EP0179677B1 - Dispositif de commutation à composition variable - Google Patents

Dispositif de commutation à composition variable Download PDF

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Publication number
EP0179677B1
EP0179677B1 EP85401693A EP85401693A EP0179677B1 EP 0179677 B1 EP0179677 B1 EP 0179677B1 EP 85401693 A EP85401693 A EP 85401693A EP 85401693 A EP85401693 A EP 85401693A EP 0179677 B1 EP0179677 B1 EP 0179677B1
Authority
EP
European Patent Office
Prior art keywords
control
tripping
switching
modular
electromagnet
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
Application number
EP85401693A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0179677A1 (fr
Inventor
Jean-Pierre Guery
Gérald Gashet
Jacques Olifant
Raymond Plumeret
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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 La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Priority to AT85401693T priority Critical patent/ATE43200T1/de
Publication of EP0179677A1 publication Critical patent/EP0179677A1/fr
Application granted granted Critical
Publication of EP0179677B1 publication Critical patent/EP0179677B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2409—Electromagnetic mechanisms combined with an electromagnetic current limiting mechanism
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/40—Combined electrothermal and electromagnetic mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
    • H01H89/08—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device with both devices using the same contact pair

Definitions

  • CH-A-562 511 which describes a switching device of the modular type
  • FR-A-2 331 908 which describes a motor control device integrating all the necessary functions.
  • control and / or protection devices are usually designed so as to produce a switching of the switch device compatible with the function performed.
  • the means of protection against overcurrents due for example to short circuits must be designed so as to produce relatively high breaking speeds, to avoid deterioration of the contact elements by the cutting arc.
  • the first type of measure consists in increasing the force exerted by the control and / or protective device concerned, which leads, in the case where the resistant force of the moving part of the switch is high, to overdue - measure the control device and the means associated with it.
  • control elements producing an order at energy and at sufficiently high speed to ensure correct switching of the switching device act directly on a surface of support of at least one basic module.
  • This action can be carried out directly or by means of a mechanical transmission device, it being understood that in both cases, it is the force exerted by the modular control element which is used to effect the switching.
  • control elements of this type have been called modular direct switching control elements.
  • the potential energy used for the triggering phase is stored during or immediately after the passage from the triggered position to the armed position of the arming means and therefore, independently of the switch, the movable assembly of which is then stressed only by the elastic means associated with it.
  • the amount of potential energy accumulated is not limited by the mechanical characteristics of a particular switch. It is therefore possible to use a single abrupt tripping device for several switches, by adjusting the potential stored energy to the desired level and, of course, by using appropriate mechanical transmission means between the actuating means of the tripping device. and the bearing surface of the operating members of these switches.
  • the trigger of the trigger device is associated with several control and / or protection devices, it is also possible to provide suitable mechanical transmission means for controlling the action of these devices to said trigger.
  • control forces applied to the bearing surface of the operating member of each of the switches can emanate from a direct action of one or more control devices, which can act on one or more switches.
  • mechanical fastening means for the actuating members of all the switches can be provided.
  • the switching device can involve one or more switches of the same type or of a different type. These switches can for example be of the normally open or normally closed type. Each switch may include one or more pairs of movable and fixed contact elements, each of which can perform the function of a normally closed and / or normally open type switch.
  • the aforementioned switch, the triggering device and the various control devices are each housed in separate boxes which can be assembled to each other according to the desired composition of the device of commutation.
  • this switch can also include all the equipment with which the switches are usually fitted, such as, for example, fins for dividing the arcs 15, decompression channels, etc.
  • the conductors 5 and 6 have a folded shape allowing the development of repulsion forces acting on the movable contact carrier 8 under the effect of the current flowing in the switch.
  • this switch is in the normally closed position, the opening then being obtained by exerting on the pusher 12 an axial pressure antagonistic to that of the spring 13.
  • an electromagnet 17 housed inside a housing 18 whose movable armature 19 is coupled to an oscillating lever 20 including a arm 21 passes through the housing 18 and cooperates with the pusher 12 as follows:
  • the movable armature 19 of the electromagnet is applied against the fixed armature 19 'by pivoting the lever 20 which, by disengaging from the stop 32, releases the pusher 12; under the effect of the spring 13, the movable contact elements 9, 10, carried by the contact carrier 8, are therefore applied to the fixed contact elements 3, 4, the switch is then in the closed state .
  • the movable armature 19 which is biased by a spring (not shown) moves away from the fixed armature 19 '; the lever 20 then switches by pushing the pusher 12 against the action of the spring 13, so that the movable contact elements 9, 10 are spaced from the fixed contact elements 3, 4; the switch is then in the open state.
  • the invention is not limited to this single mode of control of the first type.
  • the switch 1 could also be actuated by a manual or automatic control device acting directly or via a transmission mechanism on the pusher.
  • a transmission mechanism could possibly comprise, as shown in dashed lines, a cam 23 or the like, mounted on a rotary axis 23 'whose rotational movements are controlled by one or more control devices.
  • the axis 23 ′ may comprise several cams each cooperating with the push-button of a respective switch.
  • the controls of the second type involve a trigger device for accumulating potential energy 16 which comprises, as shown in FIG. 1, an actuating rod 24 located in line with the push button 12, a reset push button 25 and a trigger 26.
  • the actuating rod 24 in the armed state of the triggering device 16, the actuating rod 24 is in the retracted position, position in which it does not stress the pusher 12 and enables thus closing the switch 1. From this position, the triggering phase is obtained by switching the trigger 26 under the effect of a control action (arrow 27). This tilting causes a sudden deployment of the actuating rod 24 which pushes back the pusher 12 by causing an opening at high speed of the switch 1.
  • the electromagnet is energized and the triggering device is in the armed state, state in which the actuating rod 24 is in the retracted state, while the push-button reset 25 is in the depressed state.
  • the pusher 12 of the switch 1 is therefore not biased by an external action and, consequently, the movable assembly biased by the spring 13 is disposed in the closed position.
  • this stop button 28 causes the triggering device 16 to go into the triggered state.
  • a control action exerted on the trigger 26 in the direction of the arrow 27 causes the trigger device to go into the triggered state.
  • the actuating rod 24 suddenly goes into the deployed state by pushing back the pusher 12, and bringing, consequently , switch 1 in the open state.
  • the arming push-button 25 is in the deployed state, while the stop push-button 28 changes to the depressed state (FIG. 3).
  • the electromagnet can remain in the excited state and remain in the position where it is in Figures 2 and 3.
  • the tripping device 16 can also cause the opening of an auxiliary contact interrupting l supply of the solenoid coil, when it is in the tripped state.
  • the opening of the switch 1 by the tripping device is confirmed by the action of the lever 20 which then comes to bear on the pusher 12, as shown in FIG. 5.
  • the return to the armed state of the triggering device 16 is obtained by exerting on the arming push-button 25 manual or possibly automatic pressure, causing it to sink.
  • This action entails both the return of the stop pusher 28 in the deployed position, the return of the actuating rod 24 in the retracted state and the accumulation of a determined quantity of potential energy intended to be applied. on the actuating rod 24 during the triggering phase.
  • the tripping device 16 When it is in the armed state, the tripping device 16 is not opposed to the control actions exerted directly on the push-button 12 of the switch 1.
  • the electromagnet can act independently on the 'switch 1 by causing, as appropriate, either its opening or its closure.
  • the trigger device 16 is in the armed state, while the electromagnet is in the de-energized state.
  • the movable armature 19 of the electromagnet has moved away from the fixed armature 19 'and has caused the lever 20 to tilt, the arm 21 of which then comes at its end, press push-button 12, and thus keep switch 1 in the open state.
  • the control of the trip device 26 of the trip device 16 is ensured, on the one hand, by an electromagnet 29 forming part of a protection device for example against sudden overcurrents or short-circuits. circuits, and by a transmission device comprising a cam 30 cooperating with the trigger 26 and mounted on a rotary axis 31 which can be driven in rotation by one or more control devices provided to effect a sudden cut of the switch. It should be noted in this connection that these control devices can act both on the trigger 26 and on the push-button 12 of the switch 1 or the transmission device 23, 23 'associated therewith.
  • FIG. 6 is a theoretical diagram of a contactor with high breaking capacity that can be produced from a structure such as that shown in FIG. 1.
  • the triggering device S can also actuate, thanks to a mechanical or electrical connection, the auxiliary switch K 1 so as to cause the circuit which supplies the coil of the electromagnet of the automatic control device A to be cut, in order to confirm the switch off caused by the triggering device S.
  • the detection member Rth, the fault detector D and the control device M can respectively act, in an analogous manner on the auxiliary contacts K 2 , K 3 , K 4 of the coil supply circuit. B of electromagnet A.
  • control device A and the control device sensitive to a lack of voltage M act directly on the moving element 8 of the switch. This implies that the action of these control devices A and M is powerful enough and fast enough to obtain good switching.
  • control means having movements that are too slow and / or insufficiently powerful such as the detection member Rth, the fault detector D, the “overcurrent detector 1, and the manual control member Ma act on the trigger device S.
  • the invention is not limited to a switch having a structure such as that shown in FIGS. 1 to 6.
  • this switch could just as easily include a mobile assembly comprising a plurality of pairs, fixed contact elements / mobile contact elements, designed for operation of the normally open type and / or of the normally closed type.
  • FIGS. 8 and 9 schematically represent a switching device for a three-phase circuit involving, mounted on the same mobile assembly, three pairs of mobile contact elements 9 ', 9 ", 9"' - 10 ' , 10 ", 10" 'cooperating with three pairs of fixed contact elements 3', 3 ", 3" '- 4', 4 ", 4" 'respectively.
  • the movable assembly 35 which is, as previously, biased by a spring 36, comprises three recesses or cages 37 through each of which passes a movable contact carrier 38 provided with two movable contacts 9 ′ 10 ′, 9 "-10", 9 "'- 10"' which cooperate with two respective fixed contacts 3'-4 ', 3 "-4", 3 "' - 4" '.
  • the connection between each of the movable contact carriers and the movable assembly is ensured by a compression spring 38 'acting in the same direction as the spring 36.
  • the moving element 35 which may be made of a light material to enable to obtain speeds of high cut, is returned to the working position (closed position of the switch) by the spring 36, the forces contact being supplied by the springs 38 '.
  • FIG. 10 illustrates the multiple compositions that the switching device according to the invention can take.
  • the switch 40 is controlled by an automatic control device 55, by a device.
  • manual control device 56 with abrupt release and a transmission device 57 actuated by the operating member 58 of a release device 59 of the type of that previously described.
  • the switch 46 is controlled, by the transmission device 57, by a manual control device 60 with abrupt release and by a transmission device 61 actuated in particular by an automatic control device 62.
  • the automatic control devices 55 and 62 are designed so as to have an actuation speed sufficient to ensure switching under normal load conditions (they can consist, for example, of electromagnets).
  • the switch 47 is controlled by the transmission device 61 and by a trip device 63 similar to the device 59.
  • the trip device 64 of the trip device 59 is itself controlled by two control and / or protection devices 65, 66, and by a transmission device 67 actuated by two control and / or protection devices 68, 69.
  • the trigger 71 of the trigger device 63 is in turn controlled by the transmission device 67 and by a control and / or protection device 72 for example. Furthermore, the transmission device 67 acts on the transmission device 61.
  • control and / or protection devices 65 and 66 may respectively consist of a thermal protection device and a manual control device.
  • the control devices 68 and 69 may consist of undervoltage trip devices, magnetic trip devices, etc. which constitute fast-acting protections.
  • the device 72 can then consist of a pneumatic, hydraulic, etc. plunger of any speed.
  • the pushers 45, 12, 54 of the switches 40, 46 and 47 can be connected by a transmission rod shown diagrammatically in FIG. 10 by the combination of the transmission devices 57 and 61 and by the extensions represented in dashed lines, so as to obtain simultaneous control of the three switches 40, 46 and 47 regardless of the order of control.
  • This transmission rod is furthermore designed so as to be actuated by the automatic control devices 55, 62, by the triggering devices 59, 63 and by the manual snap-action control devices 56 and 60, the connections of which have been shown. in broken lines.
  • the electromagnet 87 is excited and, consequently, the switch 75 is in the closed position. Conversely, the electromagnet 88 is at rest and keeps the switch 76 open.
  • the two electromagnets 87, 89 are associated with a mechanical locking device L “L 2 allowing the maintenance in the open state of one of the electromagnets when the second is closed.
  • the triggering device 93 is designed to act on the pushers 85, 8.6 of the switches 75, 76 by means of a transmission device consisting of a U-shaped spreader whose wings 109, 110 are articulated by their ends on the pins 104 and 105 and the core 111 of which bears, in line with the pushers 85, 86 bearing pads 113, 114.
  • the actuating rod 112 of the triggering device 93 is then designed so as to act on the central part of the web 111 of the lifter.
  • the actuating rod 112 which passes in the deployed state, causes the tilting of the spreader 109, 110, 111.
  • the aforesaid modular elements of automatic control, of fast switching control and of protection include means allowing their assembly and their fixing on the basic element, as well as means of electrical coupling and suitable mechanical transmission suitable for make the electrical connections and mechanical transmissions described above.
  • the modular elements 127,129 are provided with through holes 132,133 to allow access to the upstream and downstream connection means .124 of the basic modular element 120.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
  • Food-Manufacturing Devices (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Confectionery (AREA)
  • Amplifiers (AREA)
  • X-Ray Techniques (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP85401693A 1984-09-27 1985-08-29 Dispositif de commutation à composition variable Expired EP0179677B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85401693T ATE43200T1 (de) 1984-09-27 1985-08-29 Schaltvorrichtung mit variabler zusammensetzung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8414826A FR2570872B1 (fr) 1984-09-27 1984-09-27 Dispositif de commutation a composition variable
FR8414826 1984-09-27

Publications (2)

Publication Number Publication Date
EP0179677A1 EP0179677A1 (fr) 1986-04-30
EP0179677B1 true EP0179677B1 (fr) 1989-05-17

Family

ID=9308124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85401693A Expired EP0179677B1 (fr) 1984-09-27 1985-08-29 Dispositif de commutation à composition variable

Country Status (9)

Country Link
US (1) US4631507A (xx)
EP (1) EP0179677B1 (xx)
JP (1) JP2743989B2 (xx)
AT (1) ATE43200T1 (xx)
BR (1) BR8504732A (xx)
CA (1) CA1239692A (xx)
DE (1) DE3570322D1 (xx)
FR (1) FR2570872B1 (xx)
HK (1) HK88089A (xx)

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EP0237607A1 (de) * 1986-03-21 1987-09-23 Square D Company (Deutschland) Gmbh Schütz
FR2605150B1 (fr) * 1986-10-09 1988-12-30 Telemecanique Electrique Appareil electro-magnetique de commutation ayant des interrupteurs interchangeables
DE3637418A1 (de) * 1986-11-03 1988-05-11 Kloeckner Moeller Elektrizit Schaltvorrichtung
FR2609838B1 (fr) * 1987-01-21 1993-05-14 Telemecanique Electrique Dispositif de declenchement a accumulation d'energie potentielle, utilisable dans un dispositif de commutation
FR2611082B1 (fr) * 1987-02-13 1993-05-28 Telemecanique Electrique Appareil interrupteur de protection a ouverture et fermeture telecommandables
DE8705806U1 (de) * 1987-04-22 1988-08-18 Klöckner-Moeller Elektrizitäts GmbH, 5300 Bonn Elektromagnetisches Schaltgerät mit elektromagnetischem Antrieb
JPH01131651A (ja) * 1987-11-18 1989-05-24 Toshiba Corp 磁気共鳴診断装置
KR920003958B1 (ko) * 1988-10-06 1992-05-18 미쓰비시전기 주식회사 원격조작식 회로차단기
JPH02100229A (ja) * 1988-10-06 1990-04-12 Mitsubishi Electric Corp 遠隔操作式回路遮断器
JPH02100230A (ja) * 1988-10-06 1990-04-12 Mitsubishi Electric Corp 遠隔操作式回路遮断器
KR920003957B1 (ko) * 1988-10-17 1992-05-18 미쯔비시 덴끼 가부시기가이샤 원격조작식 회로차단기
FR2638563B1 (fr) * 1988-10-27 1990-12-14 Telemecanique Electrique Dispositif de securite pour appareil de commutation realise par l'assemblage de plusieurs elements modulaires amovibles
FR2639144B1 (fr) * 1988-11-17 1993-05-28 Telemecanique Electrique Mecanisme a serrure pour contacteur-limiteur
FR2650437B1 (fr) * 1989-07-27 1991-10-18 Telemecanique Contacteur-disjoncteur a double coupure
GB2246909B (en) * 1990-07-16 1995-02-22 Terasaki Denki Sangyo Kk Circuit breaker including forced contact parting mechanism capable of self-retaining under short circuit condition
US5300905A (en) * 1992-10-19 1994-04-05 Ford Motor Company Electrical power disconnect switch with both manual and electrical trip operation
FR2710453B1 (fr) * 1993-09-24 1995-10-20 Telemecanique Appareil contacteur-disjoncteur.
EP0617449B1 (fr) * 1993-03-25 1997-10-22 Schneider Electric Sa Appareil interrupteur
FR2736752B1 (fr) * 1995-07-13 1997-08-22 Schneider Electric Sa Appareil interrupteur de type contacteur-disjoncteur
FR2759489B1 (fr) * 1997-02-12 1999-03-19 Schneider Electric Sa Appareil electrique multipolaire composable
DE19806944C1 (de) * 1998-02-19 1999-06-24 Goerlitz Esg Gmbh Selbstschalter, insbesondere Niederspannungs-Schutzschalter
CN1253912C (zh) * 2003-05-29 2006-04-26 刘平 电力开关器
ITBG20060050A1 (it) 2006-10-06 2008-04-07 Abb Service S Rl Interruttore di bassa tensione con poli intercambiabili
US7834724B2 (en) * 2008-04-15 2010-11-16 General Electric Company Electromechanical interlock for electrical protection devices
JP2011014313A (ja) * 2009-06-30 2011-01-20 Panasonic Electric Works Co Ltd 直流遮断器
GB0915379D0 (en) * 2009-09-03 2009-10-07 Deepstream Technologies Ltd Miniature circuit breaker
FR2953985B1 (fr) * 2009-12-11 2011-11-25 Schneider Electric Ind Sas Dispositif de coupure a telecommande et dispositif de distribution electrique pourvu d'un tel dispositif de coupure
US8476996B2 (en) * 2010-08-31 2013-07-02 Chih-Chuan Liang Bistable switching method and latching relay using the same
DE102010060398A1 (de) * 2010-11-08 2012-05-10 Adensis Gmbh Verfahren zum Betreiben einer Photovoltaikanlage zur Einspeisung von elektrischer Leistung in ein Mittelspannungsnetz
JP6414453B2 (ja) 2014-12-05 2018-10-31 オムロン株式会社 電磁継電器
JP2016110843A (ja) 2014-12-05 2016-06-20 オムロン株式会社 電磁継電器
US10312044B2 (en) 2014-12-05 2019-06-04 Omron Corporation Electromagnetic relay
US11120962B2 (en) * 2015-08-28 2021-09-14 Maschinenfabrik Reinhausen Gmbh Load transfer switch for an on-load tap changer and continuous main switch and disconnecting switch for same
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FR2516304A1 (fr) * 1981-11-09 1983-05-13 Telemecanique Electrique Interrupteur a commande mecanique et ouverture automatique

Also Published As

Publication number Publication date
DE3570322D1 (en) 1989-06-22
HK88089A (en) 1989-11-10
BR8504732A (pt) 1986-07-22
ATE43200T1 (de) 1989-06-15
CA1239692A (fr) 1988-07-26
FR2570872A1 (fr) 1986-03-28
EP0179677A1 (fr) 1986-04-30
JPS61114431A (ja) 1986-06-02
US4631507A (en) 1986-12-23
FR2570872B1 (fr) 1988-08-26
JP2743989B2 (ja) 1998-04-28

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