EP0796501A1 - Mecanisme de commande pour disjoncteur a trois positions pour appareillages de commutation moyenne tension - Google Patents

Mecanisme de commande pour disjoncteur a trois positions pour appareillages de commutation moyenne tension

Info

Publication number
EP0796501A1
EP0796501A1 EP95940160A EP95940160A EP0796501A1 EP 0796501 A1 EP0796501 A1 EP 0796501A1 EP 95940160 A EP95940160 A EP 95940160A EP 95940160 A EP95940160 A EP 95940160A EP 0796501 A1 EP0796501 A1 EP 0796501A1
Authority
EP
European Patent Office
Prior art keywords
shaft
isolator
drive
earth
locking
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.)
Granted
Application number
EP95940160A
Other languages
German (de)
English (en)
Other versions
EP0796501B1 (fr
Inventor
Jens Meyer
Peter Schmitt
Rainer Poth
Thilo Affolder
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP0796501A1 publication Critical patent/EP0796501A1/fr
Application granted granted Critical
Publication of EP0796501B1 publication Critical patent/EP0796501B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01H3/3047—Power arrangements internal to the switch for operating the driving mechanism using spring motor adapted for operation of a three-position switch, e.g. on-off-earth

Definitions

  • the invention relates to a three-position switch drive for medium-voltage switchgear with a switch shaft that can be rotated into the switch positions ON, OFF, EARTH, the switch shaft being operable manually from OFF to ON and from OFF to EARTH and vice versa.
  • Such a three-position switch drive is known from EP 0 110 082 B1.
  • a so-called memory drive for triggering automatically acting fuses and / or shunt releases and a so-called snap drive for manually controllable triggering of a switching from ON to OFF or vice versa are provided here as drive modules.
  • the switching axis can be controlled from a middle position OFF either in one direction to the ON position and in the opposite direction to the EARTH position.
  • the isolator function and the earthing function are therefore distinguished by different directions of rotation.
  • the object on which the invention is based is to define a three-position switch drive which visibly its manual operability is operated much more safely and is constructed much more simply, and its design is not affected by the installation environment of the three-position switch - air-insulated, protective gas insulated. According to the invention, this is achieved by the following features:
  • the three-position switch drive is implemented by a step-by-step gearbox, the rotatable switching shaft of which is formed by an actuating shaft isolator and by an actuating shaft earth electrode,
  • the actuating shaft earth electrode is gear-coupled to the actuating shaft isolator, the actuating shaft isolator being fixedly connected to a drive disk with driving pins symmetrically opposed to one another,
  • the drive pins engage in shifting gates of a shifting slide arranged behind the drive disk in such a way that a directed input rotary movement of the drive disk causes a directed linear movement of the shifting slide and, with the engagement of a driving pin in a locking contour of the shifting shifting gate, locks the reached switch position is reached,
  • the switching slide preferably has driver pins arranged longitudinally symmetrically, which are guided through a linearly positioned base plate within a stationary base plate and adapted to the contour of the driver pins,
  • one of the driving pins engages in a longitudinal groove of an output lever arranged behind the base plate in such a way that an output shaft rigidly connected to the output lever, preferably arranged in the plane of the actuating shaft isolator and earthing electrode, converts the directional input rotary movement of the drive disk into an output Converts rotary motion with a defined angle of rotation.
  • the drive of the three-position switch constitutes a relatively simple, compactly designed switching assembly due to the gear-coupled actuating shafts, which transmit their directional input rotary movements to an output shaft equally assigned to both actuation shafts as a directional output rotational movement with a defined angle of rotation ensure the safe drive - manual and automatic - for the three-position switch regardless of its installation position.
  • the actuating shaft isolator is rigidly connected to a cam with guideways
  • the pointer isolators / earth electrodes are each equipped with a fixed stop bolt for locking an aperture lock that can be controlled by a locking shaft. there would be access to the actuating shaft isolator / earth electrode.
  • the locking shaft is positively connected to the aperture lock in such a way that a rocker arm which produces an electrical output signal and a locking lever which produces a mechanical output signal is connected by the action of a respective one
  • the locking shaft can be locked by means of a cross bolt through a mechanically acting input signal
  • the form-fitting shutter connected to the locking shaft causes the release of an actuation opening to be blocked when the locking shaft is locked.
  • the three-position switch drive can be functionally linked to other switching devices, for example to ensure that the three-position switch is actuated in the no-load state.
  • the input signal prevents the actuation of the three-position switch by engagement of a contour in the cross bolt of the locking shaft.
  • the output signal is provided for reporting the actuation state of the three-position switch to other switching devices.
  • the drive pulley can be controlled by a gear-coupled electric motor drive, 4.2. the electric motor drive can be driven in both directions of rotation, 4.3. the electric motor drive engages with one of the actuating shaft isolators / electrodes in a gear-coupled manner.
  • the three-position switch drive is implemented in the disconnector function from the switch position OFF to ON or ON to OFF by a right turn or by a left turn of the actuating shaft isolator by 180 °,
  • the three-position switch drive is realized in the earthing function from the switch position OFF to ON or ON to OFF by a right turn or by a left turn of the actuating shaft earthing by 180 °.
  • FIG. 1 shows the side view of the complete three-position switch drive in a simplified functional representation
  • FIGS. 2 to 7 the different movement sequences of the
  • FIG. 1 shows the three-position switch drive, which contains the stepping transmission SSG as an essential component.
  • the essential components of the SSG step-change gear include the ABW output shaft and the ABH output lever attached to it, the GRP base plate and the guide grooves (not visible here), the SSC shift slide with its SKU shifting gates and the two drive pins MB1, MB2, and the actuating shaft isolator BWT and the actuating shaft earth electrode BWE, as well as the drive pulley ANS firmly connected to the actuating shaft isolator BWT with its two driving pins TZ1, TZ2 (FIGS. 2 to 7).
  • the output shaft ABW can be actuated in two directions of rotation DRW, one direction of rotation for the isolating function T and the opposite direction of rotation for the earthing function E is provided.
  • both actuating shafts, the actuating shaft separator BWT and the actuating shaft earth electrode BWE lead through unspecified support bearings into the left area of the illustration in order to be able to be rotated manually from the front by a corresponding handling device.
  • the three-position switch drive is provided with a locking shaft VRW, which acts with its transverse bolts on a locking lever VRH and a rocker arm KHB.
  • the shutter BLV can be controlled, the task of which is to close or release the actuating openings for the isolator and earth electrode if necessary.
  • the display shaft isolator AWT and the display shaft earth electrode AWE are shown, which are connected to corresponding pointers, ZGT pointer isolators and CGU pointer earth electrodes and together via the cam disc KVS by means of the corresponding control lever isolator / earthing electrode SHT / E can be controlled.
  • the display shaft isolator AWT and the display shaft earth electrode AWE are connected with corresponding deflection levers ULT, ULE in such a way that the lateral deflection of the control lever isolator / earthing electrode SHT / E in a rotary movement to actuate the corresponding one Display shaft isolator / earth electrode AWR / E can be controlled.
  • the three-position switch drive essentially shows the movable parts, while the structural design of the housing with the support bearings has been dispensed with.
  • the sectional planes AA, BB and CC are provided for understanding the individual functional sequences which include the following FIGS. 2 to 15.
  • FIG. 2 in the sectional plane A-A shows the gear-coupled actuating shaft isolator BWT and the actuating shaft earth electrode BWE, which act on the common drive pulley ANS.
  • Behind the drive pulley ANS is the horizontally deflectable switching slide SSC, which engages with its two drive bolts MB1, MB2 through the corresponding grooves FN1, FN2 of the base plate GRP in the slot contour of the output lever ABH, which is not described in more detail.
  • the output lever ABH is firmly connected to the output shaft ABW and carries out the rotary movement, which is caused by the respective actuating shaft separator / earth electrode BWT / E, by means of a direction-controlled rotation with a fixed predetermined angle of rotation. Furthermore, it can be seen that the switching carriage SSC is provided with the switching link SKU, in the contour of which the two driving pins TZ1, TZ2 of the drive pulley ANS engage.
  • FIGS. 2 to 5 show the individual switching states, with FIG. 2 showing the locked state with the switching position OFF, FIG. 3 representing the leaving of the locking area and the beginning of the output movement, and FIG. 4 the end of the output movement with the Beginning the lock and Figure 5 finally shows the switch position ON in the locked state.
  • the input rotary movement of the actuating shaft isolator / earth electrode BWT / E is transmitted to the drive pulley ANS.
  • the driving pins TZ1, TZ2 of the drive pulley ANS engage in the shifting gate SKU of the shifting carriage SSC and transport the shifting carriage SSC according to the horizontal movement HBG (FIG. 2) as described.
  • the driving pins TZ1, TZ2 hold the switching carriage SSC in its ON position in the locked state (FIG. 5).
  • the first driver pin MB1 of the switching carriage SSC engages in the driver contour of the output lever ABH (not shown) and conveys the output shaft ABW (FIG. 1) by the angle of rotation DRW (FIG. 1) to the corresponding end position.
  • the stroke movement of the switching carriage SSC is thus converted into the rotary movement of the output shaft ABW.
  • the output shaft ABW (FIG. 1) can be plugged in such a way that either the first driver pin MB1, shown above, or the second driver pin MB2, shown below, engages in the output lever ABH.
  • FIGS. 8 to 15 show more details of the locking of the three-position switch drive and its switch position indicator.
  • the essential components for this function are, according to FIG. 8 and the following, the cam disc KVS with the corresponding control lever isolator / earth electrode SHT / E with the respective guide pin isolator / earth electrode FST / E and the corresponding control lever isolator / earth electrode SHT / E with their ULT / E reversing lever separator / earthing device and finally the AWT / E rotating indicator shaft separator / earthing device as well as their ZGT / E pointer separator / earthing device with BLV shutter responsible.
  • the internal locking prevents incorrect operation of the three-position switch drive.
  • the switch position indicator also visually and electrically indicates the switch status of the three-position switch.
  • the functional sequence takes place through the rotary movement of the cam disc KVS, which deflects the control lever isolator / earth electrode SHT / E and its corresponding bellcrank isolator / earth electrode ULT / E according to FIGS. 8 to 11.
  • the corresponding display shaft isolator / earth electrode AWT / E transmits this movement to the pointer isolator / earth electrode ZGT / E for visual display on signaling switches (not shown here) in order to generate an electrical switching position signal.
  • a malfunction is indicated during an incomplete switching operation in that the pointer separators / earth electrodes ZGT / E do not display the bar markings in the horizontal or vertical state.
  • the access to the actuating shaft which does not contribute to the completed shuttering action, is closed by the shutter BLV.
  • FIG. 13 it can be seen in FIG. 13 that only the actuation opening isolator BIT is released in order to transfer the actuation shaft isolator BWT - as shown in the example - from the switch position OFF to the switch position ON.
  • the release of the respective actuation opening isolator / earth electrode BTT / E takes place depending on the corresponding switch position of the three-position switch.
  • the locking shaft is used to functionally link the three-position switches in connection with their different switching positions with other switching devices VRW provided with the form-locking coupled shutter BLV, as well as the locking lever VRW and the rocker arm KHB according to Figure 1.
  • the locking lever VRH is used to lock the locking shaft VRW, while the rocker arm KHB can control other electrical output signals due to its deflection.
  • the locking lever VRH and the rocker arm KHB are controlled by the cross bolts QB1, QB2 of the locking shaft VRW or act accordingly on the locking shaft VRW. If the locking lever VRH is prevented from reaching the dot-dash position, the rotary movement of the locking shaft VRW is blocked.
  • the shutter Since the shutter is also positively connected to the locking shaft, the shutter BLV is also blocked and the release of the actuating opening isolator / earner BTT / E is prevented.
  • the locking shaft VRW To release one of the actuating opening isolators / earth electrodes BTT / E (FIG. 13), the locking shaft VRW must be rotated to the right or left depending on the desired switching action - initiation of the isolator function or initiation of the earthing function. With this measure, the different locking conditions for the isolator and the earth electrode can be queried.
  • the rotary movement of the locking shaft VRW can be used for an electrical and a mechanical output signal.
  • the cross pin QB1 is provided and, when the locking shaft VRW is turned, actuates the rocker arm KHB.
  • this rocker arm can actuate electrical switches, for example, in a manner not shown, and thus control electrical output signals.
  • the VRH locking lever can also cause mechanical output signals for the different switching states of the three-position switch.

Landscapes

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

Abstract

L'invention concerne un mécanisme de commande pour disjoncteur à trois positions pour appareillages de commutation moyenne tension, comportant un arbre de commande pouvant être amené par rotation dans les positions de commutation suivantes: MARCHE, ARRET, TERRE. L'arbre de commande est actionnable manuellement de la position ARRET dans la position MARCHE et de la position ARRET dans la position TERRE et inversement. Le mécanisme de commande pour disjoncteur à trois positions se compose sensiblement d'un mécanisme d'avancement pas à pas (SSG) et comporte un sectionneur à arbre d'actionnement (BWT) et une électrode de mise à la terre à arbre d'actionnement (BWE) qui sont accouplés par roues dentées et reliés de manière fonctionnelle à un arbre de sortie (ABW) commun, et qui comportent en outre un système de verrouillage de position interne et des indicateurs de position de type mécanique et électrique. Ce type de mécanisme de commande pour disjoncteur à trois positions s'utilise dans des appareillages de commutation moyenne tension.
EP95940160A 1994-12-05 1995-11-30 Mecanisme de commande pour disjoncteur a trois positions pour appareillages de commutation moyenne tension Expired - Lifetime EP0796501B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4445081A DE4445081C1 (de) 1994-12-05 1994-12-05 Dreistellungsschalterantrieb für Mittelspannungsschaltanlagen
DE4445081 1994-12-05
PCT/DE1995/001765 WO1996018200A1 (fr) 1994-12-05 1995-11-30 Mecanisme de commande pour disjoncteur a trois positions pour appareillages de commutation moyenne tension

Publications (2)

Publication Number Publication Date
EP0796501A1 true EP0796501A1 (fr) 1997-09-24
EP0796501B1 EP0796501B1 (fr) 1998-04-15

Family

ID=6536127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95940160A Expired - Lifetime EP0796501B1 (fr) 1994-12-05 1995-11-30 Mecanisme de commande pour disjoncteur a trois positions pour appareillages de commutation moyenne tension

Country Status (4)

Country Link
EP (1) EP0796501B1 (fr)
CN (1) CN1050217C (fr)
DE (2) DE4445081C1 (fr)
WO (1) WO1996018200A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19817938B4 (de) * 1998-04-17 2004-07-15 Siemens Ag Dreistellungsschalterantrieb für Schaltanlagen der Energieversorgung und -verteilung
DE19902728A1 (de) * 1999-01-19 2000-07-20 Siemens Ag Schaltstellungsanzeigen und -verriegelungen für Leistungsschalteranlagen
DE102004015386B4 (de) * 2003-03-26 2008-10-30 Abb Technology Ag Mechanische Steuerung für einen Dreistellungsschalter
DE102008026798B3 (de) * 2008-06-02 2009-07-30 Siemens Aktiengesellschaft Antriebssystem für elektrische Schaltgeräte
DE102009049342B4 (de) * 2009-10-14 2012-09-06 Abb Technology Ag Mittelspannungsschaltanlage mit Last- und Trennschaltern und die Trennposition enthaltenden Drei-Stellungs-Schaltern
CN103177888B (zh) * 2011-12-21 2015-07-22 西门子公司 互锁装置
CN103165311B (zh) * 2012-12-24 2016-03-16 宁波优维电力科技有限公司 一种电气联锁机构
CN103165312A (zh) * 2012-12-24 2013-06-19 刘晓颖 一种联锁机构
CN103177889B (zh) * 2012-12-24 2016-08-03 宁波优维电力科技有限公司 一种电气联锁机构
CN103177901B (zh) * 2012-12-24 2015-12-09 宁波优维电力科技有限公司 一种三工位开关操作机构
CN103166143B (zh) * 2012-12-24 2015-12-09 宁波优维电力科技有限公司 一种固体绝缘环网柜
CN104051179B (zh) * 2014-06-24 2017-01-25 赫兹曼电力（广东）有限公司 开关柜分离式隔离/接地三工位开关操作机构
CN105529646B (zh) * 2016-02-06 2018-05-08 北京清畅电力技术股份有限公司 环保型气体开关柜
CN108538676B (zh) * 2018-06-19 2023-12-01 青岛特锐德电气股份有限公司 三工位开关操作机构联锁装置
WO2020200951A1 (fr) * 2019-03-29 2020-10-08 Siemens Aktiengesellschaft Système de ressorts pour un système d'entraînement à couplage, système de ressorts à couplage, système d'entraînement à couplage et système de ressorts et appareillage pourvu d'un tel système d'entraînement
CN112928625B (zh) * 2021-01-21 2022-08-23 浙江高正电气有限公司 中置柜安全防护系统
CN113675030B (zh) * 2021-08-23 2023-09-22 珠海优特电力科技股份有限公司 隔离接地刀闸
CN114420476B (zh) * 2021-12-21 2024-07-12 河南平高通用电气有限公司 户外三工位开关操作机构

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3239839C1 (de) * 1982-10-27 1984-03-01 Siemens AG, 1000 Berlin und 8000 München Antrieb fuer einen elektrischen Dreistellungsschalter
DE4034084A1 (de) * 1990-10-26 1992-04-30 Felten & Guilleaume Energie Sprungantrieb fuer mittelspannungsschaltanlagen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9618200A1 *

Also Published As

Publication number Publication date
WO1996018200A1 (fr) 1996-06-13
CN1172548A (zh) 1998-02-04
DE59501939D1 (de) 1998-05-20
DE4445081C1 (de) 1996-04-11
CN1050217C (zh) 2000-03-08
EP0796501B1 (fr) 1998-04-15

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