EP2555216A1 - Elektrogerät, das mit zwei Steuerklemmen ausgestattet ist, um ein mobiles Organ wahlweise in Ruhe- oder Arbeitsstellung zu versetzen - Google Patents

Elektrogerät, das mit zwei Steuerklemmen ausgestattet ist, um ein mobiles Organ wahlweise in Ruhe- oder Arbeitsstellung zu versetzen Download PDF

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Publication number
EP2555216A1
EP2555216A1 EP12177854A EP12177854A EP2555216A1 EP 2555216 A1 EP2555216 A1 EP 2555216A1 EP 12177854 A EP12177854 A EP 12177854A EP 12177854 A EP12177854 A EP 12177854A EP 2555216 A1 EP2555216 A1 EP 2555216A1
Authority
EP
European Patent Office
Prior art keywords
circuit
state
connection point
control circuit
control terminals
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
EP12177854A
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English (en)
French (fr)
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EP2555216B1 (de
Inventor
Benjamin Leclercq
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SNC
Legrand France SA
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Filing date
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Application filed by Legrand SNC, Legrand France SA filed Critical Legrand SNC
Priority to PL12177854T priority Critical patent/PL2555216T3/pl
Publication of EP2555216A1 publication Critical patent/EP2555216A1/de
Application granted granted Critical
Publication of EP2555216B1 publication Critical patent/EP2555216B1/de
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Anticipated expiration legal-status Critical

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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
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
    • H01H47/10—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current by switching-in or -out impedance external to the relay winding
    • 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
    • H01H47/223—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 adapted to be supplied by AC

Definitions

  • the invention relates to electrical devices which comprise two control terminals and a movable member selectively taking a rest position and a working position respectively in the absence and in the presence, between the control terminals, of a network voltage. AC power supply.
  • Such devices are for example electrical contactors (the movable member is a contact-carrying member) or electric fluidic valves (the movable member is a drive member of a valve spool).
  • these devices generally comprise a resilient member for biasing the movable member towards the rest position and, between the control terminals, a control circuit comprising the winding of a coil for driving the movable member to the against the elastic member from the rest position to the working position when said voltage appears between the control terminals, and to keep the movable member in working position as the voltage persists between the control terminals.
  • the invention aims to provide a similar device but with improved performance.
  • a predominantly capacitive current limiting device and more generally the provision of the insertion circuit in an AC portion of the control circuit, is made possible by the use of a non-switching switching element. not unidirectional as a transistor but bidirectional, for example a triac.
  • the energy consumed by the current limiting device is, on equal terms, much lower than in the aforementioned prior devices.
  • the current limiting member is a resistor.
  • the apparatus according to the invention thus offers excellent performance in terms of energy consumption and internal heating.
  • the current limiting device can be implemented without heating or in any case with moderate heating, it is possible to provide a difference in the apparatus according to the invention. between the nominal current (passage from the rest position to the working position) and the limited current (holding in the working position) much greater than when the current limiting member is a resistor.
  • the limited current would be 18 to 20 mA with a current limiting member formed by a resistor while with a capacitor, it is possible in good conditions to have an intensity limited current of 5 mA.
  • the capacity of the invention to have this greater difference between the nominal intensity and the limited intensity makes possible the use of more powerful coils than in previous apparatuses where it was necessary to limit the power to avoid a consumption and overheating.
  • This ability to increase the power of the coil allows the device according to the invention to be particularly efficient, especially in terms of effort to maintain the working position and speed of passage from the rest position to the position working and vice versa.
  • said winding is part of said AC portion.
  • said winding is part of said rectified current portion.
  • the apparatus comprises a printed circuit board comprising said insertion circuit, said control circuit and said rectifier circuit.
  • said movable member is a contact-carrying member of a modular-sized electrical contactor.
  • the electrical apparatus 10 illustrated on the figure 1 is an electric contactor comprising two control terminals 11 (only one of which is visible on the figure 1 ) and two power terminals 12.
  • the power terminals 12 When the voltage of the AC supply network is applied between the control terminals 11, the power terminals 12 are connected to each other. In the absence of the mains voltage between the control terminals 11, the power terminals 12 are isolated from each other.
  • the apparatus 10 has a generally parallelepipedal shape with two main faces 13 and side faces extending from one to the other of the main faces 13, namely a rear face 14, a lower face 15 , a front face 16 and an upper face 17.
  • the rear face 14 has a notch 18 for mounting the device 1 on a standard support rail with ⁇ profile.
  • the lower face 15 has access orifices to the control terminals 11 and to one of the power terminals 12.
  • the front face 16 has, in central position, about half of its length, a nose 20 having an operating key 21.
  • the upper face 17 has an orifice giving access to the other power terminal 12.
  • the apparatus 10 is of the modular type, that is to say that, in addition to its generally parallelepipedal shape, its width (distance between the two main faces 13) is a multiple of a normalized value, known under the name of "module", which is of the order of 18 mm.
  • Each power terminal 12 is connected, by a rigid conductor 22, to a fixed contact ground 23.
  • a movable member 25 has two distal ends to each of which it carries a movable contact bead 26.
  • the movable member 25 is illustrated in a rest position where the grains 26 are away from the grains 23.
  • the power terminals 12 are then isolated from one another.
  • the movable member 25 has moved to the left of the figure 1 so that the moving grains 26 come into contact with the fixed grains 23.
  • the power terminals 12 are then connected to one another.
  • the apparatus 10 To drive the movable member 25 against the elastic member 27, from the rest position ( figure 1 ) at the working position ( figure 2 the apparatus 10 comprises a coil 33 configured to drive a lever 34 which in turn drives an arm 35 which in turn drives a support 45 on which the movable member 25 is mounted.
  • the coil 33 comprises a frame 36, a coil 37 wound around a tubular central portion of the frame 36, a movable armature 30 and a fixed armature 31.
  • the movable armature 30 and the fixed armature 31 each have a same shape. E with a central branch engaged in the hollow space of the central part of the frame 36 and the end branches which are on either side of the central part of the frame 36.
  • the fixed armature 31 is secured to the frame 36.
  • the movable armature 30 is guided coaxially with the frame 36 between the rest position illustrated in FIG. figure 1 and a working position where it is close to the fixed armature 31.
  • the frame 36 comprises a bearing 40 around which the lever 34 is articulated.
  • the lever 34 has a finger 41 engaged in an oblong hole 42 of the movable armature 30 while at the other end the lever 34 has a fork 43 in which is disposed a finger 44 located at one end of the arm 35 whose other end (not visible) is connected to the support 45 on which is mounted the movable member 25.
  • the elastic member 27 biases the movable armature 30 towards the rest position.
  • the elastic member 27 is formed by a spring (not visible) biasing the movable armature 30 in the direction where it deviates from the movable armature 31.
  • a spring not visible biasing the movable armature 30 in the direction where it deviates from the movable armature 31.
  • there is a other spring not visible for optimizing the contact pressure between the stationary grains 23 and the moving grains 26.
  • the control circuit 32 further includes terminals 11 and coil 37 of the coil 36, a printed circuit board 51 (see also FIG. figure 1 ) having two network connection points 52 and two winding connection points 53.
  • the network connection points 52 are each connected to a respective one of the control terminals 11.
  • the winding connection points 53 are each connected to a respective end of the winding 37.
  • the printed circuit board 51 includes an opto-triac 54 having a triac 55 between two triac connection points 56 and 57 and having a light emitting diode 58 between an anode connection point 59 and a cathode connection point 60.
  • the triac connection point 56 is connected to one of the network connection points 52.
  • the triac connection point 57 is connected to one of the winding connection points 53.
  • a capacitor 61 is connected to a side at the triac connection point 56 and is connected on the other side to the triac connection point 57. Thus, the capacitor 61 is disposed in parallel with the triac 55.
  • the triac 55 and the capacitor 61 arranged in parallel with the triac 55 form an insertion circuit 62 for the capacitor 61: when the triac 55 is in the conductive state, the current flows in the circuit 62 through the triac 55; and when the triac 55 is in the off state, the current flows in the circuit 62 through the capacitor 61.
  • the switch 50 When the switch 50 is in the closed position and the triac 55 is in the conductive state, the coil 37 is connected to the poles L and N of the supply network. When the switch 50 is in the closed position and the triac 55 is in the off state, the capacitor 61 is in series with the coil 37 between the poles L and N of the supply network.
  • the triac 55 is controlled to be in the conductive state for a predetermined time from the moment the switch 50 has been put in the closed position, this predetermined time being sufficient for the armature movable 30 has passed from the rest position to the working position, and after this predetermined time, the triac 55 is controlled to go off, so that the current flowing through the coil 37 must also pass through the capacitor 61.
  • the capacitance of the capacitor 61 is chosen so that the decreased intensity current flowing through the capacitor 61 and the coil 37 is sufficient for the movable armature 30 to remain in the working position.
  • the printed circuit board 51 comprises a rectifier circuit 65 having two connection points 66 and 67 at an AC portion of the control circuit 32 and two connection points 68 and 69 at a rectified current portion of the control circuit 32.
  • the rectifier circuit 55 is formed by a diode Gra ⁇ tz bridge with the connection point 69 which is at the reference potential and the connection point 68 which is at a higher potential than the reference potential.
  • the rectified current portion of the control circuit 32 is entirely part of the printed circuit board 51, and forms a control circuit 63 of the triac 55.
  • control circuit 63 other than the diode 58 will now be described.
  • a resistor 70 and a resistor 71 are arranged in series between the connection point 68 of the rectifier circuit 65 and the anode connection point 59 of the opto-triac 54.
  • the cathode connection point 60 of the opto-triac 54 is connected to the connection point 69 raised to the reference potential.
  • a thyristor 72 has its anode which is connected to the side of the resistor 71 opposite the side of this resistor connected to the connection point 59, its cathode which is connected to the cathode connection point 60 of the opto-triac 54 (brought to the reference potential) and its trigger which is connected to an intermediate point between a resistor 73 and a capacitor 74, with the other side of the resistor 73 which is connected to the anode of the thyristor 72 and the other side of the capacitor 74 which is connected to the cathode connection point 60 (brought to the reference potential).
  • the resistors 70 and 71 serve to reduce the intensity of the current flowing in the diode 58.
  • Resistor 73 and capacitor 74 serve to turn thyristor 72 from the off state to the conductive state after a predetermined time set by the value of resistor 73 and capacitance of capacitor 74.
  • the capacitor 74 When the switch 50 is in the open position, the capacitor 74 is in the discharged state, the thyristor 72 is in the off state, the diode 58 is in the off state and the triac 55 is in the off state.
  • the capacitor 74 When the capacitor 74 is charged, the voltage becomes sufficient at the gate of the thyristor 72 so that the thyristor 72 switches to the conductive state.
  • the diode 58 then goes off, which triggers the passage of the triac 55 from the conductive state to the off state.
  • the current flowing in the circuit 62 then passes through the capacitor 61 and the intensity in the coil 37 is reduced.
  • one of the winding connection points 153 is connected to the rectified current connection point 168 of the rectifier circuit 165 and the other winding connection point 153 of the printed circuit board 151 is connected to the anode of the rectifier circuit 165.
  • the cathode of the thyristor 172 and the cathode connection point 160 of the opto-triac 154 are connected to the connection point 169 of the rectifier circuit 165 which is at the reference potential.
  • each of the AC connection points 66 and 67 of the rectifier circuit 65 is connected to a respective one of the control terminals 11 of the apparatus 10, in the control circuit 32 illustrated in FIG. figure 4 only the AC connection point 167 of the rectifier circuit 165 is connected to one of the control terminals 11, the other AC connection point 166 being connected to one side of the insertion circuit 162; other side of the insertion circuit 162 being connected to the other control terminal 11.
  • the printed circuit board 151 of the control circuit 32 of the figure 4 is configured so that the current flowing in the winding 37 comes from the AC supply network passing through the insertion circuit 162 and the rectifier circuit 165. Therefore, when the triac 155 of the opto-triac 154 is in the conductive state and in the off state, the intensity of the rectified current in the coil 37 is respectively nominal and limited.
  • connection point 167 of the rectifier circuit 165 is connected to the triac connection point 157 of the opto-triac 154, the triac connection point 156 is connected to the cathode of a zener diode 80, the Anode of the Zener diode 80 is connected to the network connection point 152 of the printed circuit board 151, one side of the capacitor 161 is connected to the triac connection point 157 and the other side of the capacitor 161 is connected. at the point of connection 152.
  • the Zener diode 80 is thus in series with the triac 155.
  • Zener diode 80 serves to facilitate the passage of triac 155 from the conductive state to the off state.
  • the gate of the thyristor 172 is connected to the cathode of a diode 81 whose anode is connected to an intermediate point between a resistor 173 and a capacitor 174, with the other side of the resistor 173 which is connected to the connection point 168 of the rectifier circuit 165 and the other side of the capacitor 174 which is connected to the cathode connection point 160 (brought to the reference potential).
  • the resistor 173 and the capacitor 174 are used to turn the thyristor 172 from the off state to the conductive state after a predetermined duration set by the value of the resistance 173 and the capacitance of the capacitor 174.
  • resistor 82 In parallel with the capacitor 174 is a resistor 82.
  • a capacitor 83 and a resistor 84 are arranged in parallel.
  • the resistor 82 allows the capacitor 174 to discharge rapidly as the switch 50 moves from the closed position to the open position.
  • the capacitor 83 and the resistor 84 operate a filtration to prevent the thyristor 172 from being accidentally switched off in the conductive state under the effect of parasites that can be amplified by the winding 37.
  • the diode 81 makes the charging time of the capacitor 174 reliable by preventing back-flows.
  • the capacitor 174 is in the discharged state
  • the thyristor 172 is in the off state
  • the diode 158 is in the off state
  • the triac 155 is in the off state.
  • the capacitor 174 When the capacitor 174 is charged, the voltage becomes sufficient at the gate of the thyristor 172 so that the thyristor 172 switches to the conductive state.
  • the diode 158 then goes off, which triggers the passage of the triac 155 from the conductive state to the off state.
  • the current flowing in the circuit 162 then passes through the capacitor 161 and the intensity in the coil 37 is reduced.
  • control circuit 32 of the figure 3 and the control circuit 32 of the figure 4 avoid, in the event of failure of the thyristor 72 or 172, that the coil 37 can be permanently supplied with nominal intensity.
  • the insertion circuit 62 or 162 is part of the AC portion, and that allows the capacitor 61 or 161 to be used as a current limiting device.
  • Having a capacitor as a current limiting device, rather than a resistor, has the advantage of greatly reducing the power consumption of the apparatus 10 and the heat dissipation within the apparatus 10 .
  • the current limiting device is not purely capacitive, but at least predominantly capacitive, ie the impedance provided by the current limiting device, given the frequency of the current network.
  • AC power supply comes for the most part from the capacity of the current limiting device.
  • the triac 55 or 155 forms a bidirectional switching element and the diode 58 or 158 forms a triggering member of the triac 55 or 155, with the state on which constitutes a state active where the diode 58 or 158 causes the triac 55 or 155 to assume the conducting state, with the state off which constitutes an inactive state where the diode 58 or 158 causes the triac 55 or 155 to be in the off state, with the point anode connection 59 or 159 which constitutes a first point of connection to a driving potential, and with the cathode connection point 60 or 160 which constitutes a second point of connection to a reference potential, the triggering member that forms the diode 58 or 158 being in the active state when the potential of the first connection point is greater than at least one predetermined threshold to the potential of the second connection point (this threshold corresponds to the tripping threshold of the diode 58 or 158) and being otherwise in
  • the thyristor 72 or 172 of the control circuit 63 or 163 forms a control switching element which has a blocked state and a conductive state for respectively isolating one from the other and short-circuiting the connection point d. anode 59 or 159 and the cathode connection point 60 or 160; and that the gate of the thyristor 72 or 172 forms a control point of this driver switching member which is activated or not depending on whether or not the capacitor 74 or 174 is loaded.
  • the triac 55 or 155 is replaced by another bidirectional switching member while the diode 58 or 158 and the thyristor 72 or 172 are replaced by the appropriate drivers.
  • the triac 55 is replaced by two MOSFET or IGBT transistors arranged in inverse series, that is to say in series with one of the transistors which is arranged in the opposite direction to the other, the driving organs controlling one of the transistors during the positive voltage half-waves and controlling the other transistor during the negative voltage half-waves.
  • the apparatus according to the invention is a contactor normally closed rather than normally open, that is to say that the power terminals 12 are connected to each other in the absence of voltage at the control terminals 11 and isolated from each other in the presence of voltage; the format of the device is different from the modular format; and / or the apparatus is different from an electrical contactor, with for example the movable member which is not a contact-carrying member, but for example a drive member of a slide of a fluidic valve.
EP12177854.2A 2011-08-01 2012-07-25 Elektrogerät, das mit zwei Steuerklemmen ausgestattet ist, um ein mobiles Organ wahlweise in Ruhe- oder Arbeitsstellung zu versetzen Active EP2555216B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12177854T PL2555216T3 (pl) 2011-08-01 2012-07-25 Urządzenie elektryczne zawierające dwa zaciski sterujące dla selektywnego wprowadzania członu ruchomego w położenie spoczynkowe i w położenie pracy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1157030A FR2978862B1 (fr) 2011-08-01 2011-08-01 Appareil electrique comportant deux bornes de commande pour mettre un organe mobile selectivement en position de repos et en position de travail

Publications (2)

Publication Number Publication Date
EP2555216A1 true EP2555216A1 (de) 2013-02-06
EP2555216B1 EP2555216B1 (de) 2013-11-27

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EP12177854.2A Active EP2555216B1 (de) 2011-08-01 2012-07-25 Elektrogerät, das mit zwei Steuerklemmen ausgestattet ist, um ein mobiles Organ wahlweise in Ruhe- oder Arbeitsstellung zu versetzen

Country Status (4)

Country Link
EP (1) EP2555216B1 (de)
ES (1) ES2443741T3 (de)
FR (1) FR2978862B1 (de)
PL (1) PL2555216T3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104701083A (zh) * 2013-12-10 2015-06-10 珠海格力电器股份有限公司 继电器触点控制方法、装置和设备
EP3709333A1 (de) * 2019-03-14 2020-09-16 Legrand France Elektrisches gerät zur versorgung oder nichtversorgung einer last in abhängigkeit vom ein- oder aus-zustand eines bedienorgans
RU2798773C2 (ru) * 2019-03-14 2023-06-27 Легран Франс Электрическое устройство для подключения или отключения питания нагрузки в зависимости от проводящего или непроводящего состояния командного элемента

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006843A1 (de) 1978-07-06 1980-01-23 Bürkert GmbH Magnetventil mit elektronischer Steuerung
FR2686189A1 (fr) 1992-01-14 1993-07-16 Hager Electro Perfectionnement aux appareils interrupteurs a commande electromagnetique et manuelle, tels que relais, contacteurs ou contacteurs jour-nuit.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0006843A1 (de) 1978-07-06 1980-01-23 Bürkert GmbH Magnetventil mit elektronischer Steuerung
US4291358A (en) * 1978-07-06 1981-09-22 Burkert Gmbh Magnetic valve with electronic control
FR2686189A1 (fr) 1992-01-14 1993-07-16 Hager Electro Perfectionnement aux appareils interrupteurs a commande electromagnetique et manuelle, tels que relais, contacteurs ou contacteurs jour-nuit.

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104701083A (zh) * 2013-12-10 2015-06-10 珠海格力电器股份有限公司 继电器触点控制方法、装置和设备
CN104701083B (zh) * 2013-12-10 2018-01-05 珠海格力电器股份有限公司 继电器触点控制方法、装置和设备
EP3709333A1 (de) * 2019-03-14 2020-09-16 Legrand France Elektrisches gerät zur versorgung oder nichtversorgung einer last in abhängigkeit vom ein- oder aus-zustand eines bedienorgans
FR3093869A1 (fr) * 2019-03-14 2020-09-18 Legrand France Appareil électrique pour alimenter ou non une charge en fonction de l’état passant ou bloqué d’un organe de commande
RU2798773C2 (ru) * 2019-03-14 2023-06-27 Легран Франс Электрическое устройство для подключения или отключения питания нагрузки в зависимости от проводящего или непроводящего состояния командного элемента

Also Published As

Publication number Publication date
EP2555216B1 (de) 2013-11-27
FR2978862B1 (fr) 2013-09-27
ES2443741T3 (es) 2014-02-20
FR2978862A1 (fr) 2013-02-08
PL2555216T3 (pl) 2014-04-30

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