EP0417015B1 - Steuermechanismus für einen multipolaren Hochspannungsschalter - Google Patents

Steuermechanismus für einen multipolaren Hochspannungsschalter Download PDF

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Publication number
EP0417015B1
EP0417015B1 EP19900420379 EP90420379A EP0417015B1 EP 0417015 B1 EP0417015 B1 EP 0417015B1 EP 19900420379 EP19900420379 EP 19900420379 EP 90420379 A EP90420379 A EP 90420379A EP 0417015 B1 EP0417015 B1 EP 0417015B1
Authority
EP
European Patent Office
Prior art keywords
crank
shaft
operating
motor unit
geared motor
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
EP19900420379
Other languages
English (en)
French (fr)
Other versions
EP0417015A1 (de
Inventor
Robert Micoud
Michel Berne
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.)
Schneider Electric SE
Original Assignee
Schneider Electric SE
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 Schneider Electric SE filed Critical Schneider Electric SE
Publication of EP0417015A1 publication Critical patent/EP0417015A1/de
Application granted granted Critical
Publication of EP0417015B1 publication Critical patent/EP0417015B1/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
    • 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
    • H01H33/022—Details particular to three-phase circuit breakers

Definitions

  • the object of the invention is to provide a simple and reliable control mechanism for a high voltage switch or circuit breaker.
  • the mechanism according to the invention is characterized in that the cocking crank is mounted loosely on a cocking shaft by cooperating with the stoppers for driving the first control crank, that the telescopic guide generates during the arming operation of the spring, a temporary holding torque of the first and second cranks in their initial state until the toggle break, that the second control crank has a stop surface cooperating in position d opening with a second end-of-travel stop, and that the control means of the cocking crank comprise a transmission mechanism controlled either automatically by a geared motor unit, or manually by a shaft coupled to an emergency control by a rod .
  • the transmission mechanism is connected to the gearmotor block by a kinematic link, arranged to authorize automatic maneuvers by the gearmotor block without reaction on the shaft of the emergency control, and conversely manual maneuver by l '' emergency control shaft without causing forced rotation of the output shaft of the geared motor unit.
  • a cam intended to cooperate with a microswitch device to interrupt the electrical orders transmitted to the geared motor unit in the event of manual actuation of the rod of the emergency control.
  • This control mechanism is particularly suitable for a three-phase switch on the pole of an overhead electrical network.
  • Figure 1 shows a three-phase electrical device, in particular a switch 10 or a circuit breaker, mounted on a pole 12 of a high voltage overhead electrical network.
  • a system of spacers 14, 16 integral with the top of the post 12 serves as a support for two adjacent sections of line conductors 18R, 18S, 18T; 20R, 20S, 20T of the network, with maintenance of a predetermined inter-phase spacing.
  • the electrical isolation with the spacers 14, 16 and the pole 12 is provided by line insulators 22.
  • the pole 12 is at ground potential.
  • the transformer 26 is connected directly to two phases of the network, and is used for powering a gearmotor, and measurement and transmission electronics.
  • Each arrester 28 is equipped at its upper part with a connection terminal 30, connected respectively to a line conductor 18R, 18S, 18T; 20R, 20S, 20T corresponding from the network by an electrical connection cable 32, and to a connection terminal 34R, 34S, 34T; 36R, 36S, 36T of the switch 10 by a cable 38 provided with a plug-in socket.
  • the cutting or electrical continuity between the adjacent sections of the conductors 18R, 18S, 18T; 20R, 20S, 20T is provided by switch 10.
  • the main mechanism 40 for controlling the switch 10 is placed directly under the switch 10, and is controlled either automatically by an integrated geared motor, or manually by a rod 42 which can be operated from an emergency control 44 located at the bottom of the post 12.
  • the main mechanism 40 is provided with a double tumbler device 46 (FIGS. 2 to 4) housed between two fixed flanges 48, 50, and comprising a first control crank 52 articulated by a connecting rod 54 for transmission to a second crank 56 control wedged on the actuating shaft 58 of the switch 10.
  • the first crank 52 is mounted on an arming shaft 60 extending parallel to the actuating shaft 58 between the two flanges 48, 50.
  • the two axes 61, 62 of articulation of the connecting rod 54 on the cranks 52, 56 are eccentric relative to the corresponding shafts 60, 58.
  • the double tumbler device 46 is associated with a device energy accumulator 64 comprising a toggle 65 composed of a crank 66 for arming articulated by a pin 68 to a telescopic guide 70 for supporting a compression spring 72.
  • the cocking crank 66 is mounted coaxially crazy on the cocking shaft 60, and can cooperate with two tabs 74, 76 fixed on the first crank 52.
  • the telescopic guide 70 of the spring 72 bears on a crankpin 78 of the second control crank 56.
  • a first closure end stop 80 and a second opening end stop 82 cooperate respectively with stop surfaces 84, 86 of the first and second control cranks 52, 56, when the mechanism 40 actuates the 'switch 10 in closed and open positions.
  • the cocking crank 66 is controlled by a transmission mechanism 88 (fig. 5) capable of being driven, either by a geared motor unit 90 (fig. 7), or by an auxiliary crank 92 mounted on a maneuvering shaft 94 mechanically coupled to the rod 42 of the emergency control 44.
  • the actuating shaft 94 passes through orifices 95 formed in the flanges 48, 50.
  • the transmission mechanism 88 comprises a transmission crank 96 mounted coaxially idle on the shaft 94 of the manual emergency control 44.
  • the transmission crank 96 is provided with an oblong opening 98 centered on the shaft 94. Inside the opening 98 is housed a first lug 100 for driving fixed to the auxiliary crank 92.
  • the transmission crank 96 is articulated by a connecting rod 102 to a drive crank 104 having an oblong opening 106, inside which is housed a second lug 108 training.
  • the latter is fixed to a coupling crank 110 mounted on the cocking shaft 60, and coupled to the cocking crank 66.
  • the transmission mechanism 88 is coupled to the crank 66 for arming the double tumbler device 46 of FIG. 4, shown in the closed position of the switch 10.
  • the gearmotor block 90 comprises a motor and speed reducer assembly 112, the output shaft 114 of which is provided with a lug 116 capable of driving a control crank 118 mounted idle on the shaft 114 during a half-turn.
  • the crank 118 comprises two notches 120, 122 diametrically opposite and cooperating alternately with a locking pawl 124.
  • the output shaft 114 of the gear motor 90 always rotates in the same direction (represented in FIG. 7 by the opposite direction of the needles). a watch), for remote control operations at closing and opening.
  • the crank 118 is articulated to a transmission rod 126 having a coupling axis 128 capable of being introduced into an orifice 130 of the transmission crank 96.
  • FIG. 9 shows the mechanism 40 completely assembled, with housing of the output shaft 114 of the geared motor unit 90 in a notch 132 of the flanges 48, 50.
  • a cam 136 integral with the shaft 94 of the manual emergency control 44 cooperates with a microswitch device 138 for signaling and interrupting the electrical orders sent to the geared motor unit 90 as soon as the emergency rod 42 is operated from the remote control position to a manual control position (opening or closing).
  • FIG. 10 it can be seen that the terminals 36S, 36R, 36T on the left of the switch 10 are in electrical connection with the fixed contacts 140 of the three poles, and that the terminals 34S, 34R, 34T on the right are connected by a braid 142 to contacts mobiles 144 correspondents.
  • a lifting beam 146 is mounted for rotation about an axis 148 extending perpendicularly to the movable contacts 144, and is coupled to the shaft 58 for actuating the mechanism 40 by means of a coupling crank 149.
  • Each contact movable 144 in the form of a pin is coupled to a crank 150 of the spreader 146, so as to transform the rotational movement of the spreader 146 into a translational movement of the movable contact 144.
  • the spreader 146 passes through the sealed tank 152 of the switch 10 insulated with SF6, with interposition of a dynamic seal 154.
  • the operation of the mechanism 40 for controlling the switch 10 is as follows:
  • the closing operation of the switch 10 is effected by rotation of the arming crank 66 anticlockwise (see arrow F, fig. 3) via the transmission mechanism 88 actuated either manually by the shaft 94 of the emergency control 44, or automatically by remote control of the geared motor unit 90.
  • the displacement of the crank 66 for arming causes progressive compression of the spring 72 on its telescopic guide 70, up to a maximum value located in the closing neutral shift position in fig. 3.
  • the action of the spring 72 on the second control crank 56 generates a holding torque which urges the crank 56 against the second stop 82 during the arming operation of the spring 72.
  • the switch 10 remains in its position opening during time arming, without the cranks 56, 52 are not positively locked by additional attachment means.
  • the closing and opening orders are sent directly to the geared motor unit 90.
  • Block tree 114 gearmotor 90 always rotates anti-clockwise for closing and opening operations.
  • the cam 136 integral with the shaft 94 causes the switching of the microswitch device 138 to interrupt the electrical orders transmitted to the geared motor unit 90, as soon as the rod 42 leaves the remote control position.
  • the crazy mounting on a half-turn of the output crank 118 of the geared motor unit 90 allows the operation of the shaft 94 by the manual emergency control 44 without causing a forced rotation of the output shaft 114 of the motor assembly and speed reducer 112. This state is shown in FIG. 8, in which the output shaft 114 of the gearmotor block 90 is still in the closed position, while the transmission connecting rod 126 has been actuated towards the position of opening by the transmission crank 96, following a manual opening by the emergency control 44.

Landscapes

  • Transmission Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Mechanical Control Devices (AREA)
  • Electronic Switches (AREA)
  • Rehabilitation Tools (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Toys (AREA)

Claims (7)

  1. Schaltgetriebe (40) für einen Mehrpol-Hochspannungs-Lastschalter (10) oder Leistungsschalter, das dazu dient, eine erste Einschaltstellung sowie eine zweite Ausschaltstellung der Kontakte (140, 144) einzunehmen und
    - eine erste Antriebsscheibe (52), die auf einer Spannwelle (60) gelagert und über eine Kupplungsstange (54) an eine auf einer Schaltwelle (58) des Schalters (10) gelagerte zweite Antriebsscheibe (56) angekoppelt ist,
    - eine in der ersten Antriebsscheibe (52) ausgebildete Anschlagfläche (84), die dazu dient, in der Einschaltstellung mit einem ersten Endlagenanschlag (80) zusammenzuwirken,
    - ein Energiespeichersystem (64) mit einem Kniegelenk (65), das aus einem über eine Gelenkachse (68) an eine als Träger für eine Druckfeder (72) dienende Teleskopführung (70) angelenkten Spannhebel (66) besteht, wobei sich die genannte Teleskopführung (70) auf der der Gelenkachse (68) des Kniegelenks (65) gegenüberliegenden Seite an einem auf der zweiten Antriebsscheibe (56) angeordneten Zapfen (78) abstützt,
    - sowie Mittel zur Betätigung des Spannhebels (66) umfaßt, um das Überschreiten des Kippunkts des Kniegelenks (65) beim Übergang des Schaltgetriebes (40) von der ersten in die zweite Stellung und umgekehrt zu bewirken,
    dadurch gekennzeichnet, daß der Spannhebel (66) frei drehbar auf der Spannwelle (60) gelagert ist und mit zwei Mitnehmerbolzen (74, 76) der ersten Antriebsscheibe (52) zusammenwirkt, daß die Teleskopführung (70) während des Spannvorgangs der Feder (72) ein Drehmoment erzeugt, um die erste und die zweite Antriebsscheibe (52, 56) bis zum Umspringen des Kniegelenks (65) vorübergehend in ihrer jeweiligen Ausgangslage zu halten, daß die zweite Antriebsscheibe (56) eine Anschlagfläche (86) aufweist, die in der Ausschaltstellung mit einem zweiten Endlagenanschlag (82) zusammenwirkt, und daß die Mittel zur Betätigung des Spannhebels (66) einen Übertragungsmechanismus (88) umfassen, der entweder automatisch über eine Getriebemotoreinheit (90) oder manuell über eine an einen Notantrieb (44) mit Antriebsgestänge (42) gekoppelte Betätigungswelle (94) angesteuert wird.
  2. Schaltgetriebe nach Anspruch 1, dadurch gekennzeichnet, daß der Übertragungsmechanismus (88) mit der Getriebemotoreinheit (90) über eine kinematische Verbindung gekoppelt ist, die so ausgelegt ist, daß die automatische Betätigung durch die Getriebemotoreinheit (90) keinerlei Rückwirkung auf die Betätigungswelle (94) des Notantriebs (44) hat und daß umgekehrt die manuelle Betätigung über die Betätigungswelle (94) des Notantriebs (44) möglich ist, ohne eine zwangsläufige Drehung der Abtriebswelle (114) der Getriebemotoreinheit (90) zu bewirken.
  3. Schaltgetriebe nach Anspruch 2, dadurch gekennzeichnet, daß der Übertragungsmechanismus (88) einen Übertragungshebel (96) umfaßt, der frei drehbar koaxial auf der Betätigungswelle (94) des Notantriebs (44) gelagert ist, wobei der genannte Übertragungshebel (96) ein Langloch (98) aufweist, das zur Aufnahme eines ersten Mitnehmerzapfens (100) dient, welcher auf einem, auf der Betätigungswelle (94) des Notantriebs (44) gelagerten Hilfshebel (92) befestigt ist.
  4. Schaltgetriebe nach Anspruch 3, dadurch gekennzeichnet, daß der Übertragungshebel (96) über eine Kupplungsstange (126) mit einer Steuerscheibe (118) gekoppelt ist, die um einen bestimmten Drehwinkel der Getriebemotoreinheit (90) frei drehbar auf der Abtriebswelle gelagert ist, wobei sich die genannte Abtriebswelle (114) sowohl bei den Einschalt- als auch bei den Ausschalthandlungen stets im gleichen Drehsinn dreht und einen Zapfen (116) zur Mitführung der Steuerscheibe (118) aufweist.
  5. Schaltgetriebe nach Anspruch 4, dadurch gekennzeichnet, daß auf der Umfangsfläche der Steuerscheibe (118) der Getriebemotoreinheit (90) eine erste und eine zweite Raststufe (120, 122) ausgebildet ist, die abwechselnd mit einer Rastklinke (124) zusammenwirken.
  6. Schaltgetriebe nach einem der Ansprüche 3 bis 5, dadurch gekennzeichnet, daß auf der Betätigungswelle (94) des Notantriebs (44) eine Kurvenscheibe (136) gelagert ist, die dazu dient, mit einer Mikroschalteranordnung (138) zusammenzuwirken, um die an die Getriebemotoreinheit (90) übertragenen elektrischen Befehlssignale bei manueller Betätigung des Gestänges (42) des Notantriebs (44) zu unterbrechen.
  7. Schaltgetriebe nach einem der Ansprüche 1 bis 6 für einen auf einem Mast (12) eines Freileitungsnetzes montierten Dreiphasen-Lastschalter (10), dadurch gekennzeichnet, daß das Schaltgetriebe (40) unterhalb des Lastschalters (10) und das Gestänge (42) des Notantriebs (44) parallel zum Mast (12) angeordnet ist.
EP19900420379 1989-09-07 1990-08-21 Steuermechanismus für einen multipolaren Hochspannungsschalter Expired - Lifetime EP0417015B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8911810A FR2651603B1 (fr) 1989-09-07 1989-09-07 Mecanisme de commande d'un interrupteur multipolaire a haute tension.
FR8911810 1989-09-07

Publications (2)

Publication Number Publication Date
EP0417015A1 EP0417015A1 (de) 1991-03-13
EP0417015B1 true EP0417015B1 (de) 1995-10-25

Family

ID=9385293

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900420379 Expired - Lifetime EP0417015B1 (de) 1989-09-07 1990-08-21 Steuermechanismus für einen multipolaren Hochspannungsschalter

Country Status (8)

Country Link
EP (1) EP0417015B1 (de)
CA (1) CA2024198A1 (de)
DE (1) DE69023195T2 (de)
ES (1) ES2080136T3 (de)
FI (1) FI97832C (de)
FR (1) FR2651603B1 (de)
NO (1) NO301857B1 (de)
PT (1) PT95217B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101393806B (zh) * 2008-10-23 2010-09-01 浙江正昌锻造股份有限公司 一种蓄能弹簧导向杆的制作工艺

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2706674B1 (fr) * 1993-06-17 1995-09-08 Soule Sa Dispositif de coupure de ligne électrique à moyens de commande perfectionnés.
FR2786944B1 (fr) * 1998-12-07 2003-09-19 Soule Materiel Electr Perfectionnements aux dispositifs de coupure electrique pour moyenne et haute tension
FR2786943A1 (fr) * 1998-12-07 2000-06-09 Soule Materiel Electr Dispositif de coupure electrique pour moyenne et haute tension
IT1314361B1 (it) * 1999-12-31 2002-12-09 Abb Ricerca Spa Unita' di sezionamento per linee aeree ad alta tensione
DE102006061961A1 (de) * 2006-12-21 2008-06-26 Abb Technology Ag Hochspannungsschaltanlage
FR2921196B1 (fr) * 2007-09-18 2009-12-11 Schneider Electric Ind Sas Dispositif de commande de l'ouverture et/ou de la fermeture des contacts electriques dans un appareil electrique et appareil electrique comportant un tel dispositif
FR2935833A1 (fr) 2008-09-05 2010-03-12 Schneider Electric Ind Sas Dispositif de commande de l'ouverture et/ou de la fermeture des contacts dans un appareil electrique
FR3083366B1 (fr) 2018-06-29 2020-06-12 Socomec Dispositif de commande manuelle pour un inverseur de source manoeuvre a distance
CN116193648B (zh) * 2023-03-10 2023-08-29 安徽卫家健康科技有限公司 基于温控调节的石墨烯发热板组件
CN117316700A (zh) * 2023-09-25 2023-12-29 国网安徽省电力有限公司来安县供电公司 配电网架空线路柱上隔离开关设备

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
DE1098071B (de) * 1959-09-24 1961-01-26 Driescher Spezialfab Fritz Lasttrennschalter mit Sprungschaltung der Schalterwelle
US2995043A (en) * 1960-06-20 1961-08-08 G & W Electric Speciality Co Two position snap action operator
DE6903932U (de) * 1969-02-01 1970-06-25 Siemens Ag Federschnellschaltgetriebe fuer leistungsachalter
FR2181436B3 (de) * 1972-04-24 1975-06-20 Alsthom Cgee
FR2500222A1 (fr) * 1981-02-13 1982-08-20 Merlin Gerin Mecanisme de manoeuvre pour appareillage de commutation electrique a trois positions distinctes
FR2613123B1 (fr) * 1987-03-27 1989-06-09 Merlin Gerin Mecanisme de commande d'un interrupteur a trois positions
US4791250A (en) * 1987-08-06 1988-12-13 Square D Company Trip-free, three-link switch assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101393806B (zh) * 2008-10-23 2010-09-01 浙江正昌锻造股份有限公司 一种蓄能弹簧导向杆的制作工艺

Also Published As

Publication number Publication date
NO903889D0 (no) 1990-09-06
CA2024198A1 (en) 1991-03-08
DE69023195T2 (de) 1996-05-09
EP0417015A1 (de) 1991-03-13
NO903889L (no) 1991-03-08
FI904383A0 (fi) 1990-09-05
PT95217B (pt) 1998-06-30
NO301857B1 (no) 1997-12-15
FI97832B (fi) 1996-11-15
ES2080136T3 (es) 1996-02-01
PT95217A (pt) 1992-05-29
DE69023195D1 (de) 1995-11-30
FR2651603A1 (fr) 1991-03-08
FI97832C (fi) 1997-02-25
FR2651603B1 (fr) 1991-11-08

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