EP2819135B1 - Electrical contactor and method for controlling such a contactor - Google Patents

Electrical contactor and method for controlling such a contactor Download PDF

Info

Publication number
EP2819135B1
EP2819135B1 EP14173615.7A EP14173615A EP2819135B1 EP 2819135 B1 EP2819135 B1 EP 2819135B1 EP 14173615 A EP14173615 A EP 14173615A EP 2819135 B1 EP2819135 B1 EP 2819135B1
Authority
EP
European Patent Office
Prior art keywords
contact
moving contact
contacts
movable
switches
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.)
Active
Application number
EP14173615.7A
Other languages
German (de)
French (fr)
Other versions
EP2819135A1 (en
Inventor
David Couzon
Joël Reboulet
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 Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP2819135A1 publication Critical patent/EP2819135A1/en
Application granted granted Critical
Publication of EP2819135B1 publication Critical patent/EP2819135B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • 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
    • H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H33/596—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle for interrupting dc
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/40—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc

Definitions

  • the present invention relates to an electric contactor, as well as a method of controlling such a contactor.
  • An electrical contactor comprises at least one pair of fixed contacts, and for each pair of fixed contacts, a movable contact between a closed position and an open position. More specifically, the fixed contacts are electrically connected to each other, when the movable contact is in the closed position, and electrically isolated from each other, when the movable contact is in the open position.
  • a persistent issue in the field of electrical contactors is to operate the contactor optimally for a DC application, that is to say to propose a contactor architecture whose operation is optimized when traversed by a direct current and in a transitional period of opening.
  • the transitional opening period corresponds to a period when at least one movable contact is being moved between the open position and the closed position.
  • the object of the invention is therefore to provide an electrical contactor which, when traversed by a DC current, during the transitional period of opening, has a better thermal operation and improves the opening of its movable contacts.
  • the contactor comprises in the same housing the first or second switches and switches, while after receiving an order to open the contactor by the control device, the control device is clean to controlling the displacement of the or each first movable contact in the open position before that of each second movable contact in the open position, with a time offset of between 10 milliseconds (ms) and 1 second (s) between the displacement of the first movable contact (s) and moving the second moving contacts, preferably between 50 ms and 500 ms, more preferably between 50 ms and 100 ms, and when the or each first movable contact is in the closed position, the second switches are connected in parallel, while when the or each first movable contact is in the open position, the second switches are connected in series
  • the offset opening of the or each first movable contact relative to the second movable contact in the transitional period of opening, that is to say just after receipt of the opening order , to have optimized thermal operation, as well as to ensure the opening of the first (s) and second (s) movable contacts.
  • the contactor 10 comprises a housing 11 which surrounds all the elements included in the contactor 10.
  • the contactor 10 comprises a first switch 12 and three second switches 14.
  • the first switch 12 is connected in parallel with the three second switches 14, and the three second switches 14 are connected in series.
  • the contactor 10 comprises a first contact holder 16 associated with the first switch 12 and a second contact holder 17 associated with the second switches 14.
  • the contactor 10 also comprises a device 20 for controlling the contact carriers 16, 17 and a member 22 for supplying electrical power to the control device 20.
  • the contactor 10 comprises a current input terminal E1 and a current output terminal S1.
  • the input terminal E1 and the output terminal S1 are adapted to be connected to an electrical installation, not shown, equipped with the contactor 10.
  • the first switch 12 comprises a pair of first fixed contacts 24 and a first contact 26 movable between a closed position and an open position.
  • the first fixed contacts 24 are, in the closed position of the first movable contact 26, electrically connected to each other via the first movable contact 26, and in the open position of the first movable contact 26, electrically isolated from each other. To the figure 1 the first movable contact 26 is in the open position.
  • Each second switch 14 comprises a pair of second fixed contacts 28 and a second contact 30 movable between a closed position and an open position.
  • the second fixed contacts 28 are, in the closed position of each second movable contact 30, electrically connected to each other via each second movable contact 30, and are, in the open position of each second movable contact 30, electrically isolated from each other .
  • each second movable contact 30 is in the open position.
  • the first contact carrier 16 is adapted to hold each first movable contact 26.
  • Each first movable contact 26 is for example fixed integrally to the first contact carrier 16, so that the displacement of the first contact port 16 automatically causes the displacement of each first moving contact 26.
  • the second contact carrier 17 is able to hold each second movable contact 30.
  • Each second movable contact 30 is for example fixed integrally to the second contact carrier 17, so that the displacement of the second contact port 17 automatically causes the displacement of each second moving contact 30.
  • the control device 20 comprises a first member 32 for controlling the first contact holder 16 and a second member 34 for controlling the second contact holder 17.
  • the control device 20 also comprises a member 36 for synchronizing the first and second control members. control 32, 34.
  • the control device 20 is able to control the displacement of the first 16 and the second 17 door-contacts for opening or closing the first movable contact 26 and the second movable contacts 30, that is to say for the opening or closing the first switch 12 and respectively each second switch 14.
  • Each first movable contact 26 and each first fixed contact 24 are dimensioned so that their heating at nominal operating current, that is to say at nominal operating current of the electrical installation, is less than a normative value. For example, for a nominal operating current of 65 amps the heating of each first movable contact 26 and each first fixed contact 24 is less than 65 ° Celsius. Normally, the temperature is measured at the terminals E1, S1 respectively of current input and current output.
  • Each second movable contact 30 and each second fixed contact 28 are dimensioned so as to have a minimum deterioration at the appearance of an electric arc, upon the opening of each second movable contact 30.
  • the second switches 14 are intended, at the opening of their second movable contact 30, to see an electric arc to be formed between the second movable contacts 30 and fixed 28 respectively.
  • the first control member 32 and the second control member 34 respectively comprise a first control coil 38 and a second control coil 40.
  • the synchronizing member 36 is clean, during the opening of the first movable contact 26, measuring a current I through the first control coil 38.
  • the synchronizing member 36 is adapted to control the opening of the second movable contacts 30, via the second control member 34, as a function of the value of the current I.
  • the first coil 38 and the second coil 40 are able to control the displacement of the first contact carrier 16 and respectively of the second contact carrier 17, for the opening or closing of the first movable contact 26 and the second movable contacts 30 respectively.
  • the input terminal E1 and the output terminal S1 are electrically connected to one another, and the first switch 12 is connected in parallel with the second switches 14, themselves connected in series.
  • the control device 20 controls, using the first control member 32 and the second control member 34 and the first coil 38 and the second coil 40, moving the first movable contact 26 in the open position before controlling the displacement of each second movable contact 30 in the open position. More specifically, the opening is made with a time shift between, on the one hand, the first movable contact 26, and secondly, the second movable contacts 30.
  • the time offset between the displacement of the first movable contact 26 in position open and the displacement of the second moving contacts 30 in the open position is between 50 milliseconds (ms) and 1 second, preferably between 100 ms and 500 ms, more preferably between 100 ms and 200 ms.
  • the synchronizing member 36 After receiving the opening command, the synchronizing member 36 measures the current I flowing in the first coil 38, the first coil 38 comprising, for example, a movable magnetic core, not shown, which causes the movement of the first When this movable core moves, the first contact carrier 16 is moved to cause the opening of the first movable contact 26, and the mobile magnetic core consumes current. Thus, the current I which passes through the first coil 38 and is measured by the synchronization block 36 increases. Then, when the first movable contact 26 is in the open position, the mobile core stops and no longer consumes current. Thus, the current I through the coil 38 is stable, and the first contact carrier 16 has traveled its entire opening race.
  • the first coil 38 comprising, for example, a movable magnetic core, not shown, which causes the movement of the first
  • the first contact carrier 16 is moved to cause the opening of the first movable contact 26, and the mobile magnetic core consumes current.
  • the current I which passes through the first coil 38 and is measured by the synchronization block 36 increases.
  • the synchronization block 36 detects that the current flowing through the first coil 20 no longer increases or has reached a predetermined value, it controls via the second control member 34 and the second coil 40 the opening of each second movable contact 30, the second movable contacts 30 being displaced in the open position almost simultaneously, since they are all held together by the second contact holder 17.
  • the opening offset in time of the first movable contact 26 and the second movable contacts 30 is performed as a function of the value of the current I.
  • the contactor 100 comprises a housing 102 which includes all the elements included in the contactor 100.
  • the switch 100 comprises two first switches 104 and three second switches 106.
  • the switch 100 also comprises a contact carrier 108 and two shafts, not shown, along which the contact carrier 108 is adapted to translate.
  • the contactor 100 comprises a current input terminal E2 and a current output terminal S2.
  • Each first switch 104 comprises a pair of first fixed contacts 110 and a first contact 112 movable between a closed position and an open position.
  • each second switch 106 comprises a pair of second fixed contacts 114 and a second contact 116 movable between a closed position and an open position.
  • the contact carrier 108 is able to hold the first movable contacts 112 and the second movable contacts 116.
  • the contact carrier 108 is movable in translation along the shafts, in order to move the first movable contacts 112 and the second contacts. movable 116 in the open or closed position.
  • the first fixed contacts 110 are, for example, each in the form of a pellet 115, each pellet 115 being secured to a corresponding first mobile bridge 117, and oriented towards a lower inner face 118 of the housing 102.
  • Each first movable contact 112 comprises two first contact pads 119 integral with a second movable bridge 120 and connected by this second movable bridge 120. Each first movable contact 112 is connected to the contact carrier 108 via a first spring 121.
  • the second fixed contacts 114 are, for example, each in the form of a pellet 122, each pellet 122 being secured to a corresponding fixed bridge 123.
  • Each second movable contact 116 comprises two second contact pads 124 secured to the first movable bridge 117 and connected by this first movable bridge 117. These second pads 124 are oriented towards an upper inner face 125 of the housing 102. Each second movable contact 116 is connected. to the contact carrier 108 via a second spring 126.
  • the first, respectively second, fixed contacts 110 and 114 are, in the closed position of the first 112, respectively second 116 movable contact, interconnected via the first 112, respectively second 116 movable contact, and are electrically isolated from one of the other, in the open position of the first 112, respectively second 116 movable contact.
  • the contact holder 108 In the open position of the first 112 and second 116 movable contacts, the contact holder 108 is in the lower position, for example in abutment against the lower inner face 118.
  • the contact carrier 108 In the closed position of the first 112 and second 116 movable contacts, the contact carrier 108 is in the high position, for example in abutment against the upper internal face 125.
  • all the contacts 110, 112, 114, 116 are dimensioned so that their heating at the nominal operating current of the electrical installation is less than the normative values. For example, for a nominal operating current of 65 amps the heating of all contacts 110, 112, 114 and 116 is less than 65 ° Celsius.
  • the second movable contacts 116 and the second fixed contacts 114 are dimensioned in order to have a minimum deterioration at the appearance of an electric arc, upon the opening of each second movable contact 116. Indeed, the second switches 106 are intended, when opening their second movable contact 116, to see an electric arc is formed between the second movable contacts 116 and the second fixed contacts 114.
  • a control device is able to control the displacement of the contact holder 108 for the opening or closing of the first 104 and second 106 switches, that is to say to control the movement of each first movable contact 112 and each second movable contact 116.
  • Each first spring 121 is capable of exerting a first thrust force P1 on each first movable contact 112.
  • Each second spring 126 is capable of exerting a second thrust force P2 on each second movable contact 116, which is greater than the first thrust force P1.
  • the contactor 100 has a generally staggered structure with the first switches 104 located below the second switches 106 with respect to the upper face 125.
  • the first switches 104 and the second switches 106 are in closed position.
  • the second moving contacts 116 are connected in parallel via the first switches 104, the fixed bridges 123 and the second fixed contacts 114.
  • the connection of the fixed bridges 123 which connects fixed contacts 114 belonging to different second switches 106, and the connection of the first switches 104 to the second switches 106, via the first fixed contacts 110 makes it possible to connect in parallel the second switches 106, and more particularly the second movable contacts 116 and their first movable bridges 117.
  • the input terminal E2 and the output terminal S2 are then connected to each other.
  • the control device After receiving an order to open the contactor 100 by the control device, not shown, when the contactor 100 is in the configuration of the figure 3 , the control device controls the displacement of the contact holder 108 towards the lower inner face 118.
  • the equivalent electrical diagram of the contactor 100 shown in FIG. figure 6 illustrates the feature that according to the open or closed position of the first movable contacts 112, the second switches 106 are connected in parallel or in series.
  • the second switches 106 are connected in parallel, and when the first movable contacts 112 are in the open position, the second switches 106 are connected in series.
  • the contact holder 108 continues its displacement which causes the displacement of the second movable contacts 116, these remaining nevertheless in the closed position, because the thrust force P2 exerted by the second spring 126 is sufficient to hold them in position closed.
  • the second thrust force P2 is canceled, because compensated by the displacement of the contact carrier 108 which, during its displacement, exerts a force to move the second movable contacts 116 in a direction opposite to that of the second thrust force P2.
  • the second thrust force P2 becomes insufficient to keep the second movable contacts 116 in the closed position, which then separate from the second fixed contacts 114. Indeed, once the second thrust force P2 is compensated for, by the displacement of the carrier 108, each movable contact 116 moves towards the lower face 118 and is separated from the fixed contacts 114.
  • each first switch 104 and each second switch 106 are in the open position.
  • each first movable contact 112 is, when an electrical fault occurs, moved in the open position with a time offset relative to the displacement of each second movable contact 116. More specifically, each first movable contact 112 is moved to the open position before each second movable contact 116 is moved to the open position.
  • the time difference between the displacement of the first movable contacts 112 in the open position and the displacement of the second movable contacts 116 in the open position is between 10 ms and 1s, preferably between 50 ms and 500 ms, more preferably between 50 ms and 100 ms.
  • a contactor control method thus comprises several steps.
  • a first step consists in receiving the order of opening of the contactor 10, 100, by the control device 20, when the first 12, 104 and second 14, 116 switches are in the closed position.
  • a second step consists of the displacement of each first movable contact 26, 112 in the open position.
  • a third step consists of the displacement of each second movable contact 30, 116 in the open position, once each first movable contact 26, 112 is in the open position and with a time offset of between 10 ms and 1 s, preferably between 50 ms and 500 ms, more preferably between 50 ms and 100 ms.
  • the second switches 106 are connected in parallel previously to the second step of the control method, since each first movable contact 112 is in the closed position, and the second switches 106 are connected in parallel. series following the second step and previously to the third step of the control method, since each first movable contact 112 is in the open position.
  • the embodiment of the invention makes it possible to produce contactors 10 with compact dimensions, that is to say for example a length of 100 millimeters, a width of 50 mm and a height of 50 mm.
  • the number of second switches 14, 106 connected in series and dedicated to the cut, that is to say, able to see an electric arc to be formed between their second movable contacts 30, 116 and their second fixed contacts 28, 114 is for example increased to be suitable for breaking high voltages.
  • the increase in the number of contacts in series makes it possible to split the electric arc.
  • the aspect not included in the invention makes it possible to propose an even smaller size of the contactor 10, because the second switches 14 have dimensions smaller than the first switches 12 since their contacts 28, 30 are not dimensioned to have a heating limited, unlike 24 contacts, In fact, the second switches 14 are connected in parallel with a first switch 12 dedicated to the thermal function, that is to say capable of undergoing heating below a normative value, when is crossed by a nominal current.
  • the embodiment of the invention allows a certain modularity since the number and size of the fixed contacts 24, 28, 110, 114 and mobiles 26, 30, 112, 116, is variable.
  • the second switches 14 are dimensioned according to the requirements of the electrical installation, independently of the first switch 12.
  • control device comprises a single control member suitable for moving the first contact carrier and the contactor comprises a mechanical member adapted to follow the same displacement as that of the first contact carrier and to move the second contact carrier.
  • the mechanical member is at a distance from the second contact carrier so that the displacement of the second contact carrier is performed with a time shift relative to the displacement of the first contact carrier .
  • This time difference is a function of the distance between the mechanical member and the second contact holder when the first and second movable contacts are in the closed position.
  • the fact that the second switches 106 are connected in parallel when the first movable contact 112 is in the closed position makes it possible to distribute a current flowing through the contactor 100 between the different switches 106 and thus limiting the current flowing through each second switch 106. This makes it possible to limit the heating experienced by the second switches 106 when a current flows through the contactor 100 and thus to provide second switches 106 of reduced dimensions. The size of the contactor 100 is therefore limited.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Keying Circuit Devices (AREA)

Description

La présente invention concerne un contacteur électrique, ainsi qu'un procédé de commande d'un tel contacteur.The present invention relates to an electric contactor, as well as a method of controlling such a contactor.

Un contacteur électrique comprend au moins une paire de contacts fixes, et pour chaque paire de contacts fixes, un contact mobile entre une position fermée et une position ouverte. Plus précisément, les contacts fixes sont reliés électriquement entre eux, lorsque le contact mobile est en position fermée, et isolés électriquement l'un de l'autre, lorsque le contact mobile est en position ouverte.An electrical contactor comprises at least one pair of fixed contacts, and for each pair of fixed contacts, a movable contact between a closed position and an open position. More specifically, the fixed contacts are electrically connected to each other, when the movable contact is in the closed position, and electrically isolated from each other, when the movable contact is in the open position.

Un enjeu persistant dans le domaine des contacteurs électriques est de faire fonctionner le contacteur de façon optimale pour une application en courant continu, c'est-à-dire de proposer une architecture de contacteur dont le fonctionnement est optimisé lorsqu'il est traversé par un courant continu et dans une période transitoire d'ouverture. La période transitoire d'ouverture correspond à une période où au moins un contact mobile est en cours de déplacement entre la position ouverte et la position fermée.A persistent issue in the field of electrical contactors is to operate the contactor optimally for a DC application, that is to say to propose a contactor architecture whose operation is optimized when traversed by a direct current and in a transitional period of opening. The transitional opening period corresponds to a period when at least one movable contact is being moved between the open position and the closed position.

Dans le domaine des contacteurs électriques, il est connu d'utiliser des contacteurs étudiés pour une utilisation en courant alternatif et de les relier les uns aux autres en série, afin de multiplier les contacts. Cette multiplication des contacts permet d'optimiser le fonctionnement en courant continu, et plus particulièrement à l'ouverture des contacts mobiles lors de l'apparition d'un arc électrique. En effet, la multiplication des contacts permet de fractionner l'arc électrique, qui apparaît. Cependant, dans ce type de contacteur, les contacts fixes et mobiles de tous les contacteurs électriques reliés en série doivent être dimensionnés pour que leur échauffement au courant nominal de fonctionnement soit inférieur aux valeurs normatives.In the field of electrical contactors, it is known to use contactors designed for use in alternating current and to connect them to each other in series, in order to multiply the contacts. This multiplication of contacts makes it possible to optimize DC operation, and more particularly to open the moving contacts when an electric arc occurs. Indeed, the multiplication of the contacts makes it possible to split the electric arc, which appears. However, in this type of contactor, the fixed and mobile contacts of all the series-connected electrical contactors must be dimensioned so that their heating at the nominal operating current is less than the normative values.

Lors du fonctionnement du contacteur électrique, lorsque les contacts mobiles sont en position fermée, les puissances dissipées par chaque contact s'additionnent. Ainsi la puissance dissipée dans l'ensemble des contacteurs connectés en série est importante, et le fonctionnement thermique du contacteur, comprenant l'ensemble de ses contacteurs connectés en série, n'est pas optimisé.During the operation of the electric contactor, when the movable contacts are in the closed position, the powers dissipated by each contact add up. Thus the power dissipated in all series connected contactors is important, and the thermal operation of the contactor, including all of its contactors connected in series, is not optimized.

Il est aussi connu du document US 4,536,814 A un contacteur comprenant deux interrupteurs connectés en parallèle et dont l'ouverture est décalée dans le temps et du document WO 2011/147458 A1 de câbler en série, comme expliqué précédemment, des contacteurs destinés à fonctionner en courant alternatif. Afin d'améliorer les performances en courant continu du contacteur décrit dans WO 2011/147458 A1 , il est proposé d'insérer un élément magnétique qui, lors de l'ouverture des contacts mobiles, oriente l'arc électrique créé vers des chambres de coupure et le fragmente. Cependant, de tels contacteurs ne présentent pas toujours un fonctionnement thermique optimisé.It is also known from the document US 4,536,814 A a contactor comprising two switches connected in parallel and whose opening is shifted in time and from the document WO 2011/147458 A1 to wire in series, as previously explained, contactors intended to operate in alternating current. In order to improve the DC performance of the contactor described in WO 2011/147458 A1 it is proposed to insert a magnetic element which, upon opening of the movable contacts, directs the created electric arc to breaking chambers and fragments it. However, such contactors do not always have optimized thermal operation.

Le but de l'invention est donc de proposer un contacteur électrique qui, lorsqu'il est traversé par un courant continu, lors de la période transitoire d'ouverture, présente un meilleur fonctionnement thermique et améliore l'ouverture de ses contacts mobiles.The object of the invention is therefore to provide an electrical contactor which, when traversed by a DC current, during the transitional period of opening, has a better thermal operation and improves the opening of its movable contacts.

A cet effet, l'invention a pour objet un contacteur électrique comprenant :

  • au moins un premier interrupteur, le ou chaque premier interrupteur comportant une paire de premiers contacts fixes et un premier contact mobile entre une position fermée et une position ouverte,
  • plusieurs deuxièmes interrupteurs chaque deuxième interrupteur comportant une paire de deuxièmes contacts fixes et un deuxième contact mobile entre une position fermée et une position ouverte,
les premiers, respectivement deuxièmes, contacts fixes étant, en position fermée du premier, respectivement deuxième, contact mobile, reliés électriquement entre eux via le premier, respectivement deuxième, contact mobile et étant isolés électriquement l'un de l'autre en position ouverte du premier, respectivement deuxième, contact mobile,
  • au moins un dispositif de commande du déplacement du ou de chaque premier, respectivement deuxième, contact mobile en position ouverte ou fermée.
For this purpose, the subject of the invention is an electric contactor comprising:
  • at least one first switch, the or each first switch having a pair of first fixed contacts and a first movable contact between a closed position and an open position,
  • a plurality of second switches each second switch having a pair of second fixed contacts and a second movable contact between a closed position and an open position,
the first, respectively second, fixed contacts being, in the closed position of the first and second movable contacts respectively, electrically connected to each other via the first and second movable contacts respectively and being electrically isolated from one another in the open position of the first, respectively second, moving contact,
  • at least one device for controlling the displacement of the or each first or second movable contact in the open or closed position.

Conformément à l'invention, le contacteur comprend dans un même boîtier le ou les premiers interrupteurs et les deuxièmes interrupteurs, tandis qu'après réception d'un ordre d'ouverture du contacteur par le dispositif de commande, le dispositif de commande est propre à commander le déplacement du ou de chaque premier contact mobile en position ouverte avant celui de chaque deuxième contact mobile en position ouverte, avec un décalage temporel compris entre 10 millisecondes (ms) et 1 seconde (s) entre le déplacement du ou des premiers contacts mobiles et le déplacement des deuxièmes contacts mobiles, de préférence compris entre 50 ms et 500 ms, de préférence encore compris entre 50 ms et 100 ms, et lorsque le ou chaque premier contact mobile est en position fermée, les deuxièmes interrupteurs sont connectés en parallèle, alors que lorsque le ou chaque premier contact mobile est en position ouverte, les deuxièmes interrupteurs sont connectés en sérieAccording to the invention, the contactor comprises in the same housing the first or second switches and switches, while after receiving an order to open the contactor by the control device, the control device is clean to controlling the displacement of the or each first movable contact in the open position before that of each second movable contact in the open position, with a time offset of between 10 milliseconds (ms) and 1 second (s) between the displacement of the first movable contact (s) and moving the second moving contacts, preferably between 50 ms and 500 ms, more preferably between 50 ms and 100 ms, and when the or each first movable contact is in the closed position, the second switches are connected in parallel, while when the or each first movable contact is in the open position, the second switches are connected in series

Selon des aspects avantageux de l'invention, le contacteur électrique comprend en outre une ou plusieurs des caractéristiques suivantes, prises isolément ou selon toutes les combinaisons techniquement possibles :

  • le contacteur comprend un seul porte-contacts de maintien du ou des premiers contacts mobiles et des deuxièmes contacts mobiles, le dispositif de commande étant propre à commander le déplacement dudit porte-contacts pour l'ouverture ou la fermeture du ou des premiers interrupteurs et des deuxièmes interrupteurs.
  • le porte-contacts est relié à le ou chaque premier contact mobile et chaque deuxième contact mobile par respectivement au moins un premier ressort et au moins un deuxième ressort, tandis qu'un premier effort de poussée exercé par le ou chaque premier ressort sur le ou chaque premier contact mobile est inférieur à un deuxième effort de poussée exercé par le ou chaque deuxième ressort sur chaque deuxième contact mobile.
According to advantageous aspects of the invention, the electric contactor further comprises one or more of the following characteristics, taken individually or in any technically possible combination:
  • the contactor comprises a single contact holder for holding the first movable contact or contacts and the second mobile contacts, the control device being adapted to control the movement of said contact carrier for the opening or closing of the first switches and second switches.
  • the contact carrier is connected to the or each first movable contact and each second moving contact by respectively at least one first spring and at least one second spring, while a first thrust force exerted by the or each first spring on the or each first movable contact is less than a second thrust force exerted by the or each second spring on each second movable contact.

L'invention a également pour objet un procédé de commande d'un contacteur électrique comprenant :

  • au moins un premier interrupteur, le ou chaque premier interrupteur comportant une paire de premiers contacts fixes et un premier contact mobile entre une position fermée et une position ouverte,
  • plusieurs deuxièmes interrupteurs chaque deuxième interrupteur comportant une paire de deuxièmes contacts fixes et un deuxième contact mobile entre une position fermée et une position ouverte,
  • les premiers, respectivement deuxièmes, contacts fixes étant, en position fermée du premier, respectivement deuxième, contact mobile, reliés électriquement entre eux via le premier, respectivement deuxième, contact mobile et étant isolés électriquement l'un de l'autre en position ouverte du premier, respectivement deuxième, contact mobile,
  • au moins un dispositif de commande du déplacement du ou de chaque premier, respectivement deuxième, contact mobile en position ouverte ou fermée.
The invention also relates to a method of controlling an electric contactor comprising:
  • at least one first switch, the or each first switch having a pair of first fixed contacts and a first movable contact between a closed position and an open position,
  • a plurality of second switches each second switch having a pair of second fixed contacts and a second movable contact between a closed position and an open position,
  • the first, respectively second, fixed contacts being, in the closed position of the first and second movable contacts respectively, electrically connected to each other via the first and second movable contacts respectively and being electrically isolated from one another in the open position of the first, respectively second, moving contact,
  • at least one device for controlling the displacement of the or each first or second movable contact in the open or closed position.

Conformément à l'invention, le procédé comprend les étapes suivantes :

  • a) la réception d'un ordre d'ouverture du contacteur par le dispositif de commande,
  • b) le déplacement du ou de chaque premier contact mobile en position ouverte, les deuxièmes interrupteurs étant connectés en parallèle lorsque le ou chaque premier contact mobile est en position fermée, et en série lorsque le ou chaque premier contact mobile est en position ouverte,
  • c) le déplacement de chaque deuxième contact mobile en position ouverte après celui du ou de chaque premier contact mobile en position ouverte, avec un décalage temporel compris entre 10 millisecondes (ms) et 1 seconde (s), entre le déplacement du ou des premiers contacts mobiles et le déplacement des deuxièmes contacts mobiles, de préférence compris entre 50 ms et 500 ms, de préférence encore compris entre 50 ms et 100 ms.
According to the invention, the method comprises the following steps:
  • a) receiving an order to open the contactor by the control device,
  • b) moving the or each first movable contact in the open position, the second switches being connected in parallel when the or each first movable contact is in the closed position, and in series when the or each first movable contact is in the open position,
  • c) moving each second movable contact in the open position after that of the first or each movable contact in the open position, with a time shift of between 10 milliseconds (ms) and 1 second (s), between the displacement of the first movable contacts and the displacement of the second moving contacts, preferably between 50 ms and 500 ms, more preferably between 50 ms and 100 ms.

Grâce à l'invention, l'ouverture décalée du ou de chaque premier contact mobile par rapport au deuxième contact mobile permet, dans la période transitoire d'ouverture, c'est-à-dire juste après réception de l'ordre d'ouverture, d'avoir un fonctionnement thermique optimisé, ainsi que d'assurer l'ouverture du ou des premier(s) et deuxième(s) contacts mobiles.Thanks to the invention, the offset opening of the or each first movable contact relative to the second movable contact, in the transitional period of opening, that is to say just after receipt of the opening order , to have optimized thermal operation, as well as to ensure the opening of the first (s) and second (s) movable contacts.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaitront à la lumière de la description qui va suivre, donnée uniquement à titre d'exemple non limitatif, et faite en se référant aux dessins annexés sur lesquels :

  • la figure 1 est une représentation schématique d'un contacteur électrique conforme à un aspect n'appartenant pas à l'invention ;
  • la figure 2 est une représentation en perspective d'un contacteur électrique conforme à un mode de réalisation de l'invention ;
  • la figure 3 est une représentation d'un porte-contacts du contacteur de la figure 2, en position haute, les contacts maintenus par le porte-contacts étant en position fermée ;
  • la figure 4 est une représentation du porte-contacts de la figure 3, dans une position intermédiaire où des contacts sont en position ouverte et d'autres en position fermée ;
  • la figure 5 est une représentation du porte-contacts des figures 3 et 4, en position basse, pour laquelle tous les contacts sont en position ouverte ;
  • la figure 6 est un schéma électrique équivalent du contacteur de la figure 2.
The invention will be better understood and other advantages thereof will appear in the light of the description which follows, given solely by way of nonlimiting example, and with reference to the appended drawings in which:
  • the figure 1 is a schematic representation of an electric contactor according to an aspect not belonging to the invention;
  • the figure 2 is a perspective representation of an electric contactor according to an embodiment of the invention;
  • the figure 3 is a representation of a contact carrier of the contactor of the figure 2 in the high position, the contacts held by the contact holder being in the closed position;
  • the figure 4 is a representation of the contact carrier of the figure 3 in an intermediate position where contacts are in the open position and others in the closed position;
  • the figure 5 is a representation of the contact-holder of the figures 3 and 4 , in the low position, for which all the contacts are in the open position;
  • the figure 6 is an equivalent circuit diagram of the contactor of the figure 2 .

Sur la figure 1, un contacteur 10 conforme à un aspect n'appartenant pas à l'invention est représenté. Le contacteur 10 comprend un boîtier 11 qui entoure l'ensemble des éléments compris dans le contacteur 10.On the figure 1 , a contactor 10 according to an aspect not belonging to the invention is shown. The contactor 10 comprises a housing 11 which surrounds all the elements included in the contactor 10.

Le contacteur 10 comprend un premier interrupteur 12 et trois deuxièmes interrupteurs 14. Le premier interrupteur 12 est connecté en parallèle des trois deuxièmes interrupteurs 14, et les trois deuxièmes interrupteurs 14 sont connectés en série.The contactor 10 comprises a first switch 12 and three second switches 14. The first switch 12 is connected in parallel with the three second switches 14, and the three second switches 14 are connected in series.

Le contacteur 10 comprend un premier porte-contacts 16 associé au premier interrupteur 12 et un deuxième porte-contacts 17 associé aux deuxièmes interrupteurs 14.The contactor 10 comprises a first contact holder 16 associated with the first switch 12 and a second contact holder 17 associated with the second switches 14.

Le contacteur 10 comprend également un dispositif 20 de commande des porte-contacts 16, 17 et un organe 22 d'alimentation en énergie électrique du dispositif de commande 20.The contactor 10 also comprises a device 20 for controlling the contact carriers 16, 17 and a member 22 for supplying electrical power to the control device 20.

Le contacteur 10 comprend une borne E1 d'entrée du courant et une borne S1 de sortie du courant. La borne d'entrée E1 et la borne de sortie S1 sont propres à être connectées à une installation électrique, non représentée, équipée du contacteur 10.The contactor 10 comprises a current input terminal E1 and a current output terminal S1. The input terminal E1 and the output terminal S1 are adapted to be connected to an electrical installation, not shown, equipped with the contactor 10.

Le premier interrupteur 12 comprend une paire de premiers contacts fixes 24 et un premier contact 26 mobile entre une position fermée et une position ouverte. Les premiers contacts fixes 24 sont, en position fermée du premier contact mobile 26, reliés électriquement entre eux via le premier contact mobile 26, et en position ouverte du premier contact mobile 26, isolés électriquement l'un de l'autre. A la figure 1, le premier contact mobile 26 est en position ouverte.The first switch 12 comprises a pair of first fixed contacts 24 and a first contact 26 movable between a closed position and an open position. The first fixed contacts 24 are, in the closed position of the first movable contact 26, electrically connected to each other via the first movable contact 26, and in the open position of the first movable contact 26, electrically isolated from each other. To the figure 1 the first movable contact 26 is in the open position.

Chaque deuxième interrupteur 14 comprend une paire de deuxièmes contacts fixes 28 et un deuxième contact 30 mobile entre une position fermée et une position ouverte. Les deuxièmes contacts fixes 28 sont, en position fermée de chaque deuxième contact mobile 30, reliés électriquement entre eux via chaque deuxième contact mobile 30, et sont, en position ouverte de chaque deuxième contact mobile 30, isolés électriquement l'un de l'autre. A la figure 1, chaque deuxième contact mobile 30 est en position ouverte.Each second switch 14 comprises a pair of second fixed contacts 28 and a second contact 30 movable between a closed position and an open position. The second fixed contacts 28 are, in the closed position of each second movable contact 30, electrically connected to each other via each second movable contact 30, and are, in the open position of each second movable contact 30, electrically isolated from each other . To the figure 1 each second movable contact 30 is in the open position.

Le premier porte-contacts 16 est propre à maintenir chaque premier contact mobile 26. Chaque premier contact mobile 26 est par exemple fixé solidairement au premier porte-contacts 16, de sorte que le déplacement du premier port-contacts 16 entraine automatiquement le déplacement de chaque premier contact mobile 26.The first contact carrier 16 is adapted to hold each first movable contact 26. Each first movable contact 26 is for example fixed integrally to the first contact carrier 16, so that the displacement of the first contact port 16 automatically causes the displacement of each first moving contact 26.

Le deuxième porte-contacts 17 est propre à maintenir chaque deuxième contact mobile 30. Chaque deuxième contact mobile 30 est par exemple fixé solidairement au deuxième porte-contacts 17, de sorte que le déplacement du deuxième port-contacts 17 entraine automatiquement le déplacement de chaque deuxième contact mobile 30.The second contact carrier 17 is able to hold each second movable contact 30. Each second movable contact 30 is for example fixed integrally to the second contact carrier 17, so that the displacement of the second contact port 17 automatically causes the displacement of each second moving contact 30.

Le dispositif de commande 20 comprend un premier organe 32 de commande du premier porte-contacts 16 et un deuxième organe 34 de commande du deuxième porte-contacts 17. Le dispositif de commande 20 comprend également un organe 36 de synchronisation des premier et deuxième organes de commande 32, 34.The control device 20 comprises a first member 32 for controlling the first contact holder 16 and a second member 34 for controlling the second contact holder 17. The control device 20 also comprises a member 36 for synchronizing the first and second control members. control 32, 34.

Le dispositif de commande 20 est propre à commander le déplacement du premier 16 et du deuxième 17 portes-contacts pour l'ouverture ou la fermeture du premier contact mobile 26 et respectivement des deuxièmes contacts mobiles 30, c'est-à-dire pour l'ouverture ou la fermeture du premier interrupteur 12 et respectivement de chaque deuxième interrupteur 14.The control device 20 is able to control the displacement of the first 16 and the second 17 door-contacts for opening or closing the first movable contact 26 and the second movable contacts 30, that is to say for the opening or closing the first switch 12 and respectively each second switch 14.

Chaque premier contact mobile 26 et chaque premier contact fixe 24 sont dimensionnés pour que leur échauffement en courant nominal de fonctionnement, c'est-à-dire en courant nominal de fonctionnement de l'installation électrique, soit inférieur à une valeur normative. A titre d'exemple, pour un courant nominal de fonctionnement de 65 Ampères l'échauffement de chaque premier contact mobile 26 et de chaque premier contact fixe 24 est inférieur à 65° Celsius. Normativement la température est mesurée au niveau des bornes E1, S1 respectivement d'entrée du courant et de sortie du courant.Each first movable contact 26 and each first fixed contact 24 are dimensioned so that their heating at nominal operating current, that is to say at nominal operating current of the electrical installation, is less than a normative value. For example, for a nominal operating current of 65 amps the heating of each first movable contact 26 and each first fixed contact 24 is less than 65 ° Celsius. Normally, the temperature is measured at the terminals E1, S1 respectively of current input and current output.

Chaque deuxième contact mobile 30 et chaque deuxième contact fixe 28 sont dimensionnés afin d'avoir une détérioration minimale à l'apparition d'un arc électrique, lors de l'ouverture de chaque deuxième contact mobile 30. En effet, les deuxièmes interrupteurs 14 sont destinés, à l'ouverture de leur deuxième contact mobile 30, à voir un arc électrique se former entre les deuxièmes contacts mobile 30 et fixes 28 respectifs.Each second movable contact 30 and each second fixed contact 28 are dimensioned so as to have a minimum deterioration at the appearance of an electric arc, upon the opening of each second movable contact 30. Indeed, the second switches 14 are intended, at the opening of their second movable contact 30, to see an electric arc to be formed between the second movable contacts 30 and fixed 28 respectively.

Le premier organe de commande 32 et le deuxième organe de commande 34 comprennent respectivement une première bobine de commande 38 et une deuxième bobine de commande 40.The first control member 32 and the second control member 34 respectively comprise a first control coil 38 and a second control coil 40.

L'organe de synchronisation 36 est propre, lors de l'ouverture du premier contact mobile 26, à mesurer un courant I traversant la première bobine de commande 38. L'organe de synchronisation 36 est propre à commander l'ouverture des deuxièmes contacts mobiles 30, via le deuxième organe de commande 34, en fonction de la valeur du courant I.The synchronizing member 36 is clean, during the opening of the first movable contact 26, measuring a current I through the first control coil 38. The synchronizing member 36 is adapted to control the opening of the second movable contacts 30, via the second control member 34, as a function of the value of the current I.

La première bobine 38 et la deuxième bobine 40 sont propres à commander le déplacement du premier porte-contacts 16 et respectivement du deuxième porte-contacts 17, pour l'ouverture ou la fermeture du premier contact mobile 26 et respectivement des deuxièmes contacts mobiles 30.The first coil 38 and the second coil 40 are able to control the displacement of the first contact carrier 16 and respectively of the second contact carrier 17, for the opening or closing of the first movable contact 26 and the second movable contacts 30 respectively.

En position fermée du premier contact mobile 26 et de chaque deuxième contact mobile 30, la borne d'entrée E1 et la borne de sortie S1 sont électriquement reliées l'une à l'autre, et le premier interrupteur 12 est connecté en parallèle des deuxièmes interrupteurs 14, eux-mêmes connectés en série.In the closed position of the first movable contact 26 and each second movable contact 30, the input terminal E1 and the output terminal S1 are electrically connected to one another, and the first switch 12 is connected in parallel with the second switches 14, themselves connected in series.

Lorsque le premier contact mobile 26 et chaque deuxième contact mobile 30 sont en position fermée, et qu'un ordre d'ouverture du contacteur 10 est reçu par le dispositif de commande 20, le dispositif de commande 20 commande, à l'aide du premier organe de commande 32 et du deuxième organe de commande 34 et de la première bobine 38 et de la deuxième bobine 40, le déplacement du premier contact mobile 26 en position ouverte avant de commander le déplacement de chaque deuxième contact mobile 30 en position ouverte. Plus précisément, l'ouverture est réalisée avec un décalage temporel entre, d'une part, le premier contact mobile 26, et d'autre part, les deuxièmes contacts mobiles 30. Le décalage temporel entre le déplacement du premier contact mobile 26 en position ouverte et le déplacement des deuxièmes contacts mobiles 30 en position ouverte est compris entre 50 millisecondes (ms) et 1 seconde, de préférence compris entre 100 ms et 500 ms, de préférence encore compris entre 100 ms et 200 ms.When the first movable contact 26 and each second moving contact 30 are in the closed position, and an opening order of the contactor 10 is received by the control device 20, the control device 20 controls, using the first control member 32 and the second control member 34 and the first coil 38 and the second coil 40, moving the first movable contact 26 in the open position before controlling the displacement of each second movable contact 30 in the open position. More specifically, the opening is made with a time shift between, on the one hand, the first movable contact 26, and secondly, the second movable contacts 30. The time offset between the displacement of the first movable contact 26 in position open and the displacement of the second moving contacts 30 in the open position is between 50 milliseconds (ms) and 1 second, preferably between 100 ms and 500 ms, more preferably between 100 ms and 200 ms.

Après réception de l'ordre d'ouverture, l'organe de synchronisation 36 mesure le courant I circulant dans la première bobine 38, la première bobine 38 comportant, par exemple, un noyau magnétique mobile, non représenté, qui entraine le mouvement du premier porte-contacts 16. Lorsque ce noyau mobile se déplace, le premier porte-contacts 16 est déplacé afin de provoquer l'ouverture du premier contact mobile 26, et le noyau magnétique mobile consomme du courant. Ainsi, le courant I qui traverse la première bobine 38 et est mesuré par le bloc de synchronisation 36 augmente. Puis, lorsque le premier contact mobile 26 est en position ouverte, le noyau mobile s'arrête et ne consomme plus de courant. Ainsi, le courant I traversant la bobine 38 est stable, et le premier porte-contacts 16 a parcouru toute sa course d'ouverture. Une fois que le bloc de synchronisation 36 détecte que le courant traversant la première bobine 20 n'augmente plus ou a atteint une valeur prédéterminée, il commande par l'intermédiaire du deuxième organe de commande 34 et de la deuxième bobine 40 l'ouverture de chaque deuxième contact mobile 30, les deuxièmes contacts mobiles 30 étant déplacés en position ouverte de manière quasi-simultanée, étant donné qu'ils sont tous maintenus solidairement par le deuxième porte-contacts 17.After receiving the opening command, the synchronizing member 36 measures the current I flowing in the first coil 38, the first coil 38 comprising, for example, a movable magnetic core, not shown, which causes the movement of the first When this movable core moves, the first contact carrier 16 is moved to cause the opening of the first movable contact 26, and the mobile magnetic core consumes current. Thus, the current I which passes through the first coil 38 and is measured by the synchronization block 36 increases. Then, when the first movable contact 26 is in the open position, the mobile core stops and no longer consumes current. Thus, the current I through the coil 38 is stable, and the first contact carrier 16 has traveled its entire opening race. Once the synchronization block 36 detects that the current flowing through the first coil 20 no longer increases or has reached a predetermined value, it controls via the second control member 34 and the second coil 40 the opening of each second movable contact 30, the second movable contacts 30 being displaced in the open position almost simultaneously, since they are all held together by the second contact holder 17.

Ainsi, l'ouverture décalée dans le temps du premier contact mobile 26 et des deuxièmes contacts mobiles 30 est réalisée en fonction de la valeur du courant I.Thus, the opening offset in time of the first movable contact 26 and the second movable contacts 30 is performed as a function of the value of the current I.

A la figure 2, un contacteur 100 correspondant à un mode de réalisation de l'invention est représenté. Le contacteur 100 comprend un boîtier 102 qui inclut l'ensemble des éléments compris dans le contacteur 100.To the figure 2 a contactor 100 corresponding to an embodiment of the invention is shown. The contactor 100 comprises a housing 102 which includes all the elements included in the contactor 100.

Le contacteur 100 comprend deux premiers interrupteurs 104 et trois deuxièmes interrupteurs 106. Le contacteur 100 comprend également un porte-contacts 108 et deux arbres, non représentés, le long desquels le porte-contacts 108 est propre à translater.The switch 100 comprises two first switches 104 and three second switches 106. The switch 100 also comprises a contact carrier 108 and two shafts, not shown, along which the contact carrier 108 is adapted to translate.

Le contacteur 100 comprend une borne E2 d'entrée du courant et une borne S2 de sortie du courant.The contactor 100 comprises a current input terminal E2 and a current output terminal S2.

Chaque premier interrupteur 104 comprend une paire de premiers contacts fixes 110 et un premier contact 112 mobile entre une position fermée et une position ouverte. De même, chaque deuxième interrupteur 106 comprend une paire de deuxièmes contacts fixes 114 et un deuxième contact 116 mobile entre une position fermée et une position ouverte.Each first switch 104 comprises a pair of first fixed contacts 110 and a first contact 112 movable between a closed position and an open position. Similarly, each second switch 106 comprises a pair of second fixed contacts 114 and a second contact 116 movable between a closed position and an open position.

Le porte-contacts 108 est propre à maintenir les premiers contacts mobiles 112 et les deuxièmes contacts mobiles 116. De plus, le porte-contacts 108 est mobile en translation le long des arbres, afin de déplacer les premiers contacts mobiles 112 et les deuxièmes contacts mobiles 116 en position ouverte ou fermée.The contact carrier 108 is able to hold the first movable contacts 112 and the second movable contacts 116. In addition, the contact carrier 108 is movable in translation along the shafts, in order to move the first movable contacts 112 and the second contacts. movable 116 in the open or closed position.

Les premiers contacts fixes 110 sont, par exemple, chacun en forme d'une pastille 115, chaque pastille 115 étant solidaire d'un premier pont mobile 117 correspondant, et orientée vers une face interne inférieure 118 du boîtier 102.The first fixed contacts 110 are, for example, each in the form of a pellet 115, each pellet 115 being secured to a corresponding first mobile bridge 117, and oriented towards a lower inner face 118 of the housing 102.

Chaque premier contact mobile 112 comprend deux premières pastilles de contact 119 solidaires d'un deuxième pont mobile 120 et reliées par ce deuxième pont mobile 120. Chaque premier contact mobile 112 est relié au porte-contacts 108 par l'intermédiaire d'un premier ressort 121.Each first movable contact 112 comprises two first contact pads 119 integral with a second movable bridge 120 and connected by this second movable bridge 120. Each first movable contact 112 is connected to the contact carrier 108 via a first spring 121.

Les deuxièmes contacts fixes 114 sont, par exemple, chacun en forme d'une pastille 122, chaque pastille 122 étant solidaire d'un pont fixe 123 correspondant.The second fixed contacts 114 are, for example, each in the form of a pellet 122, each pellet 122 being secured to a corresponding fixed bridge 123.

Chaque deuxième contact mobile 116 comprend deux deuxièmes pastilles de contact 124 solidaires du premier pont mobile 117 et reliées par ce premier pont mobile 117. Ces deuxièmes pastilles 124 sont orientées vers une face interne supérieure 125 du boîtier 102. Chaque deuxième contact mobile 116 est relié au porte-contacts 108 par l'intermédiaire d'un deuxième ressort 126.Each second movable contact 116 comprises two second contact pads 124 secured to the first movable bridge 117 and connected by this first movable bridge 117. These second pads 124 are oriented towards an upper inner face 125 of the housing 102. Each second movable contact 116 is connected. to the contact carrier 108 via a second spring 126.

Les premiers, respectivement deuxièmes, contacts fixes 110 et 114 sont, en position fermée du premier 112, respectivement deuxième 116 contact mobile, reliés entre eux via le premier 112, respectivement deuxième 116 contact mobile, et sont isolés électriquement l'un de l'autre, en position ouverte du premier 112, respectivement deuxième 116 contact mobile.The first, respectively second, fixed contacts 110 and 114 are, in the closed position of the first 112, respectively second 116 movable contact, interconnected via the first 112, respectively second 116 movable contact, and are electrically isolated from one of the other, in the open position of the first 112, respectively second 116 movable contact.

En position ouverte des premiers 112 et deuxièmes 116 contacts mobiles, le porte-contacts 108 est en position basse, par exemple en butée contre la face interne inférieure 118.In the open position of the first 112 and second 116 movable contacts, the contact holder 108 is in the lower position, for example in abutment against the lower inner face 118.

En position fermée des premiers 112 et deuxièmes 116 contacts mobiles, le porte-contacts 108 est en position haute, par exemple en butée contre la face interne supérieure 125.In the closed position of the first 112 and second 116 movable contacts, the contact carrier 108 is in the high position, for example in abutment against the upper internal face 125.

Dans ce mode de réalisation, conforme à l'invention, tous les contacts 110, 112, 114, 116 sont dimensionnés pour que leur échauffement au courant nominal de fonctionnement, de l'installation électrique, soit inférieur aux valeurs normatives. A titre d'exemple, pour un courant nominal de fonctionnement de 65 Ampères l'échauffement de tous les contacts 110, 112, 114 et 116 est inférieur à 65° Celsius.In this embodiment, according to the invention, all the contacts 110, 112, 114, 116 are dimensioned so that their heating at the nominal operating current of the electrical installation is less than the normative values. For example, for a nominal operating current of 65 amps the heating of all contacts 110, 112, 114 and 116 is less than 65 ° Celsius.

Les deuxièmes contacts mobiles 116 et les deuxièmes contacts fixes 114 sont dimensionnés afin d'avoir une détérioration minimale à l'apparition d'un arc électrique, lors de l'ouverture de chaque deuxième contact mobile 116. En effet, les deuxièmes interrupteurs 106 sont destinés, à l'ouverture de leur deuxième contact mobile 116, à voir un arc électrique se former entre les deuxièmes contacts mobiles 116 et les deuxièmes contacts fixes 114.The second movable contacts 116 and the second fixed contacts 114 are dimensioned in order to have a minimum deterioration at the appearance of an electric arc, upon the opening of each second movable contact 116. Indeed, the second switches 106 are intended, when opening their second movable contact 116, to see an electric arc is formed between the second movable contacts 116 and the second fixed contacts 114.

Un dispositif de commande, non représenté sur les différentes figures, est propre à commander le déplacement du porte-contacts 108 pour l'ouverture ou la fermeture des premiers 104 et deuxièmes 106 interrupteurs, c'est-à-dire commander le déplacement de chaque premier contact mobile 112 et de chaque deuxième contact mobile 116.A control device, not shown in the various figures, is able to control the displacement of the contact holder 108 for the opening or closing of the first 104 and second 106 switches, that is to say to control the movement of each first movable contact 112 and each second movable contact 116.

Chaque premier ressort 121 est propre à exercer un premier effort de poussée P1 sur chaque premier contact mobile 112.Each first spring 121 is capable of exerting a first thrust force P1 on each first movable contact 112.

Chaque deuxième ressort 126 est propre à exercer un deuxième effort de poussée P2 sur chaque deuxième contact mobile 116, qui est supérieur au premier effort de poussée P1.Each second spring 126 is capable of exerting a second thrust force P2 on each second movable contact 116, which is greater than the first thrust force P1.

Le contacteur 100 a une structure globalement étagée avec les premiers interrupteurs 104 situés en-dessous des deuxièmes interrupteurs 106 par rapport à la face supérieure 125.The contactor 100 has a generally staggered structure with the first switches 104 located below the second switches 106 with respect to the upper face 125.

A la figure 3, les premiers interrupteurs 104 et les deuxièmes interrupteurs 106 sont en positon fermée. Les deuxièmes contacts mobiles 116 sont connectés en parallèle via les premiers interrupteurs 104, les ponts fixes 123 et les deuxièmes contacts fixes 114. En effet, la connexion des ponts fixes 123 qui relie des contacts fixes 114 appartenant à des deuxièmes interrupteurs 106 différents, et la connexion des premiers interrupteurs 104 aux deuxièmes interrupteurs 106, via les premiers contacts fixes 110, permet de connecter en parallèle les deuxièmes interrupteurs 106, et plus particulièrement les deuxièmes contacts mobiles 116 et leurs premiers ponts mobiles 117. La borne d'entrée E2 et la borne de sortie S2 sont alors reliées l'une à l'autre.To the figure 3 the first switches 104 and the second switches 106 are in closed position. The second moving contacts 116 are connected in parallel via the first switches 104, the fixed bridges 123 and the second fixed contacts 114. Indeed, the connection of the fixed bridges 123 which connects fixed contacts 114 belonging to different second switches 106, and the connection of the first switches 104 to the second switches 106, via the first fixed contacts 110, makes it possible to connect in parallel the second switches 106, and more particularly the second movable contacts 116 and their first movable bridges 117. The input terminal E2 and the output terminal S2 are then connected to each other.

Après réception d'un ordre d'ouverture du contacteur 100 par le dispositif de commande, non représenté, lorsque le contacteur 100 est dans la configuration de la figure 3, le dispositif de commande pilote le déplacement du porte-contacts 108 en direction de la face interne inférieure 118.After receiving an order to open the contactor 100 by the control device, not shown, when the contactor 100 is in the configuration of the figure 3 , the control device controls the displacement of the contact holder 108 towards the lower inner face 118.

Lorsque le porte-contacts 108 est déplacé en direction de la face inférieure 118, comme représenté par la flèche F sur la figure 4, ceci provoque un déplacement des premiers contacts mobiles 112 vers la face inférieure 118. Une fois que l'effort de poussée P1, exercé par les premiers ressorts 121 et permettant de maintenir les premiers contacts mobiles 112 en position fermée, est annulé, les premiers contacts mobiles 112 sont en position ouverte. Cette configuration est visible à la figure 4.When the contact carrier 108 is moved towards the lower face 118, as represented by the arrow F on the figure 4 this causes a displacement of the first movable contacts 112 towards the lower face 118. Once the thrust force P1, exerted by the first springs 121 and making it possible to maintain the first movable contacts 112 in the closed position, is canceled, the first movable contacts 112 are in the open position. This configuration is visible at figure 4 .

Il est à noter que dans la configuration de la figure 4, lorsque les deuxièmes contacts mobiles 116 sont en position fermée, alors que les premiers contacts mobiles 112 sont en position ouverte, la borne d'entrée E2 et la borne de sortie S2 sont reliées électriquement par les deuxièmes interrupteurs 106 qui sont alors connectés en série. Ainsi, l'ouverture des premiers interrupteurs 104 permet de passer d'un mode de fonctionnement où les deuxièmes interrupteurs 106 sont connectés en parallèle à un mode de fonctionnement où les deuxièmes interrupteurs 106 sont connectés en série.It should be noted that in the configuration of the figure 4 when the second movable contacts 116 are in the closed position, while the first movable contacts 112 are in the open position, the input terminal E2 and the output terminal S2 are electrically connected by the second switches 106 which are then connected in series. Thus, the opening of the first switches 104 makes it possible to switch from one mode of operation where the second switches 106 are connected in parallel to an operating mode where the second switches 106 are connected in series.

Le schéma électrique équivalent du contacteur 100 représenté à la figure 6 illustre la caractéristique selon laquelle suivant la position ouverte ou fermée des premiers contacts mobiles 112, les deuxièmes interrupteurs 106 sont connectés en parallèle ou bien en série. Dans l'exemple de réalisation des figures 2 à 6, lorsque les premiers contacts mobiles 112 sont en position fermée, les deuxièmes interrupteurs 106 sont connectés en parallèle, et lorsque les premiers contacts mobiles 112 sont en position ouverte, les deuxièmes interrupteurs 106 sont connectés en série.The equivalent electrical diagram of the contactor 100 shown in FIG. figure 6 illustrates the feature that according to the open or closed position of the first movable contacts 112, the second switches 106 are connected in parallel or in series. In the exemplary embodiment of Figures 2 to 6 when the first movable contacts 112 are in the closed position, the second switches 106 are connected in parallel, and when the first movable contacts 112 are in the open position, the second switches 106 are connected in series.

Puis, le porte-contacts 108 continue son déplacement ce qui provoque le déplacement des deuxièmes contacts mobiles 116, ceux-ci restant toutefois en position fermée, car l'effort de poussée P2 exercé par le deuxième ressort 126 est suffisant pour les maintenir en position fermée.Then, the contact holder 108 continues its displacement which causes the displacement of the second movable contacts 116, these remaining nevertheless in the closed position, because the thrust force P2 exerted by the second spring 126 is sufficient to hold them in position closed.

Après la translation du porte-contacts 108 d'une distance prédéterminée, le deuxième effort de poussée P2 est annulé, car compensé par le déplacement du porte-contacts 108 qui, lors de son déplacement, exerce un effort afin de déplacer les deuxièmes contacts mobiles 116 dans une direction opposée à celle du deuxième effort de poussée P2. Le deuxième effort de poussée P2 devient insuffisant pour maintenir les deuxièmes contacts mobiles 116 en position fermée, qui se séparent alors des deuxièmes contacts fixes 114. En effet, une fois que le deuxième effort de poussée P2 est compensé, par le déplacement du porte-contacts 108, chaque contact mobile 116 se déplace en direction de la face inférieure 118 et est séparé des contacts fixes 114.After the translation of the contact carrier 108 by a predetermined distance, the second thrust force P2 is canceled, because compensated by the displacement of the contact carrier 108 which, during its displacement, exerts a force to move the second movable contacts 116 in a direction opposite to that of the second thrust force P2. The second thrust force P2 becomes insufficient to keep the second movable contacts 116 in the closed position, which then separate from the second fixed contacts 114. Indeed, once the second thrust force P2 is compensated for, by the displacement of the carrier 108, each movable contact 116 moves towards the lower face 118 and is separated from the fixed contacts 114.

A la figure 5, chaque premier interrupteur 104 et chaque deuxième interrupteur 106 sont en position ouverte.To the figure 5 each first switch 104 and each second switch 106 are in the open position.

Grâce à cette structure du porte-contacts 108 et du contacteur 100, chaque premier contact mobile 112 est, lors de l'apparition d'un défaut électrique, déplacé en position ouverte avec un décalage temporel par rapport au déplacement de chaque deuxième contact mobile 116. Plus précisément, chaque premier contact mobile 112 est déplacé en position ouverte avant que chaque deuxième contact mobile 116 soit déplacé en position ouverte. Le décalage temporel entre le déplacement des premiers contacts mobiles 112 en position ouverte et le déplacement des deuxièmes contacts mobiles 116 en position ouverte est compris entre 10 ms et 1s, de préférence compris entre 50 ms et 500 ms, de préférence encore compris entre 50 ms et 100 ms.Thanks to this structure of the contact carrier 108 and the contactor 100, each first movable contact 112 is, when an electrical fault occurs, moved in the open position with a time offset relative to the displacement of each second movable contact 116. More specifically, each first movable contact 112 is moved to the open position before each second movable contact 116 is moved to the open position. The time difference between the displacement of the first movable contacts 112 in the open position and the displacement of the second movable contacts 116 in the open position is between 10 ms and 1s, preferably between 50 ms and 500 ms, more preferably between 50 ms and 100 ms.

Le fait que les deuxièmes interrupteurs 106 soient connectés en série, dans la configuration de la figure 4, permet une fois qu'ils sont déplacés en position ouverte comme présenté à la figure 5, de fractionner l'arc électrique. Ainsi, les contacts mobiles 116 et fixes 114 sont séparés de manière optimale sans risque d'être soudés les uns aux autres.The fact that the second switches 106 are connected in series, in the configuration of the figure 4 , allows once they are moved in open position as presented to the figure 5 , to split the electric arc. Thus, the movable contacts 116 and fixed 114 are optimally separated without risk of being welded to each other.

Un procédé de commande des contacteurs conforme au mode de réalisation de l'invention comprend ainsi plusieurs étapes. Une première étape consiste en la réception de l'ordre d'ouverture du contacteur 10, 100, par le dispositif de commande 20, lorsque les premiers 12, 104 et deuxièmes 14, 116 interrupteurs sont en position fermée. Puis, une deuxième étape consiste en le déplacement de chaque premier contact mobile 26, 112 en position ouverte. Enfin, une troisième étape consiste en le déplacement de chaque deuxième contact mobile 30, 116 en position ouverte, une fois que chaque premier contact mobile 26, 112 est en position ouverte et avec un décalage temporel compris entre 10 ms et 1 s, de préférence compris entre 50 ms et 500 ms, de préférence encore compris entre 50 ms et 100 ms.A contactor control method according to the embodiment of the invention thus comprises several steps. A first step consists in receiving the order of opening of the contactor 10, 100, by the control device 20, when the first 12, 104 and second 14, 116 switches are in the closed position. Then, a second step consists of the displacement of each first movable contact 26, 112 in the open position. Finally, a third step consists of the displacement of each second movable contact 30, 116 in the open position, once each first movable contact 26, 112 is in the open position and with a time offset of between 10 ms and 1 s, preferably between 50 ms and 500 ms, more preferably between 50 ms and 100 ms.

De plus, dans le mode de réalisation de l'invention, les deuxièmes interrupteurs 106 sont connectés en parallèle précédemment à la deuxième étape du procédé de commande, puisque chaque premier contact mobile 112 est en position fermée, et les deuxièmes interrupteurs 106 sont connectés en série suite à la deuxième étape et précédemment à la troisième étape du procédé de commande, puisque chaque premier contact mobile 112 est en position ouverte.In addition, in the embodiment of the invention, the second switches 106 are connected in parallel previously to the second step of the control method, since each first movable contact 112 is in the closed position, and the second switches 106 are connected in parallel. series following the second step and previously to the third step of the control method, since each first movable contact 112 is in the open position.

Le mode de réalisation de l'invention permet de réaliser des contacteurs 10 avec des dimensions compactes, c'est-à-dire par exemple une longueur de 100 millimètres, une largeur de 50 mm et une hauteur de 50 mm. En effet, le nombre de deuxièmes interrupteurs 14, 106 connectés en série et dédiés à la coupure, c'est-à-dire propres à voir un arc électrique se former entre leurs deuxièmes contacts mobiles 30, 116 et leurs deuxièmes contacts fixes 28, 114 est par exemple augmenté afin d'être adapté à la coupure de tensions élevées. L'augmentation du nombre de contacts en série permet de fractionner l'arc électrique.The embodiment of the invention makes it possible to produce contactors 10 with compact dimensions, that is to say for example a length of 100 millimeters, a width of 50 mm and a height of 50 mm. Indeed, the number of second switches 14, 106 connected in series and dedicated to the cut, that is to say, able to see an electric arc to be formed between their second movable contacts 30, 116 and their second fixed contacts 28, 114 is for example increased to be suitable for breaking high voltages. The increase in the number of contacts in series makes it possible to split the electric arc.

L'aspect non inclus dans l'invention permet de proposer un encombrement encore plus réduit du contacteur 10, du fait que les deuxièmes interrupteurs 14 ont des dimensions inférieures aux premiers interrupteurs 12 puisque leurs contacts 28, 30 ne sont pas dimensionnés pour avoir un échauffement limité, à la différence des contacts 24, 26 des premiers interrupteurs 12. En effet, les deuxièmes interrupteurs 14 sont connectés en parallèle d'un premier interrupteur 12 dédié à la fonction thermique, c'est-à-dire propre à subir un échauffement inférieur à une valeur normative, lorsqu'il est traversé par un courant nominal.The aspect not included in the invention makes it possible to propose an even smaller size of the contactor 10, because the second switches 14 have dimensions smaller than the first switches 12 since their contacts 28, 30 are not dimensioned to have a heating limited, unlike 24 contacts, In fact, the second switches 14 are connected in parallel with a first switch 12 dedicated to the thermal function, that is to say capable of undergoing heating below a normative value, when is crossed by a nominal current.

En outre, le mode de réalisation de l'invention permet une certaine modularité puisque le nombre et la dimension des contacts fixes 24, 28, 110, 114 et mobiles 26, 30, 112, 116, est variable.In addition, the embodiment of the invention allows a certain modularity since the number and size of the fixed contacts 24, 28, 110, 114 and mobiles 26, 30, 112, 116, is variable.

Selon l'aspect présenté les deuxièmes interrupteurs 14 sont dimensionnés en fonction des exigences de l'installation électrique, indépendamment du premier interrupteur 12.According to the aspect presented, the second switches 14 are dimensioned according to the requirements of the electrical installation, independently of the first switch 12.

En variante de l'aspect précité, le dispositif de commande comprend un seul organe de commande propre à déplacer le premier porte-contacts et le contacteur comprend un organe mécanique propre à suivre le même déplacement que celui du premier porte-contacts et à venir déplacer le deuxième porte-contacts. Lorsque les premier et deuxièmes interrupteurs sont en position fermée, l'organe mécanique est à une certaine distance du deuxième porte-contacts de sorte que le déplacement du deuxième porte-contacts est effectué avec un décalage temporel par rapport au déplacement du premier porte-contacts. Ce décalage temporel est fonction de la distance entre l'organe mécanique et le deuxième porte-contacts lorsque le ou les premiers et deuxièmes contacts mobiles sont en position fermée.As a variant of the aforementioned aspect, the control device comprises a single control member suitable for moving the first contact carrier and the contactor comprises a mechanical member adapted to follow the same displacement as that of the first contact carrier and to move the second contact carrier. When the first and second switches are in the closed position, the mechanical member is at a distance from the second contact carrier so that the displacement of the second contact carrier is performed with a time shift relative to the displacement of the first contact carrier . This time difference is a function of the distance between the mechanical member and the second contact holder when the first and second movable contacts are in the closed position.

Par ailleurs, dans le mode de réalisation de l'invention, le fait que les deuxièmes interrupteurs 106 soient connectés en parallèle lorsque le premier contact mobile 112 est en position fermée, permet de répartir un courant traversant le contacteur 100 entre les différents interrupteurs 106 et ainsi de limiter le courant traversant chaque deuxième interrupteur 106. Ceci permet de limiter l'échauffement subit par les deuxièmes interrupteurs 106 lorsqu'un courant traverse le contacteur 100 et ainsi de proposer des deuxièmes interrupteurs 106 de dimensions réduites. L'encombrement du contacteur 100 est donc limité.Moreover, in the embodiment of the invention, the fact that the second switches 106 are connected in parallel when the first movable contact 112 is in the closed position, makes it possible to distribute a current flowing through the contactor 100 between the different switches 106 and thus limiting the current flowing through each second switch 106. This makes it possible to limit the heating experienced by the second switches 106 when a current flows through the contactor 100 and thus to provide second switches 106 of reduced dimensions. The size of the contactor 100 is therefore limited.

Claims (4)

  1. An electrical contactor (100) comprising:
    - at least one first switch (104), the or each first switch (104) including a pair of first fixed contacts (110) and a first moving contact (112) movable between a closed position and an open position,
    - several second switches (106), each second switch (106) including a pair of second fixed contacts (114) and a second moving contact (116) movable between a closed position and an open position,
    - the first (110), second (114) fixed contacts, respectively, being, in the closed position of the first (112), second (116) moving contact, respectively, electrically connected to each other via the first (112), second (116) moving contact, respectively, and being electrically isolated from each other in the open position of the first (112), second (116) moving contact, respectively,
    - at least one control device for controlling the movement of the or each first (112), second (116) moving contact, respectively, in the open or closed position,
    characterized in that it comprises, in a same housing (102), the first switch or switches (104) and the second switches (106), in that after the control device receives an order to open the contactor (100), the control device is capable of controlling the movement of the or each first moving contact (112) into the open position before that of each second moving contact (116) into the open position, with a time offset comprised between 10 milliseconds (ms) and 1 second (s) between the movement of the first moving contact(s) (112) and the movement of the second moving contacts (116), preferably comprised between 50 ms and 500 ms, still more preferably comprised between 50 ms and 100 ms, in that when the or each first moving contact (112) is in the closed position, the second switches (106) are connected in parallel, and in that when the or each first moving contact (112) is in the open position, the second switches (106) are connected in series.
  2. The contactor according to claim 1, characterized in that it comprises a single contact-holder (108) maintaining the first moving contact(s) (112) and the second moving contacts (116), the control device being capable of controlling the movement of said contact-holder (108) to open or close the first switch or switches (104) and the second switches (106).
  3. The contactor according to claim 2, characterized in that the contact-holder (108) is connected to the or each first moving contact (112) and each second moving contact (116) by at least one first spring (121) and at least one second spring (126), respectively, and in that a first thrust force (P1) exerted by the or each first spring (121) on the or each first moving contact (112) is below a second thrust force (P2) exerted by the or each second spring (126) on each second moving contact (116).
  4. A method for controlling an electrical contactor, comprising:
    - at least one first switch (104), the or each first switch (104) including a pair of first fixed contacts (110) and a first moving contact (112) movable between a closed position and an open position,
    - several second switches (106), each second switch (106) including a pair of second fixed contacts (114) and a second moving contact (116) movable between a closed position and an open position,
    - the first (110), second (114) fixed contacts, respectively, being, in the closed position of the first (112), second (116) moving contact, respectively, electrically connected to each other via the first (112), second (116) moving contact, respectively, and being electrically isolated from each other in the open position of the first (112), second (116) moving contact, respectively,
    - at least one control device for controlling the movement of the or each first (112), second (116) moving contact, respectively, in the open or closed position.
    characterized in that the method comprises the following steps:
    - a) the reception by the control device of an order to open the contactor (100),
    - b) the movement of the or each first moving contact (112) into the open position, the second switches (106) being connected in parallel when the or each first moving contact (112) is in the closed position, and in series when the or each first moving contact (112) is in the open position,
    - c) the movement of each second moving contact (116) into the open position after that of the or each first moving contact (112) into the open position, with a time shift comprised between 10 milliseconds (ms) and 1 second (s), between the movement of the first moving contact(s) (112) and the movement of the second moving contact(s) (116), preferably comprised between 50 and 500 ms, still more preferably comprised between 50 ms and 100 ms.
EP14173615.7A 2013-06-25 2014-06-24 Electrical contactor and method for controlling such a contactor Active EP2819135B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1356076A FR3007570B1 (en) 2013-06-25 2013-06-25 ELECTRICAL CONTACTOR AND METHOD FOR CONTROLLING SUCH A CONTACTOR

Publications (2)

Publication Number Publication Date
EP2819135A1 EP2819135A1 (en) 2014-12-31
EP2819135B1 true EP2819135B1 (en) 2018-03-14

Family

ID=49151171

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14173615.7A Active EP2819135B1 (en) 2013-06-25 2014-06-24 Electrical contactor and method for controlling such a contactor

Country Status (4)

Country Link
US (1) US9589754B2 (en)
EP (1) EP2819135B1 (en)
CN (1) CN104252997B (en)
FR (1) FR3007570B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022116580A1 (en) * 2022-07-04 2024-01-04 Bayerische Motoren Werke Aktiengesellschaft Multi-contact contactor for current management and current limitation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4536814A (en) * 1984-03-26 1985-08-20 Eaton Corporation D. C. power controller with fuse protection
JPS6258535A (en) * 1985-09-06 1987-03-14 オムロン株式会社 Interlock mechanism for electromagnetic contactor
SU1712977A1 (en) * 1989-02-13 1992-02-15 Всесоюзный Научно-Исследовательский Проектно-Конструкторский И Технологический Институт Взрывозащищенного И Рудничного Электрооборудования Electrical circuit commutation method
CN1271656A (en) * 1999-04-27 2000-11-01 烟台弼圣机械电子技术开发有限责任公司 Stepless speed changing box
JP4116420B2 (en) * 2002-12-18 2008-07-09 富士通株式会社 Electrical contact device and method of manufacturing the same
JP4599260B2 (en) * 2004-09-28 2010-12-15 プライムアースＥｖエナジー株式会社 POWER CONTROL DEVICE, POWER CONTROL METHOD, PROGRAM, AND RECORDING MEDIUM
DE102007054960B3 (en) * 2007-11-17 2009-04-23 Moeller Gmbh Switching device for DC applications
FR2931583A1 (en) * 2008-05-22 2009-11-27 Schneider Electric Ind Sas CONTACT DEVICE FOR RESISTIVE HIGH POWER SWITCH
WO2011147458A1 (en) * 2010-05-28 2011-12-01 Abb Research Ltd A dc switching device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN104252997A (en) 2014-12-31
US20140376144A1 (en) 2014-12-25
FR3007570B1 (en) 2015-07-17
US9589754B2 (en) 2017-03-07
EP2819135A1 (en) 2014-12-31
CN104252997B (en) 2018-07-17
FR3007570A1 (en) 2014-12-26

Similar Documents

Publication Publication Date Title
EP1596206B1 (en) Electric current measuring arrangement, current sensor, electric tripping device and circuit breaker comprising such a current measuring device
EP2375424B1 (en) Device for protecting against overvoltages with parallel thermal disconnectors
EP2124238B1 (en) Contact device for a contactor with high resistive power
EP2375426A1 (en) Varistor including an electrode with jag portion forming a pole and lightning including such a varistor
EP2375425A1 (en) Device for protecting against surge voltages with enhanced thermal disconnector
EP2629385A1 (en) Energy storage chain for a vehicle, including at least one ultracapacitor module, energy storage system including such a chain and railway vehicle including such a system
EP2463883A1 (en) Device for detecting a loss of vacuum in a vacuum cutting device and vacuum cutting device comprising such a device
FR2896335A1 (en) GENERATOR CIRCUIT BREAKER WITH INSERTED RESISTOR
EP2819135B1 (en) Electrical contactor and method for controlling such a contactor
EP2562778B1 (en) Power contact device with electrodynamic compensation in the presence of high currents
EP3018685A1 (en) Contactor including at least one vacuum interrupter and means for regulating the opening speed of each interrupter
EP3699942B1 (en) Operating system for a vacuum bulb
FR2957712A1 (en) Mobile contact device for electric switch i.e. AC3 switch, in wind turbine generators, has bar whose end parts are localized at level of zones and transmission units transmitting force of spring on central part of bar in juxtaposition
EP3157033A1 (en) Arc extinguishing chamber of an electrical protection device and electrical protection device comprising such a chamber
EP0996959B1 (en) Circuit breaker for low voltage alternating electric installation
CH716463B1 (en) Switch to close a circuit.
FR2718302A1 (en) Electrical transformer selector with interfacing resistors
EP1850361A1 (en) Fast overcurrent actuator, and its application
EP4026153B1 (en) Electrical switching device and vehicle comprising such a device
EP4104195B1 (en) Mechanical current cut-off device for high-voltage direct current with a capacitor in a secondary path, facility and method using such a device
FR3113177A1 (en) Rheostat
EP2945176A1 (en) Medium voltage switchgear using the technique of break in vacuum
EP2518746A1 (en) Electrical contact device with efficient cutting
EP1363304B1 (en) Opening switch with explosive wire and method of manufacture
FR2981788A1 (en) Electric commutation device for use in electrical appliance i.e. three-phase reverser, has stabilization unit comprising planar surface that forms bearing surface against edges of electromagnetic actuation unit

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20140624

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

R17P Request for examination filed (corrected)

Effective date: 20150602

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

RIC1 Information provided on ipc code assigned before grant

Ipc: H01H 9/40 20060101ALI20171005BHEP

Ipc: H01H 1/20 20060101AFI20171005BHEP

Ipc: H01H 33/59 20060101ALI20171005BHEP

INTG Intention to grant announced

Effective date: 20171026

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

Ref country code: AT

Ref legal event code: REF

Ref document number: 979611

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180315

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602014022254

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 5

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180314

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180614

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 979611

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180314

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180614

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180615

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602014022254

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180716

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20181217

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20180624

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20180630

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180624

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180630

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180624

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180624

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180630

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180314

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20140624

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180314

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180714

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240627

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20240625

Year of fee payment: 11

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20240619

Year of fee payment: 11