EP0424283A1 - Steuervorrichtung für einen ferngesteuerten Schalter - Google Patents

Steuervorrichtung für einen ferngesteuerten Schalter Download PDF

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Publication number
EP0424283A1
EP0424283A1 EP90420438A EP90420438A EP0424283A1 EP 0424283 A1 EP0424283 A1 EP 0424283A1 EP 90420438 A EP90420438 A EP 90420438A EP 90420438 A EP90420438 A EP 90420438A EP 0424283 A1 EP0424283 A1 EP 0424283A1
Authority
EP
European Patent Office
Prior art keywords
control
coil
priority
remote control
circuit
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
EP90420438A
Other languages
English (en)
French (fr)
Other versions
EP0424283B1 (de
Inventor
André Vasseur
Thierry Fouarge
Jean-Pierre Lacroix
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.)
Merlin Gerin SA
Original Assignee
Merlin Gerin 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 Merlin Gerin SA filed Critical Merlin Gerin SA
Publication of EP0424283A1 publication Critical patent/EP0424283A1/de
Application granted granted Critical
Publication of EP0424283B1 publication Critical patent/EP0424283B1/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
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
    • H01H47/226—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil for bistable relays

Definitions

  • the invention relates to a device for controlling a remote control switch or a remote-controlled device comprising a movable power contact capable of occupying a stable closed position and a stable open position, a bistable mechanism for controlling said contact. mobile, a coil switching said mechanism from one position to the other at each current pulse passing through the coil, and local or priority control of the remote control switch.
  • a remote control switch of the kind mentioned generally comprises several controls, either manual or electric, some of which may be local controls and others remote controls. Interference with these commands should be avoided and Belgian patent N ° 816,045 describes a diagram allowing actuators with delay reversing contacts to actuate them, either by one or more local push buttons, or by a double pilot line. This diagram includes double contact pushbuttons and wiring is notably complicated by the use of such buttons.
  • one of the controls may consist of output contacts of a clock or any other detector or device which keeps the control circuit energized for a period far exceeding the time necessary for the switching of the remote control switches. During all this time if someone acts on another command, for example a local command push button, it may result in a different operation from that desired. In fact, as soon as the remote control switch switches it automatically receives a pulse delivered by the aforementioned closed contacts controlled by the clock or other device. The operation of the remote control switch can thus be blocked for significant periods.
  • the document EP-A-199.612 describes an electronic control device which avoids such blocking and also makes it possible to control the remote-controlled device in such a way that priority is given to the last order given, either by centralized control or by a local control by push button, or by manual control located on the device.
  • the electronic device is relatively complicated and expensive and the present invention aims to allow the production of a simplified device giving priority to the last order given.
  • the control device is characterized in that it comprises a central non-priority circuit for controlling the supply of said coil, in which is connected in series of the coil a resistor with a positive temperature coefficient arranged to interrupt or reduce the supply current to the coil by said non-priority control circuit to a low value, after a predetermined duration to authorize priority local control.
  • the resistance with a positive temperature coefficient reduced after a predetermined duration greater than the switching time of the contacts of the remote control switch, the current passing through the coil to a value lower than that causing the excitation of this coil, despite keeping the circuit in the closed position. priority.
  • the remote control switch is available to receive any other order issued by one of the other commands.
  • the value of the resistance with positive temperature coefficient is chosen to maintain the supply current of the coil by the non-priority circuit for a time just necessary for the tilting of the mechanism and the residual current is insufficient to supply the coil but sufficient to maintain resistance with a positive temperature coefficient in the state of high resistance.
  • the non-priority control circuit can be a remote control circuit common to several remote control switches and comprising a central control button.
  • the limitation of the supply time of the coil reduces the heating thereof which allows the use of insulators less resistant to heat and therefore more easily strippable or weldable without prior stripping. Another advantage is to be able to have a greater motor force in the same space and therefore to make more miniaturized constructions.
  • By keeping the temperature rises to a very low level it is possible to envisage placing any device just in front of the remote-controlled device without this being disturbed by the temperature rises.
  • the use of a resistor with a positive thermal coefficient eliminates any snoring due to the maintenance of the magnetic circuit in the closed position and very significantly limits the consumption generated by the maintenance in the closed position of an electrical control.
  • the control device according to the invention can be used in installations equipped with programmers or detectors causing the contacts to close and remain in the closed position. It can be used for any remote control switch or any controlled device having two stable positions and controlled by an electromagnet or by any other electro-mechanical system.
  • a bipolar remote control switch 10 has two power contacts 12 connected on the one hand to the phase 14 and neutral 16 conductors of the electrical network and on the other hand to a load such as a lamp 18.
  • the power contacts 12 are controlled by a mechanism 20 having a coil 21 connected on the one hand to the neutral conductor 16 and on the other hand to a control circuit 22 connected to phase 14.
  • the control circuit 22 consists of two circuits connected in parallel in this case a priority circuit 24 in which is inserted a control push button 26 and a non-priority circuit 28 in which are inserted in series a control push button 30 and a resistor 32 with positive temperature coefficient.
  • the mechanism 20 of the bistable type transmits to each current pulse passing through the coil 21 a movement of change of position of the power contacts 12.
  • the remote control switch according to FIG. 1 operates as follows:
  • the remote control switch 10 being in an open position, for example, represented in FIG. 1, the closing can be caused by the actuation of the push button 26 of the priority circuit 24 which feeds the coil 21. After releasing the push button 26 the remote control switch can be opened by actuating the push button 26 again in a manner well known to specialists.
  • the remote control switch 10 can also be controlled by actuating the push button 30 of the non-priority circuit 28 which supplies the coil 21 through the resistor with positive thermal coefficient 32.
  • the resistance is low and the coil 21 is traversed by a current i close to that obtained in the absence of the resistor 32.
  • This low resistance is maintained for a sufficient time for the switching of the power contacts 12 by the mechanism 20.
  • This current which flows through the resistor 32 causes it to heat up and switch over to the zone of strong resistances.
  • the current flowing through the coil 21 is therefore considerably reduced to an insufficient value when the coil is excited, in this case when the magnetic paddle is held in the attracted position.
  • This reduced current, insufficient to excite the coil 21, is nevertheless sufficient to heat the resistance with a positive temperature coefficient 32 and prevent the latter from switching to the zone of low resistance.
  • the switching threshold can for example be close to half of the current i normally applied to the coil 21 to cause its excitation.
  • the resistor 32 causes the coil 21 to de-energize even when the push-button 30 is kept in the closed position and the remote control switch 10 is ready for a new command, for example transmitted by the priority circuit 24 when the push-button 26 is closed. If the push button 30 of the non-priority circuit 28 is released, the resistor 32 cools and switches to a low resistance value allowing a new command. This switching takes place with a certain delay which is generally not annoying.
  • FIG. 2 illustrates a more complex installation with two remote switches, one two-pole 34 and the other four-pole 36, each equipped with power supply 12 load contacts 18.
  • the two-pole remote switch 34 comprises a control coil 38 and a auxiliary change-over contact 40 representative of the position of the power contacts 12.
  • the four-pole remote control switch 36 comprises a control coil 42 and an auxiliary contact 44.
  • Diodes 46 are inserted in the circuits of the auxiliary change-over contacts 40-44 to avoid interference from the controls.
  • the remote control switches 34-36 are connected to the network 48 by means of protective circuit breakers 50.
  • the control circuits of the remote control switches 34-36 are identical and only that of the remote control switch 34 is described in detail below, the other bearing the same reference numbers.
  • the coil 38 is connected to a local or priority control circuit 52 having two pushbuttons connected in parallel and supplied via a protective circuit breaker 50 by the network 48.
  • a central or non-priority control circuit 56 having a two-wire pilot line 58.
  • the central control comprises two push buttons 60-62 each inserted in one of the conductors of the pilot line 58 and one controlling the opening and other closing of the remote control switch 34.
  • the pilot line 58 is connected via the auxiliary change-over contact 40 and a resistor 32 with a positive temperature coefficient at the terminal of the coil 38.
  • the four-pole remote control switch 36 is connected to the same pilot line 58 so that a command by the push button 60 or 62 causes a simultaneous command of the two remote control switches 34, 36 or a greater number all connected to the same line p island 58.
  • a centralized command or remote control for closing the two remote switches 34, 36 is generated by the actuation of the push button 60, which causes the coils 38, 42 to be supplied via the reversing auxiliary contacts 40, 44 and the resistors 32 with positive thermal coefficient.
  • the excitation of the coils 38, 42 causes the tilting of the contacts 12 and the reversal of the auxiliary contacts 40, 44.
  • the inversion of the auxiliary contacts 40, 44 interrupts the supply of the coils 38, 42 and the resistors 32 have had no time to reach their switching threshold.
  • An opening command can then be carried out, either by the centralized opening push button command 62, or by one of the local control push buttons 54.
  • FIG. 3 illustrates another installation according to the invention, for example an external lighting circuit, produced by a remote control switch 64 locally controlled by a push button 66, the closing of which causes the coil 68 of the remote control switch 64 to be supplied.
  • the remote control switch can also be controlled automatically by a detector 70, for example of an intrusion, which causes the closure of a contact 72 supplying the coil 68 via an auxiliary change-over contact 74 of the remote control switch 64 and of a resistor 76 with a positive thermal coefficient.
  • the operation of this command results from the previous presentation and it suffices to specify that a lighting order given by the intrusion detector 70 does not prevent the local extinction command by actuation of the push button 66.
EP90420438A 1989-10-20 1990-10-10 Steuervorrichtung für einen ferngesteuerten Schalter Expired - Lifetime EP0424283B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8913900 1989-10-20
FR8913900A FR2653592B1 (fr) 1989-10-20 1989-10-20 Dispositif de commande d'un telerupteur.

Publications (2)

Publication Number Publication Date
EP0424283A1 true EP0424283A1 (de) 1991-04-24
EP0424283B1 EP0424283B1 (de) 1994-12-07

Family

ID=9386702

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90420438A Expired - Lifetime EP0424283B1 (de) 1989-10-20 1990-10-10 Steuervorrichtung für einen ferngesteuerten Schalter

Country Status (4)

Country Link
EP (1) EP0424283B1 (de)
DE (1) DE69014827T2 (de)
ES (1) ES2067713T3 (de)
FR (1) FR2653592B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666254A (en) * 1995-09-14 1997-09-09 Raychem Corporation Voltage sensing overcurrent protection circuit
US5689395A (en) * 1995-09-14 1997-11-18 Raychem Corporation Overcurrent protection circuit
US5737160A (en) * 1995-09-14 1998-04-07 Raychem Corporation Electrical switches comprising arrangement of mechanical switches and PCT device
US5864458A (en) * 1995-09-14 1999-01-26 Raychem Corporation Overcurrent protection circuits comprising combinations of PTC devices and switches
WO2000028791A1 (en) * 1998-11-06 2000-05-18 Giampietro, Carla Electric load control device with reset function and electrical system using such control device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008057042B4 (de) * 2008-11-12 2013-03-28 Waldemar Stach Stromsparende Sensorschaltung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH177105A (de) * 1933-10-14 1935-05-15 Signum Ag Schalteinrichtung mit einem Relais, das in der Arbeitsstellung die Umsteuerung eines weiteren Organes der Schalteinrichtung vorbereitet.
FR861419A (fr) * 1938-11-10 1941-02-08 Oerlikon Maschf Dispositif de commande électrique des commandes des interrupteurs
FR2274151A1 (fr) * 1974-06-07 1976-01-02 Gardy Schema d'installation electrique a telerupteurs
EP0099807A1 (de) * 1982-07-12 1984-02-01 José Garcia Steuerungsschaltung zur Ausschaltung von Geräten, insbesondere von Beleuchtungsgeräten
FR2536904A1 (fr) * 1982-11-29 1984-06-01 Merlin Gerin Circuit electronique de commande d'un appareillage a fonctionnement multiple equipe d'un mecanisme a electro-aimant
EP0199612A1 (de) * 1985-03-26 1986-10-29 Merlin Gerin Mehrpoliges Schaltgerät mit Fernsteuerung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH177105A (de) * 1933-10-14 1935-05-15 Signum Ag Schalteinrichtung mit einem Relais, das in der Arbeitsstellung die Umsteuerung eines weiteren Organes der Schalteinrichtung vorbereitet.
FR861419A (fr) * 1938-11-10 1941-02-08 Oerlikon Maschf Dispositif de commande électrique des commandes des interrupteurs
FR2274151A1 (fr) * 1974-06-07 1976-01-02 Gardy Schema d'installation electrique a telerupteurs
EP0099807A1 (de) * 1982-07-12 1984-02-01 José Garcia Steuerungsschaltung zur Ausschaltung von Geräten, insbesondere von Beleuchtungsgeräten
FR2536904A1 (fr) * 1982-11-29 1984-06-01 Merlin Gerin Circuit electronique de commande d'un appareillage a fonctionnement multiple equipe d'un mecanisme a electro-aimant
EP0199612A1 (de) * 1985-03-26 1986-10-29 Merlin Gerin Mehrpoliges Schaltgerät mit Fernsteuerung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666254A (en) * 1995-09-14 1997-09-09 Raychem Corporation Voltage sensing overcurrent protection circuit
US5689395A (en) * 1995-09-14 1997-11-18 Raychem Corporation Overcurrent protection circuit
US5737160A (en) * 1995-09-14 1998-04-07 Raychem Corporation Electrical switches comprising arrangement of mechanical switches and PCT device
US5864458A (en) * 1995-09-14 1999-01-26 Raychem Corporation Overcurrent protection circuits comprising combinations of PTC devices and switches
WO2000028791A1 (en) * 1998-11-06 2000-05-18 Giampietro, Carla Electric load control device with reset function and electrical system using such control device

Also Published As

Publication number Publication date
EP0424283B1 (de) 1994-12-07
FR2653592B1 (fr) 1991-12-20
ES2067713T3 (es) 1995-04-01
DE69014827D1 (de) 1995-01-19
FR2653592A1 (fr) 1991-04-26
DE69014827T2 (de) 1995-06-08

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