EP2650892B1 - Steuervorrichtung für ein elektrisches Mittelspannungsgerät, und Gerät, das mit einer solchen Vorrichtung gesteuert wird - Google Patents

Steuervorrichtung für ein elektrisches Mittelspannungsgerät, und Gerät, das mit einer solchen Vorrichtung gesteuert wird Download PDF

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Publication number
EP2650892B1
EP2650892B1 EP13305104.5A EP13305104A EP2650892B1 EP 2650892 B1 EP2650892 B1 EP 2650892B1 EP 13305104 A EP13305104 A EP 13305104A EP 2650892 B1 EP2650892 B1 EP 2650892B1
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EP
European Patent Office
Prior art keywords
closure
opening
aforementioned
component
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13305104.5A
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English (en)
French (fr)
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EP2650892A1 (de
Inventor
Yves Belin
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Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Publication of EP2650892A1 publication Critical patent/EP2650892A1/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • 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
    • H01H31/10—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
    • H01H33/42—Driving mechanisms
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H2003/3057—Power arrangements internal to the switch for operating the driving mechanism using spring motor provisions for avoiding idling, e.g. preventing release of stored energy when a breaker is closed, or when the springs are not fully charged
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H2003/3089—Devices for manual releasing of locked charged spring motor; Devices for remote releasing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3005—Charging means
    • H01H3/3015—Charging means using cam devices
    • 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
    • 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
    • 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
    • H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
    • 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
    • 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

Definitions

  • the present invention relates to a device for controlling a medium-voltage electrical protection device interposed between two parts of an electrical circuit so as to allow the passage of current or to interrupt the current between the parts, said apparatus comprising a switching device electrical device can take a closed position of current flow or an open position of interruption of the current, said cutoff device comprising at least one actuating member for opening the contacts of the apparatus and at least one member of actuation for closing the contacts, said actuating members respectively opening and closing being able to transmit a control command respectively to at least one opening member and at least one closure member contacts by the intermediate of a mechanical connection, said control device also comprising means for interrupting the connection said mechanism so as to render inoperative any activation of any closing actuating member in cases where it is not necessary to give a closing order in order to guarantee the safety of the persons or the installation, said closure members and said apertures being rotatably mounted about two substantially parallel axes with respect to each other, the closing and / or opening of the contacts being obtained by rotating the aperture member, by means of opening
  • buttons used for local manual controls can not be placed on the front panel and do not vary the type of buttons used for local manual controls.
  • the present invention relates to a control device of a simple design apparatus, which can be placed in front of the apparatus and to vary the type of buttons of the local manual controls.
  • the subject of the present invention is a device for controlling a medium-voltage electrical protection equipment of the kind mentioned above, this device being characterized in that the aforementioned closing and opening members are situated substantially respectively facing each other. a closure actuating member and an opening actuating member, and in that the aforementioned mechanical connection comprises a piece integral with the closure member, said piece comprising a retractable element movable between a first position in which said retractable element is adapted to cooperate with the actuating element of said closure actuating member so as to transmit the closure order to the closure member, and a second position in which said element is retracted and is no longer able to cooperate with said element of the closing actuator, the displacement of said element of the deployed position in the retracted position being controlled by a closed state of the contacts or an open order maintained contacts, or by the activation of locking means of access to the operating shaft of the control contacts of the switchgear.
  • buttons comprising an actuating element movable in translation
  • rotary type comprising an actuating element movable in rotation that is rotatable to move in rotation. either the slideway or the opening actuating member.
  • Said apparatus further comprises a grounding apparatus in series with said breaking apparatus, this device is characterized in that it comprises an interlock device controlled by a movable selector between a first position in which the access port to the operating shaft of the control of the switchgear is released and the access port to the operating shaft of the setting shaft; to the ground is closed, and a second position corresponding to an intention to ground or to an effective grounding, in which the access port to the operating shaft of the output shaft. the earth is released while the access opening to the operating shaft of the control is closed, and in that the movement of said retractable element between the two aforementioned positions is controlled by a return of said interlocking device so as to prevent the closing of the aforementioned apparatus when the selector is in the second aforementioned position.
  • the aforementioned mechanical connection comprises a piece forming a slide support integral with the closure member and in which is slidably mounted a slide constituting the aforementioned retractable element.
  • this slide is operated either by an indicator of the position of the contacts, or by a part forming integral return of the opening member, by means of return means.
  • this slide is further manipulated either by the return of the aforementioned interlocking device when it is in the aforementioned second position, or by means of locking the access to the operating shaft of the the control of the switchgear controlling the return of said interlocking means.
  • the aforementioned interlocking device comprises a first interlocking lever freely rotatably mounted around the control shaft of the breaking device and comprising a flap adapted to close or release the orifice of access to the control shaft of the switchgear control, a second interlocking lever rotatably mounted about a fixed axis of the support and comprising a flap adapted to release or close the access hole to the grounding shaft, said interlocking levers being mechanically connected by a connecting rod, and a selector crossed by a pad belonging to the first lever, said selector being slidably mounted relative to a fixed support of the apparatus between the two aforementioned positions, the first interlocking lever comprising the aforementioned reference.
  • the aforementioned interlocking device comprises means for closing the access opening to the operating shaft of the grounding shaft, when this device is in the closed position.
  • these means comprise a stud secured to a piece integral with the control shaft of the contacts of the switchgear and constituting the position indicator of the aforementioned contacts, said stud cooperating with the first lever of interlocking mentioned above.
  • these return means comprise a first reference indicator said mounted articulated relative to an axis belonging to a fixed support of the apparatus and having a first portion cooperating with the integral part of the control shaft of the contacts of the switchgear constituting the aforementioned indicator and a second reference said sliding guide mounted hinged about a second fixed axis of the equipment support, said second reference having a first portion intended to cooperate with the second part of the first return via two pads located on said second return, and a second portion for cooperating with a return of the opening member.
  • these aforementioned locking means comprise a lock operable by means of a key and adapted to rotate a cam, said cam being adapted to cooperate with the return of said interlocking device, so as to bring about this device in a closed position or release of the access port to the operating shaft of the control of the switchgear.
  • one or each opening or closing member is integral with a secondary opening or closing shaft, said secondary shafts being mechanically connected to the control shaft of the breaking device. , each of the opening and closing members being retained in a position corresponding to a closed or respectively open position of the contacts of the apparatus by an opening or closing fastening device, this fastening device being releasable by the actuation of the corresponding organ.
  • the aforementioned slide has two openings separated by a partition, one of the openings being intended to receive an end portion of the closure member, said part being in abutment on the partition, and a spring in supported by one of its ends, on a flat part belonging to the aforementioned end portion, and by its opposite end, on an inner face of the slideway, said slideway also comprising a stud integral with said slideway and intended to cooperate with the slide return so as to allow the drive of said slide from one position to another.
  • this device comprises at least one manual opening operation button and at least one manual closing operation button, the actuating element of each button being adapted, when activated, to cooperate with the slide so as to drive it in rotation.
  • the or each manual opening operation button and the or each manual closing operation button is (are) located (s) on the front of the apparatus so as to be manoeuvrable from of this face by a user.
  • one or each manual opening or closing actuating member is a pressure button comprising an actuating element movable in translation to move the opening member or the slide in rotation, according to that the button is used for opening or closing.
  • one or each manual opening or closing actuating member is a rotary knob comprising an actuating element movable in rotation to move the opening member or the slideway in rotation, depending on whether the button is used for opening or closing.
  • this device comprises a single rotatable knob rotatable in one direction or the other to achieve opening or closing, said knob comprising two actuating elements movable in rotation in two opposite directions of rotation. and capable of cooperating respectively with the opening member or the slideway.
  • this device comprises at least one remote actuating coil, the actuating element of the coil cooperating with the slideway via a support comprising a pallet mounted freely rotatable around the organ closure, said support having a portion cooperating with a portion of the slide, so that the actuation of the coil drives, through the pallet, the rotation of the support and the slide, and thus, the rotation of the closure member.
  • the switchgear is a vacuum circuit breaker or a vacuum switch and the grounding apparatus is a grounding switch.
  • the invention also relates to a medium voltage electrical protection apparatus comprising an opening member and a closure member capable of controlling the opening and closing of the contacts, this apparatus being characterized in that it comprises a control device comprising the aforementioned features taken alone or in combination.
  • the present invention relates to a medium-voltage electrical cell comprising at least one apparatus comprising the above-mentioned features taken alone or in combination.
  • a medium voltage electrical distribution cell C intended to be interposed between two parts of an electrical circuit so as to ensure at least the functions respectively of current flow between the parts, of interruption of the current between the parts, of circuit isolation and grounding of one of the circuit parts, such a cell being described in the patent application FR 2 940 516 of the plaintiff.
  • This cell C comprises a circuit breaker (or switch) preferably with vacuum breaking technology such as a vacuum interrupter, said circuit breaker also performing the disconnector function and, in series with said circuit breaker, a grounding device comprising a selector S at least two positions respectively a current passage position and a grounding position of one of the circuit parts, said circuit breaker (switch) being electrically connected upstream for example to a busbar, and in downstream, to the aforementioned selector S, which is electrically connected downstream for example to at least one cable, said cell being able to take three positions respectively a closed position, a disconnected position and a grounding position.
  • a circuit breaker or switch
  • vacuum breaking technology such as a vacuum interrupter
  • this cell C comprises a shaft 1 for operating the control of the circuit breaker, mechanically connected to the shaft 2 for actuating the contacts of the vacuum interrupter, and able to be operated manually by means of an operating lever in order to achieve the opening or manually closing the contacts of said bulb, or a resetting after an opening, according to the use of the cell, through an orifice provided in the casing of the apparatus.
  • This grounding device comprises a shaft 3 for grounding the contacts of the circuit breaker and a drive shaft 4 of this shaft.
  • the contacts of the bulb can be opened or closed by opening and closing buttons 5 6 or 7,8 respectively reels of opening 7 or closing 8 can be operated remotely.
  • the contacts of the vacuum interrupter are held in the open position or in the closed position respectively by means of a so-called closing fastening device 9 and a so-called opening fastening device 10.
  • the so-called closing fastening device 9 able to maintain the energy for closing the contacts of the bulb in the open or closed position, comprises a hook 11 resting in a hooked position on a closure member 12 in the form of a half one called closing half-moon, this half-moon being integral with a shaft 13 by which it is rotatable about a fixed axis of the cell, this half-moon and its associated shaft being mechanically connected to the control shaft 1 of the closing mechanism, such that the unlocking of the closing catch 9 on the closing half-moon 12 releases the shaft 1 which drives the operating shaft 2 of the rotating bulb in the sense of closing the contacts.
  • the so-called opening hooking device 10 able to maintain the contacts of the bulb in the closed position, comprises a hook 14 cooperating with an opening member 15 called an opening half-moon.
  • half-moon being also secured to a shaft (not shown) by which it is rotatable about a fixed axis of the cell, the half-moon 15 and its associated shaft being mechanically connected to the control shaft 2 of the movable contact (s) of the bulb such that the unlocking of the opening catch 10 on the half-moon 15 drives the operating shaft 2 of the bulb rotating in the sense of opening contacts.
  • the cell C also comprises a closing energy spring 23 adapted to cooperate with the closing fastening device 9 so as to unlock the latter, to increase the closing speed of the contacts of the bulb when unlocking the hanging.
  • This mechanical connection L illustrated on the Figures 5 to 8 comprises a slide support 24 inside which is slidably mounted a slide 25, said support and the slide being traversed by the closing half-moon 12, which is fixed by embedding by its free end portion 26 on the slide support 24 having a correspondingly shaped opening for the passage of this end portion.
  • This slide 25 has two elongate openings 27,28 ( figures 7 and 8 ) separated by a partition 29, one 28 of the openings 27,28 being intended to be traversed by the aforementioned end portion 26 of the half-moon 12 and to accommodate a spring 30 interposed between a flat portion 31 belonging to this part end and the inner face 33, opposite said flat, belonging to the slide, while the face 32 of this end portion 26 of half-moon, opposite that having the flat portion 31, bears against the partition aforementioned 29 of the slide 25.
  • This slide 25 is recalled in the extended position illustrated on the figure 5 by means of the aforementioned spring 30, the displacement of the slide 25 towards its retracted position illustrated on the figure 6 being obtained by the actuation of an operating portion 34 of the slide 25 forming a stud cooperating with return means R such that they will be described in the following.
  • This pallet 35 has a projecting portion 36 adapted to cooperate with a projecting portion 37 belonging to the slide 25, these two parts extending substantially parallel to the axis of the half-moon, so that when the slide is in the deployed position, the pallet 35 is able to drive the half moon 12 in rotation during the actuation of the coil 8, whereas when the slide 25 is retracted, actuation of the coil has no effect on the slide 25 and thus on the half-moon 12.
  • the position indicator 38 Around the drive shaft 2 of the contacts of the vacuum interrupter of the circuit breaker is mounted a rigid part integral with said shaft, called the position indicator 38.
  • This indicator cooperates with one of the 41 end portions 41, 42 said first of an angled return lever 39 said reference of the indicator, mounted hinged about a fixed axis of the support of the apparatus, as illustrated on the Figures 16a and 16b .
  • a second axis of the support is also mounted articulated a second return lever 40, said slide return, having a first portion 43 intended to cooperate with the second end portion 42 of the reference 39 of the indicator, and a second portion 44, intended to cooperate with the slide 25, as will be described in the following.
  • the first lever 39 is capable of driving the second lever 40 in one direction or the other via two studs 54, 55 located on the rear face of the first part 43 of the second lever 40 cooperating with the second portion 42 of the first lever 39.
  • this cell C also comprises a grounding switch in series with the above-mentioned circuit breaker, said switch comprising an operating shaft 4 of the grounding shaft 3 which can be operated by means of a control lever. through a hole provided for this purpose, after the actuation of a selector S of choice.
  • the actuation of this selector S has the effect of releasing or closing the access port to said grounding shaft 3 by means of a lever 51, said second interlocking lever having a flap of shutting 53.
  • the circuit breaker and the grounding switch are mechanically connected by an interlocking device I, more particularly illustrated in FIG. figure 16 and to prevent the actuation of the selector S from the earthing of the cell when the circuit-breaker is in the closed position, to prevent access to the control shaft 1 of the circuit-breaker when the selector S is in position earth, the opening of the operating lever of the earth shaft 3 being released, and to prevent the closure of the circuit breaker during an intention to ground, the selector S being in position grounding.
  • an interlocking device I more particularly illustrated in FIG. figure 16 and to prevent the actuation of the selector S from the earthing of the cell when the circuit-breaker is in the closed position, to prevent access to the control shaft 1 of the circuit-breaker when the selector S is in position earth, the opening of the operating lever of the earth shaft 3 being released, and to prevent the closure of the circuit breaker during an intention to ground, the selector S being in position grounding.
  • the interlocking device I comprises a first interlocking lever 45 mounted hinged around the operating shaft 2 of the contacts of the circuit-breaker lamp, said lever 45 comprising a first arm 46 comprising a shutter 47 adapted to close the opening of operation of the circuit breaker, said first lever 45 being connected in an articulated manner via a second arm 48 at one end of a connecting rod 49 whose other end is connected by articulated manner at one of the ends of a so-called first arm 50 belonging to a second interlocking lever 51 mounted articulated around a fixed axis of the cell and having a second arm 52 whose free end comprises a flap 53 shutting off the access hole to the grounding shaft 3.
  • the axis of articulation between the connecting rod 49 and the second interlock lever 51 is extended by a stud 56 intended to be introduced into a slot 57 of the selector S, which is slidably mounted relative to a fixed support of the cell between a position in which the earthing is allowed and a position in which the earthing is prohibited, said selector S can be driven between these two positions by means of an operating member 58 located on its outer face.
  • This interlocking device I also comprises a lock 59 comprising a cam 60 adapted to cooperate with a return part 61 integral with the aforementioned first interlocking lever 45, said lock 59 being able to drive said lever 45 into the position d closing the maneuvering orifice of the operating shaft 1 of the circuit breaker control.
  • This return part 61 is also intended to cooperate with a stud 62 integral with the slideway 40, so as to drive the slideway 25 into a groove. position retracted into the support, when the selector S is brought into the grounding and shutter position of the access port to the control shaft 1.
  • This interlock device I also comprises a stud 63 integral with the above-mentioned position indicator 38 and adapted to cooperate with the first interlocking lever 45 so as to prevent the selector S from being operated to the setting position. ground when the circuit breaker is in the closed position.
  • the circuit breaker is in an open position ready to close, a certain amount of accumulated energy being stored in the closing spring around the axis of the half-moon 12.
  • the spring 30 located inside of the slide 25 has recalled the slide in an extended position in which said slide 25 is located opposite the actuating element 18 of the closure button 6 so as to cooperate with it when it is actuated.
  • the actuating element 18,20 of this element rotates the slide 25 either directly for the button or via the pallet 35. as regards the coil, and therefore the closing half-moon 12, which causes the unlocking of the closing fastener 9 and thus the closing of the contacts of the vacuum interrupter, as illustrated on the figures 11 , 12 and 13 .
  • the actuating element 17 of the opening button 5 or of the opening spool 7 causes the opening catch 10 to be unlocked and then an action on the return 15a of the opening half-moon 15, which has the effect of causing the slider 40 to return in the counterclockwise direction causing the slider 25 to be in a retracted position, after which, if the opening order is not not maintained, the slide is returned by the spring 30 in an extended position allowing a closure.
  • the slide 25 is held by the slide return 40 driven by the half-moon aperture 15a, in its retracted position, preventing any closing action.
  • the circuit breaker is in a ready-to-close position, a certain amount of energy having been accumulated for closing the contacts of the bulb by the closing spring 23.
  • the selector S has been moved to the right of the cell C signaling an intention to ground the cell. This movement has caused on the one hand, the movement in the clockwise direction of the first interlocking lever 45 causing the closing of the insertion opening of the operating lever 1 of the control of the circuit breaker and on the other hand, the counterclockwise movement of the second interlocking lever 51 so as to release the access port to the grounding shaft 3.
  • the first interlocking lever 45 has operated the slide return 40 so that the connection between the slide 25 and the closure button 6 or the closing coil 8 has become impossible.
  • the circuit breaker is in a ready-to-close position, the closing energy having been accumulated in the closing spring.
  • the grounding is effective, the earth control shaft 3 having been rotated.
  • a stop 53a is provided on the shutter 53 of the second interlock lever 51 to maintain the position of the earth shaft 3 and prevent it from rotating in the opposite direction after grounding.
  • buttons 68 are used to make the opening when it is driven counterclockwise, and to perform the closing when the latter is driven clockwise.
  • the rotational movement of the button is converted into a rotational movement of the two corresponding actuating elements 69,70, able to cause the displacement of the opening half-moon for one or the slide for 'other.
  • buttons 71,72 are pressing buttons 71,72, the actuation of one or the other of the buttons causing the displacement respectively of two different actuating elements 73,74, moving in translation for move the return of the half moon and the slide.
  • an interlocking device can be advantageously used in a medium-voltage electrical cell comprising a circuit breaker or a switch alone, or in a cell comprising a circuit breaker or switch in series with an earthing switch.
  • the device according to the invention makes it possible to prohibit giving a closing order if the product is already closed, if a maintained opening order has been given either by the opening button or by the reel. .
  • the device according to the invention makes it possible to prohibit giving a closing command, in addition to the situations mentioned above, in the case where the selector of choice of operation is in the earth position, if the control device is grounded, or if access to the drive shaft is locked by means of a key.
  • This device is placed advantageously on the front face, and allows to vary the type of button local manual controls.
  • This device allows to go to earth even if energy is already accumulated in the command for closing, this avoids closing and then opening.
  • the key lock system drives the first interlocking lever, which operates the slide return and slide. This key locking system prohibits closing even if the closing energy is already accumulated in the circuit breaker.
  • the device according to the invention makes it possible to use different types of operating buttons comprising an actuating element able to move in translation, so as to actuate the half-moon return for the opening order, or the slide for closing.

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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)

Claims (20)

  1. Vorrichtung zur Steuerung eines elektrischen Mittelspannungsschutzgeräts, das zwischen zwei Teilen einer elektrischen Schaltung angeordnet ist, um den Durchfluss des Stroms zu ermöglichen oder den Strom zwischen den Teilen zu unterbrechen, wobei das Gerät ein elektrisches Kurzschlussgerät umfasst, das eine geschlossene Position für den Durchfluss des Stroms oder eine offene Position zur Unterbrechung des Stroms einnehmen kann, wobei das Kurzschlussgerät mindestens ein Betätigungselement, das zum Öffnen der Kontakte des Geräts (17, 19) bestimmt ist, und mindestens ein Betätigungselement, das zum Schließen der Kontakte (18, 20) bestimmt ist, umfasst, wobei die Betätigungselemente zum Öffnen bzw. Schließen geeignet sind, einen Steuerbefehl an mindestens ein Öffnungselement (15) bzw. mindestens ein Schließelement (12) der Kontakte über eine mechanische Verbindung (L) zu übertragen, wobei die Steuervorrichtung auch Mittel umfasst, um die vorgenannte mechanische Verbindung zu unterbrechen, um jede Aktivierung jedes Betätigungselements zum Schließen inaktiv zu setzen, falls kein Schließbefehl gegeben werden soll, um die Sicherheit der Personen oder der Anlage zu gewährleisten, wobei die vorgenannten Schließ- und Öffnungselemente drehbar um zwei im Wesentlichen zueinander parallele Achsen montiert sind, wobei das Schließen und/oder Öffnen der Kontakte durch Drehantrieb des Öffnungselements mit Hilfe des Betätigungselements zum Öffnen bzw. des Schließelements mit Hilfe des Betätigungselements zum Schließen erzielt wird, wobei die vorgenannten Schließ- (12) und Öffnungselemente (15) im Wesentlichen gegenüber einem Betätigungselement zum Schließen (18, 20) bzw. einem Betätigungselement zum Öffnen (17, 19) angeordnet sind, wobei die vorgenannte mechanische Verbindung (L) einen Teil (24) umfasst, der mit dem Schließelement (12) verbunden ist, wobei der Teil (24) ein einziehbares Element (25) umfasst, das zwischen einer ersten Position, in der das einziehbare Element (25) geeignet ist, mit dem Betätigungselement (18, 20) des Schließelements (12) zusammenzuwirken, um den Schließbefehl auf das Schließelement (12) zu übertragen, und einer zweiten Position beweglich ist, in der das Element (25) eingezogen und nicht mehr geeignet ist, mit dem Betätigungselement (18, 20) des Schließelements (12) zusammenzuwirken,
    dadurch gekennzeichnet, dass das Gerät ferner Erdungsgerät in Serie mit dem Kurzschlussgerät umfasst,
    dass die Bewegung des Elements von der ausgefahrenen Position in die eingezogene Position durch einen geschlossenen Zustand der Kontakte oder auch einen beibehaltenen Öffnungsbefehl der Kontakte oder auch durch die Aktivierung von Verriegelungsmitteln (59, 60, 61) des Zugangs zur Betätigungswelle (1) der Steuerung der Kontakte des Kurzschlussgeräts gesteuert wird, und dass es ferner eine Vorrichtung zur Interverriegelung (I) umfasst, die von einem Wahlschalter (S) gesteuert wird, der zwischen einer ersten Position, in der die Zugangsöffnung zur Betätigungswelle (1) der Steuerung des Kurzschlussgeräts freigegeben ist und die Zugangsöffnung zur Betätigungswelle (4) der Erdungswelle (3) verschlossen ist, und einer zweiten Position beweglich ist, die einer Erdungsabsicht oder auch einer tatsächlichen Erdung entspricht, in der die Zugangsöffnung zur Betätigungswelle (4) der Erdungswelle (3) freigegeben ist, während die Zugangsöffnung zur Betätigungswelle (1) der Steuerung verschlossen ist, und dass die Bewegung des einziehbaren Elements (25) zwischen den beiden vorgenannten Positionen durch ein Umlenken (61) der vorgenannten Vorrichtung zur Interverriegelung (I) gesteuert wird, um das Schließen des vorgenannten Geräts zu verhindern, wenn sich der Wahlschalter (S) in der zweiten vorgenannten Position befindet.
  2. Steuervorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die vorgenannte mechanische Verbindung (L) einen Teil (24) umfasst, der einen mit dem Schließelement (12) verbundenen Gleitschienenträger bildet, und in dem eine Gleitschiene (25), die das vorgenannte einziehbare Element bildet, gleitend montiert ist.
  3. Steuervorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass diese Gleitschiene (25) entweder von einem Indikator der Position (38) der Kontakte oder von einem eine Umlenkung (15a) bildenden Teil, der mit dem Öffnungselement (15) über Umlenkmittel (R) verbunden ist, betätigt wird.
  4. Steuervorrichtung nach den Ansprüchen 1 und 3, dadurch gekennzeichnet, dass diese Gleitschiene (25) ferner entweder durch das Umlenken (61) der vorgenannten Vorrichtung zur Interverriegelung (I), wenn sich diese in der zweiten vorgenannten Position befindet, oder durch Verriegelungsmittel (59, 60, 61) des Zugangs zur Betätigungswelle (1) der Steuerung des Kurzschlussgeräts, die das Umlenken (61) der vorgenannten Mittel zur Interverriegelung (I) steuert, betätigt wird.
  5. Steuervorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die vorgenannte Vorrichtung zur Interverriegelung (I) einen ersten Hebel zur Interverriegelung (45), der frei drehend um die Steuerwelle (2) des Kurzschlussgeräts montiert ist und eine Klappe (47) umfasst, die geeignet ist, die Zugangsöffnung zu der Betätigungswelle (1) der Steuerung des Kurzschlussgeräts zu verschließen oder freizugeben, und einen zweiten Hebel zur Interverriegelung (51) umfasst, der drehbar um eine feste Achse des Trägers montiert ist und eine Klappe (53) umfasst, die geeignet ist, die Zugangsöffnung zur Erdungswelle (3) freizugeben oder zu verschließen, wobei die Hebel zur Interverriegelung (45, 51) mechanisch durch eine Stange (49) verbunden sind, und wobei ein Wahlschalter (S), durch den ein Stift (56) hindurchgeht, dem ersten Hebel (45) angehört, wobei der Wahlschalter (S) gleitend in Bezug zu einem festen Träger des Geräts zwischen den beiden vorgenannten Positionen montiert ist, wobei der erste Hebel zur Interverriegelung (45) die vorgenannte Umlenkung (61) umfasst.
  6. Steuervorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die vorgenannte Vorrichtung zur Interverriegelung (I) Mittel (63, 38, 45) umfasst, um die Zugangsöffnung zur Betätigungswelle (4) der Erdungswelle (3) zu verschließen, wenn sich dieses Gerät in der geschlossenen Position befindet.
  7. Steuervorrichtung nach den Ansprüchen 1, 3 und 6, dadurch gekennzeichnet, dass diese Mittel einen Stift (63) umfassen, der mit einem Teil (38) verbunden ist, der mit der Steuerwelle (2) der Kontakte des Kurzschlussgeräts verbunden ist und den Positionsindikator der vorgenannten Kontakte darstellt, wobei der Stift (63) mit dem ersten vorgenannten Hebel zur Interverriegelung (45) zusammenwirkt.
  8. Steuervorrichtung nach Anspruch 3, 4 oder 7, dadurch gekennzeichnet, dass diese Umlenkmittel (R) eine erste Umlenkung (39), Indikatorumlenkung genannt, die gelenkig in Bezug zu einer Achse montiert ist, die einem festen Träger des Geräts angehört, und umfassend einen ersten Teil (41), der mit dem Teil (38) zusammenwirkt, der mit der Steuerwelle der Kontakte des Kurzschlussgeräts verbunden ist und den vorgenannten Indikator darstellt, und eine zweite Umlenkung (40), Gleitschienenumlenkung genannt, umfasst, die gelenkig um eine zweite feste Achse des Trägers des Geräts montiert ist, wobei die zweite Umlenkung einen ersten Teil (43), der dazu bestimmt ist, mit dem zweiten Teil (42) der ersten Umlenkung (39) mit Hilfe von zwei Stiften (54, 55) zusammenzuwirken, die sich auf der zweiten Umlenkung (40) befinden, und einen zweiten Teil (44) umfasst, der dazu bestimmt ist, mit einer Umlenkung (15a) des Öffnungselements (15) zusammenzuwirken.
  9. Steuervorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die vorgenannten Verriegelungsmittel (59, 60, 61) ein Schloss (59) umfassen, das mit Hilfe eines Schlüssels betätigt werden kann und geeignet ist, eine Nocke (60) in Drehung anzutreiben, wobei die Nocke (60) geeignet ist, mit der Umlenkung (61) der vorgenannten Vorrichtung zur Interverriegelung (I) zusammenzuwirken, um diese Vorrichtung in eine Verschluss- oder Freigabeposition der Zugangsöffnung zur Betätigungswelle der Steuerung des Kurzschlussgeräts zu bringen.
  10. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das eine oder jedes Öffnungselement (15) oder Schließelement (12) mit einer sekundären Öffnungswelle bzw. Schließwelle (13) verbunden ist, wobei die Sekundärwellen mechanisch mit der Steuerwelle (2) des Kurzschlussgeräts verbunden sind, wobei jedes der Öffnungs- (15) und Schließelemente (12) in einer Position, die einer geschlossenen bzw. geöffneten Position der Kontakte des Geräts entspricht, durch eine Vorrichtung zur Öffnungsfeststellung (10) bzw. Schließfeststellung (9) gehalten wird, wobei diese Feststellungsvorrichtungen durch die Betätigung des entsprechenden Elements entriegelbar sind.
  11. Steuervorrichtung nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, dass die vorgenannte Gleitschiene (25) zwei Öffnungen (27, 28) umfasst, die durch eine Trennwand (29) getrennt sind, wobei eine (28) der Öffnungen dazu bestimmt ist, einen Endteil (26) des Schließelements (12) aufzunehmen, wobei der Teil an der Trennwand (29) anliegt, und eine Feder (30), die mit einem ihrer Enden auf einer Abflachung (31), die dem vorgenannten Endteil (26) angehört, und mit ihrem gegenüberliegenden Ende auf einer Innenseite (33) der Gleitschiene (25) aufliegt, wobei die Gleitschiene auch einen Stift (34) umfasst, der mit der Gleitschiene (25) verbunden und dazu bestimmt ist, mit der Gleitschienenumlenkung (40) zusammenzuwirken, um den Antrieb der Gleitschiene (25) von einer Position in die andere zu ermöglichen.
  12. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie mindestens einen manuellen Betätigungsknopf zum Öffnen (5) und mindestens einen manuellen Betätigungsknopf zum Schließen (6) umfasst, wobei das Betätigungselement (17, 18) jedes Knopfes dazu geeignet ist, wenn es aktiviert wird, mit der Gleitschiene (25) zusammenzuwirken, um sie in Drehung anzutreiben.
  13. Steuervorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass der oder jeder manuelle Betätigungsknopf zum Öffnen und der oder jeder manuelle Betätigungsknopf zum Schließen auf der Vorderseite des Geräts angeordnet sind, um von dieser Seite aus von einem Benutzer betätigt werden zu können.
  14. Steuervorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass das oder jedes manuelle Betätigungselement zum Öffnen (5) oder zum Schließen (6) ein Druckknopf (71, 72) ist, umfassend ein in Translation bewegliches Betätigungselement (73, 74), um das Öffnungselement (15) oder die Gleitschiene (25) in Drehung zu bewegen, je nachdem, ob der Knopf (71, 72) zum Öffnen oder zum Schließen verwendet wird.
  15. Steuervorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass das oder jedes manuelle Betätigungselement zum Öffnen oder Schließen ein Drehknopf (64, 65) ist, umfassend ein Betätigungselement (66, 67), das drehbeweglich ist, um das Öffnungselement (15) oder die Gleitschiene (25) in Drehung zu bewegen, je nachdem, ob der Knopf zum Öffnen oder Schließen verwendet wird.
  16. Steuervorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass sie nur einen Drehknopf (68) umfasst, der in die eine oder die andere Richtung drehbeweglich ist, um die Öffnung oder die Schließung zu erzielen, wobei der Knopf zwei Betätigungselemente (69, 70) umfasst, die in zwei entgegengesetzte Drehrichtungen drehbeweglich und geeignet sind, mit dem Öffnungselement (15) bzw. der Gleitschiene (25) zusammenzuwirken.
  17. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie mindestens eine Fernbetätigungsspule (8) umfasst, wobei das Betätigungselement (19, 20) der Spule (7, 8) mit der Gleitschiene (25) mit Hilfe eines Trägers (24) zusammenwirkt, umfassend eine Palette (35), die frei drehbar um das Schließelement (12) montiert ist, wobei der Träger (24) einen Teil (36) umfasst, der mit einem Teil (37) der Gleitschiene (25) zusammenwirkt, so dass die Betätigung der Spule (8) mit Hilfe der Palette (35) zur Drehung des Trägers (24) und der Gleitschiene (25) und somit zur Drehung des Schließelements (12) führt.
  18. Steuervorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kurzschlussgerät ein Vakuumschalter oder ein Vakuumunterbrecher ist, und dass das Erdungsgerät ein Erdungstrennschalter ist.
  19. Elektrisches Mittelspannungsschutzgerät, umfassend ein Öffnungselement (15) und ein Schließelement (12), die geeignet sind, das Öffnen und Schließen der Kontakte zu steuern, dadurch gekennzeichnet, dass es eine Steuervorrichtung nach einem der Ansprüche 1 bis 18 umfasst.
  20. Elektrische Mittelspannungszelle, umfassend mindestens ein Gerät nach Anspruch 19.
EP13305104.5A 2012-04-10 2013-01-30 Steuervorrichtung für ein elektrisches Mittelspannungsgerät, und Gerät, das mit einer solchen Vorrichtung gesteuert wird Active EP2650892B1 (de)

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EP3109882A1 (de) * 2015-06-25 2016-12-28 Schneider Electric Industries SAS Verriegelungsvorrichtung

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CN105355520B (zh) * 2015-11-26 2017-12-12 成都九十度工业产品设计有限公司 一种按钮式断路器
CN105337189B (zh) * 2015-11-30 2017-07-28 浙江高压开关厂有限公司 一种固体绝缘环网柜用的操作机构箱
CN108122707B (zh) * 2017-11-22 2022-07-01 国家电网公司 三工位开关手动操动机构及三工位开关
FR3083366B1 (fr) 2018-06-29 2020-06-12 Socomec Dispositif de commande manuelle pour un inverseur de source manoeuvre a distance
CN109273313A (zh) * 2018-10-23 2019-01-25 深圳市英豪电力科技有限公司 一种三工位开关的弹簧操作机构
EP3693985B1 (de) * 2019-02-11 2022-11-09 ABB Schweiz AG Aktuator für einen mittelspannungsschutzschalter

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EP2172956B1 (de) * 2008-10-03 2013-02-13 Schneider Electric Industries SAS Mechanismus für den synchronisierten Betrieb des Schließens und Öffnens einer Schaltvorrichtung und Auswahlvorrichtung in einer Schalteinrichtung
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EP3109882A1 (de) * 2015-06-25 2016-12-28 Schneider Electric Industries SAS Verriegelungsvorrichtung
DE102015110216A1 (de) * 2015-06-25 2017-01-12 Schneider Electric Industries Sas Verriegelungsvorrichtung

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CN103367056A (zh) 2013-10-23
FR2989216A1 (fr) 2013-10-11
FR2989216B1 (fr) 2015-02-20
RU2013113558A (ru) 2014-10-10
ES2522565T3 (es) 2014-11-17
RU2619070C2 (ru) 2017-05-11
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