CN103367055B - For the control device and electric protective equipment of electric protective equipment - Google Patents
For the control device and electric protective equipment of electric protective equipment Download PDFInfo
- Publication number
- CN103367055B CN103367055B CN201310118884.6A CN201310118884A CN103367055B CN 103367055 B CN103367055 B CN 103367055B CN 201310118884 A CN201310118884 A CN 201310118884A CN 103367055 B CN103367055 B CN 103367055B
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- Prior art keywords
- control device
- blocking lever
- axis
- mentioned
- selector
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/001—Means for preventing or breaking contact-welding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/08—Interlocking mechanisms for interlocking two or more parts of the mechanism for operating contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/52—Interlocking mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
- H01H2009/288—Provisions relating to welded contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Abstract
The present invention relates to a kind of control devices for electric protective equipment; it is intended to be placed between two parts of circuit; to be at least respectively provided in the function of one of these parts of the electric current flowing between these parts, current interruptions between these portions and circuit ground connection, the equipment includes and earthing or grounding means（2）The switch unit of series connection（1）, the control device is including being referred to as main shaft（3）Axis, the axis be used for manipulate the switch unit contact be referred to as countershaft control shaft（4）, the main shaft（3）It can be manipulated by user and the axis for manipulating grounding shaft（5）, axis（5）Also can be manipulated by user, which is, is included in referred to as main shaft（3）With countershaft（4）Two above-mentioned axis between interlock（I）, when the equipment is in the close position, the interlock（I）Can forbid one of these parts of circuit ground connection, and with by above-mentioned countershaft（4）The latching devices of control（28、29、17、18、19）It is engaged, so as to forbid the circuit ground when the switch unit fuses.
Description
Technical field
The present invention relates to a kind of control device for electric protective equipment, be intended to be placed in circuit two parts it
Between, to be at least respectively provided in the electric current flowing between these parts, current interruptions between these portions and the electricity
The function of one of these parts on road ground connection, the equipment include the switch unit connected with earthing or grounding means, the control device
Axis including being referred to as main shaft, the axis are used to manipulate the control shaft for being referred to as countershaft of the switch unit contact, the main shaft
It can be manipulated by user and the axis for manipulating grounding shaft, the axis can also be manipulated by user.
Background technology
The electric protective device of indicator including being used to indicate contact blown state is well known.
The content of the invention
The purpose of the present invention is to propose to a kind of control device for electric protective equipment, the connection including simple designs
Locking device forbids the part ground connection of circuit, if in the case of the contact fusing of switching device, forbids interlock
Selector is locked in earthing position or control device is forbidden to be locked in open position.
For this purpose, subject of the present invention is a kind of control device for electric protective equipment, which is,
The interlock being included between referred to as main shaft and two above-mentioned axis of countershaft, it is described when the equipment is in the close position
Interlock can forbid one of these parts of circuit ground connection, and the latching devices with being controlled by above-mentioned countershaft are engaged,
So as to forbid the circuit ground when the switch unit fuses.
According to a special characteristic, the 70% of its total opening track if countershaft has not been advanced at least, then contact is recognized
For be fusing.
According to another feature, above-mentioned interlock includes the position that can be moved between the first position and the second position choosing
Device is selected, wherein in first position, permits, close to the hole being used for close to the axis for manipulating grounding shaft, in the second position, forbidding this
It is close, and above-mentioned latching devices are engaged with above-mentioned interlock, if the situation of the contact fusing so as to the unit
Under, above-mentioned selector is forbidden to be converted from the second above-mentioned position to the first above-mentioned position.
According to another feature, which includes selector can be locked in above-mentioned first position and/or fills the control
The lock for being locked in open position is put, if in the case of the contact fusing of the unit, prevented close to the axis for being referred to as main shaft.
According to another feature, the switch unit is vacuum interrupter（interrupter）Technology.
According to another feature, above-mentioned latching devices are controlled by position indicator, which is fixed to above-mentioned countershaft
And the position of switch unit contact is provided to above-mentioned latching devices.
According to another feature, above-mentioned interlock includes the first blocking lever, the second bar and the selection selection of above-mentioned position
Device, wherein the first bar is mounted to be freely rotatable around above-mentioned countershaft and is used for including that can discharge or close close to referred to as
For first cover plate in the hole of the control lever shaft of main shaft, the second bar is rotatably pacified around the fixed axis of support compared with the equipment
Dress and the cover plate for being referred to as the second cover plate including that can close or discharge the hole for the close axis for manipulating grounding shaft, it is described
First and second bars are mechanically connected.
According to another feature, above-mentioned position indicator include can with the matched pin of the first blocking lever, to prevent from setting when this
Selector is towards the displacement of first position when standby in the close position.
According to another feature, above-mentioned latching devices include being pivotably mounted and by spring compared with the fixing axle of support
The lock bolt withdrawn towards the axis of referred to as countershaft, the portion of the sensor of formation indicator of the lock bolt with providing contact position
Part and the device with being arranged on the first bar are engaged, to permit or prevent the first bar via the control member of selector
Rotation.
According to another feature, these devices being arranged on the first bar essentially consist in, from the closed position of contact to correspondence
In at least 70% open position of the opening rotational trajectory of the axis of referred to as countershaft, the shape phase interaction between lock bolt and bar
With to prevent the first bar from rotating, so as to prevent from manipulating selector, also, 100% in the final open position and contact is opened
Between position, the shape between lock bolt and bar no longer interacts and bar is allowed to rotate and therefore allow described in manipulation
Selector.
According to another feature, the first blocking lever includes the first arm and the second arm, wherein the first arm is including close for closing
The referred to as cover plate in the hole of the axis of main shaft, the second arm include bending part, and two continuous parts of the bending part and lock
The matching ends of door bolt, so as to which in the closed position of the equipment, lock bolt is retracted towards the axis for being referred to as countershaft, and from
And power via its first bending part part of first bar on lock bolt selector is locked it is in place, to prevent it
Towards the displacement of first position, and when the rotational trajectory according at least 70%, contact is when opening, and the protruding portion of indicator makes
Latch displacement, to allow the displacement of the first bar, which allows selector towards first position displacement, and in the product
Open position and the actuated position of the selector, the second bent portion applied force is in the lock bolt that can permit selector displacement
Side on.
According to another feature, above-mentioned lock includes the cam that can be rotatably driven by key, and the cam can be with consolidating
The fixed crank part to above-mentioned first blocking lever is engaged, to be used for first rod lock close to based on being referred to as in closing
The position in the hole of the axis of axis and/or selector is locked in above-mentioned first position, in order to perform above-mentioned locking, cam with it is bent
The cooperation between shank part is possible only after the specific rotational trajectory of the cam, which can be by described
The corresponding rotational trajectory of crank is possibly realized, and the rotational trajectory of crank can only be obtained when contact is unblown.
Advantageously, the rotational trajectory for allowing the cam of locking is about 90 °.
Advantageously, the switch unit also performs disconnection device（disconnector）Function.
Advantageously, the switch unit is breaker or switch.
Another theme of the present invention is a kind of electric protective equipment, including preceding feature alone or in combination.
Description of the drawings
It reads on the preferred embodiment described with reference to the accompanying drawings purely provided by way of non-limiting example, the present invention
Other feature and advantage will become clearer, in the accompanying drawings：
- Fig. 1 is the local perspective view for showing the electric protective equipment controlled by control device according to the present invention, should
Equipment is in an open position,
- Fig. 2 is the partial plan layout of preceding width figure, and the equipment is in the close position, additionally shows in non-actuated position
Ground connection selection selector,
- Fig. 3 is the view identical with view in Fig. 2, and the equipment is in an open position, and selector is not activated,
- Fig. 4 is the view identical with view in Fig. 3, which is also at open position, and selector is at this moment in actuating
Position and
- Fig. 5 is the view identical with view in Fig. 4, and the equipment is in an open position, the situation when contact fuses.
Specific embodiment
Fig. 1 to 5 shows the medium-voltage distribution unit being intended between be placed in circuit two parts, at least to carry respectively
For electric current flowing between these portions, current interruptions between these portions, the disconnection of the circuit and the circuit
One of these parts ground connection function, such unit description is in the patent application FR2940516 of the applicant.
The unit includes breaker 1（Or switch）, vacuum interrupter technology is preferably, for example for example Dewar bottle breaks
Continuous device, the breaker preferably also performs disconnection device function, and the earthing or grounding means 2 connected with the breaker includes band
There is the selector S of at least two positions, namely for one of these parts for disapproving the circuit of electric current flowing ground connection
Position and one of these parts for permitting circuit ground connection position, the breaker 1（Switch）It is electrically connected in upstream side
Such as to busbar and in downstream side for example to an at least cable, the unit can take three positions, be to be closed position respectively
It puts, open position and earthing position.
The control device of the unit includes the axis 3 for being known as main shaft, for manipulating the control of breaker arrangement, machinery
Ground is connected to axis 4, for driving the contact of the vacuum interrupter, and can be manually manipulated via control stick, so as to
The manual unlocking of the contact maker contact or closure or the use according to the unit are performed, via being arranged on outside switchgear
Hole in shell and perform the reset after opening.
The control device further includes the axis 5 for being intended for manipulating grounding shaft.
Except in addition on circuit to be protected there is a situation where automatically opening the contact maker contact during electric fault, being somebody's turn to do
The contact of contact maker can be opened or be closed by opening and closing button or open or close coil respectively, coil
It can be remotely actuated, these buttons and coil are not shown in figures.
As itself being well known, the contact of the vacuum interrupter is respectively by being referred to as to be closed braking（catch）Dress
The brake apparatus and the brake apparatus by being referred to as opening brake apparatus put（It is not shown）It is maintained at open position or is closing
Close position.These brake apparatus can unlock either to be beaten in the case of electric fault or via manual operation automatically
Open and close close button or via long-range actuating coils.
As front is pointed, which further includes the earthing switch connected with above-mentioned breaker, the switch bag
It includes to manipulate the axis 5 of grounding shaft, by means of passing through the bar in the hole 6 set for this purpose, makes selection selector S directions
After approaching the position actuating of the hole 6 of control lever shaft release, which is steerable.By being referred to as the second blocking lever
Bar 8 and the closing cover plate including being referred to as the second cover plate 9, the actuating of selector S there is release or closing to be used for close to behaviour
The effect in the hole of the axis 5 of vertical grounding shaft.
The breaker and earthing switch are by interlock I mechanically connected, and the interlock is for preventing from being grounded
Selector S is activated towards the position that the unit ground connection is permitted when breaker is in the close position, and for preventing from being elected to
It selects when device S is in ground connection allowance position via hole 12 and close to the control shaft 3 for being referred to as main shaft of breaker, is grasped for introducing
The hole 6 of the bar of vertical ground connection control lever shaft 5 is released.
For this purpose, and more specifically as shown in Figure 1, interlock I include the first blocking lever 7, the bar be mounted to around with
It is freely rotatable in the control shaft 4 of the contact maker contact of the breaker, the bar includes the first arm 10, which includes claiming
The cover plate 11 for the first cover plate, which can close or discharge the operation hole 12 for breaker, and first bar 7 passes through
It is connected to one of end of connecting rod 14 in articulated manner by the second arm 13, the other end of the connecting rod is with hinged side
Formula, which is connected to, belongs to one of end of arm for being referred to as the first arm 15 of the second blocking lever 8, and the second blocking lever 8 is around the unit
Fixing axle be pivotably mounted and including the second arm 16, the free end of the second arm 16 includes being referred to as the use of the second cover plate
In the cover plate 9 of blind hole 6, hole 6 is used for close to the axis 5 for manipulating grounding shaft.
Second arm 13 of the first blocking lever 7 includes bending part 17, which is included positioned at 7 one side of the first blocking lever
First portion 18 and the second portion 19 positioned at 8 one side of the second blocking lever.
Pivotal axis between 14 and second blocking lever 8 of connecting rod is introduced by being intended in the elongated slot 21 of selector S
Pin 20 and extend, slideably migrated compared with the fixed support of the unit between the first location and the second location,
In in first position, the second blocking lever 8 is driven to prevent from being grounded clockwise, in the second position, second blocking lever 8
Driven counterclockwise and permit ground connection, the selector S can by control member 22 on its outer surface or via
It locks 23 and is driven between these two positions.
Specifically, interlock I further includes lock 23, which includes can be with being fixed to the shape of above-mentioned first blocking lever 7
Into the matched cam 24 of component of crank 25, the lock 23 can drive first bar 7 to enter closing for approaching breaker
The position in the hole 12 of control shaft, and can be by the rod lock in the position.
The device further includes component 26, which is fixed to control shaft 4 and shape for the vacuum interrupter contact
Into the indicator of the position of the control shaft.
The component includes pin 27, which can be engaged with the first blocking lever 7, thus when the equipment is in the close position,
It prevents the displacement of the bar, and therefore prevents selector S from permitting the displacement of position towards its ground connection.
The component further includes the protruding portion 28 to form sensor, which can be with the branch compared with the switchgear
The lock bolt 29 that the fixing axle of support is rotatably mounted is engaged, and the lock bolt is withdrawn by spring 30 towards indicator 26, and
On the one hand it can be engaged with forming the component of sensor, the component is known as sensor and another aspect below will below
The mode to be illustrated can be engaged with the first blocking lever 7.
Referring to the drawings, the operation of the control device of unit according to the present invention will hereafter be illustrated.
In fig. 2, during control device according to the present invention has made the electric switch equipment in the close position.In the position
Put, the position of the position indicator 26 provided by being used for the position of control shaft 4 of the contact maker contact be it is such, also
It is that sensor 28 is retracted under the first blocking lever 7, and not with withdrawing the lock bolt towards the first blocking lever 7 by the spring
29 interactions.In the position of the equipment, the first blocking lever 7 is supported in this way on the pin 27 of indicator 26,
It cannot namely make the covering of cover plate 11 close for controlling the hole 12 of the control lever shaft 3 of the contact maker via the bar 7.
On the other hand, the first portion 18 of the bending part 17 of the second arm 13 of the first blocking lever 7 has been made to be supported on lock
On the end face 29a of door bolt 29, so as to which the direction for the power being applied to by bar 7 on lock bolt 29 is such, that is, the power is used to select
It is in place to select device S lockings, that is, prevents its displacement.Equally, it is impossible to which fully actuated lock 23, this will make it possible to remove
Key permits position, because the crank 25 of blocking lever 7 prevents cam 24 from doing complete 90 ° so that selector S is locked in ground connection
Rotation, so as to which key be prevented to be removed.
In figure 3, the control device so that the electric switch equipment is in the open position, is grounded control selections
Device S is not yet activated, and is closed so as to close for manipulating the hole 6 of the axis 5 of grounding shaft by the cover plate 9 of the second blocking lever 8.At this
Position, the hole 12 for approaching to manipulate the axis 3 of the control shaft 4 of the switch unit contact is free, and therefore permits being closed
It manipulates.Contact maker control control lever shaft has travelled at least the 70% of its opening rotational trajectory, so as to which sensor 28 has made lock bolt
The 29 confrontation return springs rotate clockwise ground displacement, and gap j is made to appear between bending part 17 and lock bolt 29.So
It is doing as a result, gap j allows the first blocking lever 7 followed by position selector S towards the actuating for the position for permitting ground connection and
Ground displacement is rotated clockwise, the position for permitting ground connection is shown in FIG. 4.During the displacement, selector S-phase is for institute
The support for stating switchgear is slided, which is drawn by the displacement of the pin 20 in the curved slot 21 of the support in the switchgear
It leads.During the displacement, 8 rotatably displacement counterclockwise of the second blocking lever, to discharge the axis 5 for approaching to manipulate grounding shaft
Hole 6.
Permit corresponding to ground connection, the displacement on selector S towards the right in figure can be performed by user, the behaviour of operation selector S
Longitudinal member 22 carrys out operation lock 23 likewise by by means of key, as shown in Figure 4.
When the displacement is performed by locking 23, key is introduced into the lock, and by rotating the key,
It is driven with being rotated counterclockwise with 23 associated cams 24 of lock, until the crank 25 of the cam 24 and the first blocking lever 7 matches
It closes, to drive the bar 7 clockwise.This is with following result, on the one hand, this is to driving selector S towards the right so as to inverse
Hour hands are rotatably driven the second blocking lever 8 and therefore discharge the hole 6 for the axis 5 for approaching to manipulate grounding shaft, on the other hand,
This is supported on the side 29b of lock bolt 29 second portion 19 for making the bending part 17 of the second arm 13, so as to even into one
Step drives the lock bolt with rotating clockwise, and the sensor 28 of position indicator 26 occupied position does not have in figure 3 compared with it
There is change position.Observable to be, in the position of the equipment, the first blocking lever 7 is no longer supported on position indicator 26
Pin 27 on.
Lock 23 the activating, 24 executed of cam rotation for manipulate track for by angle up to 90 °,
So as to allow to remove key at the end of the actuating, and therefore allow bar 7,8 that will be locked in the position, therefore will selection
Device S is locked in the said second position permitted corresponding to ground connection.
In Figure 5, the rotational trajectory for the control shaft 4 of the contact maker is less than the 40% of its maximum opening track, because
It fuses and can not open completely for contact.This have the consequence that sensor 28 still retracts and do not act on lock bolt 29, lead to
Its top 29a is crossed, in the first portion 18 for the bending part 17 for being still supported on the second arm 13 of the first blocking lever 17, such as
The equipment shown in Figure 2 situation in the close position.As a result, such as Fig. 2, lock bolt 29 prevents the second bar 8 from rotating, and therefore
It prevents from acting on selector S and so as to act on lock 23.Therefore, no longer it is the obstruction selector S of pin 27 of indicator 26,
Between gap i results from 27 and first bar 7 of pin, but lock bolt 29 acts on bending part 17.
The lock bolt 29 also prevents the displacement of the first bar 7, and so as to which the control device be prevented to be locked in open position,
Because bar 7 cannot be closed to approach the hole 12 of main shaft 3, therefore hole 12 still can be used for closing to manipulate.
Existing gap causes rotatable bar in the case of fuse contact between pin 27 and bar 7.This rotation
Possibility causes can be by forbidding being grounded to interrupt.
In the case that if circuit fuses, cable is still connected to network and therefore with the risk for generating short circuit, the present invention
Therefore cable grounding is prevented.When they intend to make cable grounding, with the reserved opening of the breaker or switch, to hold
Therefore the operation of row on it, the present invention protect user.
Certainly, the present invention is not limited to what is described and show to be purely presented embodiment by example.
However, the present invention includes all technically equivalent ones and combination thereof of described device, if on condition that it
Be according to its spirit and be produced.
Claims (16)
1. for the control device of electric protective equipment, it is intended to be placed between two parts of circuit, at least to carry respectively
For electric current flowing between these portions, current interruptions between these portions and the circuit these parts wherein it
The function of one ground connection, the equipment include the switch unit connected with earthing or grounding means, and the control device includes being referred to as main shaft
Axis, the main shaft for manipulate be referred to as countershaft control shaft, the control shaft be used for the switch unit contact, the main shaft
The axis for being used to manipulate grounding shaft that can be manipulated by user and can also be manipulated by user, which is characterized in that the control device bag
Include the interlock (I) between main shaft (3) and countershaft (4), when the equipment is in the close position, the interlock (I)
It can forbid one of these parts of circuit ground connection, and the latching devices with being controlled by above-mentioned countershaft (4) are engaged, from
And forbid the circuit ground when the contact fusing of the switch unit,
Above-mentioned interlock (I) includes the position selector (S) that can move between the first position and the second position, wherein the
One position, the position selector is permitted close to the hole (6) being used for close to the axis (5) for manipulating grounding shaft, described in the second position
Position selector forbids this close, also, above-mentioned latching devices are engaged with above-mentioned interlock (I), so as in the switch
In the case of the contact fusing of unit, above-mentioned position selector (S) is forbidden to be converted from the second position to the first position.
2. control device according to claim 1, which is characterized in that there are no its total openings of at least advancing in countershaft (4)
In the case of the 70% of track, contact is considered as fusing.
3. control device according to claim 1, which is characterized in that it includes that position selector (S) can be locked in
It states first position and/or the control device is locked in the lock (23) of open position, fuse in the contact of the switch unit
In the case of, it prevents close to the axis for being referred to as main shaft (3).
4. control device according to claim 1, which is characterized in that the switch unit uses vacuum interrupter technology.
5. control device according to claim 1, which is characterized in that above-mentioned latching devices are controlled by position indicator (26)
System, the position indicator are fixed to above-mentioned countershaft (4) and provide the position of switch unit contact to above-mentioned latching devices.
6. control device according to claim 1, which is characterized in that above-mentioned interlock (I) includes the first blocking lever (7)
With the second blocking lever (8) and above-mentioned position selector (S), wherein the first blocking lever (7) be mounted to around above-mentioned countershaft (4) from
It is rotated by ground and including that can discharge or close for approaching first cover plate (11) in the referred to as hole (12) of the axis (3) of main shaft,
Second blocking lever (8) is rotatably mounted around the fixed axis of support compared with the equipment and including that can close or discharge use
The cover plate (9) for being referred to as the second cover plate in the hole (6) close to the axis (5) for manipulating grounding shaft, first blocking lever (7) and the
Two blocking levers (8) are mechanically connected.
7. control device according to claim 5, which is characterized in that above-mentioned position indicator (26) includes can be with first
Locking bar (7) matched pin (27), to prevent when the equipment is in the close position, position selector (S) is towards first position
Displacement.
8. control device according to claim 5, which is characterized in that above-mentioned latching devices include the fixation compared with support
The lock bolt (29) that axis is pivotally mounted on and is withdrawn by spring towards the axis for being referred to as countershaft (4), the lock bolt (29) are tactile with providing
The component and the latching devices with being arranged on the first blocking lever (7) of the sensor (28) of the position indicator (26) of head position
It is engaged, to permit or prevent rotation of the first blocking lever (7) via the control member (22) of position selector (S).
9. control device according to claim 5, which is characterized in that the latching devices being arranged on the first blocking lever (7)
It essentially consists in, at least 70% of opening rotational trajectory from the closed position of contact to the axis corresponding to referred to as countershaft (4)
Open position, the shape interaction between lock bolt (29) and the first blocking lever (7), to prevent the first blocking lever (7) from rotating,
So as to prevent actuated position selector (S), also, between final open position and 100% open position of contact, in lock bolt
(29) shape between the first blocking lever (7) no longer interacts and the first blocking lever (7) is allowed to rotate and therefore permit
Perhaps the position selector is manipulated.
10. control device according to claim 5, which is characterized in that the first blocking lever (7) includes the first arm (10) and the
Two arms (13), wherein first arm include closing the first cover plate (11) close to the hole (12) for the axis for being referred to as main shaft (3),
Second arm includes bending part (17), also, the end of two continuous parts of the bending part (17) and lock bolt (29)
(29a) is engaged, so as to which in the closed position of the equipment, lock bolt (29) is retracted towards the axis for being referred to as countershaft (4), and
So as to which power via its first bending part part (18) of the first blocking lever (7) on lock bolt (29) is by position selector (S)
Lock it is in place, to prevent its displacement towards first position, also, when the rotational trajectory according at least 70%, contact
It is when opening, the protruding portion (28) of position indicator (26) makes lock bolt (29) displacement, to allow the displacement of the first blocking lever (7),
The displacement of first blocking lever (7) allows position selector (S) towards first position displacement, also, in the open position of the equipment
It puts and the actuated position of the position selector, the second bent portion (19) applied force is in can permit position selector (S) position
On the side (29b) of the lock bolt (29) of shifting.
11. control device according to claim 3, which is characterized in that above-mentioned lock (23) includes to be revolved by key
Turning the cam (24) of ground driving, the cam (24) can be engaged with being fixed to the crank part (25) of the first blocking lever (7), with
Just first blocking lever (7) is locked in closing and is used for the position in hole (12) close to the axis for being referred to as main shaft (3) and/or by position
It puts selector (S) and is locked in above-mentioned first position, in order to perform above-mentioned locking, between cam (24) and crank part (25)
The cooperation is only possible after the specific rotational trajectory of the cam, and the rotational trajectory of cam passes through the crank part
Corresponding rotational trajectory realizes that the rotational trajectory of the crank part can only be obtained when contact is unblown.
12. control device according to claim 11, which is characterized in that allow the rotational trajectory of the cam (24) of locking about
For 90 °.
13. control device according to any one of claim 1 to 12, which is characterized in that the switch unit also performs
Disconnection device function.
14. control device according to any one of claim 1 to 12, which is characterized in that the switch unit is open circuit
Device.
15. control device according to any one of claim 1 to 12, which is characterized in that the switch unit is switch.
16. a kind of middle piezoelectricity gas shielded equipment, which is characterized in that it is included according to any one of claim 1 to 14
Control device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR12/01056 | 2012-04-10 | ||
| FR1201056A FR2989217B1 (en) | 2012-04-10 | 2012-04-10 | CONTROL DEVICE FOR A MEDIUM VOLTAGE ELECTRICAL PROTECTION APPARATUS HAVING INTERLOCK DEVICE AND ELECTRICAL PROTECTION APPARATUS HAVING THE SAME |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103367055A CN103367055A (en) | 2013-10-23 |
| CN103367055B true CN103367055B (en) | 2018-05-22 |
Family
ID=47678657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310118884.6A Active CN103367055B (en) | 2012-04-10 | 2013-04-08 | For the control device and electric protective equipment of electric protective equipment |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2650891B1 (en) |
| CN (1) | CN103367055B (en) |
| FR (1) | FR2989217B1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3089186B1 (en) * | 2015-04-30 | 2019-09-11 | General Electric Technology GmbH | Electrical switchgear and method of operating an electrical switchgear |
| CN105428141B (en) * | 2015-12-28 | 2018-09-07 | 甘肃长城电工电器工程研究院有限公司 | A kind of breaker spring mechanism mechanical interlocking |
| FR3051593B1 (en) * | 2016-05-23 | 2019-10-04 | Schneider Electric Industries Sas | DEVICE FOR SIGNALING AN ELECTRICAL FAULT IN AN ELECTRICAL PROTECTION APPARATUS, AND ELECTRICAL PROTECTION APPARATUS COMPRISING SUCH A DEVICE |
| CN106783359B (en) * | 2017-01-04 | 2018-06-19 | 北海银河开关设备有限公司 | Two station disconnecting switch operating mechanisms are pressed in one kind |
| CN110085463B (en) * | 2018-01-26 | 2023-08-01 | Abb 瑞士股份有限公司 | Lock assembly for components of an electrical distribution system |
| CN113661394A (en) * | 2019-04-11 | 2021-11-16 | 株式会社日立高新技术 | Automatic analyzer |
| CN110571092A (en) * | 2019-11-01 | 2019-12-13 | 江苏省如高高压电器有限公司 | Novel combined type high-voltage combined electrical apparatus |
| CN113867248B (en) * | 2021-09-18 | 2023-10-17 | 北京理工大学 | Multistage interlocking circuit based on multistage cam interlocking structure |
| CN113900408B (en) * | 2021-09-18 | 2023-10-20 | 北京理工大学 | Multistage cam interlocking structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842696Y (en) * | 2005-04-23 | 2006-11-29 | 刘崇方 | Operation interlocking mechanism of vacuum load switch cabinet |
| CN102257588A (en) * | 2008-12-18 | 2011-11-23 | 施耐德电器工业公司 | Medium voltage electric distribution cell |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2363364A (en) * | 1941-07-12 | 1944-11-21 | Westinghouse Electric & Mfg Co | Switching apparatus |
| US5272291A (en) * | 1991-12-30 | 1993-12-21 | Boltswitch, Inc. | Dual switch actuator mechanism with Geneva drive plate and follower plates detent assembly |
| JP4411981B2 (en) * | 2004-01-22 | 2010-02-10 | 富士電機機器制御株式会社 | Circuit breaker switching mechanism |
| ES2400985T3 (en) * | 2008-10-03 | 2013-04-16 | Schneider Electric Industries Sas | Mechanism for synchronized closing and opening operation of a switching device and a selection device on a switch |
| KR101100709B1 (en) * | 2010-06-10 | 2011-12-30 | 엘에스산전 주식회사 | Interlock apparatus for solid insulated switchgear |
-
2012
- 2012-04-10 FR FR1201056A patent/FR2989217B1/en not_active Expired - Fee Related
-
2013
- 2013-01-30 EP EP13305105.2A patent/EP2650891B1/en active Active
- 2013-04-08 CN CN201310118884.6A patent/CN103367055B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842696Y (en) * | 2005-04-23 | 2006-11-29 | 刘崇方 | Operation interlocking mechanism of vacuum load switch cabinet |
| CN102257588A (en) * | 2008-12-18 | 2011-11-23 | 施耐德电器工业公司 | Medium voltage electric distribution cell |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2650891A1 (en) | 2013-10-16 |
| EP2650891B1 (en) | 2014-08-27 |
| FR2989217B1 (en) | 2014-03-28 |
| FR2989217A1 (en) | 2013-10-11 |
| CN103367055A (en) | 2013-10-23 |
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