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or change
More, such as feature combination, segmentation or repetition, should be included within the scope of the present invention.
Claims (13)
1. the indicating mechanism of switching device, it is characterised in that it includes：
One shell (10), it is provided with first instruction unit (12) and/or second instruction unit (14)；
One power transmission shaft for being rotatablely arranged at the shell (10) (20), it can drive the movable contact of the switching device
Separate with fixed contact or contact, the circumference of the power transmission shaft is provided with a drive division (22), and the drive division (22) is one
Individual projection；With
One indicates component (30), and it includes：
One support member that may be disposed at the shell (10) (32), and
One the first indication piece (34) for being rotatablely arranged at the support member (32), it with indication end (342), one
The individual articulated section (344) for being connected to the support member, an and drive end that can be interacted with the drive division (22)
(346), the indication end (342) is provided with one first contact instruction unit (341) and one first separates instruction unit (340)；
If the rotation of the power transmission shaft (20) drives movable contact motion, movable contact is contacted with fixed contact, and make described
Drive division (22) acts on the drive end (346), and drives first indication piece (34) to turn to first instruction unit
(12) and/or second instruction unit (14) only may indicate that it is described first contact instruction unit (341) position,
If the rotation of the power transmission shaft (20) drives movable contact motion, movable contact is separated with fixed contact, and make described
Drive division (22) acts on the drive end (346), and drives first indication piece (34) to turn to first instruction unit
(12) and/or second instruction unit (14) only may indicate that it is described first separate instruction unit (340) position.
2. the indicating mechanism of switching device as claimed in claim 1, wherein the shell (10) including a housing (11) and
One end cap that can be fastened on the housing (11) (13), first instruction unit (12) and second instruction unit (14) are arranged
In the end cap (13),
The axial direction of the power transmission shaft (20) axially in parallel or the drive shaft perpendicular to the switching device, second instruction unit
(14) or first instruction unit (12) may indicate that it is described first separate instruction unit (340) or it is described first contact instruction unit
(341)。
3. the indicating mechanism of switching device as claimed in claim 2, wherein first instruction unit (12) and described second refers to
Show that portion (14) is observation window.
4. the indicating mechanism of switching device as claimed in claim 2, wherein first indication piece (34) is provided with first
Connection end (348), the support member (32) are provided with second connection end (322),
Instruction component (30) also includes：
One drive-connecting shaft (38) for being connected to the articulated section (344) and the support member (32), and
One dynamic clamping head and quiet clamping head for being sheathed on the drive-connecting shaft (38) (36), its one end are connected to first connection end (348),
Its other end is connected to second connection end (322).
5. the indicating mechanism of switching device as claimed in claim 4, wherein the dynamic clamping head and quiet clamping head (36) is torsion spring.
6. the indicating mechanism of switching device as claimed in claim 2, wherein the shell (10) be provided with one be arranged at it is described
3rd instruction unit (16) of housing (11) end wall,
Instruction component (30) also includes：
One the second indication piece (33), which is provided with one second contact instruction unit (332), second separation instruction unit (334)
With a connecting hole (336), first indication piece (34) can be connected to the connecting hole (336), and first indication piece
(34) rotation can drive second indication piece (33) to move along a direction indication so that the 3rd instruction unit (16) can
Indicate that described second separates instruction unit (334) or second contact instruction unit (332)；
One dynamic clamping head and quiet clamping head (36), its one end are resisted against first indication piece (34), and its other end is resisted against the shell
(10)；With a drive-connecting shaft (38) for being connected to the articulated section (344) and the support member (32).
7. the indicating mechanism of switching device as claimed in claim 6, wherein the 3rd instruction unit (16) is an observation window.
8. the indicating mechanism of switching device as claimed in claim 6, wherein instruction component (30) is also including an end cap
(39), one end of the dynamic clamping head and quiet clamping head (36) is resisted against first indication piece (34) by the end cap (39), and which is another
End is resisted against the shell (10).
9. the indicating mechanism of switching device as claimed in claim 6, wherein the dynamic clamping head and quiet clamping head (36) is stage clip.
10. switching device, it is characterised in that it includes：
A plurality of movable contacts (60)；
A plurality of fixed contacts (70)；With
Indicating mechanism as described in claim 1 to 9 any one, the power transmission shaft (20) can drive the movable contact (60)
Contact or separate with the fixed contact (70).
The indicating module of 11. switching devices, it is characterised in that it includes：
One module case (40), which is provided with first instruction unit (12) and/or second instruction unit (14)；
One driving member for being rotatably arranged in the module case (40) (50), it can be connected to the switching dress synchronous axial system
The power transmission shaft put, the power transmission shaft of switching device can drive the movable contact of the switching device to separate with fixed contact or contact,
The driving member (50) is provided with a drive division (52), and the drive division (52) is raised for one；With
One indication piece for being rotatablely arranged at the module case (40) (34), it has indication end (342), a company
It is connected to articulated section (344), and the drive end (346) that can be contacted with the drive division (52) of the module case (40), institute
State indication end (342) and be provided with contact instruction unit (341) and separation instruction unit (340),
If the rotation of the driving member (50) makes movable contact contact with fixed contact, and makes the drive division (52) act on institute
Drive end (346) is stated, and drives the indication piece (34) to turn to first instruction unit (12) and/or second instruction unit
(14) position of contact instruction unit (341) is only may indicate that,
If the rotation of the driving member (50) makes movable contact separate with fixed contact, and makes the drive division (52) act on institute
Drive end (346) is stated, and drives the indication piece (34) to turn to first instruction unit (12) and/or second instruction unit
(14) only may indicate that the position for separating instruction unit (340).
The indicating module of 12. switching devices as claimed in claim 11, wherein the module case (40) is provided with a drive-connecting shaft
Convex (41), first limiting section (44) and second limiting section (46),
The indicating module also includes a dynamic clamping head and quiet clamping head (36), and its one end is resisted against first limiting section (44), another
End is resisted against the indication piece (34), and the pivot joint crown of roll (41) can be connected to the articulated section (344), and the elastic reset
Part (36) is sheathed on the pivot joint crown of roll (41)；
If movable contact is contacted with fixed contact, the drive end (346) is resisted against first limiting section (44), the instruction
End (342) is resisted against second limiting section (46),
If movable contact is separated with fixed contact, the drive end (346) is resisted against second limiting section (46), the instruction
End (342) is resisted against first limiting section (44).
The indicating module of 13. switching devices as claimed in claim 11, wherein first instruction unit (12) and described second
Instruction unit (14) is observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310473432.XA CN104576112B (en) | 2013-10-11 | 2013-10-11 | Switching device and indicating mechanism thereof, and indicating module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310473432.XA CN104576112B (en) | 2013-10-11 | 2013-10-11 | Switching device and indicating mechanism thereof, and indicating module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104576112A CN104576112A (en) | 2015-04-29 |
| CN104576112B true CN104576112B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310473432.XA Expired - Fee Related CN104576112B (en) | 2013-10-11 | 2013-10-11 | Switching device and indicating mechanism thereof, and indicating module |
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| Country | Link |
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| CN (1) | CN104576112B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702488B (en) * | 2016-03-30 | 2018-03-27 | 上海电科电器科技有限公司 | The internal feedback device of control and protective switching device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188176A (en) * | 2007-11-27 | 2008-05-28 | Tcl低压电器(无锡)有限公司 | Device for correctly displaying close and open status of plastic breaker contactor |
| CN201262901Y (en) * | 2008-09-03 | 2009-06-24 | 深圳市泰永科技股份有限公司 | Automatic changeover electric appliance of moment parallel arrangement |
| 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 |
| CN203562345U (en) * | 2013-10-11 | 2014-04-23 | 西门子公司 | Indication mechanism of switching device, switching device using same, and indication module |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101026293B1 (en) * | 2008-12-31 | 2011-03-31 | 엘에스산전 주식회사 | Run/Test Position Indicator devices in Circuit Breaker |
| ES2621219T3 (en) * | 2011-06-22 | 2017-07-03 | Abb S.P.A. | Switching device and corresponding power distribution system |
-
2013
- 2013-10-11 CN CN201310473432.XA patent/CN104576112B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101188176A (en) * | 2007-11-27 | 2008-05-28 | Tcl低压电器(无锡)有限公司 | Device for correctly displaying close and open status of plastic breaker contactor |
| CN201262901Y (en) * | 2008-09-03 | 2009-06-24 | 深圳市泰永科技股份有限公司 | Automatic changeover electric appliance of moment parallel arrangement |
| 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 |
| CN203562345U (en) * | 2013-10-11 | 2014-04-23 | 西门子公司 | Indication mechanism of switching device, switching device using same, and indication module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104576112A (en) | 2015-04-29 |
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