CN104167312B - For the blocking mechanism of starting switch - Google Patents
For the blocking mechanism of starting switch Download PDFInfo
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- CN104167312B CN104167312B CN201410209925.7A CN201410209925A CN104167312B CN 104167312 B CN104167312 B CN 104167312B CN 201410209925 A CN201410209925 A CN 201410209925A CN 104167312 B CN104167312 B CN 104167312B
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- blocking
- linear actuator
- blocking mechanism
- clamping element
- blocking element
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 282
- 230000007246 mechanism Effects 0.000 title claims abstract description 125
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000008450 motivation Effects 0.000 claims 1
- 230000009467 reduction Effects 0.000 description 7
- 230000003068 static effect Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001494479 Pecora Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Classifications
-
- 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
- H01H71/127—Automatic release mechanisms with or without manual release using piezoelectric, electrostrictive or magnetostrictive trip units
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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
- H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
-
- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/505—Latching devices between operating and release mechanism
Abstract
Blocking mechanism (10), the switch including blocking mechanism described herein (10) the present invention relates to be used for starting switch, and to the method for blocking mechanism (10) unblock.Blocking mechanism (10) includes blocking element (12), at least one linear actuator (11) and the first clamping element (13), wherein, blocking mechanism (10) is configured to change between blocking and released state.In blocking, at least one linear actuator (11) extends along longitudinal axis (20), and blocking element (12) is pressed against on the first clamping element (13), so as to set up friction lock between blocking element (12) and the first clamping element (13).In released state, at least one linear actuator (11) is retracted along longitudinal axis (20), so as to discharge the friction lock between blocking element (12) and the first clamping element (13), so as to allow blocking element (12) mobile, with starting switch.
Description
Technical field
Embodiment of the disclosure is related to the blocking mechanism for starting switch.In addition, embodiment of the disclosure is related to include
The switch of blocking mechanism described herein.In addition, disclosing the embodiment of the method to blocking mechanism unblock.
Background technology
Many applications are required for response time short switch, such as low-voltage, medium voltate and high-tension open circuit
Device.Typical breaker is driven by driver element and blocking mechanism, and driver element is stored with energy, and blocking mechanism is used to prevent to drive
Moving cell starts breaker.Traditional blocking mechanism is reliable and stable and safe, but very big pact is subject on their release time
Beam.Generally, they are locked based on snug fit formula, it means that part to be blocked is prevented to move in the way of geometry
It is dynamic, definitely until this geometry barriers is removed.Generally, such blocking mechanism is based on complicated a series of different lever
To realize the reduction of power with several stages so that allow to start release using small and simple actuator below.Typical case
Ground, in traditional blocking mechanism, the actuator small using larger-power is shifted, such as solenoid.
But, a series of with complexity have the disadvantage in that for reducing the blocking mechanism of the different lever of power.Especially,
Their complexity can introduce many inertia, and inertia eventually results in response time extension.Therefore, traditional blocking mechanism is difficult to fit
Fast response time required for answering supper-fast application.
Standard unlocked time is of about at present 3 milliseconds -10 milliseconds.Even so, the new product example as DC breakers
Such as the blocking mechanism for causing to operate with being required to the more than one order of magnitude faster than existing latching member.
More than considering, the target of the disclosure is to provide a kind of breech-block for overcoming at least some the problems of the prior art
Structure.This target is realized by providing the blocking mechanism of complexity reduction based on friction lock concept.Especially, by basis
The blocking mechanism of independent claims, the limit switch including blocking mechanism described herein and the method to blocking mechanism unblock
At least to realize this target to a certain extent.According to dependent claims, combinations thereof, description and accompanying drawing, the disclosure
Other aspect, advantages and features be obvious.
The content of the invention
More than considering, there is provided a kind of blocking mechanism for starting switch, wherein, blocking mechanism include blocking element,
At least one linear actuator and the first clamping element.Blocking mechanism is configured to change between blocking and released state,
Wherein, in blocking, at least one linear actuator extends along longitudinal axis, and blocking element is pressed against first
On clamping element, so as to set up friction lock between blocking element and the first clamping element.In released state, at least one
Linear actuator is retracted along longitudinal axis, so that the friction lock between blocking element and the first clamping element is discharged, so that
Blocking element is allowed to move, with starting switch.
According to another aspect of the present disclosure, there is provided a kind of switch including blocking mechanism described herein.Switch is further
Including the moving machinery contact element that the contact element with switch is associated, wherein, in blocking, mechanical contact member quilt
Blocking element is pind down, so that prevent electrical contact element from turning off movement, and wherein, in released state, Mechanical Contact unit
Part is discharged by blocking element, so that electrical contact element can turn off movement.
According to another aspect of the present disclosure, there is provided a kind of method to blocking mechanism unblock, wherein, method is included by promoting
Move at least one linear actuator to discharge the friction lock between blocking element and the first clamping element so that blocking element energy
Enough movements performed for starting switch.
The disclosure further relates to the equipment for performing disclosed method, and it includes the method and step for performing each description
Part of appliance.These method and steps can with hardware component, the computer through suitable software programming, the combination of both or
Any other mode is performed.Moreover, it relates to the method for running the equipment of description.Method is included for performing equipment
The method and step of each function.
According to dependent claims, combinations thereof, description and accompanying drawing, the other aspect of the disclosure, advantages and features
It is obvious.
Brief description of the drawings
Thus, in order to the features described above of the disclosure is understood in detail, letter above can be obtained by referring to embodiment
The more specifically description of the disclosure stated.Describe typical embodiment in figure, and describe typical case in detail in the following description
Embodiment.In figure：
Fig. 1 display according to embodiment described herein blocking mechanism along its longitudinal axis cross-sectional view；
Fig. 2 is displayed at the position of blocking element, the blocking mechanism cut open perpendicular to the longitudinal axis of blocking mechanism it is saturating
View；
Fig. 3 is shown according to exemplary embodiment described herein at the position of blocking element, perpendicular to blocking mechanism
The perspective view of blocking mechanism cut open of longitudinal axis；
Fig. 4 shows according to another exemplary embodiment described herein at the position of blocking element, perpendicular to closing
The perspective view of the blocking mechanism that the longitudinal axis of latch mechanism is cut open；
Fig. 5 display according to embodiment described herein at the position of blocking element, perpendicular to the longitudinal direction of blocking mechanism
The perspective view of the blocking mechanism that axis is cut open；
Fig. 6 shows the locking cut open along the longitudinal axis of blocking mechanism as shown in Figure 5 according to embodiment
The perspective view of mechanism；
Fig. 7 shows the exemplary embodiment of the method to blocking mechanism unblock.
Specific embodiment
Various embodiments are reference will now be made in detail to now, and one or more examples of embodiment are shown in each width figure.Each reality
Apply example or example is provided by way of illustration, and be not meant to as limitation.For example, being illustrated or described as the one of one embodiment
Partial feature can be used for any other embodiment, or be used in combination with them, to produce another embodiment.It is intended to
Be that the disclosure includes such modifications and variations.
In the following description of accompanying drawing, same reference numerals represent same or analogous component.Generally, only describe on
Single embodiment does not exist together.Unless otherwise prescribed, the description of the part or aspect in one embodiment is also applied for another
Corresponding part or aspect in individual embodiment.
Generally, in the disclosure, " starting switch " is included by means of (single particularly from driving from energy storing device
In unit) release storage energy carry out firing switch.
In the disclosure, term " blocking element " is defined as the element of blocking mechanism, in the blocking of blocking mechanism
In, the element is locking, and can move to the released state of blocking mechanism.Thus, " locking " be understood to spy
It is not to be kept by static friction, fix or fasten specific position.
In the disclosure, " movement of blocking element " be understood to blocking element relative to clamping element move.Typically,
Arrangement limitation of at least one free degree of blocking element by it in blocking mechanism so that blocking element is preferably in released state
It is middle to perform the movement for having guiding.Especially, " movement of blocking element " be understood to be carried out around rotation axis in rotary moving, rotation
Shaft axis are basically parallel to the longitudinal axis of blocking mechanism, and/or are interpreted as being basically perpendicular to the longitudinal axis of blocking mechanism
The translational movement of line.
In the disclosure, the longitudinal axis of blocking mechanism is defined as such axis：When linear actuator from linear rush
The extension state of dynamic device becomes retracted mode and when vice versa, and linear actuator is moved along the axis.
In addition, in the disclosure, term " clamping element " is defined as the element of blocking mechanism, blocking element can be by means of
The element is latched in blocking especially by static friction.
In the disclosure, term " friction lock " be understood between blocking element and clamping element for setting up locking
The friction lock of state, wherein, the shifting of blocking element is constrained by means of the static friction between blocking element and clamping element
It is dynamic.
In the disclosure, term " switch " is understood to electric switch.Switch may also include the drive mechanism of switch.Typical case
Ground, switch includes at least one movable electrical contact element and the driver for moving at least one electrical contact element.In this public affairs
In opening, term " electrical contact element " is understood to the element for setting up or interrupting electrical contact of switch.
In the disclosure, term " mechanical contact member " is understood to the unit being blocked during element is pinned in blocking
Part.Typically, mechanical contact member is operatively coupled on switch, for example, cause that the movement of mechanical contact member makes switch
At least one movable electrical contact element movement.
In the disclosure, term " blocking " is defined as the state of blocking mechanism, in a state, using at least one
Individual clamping element, by friction lock by blocking element locking on location.
In the disclosure, term " released state " is defined as the state of blocking mechanism, in a state, blocking element quilt
Unblock, and it is able to carry out movement.
In the disclosure, term " extension state " is defined as retracted mode of the linear actuator relative to linear actuator
Along the state that its longitudinal axis extends.
In the disclosure, term " retracted mode " is defined as linear actuator relative to its extension state along its longitudinal axis
The state that line is retracted.
As shown in Figure 1, for start according to embodiment described herein the blocking mechanism 10 of switch include
Blocking element 12, at least one linear actuator 11 and the first clamping element 13.According to embodiment, blocking mechanism 10 is configured to
Change between blocking and released state.In blocking, at least one linear actuator 11 prolongs along longitudinal axis 20
Stretch, and blocking element 12 is pressed against on the first clamping element 13, so as to the clamping element 13 of blocking element 12 and first it
Between set up friction lock.In released state, at least one linear actuator 11 is retracted along longitudinal axis 20, so as to discharge close
Friction lock between the clamping element 13 of locking element 12 and first, so that allow blocking element 12 to move, with starting switch.Will be
For example illustrate the typical movement of blocking element in more detail on Fig. 2 below.
Thus, according to embodiment, there is provided the blocking mechanism of complexity reduction.Especially, it is special by using linear actuator
Be not energetically-thin tail sheep formula actuator, can avoid using in order that started with small and simple actuator release and in tradition
The lever needed due to needing reduction power in blocking mechanism.Therefore, according to embodiment described herein blocking mechanism it is used
Amount reduces, so that compared with known blocking mechanism, the response time is reduced.Further, since blocking mechanism is based on friction lock,
So compared with traditional blocking mechanism, it is only necessary at least one linear actuator is shifted smaller and blocking mechanism is unlocked.
Therefore, these small displacements can quickly be performed.Therefore, compared with mechanism before, blocking mechanism is based on fundamental difference
Principle (friction lock), and so as to realize 0.1 millisecond to 5 milliseconds of high speed lockout release time.
According to embodiment, the clamping element 13 of blocking element 12 and first be designed to it is rigid, to ensure that at least one actuates
Device can provide required chucking power with minimum displacement, to set up friction lock.Especially, the clamping element of blocking element 12 and first
13 materials for including the load that can withstand chucking power generation so that the clamping element 13 of blocking element 12 and first will not occur
Significant deformation.Therefore, typically, the clamping element 13 of blocking element 12 and first is by metal and/or metal alloy (such as steel)
And/or ceramics are made.
As shown in Figure 1 like that, according to embodiment, blocking element 12 is configured to plate.Typically, blocking element 12 includes
The first surface 121 of the substantially flat being substantially parallel to each other and the second surface 122 of substantially flat.In addition, the He of first surface 121
Second surface 122 and is arranged in the relative side of blocking element 12 perpendicular to the longitudinal axis 20 of linear actuator 11.From
And, blocking element 12 is particularly suitable for setting up friction lock with the corresponding flat surface of such as the first clamping element 13.
According to embodiment, at least one linear actuator 11 is piezoelectric actuator 11, magnetostriction type actuator 11 and liquid
At least one of pressure actuator 11.Therefore, at least one linear actuator 11 of blocking mechanism 10 typically " small displacement-
Formula energetically " actuator 11.So that according to embodiment, there is provided blocking mechanism 10, the lever for reducing power is avoided with it.
Especially, piezoelectric actuator, magnetostriction type actuator and hydraulic actuator are adapted to provide for very big power and small displacement.Separately
Outward, in the blocking of blocking mechanism 10, the actuator 11 only needs less energy.Therefore, according to embodiment, there is provided energy
The relatively low blocking mechanism 10 of amount consumption.Typically, depending on the specific design of blocking mechanism 10, at least one linear actuator 11
For example at least 10 kN, especially at least 15 kN may can be provided, more particularly at least chucking power of 20 kN.Chucking power is not
In the presence of the specific upper limit.By selecting the actuator 11 (such as piezoelectric actuator 11 or hydraulic actuator 11) of suitable species, with
And by providing several parallel linear actuators 11, arbitrarily large chucking power can be formed in principle.
According to embodiment, at least one linear actuator 11 be suitable to blocking mechanism 10 blocking and released state it
Between change.Typically, at least one linear actuator 11 is used for producing chucking power, holds grip force and is pressed against by making blocking element 12
Blocking element 12 is worked on first clamping element 13, so as to be set up between the clamping element 13 of blocking element 12 and first
Friction lock, so as to lock the position of blocking element 12.Especially, can be by making at least one linear actuator 11 along its longitudinal direction
Axis 20 carries out extending movement setting up friction lock.Thus at least one linear actuator 11 is pressed against the base of blocking element 12
On this flat first surface 121, so that the second surface 122 of the substantially flat of blocking element 12 is pressed against the first clamping unit
On part 13.Thus, in the blocking of blocking mechanism 10, the frictional force between blocking element 12 and clamping element 13 is by clamping
Power is produced.
As shown in Figure 1, according to embodiment, linear actuator 11 is arranged so that the extension of linear actuator 11
The length of linear actuator 11 changes caused by mobile can cause the pressure between blocking element 12 and clamping element 13 to increase.It is special
Not, typically, blocking mechanism 10 is configured so that in released state the gap along the longitudinal axis of blocking mechanism 10 is small
In the possible length change of linear actuator 11.
According to embodiment, at least one linear actuator 11 is configured to 10 μm within the range having a lower limit of (especially 5 μm, more particularly 1
μm) it is supreme be limited to retract in 250 μm of scopes of (especially 150 μm, more particularly 100 μm), with from the locking of blocking mechanism 10
State becomes released state.
According to embodiment, blocking mechanism 10 is configured to when released state is become from blocking, 0.5 millisecond within the range having a lower limit of
(especially 0.1 millisecond, more particularly 0.05 millisecond) is supreme to be limited to 5 milliseconds (especially 2.5 milliseconds, more particularly 1.0 milliseconds)
Within the time limit of discharge friction lock.Therefore, linear actuator 11 is configured to perform movement of retracting, (special with 0.5 millisecond within the range having a lower limit of
Not 0.1 millisecond, more particularly 0.05 millisecond) supreme it is limited to 5 milliseconds of phases of (especially 2.5 milliseconds, more particularly 1.0 milliseconds)
In limit, blocking mechanism 10 is set to become released state from blocking.
According to the embodiment by using electric actuated linear actuator 11 (such as piezoelectric actuator), wherein at least one
The blocking that linear actuator 11 extends can be the off-position or "on" position of linear actuator 11.According to the first example,
Blocking is obtained in the "on" position of linear actuator 11.Therefore, it can be become by making the state of piezoelectric actuator 11
Off-position, or (bear "on" position, bear and be defined as relative in turn by making the voltage for being applied to linear actuator 11
The counter voltage of the voltage of extension/blocking) piezoelectric actuator 11 is retracted, and so as to realize released state.For example may be used
By making the short circuit of linear actuator 11 so that the voltage for being applied to piezoelectric actuator 11 is reduced to zero to obtain off-position.
In two examples, when piezoelectric actuator 11 is extended into off-position, blocking is realized；And by making piezoelectric actuator
11 state becomes its "on" position (negative "on" position), i.e. apply (negative) voltage by piezoelectric actuator 11 so that piezoelectricity
Actuator 11 retracts to realize released state.
Do not rely on specific linear actuator 11 and make the ad hoc fashion of the retraction of linear actuator 11, acted on by reduction
Frictional force on blocking element 12, the retraction of linear actuator 11 can discharge friction lock.More particularly, locking is acted on
Frictional force on element 12 is decreased below critical friction power, and below critical friction power, blocking element 12 is no longer due to static state
Rub and keep being in blocking, and allow blocking element 12 to move.
Next, describing clamping element 13 in greater detail.According to embodiment, as shown in Figure 1 like that, the first clamping unit
Part 13 includes passing through first end part 131 and the second end part 132 that coupling part 133 is rigidly connected to go up each other.
In this regard, it is to be understood that can be set up with various connecting technologies be rigidly connected, mode connects for screw or clamping etc..Typically,
At least one linear actuator 11 and blocking element 12 are axially disposed in the first end part 131 and second of clamping element 13
Between end sections 132 so that in blocking, at least one linear actuator 11 and blocking element 12 are clamped in first end
Between portion part 131 and the second end part 132.This allows actuator 11 to set up effective static friction.
According to embodiment, the first clamping element 13 is constructed with trapezoidal anchor-shaped.Typically, the longitudinal direction of the first clamping element 13
Diameter parallel is in the longitudinal axis of linear actuator 11.Therefore, typically, the part more long of trapezoidal anchor-shaped clamping element 13 is put down
Row extends in the longitudinal axis of linear actuator 11, wherein, the shorter part of trapezoidal anchor-shaped clamping element 13 is typically arranged
Into the longitudinal axis for being basically perpendicular to linear actuator 11.Especially, the longitudinal axis and linear actuation of the first clamping element 13
The longitudinal axis of device 11 is essentially identical.As shown in Figure 1, typically, size phase corresponding with coupling part 133
Size increase than perpendicularly to the longitudinal axis the 20 of, the first end part 131 of the first clamping element 13.Especially, first end
Portion part 131 is configured so as to provide the surface of the substantially flat relative with the second surface 122 of blocking element 12 to be rubbed
Wipe locking.Typically, the first clamping element 13 is rotatably symmetrical around spring longitudinal axis.
According to embodiment, the coupling part 133 of the first clamping element 13 extends through the hole in blocking element 12, and prolongs
Extend through the axial hole of at least one linear actuator 11.Thus, it is capable of achieving blocking mechanism 10 compact to design.Separately
Outward, wherein the first clamping element 13 extend through the blocking mechanism 10 of actuator be designed with beneficial to produce on blocking element 12
The uniform chucking power for working, so as to set up uniform friction lock.
In addition, typically, compared with the corresponding size in coupling part 133, the second end part of the first clamping element 13
The size increase of perpendicularly to the longitudinal axis the 20 of 132, to provide the base relative with the surface 122 of the substantially flat of blocking element 12
This flat surface.
According to embodiment, in the first end part 131 and the second end part 132 of the first clamping element 13 at least one
It is individual to form integral part with coupling part 133.Fig. 1 shows the example of exemplary embodiments, wherein, the first end portion of size increase
131 are divided to form integral part with coupling part 133, and the second end part 132 of size increase is then designed to single part.
Thus, the quantity of the component of blocking mechanism 10 can be reduced, so as to reduce complexity, and especially improve the first clamping element 13
Rigidity.
According to embodiment, the second end part 132 of the first clamping element 13 is included for adjusting first end part 131
And the regulating element 14 of the axial length between the second end part 132.In embodiment, regulating element 14 is used for linear rush
Dynamic device 11 applies prestressing force.Thus, prestressing force is understood to become its extension state at least one linear actuator 11
So that before the locking of blocking element 12, along the longitudinal axis of at least one linear actuator 11, at least one linear rush
The stress of the dynamic application of device 11.When being unlocked in the period of blocking mechanism 10 is in very short less than 5 milliseconds, to linear actuator 11
Especially it is used for reducing the load acted on actuator 11 using prestressing force.Typically, regulating element 14 is mounted in first
The prestressing force screw 14 on external screw thread on second end of clamping element 13.In addition, typically as shown in Figure 1, the
The second end part 132 of one clamping element 13 includes the reverse screw 15 for secured adjusted element 14.
According to embodiment, as exemplarily shown in Fig. 1, the second clamping element 16 may be arranged at least one line
Property between actuator 11 and blocking element 12 so that in blocking, at least one linear actuator 11 make the second clamping unit
Part 16 is squeezed on the first surface 121 of blocking element 12, so as to clamp unit in the first surface 121 and second of blocking element 12
Friction lock is set up between part 16.Especially, at least one linear actuator 11 is further squeezed in the first clamping element 13
On the second surface 122 of blocking element 12.Thus can be in the surface of the substantially flat of the first clamping element 13 and blocking element 12
Second surface 122 between set up friction lock.Therefore, according to embodiment, in the blocking of blocking mechanism 10, locking unit
Part 12 is clamped between the first clamping element 13 and the second clamping element 16.
According to embodiment, as exemplarily shown in Fig. 1, the second clamping element 16 is configured to be arranged in the first folder
Panel element 16 on the neighboring of the coupling part for holding element 13, particularly ring-type element 16.Typically, the second clamping element 16
Can be moved along the axial direction of the first clamping element 13.For example, the second clamping element 16 can go up the neighboring of its coupling part 133
On be directed to.
According to embodiment, the periphery of the neighboring of the first end part 131 of clamping element 13 and the second clamping element 16
While supported by bearing 30, particularly by needle roller bearing support.Thus, there is provided the axial stability of blocking mechanism 10, and reduce
Abrasion during movement.Especially, blocking mechanism 10 is supported by with bearing 30, the antitorque firm of blocking mechanism 10 can be improved
Degree.Effective and uniform friction lock thus can be set up between blocking element 12 and clamping element (one or more) 13,16.
In fig. 2, it is depicted at the position of blocking element 12, perpendicular to the locking that the longitudinal axis of blocking mechanism 10 is cut open
The perspective view of mechanism 10.As shown in Figure 2, according to embodiment, blocking element 12 includes projection 12a, in blocking
In, the moving machinery contact element 40 of switch can be pind down with projection 12a.Thus, prevent mechanical contact member 40 from turning off
It is mobile.Especially, bias moving machinery contact element 40 so that mechanical contact member 40 applies to turn round on blocking element 12
Square.In released state, when blocking element 12 is able to carry out moving, the mechanical contact member 40 of switch is blocked element 12 and releases
Put, so that the electrical contact element of the switch being connected on mechanical contact member 40 can turn off movement.Thus, by machine
The moment of torsion that tool contact element 40 is produced is transformed into the movement of blocking element 12, and after this, projection 12a no longer pins down Mechanical Contact
Element 40.
In embodiment, before blocking element 12 carries out rotating movement, blocking element 12 is performed and slides movement, particularly
In the case of there is provided guide element 17, guide element 17 will be described in greater detail below.Although due to sectional view not
Clearly show in fig. 2, but the embodiment shown in Fig. 2 is typically comprised with the (not shown) of first end part 131
Clamping element.It is to be understood that generally, the embodiment shown in Fig. 2 may include to be retouched with the embodiment on being shown in Fig. 1
The identical element stated.
As exemplarily shown in Fig. 2, the embodiment of blocking mechanism described herein 10 may include guide element
17, guide element 17 is used to be guided at least when blocking element 12 starts to move soon after unlocking the shifting of blocking element 12
It is dynamic.In addition, guide element 17 can be arranged and configured so that blocking element 12 is pressed against on guide element 17, with least in part
Compensation acts on the power of the moment of torsion on blocking element 12 from mechanical contact member 40.As exemplarily shown in Fig. 2,
Guide element 17 can be engaged with blocking element 12.For example, engagement is realized by the recess in blocking element 12, guide element 17 is engaged
To in the recess.
According to embodiment, as exemplarily shown in Fig. 2, joint construction is into so that in the unblock of blocking mechanism 10
In state, it is feasible that latch plate 12 enters line slip movement along the surface of the substantially flat of guide element 17.Therefore, clamping is worked as
Power be released and blocking mechanism 10 from blocking become released state when, blocking element 12 along guide element 17 and locking unit
Contact surface between part 12 is slided, and latch plate 12 performs in rotary moving to discharge mechanical contact member 40 completely afterwards.According to
Example, such as, due to biasing element, such as act on the spring on mechanical contact member 40, and this movement is connect by acting on machinery
The bias force touched on element 40 drives.After discharge, i.e. be no longer blocked after element 12 pins down, mechanical contact member 40
Mobile (movement that it is biased for it) can be freely carried out, to actuate switch.Typically, mechanical contact member 40 is operated
Property be connected on the electrical contact element of switch so that switch be actuated and (disconnect or connect because mechanical contact member 40 is moved
It is logical).According to particular example, mechanical contact member 40 rigidly or by motion transfer element (such as gear) is connected to movably
On electrical contact element switch.
As shown in Figure 2, according to the embodiment of blocking mechanism 10, in the clamping element 13 of blocking element 12 and first
Between bearing 35, preferably needle bearing are provided.Thus, the slip for discharging mechanical contact member 40 of latch plate 12 is held
It is continuous so that the abrasion of the clamping element 13 of blocking element 12 and/or first can be avoided substantially.
According to the embodiment of blocking mechanism 10, as exemplarily shown in Fig. 2, typically, blocking mechanism 10 is wrapped
Include stopping element 18.Typically, blocking mechanism 10 is configured so as to lose the moment of contact from latch plate 12 and guide element 17
Rise, the clamping element 13 of blocking element 12 and/or first and/or the second clamping element 16 and/or at least one linear actuator 11
Start rotation because prevent the element carry out resistance in rotary moving without.Therefore, stopping element 18 is arranged and configured to
Make the stopping after being fully rotatable in rotary moving.After the stopping in rotary moving, latch plate 12 and/or first is clamped
The clamping element 16 of element 13 and/or second and/or at least one linear actuator 11 go back to their initial position.Can be by letter
Singly actuate linear actuator 11 and carry out locking again this initial position so that at least one linear actuator 11 makes blocking element
12 are pressed against on the first clamping element 12, so as to re-establish friction lock between the clamping element 13 of blocking element 12 and first
It is fixed.
According to another aspect of the present disclosure, there is provided a kind of switch (not shown) including blocking mechanism described herein 10.
In addition, according to embodiment, switch includes moving machinery contact element 40.As being illustrated in more detail as mentioned above for Fig. 2,
In blocking, mechanical contact member 40 is blocked element 12 and pins down, so that prevent mechanical contact member 40 from moving, and in unblock
In state, mechanical contact member 40 is blocked element 12 and discharges, so that mechanical contact member 40 can be moved, therefore, open
(or closure) is opened in shut-off, as described by Fig. 2.
In figs. 3 and 4, the embodiment of blocking mechanism 10 is shown in the sectional view similar to Fig. 2, wherein, locking unit
Part 12 is arranged to have fixed pivot axis 19, and blocking element 12 can be rotatably moved into unblock around pivot axis 19
State.
Arrow F in Fig. 3 and 4 indicates to act on the power on blocking element 12 due to the mechanical contact member 40 for biasing,
As the embodiment on being shown in Fig. 2 is illustrated in more detail.Generally, the reality of the blocking mechanism for being shown in Fig. 3 and Fig. 4
Apply example and be substantially different from the embodiment shown in Fig. 2, the particularly shape of blocking element 12.In detail, depending in machinery
Contact element 40 is pressed against the shape of the blocking element 12 in the region on blocking element 12, can be connect according to force direction and in machinery
The contact angle between the orientation of the contact surface between element 40 and blocking element 12 is touched to adjust the reduction amount of blocking force.Cause
And, there is provided it is capable of achieving the blocking mechanism 10 that certain power reduces.Including blocking element 12 (reduction of power can be realized with it) therefore,
The linear actuator 11 of embodiment may be configured to smaller, or blocking force can be correspondingly larger.In addition, Fig. 2 description also fit
For Fig. 3 and 4.
According to the embodiment of blocking mechanism described herein 10, at least two linear actuators 11 are arranged in parallel, such as Fig. 5 and
As exemplarily being shown in 6.Substantially, including two parallel arrangement linear actuator 11 embodiment construction and its
In it is essentially identical only with the embodiment of a linear actuator 11 (referring to Fig. 1), difference is, typically, blocking element 12
It is configured differently and forms.Especially, as shown in Fig. 5 and 6, blocking element 12 may include to be configured so that blocking element
12 can only carry out linearly moving elongated hole in the released state of blocking mechanism 10.Typically, blocking element 12 is in unblock shape
The described linear movement carried out in state is basically perpendicular to the longitudinal axis of at least two linear actuators 11.It is to be understood that Fig. 5
With 6 in show blocking element 12 may also include projection (not shown), in blocking, the movable of switch can be pind down with projection
Mechanical contact member 40, as the embodiment as shown on Fig. 2 to 4 is illustrated in more detail.
By providing the blocking mechanism 10 with least two linear actuators 11, the clamping of blocking mechanism 10 can be improved
Power.For example, typically have being produced as that only there is linear actuator 11 with two blocking mechanisms of actuator 11 10
The ability of the chucking power of the twice of the producible chucking power of blocking mechanism 10.
According to another aspect of the present disclosure, there is provided to blocking mechanism 10 unblock method, in such as Fig. 7 it is exemplary display that
Sample.Typically, the method to the unblock of blocking mechanism 10 is included by actuating at least one linear actuator 11 so that blocking element
12 are able to carry out the friction lock that movement discharges between 201 blocking elements 12 and the first clamping element 13 to start 202 switches
It is fixed.
According to the embodiment of the method unlocked to blocking mechanism 10, blocking mechanism described herein 10 is used for breech-block
The method of the unblock of structure 10.According to the embodiment of the method unlocked to blocking mechanism 10, actuate at least one linear actuator 11 and wrap
Including makes at least one linear actuator 11 be retracted along its longitudinal axis 20.According to the implementation of the method unlocked to blocking mechanism 10
Example, the friction lock between the release clamping element 13 of blocking element 12 and first in 0.05 millisecond to 5 milliseconds.
Claims (14)
1. a kind of blocking mechanism (10) for starting switch, wherein, the blocking mechanism (10) includes：
Blocking element (12),
At least one linear actuator (11), and
First clamping element (13),
Wherein, the blocking mechanism (10) is configured to change between blocking and released state,
Wherein, in the blocking, at least one linear actuator (11) extends along longitudinal axis (20), and
The blocking element (12) is set to be pressed against on first clamping element (13), so as in the blocking element (12) and described the
One clamping element sets up friction lock between (13), and
Wherein, in the released state, at least one linear actuator (11) is retracted along the longitudinal axis (20),
So as to discharge the friction lock between the blocking element (12) and first clamping element (13), so as to allow described
Blocking element (12) is mobile, to start the switch.
2. blocking mechanism (10) according to claim 1, it is characterised in that at least one linear actuator (11) is
At least one of piezoelectric actuator, magnetostriction type actuator and hydraulic actuator.
3. blocking mechanism (10) according to claim 1 and 2, it is characterised in that at least one linear actuator
(11) it is configured to when the released state is become from the blocking, along at least one linear actuator (11)
The longitudinal axis (20) is retracted 1 μm to 100 μm.
4. blocking mechanism (10) according to claim 1 and 2, it is characterised in that the blocking mechanism (10) is configured to
When becoming the released state from the blocking, the friction lock is discharged in 5 milliseconds of 0.1 to millisecond.
5. blocking mechanism (10) according to claim 1 or claim 2, it is characterised in that in the blocking is described by making
At least one linear actuator (11) be pressed against on the first surface (121) of the substantially flat of the blocking element (12) so that
Substantially the flat second surface (122) of the blocking element (12) is pressed against on first clamping element (13) to set up
The friction lock between blocking element (12) and first clamping element (13) is stated, wherein, the blocking element (12)
The first surface (121) and the second surface (122) be essentially parallel from one to another, and be basically perpendicular to the longitudinal axis
(20), and it is arranged in the relative side of the blocking element (12).
6. blocking mechanism (10) according to claim 5, it is characterised in that the second clamping element (16) be arranged in it is described extremely
Less between a linear actuator (11) and the blocking element (12) so that in the blocking, described at least one
Linear actuator (11) makes second clamping element (16) be expressed to the first surface (121) of the blocking element (12)
On, rubbed so as to be set up between the first surface (121) and second clamping element (16) of the blocking element (12)
Locking is wiped, and wherein, at least one linear actuator (11) further makes described the first of the second surface (122)
Clamping element (13) is expressed on the blocking element (12), so as in the table of the substantially flat of first clamping element (13)
Friction lock is set up between face and the second surface (122) of the blocking element (12).
7. blocking mechanism (10) according to claim 1 and 2, it is characterised in that the of first clamping element (13)
The neighboring and the second clamping element (16) of one end portion (131) or the first end part (131) or second folder
The neighboring for holding element (16) is supported by bearing (30).
8. blocking mechanism (10) according to claim 7, it is characterised in that first clamping element (13) is including passing through
Coupling part (133) is rigidly connected to the first end part (131) gone up each other and the second end part (132), wherein, institute
State at least one linear actuator (11) and the blocking element (12) be axially disposed in the first end part (131) and
Between the second end part (132) so that in the blocking, at least one linear actuator (11) and institute
Blocking element (12) is stated to be clamped between the first end part (131) and the second end part (132).
9. blocking mechanism (10) according to claim 8, it is characterised in that the connecting portion of first clamping element (13)
Divide (133) to extend through the hole in the blocking element (12), and extend through at least one linear actuator (11)
Axial hole.
10. blocking mechanism (10) according to claim 8 or claim 9, it is characterised in that the institute of first clamping element (13)
State the second end part (132) including for adjust the first end part (131) and the second end part (132) it
Between axial length regulating element (14).
A kind of 11. switches, including according to the described blocking mechanism of any one of claim 1 to 10 (10), and can motivation
Tool contact element (40), wherein, in the blocking of the blocking mechanism (10), mechanical contact member (40) quilt
The blocking element (12) pins down, so that prevent the mechanical contact member (40) mobile, and wherein, in the blocking mechanism
(10) in the released state, the mechanical contact member (40) is discharged by the blocking element (12), so that described
Mechanical contact member (40) can be moved, so that described switch off.
A kind of 12. methods to being unlocked according to the described blocking mechanism of any one of claim 1 to 10 (10), wherein, institute
Stating method includes discharging (201) blocking element (12) and the first clamping element by actuating at least one linear actuator (11)
(13) friction lock between so that the blocking element (12) is able to carry out the movement for starting (202) switch.
13. methods to blocking mechanism (10) unblock according to claim 12, it is characterised in that actuate described at least one
Individual linear actuator (11) is including making at least one linear actuator (11) along at least one linear actuator
(11) the longitudinal axis (20) is retracted.
14. method to blocking mechanism (10) unblock according to claim 12 or 13, it is characterised in that at 0.05 millisecond
The friction lock between the blocking element (12) and first clamping element (13) is discharged in 5 milliseconds.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13168202.3A EP2804197B1 (en) | 2013-05-17 | 2013-05-17 | Latching mechanism for activating a switch |
| EP13168202.3 | 2013-05-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104167312A CN104167312A (en) | 2014-11-26 |
| CN104167312B true CN104167312B (en) | 2017-06-23 |
Family
ID=48430575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410209925.7A Active CN104167312B (en) | 2013-05-17 | 2014-05-19 | For the blocking mechanism of starting switch |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2804197B1 (en) |
| CN (1) | CN104167312B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105416443B (en) * | 2015-10-29 | 2018-05-29 | 深圳市家信信息科技开发有限公司 | The antitheft flower-drum lock of riding cycle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369502A (en) * | 2007-04-19 | 2009-02-18 | 伊顿公司 | Electrical switching apparatus, and latch assembly and latch engagement control mechanism therefor |
| FR2923075B1 (en) * | 2007-10-29 | 2009-12-25 | Areva T & D Ag | ACTUATOR OF A SWITCH COMPRISING A FREEWHEEL COUPLING DEVICE |
| CN102024629A (en) * | 2009-09-16 | 2011-04-20 | 伊顿公司 | Electrical switching apparatus and linking assembly therefor |
| CN102870185A (en) * | 2010-03-04 | 2013-01-09 | 伊顿公司 | Electrical switching apparatus and status indicating assembly therefor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19843245A1 (en) * | 1997-09-16 | 1999-08-12 | Siemens Ag | Arrangement for obtaining auxiliary energy for a trigger system and use thereof |
| FR2829871A1 (en) * | 2001-09-18 | 2003-03-21 | Alstom | High voltage circuit breaker mechanical spring command mechanism having spring shaft moving first/second position with clutch released during spring operation. |
-
2013
- 2013-05-17 EP EP13168202.3A patent/EP2804197B1/en active Active
-
2014
- 2014-05-19 CN CN201410209925.7A patent/CN104167312B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101369502A (en) * | 2007-04-19 | 2009-02-18 | 伊顿公司 | Electrical switching apparatus, and latch assembly and latch engagement control mechanism therefor |
| FR2923075B1 (en) * | 2007-10-29 | 2009-12-25 | Areva T & D Ag | ACTUATOR OF A SWITCH COMPRISING A FREEWHEEL COUPLING DEVICE |
| CN102024629A (en) * | 2009-09-16 | 2011-04-20 | 伊顿公司 | Electrical switching apparatus and linking assembly therefor |
| CN102870185A (en) * | 2010-03-04 | 2013-01-09 | 伊顿公司 | Electrical switching apparatus and status indicating assembly therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104167312A (en) | 2014-11-26 |
| EP2804197B1 (en) | 2015-12-30 |
| EP2804197A1 (en) | 2014-11-19 |
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