CN105679619B - The connection disjunction mechanism of electric switch - Google Patents
The connection disjunction mechanism of electric switch Download PDFInfo
- Publication number
- CN105679619B CN105679619B CN201610191988.3A CN201610191988A CN105679619B CN 105679619 B CN105679619 B CN 105679619B CN 201610191988 A CN201610191988 A CN 201610191988A CN 105679619 B CN105679619 B CN 105679619B
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- contact
- loop
- sliding block
- disjunction
- connecting rod
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
Abstract
Present invention is disclosed a kind of connection disjunction mechanism of electric switch, it is connected in the loop of electric switch, including：Pull bar, contact supporter, connecting rod, contact bridge and sliding block.Contact bridge is erected on sliding block, and link rotatable is connected to sliding block, and contact bridge is between connecting rod and sliding block, contact supporter is hollow, and inside has spacing hole, and contact supporter is erected on sliding block and contact bridge, connecting rod is contained in the spacing hole of contact supporter, and pull bar is connected to connecting rod.Contact bridge and the end of incoming cables in loop and leading-out terminal connection, loop are connected.Operating contact supporter so that contact bridge separates with the end of incoming cables in loop and leading-out terminal, and loop disconnects, or, electrodynamic repulsion force denounces end of incoming cables and the leading-out terminal for opening contact bridge and loop, and loop disconnects, and contact supporter maintains loop in open position.The present invention is performed for normal ON disjunction, non-shorting failure disjunction and short trouble disjunction by different parts, has taken into account the mechanical strength, service life and breaking speed of mechanism.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more specifically to the connection disjunction mechanism of electric switch.
Background technology
Electric switch can connect with disjunction running current, and in failure disjunction loop with the electricity in protective loop
Gas equipment.Disjunction demand for electric switch is desirable to that when breaking down disjunction can be realized as early as possible, at the same time it is wished that electrical equipment
Switch has longer service life and reliability.
It is different due to failure so that above-mentioned demand has certain contradiction.In general failure cause includes non-
Short trouble and short trouble.For non-shorting failure, due in loop and being not present very big short circuit current, therefore point
Disconnected speed it is less demanding.Now in order to ensure the service life of electric switch, it is desirable to increase the mechanical strength of element, then can
It is considered as that density is higher, the preferable material of mechanical strength makes element, and the volume and weight of element can be bigger, thus
Preferable mechanical strength is obtained to increase the service life.But requirement of the short trouble to breaking speed is very high, due to short circuit current
It is larger, it is desirable to disjunction loop as early as possible.For short trouble, the electrodynamic repulsion force as caused by short circuit current is the master in disjunction loop
Power resources are wanted, in the case of equal electrodynamic repulsion force, in light weight, small volume element responds speed faster, can more meet need
Ask.
The connection disjunction mechanism of current electric switch realizes non-shorting failure disjunction and short circuit using same set of element
Failure disjunction, it is evident that both requirements are different, contradiction be present between mechanical strength, service life and breaking speed.
The content of the invention
The present invention is directed to propose a kind of connection disjunction mechanism of electric switch, takes into account mechanical strength and breaking speed.
According to one embodiment of the invention, a kind of connection disjunction mechanism of electric switch is proposed, is connected to electric switch
In loop, including：Pull bar, contact supporter, connecting rod, contact bridge and sliding block.Contact bridge is erected on sliding block, link rotatable connection
To sliding block, contact bridge is between connecting rod and sliding block, and contact supporter is hollow, and inside has spacing hole, contact supporter frame
It is located on sliding block and contact bridge, connecting rod is contained in the spacing hole of contact supporter, and pull bar is connected to connecting rod.Contact bridge and loop
End of incoming cables connected with leading-out terminal, loop connect.Operate contact supporter so that the end of incoming cables and leading-out terminal in contact bridge and loop
Separation, loop disconnect, or, electrodynamic repulsion force denounces end of incoming cables and the leading-out terminal for opening contact bridge and loop, and loop is disconnected, and contact is supported
Part maintains loop in open position.
In one embodiment, reaction spring is connected to sliding block, by the end of incoming cables in sliding block contact bridge and loop and
Leading-out terminal connects.Electromagnetic operating mechanism is connected to contact supporter, electromagnetic operating mechanism operation contact supporter, passes through contact branch
Gripping member causes the end of incoming cables of contact bridge and loop and leading-out terminal to separate, and performs normal disjunction.Operating mechanism is connected to contact support
Part, operating mechanism are threaded off and operate contact supporter, pass through the end of incoming cables and outlet in contact supporter contact bridge and loop
End separates and maintains separation point position, performs non-shorting failure disjunction.Electrodynamic repulsion force reprimand is opened the end of incoming cables of contact bridge and loop and gone out
Line end, loop are disconnected, and connecting rod is threaded off by pull bar band pneumatic operating mechanism, maintains loop in open position.
In one embodiment, sliding block has cushion block at the both ends of length direction and middle part, in the both sides of width, position
Position among length direction has support, and axis hole is formed on support.Contact bridge is erected on sliding block, the cushion block pair on sliding block
Contact bridge forms support, and the both ends of contact bridge have a contact, and the middle part of contact bridge has a fixture block, on the position and sliding block of fixture block
The position of support is corresponding, and fixture block causes position of the contact bridge on sliding block to be relatively fixed with support assorted.The bottom tool of connecting rod
There is the connecting shaft extended laterally, connecting shaft is placed in axis hole so that connecting rod is connected on sliding block, and connecting rod can pass through connecting shaft
Rotated with axis hole relative to sliding block.
In one embodiment, the top of connecting rod has connecting hole.Pull bar includes the coupler body at top and the leg of lower section, hook
Body is connected to operating mechanism, and leg is extend into the connecting hole on connecting rod top, and pull bar can follow connecting rod to move.
In one embodiment, contact supporter is provided with groove in the side wall towards pull bar side, and groove causes pull bar and company
Bar connects and follows pull bar to move, and contact supporter forms perforate and gear in the both sides of bottom, the position of the support of corresponding sliding block
Block, perforate and block are connected in the connecting shaft of connecting rod, and together with connecting shaft with support assorted.
In one embodiment, there are several working faces on the top surface of contact supporter, respectively with electromagnetic operating mechanism or
Operating mechanism coordinates.
In one embodiment, electromagnetic operating mechanism has the pressing plate that swings up and down, and the first of pressing plate and contact supporter
Working face coordinates.Pressing plate is upward, is not contacted with the first working face, and reaction spring causes end of incoming cables and the outlet of contact bridge and loop
End connection, loop normal ON.Pressing plate is downward, is contacted with the first working face, and contact supporter is downward, promotes contact bridge and loop
End of incoming cables and leading-out terminal separation, the normal disjunction in loop.
In one embodiment, operating mechanism has the second working face of action link rod, action link rod and contact supporter
Coordinate.Operating mechanism is failure to actuate, and action link rod does not contact with the second working face.Operating mechanism is threaded off under non-shorting failure, action
Connecting rod contacts with the second working face, and contact supporter is downward, promotes contact bridge to be separated with the end of incoming cables in loop and leading-out terminal, loop
Non-shorting failure disjunction.
In one embodiment, operating mechanism has lever, and lever is connected with pull bar.Contact bridge and loop under short trouble
End of incoming cables and leading-out terminal reprimand open, pull bar drives lever, and lever causes operating mechanism to thread off, the action link rod of operating mechanism and the
Two working faces contact, and contact supporter is downward, maintain contact bridge and the end of incoming cables in loop and leading-out terminal short in separation point position, loop
Road failure disjunction.
The connection disjunction mechanism of the electric switch of the present invention is for normal ON disjunction, non-shorting failure disjunction and short circuit event
Hinder disjunction to be performed by different parts, taken into account the mechanical strength, service life and breaking speed of mechanism, meet and reliable disjunction
With the requirement of long service life.
Brief description of the drawings
The present invention the above and other feature, property and advantage will pass through description with reference to the accompanying drawings and examples
And become apparent, identical reference represents identical feature all the time in the accompanying drawings, wherein：
Fig. 1 discloses the structure chart of the connection disjunction mechanism according to the electric switch of one embodiment of the invention.
Fig. 2 discloses the decomposition chart of the connection disjunction structure according to the electric switch of one embodiment of the invention.
Fig. 3 a and Fig. 3 b disclose connecting rod in the connection disjunction mechanism according to the electric switch of one embodiment of the invention, connect
Touch the assembly structure figure of bridge and sliding block.
Fig. 4 discloses the connection disjunction mechanism and end of incoming cables, leading-out terminal according to the electric switch of one embodiment of the invention
With the assembly structure figure of operating mechanism.
Fig. 5 disclose according to the connection disjunction mechanism of the electric switch of one embodiment of the invention and end of incoming cables, leading-out terminal,
The assembly structure figure of operating mechanism and electromagnetic operating mechanism.
Fig. 6 a, 6b and 6c disclose to be grasped according to the connection disjunction mechanism and electromagnetism of the electric switch of one embodiment of the invention
Make mechanism and coordinate the schematic diagram for performing normal ON disjunction.
Fig. 7 discloses the connection disjunction mechanism of the electric switch of one embodiment of the invention and operating mechanism coordinates execution to remove
The schematic diagram of failure disjunction outside short circuit.
Fig. 8 discloses the connection disjunction mechanism of the electric switch of one embodiment of the invention and operating mechanism coordinates execution short
The schematic diagram of road failure disjunction.
Embodiment
The present invention proposes a kind of connection disjunction mechanism of electric switch, is connected in the loop of electric switch, including：Draw
Bar, contact supporter, connecting rod, contact bridge and sliding block.Contact bridge is erected on sliding block, and link rotatable is connected to sliding block, contact bridge
Between connecting rod and sliding block, contact supporter is hollow, and inside has spacing hole, and contact supporter is erected at sliding block and contact
On bridge, connecting rod is contained in the spacing hole of contact supporter, and pull bar is connected to connecting rod.The end of incoming cables and outlet in contact bridge and loop
End connection, loop are connected.Operating contact supporter so that contact bridge separates with the end of incoming cables in loop and leading-out terminal, and loop disconnects,
Or electrodynamic repulsion force reprimand opens end of incoming cables and the leading-out terminal of contact bridge and loop, loop disconnects, and contact supporter maintains loop in disconnected
Open position.In general, the present invention performs disjunction for different disjunction situations by different parts.Normal disjunction and non-shorting
Failure disjunction is performed by contact supporter.Short circuit breaking performs reprimand by contact bridge first and opened, and is then performed again by contact supporter
Locking.Balance between mechanical strength, service life and breaking speed is met by different parts.
With reference to shown in figure 1 and Fig. 2, Fig. 1 discloses the connection cutting machine according to the electric switch of one embodiment of the invention
The structure chart of structure, Fig. 2 are the decomposition charts of the connection disjunction mechanism of the electric switch.
As illustrated, the connection disjunction mechanism 201 of the electric switch includes：Pull bar 101, contact supporter 102, connecting rod
103rd, contact bridge 104 and sliding block 105.
With reference to shown in figure 3a and Fig. 3 b, Fig. 3 a and Fig. 3 b disclose the assembly structure figure of connecting rod, contact bridge and sliding block, therefrom
It can be seen that the structure and assembly method of connecting rod 103, contact bridge 104 and sliding block 105.Sliding block 105 is at the both ends of length direction with
Portion has cushion block 151.In the both sides of width, the position among length direction has a support 152, shape on support 152
Into axis hole 153.Contact bridge 104 is overall elongated, is erected on sliding block 105.Cushion block 151 on sliding block 105 is to contact bridge 104
Support is formed, supports the middle part and both ends of contact bridge 104 respectively positioned at the cushion block 151 at both ends and middle part.The both ends of contact bridge 104
With contact 141.The middle part of contact bridge 104 has fixture block 142, the position and the position of the support 152 on sliding block 105 of fixture block 142
Put corresponding, fixture block 142 and support 152, which coordinate, causes position of the contact bridge 104 on sliding block 105 to be relatively fixed.Connecting rod 103 is in
Cylinder, the bottom of connecting rod 103 have the connecting shaft 131 extended laterally, and connecting shaft 131 is placed in axis hole 153 so that connecting rod
103 are connected on sliding block 105.Connecting rod 103 can be rotated by connecting shaft 131 and axis hole 153 relative to sliding block 105.Contact bridge
104 between connecting rod 103 and sliding block 105.Connecting rod 103 can be rotated by connecting shaft 131 relative to sliding block 105 so that be connect
Touching bridge 104 has certain activity space, the end of incoming cables and outlet that the contact for being so located at the both ends of contact bridge 104 can be with both sides
The static contact at end all keeps contacting, avoid the occurrence of due to loop caused by contact bridge deflection it is obstructed the problem of.Connecting rod 103 is thereon
Portion has connecting hole 132.
Contact supporter 102 is hollow structure, has the outline of approximately parallelepiped body.Contact supporter 102 has spacing
Hole, connecting rod 103 are contained in spacing hole.The shape and size of spacing hole should cause wherein movable unrestricted of connecting rod 103
System, can freely move up and down or be rotated in certain amplitude around connecting shaft 131.Contact supporter 102 is towards pull bar 101
Groove 121 is provided with the side wall of side, groove 121 enables pull bar 101 to be connected with connecting rod 103 and follows movement.Contact supporter
102 form perforate 122 and block 123 in the both sides of bottom, the position of the support 152 of corresponding sliding block 105.Perforate 122 and block
123 are connected in the connecting shaft 131 of connecting rod 103, and coordinate together with connecting shaft 131 with support 152.Perforate 122 and block 123
So that the installation site of contact supporter 102 is fixed substantially, it is relatively fixed with sliding block 105 and contact bridge 104.Contact supporter
Several working faces are formed on 102 top surface, are coordinated respectively with operating mechanism 202 and electromagnetic operating mechanism 203, behind can retouch in detail
State.
Pull bar 101 includes the coupler body 111 at top and the leg 112 of lower section.The coupler body 111 at top coordinates with operating mechanism,
It will be described in detail below.The leg 112 of lower section is extend into the connecting hole 132 on the top of connecting rod 103.By leg 112 with being connected
The connection in hole 132 so that pull bar 111 can follow connecting rod 103 to move up and down.
In the embodiment shown in Fig. 1 and Fig. 2, entered by taking the connection disjunction mechanism suitable for the electric switch of three-phase as an example
Row explanation.Therefore the quantity of contact supporter 102, connecting rod 103, contact bridge 104 and sliding block 105 is three, each contact
Supporter 102, connecting rod 103, contact bridge 104 and sliding block 105 serve a phase.The leg 112 of pull bar 101 is three, each
Leg 112 is connected with a connecting rod 103.Because three-phase is synchronous working, therefore coupler body 111 is only with one, three legs 112
Same coupler body 111 is connected to by transverse connecting rod.
The connection disjunction mechanism 201 of the present invention coordinates with operating mechanism 202, electromagnetic operating mechanism 203, reaction spring 204,
It is linked into by end of incoming cables 205 and leading-out terminal 206 in loop, realizes the connection or disjunction in the loop of device for switching.Fig. 4 and Fig. 5
Disclose the assembly structure figure for connecting disjunction mechanism 201.Wherein Fig. 4 disclose connect disjunction mechanism and end of incoming cables, leading-out terminal and
The assembly structure figure of operating mechanism.Fig. 5, which is disclosed, connects disjunction mechanism and end of incoming cables, leading-out terminal, operating mechanism and Electromagnetically-operating
The assembly structure figure of mechanism.
As illustrated, having static contact on end of incoming cables 205 and leading-out terminal 206 respectively, static contact is located at contact bridge 104 respectively
Both ends contact above.Reaction spring 204 is arranged on the lower section of sliding block 105, and reaction spring 204 provides upwards to sliding block 105
Power so that the contact at the both ends of contact bridge 104 contacts with the static contact on end of incoming cables 205 and leading-out terminal 206 respectively, end of incoming cables
205 are connected with leading-out terminal 206 by contact bridge 104.Operating mechanism 202 is generally arranged on electromagnetic operating mechanism 203 and connected
The top of disjunction mechanism 201, operating mechanism 202 and electromagnetic operating mechanism 203 act on contact supporter 102, and contact is supported
Part 102 is pressed downward, and drives contact bridge 104 and sliding block 105 to overcome the spring force of reaction spring 204 to move down so that contact bridge
The contact at 104 both ends separates with static contact, and end of incoming cables 205 and leading-out terminal 206 disconnect.
Fig. 6 a, 6b and 6c disclose to be grasped according to the connection disjunction mechanism and electromagnetism of the electric switch of one embodiment of the invention
Make mechanism and coordinate the schematic diagram for performing normal ON disjunction.Electromagnetic operating mechanism 203 is used to realize normal ON disjunction.Electromagnetism is grasped
Make that there is the pressing plate 231 that can be swung up and down in mechanism 203.The first of the top of front end alignment contact supporter 102 of pressing plate 231
Working face 124.In on-state, pressing plate 231 is rocked to top, and the front end of pressing plate 231 does not contact with the first working face 124.Touch
Head supporter 102 does not move down.The effect of reaction spring 204 causes contact and end of incoming cables 205 and the leading-out terminal of contact bridge 104
206 static contact contact, end of incoming cables 205 and leading-out terminal 206 keep electrical connection.Pressing plate 231 is rocked to lower section, pressing plate 231
Front end contacts with the first working face 124, and pressing plate 231 acts on the first working face 124 and is pressed downward contact supporter 102, contact
Supporter 102 moves down, and drives contact bridge 104 and sliding block 105 to overcome the spring force of reaction spring 204 to move down, and contacts
Contact on bridge 104 separates with the static contact of end of incoming cables 205 and leading-out terminal 206, and end of incoming cables 205 and the electric of leading-out terminal 206 connect
Connect disconnection.
Fig. 7 discloses the connection disjunction mechanism of the electric switch of one embodiment of the invention and operating mechanism coordinates execution to remove
The schematic diagram of failure disjunction outside short circuit.Operating mechanism 202 is used to realize the failure disjunction in addition to short circuit.On operating mechanism 202
With action link rod 222, action link rod 222 is directed at second working face 125 at the top of contact supporter 202.Sent out in no failure
When raw, operating mechanism 202 is failure to actuate, and action link rod 222 is left in place.When the failure in addition to short circuit occurs, operating mechanism 202
Thread off, action link rod 222 moves down, downwardly against the second working face 125 of contact supporter 102, contact supporter 102 to
Lower movement, contact bridge 104 and sliding block 105 is driven to overcome the spring force of reaction spring 204 to move down, touching on contact bridge 104
Point separates with the static contact of end of incoming cables 205 and leading-out terminal 206, and the electrical connection of end of incoming cables 205 and leading-out terminal 206 disconnects.
When normal ON disjunction, the failure occurred in addition to short circuit carry out disjunction, for the less demanding of breaking speed.Cause
Above two disjunction realizes that contact supporter 102 can select by contact supporter 102 in this connection disjunction mechanism of the invention
Select that density is high, material of good mechanical property makes, and possess certain volume and thickness comes proof strength and stress-bearing capability, with
Improve the overall mechanical life for connecting disjunction mechanism.Because above two disjunction is less demanding for breaking speed, therefore volume
Larger, the contact supporter of heavier-weight can't influence piece electrical performance.
Fig. 8 discloses the connection disjunction mechanism of the electric switch of one embodiment of the invention and operating mechanism coordinates execution short
The schematic diagram of road failure disjunction.When there is short trouble, because electrodynamic repulsion force caused by short circuit current is directly by contact bridge
Contact and static contact reprimand open.In the case where no miscellaneous part acts, electrodynamic repulsion force is more than the spring of reaction spring 204
Contact bridge 104 and sliding block 105 can be pressed downward by power, electrodynamic repulsion force so that the electrical connection of end of incoming cables 205 and leading-out terminal 206 is broken
Open.After contact bridge 104 moves down, drivening rod 103 moves downwardly together, and the leg 112 of pull bar 101 is connected to connecting rod 103,
Therefore pull bar 101 moves with connecting rod 103 downwardly together.After pull bar 101 is downward, the lever of the meeting of coupler body 111 and operating mechanism 202
221 contacts, lever 221 are pulled down so that operating mechanism 202 is threaded off.Action link rod 222 is to moving down after operating mechanism 202 is threaded off
It is dynamic, be pressed on the second working face 125 of contact supporter 102, in the presence of action link rod 222, contact supporter 102 also to
Lower movement, pushes down contact bridge 104 and sliding block 105, prevents contact bridge 104 from rebounding so that the electricity of end of incoming cables 205 and leading-out terminal 206
Gas connection is stably disconnected, disjunction loop.
Occur short trouble need carry out disjunction when, breaking speed is required, it is desirable to disjunction as early as possible.The present invention's connects
Reduction of fractions to a common denominator breaking mechanism is when performing short trouble disjunction, only contact bridge 104, sliding block 105, connecting rod 103 and these portions of pull bar 101
Part acts, and these piece volumes are small in light weight, can rapidly be acted under electrodynamic repulsion force effect, quickly realize disjunction.In circuit
After disjunction, electrodynamic repulsion force disappears, in order to prevent reaction spring 204 so that sliding block 105 and contact bridge 104 rebound and reclosed back
Road, devise pull bar 101.Pull bar 101 can be threaded off by the operating mechanism 202 of lever 221, and then pass through action link rod
202 cause contact supporter 102 to push, and pushing down contact bridge 104 and sliding block 105 prevents resilience, ensures the reliable disjunction in loop.
With continued reference to Fig. 8, in order to prevent the involuntary maneuver in normal ON disjunction of pull bar 101, pull bar 101 and lever 221
Between leave enough distances.When the pressing plate 231 of electromagnetic operating mechanism 203 is swung up and down, pull bar with connecting rod displacement
It is smaller, therefore lever 221 will not be touched and cause operating mechanism to be threaded off.When there is short trouble, electrodynamic repulsion force will can contact
The reprimand of bridge 104 opens larger distance, therefore pull bar 101 follows connecting rod 103 to move larger distance, touches lever 221 so that behaviour
Make mechanism 202 to thread off.
The connection disjunction mechanism of the electric switch of the present invention is for normal ON disjunction, non-shorting failure disjunction and short circuit event
Hinder disjunction to be performed by different parts, taken into account the mechanical strength, service life and breaking speed of mechanism, meet and reliable disjunction
With the requirement of long service life.
Above-described embodiment, which is available to, is familiar with person in the art to realize or using the present invention, be familiar with this area
Personnel can make various modifications or change, thus this to above-described embodiment without departing from the present invention in the case of the inventive idea
The protection domain of invention is not limited by above-described embodiment, and should meet inventive features that claims are mentioned most
On a large scale.
Claims (9)
1. a kind of connection disjunction mechanism of electric switch, is connected in the loop of electric switch, it is characterised in that including：Pull bar,
Contact supporter, connecting rod, contact bridge and sliding block；
Contact bridge is erected on sliding block, and link rotatable is connected to sliding block, and contact bridge is between connecting rod and sliding block, contact supporter
To be hollow, contact supporter is erected on sliding block and contact bridge, and connecting rod is contained in contact supporter, and pull bar is connected to connecting rod；
Contact bridge and the end of incoming cables in loop and leading-out terminal connection, loop are connected；
Operating contact supporter so that contact bridge separates with the end of incoming cables in loop and leading-out terminal, and loop disconnects, or, electronic reprimand
Power denounces end of incoming cables and the leading-out terminal for opening contact bridge and loop, and loop disconnects, and contact supporter maintains loop in open position.
2. disjunction mechanism is connected as claimed in claim 1, it is characterised in that
Reaction spring is connected to sliding block, is connected by sliding block contact bridge and the end of incoming cables in loop and leading-out terminal；
Electromagnetic operating mechanism is connected to contact supporter, electromagnetic operating mechanism operation contact supporter, is made by contact supporter
Obtain contact bridge to separate with the end of incoming cables in loop and leading-out terminal, perform normal disjunction；
Operating mechanism is connected to contact supporter, and operating mechanism is threaded off and operates contact supporter, passes through contact supporter
Contact bridge separates with the end of incoming cables in loop and leading-out terminal and maintains separation point position, performs non-shorting failure disjunction；
Electrodynamic repulsion force denounces end of incoming cables and the leading-out terminal for opening contact bridge and loop, and loop disconnects, and connecting rod drives operation machine by pull bar
Structure is threaded off, and maintains loop in open position.
3. the connection disjunction mechanism of electric switch as claimed in claim 2, it is characterised in that
Sliding block has cushion block at the both ends of length direction and middle part, in the both sides of width, the position among length direction
Put with support, axis hole is formed on support；
Contact bridge is erected on sliding block, and the cushion block on sliding block is formed to contact bridge and supported, and the both ends of contact bridge have contact, is contacted
The middle part of bridge has fixture block, and the position of fixture block is corresponding with the position of the support on sliding block, and fixture block to contact with support assorted
Position of the bridge on sliding block is relatively fixed；
The bottom of connecting rod has the connecting shaft extended laterally, and connecting shaft is placed in axis hole so that connecting rod is connected on sliding block, even
Bar can be rotated by connecting shaft and axis hole relative to sliding block.
4. the connection disjunction mechanism of electric switch as claimed in claim 3, it is characterised in that
The top of connecting rod has connecting hole；
Pull bar includes the coupler body at top and the leg of lower section, and coupler body is connected to operating mechanism, and leg extend into the company on connecting rod top
Connect in hole, pull bar can follow connecting rod to move.
5. the connection disjunction mechanism of electric switch as claimed in claim 4, it is characterised in that
There is spacing hole, connecting rod is contained in spacing hole, and contact supporter is in the side wall towards pull bar side on contact supporter
On be provided with groove, groove causes pull bar to be connected with connecting rod and follows connecting rod to move, contact supporter in the both sides of bottom, corresponding sliding block
The position of support forms perforate and block, perforate and block are connected in the connecting shaft of connecting rod, and together with connecting shaft with support
Coordinate.
6. the connection disjunction mechanism of electric switch as claimed in claim 2, it is characterised in that the top surface of the contact supporter
It is upper that there are several working faces, coordinate respectively with electromagnetic operating mechanism or operating mechanism.
7. the connection disjunction mechanism of electric switch as claimed in claim 6, it is characterised in that electromagnetic operating mechanism has up and down
First working face of the pressing plate of swing, pressing plate and contact supporter coordinates；
Pressing plate is upward, is not contacted with the first working face, and reaction spring causes end of incoming cables and the leading-out terminal connection of contact bridge and loop,
Loop normal ON；
Pressing plate is downward, is contacted with the first working face, and contact supporter is downward, promotes contact bridge and end of incoming cables and the leading-out terminal in loop
Separation, the normal disjunction in loop.
8. the connection disjunction mechanism of electric switch as claimed in claim 6, it is characterised in that there is operating mechanism action to connect
Second working face of bar, action link rod and contact supporter coordinates；
Operating mechanism is failure to actuate, and action link rod does not contact with the second working face；
Operating mechanism is threaded off under non-shorting failure, and action link rod contacts with the second working face, and contact supporter is downward, promotes contact
Bridge separates with the end of incoming cables in loop and leading-out terminal, the non-shorting failure disjunction in loop.
9. the connection disjunction mechanism of electric switch as claimed in claim 8, it is characterised in that operating mechanism has lever, thick stick
Bar is connected with pull bar；
Contact bridge and the end of incoming cables in loop and leading-out terminal reprimand are opened under short trouble, and pull bar drives lever, and lever causes operating mechanism
Thread off, the action link rod of operating mechanism contacts with the second working face, and contact supporter is downward, maintains contact bridge and the inlet wire in loop
End and leading-out terminal are in separation point position, loop short trouble disjunction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191988.3A CN105679619B (en) | 2016-03-30 | 2016-03-30 | The connection disjunction mechanism of electric switch |
| PCT/CN2017/077637 WO2017167086A1 (en) | 2016-03-30 | 2017-03-22 | Make/break mechanism for electrical switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191988.3A CN105679619B (en) | 2016-03-30 | 2016-03-30 | The connection disjunction mechanism of electric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105679619A CN105679619A (en) | 2016-06-15 |
| CN105679619B true CN105679619B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610191988.3A Active CN105679619B (en) | 2016-03-30 | 2016-03-30 | The connection disjunction mechanism of electric switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105679619B (en) |
| WO (1) | WO2017167086A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679619B (en) * | 2016-03-30 | 2017-11-10 | 上海电科电器科技有限公司 | The connection disjunction mechanism of electric switch |
| CN109192619A (en) * | 2018-10-20 | 2019-01-11 | 天水二三电器有限公司 | Contactor auxiliary contact |
| CN109509687B (en) * | 2018-11-06 | 2024-01-19 | 安士缔(中国)电气设备有限公司 | Be applied to short circuit device of circuit breaker |
| CN109585233B (en) * | 2018-12-28 | 2024-05-14 | 浙江正泰电器股份有限公司 | Small-sized circuit breaker |
| CN109950064B (en) * | 2019-03-11 | 2020-12-29 | 西安开天铁路电气股份有限公司 | Contact with grinding function |
| CN110010424B (en) * | 2019-05-16 | 2024-02-06 | 福州大学 | Quick breaking mechanism based on vortex repulsion principle |
| CN111063583A (en) * | 2019-12-31 | 2020-04-24 | 宁波市全盛壳体有限公司 | Phase-change switch |
| CN114121522A (en) * | 2021-11-30 | 2022-03-01 | 浙江新控电气科技有限公司 | Contact support for control and protection switching device |
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| FR2838556A1 (en) * | 2002-04-10 | 2003-10-17 | Schneider Electric Ind Sa | Low voltage multipolar electrical switch/circuit breaker having single bar and closure contact spring with opening spring having pressure above closure spring. |
| CN1886816A (en) * | 2003-11-28 | 2006-12-27 | 西门子公司 | Switching device |
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| CN103003905A (en) * | 2010-07-30 | 2013-03-27 | 西门子公司 | Switching device with a heat extraction apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105679619A (en) | 2016-06-15 |
| WO2017167086A1 (en) | 2017-10-05 |
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