WO2018197196A1 - Interrupteur à vide - Google Patents

Interrupteur à vide Download PDF

Info

Publication number
WO2018197196A1
WO2018197196A1 PCT/EP2018/059084 EP2018059084W WO2018197196A1 WO 2018197196 A1 WO2018197196 A1 WO 2018197196A1 EP 2018059084 W EP2018059084 W EP 2018059084W WO 2018197196 A1 WO2018197196 A1 WO 2018197196A1
Authority
WO
WIPO (PCT)
Prior art keywords
support
bolt
vacuum switch
lever
sleeves
Prior art date
Application number
PCT/EP2018/059084
Other languages
German (de)
English (en)
Inventor
Marko-Boris Begovac
Volker Strehlow
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to DE112018002255.2T priority Critical patent/DE112018002255A5/de
Publication of WO2018197196A1 publication Critical patent/WO2018197196A1/fr

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
    • H01H33/46—Interlocking mechanisms
    • H01H33/50—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
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5822—Flexible connections between movable contact and terminal
    • 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
    • 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
    • H01H2033/6667—Details concerning lever type driving rod arrangements

Definitions

  • the invention relates to a vacuum switch.
  • Vacuum switches are typically used in applications with ⁇ telwoods Berlin, but also in high-voltage and low-voltage range ⁇ .
  • vacuum switches include a vacuum interrupter in which the contact system for opening and closing the circuit is located.
  • a support plate between the current band and the mechanically moving parts is mounted to avoid mechanical damage or deformation of the current band.
  • This support sheet is typically mounted between the power strip and a final contact of the support bolt of the vacuum tube, thus increasing the contact resistance of the AB ⁇ circuit contact to the current band.
  • the invention has for its object to provide a vacuum switch ter available, the current band is protected in an al ⁇ ternative execution from damage or deformation by kinematic drive parts. This object is achieved by the vacuum switch according to claim 1. Advantageous embodiments of the inventive he ⁇ vacuum switch are given in the dependent claims.
  • the vacuum switch for switching an electrical circuit comprising an evacuated tube, a fixed contact, a mounted on a mobile support bolt moving contact and a kinematics for moving the support pin between a first position in which the moving contact with the solid ⁇ contact mechanically cooperates to close the Stromkrei ⁇ ses, and a second position in which the moving contact me ⁇ chanically separated from the fixed contact for opening the circuit,
  • the kinematics includes a be ⁇ around a pivot point movable lever, which moves the movable support pin between ⁇ moves the first position and the second position moves, wherein the movable lever by means of a retaining pin ⁇ bar or directly attached to the support bolt, and wherein at the ends of the retaining bolt support sleeves are attached.
  • the respective diameter of the support sleeves is so large that the support sleeves both all parts of the fastening of the support bolt or the support bolt itself and all parts of the lever in all the lever positions between the first position and the second position in a direction perpendicular to the direction of the retaining bolt cover.
  • the inventive vacuum ⁇ switch provides more space for a larger cross section of the current band are available and thus a higher current can be driven over the plant. It requires less construction ⁇ parts and fixing the current band is simplistic ⁇ kindled. Fastening points in the installation and assembly steps as well as tools remain gene identical to previously known solutions. Furthermore, the lateral guidance of the movable Röh ⁇ ren-contact given.
  • the vacuum switch according to the invention it ⁇ laubt in its manufacture, a reduction in costs, as an expensive support plate can be omitted. Higher ratings of at ⁇ position are possible. Furthermore, can be used gen smaller ratings the solution in Anla ⁇ where previously
  • Support plates are used.
  • the vacuum switch of Weite ⁇ ren comprises a current band, which is in electrical contact with the support bolt, wherein the respective diameter of the support ⁇ sleeves is so large that the support sleeves both all parts of the attachment of the support bolt or the support bolt itself as well cover all parts of the lever in all lever positions zwi ⁇ tween the first position and the second position in Rich ⁇ tion of attachment of the power strip on the support pin and thereby the current band can run on movements on the support sleeves.
  • the current band is attached to a termination pad, which connects the support pin with the buildin ⁇ account the support bolt.
  • the movable lever is indirectly attached to the support bolt via a connecting rod and the
  • Support sleeves cover both all parts of the connecting rod and all parts of the lever in all the lever positions between the first position and the second position in a direction Rich ⁇ tion perpendicular to the direction of the retaining bolt.
  • the termination contact connects the connecting rod with the support bolt.
  • the support sleeves are each provided with a chamfer.
  • securing elements are mounted on the support sleeves, which prevent release of the support sleeves from the retaining bolt.
  • FIG. 1 shows a vacuum switch with an evacuated tube, and a fixed contact attached to a mobile supporting bolt ⁇ brought moving contact;
  • Figure 2 typical vacuum switch with support plate for Verhin ⁇ tion of the mechanical damage or deformation of a current band ⁇ ;
  • Figure 4 is a schematic representation of the retaining bolt with a movable lever, a connecting rod, a Ab ⁇ circuit contact, a support pin and a current ⁇ band.
  • FIG. 1 shows a vacuum switch 100 for switching a circuit.
  • the vacuum switch 100 comprises for this purpose a evaku ⁇ (7) tube 300, a fixed contact 500 and a mounted on a mobile support bolt 400 moving contact 410.
  • a kinematics 600 of the support bolt 400 may first between ei ⁇ ner position in which the moving contact 410 to the fixed contact 500 mechanically cooperates to close the circuit, and a second position in which the moving ⁇ contact 410 is mechanically separated from the fixed contact 500 to open the circuit to be moved.
  • the fixed contact 500, the moving contact 410 mechanically separated, so that no electric current can flow through the vacuum switch 100.
  • the bolt 400 can move the supporting between the first position and the second Stel ⁇ lung.
  • the kinematics 600 comprises a pivotable about a pivot D lever 610, which moves the movable support pin 400 between the first position and the second position and the second position, wherein the movable lever 610 by means of a retaining pin 631 with a
  • a support plate 900 is attached to the terminating contact 420 and in turn this two current bands 431, 432. Will now by the movable lever
  • the support plate 900 is disposed between the termination pad 420 and the Strombän ⁇ countries 431, 432, thus increasing the contact resistance ⁇ stand to the power bands 431 432nd
  • FIG. 3 illustrates the vacuum switch 100 according to the invention, wherein support sleeves 650 are attached to the ends of the retaining bolt 631.
  • the respective diameter of the Stützhül ⁇ sen 650 is formed so large that the support sleeves 650 so ⁇ well all parts of the attachment of the support bolt 400 and all parts of the lever 610 in all lever positions between the first position and the second position in a Rich ⁇ tion cover perpendicular to the direction of the retaining pin 631.
  • the arrangement of Current band 430 at the termination contact 420 is the direction perpendicular to the direction of the retaining pin 631 through the Rich ⁇ tion of the attachment of the current band 430 on the support bolt pre ⁇ give.
  • the vacuum switch 100 of the invention may further comprise Si ⁇ cherungsetti 640, which are mounted on the support sleeves 650 and prevent accidental release of the Stützhül ⁇ sen 650 from the retaining bolt 631st
  • the support sleeves 650 can be 651 verses ⁇ hen each with a chamfer, which prevent the running of the current band 430 is at the support sleeves 650 damage to the power strip 430th
  • FIG. 4 shows selected elements of the vacuum switch 100 according to the invention. These are the movable lever 610, which can be rotated about a pivot point D and is connected via a retaining bolt 631 to a connecting rod 630. The connecting rod 630 is in turn connected via a ⁇ Ab-circuit terminal 420 to the support pin 400 so that movement of the lever is transmitted to the supporting pin 400 610th Likewise, however, a design is conceivable in which the support pin 400 is directly connected to the retaining pin 631 and thereby directly and directly from the movable lever 610 can be actuated.
  • the current band 430 is attached to the termination pad 420 UNMIT ⁇ telbar.
  • a support plate 900 between ⁇ termination pad 420 and strip conductor 430 is by this construction of the Studentsgangswi- ⁇ resistor re prised between termination pad 420 and strip conductor 430th
  • the attachment of the current band 430 also gives the direction perpendicular to the direction of the retaining bolt 631 in which the protective sleeves 650 must be made so large that all parts of the attachment of the support bolt 400 or the support bolt 400 itself as well as all parts of the lever 610 in all Lever ⁇ positions between the first position and the second position are covered.
  • support sleeves 650 are used on the Hal ⁇ tebolzen. To ensure the mechanical protection of the power strip 430 of the diameter of the support sleeve 650 has been adjusted so that these protective ⁇ function is taken over by the support sleeves 650 alone.
  • the vacuum switch 100 can be produced more cheaply. A higher rating of the system is possible.
  • the vacuum switch 100 according to the invention can also be used in systems of smaller ratings, in which a piece of sheet 900 is used. Overall, fewer components are needed and the fixation of the current band 430 is simplified. Fixing points in the installation and assembly ⁇ steps and tools remain identical to conventional solutions. Furthermore, the lateral guidance of the movable tube contact is given. Overall, the inventiveness modern vacuum switch 100 allows more room for a larger cross-section of the current ⁇ band 430, thereby providing a higher current can be run through the system.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

L'invention concerne un interrupteur à vide servant à commuter un circuit électrique comprenant un tube dans lequel le vide a été fait, un contact fixe, un contact mobile installé sur un boulon de support mobile et une cinématique servant à déplacer le boulon de support. L'interrupteur à vide comprend du reste des douilles d'appui dont le diamètre respectif est si grand que les douilles d'appui recouvrent à la fois toutes les pièces de la fixation du boulon de support et toutes les pièces de la cinématique dans une direction.
PCT/EP2018/059084 2017-04-26 2018-04-10 Interrupteur à vide WO2018197196A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112018002255.2T DE112018002255A5 (de) 2017-04-26 2018-04-10 Vakuumschalter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017207039.0A DE102017207039A1 (de) 2017-04-26 2017-04-26 Vakuumschalter
DE102017207039.0 2017-04-26

Publications (1)

Publication Number Publication Date
WO2018197196A1 true WO2018197196A1 (fr) 2018-11-01

Family

ID=62062983

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/059084 WO2018197196A1 (fr) 2017-04-26 2018-04-10 Interrupteur à vide

Country Status (2)

Country Link
DE (2) DE102017207039A1 (fr)
WO (1) WO2018197196A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110176375B (zh) * 2019-07-01 2024-05-17 江苏大全高压开关有限公司 一种真空接触器调整工装

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153827A (en) * 1976-01-26 1979-05-08 Merlin Gerin Magnetic blow-out arc extinguishing device
JPH09147700A (ja) * 1995-11-21 1997-06-06 Fuji Electric Co Ltd 真空遮断器
EP1139367A1 (fr) * 2000-03-31 2001-10-04 Schneider Electric Industries SA Module de coupure comportant une ampoule à vide et des moyens de fixation, et appareillage electrique de coupure comportant un tel module
WO2006032626A1 (fr) * 2004-09-24 2006-03-30 Siemens Aktiengesellschaft Pole de commutation isole par une matiere solide et dote d'une liaison de contact mobile sur la face

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663906A (en) * 1969-10-09 1972-05-16 Gen Electric Electric circuit breaker with magnetically assisted closing means
KR910005759B1 (ko) * 1987-03-24 1991-08-02 미쓰비시덴기 가부시기가이샤 진공개폐기

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153827A (en) * 1976-01-26 1979-05-08 Merlin Gerin Magnetic blow-out arc extinguishing device
JPH09147700A (ja) * 1995-11-21 1997-06-06 Fuji Electric Co Ltd 真空遮断器
EP1139367A1 (fr) * 2000-03-31 2001-10-04 Schneider Electric Industries SA Module de coupure comportant une ampoule à vide et des moyens de fixation, et appareillage electrique de coupure comportant un tel module
WO2006032626A1 (fr) * 2004-09-24 2006-03-30 Siemens Aktiengesellschaft Pole de commutation isole par une matiere solide et dote d'une liaison de contact mobile sur la face

Also Published As

Publication number Publication date
DE102017207039A1 (de) 2018-10-31
DE112018002255A5 (de) 2020-01-16

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