EP0508041B1 - Schaltantrieb für elektrische Geräte der Mittelspannungstechnik - Google Patents

Schaltantrieb für elektrische Geräte der Mittelspannungstechnik Download PDF

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Publication number
EP0508041B1
EP0508041B1 EP92100546A EP92100546A EP0508041B1 EP 0508041 B1 EP0508041 B1 EP 0508041B1 EP 92100546 A EP92100546 A EP 92100546A EP 92100546 A EP92100546 A EP 92100546A EP 0508041 B1 EP0508041 B1 EP 0508041B1
Authority
EP
European Patent Office
Prior art keywords
lever
spring
switching
drive according
switching drive
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.)
Expired - Lifetime
Application number
EP92100546A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0508041A1 (de
Inventor
Horst Deharde
Rolf Dirks
Udo Tisch
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.)
Felten and Guilleaume Energietechnik AG
Original Assignee
Felten and Guilleaume Energietechnik 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 Felten and Guilleaume Energietechnik AG filed Critical Felten and Guilleaume Energietechnik AG
Publication of EP0508041A1 publication Critical patent/EP0508041A1/de
Application granted granted Critical
Publication of EP0508041B1 publication Critical patent/EP0508041B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • the invention relates to a switching drive for electrical devices in medium voltage technology according to the preamble of claim 1.
  • Such a switching drive is already known (DE-A-32 33 412). It is a spring-operated actuator for an electrical high-voltage switch.
  • the spring-loaded drive In addition to a closing spring that drives a switch shaft and thus the switch contacts of the high-voltage switch when it is switched on, the spring-loaded drive has a switch-off spring that drives the switch shaft when it is switched off. Due to this spring system it is possible to save an "OFF" circuit. However, this requires several hand movements. Safety-related self-controls are not provided for this spring-loaded drive.
  • New switchgear technologies particularly small and compact systems, place high demands on the associated switch drives. There is therefore a requirement to also accommodate the drive technology in the smallest space. This technique is expected to meet security related requirements.
  • the invention is therefore based on the object to simplify a switching drive of the type described in its switching operations, and to provide self-controlling mechanisms that close or release actuation openings depending on the switching operation, display clear switching positions and automatically lock the cable connection spaces.
  • the switching reliability in the interior of a switchgear is advantageously increased by a switch lock, which prevents the inevitable switch spring oscillation from being transmitted to the switch knives located in the switchgear during a switching process, and as close as possible to both the busbar contact and the ground contact due to possible swinging through, that a reignition or an earth fault occurs (claims 6 and 16).
  • a control sleeve with a lever system can be placed on the actuating shaft in order to be able to operate the switching drive with a manual advance control (claims 13 and 18).
  • This manual advance control prevents the switching blades of the switching device from swinging through and an immediate "OFF" switching is achieved by hand.
  • the switching drive has an actuating shaft 1 which is inserted in the end regions in each case in an actuating shaft bearing 41 .
  • a two-part shift spring lever 3a, b is fixedly connected to the actuating shaft 1 , the two parts 3a and 3b being arranged at a distance from one another.
  • the free ends of the parts 3a, b are connected by a spring suspension bolt 4 for a spring guide rod 5 .
  • the free end of this spring guide rod 5 is movably mounted in a further spring suspension pin 8 .
  • the spring guide rod is provided with elongated holes 5a at both ends.
  • a switch-on spring 6 is pushed onto the spring guide rod 5 , the freedom of movement of which is limited on one side by a guide disk 7 .
  • the spring suspension pin 8 rests in spring bearings 9 and 10 , which are designed as angled parts.
  • a liner 16 is slid onto which a rocker stop 18 , a switch-off spring lever 19 and a driving lever 27 are fastened. Furthermore, a driving segment 17 is connected to the liner 16 , which partially surrounds the liner.
  • the spring suspension bolt 4 protruding beyond part 3b of the switching spring lever 3 has a connecting bush 26 for a switch-off control lever 21 and a needle roller lever 22 .
  • the free end of the needle roller lever 22 carries a needle roller 23 , which is subordinate to the driving segment 17 .
  • a bearing pin 11 is inserted, at the free end of which a roller lever 13 is pivotally mounted.
  • a trigger roller 14 is attached to this roller lever 13 .
  • a switch-off spring 20 is connected on the one hand via a bolt to the front part of a U-shaped support frame 45 and on the other hand is hooked onto the switch-off spring lever 19 , for which the latter has a corresponding attachment option.
  • a return spring 50 is provided for the switch-off control lever 21 , the free end of which is connected to an elevator roller 49 for a tripped memory.
  • the roller lever 13 has a multi-angled shape, with one end being connected in an articulated manner to a trigger indicator 15 , while the other end is reinforced, and can engage in a half-wave contour of a trigger shaft 46 .
  • the trigger shaft 46 is fixedly connected to a trigger lever 47 , to which in turn a trigger pulse rod 48 is articulated.
  • the driving lever 27 is connected in an articulated manner to a driving rod 29 by means of a driving bolt 28 .
  • a screw connector 31 connects the free part of the driving rod 29 to a tab 30a of a box-shaped driving slide 30 , which in turn is penetrated by a recess 30b running perpendicularly and parallel to the operating side.
  • a driving axis 35 is arranged in the recess 30b without play.
  • the driving axis 35 fulfills a triple function here, so it establishes the connection to a switching shaft 38 via a two-part shift shaft lever 32 ; secondly, it is connected to a locking lever 33 for a cable connection space, a suspension bolt 34 being inserted in the locking lever 33 , and thirdly, the driving axis 35 establishes the connection to a cross slide 36 via a lever 36b .
  • the lever 36b has an elongated hole 36c in which the end of the driving axis 35 is movably guided.
  • the lever 36b is perpendicular to the cross slide 36 and is firmly connected to it.
  • the cross slide also serves as a switch position indicator and has an elongated hole 36a on the operating side.
  • the end of the driving axis 35 is closed by a non-retractable securing cap 37 .
  • the parts of the selector shaft lever 32 are arranged one above the other, the upper part of the selector shaft lever 32 being firmly connected to a clamping bush 39 .
  • the switching shaft 38 is detachably connected to the clamping bush 39 by means of a clamping screw 40 .
  • the switching shaft 38 establishes the connection to the switching knives of the switching device.
  • an S-shaped cam lever is pivotally used for the trip memory.
  • the cam lever 12 is tensioned by a spring 51 , the free end of which is hooked onto the spring bearing 10 .
  • the free end of the cam lever 12 lies against the elevator roller 49 .
  • the actuating shaft 1 has a stop 2 which corresponds to a stop screw 44 which is inserted in a stop holder 42 . Between the stop 2 and the stop holder 42 44 disc springs 43 are pushed onto the stop screw.
  • the entire switching drive is inserted in the U-shaped support frame 45 , the stop holder 42 being firmly connected to this support frame.
  • the actuating shaft 1 has a slot 85 behind the contour for the actuating lever for blocking by the cross slide 36 .
  • connections of the assembled components are held and secured via disks and push-through pins 86 .
  • a control sleeve 62 can be placed on the actuating shaft 1 and , like the actuating shaft , has an insertion opening 62a and a slot 62b .
  • This control sleeve 62 has a sleeve lever 63 , the free end of which is provided with a driving pin 69 .
  • the control sleeve 62 is equipped with a spring lever 64 for a return spring 78 .
  • a control cam 67 is formed on the control sleeve 62 .
  • the control shaft 65 has a cam lever 66 which corresponds to the control cam 67 .
  • the control shaft 65 is provided with a threaded tube 61 , into which an adjustable stop screw 60 can be screwed.
  • the threaded tube has a return spring 68 which is provided for the stop screw 60 and the cam lever 66 .
  • the stop screw 60 stands under the rocker stop 18 .
  • the driving pin 69 is used to take a transmission lever 70 which is firmly connected to a running sleeve 72 .
  • the running sleeve 72 is in turn placed on a movable receiving axis 71 .
  • the sleeve 72 has adjusting screws 73 for the angular position of the transmission lever 70 .
  • Another transmission lever 74 is fixedly connected to the receiving axis 71 and is articulated to a connecting rod 76 via a driving pin 75 (shown in FIG. 2).
  • This connecting rod 76 has a return spring 77 .
  • a rocker switch 81 is designed as a two-armed lever and is fixedly connected to a bushing 79 , which is pushed onto an actuating shaft 80 for an earthing switch.
  • the rocker switch 81 is designed as a two-armed lever, with one end carrying a release pin 82 which presses the switch-off control lever 21 (shown in FIG. 1) and the other end is connected to the connecting rod 76 via a drive pin 83 .
  • the switching drive works as follows:
  • An operating lever (not shown) is in the front driving contour the actuating shaft 1 inserted.
  • the closing spring 6 is moved via the switching spring lever 3 and the Federauf Wegbolzen 4 in the dead center position.
  • the needle roller 23 lies in front of the driving segment 17 and moves the parts connected to it, such as the bushing 16 , the rocker stop 18 and the switch-off spring lever 19 , as well as the switch-off control lever 21 , the needle roller lever 22 , the needle roller 23 , the adjusting bolt 24 with the adjusting screw 25 and the connecting bush 26 , the driving lever 27 and the driving rod 29 also in a right turn.
  • the opening spring 20 is suspended by a bolt in the front part of the U-shaped support frame 45 and tensioned in its switching force.
  • the inner switching device is "ON” - the switch-off spring 20 is connected via the switch-off spring lever 19 to the bushing 16 , the driving segment 17 , the switch-off control lever 21 , the needle roller lever 22 , the needle roller 23 .
  • the switch-off spring 20 is fully tensioned and "OFF" ready for switching.
  • the trigger shaft 46 With a mechanical short pulse (fuse) or electrical Short pulse (shunt release, undervoltage release), the trigger shaft 46 is turned to the left via the trigger lever 47 and the trigger pulse rod 48 .
  • the half-wave contour of the trigger shaft 46 releases the contour of the roller lever 13 in the lower region, so that the trigger roller 14 is struck against the arc contour of the switch-off control lever 21 by the tension force of the spring 51 , and thus drives out the needle roller 23 under the driving segment 17 and thus the tensioned held switch-off spring 20 with the connected driving lever 27 , the driving rod 29 and the subsequent components releases.
  • interlocks and displays must always be controlled by the control shaft 38 , which are non-positively connected to the internal switching blades of the switching device. This takes place via the selector shaft 38 , the clamping bush 39 , the clamping screw 40 , the selector shaft lever 32 and the driving axis 35 according to the switch position indicator 36 , which simultaneously locks the earth drive through the slots 85 in the actuating shafts 1 and 80 in the front area when actuated of the switching device after "ON" the same, not shown in Fig. 1, the actuating shaft 80 for the earthing drive with the passage into the slot 85 of the actuating shaft 80 for the earthing, closes it, so that manual operation is not possible. The same process takes place in reverse when the earth switch is "ON".
  • the triggered display is made via the triggered indicator 15 .
  • the locking lever 33 is non-positively actuated by the switching shaft 38 , and an inner closure is reached in the cable connection space, which allows the cable space closure flap to be removed (not shown) only when the switching device "OFF" and the earthing switch "ON" are switched on.
  • the transmission lever 70 and 74 and the connecting rod are moved so that the rocker switch 81 rotates on the actuating shaft 80 with its release bolt 82 statically pressing on the contour of the opening control lever 21 such that the needle roller 23 is driven out under the driving segment 17 .
  • the vibration lock with the control shaft 65 , the threaded tube 61 and the stop screw 60 falls under the vibration lock stop 18 and locks the bushing 16 , the driving segment 17 , the driving lever 27 , the driving rod 29 , the box-shaped driving slide 30 and the driving axis 35 such that when the earth drive is switched "ON" with its closing spring 6, the relaxed opening spring 20 cannot oscillate.
  • the vibration lock acts in the same way when the earth drive is switched "OFF". After this "OFF" switching, the switching device can be switched “ON” again.
  • the control sleeve 62 is rotated with its components to the right beforehand, the control cam 67 moving the cam lever 66 with the control shaft 65 , the threaded tube 61 and the stop screw 60 to the right and releasing the rocker stop 18 in advance of the rotation of the drive shaft 1 .
  • the switching drive can be switched "ON".

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Relay Circuits (AREA)
  • Keying Circuit Devices (AREA)
  • Electronic Switches (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Radiation-Therapy Devices (AREA)
  • Electroluminescent Light Sources (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Mechanical Operated Clutches (AREA)
EP92100546A 1991-04-12 1992-01-15 Schaltantrieb für elektrische Geräte der Mittelspannungstechnik Expired - Lifetime EP0508041B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4111942 1991-04-12
DE4111942A DE4111942A1 (de) 1991-04-12 1991-04-12 Schaltantrieb fuer elektrische geraete der mittelspannungstechnik

Publications (2)

Publication Number Publication Date
EP0508041A1 EP0508041A1 (de) 1992-10-14
EP0508041B1 true EP0508041B1 (de) 1994-08-31

Family

ID=6429435

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92100546A Expired - Lifetime EP0508041B1 (de) 1991-04-12 1992-01-15 Schaltantrieb für elektrische Geräte der Mittelspannungstechnik

Country Status (7)

Country Link
EP (1) EP0508041B1 (es)
AT (1) ATE110879T1 (es)
DE (2) DE4111942A1 (es)
DK (1) DK0508041T3 (es)
ES (1) ES2061282T3 (es)
FI (1) FI104660B (es)
NO (1) NO305010B1 (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519168C1 (de) * 1995-05-24 1996-08-08 Felten & Guilleaume Energie Lasttrennschalter-Sicherungs-Kombination
CN103745872A (zh) * 2013-12-24 2014-04-23 上海天灵开关厂有限公司 分段式负荷开关机构

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19900219B4 (de) * 1999-01-07 2006-07-20 Fritz Driescher KG Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co Verriegelungsvorrichtung
DE19904931C2 (de) * 1999-02-06 2001-11-29 Felten & Guilleaume Ag Schaltantrieb für einen Leistungstrennschalter
CN103871759B (zh) * 2014-03-26 2015-09-23 双城市机电技术开发有限公司 有载分接开关的弹簧储能装置
CN104616916B (zh) * 2014-12-22 2016-11-23 施耐德万高（天津）电气设备有限公司 可实现三种状态的开关电器的操作机构
DE102020202595B4 (de) 2020-02-28 2025-02-27 Siemens Aktiengesellschaft Bedieneinheit für einen Erdungsschalterantrieb einer luftisolierten Schaltanlage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1588305A1 (es) * 1967-02-23
DE3233412C2 (de) * 1982-09-09 1985-08-22 BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau Federkraftantrieb für einen elektrischen Hochspannungsschalter
DE9014832U1 (de) * 1990-10-26 1991-03-14 Felten & Guilleaume Energietechnik AG, 51063 Köln Sprungantrieb für Mittelspannungsschaltanlagen
DE9104477U1 (de) * 1991-04-12 1991-05-29 Felten & Guilleaume Energietechnik AG, 5000 Köln Schaltantrieb für elektrische Geräte der Mittelspannungstechnik

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19519168C1 (de) * 1995-05-24 1996-08-08 Felten & Guilleaume Energie Lasttrennschalter-Sicherungs-Kombination
CN103745872A (zh) * 2013-12-24 2014-04-23 上海天灵开关厂有限公司 分段式负荷开关机构

Also Published As

Publication number Publication date
FI104660B (fi) 2000-03-15
DE59200427D1 (de) 1994-10-06
NO920345D0 (no) 1992-01-27
DK0508041T3 (da) 1995-01-09
NO920345L (no) 1992-10-13
NO305010B1 (no) 1999-03-15
ATE110879T1 (de) 1994-09-15
ES2061282T3 (es) 1994-12-01
FI921613A7 (fi) 1992-10-13
FI921613A0 (fi) 1992-04-10
EP0508041A1 (de) 1992-10-14
DE4111942A1 (de) 1992-10-15

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