EP3756205A1 - Dispositif de réglage et procédé pour régler des mécanismes de dispositif de coupure - Google Patents

Dispositif de réglage et procédé pour régler des mécanismes de dispositif de coupure

Info

Publication number
EP3756205A1
EP3756205A1 EP19716791.9A EP19716791A EP3756205A1 EP 3756205 A1 EP3756205 A1 EP 3756205A1 EP 19716791 A EP19716791 A EP 19716791A EP 3756205 A1 EP3756205 A1 EP 3756205A1
Authority
EP
European Patent Office
Prior art keywords
vacuum interrupter
pressure spring
contact pressure
stroke
transmission element
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.)
Pending
Application number
EP19716791.9A
Other languages
German (de)
English (en)
Inventor
Jürgen EINSCHENK
Thomas Knabe
Sandro KÖHLER
Philipp Last
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP3756205A1 publication Critical patent/EP3756205A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H01H1/00—Contacts
    • H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
    • 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

Definitions

  • the invention relates to an adjustment for adjusting the stroke of a vacuum interrupter and the preload voltage of a vacuum interrupter associated Kunststoffbuchfe the, a switchgear, or a switching device with a sol chen adjustment and a method for adjusting the stroke of a vacuum interrupter and the bias of a the vacuum interrupter associated contact pressure spring.
  • variable-length links Either in the off position "OFF", in which the contacts of the respective associated vacuum interrupter do not electrically contact, the stop in this positi on for all poles changed simultaneously and set the stroke for all poles, or the tube stroke is for each one
  • An adjustment is effected by a one-time change in length of variable-length links, whereby these variable-length links have a constant length during operation, ie are not changed during operation
  • the contact force of the vacuum interrupter tube changes with it Hubs, that is, at an increase in the distance of the Kon contacts the vacuum interrupter in the off position "OFF" of the switching device mechanism.
  • the object of the invention is to overcome the disadvantages of the prior art and to provide a cost-effective and simpler and more efficient alternative.
  • One embodiment relates to a Einstellvorich- device for adjusting a stroke of a vacuum interrupter and a bias of the vacuum interrupter associated contact pressure spring of a switching device for medium voltage voltage switch and / or high voltage switch, the adjusting device is driven via a switch shaft, the switch shaft via a connecting element with a dele gation element is connected and the transmission element with a movable switching contact of a medium voltage scarf age and / or high voltage switch is connectable, wherein the transmission element is rotatably disposed and laterally displaceable along a recess in the connecting element and a contact pressure spring is arranged on the connecting element, that the contact pressure spring acting on a laterally ver sliding end of the transmission element and the ver sliding end of the transmission element, a first Endposi tion in a Ausscha lteten position and a second Endpo position in an on position of Heidelbergöme chanik occupies and by a switching process of Heidelberggerä temechanik the displaceable end of the first end position in the second end
  • This arrangement of the adjustable stop causes simultaneously with the stroke while the bias of the vacuum interrupter associated contact pressure spring is varied, but not the contact force, ie the force with which the Kon contacts the vacuum interrupter aufei by the contact pressure spring in the on position of the switching device pressed together.
  • the adjustable stop is formed by an eccentric or a displaceable elongated Anschlagele element.
  • the eccentric or the displaceable elongated stop element or the recess from a scale that provide an indication of the effect of the United We adjustment and the quantitative effect of the adjustment.
  • the eccentric has an unstructured surface for the stepless adjustment of the stroke of the vacuum interrupter and the prestress of the contact pressure spring associated with the vacuum interrupter.
  • the eccentric has a structured surface for stably adjusting the stroke of the vacuum switching tube and the bias of the vacuum interrupter zugeord Neten contact pressure spring.
  • the end face of the eccentric has a structured surface which allows a stepped adjustment of the stroke of the vacuum switching tube and the bias of the vacuum interrupter zugeord Neten contact pressure spring.
  • the structured surface of the Exzen ter is formed as a sprocket.
  • the eccentric has a non-structured surface for stepless adjustment and a structured surface for staged adjustment of the stroke of the vacuum interrupter and the bias of the vacuum interrupter to ordered contact pressure spring.
  • the adjustable stop is fixed by a locking means such that the adjustable stop not adjustable without releasing the locking means is adjustable.
  • the locking means by a bolt from and / or a bolt is or is formed and / or the locking means is formed by an addition to a central pivot point of the adjustable stop eccentric Absteckbolzen and / or a screw on the adjustable stop or becomes.
  • the contact pressure spring is or is formed with a compression spring and / or a tension spring.
  • the adjustable stop (280) be provided with a scale that correlates with a setting position of the stroke or the variation of the stroke of the vacuum interrupter (2).
  • the adjustable stop is provided with a scale which makes the setting position recognizable without having to measure the stroke of the vacuum interrupter.
  • Another embodiment relates to a switching system with one or more vacuum interrupters and a single Adjusting device according to one or more of the preceding embodiments.
  • Another embodiment relates to a switching device with one or more vacuum interrupters and an adjusting device A according to one or more of the preceding embodiments.
  • Another embodiment relates to a procedural ren for simultaneous setting of a stroke of a vacuum interrupter and bias of the vacuum interrupter associated contact pin arranged a switching device mechanism for medium voltage switch and / or high voltage switch, wherein an adjustment is driven by a switch shaft, the switch shaft via a connecting element with a transmission element is connected and the transmission element with a paid switch contact a medium voltage scarf age and / or high voltage switch is connectable, wherein the transmission element is rotatably arranged and laterally displaceable along a recess in the connecting element and a contact pressure spring is arranged on the connecting element, that the contact pressure spring on a laterally ver slidable end of the transmission element acts and the ver sliding end of the transmission element, a first Endposi tion in an ex switched position and a second Endpo position in an on position of Weg GmbHme chanik occupies and by a switching process of Heidelberggerä temechanik the displaceable end of the first end position in the second end position and / or second end position in the first end position can
  • the adjustable stop is adjusted when the switching device mechanism of an adjusting device is in the off position and / or secured in the off position. In this configuration, the setting of the stop against the preloaded contact pressure spring, so not forces freely.
  • the setting of the adjustable stop ver occurs without force.
  • Figure 1 Schematic representation of a switching kinematics ei ner vacuum interrupter tube from the prior art
  • Figure 2 Schematic representation of an inventive
  • Adjustment device for adjusting the stroke of a vacuum interrupter and the bias of a vacuum switch tube associated with the contact pressure spring egg ner switching device mechanism;
  • Figure 5 Schematic graphical representation of the cohesion of the spring force F of the spring position S.
  • the vacuum interrupter 2 has a fixed contact 410 and a moving contact 400.
  • the moving contact 400 is movable via the switching kinematics 4.
  • the switching kinematics 4 is driven via a switching shaft 100 and the switching movement is transmitted via a connecting element 200 with a contact pressure spring 250 and a transmission element 300 to the moving contact 400.
  • a first contact pressure spring guide 210 which can also be described as a contact pressure spring stop be securely holds the contact pressure spring 250 on the connecting element 200.
  • the connecting element 200 further has a recess 205 in which one end of the transmission element 300 is movably disposed and on the end of the Transmission element 300, the contact pressure spring 250 acts.
  • the switching kinematics 4 of Figure 1 has three adjustable bare length elements, the first adjustable length element Vi, the second adjustable length element V and the third adjustable length element V ver. Usually only one of the adjustable length elements Vi, V 2 , V per pole or switching kinematics is provided.
  • the contact force of the contact system of the vacuum interrupter 2 consisting of the Be wegutton 400 and the fixed contact 410 is changed.
  • the contact force decreases regularly at an increase in the stroke, that is at an increase in the distance of the Kon contacts the vacuum interrupter 2 in an off Stel development "OFF" the switching kinematics 4.
  • the arrow 101 points in Direction of the switch-on, that is, in this case, the shift shaft 100 is rotated counterclockwise to long from a switched-off position of the switching kinematics 4 in to an on position of the switching kinematics 4.
  • FIG. 2 shows a schematic representation of an inventions to the invention adjustment device 10 for adjusting the stroke H v of a vacuum interrupter 2 and the bias of a vacuum interrupter 2 associated contact pressure spring 250 a switching device. 5
  • the vacuum interrupter 2 has a fixed contact 410 and a moving contact 400.
  • the moving contact 400 is movable via the switching device mechanism 5.
  • the switching device mechanism 5 is driven via a switching shaft 100 and the Wennbe movement via a connecting element 200 with a contact pressure spring 250 and a transmission element 300 on the moving contact 400 transferred.
  • a first contact pressure spring guide 210 holds the contact pressure spring 250 securely on the connec tion element 200.
  • the connecting element 200 further has a recess 205, in the recess is a ver sliding end 310 of the transmission element 300 movably arranged and on the displaceable end 310 of the dele gation element 300 acts the contact pressure spring 250.
  • the arrow 101 points in the direction of the switch-on, that is, in this case, the switching shaft 100 is rotated clockwise against the clock to get from an off position OFF the switching mechanism 5 in a switched Stel development of the switching mechanism 5.
  • the switching device mechanism 5 further includes an adjustable stop 280, which leads out here in the form of an eccentric 282 is out.
  • the adjustable stop 280 determines a first end position 315 of the displaceable end 310 of the transmission element 300. Changing this first end position 315 by the adjustable stop 280 causes a change in the stroke H v of the vacuum interrupter 2, but not a change in the contact force of the contact system consisting of the moving contact 410 and the fixed contact 400, the vacuum interrupter 2 in which a switched ON position.
  • the recess 205 of the connec tion element 200 is here in the direction of the axis A of the connecting element Ver 200 elongated.
  • FIG. 3 shows a schematic representation of an inventions to the invention adjusting device 10 for gradually SET len the stroke H v of a vacuum interrupter 2 and the bias of the vacuum interrupter 2 associated contact pressure spring 250 a switching device mechanism 5 in an off position OFF.
  • the vacuum interrupter 2 has a fixed contact 410 and a moving contact 400.
  • the moving contact 400 is movable via the switching device mechanism 5.
  • the switching device mechanism 5 is driven via a switching shaft 100 and the switching movement via a connecting element 200 with a contact pressure spring 250 and a mecanicsele element 300 is transmitted to the moving contact 400.
  • a third con tact spring guide which can also be described as a cam, 220 for an optimized Power transmission from the Kon contact pressure spring 250 on a displaceable end 310 of the tragungselements over 300.
  • the connecting element 200 has wei ter via a recess 205, in the recess, the ver sliding end 310 of the transmission element 300 is movable arranged and on the displaceable end 310 of the dele gation element 300, the contact pressure spring 250 acts.
  • the arrow 101 points in the direction of the switch-on, that is, in this case, the switching shaft 100 is rotated clockwise against the clock to get from an off position OFF the switching mechanism 5 in a switched Stel development of the switching mechanism 5. Furthermore, the intermediate element arranged between the switching shaft 100 and the connecting element 200 has a position indicator 105 and a position scale 106, which make it possible to access the
  • the switchgear mechanism 5 further comprises an adjustable stop 280, which is designed here in the form of an eccentric 284 with a structured surface for stepped adjustment.
  • the adjustable stop 280 determines in the OFF position OFF a first end position 315 of the sliding ver end 310 of the transmission element 300.
  • a change of this first end position 315 by the verstellba Ren stop 280 causes a change in the stroke H v of the vacuum interrupter 2, but not a change in the contact force of the contact system, consisting of the moving contact 410 and the fixed contact 400, the vacuum interrupter. 2
  • the structured surface of the eccentric 284 for stepped adjustment allows a stepped adjustment of the first end position 315 of the transmission element 300, which leads to an adaptability in predetermined steps of the stroke H v of the vacuum interrupter 2.
  • the adjustable stop 280 has a Arre animal means 288, for example, a screw to prevent an unintentional United make the adjustable stop 280.
  • 4 shows a schematic representation of the inventions to the invention adjustment device 10 of the figure 3 in the on position "ON".
  • the arranged between the switching shaft 100 and the connecting element 200 intermediate element has a Stellungsindika gate 105 and a position scale 106, which make it possible to close the switch position, without having to see the Wegkontak- te.
  • the switch contacts 400, 410 in contact, the age and the switchgear mechanism 5 in the on position "ON".
  • the adjusting device 10 for gradually adjusting the stroke H V of a vacuum interrupter 2 and the bias of a vacuum interrupter, not shown, 2 associated con tact spring 250 a switching device mechanism 5 is thus shown in the ON position ON.
  • the vacuum interrupter 2 not shown here, has a fixed contact 410 and a moving contact 400.
  • the moving contact 400 is movable via the switching device mechanism 5.
  • the switching device mechanism 5 is driven via a switching shaft 100 and the switching movement via a connecting element 200 with a contact pressure spring 250 and a mecanicsele element 300 is transmitted to the moving contact 400.
  • a first con tact spring guide 210 and a second contact pressure spring guide 215 hold the contact pressure spring 250 securely on the connecting element 200.
  • a third contact pressure spring guide 220 for optimized power transmission from the contact pressure spring 250 to a displaceable end 310 of the transmission element 300.
  • the connecting element 200 ver ver added further on a recess 205, in the recess, the displaceable end 310 of the transmission element 300 is movably disposed and on the displaceable end 310 of the transmission element 300, the contact pressure spring 250 acts.
  • the switchgear mechanism 5 further comprises an adjustable stop 280, which is designed here in the form of an eccentric 284 with a structured surface for stepped adjustment.
  • the adjustable stop 280 determines in the OFF position OFF a first end position 315 of the sliding ver end 310 of the transmission element 300. In FIG. 4, however, the displaceable end 310 of the transmission element 300 is in a second end position 320, in which the displaceable end 310 of the transmission element 300 exerts no force on the adjustable stop 280.
  • a change in the first end position 315 by the ver adjustable stop 280 is powerless in the second end position 320 and causes a change in the stroke H v of the vacuum interrupter 2, but not a change in the contact force of the contact system, consisting of the moving contact 410 and the fixed contact 400, the vacuum interrupter 2.
  • the structured surface of the eccentric 284 for stepped adjustment allows a stepped adjustment of the first end position 315 of the transmission element 300, which leads to an adjustability in predetermined steps of the stroke H v of the vacuum interrupter 2.
  • FIG. 5 shows a schematic graphical representation of the relationship of the spring force F of the spring position S.
  • a first spring position Si is taken in the off Stel development OFF of Figure 2 or Figure 3.
  • a second spring position S2 is assumed in the switched-ON position.
  • the first spring force Fi in the first spring position Si is smaller than the second spring force F2 in than in the second spring position S2.
  • the adjustable stop 280 By the adjustable stop 280, the first Fe derposition Si to the first spring position Si 'can be adjusted, although the first spring force Fi to the first spring force Fi' changed is changed, but the second spring force F2 remains in the switched ten position remains the same. LIST OF REFERENCE NUMBERS
  • V2 Vi first adjustable length element; V2 second adjustable length element;

Landscapes

  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

L'invention concerne un dispositif de réglage (10) conçu pour régler une course (Hv) d'une ampoule à vide (2) et une prétension d'un ressort à pression de contact (250), associé à cette ampoule à vide (2), d'un mécanisme de dispositif de coupure (5) pour interrupteur moyenne tension et/ou interrupteur haute tension, le dispositif de réglage (10) pouvant être commandé par l'intermédiaire d'un arbre d'interrupteur (100), cet arbre d'interrupteur (100) étant relié à un élément de transmission (300) par l'intermédiaire d'un élément de liaison (200), et l'élément de transmission (300) pouvant être relié à un contact de commutation (400) d'un interrupteur moyenne tension et/ou d'un interrupteur haute tension, l'élément de transmission (300) étant agencé rotatif et de manière à pouvoir être déplacé latéralement le long d'un évidement (205) dans l'élément de liaison (200).
EP19716791.9A 2018-04-20 2019-03-20 Dispositif de réglage et procédé pour régler des mécanismes de dispositif de coupure Pending EP3756205A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018206166.1A DE102018206166B4 (de) 2018-04-20 2018-04-20 Einstellvorrichtung und Verfahren zum Einstellen von Schaltgerätemechaniken
PCT/EP2019/056954 WO2019201539A1 (fr) 2018-04-20 2019-03-20 Dispositif de réglage et procédé pour régler des mécanismes de dispositif de coupure

Publications (1)

Publication Number Publication Date
EP3756205A1 true EP3756205A1 (fr) 2020-12-30

Family

ID=66102643

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19716791.9A Pending EP3756205A1 (fr) 2018-04-20 2019-03-20 Dispositif de réglage et procédé pour régler des mécanismes de dispositif de coupure

Country Status (5)

Country Link
US (1) US11289290B2 (fr)
EP (1) EP3756205A1 (fr)
CN (1) CN112005329B (fr)
DE (1) DE102018206166B4 (fr)
WO (1) WO2019201539A1 (fr)

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Also Published As

Publication number Publication date
CN112005329B (zh) 2022-07-29
CN112005329A (zh) 2020-11-27
DE102018206166A1 (de) 2019-10-24
US20210241986A1 (en) 2021-08-05
WO2019201539A1 (fr) 2019-10-24
DE102018206166B4 (de) 2021-08-05
US11289290B2 (en) 2022-03-29

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