EP2936526B1 - Method for adjusting the compression course of electrical contacts in a cut-off block, block for implementing this method, and switching device comprising such a block - Google Patents

Method for adjusting the compression course of electrical contacts in a cut-off block, block for implementing this method, and switching device comprising such a block Download PDF

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Publication number
EP2936526B1
EP2936526B1 EP13815026.3A EP13815026A EP2936526B1 EP 2936526 B1 EP2936526 B1 EP 2936526B1 EP 13815026 A EP13815026 A EP 13815026A EP 2936526 B1 EP2936526 B1 EP 2936526B1
Authority
EP
European Patent Office
Prior art keywords
block
mobile
mobile contact
contact
unitary
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
EP13815026.3A
Other languages
German (de)
French (fr)
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EP2936526A1 (en
Inventor
Didier Vigouroux
Patrick Larcher
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
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Schneider Electric Industries SAS
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Publication date
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Publication of EP2936526A1 publication Critical patent/EP2936526A1/en
Application granted granted Critical
Publication of EP2936526B1 publication Critical patent/EP2936526B1/en
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Classifications

    • 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
    • H01H1/34—Contacts characterised by the manner in which co-operating contacts engage by abutting with provision for adjusting position of contact relative to its co-operating contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H2003/323—Driving mechanisms, i.e. for transmitting driving force to the contacts the mechanisms being adjustable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/002—Details of electromagnetic relays particular to three-phase electromagnetic relays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/327—Manufacturing or calibrating methods, e.g. air gap treatments

Definitions

  • the invention relates to a method for adjusting the crushing stroke of the electrical contacts of a unitary breaking unit intended to be integrated in a breaking block.
  • Said unitary breaking unit comprises inside a housing a fixed contact and a movable contact slidably mounted on a movable contact carrier so as to be driven in movement by the latter, said movable contact carrier being connected to a control head. hooking intended to collaborate with a coupling hook of an actuating block connected to the breaking block.
  • the invention also relates to a unit block for breaking a breaking block of a modular electrical switching device for carrying out the method.
  • the invention also relates to a modular electrical switching device comprising a breaking block associated with an actuating block.
  • the breaking block comprising at least one unitary breaking unit according to the invention.
  • the actuating block of the unitary breaking units comprising an electromagnetic type actuator having a movable armature able to move between an open position and a closed position of the electrical contacts. Means allowing the fixing of the actuating block on the breaking block.
  • unitary breaking units in multipole protection and / or switching devices such as circuit breaker, contactor-breaker, contactor is known.
  • the unitary cutoff units can be housed in a multipolar package ( US4684772 ).
  • the multipolar devices are then modular in the sense that the same breaking block can be duplicated three times in a three-pole switching device and four times in a four-pole device.
  • some switching devices include electronic control means.
  • electronic control means generally greatly reduces the volume of the device and its consumption. It also opens the contactor to communication.
  • control means are controlled and powered by an electronic control additional problems may appear. Indeed the level and maintenance periods required by the electronic means and the electromechanical means included in the same device are not the same knowing that the overall maintenance must remain easy and low cost. This is all the more true that the lifetimes of the electronic control means and the associated electromechanics can be very different depending on the application.
  • the modularity of the switching device allows the user to obtain a product whose performance is actually adapted to the use it makes.
  • the counterpart of this modularity is the certain complexity of realization of such a multipolar switching device.
  • the complexity is real in terms of realization of the architecture and in terms of the maintenance of the switching device.
  • the modularity of the multipolar switching device can also relate to the introduction and use of an electronic thermal protection device.
  • the integration of a removable electronic thermal protection in the volume of the switching device is then possible at the cost of adaptation means having a certain complexity. This additional complexity can be increased when several switching devices are interconnected to control a motor including in particular an inverter mode.
  • the invention therefore aims to remedy the drawbacks of the state of the art, by proposing an electronically controlled electrical switching device comprising a simplified modular architecture accepting one or more breaking blocks.
  • the elongation of the transmission axis is achieved by unscrewing said axis relative to the housing.
  • the shortening of the transmission axis is achieved by screwing said axis relative to the housing.
  • the attachment head of the unitary breaking block according to the invention is movable relative to the movable contact holder, the attachment head being movable in a direction perpendicular to the longitudinal axis.
  • the attachment head is connected to the movable contact holder by a transmission shaft of variable length, said transmission axis having a first end attached to the attachment head and a second end having a thread intended to collaborate with a tapped thread. in the mobile contact holder.
  • Said coupling hook is integral with the movable armature of the electromagnetic actuator.
  • the coupling hook comprises an edge having a bearing surface able to collaborate with the attachment head of a unitary cut-off unit for transmitting the movements of the moving armature to the movable contact from the closed position to the open position and vice versa.
  • the coupling hook comprises a first edge having a slot is intended to receive the attachment head, said first edge having a bearing surface for transmitting the movement of the movable armature to the movable contact gate of the movable contact. in a first direction of movement from the closed position to its open position.
  • a second edge has a bearing surface for transmitting movement of the moving armature to the movable contact holder of the moving contact in a second direction of movement from the open position to its closed position.
  • the towing hook comprises play catching means comprising a resilient blade substantially positioned parallel to the second edge of the towing hook, said resilient blade behaving like a blade damper by deforming in the direction of movement as soon as it comes into contact with the attachment head of a lug secured to a movable contact.
  • the modular electrical switching device comprises three unitary breaking units, the actuating devices of said blocks being respectively controlled synchronously and simultaneously by the actuating block, to control the opening of the electrical contacts. by moving the moving contacts.
  • the modular electrical switching device comprises three unitary breaking units, the actuating devices of said blocks being respectively controlled in a synchronized and non-simultaneous manner by the actuating block, to control the opening of the units. electrical contacts by moving the moving contacts.
  • the modular electrical switching device 1 according to the invention as shown in FIG. figure 1 comprises a breaking block 100 associated with an actuating block 200.
  • the modular electrical switching device 1 is preferably a contactor.
  • the terms contactor or switching device or modular electrical switching device will be used thereafter without distinction.
  • the modular contactor 1 comprises fast fixing means allowing the attachment of the actuating block 200 to the breaking block 100 removably.
  • the actuating block 200 comprises an actuating module 230 connected to a removable electrical control module 250.
  • the removable electrical control module 250 may comprise electronic control means powered by a control electronics.
  • the terms removable electric control module 250 or removable electronic control module 250 will be used thereafter without distinction.
  • the actuation module 230 comprises in known manner an electromagnetic type actuator more particularly comprising a fixed yoke 201 and a movable armature 202 able to move relative to the fixed yoke 201 between two positions, an open position and a closed position.
  • the electromagnetic actuator also has an actuating coil which when is traversed by a control current moves the movable armature 202 from its open position to its closed position.
  • a return spring 204 moves the movable armature 202 from its closed position to its open position. According to a particular embodiment as represented on the Figures 3 and 4 , the return spring 204 acts on the mobile armature 202 via a rotary lever 205.
  • the fixed armature 201 comprises a U-shaped section having two outer branches and a transverse armature secured to a first end of the outer branches.
  • the actuator comprises an actuating coil preferably comprising two control coils 203 electrically connected.
  • the two windings respectively comprise a longitudinal axis substantially coinciding with that of the outer branches of the U-shaped magnetic yoke.
  • said control windings 203 are wound on insulating carcasses placed on the outer branches of the magnetic yoke 201.
  • two control coils 203 are preferably identical.
  • the return spring 204 is able to move a moving element 220 from its closed position to its open position.
  • the mobile assembly 220 comprises the mobile armature 202 of the actuator positioned in a tray 211.
  • the return spring acts on a multi-function lever 215 integral with the tray 211.
  • Said multi-function lever 205 is arranged to manage a balancing of the mobile armature 202 to allow simultaneous closure of the 3 power poles while reducing friction.
  • the multi-function lever 205 also allows the drive of the auxiliary contact blocks and the provision of a visu front panel of the modular electrical switching device 1.
  • the multifunction lever 205 can be slaved in two ways. As shown on the figure 31A a torsion spring 206 is used to maintain it in an operating position. As shown on the figure 31B a compression spring is used to maintain it in an operating position.
  • the actuator also preferably comprises polar plates 215 fixed to the outer branches of the U-shaped magnetic yoke. Said plates make it possible to improve the magnetic behavior of the actuator.
  • the actuator may be of the monostable or bistable type.
  • said actuator comprises at least one permanent magnet preferably placed between the two polar plates 215.
  • the magnetic yoke 201 has an E-shaped section having two outer branches, at least one central branch, and a transverse reinforcement secured to a first end of the outer and central branches.
  • the movable armature is placed opposite the second ends of the outer branches and moves in translation.
  • the movable armature also comprises an E-shaped section comprising two outer branches, at least one central branch, and a transverse frame secured to a first end of the outer and central branches.
  • the control coil having a longitudinal axis substantially coincides with that of the central branch of the magnetic yoke E.
  • said control coil comprises a winding wound on an insulating casing placed on the central branch of the magnetic yoke.
  • the actuator is positioned in a housing of the actuating module 230.
  • the control coils 203 of the actuating coil comprise connection terminals 207 intended to come into contact with the adaptive connection means of the removable electrical control module 250. As represented in particular on the Figure 5B each control winding 203 has two connection terminals 207.
  • connection terminals 207 of the two control coils 203 are preferably aligned.
  • the four connection terminals 207 of the two control coils 203 are preferably arranged diagonally.
  • the removable electrical control module 250 comprises electronic control means powered by a control electronics. Removable electronic control module 250 is then intended to ensure a repetitive and constant operation of the actuator for a wide range of supply voltage. Said removable electronic control module is positioned and fixed on the housing of the actuating module 230. At the time of its positioning on said housing, the connection terminals 207 of the control coils 203 are automatically interconnected with the adaptive connection means of the module Removable electronic control device 250. According to a preferred embodiment, the adaptive connection means are integrated directly into a Printed Circuit Boar (PCB) of the removable electrical control module 250.
  • PCB Printed Circuit Boar
  • connection between the two control coils 203 judiciously distributed on the two outer branches of the magnetic yoke 201 of the actuator can be in series or in parallel.
  • the adaptive connection means allow a series or parallel connection of the two control coils 203 at the time of connection of the removable electrical control module 250 to the actuating module 230.
  • the adaptive connection means thus allow a wider adaptation as needed for the application while maintaining an actuation coil common to all applications.
  • the printed circuit board (PCB) of the removable electrical control module 250 comprises electrical tracks designed and configured to connect the terminals 207 of the control coils 203 in series.
  • the printed circuit board (PCB) of the removable electrical control module 250 comprises electrical tracks designed and configured to connect the terminals 207 of the control coils 203 in parallel.
  • the control commands as well as the power supply of the control coils 203 pass through these connection terminals 207.
  • This removable electric control module 250 may comprise several variants depending on the intended application (in particular according to the network voltage). Said module is preferably mounted last on a contactor or contactor equipped with a thermal protection (choke). The final choice of the electrical control module to install allows the installer to make a delayed differentiation. This removable electrical control module 250 may also be provided with connections allowing communication, for example with a management computer of the installation, a configuration tool.
  • the breaking block 100 of the contactor 1 comprises one or more electric poles.
  • the contactor has three electrical poles, it is called tripolar contactor.
  • a unitary cut-off unit 80 also commonly called cut-off bulb, is then associated with each electrical pole.
  • the three unitary breaking units 80 are then synchronously controlled by the actuating block 200 acting on actuating devices 34 of the unitary clipping units 80.
  • the cutoff blocks can be controlled synchronously and simultaneously. In other words, all the blocks move at the same time.
  • the cutoff blocks can be controlled in a synchronized and non-simultaneous manner. In other words, all the blocks move through the action of the actuating block but there is a time shift between the movement of each block. This time lag is reproducible and controlled.
  • the unitary cleavage units 80 comprise a housing 31 formed of two half-shells 80A.
  • the two half-shells 80A of the housing 31 are preferably made of molded plastic material. Electrical contacts are arranged inside the housing 31.
  • the half-shells 80A are assembled to form an assembly of substantially parallelepiped shape developing along a longitudinal reference plane XZ.
  • the two half-shells 80A constituting the housing 31 are preferably of identical shape.
  • the term "identical shape” means that the two half-shells, preferably made by molding, come from the same imprint. This has the industrial advantage of managing a single part variant and a single investment.
  • the housing 31 then has two main faces 81 arranged parallel to the longitudinal plane XZ. Said housing further comprises two lateral faces 82, an upper face 83 and a lower face 84.
  • the unitary breaking unit 80 comprises electrical breaking means 30 composed of two fixed contacts 32 respectively connected to an electrical terminal block 500 by connection pads 45.
  • the two fixed contacts 32 respectively comprise an electrical contact zone 37.
  • the electrical breaking means 30 are then positioned in an internal volume of the housing 31, internal volume delimited by the two half-shells 80A.
  • the electric breaking means 30 further comprise a movable contact 33 in the form of a bridge comprising an elongated body along a longitudinal axis X.
  • the movable contact bridge 33 comprises two ends on which are positioned two contact zones 36 each capable of collaborating respectively with a contact zone 37 of a fixed contact 32 in a closed position of the breaking means.
  • moving contact or “mobile contact bridge” will be used interchangeably in the following description.
  • an elastic means 25 such as in particular a helical spring, ensures between the contact zones 36 and 37, a contact pressure sufficient to ensure the establishment and passage of the current in good conditions .
  • the resilient means 25 is generally referred to as a pole spring. This contact pressure is also provided for the passage of the permanent current without excessive heating, as well as to ensure sufficient electrical durability.
  • each opening volume 35 is associated with an arc extinction chamber.
  • the arc extinguishing chamber opening on the opening volume 35 is delimited by two parallel walls and placed on either side of the longitudinal geometric reference plane XZ, a rear wall remote from the opening volume. 35, a bottom wall and an upper wall.
  • said chamber may comprise a stack of at least two metal plates 40 planar and perpendicular to the longitudinal geometric reference plane XZ. These metal plates, called fins, are intended for the deionization of the arc.
  • the metal plates 40 are preferably made of ferromagnetic material. Said fins tend to exert on the arc a ferromagnetic attraction force. Said fins are of substantially rectangular shape and comprise a longitudinal axis and a median axis.
  • said chamber is delimited by two flanges 68 of ferromagnetic material.
  • the two lateral flanges 68 are parallel and placed on either side of a median longitudinal plane XZ.
  • the two lateral flanges 68 are arranged to frame one of the ends of the movable bridge 33 over its entire displacement between the open position and the closed position.
  • the two lateral flanges 68 are spaced apart from one another to allow the moving contact bridge 33 to move.
  • internal walls of said flanges 68 comprises a layer of insulating material. The positioning of the layers of insulating material on the flanges 68 makes it possible to prevent the arc from catching on the inner walls of said flanges 68.
  • These layers are preferably made of gas-generating material.
  • the extinguishing chamber is also delimited by a rear wall 72 placed perpendicular to the XZ plane. Said posterior wall is remote from the opening volume 35 to be positioned opposite an opening volume of the contact zones 36, 37.
  • the rear wall 72 connects the two lateral flanges 68 so as to form a metal assembly substantially U-shaped.
  • the rear wall 72 connects the two flanges on part of their height.
  • the two lateral flanges 68 extend in a direction parallel to the median longitudinal plane XZ so as to completely enclose the contact zone 36 of the movable contact bridge 33. More precisely, the two lateral flanges 68 extend further enclose the contact zone 36 of the movable contact bridge 33 inside the arc extinguishing chamber 24. In other words, the development of the flanges in length makes it possible to close each opening volume 35 laterally so as to channel the escape of ionized particles at the moment of opening of the electrical contacts.
  • each arc extinguishing chamber 24 may comprise a metal upper baffle 69. As shown in FIG. figure 18 said baffle electrically connects a fixed contact 32 to a rear wall 72 to form an upper portion of the metal wall of said quench chamber.
  • the movable contact bridge 33 comprises arc horns 39 at each of the two ends. Said arc horns extend beyond the contact zones towards the rear walls 72 of the arc extinguishing chambers.
  • the arc horns 39 are inclined with respect to the longitudinal axis X of the movable contact bridge 33.
  • the casing 31 of the unitary cut-off block 80 is intended to be positioned in a base 110 of the cut-off block 100 of the contactor 1.
  • the base 110 has an inner face having a first recess 120 in which is positioned unitary cleavage units 80.
  • the lower face 84 of the housing 31 is then positioned vis-a-vis in the first footprint 120 of the base 110.
  • the main faces 81 are contiguous to partition walls 111 of the base 110.
  • the partition walls 111 positioned on the outer edges of the base 110 thus form walls of the modular electrical switching device 1.
  • the base 110 comprises a first cavity 120 having at least three compartments intended to collaborate respectively with a unitary cutoff unit 80.
  • Each unitary cutoff unit 80 cooperates with the base 110 to produce at least one exhaust gas outlet channel allowing a cut without noise or ionized gases outside the base.
  • the two half-shells according to the invention are intended to collaborate with a compartment of the first cavity 120 of a base 110 of a modular electrical switching device 1 in order to define two channels for evacuation of the cutoff gases.
  • Each evacuation channel is then connected to an internal volume of the housing 31 by an opening 86 made in a half-shell 80A.
  • the half-shells respectively comprise a rib 85 intended to collaborate with a compartment of the first cavity 120 of a base 110 of a modular electrical switching device 1 in order to define the discharge channels of the cutoff gases.
  • the ribs 85 of the two half-shells 80A assembled form at a contact plane a lower rib 805 on the lower face 84 of the housing 31.
  • the lower rib 805 develops in a direction parallel to the longitudinal plane XZ.
  • Said rib is intended to collaborate with the first imprint 120 of a base 110 of a modular electrical switching device 1 in order to delimit two discharge gas discharge channels, each channel being connected to an internal volume of the housing by a opening 86 made in a half-shell 80A.
  • the case 31 of the unitary block of cutoff 80 is intended to be positioned in a base 110 of a modular electrical switching device 1.
  • the lower face 84 of the housing 31 then comes to position vis-à-vis a first footprint 120 of the base 110. More particularly, the rib lower 805 has on the lower face 84 of the housing 31 delimits with the cavity 120 two discharge channels cutoff gases. Each channel is connected to an internal volume of the housing by an opening 86 made in a half-shell 80A. In a particular embodiment, the openings 86 preferably pass through the lower face 84 of the housing 31. More specifically, each half-shell 80A comprises respectively an opening 86 opening. In order to effectively reduce the external manifestations of the cutoff gases, a filter block pierced with holes is placed in each discharge channel. As an exemplary embodiment, a gate 87 is placed at each of the openings 86 of the housing 31.
  • each compartment of the first footprint 120 of the base 110 comprises a hollow rib 121.
  • the lower rib 805 protruding from the housing 31 is then arranged to be placed in the hollow portion of the first footprint 120 of the base 110 at the time of positioning of the cutoff block 80 in the modular electrical switching device 1 to delimit two separate discharge channels.
  • the lower rib 805 comprises sections of concave and / or convex shape.
  • the lower face 84 of the unitary cleavage units 80 has a shape for modulating the section of the gas evacuation channel along this channel so as to alternate zones of relaxation and compression.
  • Each compartment of the first cavity 120 is hollow so that the discharge gas discharge channels comprise walls formed by a portion of the lower face 84 of a unitary cutoff unit 80 and a part of the base 110 of the device. Modular electrical switching.
  • Each compartment of the first cavity 120 has on one face intended to be placed opposite the lower face 84 of the housing 31 of the unitary cutoff unit 80. Said face comprises a hollow zone 121 in which the lower rib 805 projecting said case is intended to be placed to delimit two channels separate evacuation.
  • each compartment of the first cavity 120 of the base 110 has a wall in which two holes 122 for evacuation of gases are arranged. Each hole 122 is connected to one of the evacuation channels.
  • the two half-shells respectively comprise a rib 85 on their main face 81.
  • the ribs 85 are preferably recessed relative to the main faces 81.
  • the housing 31 comprises two ribs 85 developing in a direction parallel to the longitudinal plane XZ. Said ribs are intended to collaborate with a first imprint 120 of a base 110 of a modular electrical switching device 1.
  • Each channel is connected to an internal volume of the housing by an opening 86 made in a half-shell 80A.
  • the openings 86 preferably pass through the lower face 84 of the housing 31.
  • each half-shell 80A comprises respectively an opening 86 opening.
  • the base 110 further comprises an outer face intended to collaborate with a chassis or a DIN rail type of fixing rail.
  • the outer face comprises a second cavity 130 having an internal volume delimited by a wall. Said second cavity 130 is thus positioned between the external face of said base 110 and the first cavity 120 intended for the positioning of a cutoff block 80.
  • the second cavity 130 comprises first openings opening respectively in main walls of the modular contactor 1 and second connection openings 132 opening near the connection pads 45 of the modular contactor 1.
  • the first openings of the second cavity 130 are preferably made in a breakable wall of the base 110.
  • the breakable portion is removed or not not withdrawn.
  • the breakable parts have not been withdrawn.
  • the breakable parts of the bases 110 have been removed on the two main faces of the switching device to leave a passage for electrical conductors 301.
  • the first and second openings allow the passage of electrical conductors 301 connecting at least one electrical pole of a first modular switch 1 to an electrical pole of a second modular switch 2 placed against the first.
  • the internal volume of the second cavity 130 is substantially of parallelepipedal shape and has an open face on the external face of the modular contactor 1, 2.
  • the second cavity 130 comprises at least one channel having an edge comprising at least one connection opening 132 opening at a connection pad 45 of a unitary breaking block 80.
  • Said at least one channel extends according to a direction substantially perpendicular to the longitudinal plane XZ and completely through the base 110 to open on either side of said base.
  • said at least one channel comprises a substantially parallelepipedal volume having two substantially parallel edges.
  • the second cavity 130 comprises two substantially identical channels and arranged parallel to one another.
  • the channels have a parallelepipedic shape respectively.
  • the internal volumes of each channel then comprise first openings opening respectively into the main walls of the modular contactor 1, 2 and the second connection openings 132 opening near the connection areas 45 of the modular contactor 1, 2.
  • the two channels are separated by a partition. Said partition is intended to separate the upstream from the downstream. Said partition may be intended to collaborate with a DIN rail type of fixing rail.
  • the second cavity 130 comprises two channels, only one of the two edges of each channel comprises the connection openings 132.
  • the second connection openings 132 of a first channel open in the vicinity of the upstream connection areas of the modular contactor 1, 2 and the second connection openings 132 of a second channel 130 open in the vicinity of the contactor upstream connection pads. modular 1, 2.
  • connection openings 132 are arranged in the two parallel edges of the channel, each edge respectively comprising the connection openings capable of being traversed by one of the reversal bars of the set of inversion bar.
  • the second cavity 130 has two slots respectively cut into the lateral faces of the base 110. These slots open respectively at the connection pads 45 of the unitary breaking units 80. Each slot is intended to receive a complete set of inversion bar 300 having one or more inverting bars 301.
  • the modular electrical switching device 1 may further comprise one or more fault detection devices including thermal.
  • the detection devices are connected to the actuator block 200 to control the opening of the electrical contacts via the actuator.
  • the modular electrical switching device 1 comprises a removable thermal protection module 400.
  • a removable thermal protection module 400 comprises a housing in which one or more annular-shaped current sensors are positioned. Said sensors are intended to be positioned around the connection pads 45 of the unitary breaking units 85 of the breaking block 100.
  • the current sensors may be of the Rowgoski type.
  • the removable thermal protection module 400 is adapted to a three-pole modular contactor and thus comprises three openings 401 allowing its positioning by interlocking on the connection pads 45 of the three unipolar breaking blocks 85.
  • the removable thermal protection module 400 has the distinction of being integrated in the modular contactor 1 so as to be interposed between the breaking block 100 and the connection terminal blocks 500.
  • the removable thermal protection module 400 has the particularity of not having own power supply means.
  • the removable thermal protection module 400 comprises communication and power supply means 402 intended to automatically connect with the removable electrical control module 250 of the actuating block 200. These communication connection means and power supply 402 are able both to supply the removable thermal protection module 400 and to transmit the measurements made by the current sensors.
  • the positioning of the removable electric control module 250 on the housing of the actuating block 200 allows the connection and the automatic power supply between the current sensors of the removable thermal protection module 400 and the removable electrical control module 250.
  • the quick fixing means of the actuating block 200 with cut-off block 100 comprise a first part integral with the movable armature 202 of the actuating block 200 and a second part integral with the cutoff block 100.
  • the quick fastening means comprise at least one coupling hook 214 for fixing and holding the breaking block 100 to the actuating block 200.
  • Said coupling hitch 214 is integral with the mobile armature 202 of the electromagnetic actuator and is able to collaborate with an actuating device 34 of the movable contact 33 of the breaking block 100 to transmit the movement of the mobile armature 202. at the mobile contact 33.
  • the hook coupling 214 is intended both to fix the actuating block 200 with the breaking block 100 and to transmit the movement of the movable armature 202 of the electromagnetic actuator to the movable contact bridge 33 of a block of unitary cutoff 80 of the cutoff block 100.
  • the actuating device 34 of the movable contact 33 comprises a movable contact holder 38 integral with the movable contact 33. Said movable contact holder 38 is connected to an attachment head 51. According to one embodiment of the invention, the movable contact 33 is preferably slidably mounted on the movable contact carrier 38.
  • the movable contact holder 38 is an integral part of the unitary breaking unit 80 and does not form part of the moving part of the electromagnetic actuator of the actuating block 200.
  • Each unitary cut-off unit then comprises respectively a door movable contact 38 secured to the movable contact 33.
  • the breaking block 100 of the modular contactor 1 according to the invention comprises three unitary breaking units 80 respectively having a movable contact holder 38.
  • Each unitary cutoff unit then has an autonomous operation with respect to the other unit blocks.
  • the coupling hook 214 comprises an inner surface having a first and a second edge respectively comprising bearing surfaces capable of transmitting the movements of the mobile armature 202 to the moving contact from a closed position towards an open position and vice versa.
  • the coupling hook 214 preferably has a C-shaped profile having two substantially parallel edges.
  • a first edge of the coupling hook 214 comprises a slot which is intended to receive the attachment head 51 integral with the contact holder 38.
  • the first edge comprises a bearing surface intended to transmit the movement of the mobile armature 202 to the movable contact holder 38 of the movable contact 33 in a first direction of movement, in particular from the closed position of the movable armature 202 towards its open position.
  • a second edge has a bearing surface intended to transmit the movement of the mobile armature 202 to the movable contact holder 38 of the movable contact 33 in a second direction of movement, in particular from the open position of the movable armature 202 towards its closed position.
  • the attachment means 210 comprise a tray 211 intended to be fixed to the movable armature 202.
  • the tray 211 comprises a countersink on a first face. Part of the mobile armature 202 is intended to be positioned by recess in said counterbore.
  • Fastening means 210 comprise retaining keys 212 removable through the walls of the counterbore and a portion of the movable armature 202.
  • the shape of the countersink of the tray 211 is substantially rectangular to receive the transverse reinforcement solidarisant the external branches of the U-shaped mobile armature of the mobile armature 202.
  • Said transverse armature comprises through holes allowing the passage of the retaining keys 212 removable during attachment of the mobile armature 202 with the tray 211.
  • the tray 211 comprises three hitching hooks 214 intended respectively to collaborate with a fastening head 51 of a movable contact holder 38 secured to a movable contact 33 of a unitary cut-off block 80.
  • three unitary breaking units 80 are then synchronously controlled by the actuating block 200 acting on the unitary breaking units.
  • the unitary clipping units 80 can be controlled synchronously and simultaneously or in a synchronized and non-simultaneous manner.
  • Each unit block 80 is connected to the actuating block 200 and is controlled at the opening of the contacts 32, 33 by moving in translation the movable contact bridge 33 in a direction perpendicular to the longitudinal axis X.
  • the movable bridge contact 33 moves between an open position and a closed position of the electrical contacts.
  • the coordination at the opening of the different unitary breaking units 80 is carried out directly by the actuating block 200 and not by additional means such as in particular by connecting control axes unit blocks of cutoff.
  • each unitary block of cutoff 80 can be directly removed from the base 110 of the fixing block 100. This withdrawal can be realized from independently from that of the other unitary cleavage units 80.
  • the modular contactor 1 then comprises quick fixing means 210 allowing the attachment of the actuating block 200 to the breaking block 100 removably.
  • the towing hook 214 comprises means of catching play capable of eliminating the clearances necessary for mounting the actuating block 200 on the break block 100. These means of catching games thus guarantee the respect for a reduced quotation chain.
  • the game-catching means comprise an elastic blade 213 substantially positioned parallel to the second edge of the coupling hook 214.
  • Said elastic blade 213 behaves like a blade damper by deforming along the Z direction as soon as it enters into position. contact with the attachment head 51 connected to a movable contact holder 38 secured to a movable contact 33.
  • the clearance is made in such a way that it avoids relative movements of the different parts during the electrical or mechanical maneuvers of the modular contactor.
  • the game-catching means thus make it possible to reach high levels of mechanical durability.
  • a single elastic play catch blade could be used and then be common to the three unit blocks of cut.
  • the elastic blade 213 is positioned in a housing of the tray 211.
  • the elastic blade 213 is preferably metal and is made by folding. Said blade has positioning pins intended to be placed inside the tray 211 to limit any displacement of said blade.
  • the elastic blade 213 has a dual function. It allows on the one hand a recovery of the clearance between tray 211 and attachment head 51 and on the other hand a recovery of clearance between tray 211 and the movable armature 202 of the electromagnetic actuator.
  • the wave shape of the elastic blade 213 has the effect of locating fastening head 51 in the axis of the moving assembly 220 and to allow a snap-in sensation or hard point to the installer validating the proper assembly of the two parts one on the other.
  • each movable bridge 33 of a unitary cutoff unit 80 comprises a coupling head 51 intended to be connected to a coupling hook 214 of a tray 211 of a movable armature 202 of the electromagnetic actuator.
  • the attachment head 51 has support surfaces intended to collaborate with the bearing surfaces of the two edges of the coupling hook 214 in a C-shape.
  • the attachment head is positioned between the two edges of the coupling hook 214.
  • the attachment head 51 is connected to the movable contact holder 38 via a transmission axis 52.
  • the transmission axis 52 then comes to be positioned inside the the slot of the first edge of the tow hook 214.
  • the position of the attachment head 51 is adjustable in the direction of movement of the movable contact bridge 33, in other words in a direction perpendicular to the longitudinal axis X. This setting allows to optimize the contact crushing stroke between the electrical contact zones 37 of the two fixed contacts 32 and the contact zones 36 of the movable contact bridge 33.
  • the movable contact bridge 33 of each unitary breaking block 80 moves between an open position and a closed position of the electrical contacts. The purpose is to ensure that for a given displacement stroke, the electrical contacts are in the closed position.
  • the displacement stroke is fixed by the electromagnetic actuator of the actuating block 200.
  • the distance separating the movable contact bridge 33 from the fixed contacts 32 in the open position of the contacts can vary from one unitary breaking block 80 to the other .
  • the final positions of the movable contact bridges 33 may be different.
  • a movable breaking bridge 33 of a unitary cutoff unit 80 may not be totally in a closed position while the other movable bridges 33 of the other unitary clipping units are already in a closed position. closing position.
  • An adjustment of the crushing stroke of the contacts consists in ensuring the holding of a mechanical dimension between the attachment head 51 and the housing 31 of the unitary cutoff unit 80 in the closed position of the contacts. More precisely, the adjustment of the crushing stroke of the contacts consists in guaranteeing the holding of a dimension between the bearing surfaces of the fastening head 51 and a reference surface of the casing 31 of the unitary cut-off block 80. This dimension will be reproduced for all the unitary breaking blocks of the same modular contactor 1 according to the invention.
  • the adjustment of the crushing stroke is achieved thanks to the transmission axis 52 connecting the attachment head 51 to the movable contact holder 38.
  • said transmission axis 52 is of variable length.
  • the transmission axis 52 has a first end attached to the attachment head 51 and a second end having a thread.
  • the threading is intended to collaborate with a tapping made in the movable contact holder 38 secured to the movable contact bridge 33.
  • the attachment head 51 comprises a fingerprint intended to collaborate with an adjustment tool (not shown).
  • the adjustment tool is intended to be handled by a user wishing to adjust the length of the transmission axis 52.
  • the attachment head may comprise for example a CHc type profile.
  • the attachment head may comprise for example a profile of hexagonal shape.
  • the method for adjusting the crushing stroke of the electrical contacts of a unitary breaking unit 80 consists in placing the movable contact holder 38 in a closed position of the electrical contacts 32, 33.
  • the crush stroke of the contacts can be also called the wear guard.
  • This operation is generally carried out manually before mounting the box 31 of the unitary cut-off block 80 on the base 111 of the cut-off block 110.
  • the next step consists in positioning an adjusting jig 600 between the outer surface of the box 31 and a surface 51. If the distance between the housing and the attachment head 51 is less than the thickness of the adjustment jig 600 and does not allow the positioning of said jig, the transmission axis 52 is then lengthened in particular by unscrewing it relative to the case 31.
  • the transmission axis 52 is then shortened in particular by screwing relative to the housing 31.
  • the adjustment of the length of the transmission shaft 52 being realized, the adjustment template 600 can be removed.
  • the first step consists in maximizing the length of the transmission axis 52, in particular by unscrewing it as much as possible.
  • the second stage as represented on the Figures 7A and 7B , consists in positioning the adjusting jig 600 between a bearing surface of the attachment head 51 and a reference surface of the case 31 of the unitary cut-off block 80.
  • the movable contact holder 38 is then brought in a closed position of the electrical contacts 32, 33 by screwing the transmission axis 52. As shown in FIGS.
  • each unitary cutoff unit 80 also makes it possible to create a time shift or a synchronization in the opening of the movable contacts 33 of the unitary blocks. 80 of the same modular switching device according to the invention.
  • This time shift in the opening of the electrical poles of a modular switching device makes it possible in particular to reduce the wear of the contacts when opening a three-phase product, by deliberately advancing the opening of a pole with respect to the two other.
  • This time shift in the opening of the electrical poles of a modular switching device also makes it possible to guarantee, for certain four-phase applications, an advance or a delay of the opening of the neutral with respect to the phases.
  • this operation can be performed simultaneously for all the unitary clipping units 80 positioned in a unitary base, bipolar, three-pole or four-pole.
  • a template associated with the number of poles present is then used.
  • a time shift of the opening of one or more poles can easily be achieved by a template incorporating the shift of the pole to undergo the advance or the delay of closure.
  • the assembly and / or disassembly of the cutoff block 100 with actuating block 200 can be easily achieved which facilitates for example maintenance operations including the cutoff block.
  • the positioning references of the actuating block 200 with respect to the predetermined cutoff unit blocks of the cut-off block 100 make it possible to guarantee a very low tolerance of the contact wear guard, even if the blocks are changed. units during the maintenance intervention.
  • the wear guard of the contacts is also called contact crush. This then has the effect of ensuring a low tolerance on electrical endurance despite the manufacturing tolerances of any industrial product, and simultaneously to allow a gain of contact material (silver-based) and a lower consumption of the actuator.
  • the modular contactor 1 according to the invention comprises connection terminal blocks 500 intended to be connected to the connection terminals 45 of the breaking block.
  • the electrical switching device 1 comprises additional blocks of removable auxiliary contacts 700. These blocks have the particularity of being removable.
  • the removable auxiliary contact blocks 700 comprise a mobile contact support SCM which is controlled at the opening or by the operating axis 216 of the moving assembly 220 through the tray 211 moving in a translation movement or by the multifunction lever 205 moving in a rotational movement.
  • the removable auxiliary contact blocks 700 are controlled by a translational movement of the moving element 202 to indicate the open or closed state NO / NC of the electrical switching device. 1.
  • Said additive block is mounted vertically with respect to the installation position.
  • the removable auxiliary contact blocks 700 are controlled by a rotational movement of the multi-function lever 205.
  • the additive blocks are mounted frontally with respect to the installation position. .
  • the multi-function lever 205 may offer the possibility, via a particular flag-like shape, of indicating the opening state of the electrical switching device 1. This mechanical visualization of the position of the electrical switching device 1 is possible thanks to an angular displacement of the lever 205 comprising a flag 208.
  • the invention relates to a switching assembly 1000 comprising two modular contactors 1, 2 as defined above.
  • Said modular contactors 1, 2 of the switching assembly 1000 are placed side by side so as to be contiguous with one of their main faces.
  • the two modular contactors 1, 2 are electrically connected.
  • the switching assembly 1000 comprises electrical conductors 301 respectively positioned inside the second cavities 130 of the two bases 110 of the two modular contactors 1, 2.
  • the electrical conductors 301 connecting the electrical poles of the first modular contactor 1 to the electrical poles of the second modular contactor 2 comprise 301 rigid or semi rigid conductors.
  • the internal volume of the second cavity 130 is intended to receive sets of inversion bars 300 capable of connecting two modular contactors 1, 2 in an inverter mode as shown in FIG. the Figures 21 and 22 .
  • the two contactors 1, 2 connected by the inversion busbar 300 are three-pole contactors.
  • the busbar 300 then comprises six inverting bars 301 respectively connecting two connection pads 45 of two contactors.
  • the electrical conductors 301 of the switching assembly 1000 are arranged in two groups 300 respectively comprising three inversion bars 301.
  • the electrical conductors 301 of the same group 300 are held together by a clamp 302.
  • connection opening 132 of a second cavity 130 opening at a connection pad 45 of a unitary cut-off unit 80 is then traversed by one of the inversion bars 301 of the inversion bar set 300.
  • each connection opening 132 allows the passage and positioning of an inversion bar next to a connection pad 45 so that the electrical contact between the pad and the bar can take place.
  • the introduction of the reversal bars 301 of the reversing bar set 300 is done by the outer face of the base 110. After sliding the ends of the inverting bars 301 in the connection openings 132, the set of 300 bar undergoes a slight rotation to be positioned inside the second footprint 130.
  • the introduction of inversion bars 301 of the inversion bar set 300 is done directly by the lateral face of the base 110.
  • the inversion busbar 300 is positioned in the slot of the second impression 130 by sliding in the latter.
  • the ends of the inverting bars 301 are then directly attached to the connection pads 45.
  • an upstream connection pad 45 of the first electrical pole of the first modular switch 1 is connected to an upstream connection pad 45 of the first electrical pole of the second modular switch 2.
  • a connection pad downstream 45 of the first electrical pole of the first modular contactor 1 is connected a downstream connection pad 45 of the third electrical pole of the second modular switch 2.
  • An upstream connection pad 45 of the second electrical pole of the first modular switch 1 is connected to a connection pad upstream 45 of the second electrical pole of the second modular contactor 2.
  • a downstream connection area 45 of the second electrical pole of the first modular contactor 1 is connected to a downstream connection pad 45 of the second electrical pole of the second modular switch 2.
  • An upstream connection pad 45 of the third electric pole of the first modular switch 1 is connected to the upstream connection pad 45 of the third electrical pole of the second modular contactor 2.
  • a downstream connection area 45 of the third electrical pole of the first modular contactor 1 is connected to the downstream connection area 45 of the first electrical pole of the second modular contactor 2.
  • this mode can be applied to four-pole contactors (not shown) for reversing electric power sources.
  • the two busbars 300 are placed inside the contactors.
  • This innovative configuration makes it possible not to increase the total volume of the electrical installation. This presents an important advantage over the solutions of the state of the art where the installation of the bar sets on the outside ( figure 19 ) causes problems when wiring the contactors in the control cabinets. Indeed, the place inside these electrical cabinets is always limited.
  • this configuration of the inverter busbars inside the modular contactors 1, 2 according to the invention also makes it possible to integrate a removable measuring and thermal protection module 400 with one of the two modular contactors 1, 2 as shown on the Figures 21 and 22 .
  • one of the modular contactors 2 of the switching assembly 1000 does not include a removable thermal protection module 400.
  • Said modular contactor 2 comprises an actuating block 200 associated with a cutoff block 100 not equipped with a removable module of thermal protection 400.
  • the invention is particularly intended for multipole switchgear devices of the electronically controlled contactor or choke type.
  • the simplified modular structure architecture of these devices makes it possible to accept one or more cutoff blocks, as well as removable thermal protection in the volume of the device. This architecture allows easy and differentiated maintenance of the various modular elements, whether electrical, electronic or electromechanical.

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Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention est relative un procédé de réglage de la course d'écrasement des contacts électriques d'un bloc unitaire de coupure destiné à être intégré à un bloc de coupure. Ledit bloc unitaire de coupure comprend à l'intérieur d'un boitier un contact fixe et un contact mobile monté en coulissement sur un porte contact mobile de manière à être entrainé en mouvement par ce dernier, ledit porte contact mobile étant relié à une tête d'accrochage destinée à collaborer avec un crochet d'attelage d'un bloc d'actionnement relié au bloc de coupure.The invention relates to a method for adjusting the crushing stroke of the electrical contacts of a unitary breaking unit intended to be integrated in a breaking block. Said unitary breaking unit comprises inside a housing a fixed contact and a movable contact slidably mounted on a movable contact carrier so as to be driven in movement by the latter, said movable contact carrier being connected to a control head. hooking intended to collaborate with a coupling hook of an actuating block connected to the breaking block.

L'invention est aussi relative à un bloc unitaire de coupure d'un bloc de coupure d'un dispositif modulaire de commutation électrique pour la mise en oeuvre du procédé.The invention also relates to a unit block for breaking a breaking block of a modular electrical switching device for carrying out the method.

L'invention est aussi relative à dispositif modulaire de commutation électrique comportant un bloc de coupure associé à un bloc d'actionnement. Le bloc de coupure comportant au moins un bloc unitaire de coupure selon l'invention. Le bloc d'actionnement des blocs unitaires de coupure comportant un actionneur de type électromagnétique ayant une armature mobile apte à se déplacer entre une position ouverte et une position fermée des contacts électriques. Des moyens autorisant la fixation du bloc d'actionnement sur le bloc de coupure.The invention also relates to a modular electrical switching device comprising a breaking block associated with an actuating block. The breaking block comprising at least one unitary breaking unit according to the invention. The actuating block of the unitary breaking units comprising an electromagnetic type actuator having a movable armature able to move between an open position and a closed position of the electrical contacts. Means allowing the fixing of the actuating block on the breaking block.

ETAT DE LA TECHNIQUE ANTERIEURESTATE OF THE PRIOR ART

L'utilisation de blocs unitaires de coupure dans des dispositifs multipolaires de protection et/ou de commutation tels que disjoncteur, contacteur-disjoncteur, contacteur est connue. Les blocs unitaires de coupure peuvent être logés dans un boîtier multipolaire ( US4684772 ). Les dispositifs multipolaires sont alors modulaires au sens où un même bloc de coupure peut être dupliqué trois fois dans un dispositif de commutation tripolaire et quatre fois dans un dispositif tétrapolaire.The use of unitary breaking units in multipole protection and / or switching devices such as circuit breaker, contactor-breaker, contactor is known. The unitary cutoff units can be housed in a multipolar package ( US4684772 ). The multipolar devices are then modular in the sense that the same breaking block can be duplicated three times in a three-pole switching device and four times in a four-pole device.

Lorsque plusieurs blocs de coupure sont rassemblés dans un boitier d'un dispositif de commutation, se pose alors notamment le problème de la commande synchronisée des différents blocs de coupure. Des solutions existantes plus ou moins complexes décrivent des moyens de commande et d'actionnement des blocs de coupure. L'utilisation de moyens de commande complexes peut présenter des problèmes de fiabilité dans le temps.When several breaking blocks are collected in a box of a switching device, then arises particularly the problem of control synchronized different break blocks. Existing more or less complex solutions describe means for controlling and actuating the breaking blocks. The use of complex control means may have problems of reliability over time.

En outre, certains dispositifs de commutation comportent des moyens électroniques de commande. L'utilisation de moyens électroniques de commande réduit généralement fortement le volume du dispositif ainsi que sa consommation. Elle ouvre aussi le contacteur à la communication. Cependant, si les moyens de commande sont pilotés et alimentés par une électronique de commande des problèmes supplémentaires peuvent apparaitre. En effet le niveau et les périodes de maintenance requis par les moyens électroniques et les moyens électromécaniques inclus dans le même dispositif ne sont pas les mêmes sachant que la maintenance global doit rester aisée et à faible coût. Ceci est d'autant plus vrai que les durées de vie des moyens électroniques de commande et de l'électromécanique associée peuvent être très différentes selon les applications.In addition, some switching devices include electronic control means. The use of electronic control means generally greatly reduces the volume of the device and its consumption. It also opens the contactor to communication. However, if the control means are controlled and powered by an electronic control additional problems may appear. Indeed the level and maintenance periods required by the electronic means and the electromechanical means included in the same device are not the same knowing that the overall maintenance must remain easy and low cost. This is all the more true that the lifetimes of the electronic control means and the associated electromechanics can be very different depending on the application.

Ainsi la modularité du dispositif de commutation permet à l'utilisateur d'obtenir un produit dont les performances sont réellement adaptées à l'utilisation qu'il en fait. La contre partie de cette modularité est la certaine complexité de réalisation d'un tel dispositif multipolaire de commutation. La complexité est réelle en terme de réalisation de l'architecture et en terme la maintenance du dispositif de commutation.Thus the modularity of the switching device allows the user to obtain a product whose performance is actually adapted to the use it makes. The counterpart of this modularity is the certain complexity of realization of such a multipolar switching device. The complexity is real in terms of realization of the architecture and in terms of the maintenance of the switching device.

La modularité du dispositif multipolaire de commutation peut aussi concerner la mise en place et l'utilisation d'un dispositif de protection thermique électronique. L'intégration d'une protection thermique électronique amovible dans le volume du dispositif de commutation est alors possible au prix de moyens d'adaptation présentant une certaine complexité. Cette complexité supplémentaire peut être accrue lorsque plusieurs dispositifs de commutation sont reliés entre eux pour commander un moteur suivant notamment un montage en mode inverseur.The modularity of the multipolar switching device can also relate to the introduction and use of an electronic thermal protection device. The integration of a removable electronic thermal protection in the volume of the switching device is then possible at the cost of adaptation means having a certain complexity. This additional complexity can be increased when several switching devices are interconnected to control a motor including in particular an inverter mode.

EXPOSE DE L'INVENTIONSUMMARY OF THE INVENTION

L'invention vise donc à remédier aux inconvénients de l'état de la technique, en proposant un dispositif de commutation électrique à commande électronique comportant une architecture modulaire simplifiée acceptant un ou plusieurs blocs de coupure.The invention therefore aims to remedy the drawbacks of the state of the art, by proposing an electronically controlled electrical switching device comprising a simplified modular architecture accepting one or more breaking blocks.

Le procédé de réglage de la course d'écrasement des contacts électriques selon l'invention comprend les étapes suivantes :

  • placer le porte contact mobile dans une position telle que le contact mobile soit juste en contact avec le contact fixe ;
  • positionner un gabarit de réglage entre une surface externe de référence du boitier et une surface d'appui de la tête d'accrochage ;
  • régler une longueur d'un axe de transmission reliant la tête d'accrochage au porte contact mobile en :
    • allongeant l'axe de transmission si la distance entre la surface externe de référence du boitier et la tête d'accrochage est inférieure à l'épaisseur du gabarit de réglage ;
    • raccourcissant l'axe de transmission si la distance entre la surface externe de référence du boitier et la tête d'accrochage est supérieure à l'épaisseur du gabarit de réglage ;
  • retirer le gabarit de réglage.
The method for adjusting the crushing stroke of the electrical contacts according to the invention comprises the following steps:
  • placing the movable contact holder in a position such that the moving contact is just in contact with the fixed contact;
  • positioning a control jig between an external reference surface of the housing and a bearing surface of the attachment head;
  • adjust a length of a transmission axis connecting the attachment head to the movable contact holder in:
    • extending the transmission axis if the distance between the external reference surface of the housing and the attachment head is less than the thickness of the adjustment jig;
    • shortening the transmission axis if the distance between the outer reference surface of the housing and the attachment head is greater than the thickness of the adjusting jig;
  • remove the adjustment template.

Selon un mode particulier de réalisation, ledit procédé comprend les étapes suivantes :

  • augmenter au maximum la longueur de l'axe de transmission ;
  • positionner un gabarit de réglage entre une surface externe de référence du boitier et une surface d'appui de la tête d'accrochage ;
  • amener le porte contact mobile dans une position de fermeture des contacts électriques en raccourcissant l'axe de transmission ; la tête d'accrochage finissant par être en appui sur le gabarit de réglage et le porte contact mobile en position de fermeture.
  • retirer le gabarit de réglage ; le porte contact mobile étant positionnée dans une position d'ouverture des contacts.
According to a particular embodiment, said method comprises the following steps:
  • maximize the length of the transmission axis;
  • positioning a control jig between an external reference surface of the housing and a bearing surface of the attachment head;
  • bringing the mobile contact carrier into a closed position of the electrical contacts by shortening the transmission axis; the catching head eventually resting on the adjusting jig and the movable contact holder in the closed position.
  • remove the adjustment template; the movable contact holder being positioned in an open position of the contacts.

Avantageusement, l'allongement de l'axe de transmission est réalisé en dévissant ledit axe par rapport au boitier.Advantageously, the elongation of the transmission axis is achieved by unscrewing said axis relative to the housing.

Avantageusement, le raccourcissement de l'axe de transmission est réalisé en vissant ledit axe par rapport au boitier.Advantageously, the shortening of the transmission axis is achieved by screwing said axis relative to the housing.

La tête d'accrochage du bloc unitaire de coupure selon l'invention est mobile par rapport au porte contact mobile, la tête d'accrochage pouvant se déplacer selon une direction perpendiculaire à l'axe longitudinal.The attachment head of the unitary breaking block according to the invention is movable relative to the movable contact holder, the attachment head being movable in a direction perpendicular to the longitudinal axis.

Avantageusement, la tête d'accrochage est reliée au porte contact mobile par un axe de transmission de longueur variable, ledit axe de transmission comportant une première extrémité fixée à la tête d'accrochage et une seconde extrémité comportant un filetage destiné collaborer avec un taraudage réalisé dans le porte contact mobile.Advantageously, the attachment head is connected to the movable contact holder by a transmission shaft of variable length, said transmission axis having a first end attached to the attachment head and a second end having a thread intended to collaborate with a tapped thread. in the mobile contact holder.

Le dispositif modulaire de commutation électrique selon l'invention comporte des moyens de fixation rapide autorisant une fixation amovible du bloc d'actionnement sur le bloc de coupure et comportant au moins un crochet d'attelage destiné :

  • à fixer et maintenir le bloc de coupure au bloc d'actionnement,
  • à collaborer avec un dispositif d'actionnement d'un contact mobile du bloc unitaire de coupure pour transmettre le mouvement de l'actionneur électromagnétique audit contact mobile.
The modular electrical switching device according to the invention comprises quick fixing means allowing a removable attachment of the actuating block on the cutoff block and comprising at least one coupling hook for:
  • to fix and maintain the breaking block at the actuating block,
  • collaborating with a device for actuating a movable contact of the unitary breaking unit to transmit the movement of the electromagnetic actuator to said moving contact.

Ledit crochet d'attelage est solidaire de l'armature mobile de l'actionneur électromagnétique.Said coupling hook is integral with the movable armature of the electromagnetic actuator.

De préférence, le crochet d'attelage comporte un bord ayant une surface d'appui apte à collaborer avec la tête d'accrochage d'un bloc unitaire de coupure pour transmettre les mouvements de l'armature mobile au contact mobile de la position fermée vers la position ouverte et inversement.Preferably, the coupling hook comprises an edge having a bearing surface able to collaborate with the attachment head of a unitary cut-off unit for transmitting the movements of the moving armature to the movable contact from the closed position to the open position and vice versa.

Avantageusement, le crochet d'attelage comporte un premier bord ayant une fente est destinée à recevoir la tête d'accrochage, ledit premier bord comportant une surface d'appui destinée à transmettre le mouvement de l'armature mobile au porte contact mobile du contact mobile dans une première direction de mouvement de la position fermée vers sa position ouvert. Un second bord a une surface d'appui destinée à transmettre le mouvement de l'armature mobile au porte contact mobile du contact mobile dans une seconde direction de mouvement, de la position ouverte vers sa position fermée.Advantageously, the coupling hook comprises a first edge having a slot is intended to receive the attachment head, said first edge having a bearing surface for transmitting the movement of the movable armature to the movable contact gate of the movable contact. in a first direction of movement from the closed position to its open position. A second edge has a bearing surface for transmitting movement of the moving armature to the movable contact holder of the moving contact in a second direction of movement from the open position to its closed position.

De préférence, le crochet d'attelage comporte des moyens de rattrapage de jeu comprenant une lame élastique sensiblement positionnée de manière parallèle au second bord du crochet d'attelage, ladite lame élastique se comportant tel un amortisseur à lame en se déformant selon la direction de déplacement dès qu'elle entre en contact avec la tête d'accrochage d'un ergot solidaire d'un contact mobile.Preferably, the towing hook comprises play catching means comprising a resilient blade substantially positioned parallel to the second edge of the towing hook, said resilient blade behaving like a blade damper by deforming in the direction of movement as soon as it comes into contact with the attachment head of a lug secured to a movable contact.

Selon un mode particulier de réalisation, le dispositif modulaire de commutation électrique comporte trois blocs unitaires de coupure, les dispositifs d'actionnement desdits blocs étant respectivement commandés de manière synchronisée et simultanée par le bloc d'actionnement, pour commander l'ouverture des contacts électriques en déplaçant les contacts mobiles.According to a particular embodiment, the modular electrical switching device comprises three unitary breaking units, the actuating devices of said blocks being respectively controlled synchronously and simultaneously by the actuating block, to control the opening of the electrical contacts. by moving the moving contacts.

Selon un mode particulier de réalisation, le dispositif modulaire de commutation électrique comporte trois blocs unitaires de coupure, les dispositifs d'actionnement desdits blocs étant respectivement commandés de manière synchronisée et non-simultanée par le bloc d'actionnement, pour commander l'ouverture des contacts électriques en déplaçant les contacts mobiles.According to a particular embodiment, the modular electrical switching device comprises three unitary breaking units, the actuating devices of said blocks being respectively controlled in a synchronized and non-simultaneous manner by the actuating block, to control the opening of the units. electrical contacts by moving the moving contacts.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre de modes particuliers de réalisation de l'invention, donnés à titre d'exemples non limitatifs, et représentés aux dessins annexés sur lesquels :

  • La figure 1 représente une vue en perspective d'un dispositif modulaire de commutation électrique selon l'invention ;
  • La figure 2 représente une vue en perspective d'un dispositif modulaire de commutation électrique selon la figure 1 en cours d'assemblage ;
  • La figure 3 représente une vue en coupe d'un bloc de coupure et d'un bloc d'actionnement selon la figure 2 dans une position non assemblée ;
  • La figure 4 représente une vue en coupe d'un bloc de coupure et d'un bloc d'actionnement selon la figure 2 dans une position en cours d'assemblage ;
  • La figure 5A représente une vue éclatée en perspective d'un bloc d'actionnement d'un dispositif modulaire de commutation électrique selon la figure 1 ;
  • La figure 5B représente une vue en perspective d'un bloc d'actionnement d'un dispositif modulaire de commutation électrique selon la figure 5A ;
  • Les figures 6A, 7A et 8A représentent des vues en coupe d'un bloc unitaire de coupure au cours des étapes d'un procédé de réglage de la course d'écrasement de contact selon l'invention ;
  • Les figures 6B, 7B et 8B représentent des vues en perspective d'un bloc unitaire de coupure au cours des étapes du procédé de réglage de la course d'écrasement de contact selon l'invention ;
  • Les figures 9A et 9B représentent des vues en coupes d'un bloc unitaire de coupure respectivement dans une position d'ouverture et une position de fermeture ;
  • Les figures 10A et 10B représentent des vues en coupe partielle d'un dispositif modulaire de commutation électrique selon l'invention en cours de montage ;
  • La figure 11 représente deux demi-coques assemblées d'un mode particulier de réalisation d'un bloc de coupure unitaire d'un bloc de coupure selon l'invention ;
  • La figure 12 représente les deux demi-coques d'un bloc de coupure selon la figure 11 en cours d'assemblage ;
  • La figure 13 représente une vue en perspective d'un socle d'un bloc de coupure selon un mode de réalisation de l'invention ;
  • La figure 14 représente deux demi-coques assemblées d'un autre mode particulier de réalisation d'un bloc de coupure unitaire d'un bloc de coupure selon l'invention ;
  • La figure 15 représente deux demi-coques d'un bloc de coupure selon la figure 14 en cours d'assemblage ;
  • La figure 16 représente une vue en perspective en coupe partielle d'un bloc de coupure selon un mode de réalisation ;
  • Les figures 17 et 18 représentent des vues en perspective de différents modes particuliers de réalisation des moyens de coupure d'un bloc de coupure unitaire ;
  • La figure 19 représente un schéma de câblage de deux dispositifs de commutation placés en amont d'un moteur dans un mode de type inverseur ;
  • La figure 20 représente un schéma de câblage selon la figure 19 selon un mode non fonctionnel de réalisation ;
  • Les figures 21 et 22 représentent des vues en perspective de deux dispositifs de commutation câblés dans un mode de type inverseur ;
  • Les figures 23 à 25 représentent des vues en perspective de coté de deux dispositifs de commutation câblés dans un mode de type inverseur ;
  • Les figures 26 et 27 représentent des vues en perspective de barres de liaison utilisées pour relier deux dispositifs de commutation modulaires dans un mode de type inverseur ;
  • Les figures 28A et 28B représentent des vues en perspective de blocs de contacts auxiliaires dans un premier mode particulier de développement de l'invention ;
  • Les figures 29A et 29B représentent des vues en perspective de blocs de contacts auxiliaires dans un second mode particulier de développement de l'invention ;
  • Les figures 30A et 30B représentent des vues en perspective d'une variante de réalisation des moyens de commande des blocs de contacts auxiliaires selon les figures 29A et 29B ;
  • Les figures 31A et 31B représentent des vues en perspective de variantes de réalisation d'un équipage mobile 220 d'un bloc d'actionnement d'un dispositif modulaire de commutation selon l'invention.
Other advantages and features will emerge more clearly from the following description of particular embodiments of the invention, given by way of non-limiting examples, and represented in the accompanying drawings in which:
  • The figure 1 is a perspective view of a modular electrical switching device according to the invention;
  • The figure 2 represents a perspective view of a modular device of electrical switching according to the figure 1 during assembly;
  • The figure 3 represents a sectional view of a breaking block and an actuating block according to the figure 2 in an unassembled position;
  • The figure 4 represents a sectional view of a breaking block and an actuating block according to the figure 2 in a position during assembly;
  • The Figure 5A represents an exploded perspective view of an actuating block of a modular electrical switching device according to the figure 1 ;
  • The Figure 5B represents a perspective view of an actuating block of a modular electrical switching device according to the Figure 5A ;
  • The Figures 6A, 7A and 8A represent sectional views of a unitary breaking block during the steps of a method of adjusting the contact crush stroke according to the invention;
  • The FIGS. 6B, 7B and 8B are perspective views of a unitary cutoff unit during the steps of the method of adjusting the contact crush stroke according to the invention;
  • The Figures 9A and 9B represent sectional views of a unitary cut-off block respectively in an open position and a closed position;
  • The Figures 10A and 10B represent partial sectional views of a modular electrical switching device according to the invention being assembled;
  • The figure 11 represents two assembled half-shells of a particular embodiment of a unitary breaking block of a breaking block according to the invention;
  • The figure 12 represents the two half-shells of a break block according to the figure 11 during assembly;
  • The figure 13 is a perspective view of a base of a breaking block according to one embodiment of the invention;
  • The figure 14 represents two assembled half-shells of another particular embodiment of a unitary breaking block of a breaking block according to the invention;
  • The figure 15 represents two half-shells of a break block according to the figure 14 during assembly;
  • The figure 16 is a perspective view in partial section of a cutoff block according to one embodiment;
  • The Figures 17 and 18 represent perspective views of various particular embodiments of the cut-off means of a unitary breaking block;
  • The figure 19 represents a wiring diagram of two switching devices placed upstream of a motor in an inverter type mode;
  • The figure 20 represents a wiring diagram according to the figure 19 according to a non-functional embodiment;
  • The Figures 21 and 22 are perspective views of two wired switching devices in an inverter mode;
  • The Figures 23 to 25 are side perspective views of two wired switching devices in an inverter mode;
  • The Figures 26 and 27 are perspective views of link bars used to connect two modular switching devices in an inverter mode;
  • The Figures 28A and 28B represent perspective views of auxiliary contact blocks in a first particular mode of development of the invention;
  • The Figures 29A and 29B show perspective views of auxiliary contact blocks in a second particular embodiment of the invention;
  • The Figures 30A and 30B represent perspective views of a variant of embodiment of the control means of the auxiliary contact blocks according to the Figures 29A and 29B ;
  • The Figures 31A and 31B represent perspective views of alternative embodiments of a mobile assembly 220 of an actuating block of a modular switching device according to the invention.

DESCRIPTION DETAILLEE D'UN MODE DE REALISATIONDETAILED DESCRIPTION OF AN EMBODIMENT

Le dispositif modulaire de commutation électrique 1 selon l'invention tel que représenté sur la figure 1 comporte un bloc de coupure 100 associé à un bloc d'actionnement 200. Le dispositif modulaire de commutation électrique 1 est de préférence un contacteur. Les termes contacteur ou dispositif de commutation ou dispositif modulaire de commutation électrique seront utilisés par la suite sans distinction.The modular electrical switching device 1 according to the invention as shown in FIG. figure 1 comprises a breaking block 100 associated with an actuating block 200. The modular electrical switching device 1 is preferably a contactor. The terms contactor or switching device or modular electrical switching device will be used thereafter without distinction.

Selon un mode préférentiel de réalisation de l'invention, le contacteur modulaire 1 selon l'invention comporte des moyens de fixation rapides autorisant la fixation du bloc d'actionnement 200 sur le bloc de coupure 100 de manière amovible.According to a preferred embodiment of the invention, the modular contactor 1 according to the invention comprises fast fixing means allowing the attachment of the actuating block 200 to the breaking block 100 removably.

En outre, selon ce mode préférentiel de réalisation de l'invention, comme représenté sur les figures 10A et 10B, le bloc d'actionnement 200 comporte un module d'actionnement 230 connecté à un module amovible de commande électrique 250.In addition, according to this preferred embodiment of the invention, as shown in the Figures 10A and 10B the actuating block 200 comprises an actuating module 230 connected to a removable electrical control module 250.

Le module amovible de commande électrique 250 peut comprendre des moyens électroniques de commande alimentés par une électronique de commande. Les termes module amovible de commande électrique 250 ou module amovible de commande électronique 250 seront utilisés par la suite sans distinction.The removable electrical control module 250 may comprise electronic control means powered by a control electronics. The terms removable electric control module 250 or removable electronic control module 250 will be used thereafter without distinction.

Le module d'actionnement 230 comporte de manière connue un actionneur de type électromagnétique comportant plus particulièrement une culasse fixe 201 et une armature mobile 202 apte à se déplacer par rapport à la culasse fixe 201 entre deux positions, une position ouverte et une position fermée. L'actionneur électromagnétique comporte également une bobine d'actionnement qui lorsqu'elle est parcourue par un courant de commande permet de déplacer l'armature mobile 202 de sa position ouverte vers sa position fermée.The actuation module 230 comprises in known manner an electromagnetic type actuator more particularly comprising a fixed yoke 201 and a movable armature 202 able to move relative to the fixed yoke 201 between two positions, an open position and a closed position. The electromagnetic actuator also has an actuating coil which when is traversed by a control current moves the movable armature 202 from its open position to its closed position.

Un ressort de rappel 204 permet de déplacer l'armature mobile 202 de sa position fermée vers sa position ouverte. Selon un mode particulier de réalisation tel que représenté sur les figures 3 et 4, le ressort de rappel 204 agit sur l'armature mobile 202 par l'intermédiaire d'un levier rotatif 205.A return spring 204 moves the movable armature 202 from its closed position to its open position. According to a particular embodiment as represented on the Figures 3 and 4 , the return spring 204 acts on the mobile armature 202 via a rotary lever 205.

Selon un mode de développement préférentiel de l'actionneur représenté sur les figures 5A, 5B, l'armature fixe 201 comporte une section en forme de U comportant deux branches externes et une armature transverse solidarisée à une première extrémité des branches externes. L'actionneur comporte une bobine d'actionnement comportant de préférence deux bobinages de commande 203 reliés électriquement. Les deux bobinages comportent respectivement un axe longitudinal sensiblement confondu avec celui des branches externes de la culasse magnétique en forme de U. En effet, lesdits bobinages de commande 203 sont enroulés sur des carcasses isolantes placées sur les branches externes de la culasse magnétique 201. Les deux bobinages de commande 203 sont préférentiellement identiques.According to a preferred mode of development of the actuator represented on the Figures 5A, 5B , the fixed armature 201 comprises a U-shaped section having two outer branches and a transverse armature secured to a first end of the outer branches. The actuator comprises an actuating coil preferably comprising two control coils 203 electrically connected. The two windings respectively comprise a longitudinal axis substantially coinciding with that of the outer branches of the U-shaped magnetic yoke. In fact, said control windings 203 are wound on insulating carcasses placed on the outer branches of the magnetic yoke 201. two control coils 203 are preferably identical.

Selon un mode de réalisation de l'invention tel que représenté sur les figures 5A et 5B, le ressort de rappel 204 est apte à déplacer un équipage mobile 220 de sa position fermée vers sa position ouverte. Comme représenté sur la figure 5B, l'équipage mobile 220 comprend l'armature mobile 202 de l'actionneur positionnée dans une barquette 211. Le ressort de rappel agit sur un levier multi fonction 215 solidaire de la barquette 211. Ledit levier multi fonction 205 est agencé pour gérer un équilibrage de l'armature mobile 202 afin de permettre une simultanéité de fermeture des 3 pôles puissance tout en réduisant des frottements.According to one embodiment of the invention as represented on the Figures 5A and 5B , the return spring 204 is able to move a moving element 220 from its closed position to its open position. As shown on the Figure 5B , the mobile assembly 220 comprises the mobile armature 202 of the actuator positioned in a tray 211. The return spring acts on a multi-function lever 215 integral with the tray 211. Said multi-function lever 205 is arranged to manage a balancing of the mobile armature 202 to allow simultaneous closure of the 3 power poles while reducing friction.

Comme représenté sur les figures 29A et 29B, le levier multi fonction 205 permet aussi l'entrainement des blocs de contacts auxiliaires et la mise à disposition d'une visu en face avant du dispositif modulaire de commutation électrique 1.As shown on Figures 29A and 29B , the multi-function lever 205 also allows the drive of the auxiliary contact blocks and the provision of a visu front panel of the modular electrical switching device 1.

Comme représenté sur les figures 31A et 31B, le levier multifonction 205 peut être asservi de deux manières. Comme représenté sur la figure 31A, un ressort de torsion 206 est utilisé pour le maintenir dans une position de fonctionnement. Comme représenté sur la figure 31B, un ressort de compression est utilisé pour le maintenir dans une position de fonctionnement.As shown on Figures 31A and 31B , the multifunction lever 205 can be slaved in two ways. As shown on the figure 31A a torsion spring 206 is used to maintain it in an operating position. As shown on the figure 31B a compression spring is used to maintain it in an operating position.

L'actionneur comporte aussi de préférence des plaques polaires 215 fixées sur les branches externes de la culasse magnétique en forme de U. Lesdites plaques permettent d'améliorer le comportement magnétique de l'actionneur.The actuator also preferably comprises polar plates 215 fixed to the outer branches of the U-shaped magnetic yoke. Said plates make it possible to improve the magnetic behavior of the actuator.

L'actionneur peut être de type monostable ou bistable. Dans le cas d'un actionneur bistable, ledit actionneur comporte au moins un aimant permanent placé de préférence entre les 2 plaques polaires 215.The actuator may be of the monostable or bistable type. In the case of a bistable actuator, said actuator comprises at least one permanent magnet preferably placed between the two polar plates 215.

Selon un mode de développement de l'invention non représenté, la culasse magnétique 201 comporte une section en forme de E ayant deux branches externes, au moins une branche centrale, et une armature transverse solidarisée à une première extrémité des branches externes et centrale. L'armature mobile est placée en vis-à-vis des secondes extrémités des branches externes et se déplace en translation. L'armature mobile comporte aussi une section en forme de E comportant deux branches externes, au moins une branche centrale, et une armature transverse solidarisée à une première extrémité des branches externes et centrale. La bobine de commande comportant un axe longitudinal sensiblement confondu avec celui de la branche centrale de la culasse magnétique en forme de E. En effet, ladite bobine de commande comporte un bobinage enroulé sur une carcasse isolante placée sur la branche centrale de la culasse magnétique.According to a development mode of the invention not shown, the magnetic yoke 201 has an E-shaped section having two outer branches, at least one central branch, and a transverse reinforcement secured to a first end of the outer and central branches. The movable armature is placed opposite the second ends of the outer branches and moves in translation. The movable armature also comprises an E-shaped section comprising two outer branches, at least one central branch, and a transverse frame secured to a first end of the outer and central branches. The control coil having a longitudinal axis substantially coincides with that of the central branch of the magnetic yoke E. In fact, said control coil comprises a winding wound on an insulating casing placed on the central branch of the magnetic yoke.

L'actionneur est positionné dans un boitier du module d'actionnement 230. Les bobinages de commande 203 de la bobine d'actionnement comportent des bornes de connexion 207 destinées à venir en contact avec des moyens de connexion adaptatifs du module amovible de commande électrique 250. Comme représenté notamment sur la figure 5B, chaque bobinages de commande 203 comporte deux bornes de connexions 207.The actuator is positioned in a housing of the actuating module 230. The control coils 203 of the actuating coil comprise connection terminals 207 intended to come into contact with the adaptive connection means of the removable electrical control module 250. As represented in particular on the Figure 5B each control winding 203 has two connection terminals 207.

Selon un premier exemple de réalisation telle que représentées sur la figure 28A, les quatre bornes de connexions 207 des deux bobinages de commande 203 sont de préférence alignées. Selon un second exemple de réalisation telle que représentées sur la figure 5B, les quatre bornes de connexions 207 des deux bobinages de commande 203 sont de préférence disposées en diagonale. Ces deux dispositions des bornes 207 permettent notamment de s'adapter à différentes configuration du module amovible de commande électrique 250.According to a first exemplary embodiment as represented on the figure 28A the four connection terminals 207 of the two control coils 203 are preferably aligned. According to a second exemplary embodiment as represented on the Figure 5B the four connection terminals 207 of the two control coils 203 are preferably arranged diagonally. These two provisions of the terminals 207 allow in particular to adapt to different configuration of the removable electrical control module 250.

Selon ce mode préférentiel de réalisation de l'invention, le module amovible de commande électrique 250 comprend des moyens électroniques de commande alimentés par une électronique de commande. Le module amovible de commande électronique 250 est alors destiné à assurer un fonctionnement répétitif et constant de l'actionneur pour une large plage de tension d'alimentation. Ledit module amovible de commande électronique est positionné et fixé sur le boitier du module d'actionnement 230. Au moment de son positionnement sur ledit boitier, les bornes de connexion 207 des bobinages de commande 203 sont automatiquement interconnectées avec les moyens de connexion adaptatifs du module amovible de commande électronique 250. Selon un mode de réalisation préférentiel, les moyens de connexion adaptatifs sont intégrés directement à un circuit imprimé PCB (Printed Circuit Boar) du module amovible de commande électrique 250. Suivant la version des moyens électroniques de commande utilisés et en fonction de la tension de commande du contacteur modulaire, la connexion entre les deux bobinages de commande 203 judicieusement répartis sur les deux branches externes de la culasse magnétique 201 de l'actionneur peut se faire en série ou en parallèle. Les moyens de connexion adaptatifs permettent une connexion en série ou en parallèle des deux bobinages de commande 203 au moment de la connexion du module amovible de commande électrique 250 sur le module d'actionnement 230. Les moyens de connexion adaptatifs permettent ainsi une adaptation plus large au besoin de l'application tout en conservant une bobine d'actionnement commune à toutes les applications.According to this preferred embodiment of the invention, the removable electrical control module 250 comprises electronic control means powered by a control electronics. Removable electronic control module 250 is then intended to ensure a repetitive and constant operation of the actuator for a wide range of supply voltage. Said removable electronic control module is positioned and fixed on the housing of the actuating module 230. At the time of its positioning on said housing, the connection terminals 207 of the control coils 203 are automatically interconnected with the adaptive connection means of the module Removable electronic control device 250. According to a preferred embodiment, the adaptive connection means are integrated directly into a Printed Circuit Boar (PCB) of the removable electrical control module 250. Depending on the version of the electronic control means used and depending on the control voltage of the modular contactor, the connection between the two control coils 203 judiciously distributed on the two outer branches of the magnetic yoke 201 of the actuator can be in series or in parallel. The adaptive connection means allow a series or parallel connection of the two control coils 203 at the time of connection of the removable electrical control module 250 to the actuating module 230. The adaptive connection means thus allow a wider adaptation as needed for the application while maintaining an actuation coil common to all applications.

Selon un premier mode particulier de réalisation des moyens de connexion adaptatifs, le circuit imprimé (PCB) du module amovible de commande électrique 250 comporte des pistes électriques dessinées et configurées afin de connecter les bornes 207 des bobinages de commande 203 en série.According to a first particular embodiment of the adaptive connection means, the printed circuit board (PCB) of the removable electrical control module 250 comprises electrical tracks designed and configured to connect the terminals 207 of the control coils 203 in series.

Selon un second mode particulier de réalisation des moyens de connexion adaptatifs, le circuit imprimé (PCB) du module amovible de commande électrique 250 comporte des pistes électriques dessinées et configurées afin de connecter les bornes 207 des bobinages de commande 203 en parallèle. Les ordres de commande ainsi que l'alimentation des bobinages de commande 203 transitent via ces bornes de connexion 207.According to a second particular embodiment of the adaptive connection means, the printed circuit board (PCB) of the removable electrical control module 250 comprises electrical tracks designed and configured to connect the terminals 207 of the control coils 203 in parallel. The control commands as well as the power supply of the control coils 203 pass through these connection terminals 207.

Ce module amovible de commande électrique 250 peut comporter plusieurs variantes selon l'application visée (notamment selon la tension réseau). Ledit module est de préférence monté en dernier sur un contacteur ou un contacteur équipé d'une protection thermique (starter). Le choix final du module de commande électrique à installer permet ainsi à l'installateur de faire une différenciation retardée. Ce module amovible de commande électrique 250 peut aussi être muni de connexions permettant la communication par exemple avec un ordinateur de gestion de l'installation, un outil de configuration.This removable electric control module 250 may comprise several variants depending on the intended application (in particular according to the network voltage). Said module is preferably mounted last on a contactor or contactor equipped with a thermal protection (choke). The final choice of the electrical control module to install allows the installer to make a delayed differentiation. This removable electrical control module 250 may also be provided with connections allowing communication, for example with a management computer of the installation, a configuration tool.

Le bloc de coupure 100 du contacteur 1 selon l'invention comporte un ou plusieurs pôles électriques. Selon le mode de réalisation représenté sur les figures 1 et 2, le contacteur comporte trois pôles électriques, on parle alors de contacteur tripolaire. Un bloc unitaire de coupure 80 appelé aussi couramment ampoule de coupure est alors associé à chaque pole électrique. Les trois blocs unitaires de coupure 80 sont alors commandés de manière synchronisée par le bloc d'actionnement 200 agissant sur des dispositifs d'actionnement 34 des blocs unitaires de coupure 80.The breaking block 100 of the contactor 1 according to the invention comprises one or more electric poles. According to the embodiment shown on the Figures 1 and 2 , the contactor has three electrical poles, it is called tripolar contactor. A unitary cut-off unit 80, also commonly called cut-off bulb, is then associated with each electrical pole. The three unitary breaking units 80 are then synchronously controlled by the actuating block 200 acting on actuating devices 34 of the unitary clipping units 80.

Selon un mode particulier, les blocs de coupure peuvent être commandés de manière synchronisée et simultanée. Autrement dit, tous les blocs se déplacent alors en même temps.According to a particular mode, the cutoff blocks can be controlled synchronously and simultaneously. In other words, all the blocks move at the same time.

Selon un autre mode particulier, les blocs de coupure peuvent être commandés de manière synchronisée et non-simultanée. Autrement dit, tous les blocs se déplacent grâce à l'action du bloc d'actionnement mais on observe un décalage temporel entre le déplacement de chaque bloc. Ce décalage temporel est reproductible et contrôlé.According to another particular mode, the cutoff blocks can be controlled in a synchronized and non-simultaneous manner. In other words, all the blocks move through the action of the actuating block but there is a time shift between the movement of each block. This time lag is reproducible and controlled.

Tels que représentés sur les figures 12 et 15, les blocs unitaires de coupure 80 selon l'invention comprennent un boitier 31 formé de deux demi-coques 80A. Les deux demi-coques 80A du boitier 31 sont réalisées de préférence en matériau plastique moulé. Des contacts électriques sont disposés à l'intérieur du boîtier 31. Les demi-coques 80A sont assemblées pour former un ensemble de forme sensiblement parallélépipédique se développant selon un plan longitudinal de référence XZ.As represented on the figures 12 and 15 , the unitary cleavage units 80 according to the invention comprise a housing 31 formed of two half-shells 80A. The two half-shells 80A of the housing 31 are preferably made of molded plastic material. Electrical contacts are arranged inside the housing 31. The half-shells 80A are assembled to form an assembly of substantially parallelepiped shape developing along a longitudinal reference plane XZ.

Selon un mode particulier de réalisation, les deux demi-coques 80A constituant le boitier 31 sont de préférence de forme identique. A titre d'exemple, on entend par « forme identique » le fait que les deux demi-coques, réalisées de préférence par moulage, sont issues d'une même empreinte. Cela présente l'avantage industriel de gérer une seule variante de pièce et un investissement unique. Le boitier 31 comporte alors deux faces principales 81 disposées de manière parallèles au plan longitudinal XZ. Ledit boitier comprend en outre deux faces latérales 82, une face supérieure 83 et une face inférieure 84.According to a particular embodiment, the two half-shells 80A constituting the housing 31 are preferably of identical shape. By way of example, the term "identical shape" means that the two half-shells, preferably made by molding, come from the same imprint. This has the industrial advantage of managing a single part variant and a single investment. The housing 31 then has two main faces 81 arranged parallel to the longitudinal plane XZ. Said housing further comprises two lateral faces 82, an upper face 83 and a lower face 84.

Tel que représenté sur les figures 16 et 17, le bloc unitaire de coupure 80 comprend des moyens électriques de coupure 30 composés de deux contacts fixes 32 respectivement reliés à un bornier électrique de raccordement 500 par des plages de raccordement 45. Les deux contacts fixes 32 comportent respectivement une zone de contact électrique 37. Les moyens électriques de coupure 30 sont alors positionnés dans un volume interne du boitier 31, volume interne délimité par les deux demi-coques 80A.As shown on the figures 16 and 17 , the unitary breaking unit 80 comprises electrical breaking means 30 composed of two fixed contacts 32 respectively connected to an electrical terminal block 500 by connection pads 45. The two fixed contacts 32 respectively comprise an electrical contact zone 37. The electrical breaking means 30 are then positioned in an internal volume of the housing 31, internal volume delimited by the two half-shells 80A.

Les moyens électriques de coupure 30 comportent en outre un contact mobile 33 se présentant sous la forme d'un pont comportant un corps allongé suivant un axe longitudinal X. Selon ce mode de réalisation, le pont mobile de contact 33 comprend deux extrémités sur lesquelles sont positionnées deux zones de contact 36 pouvant chacune collaborer respectivement avec une zone de contact 37 d'un contact fixe 32 dans une position de fermeture des moyens de coupure.The electric breaking means 30 further comprise a movable contact 33 in the form of a bridge comprising an elongated body along a longitudinal axis X. According to this embodiment, the movable contact bridge 33 comprises two ends on which are positioned two contact zones 36 each capable of collaborating respectively with a contact zone 37 of a fixed contact 32 in a closed position of the breaking means.

Les termes « contact mobile » ou « pont de contact mobile » seront utilisés indifféremment dans la suite de la description.The terms "moving contact" or "mobile contact bridge" will be used interchangeably in the following description.

Dans cette position de fermeture, un moyen élastique 25, tel que notamment un ressort hélicoïdal, permet d'assurer entre les zones de contact 36 et 37, une pression de contact suffisante pour garantir l'établissement et le passage du courant dans de bonnes conditions. Le moyen élastique 25 est appelé généralement ressort de pôle. Cette pression de contact est aussi prévue pour le passage du courant permanent sans échauffement excessif, ainsi que pour garantir une durabilité électrique suffisante.In this closed position, an elastic means 25, such as in particular a helical spring, ensures between the contact zones 36 and 37, a contact pressure sufficient to ensure the establishment and passage of the current in good conditions . The resilient means 25 is generally referred to as a pole spring. This contact pressure is also provided for the passage of the permanent current without excessive heating, as well as to ensure sufficient electrical durability.

On définit ainsi deux volumes d'ouverture 35 correspondant à l'espace dans lequel sont disposées une zone de contact 37 d'un contact fixe 32 et une zone de contact 36 associée au contact mobile 33. En outre, chaque volume d'ouverture 35 est associé à une chambre d'extinction d'arc. La chambre d'extinction d'arc s'ouvrant sur le volume d'ouverture 35, est délimitée par deux parois parallèles et placées de part et d'autre du plan géométrique longitudinal de référence XZ, une paroi postérieure éloignée du volume d'ouverture 35, une paroi inférieure et une paroi supérieure.Two opening volumes 35 corresponding to the space in which a contact zone 37 of a fixed contact 32 and a contact zone 36 associated with the moving contact 33 are thus defined, are defined. In addition, each opening volume 35 is associated with an arc extinction chamber. The arc extinguishing chamber opening on the opening volume 35 is delimited by two parallel walls and placed on either side of the longitudinal geometric reference plane XZ, a rear wall remote from the opening volume. 35, a bottom wall and an upper wall.

Selon un mode de réalisation de la chambre d'extinction d'arc, ladite chambre peut comporter un empilement d'au moins deux plaques métalliques 40 planes et perpendiculaires au plan géométrique longitudinal de référence XZ. Ces plaques métalliques, appelées ailettes, sont destinées à la désionisation de l'arc. Les plaques métalliques 40 sont réalisées de préférence en matériau ferromagnétique. Lesdites ailettes tendent à exercer sur l'arc un effort d'attraction ferromagnétique. Lesdites ailettes sont de forme sensiblement rectangulaire et comportent un axe longitudinal ainsi qu'un axe médian.According to an embodiment of the arc extinction chamber, said chamber may comprise a stack of at least two metal plates 40 planar and perpendicular to the longitudinal geometric reference plane XZ. These metal plates, called fins, are intended for the deionization of the arc. The metal plates 40 are preferably made of ferromagnetic material. Said fins tend to exert on the arc a ferromagnetic attraction force. Said fins are of substantially rectangular shape and comprise a longitudinal axis and a median axis.

Selon un autre mode particulier de réalisation de la chambre d'extinction d'arc telle que représentée sur la figure 18, ladite chambre est délimitée par deux flasques 68 en matériau ferromagnétique. Les deux flasques latéraux 68 sont parallèles et placés de part et d'autre d'un plan longitudinal médian XZ. Les deux flasques latéraux 68 sont disposés de manière à encadrer une des extrémités du pont mobile 33 sur tout son déplacement entre la position d'ouverture et la position de fermeture. Autrement dit, les deux flasques latéraux 68 sont espacés l'un de l'autre pour autoriser le déplacement du pont mobile de contact 33. Les parois internes desdits flasques 68 comporte une couche de matériau isolant. Le positionnement des couches de matériau isolant sur les flasques 68 permet d'éviter l'accrochage de l'arc sur les parois internes desdits flasques 68. Ces couches sont de préférence en matériau gazogène.According to another particular embodiment of the arc extinction chamber as shown in FIG. figure 18 said chamber is delimited by two flanges 68 of ferromagnetic material. The two lateral flanges 68 are parallel and placed on either side of a median longitudinal plane XZ. The two lateral flanges 68 are arranged to frame one of the ends of the movable bridge 33 over its entire displacement between the open position and the closed position. In other words, the two lateral flanges 68 are spaced apart from one another to allow the moving contact bridge 33 to move. internal walls of said flanges 68 comprises a layer of insulating material. The positioning of the layers of insulating material on the flanges 68 makes it possible to prevent the arc from catching on the inner walls of said flanges 68. These layers are preferably made of gas-generating material.

La chambre d'extinction est délimitée aussi par une paroi postérieure 72 placée perpendiculairement au plan XZ. Ladite paroi postérieure est éloignée du volume d'ouverture 35 pour être positionnée à l'opposé d'un volume d'ouverture des zones de contact 36, 37. La paroi postérieure 72 relie les deux flasques latéraux 68 de façon à former un ensemble métallique sensiblement en forme de U. La paroi postérieure 72 relie les deux flasques sur une partie de leur hauteur.The extinguishing chamber is also delimited by a rear wall 72 placed perpendicular to the XZ plane. Said posterior wall is remote from the opening volume 35 to be positioned opposite an opening volume of the contact zones 36, 37. The rear wall 72 connects the two lateral flanges 68 so as to form a metal assembly substantially U-shaped. The rear wall 72 connects the two flanges on part of their height.

De préférence, les deux flasques latéraux 68 s'étendent selon une direction parallèle au plan longitudinal médian XZ de manière à encadrer entièrement la zone de contact 36 du pont mobile de contact 33. Plus précisément, les deux flasques latéraux 68 s'étendent de manière enfermer complément la zone de contact 36 du pont mobile de contact 33 à l'intérieur de la chambre d'extinction d'arc 24. Autrement dit, le développement des flasques en longueur permet de fermer latéralement chaque volume d'ouverture 35 de manière à canaliser l'échappement de particules ionisées au moment de l'ouverture des contacts électriques.Preferably, the two lateral flanges 68 extend in a direction parallel to the median longitudinal plane XZ so as to completely enclose the contact zone 36 of the movable contact bridge 33. More precisely, the two lateral flanges 68 extend further enclose the contact zone 36 of the movable contact bridge 33 inside the arc extinguishing chamber 24. In other words, the development of the flanges in length makes it possible to close each opening volume 35 laterally so as to channel the escape of ionized particles at the moment of opening of the electrical contacts.

La paroi de chaque chambre d'extinction d'arc 24 peut comporter un déflecteur supérieur métallique 69. Tel que représenté sur la figure 18, ledit déflecteur relie électriquement un contact fixe 32 à une paroi postérieure 72 pour former une partie supérieure de la paroi métallique de ladite chambre d'extinction.The wall of each arc extinguishing chamber 24 may comprise a metal upper baffle 69. As shown in FIG. figure 18 said baffle electrically connects a fixed contact 32 to a rear wall 72 to form an upper portion of the metal wall of said quench chamber.

Selon une variante de réalisation, le pont mobile de contact 33 comporte des cornes d'arc 39 à chacune des deux extrémités. Lesdites cornes d'arc s'étendent au-delà des zones de contact en direction des parois postérieures 72 des chambres d'extinction d'arc. A titre d'exemple de réalisation, les cornes d'arc 39 sont inclinées par rapport à l'axe longitudinal X du pont mobile de contact 33.According to an alternative embodiment, the movable contact bridge 33 comprises arc horns 39 at each of the two ends. Said arc horns extend beyond the contact zones towards the rear walls 72 of the arc extinguishing chambers. As an exemplary embodiment, the arc horns 39 are inclined with respect to the longitudinal axis X of the movable contact bridge 33.

Le boitier 31 du bloc unitaire de coupure 80 est destiné à venir se positionner dans un socle 110 du bloc de coupure 100 du contacteur 1. Le socle 110 comporte une face interne ayant une première empreinte 120 dans laquelle vient se positionner des blocs unitaires de coupure 80. La face inférieure 84 du boitier 31 vient alors se positionner en vis-à-vis dans la première empreinte 120 du socle 110. Les faces principales 81 sont accolées à des cloisons de séparation 111 du socle 110. Les cloisons de séparation 111 positionnées sur les bords externes du socle 110 forment ainsi des parois du dispositif modulaire de commutation électrique 1.The casing 31 of the unitary cut-off block 80 is intended to be positioned in a base 110 of the cut-off block 100 of the contactor 1. The base 110 has an inner face having a first recess 120 in which is positioned unitary cleavage units 80. The lower face 84 of the housing 31 is then positioned vis-a-vis in the first footprint 120 of the base 110. The main faces 81 are contiguous to partition walls 111 of the base 110. The partition walls 111 positioned on the outer edges of the base 110 thus form walls of the modular electrical switching device 1.

Le socle 110 comporte une première empreinte 120 ayant au moins trois compartiments destinés à collaborer respectivement avec un bloc unitaire de coupure 80. Chaque bloc unitaire de coupure 80 coopère avec le socle 110 pour réaliser au moins un canal d'échappement des gaz de coupure permettant une coupure sans bruit ni gaz ionisés à l'extérieur au socle.The base 110 comprises a first cavity 120 having at least three compartments intended to collaborate respectively with a unitary cutoff unit 80. Each unitary cutoff unit 80 cooperates with the base 110 to produce at least one exhaust gas outlet channel allowing a cut without noise or ionized gases outside the base.

Selon un mode particulier de réalisation des blocs unitaire de coupure tels que représentés sur les figures 11 à 13, les deux demi-coques selon l'invention sont destinées à collaborer avec un compartiment de la première empreinte 120 d'un socle 110 d'un dispositif modulaire de commutation électrique 1 afin de délimiter deux canaux d'évacuation des gaz de coupure. Chaque canal d'évacuation est alors relié à un volume interne du boitier 31 par une ouverture 86 réalisée dans une demi-coque 80A. Les demi-coques comportent respectivement une nervure 85 destinée à collaborer avec un compartiment de la première empreinte 120 d'un socle 110 d'un dispositif modulaire de commutation électrique 1 afin de délimiter les canaux d'évacuation des gaz de coupure.According to a particular embodiment of the unitary cutoff blocks as represented on the Figures 11 to 13 , the two half-shells according to the invention are intended to collaborate with a compartment of the first cavity 120 of a base 110 of a modular electrical switching device 1 in order to define two channels for evacuation of the cutoff gases. Each evacuation channel is then connected to an internal volume of the housing 31 by an opening 86 made in a half-shell 80A. The half-shells respectively comprise a rib 85 intended to collaborate with a compartment of the first cavity 120 of a base 110 of a modular electrical switching device 1 in order to define the discharge channels of the cutoff gases.

Selon une première variante de réalisation telle que représentés sur les figures 11 à 13, les nervures 85 des deux demi-coques 80A assemblées forment au niveau d'un plan de contact une nervure inférieure 805 sur la face inférieure 84 du boitier 31. La nervure inférieure 805 se développe selon une direction parallèle au plan longitudinal XZ. Ladite nervure est destinée à collaborer avec la première empreinte 120 d'un socle 110 d'un dispositif modulaire de commutation électrique 1 afin de délimiter deux canaux d'évacuation des gaz de coupure, chaque canal étant relié à un volume interne du boitier par une ouverture 86 réalisée dans une demi-coque 80A. En effet, le boitier 31 du bloc unitaire de coupure 80 est destiné à venir se positionner dans un socle 110 d'un dispositif modulaire de commutation électrique 1. La face inférieure 84 du boitier 31 vient alors se positionner en vis-à-vis d'une première empreinte 120 du socle 110. Plus particulièrement, la nervure inférieure 805 présente sur la face inférieure 84 du boitier 31 délimite avec l'empreinte 120 deux canaux d'évacuation des gaz de coupure. Chaque canal est relié à un volume interne du boitier par une ouverture 86 réalisée dans une demi-coque 80A. Selon un mode particulier, les ouvertures 86 traversent de préférence la face inférieure 84 du boitier 31. Plus précisément, chaque demi-coque 80A comporte respectivement une ouverture 86 débouchante. Afin de réduire de manière efficace les manifestations extérieures des gaz de coupure, un bloc de filtrage percé de trous est placé dans chaque canal d'évacuation. A titre d'exemple de réalisation, une grille 87 est placée au niveau de chacune des ouvertures débouchantes 86 du boitier 31. La nervure inférieure 805 est de préférence saillante par rapport à la face inférieure 84. Selon ce mode particulier, chaque compartiment de la première empreinte 120 du socle 110 comporte une nervure creuse 121. La nervure inférieure 805 saillante du boitier 31 est alors agencée de manière à se placer dans la partie creuse de la première empreinte 120 du socle 110 au moment du positionnement du bloc de coupure 80 dans le dispositif modulaire de commutation électrique 1 pour délimiter deux canaux d'évacuation distincts. La nervure inférieure 805 comporte des tronçons de forme concave et/ou convexe. Ainsi, la face inférieure 84 des blocs unitaires de coupure 80 présente une forme permettant de moduler la section du canal d'évacuation des gaz le long de ce canal de façon à alterner des zones de détente et de compression. Cette alternance de zones de détente et de zones de compression permet de réduire la quantité de manifestation en sortie de canal. Chaque compartiment de la première empreinte 120 est creux de manière à ce que les canaux d'évacuation des gaz de coupure comportent des parois formées par une partie la face inférieure 84 d'un bloc unitaire de coupure 80 et une partie du socle 110 du dispositif modulaire de commutation électrique. Chaque compartiment de la première empreinte 120 comporte sur une face destinée à être placée en vis-à-vis de la face inférieure 84 du boitier 31 du bloc unitaire de coupure 80. Ladite face comporte une zone creuse 121 dans laquelle la nervure inférieur 805 saillante dudit boitier est destinée venir se placer pour délimiter deux canaux d'évacuation distincts. En outre, chaque compartiment de la première empreinte 120 du socle 110 comporte une paroi dans laquelle deux trous 122 d'évacuation des gaz sont aménagés. Chaque trou 122 est relié à un des canaux d'évacuation.According to a first variant embodiment as represented on the Figures 11 to 13 , the ribs 85 of the two half-shells 80A assembled form at a contact plane a lower rib 805 on the lower face 84 of the housing 31. The lower rib 805 develops in a direction parallel to the longitudinal plane XZ. Said rib is intended to collaborate with the first imprint 120 of a base 110 of a modular electrical switching device 1 in order to delimit two discharge gas discharge channels, each channel being connected to an internal volume of the housing by a opening 86 made in a half-shell 80A. Indeed, the case 31 of the unitary block of cutoff 80 is intended to be positioned in a base 110 of a modular electrical switching device 1. The lower face 84 of the housing 31 then comes to position vis-à-vis a first footprint 120 of the base 110. More particularly, the rib lower 805 has on the lower face 84 of the housing 31 delimits with the cavity 120 two discharge channels cutoff gases. Each channel is connected to an internal volume of the housing by an opening 86 made in a half-shell 80A. In a particular embodiment, the openings 86 preferably pass through the lower face 84 of the housing 31. More specifically, each half-shell 80A comprises respectively an opening 86 opening. In order to effectively reduce the external manifestations of the cutoff gases, a filter block pierced with holes is placed in each discharge channel. As an exemplary embodiment, a gate 87 is placed at each of the openings 86 of the housing 31. The lower rib 805 is preferably protruding relative to the lower face 84. According to this particular embodiment, each compartment of the first footprint 120 of the base 110 comprises a hollow rib 121. The lower rib 805 protruding from the housing 31 is then arranged to be placed in the hollow portion of the first footprint 120 of the base 110 at the time of positioning of the cutoff block 80 in the modular electrical switching device 1 to delimit two separate discharge channels. The lower rib 805 comprises sections of concave and / or convex shape. Thus, the lower face 84 of the unitary cleavage units 80 has a shape for modulating the section of the gas evacuation channel along this channel so as to alternate zones of relaxation and compression. This alternation of relaxation zones and compression zones makes it possible to reduce the amount of manifestation at the outlet of the channel. Each compartment of the first cavity 120 is hollow so that the discharge gas discharge channels comprise walls formed by a portion of the lower face 84 of a unitary cutoff unit 80 and a part of the base 110 of the device. Modular electrical switching. Each compartment of the first cavity 120 has on one face intended to be placed opposite the lower face 84 of the housing 31 of the unitary cutoff unit 80. Said face comprises a hollow zone 121 in which the lower rib 805 projecting said case is intended to be placed to delimit two channels separate evacuation. In addition, each compartment of the first cavity 120 of the base 110 has a wall in which two holes 122 for evacuation of gases are arranged. Each hole 122 is connected to one of the evacuation channels.

Selon une seconde variante de réalisation telle que représentés sur les figures 14 et 15, les deux demi-coques comportent respectivement une nervure 85 sur leur face principale 81. Les nervures 85 sont de préférence en retrait par rapport aux faces principales 81. Le boitier 31 comporte deux nervures 85 se développant selon une direction parallèle au plan longitudinal XZ. Lesdites nervures sont destinées à collaborer avec une première empreinte 120 d'un socle 110 d'un dispositif modulaire de commutation électrique 1. Chaque canal est relié à un volume interne du boitier par une ouverture 86 réalisée dans une demi-coque 80A. Selon un mode particulier, les ouvertures 86 traversent de préférence la face inférieure 84 du boitier 31. Plus précisément, chaque demi-coque 80A comporte respectivement une ouverture 86 débouchante.According to a second variant of embodiment as represented on the Figures 14 and 15 , the two half-shells respectively comprise a rib 85 on their main face 81. The ribs 85 are preferably recessed relative to the main faces 81. The housing 31 comprises two ribs 85 developing in a direction parallel to the longitudinal plane XZ. Said ribs are intended to collaborate with a first imprint 120 of a base 110 of a modular electrical switching device 1. Each channel is connected to an internal volume of the housing by an opening 86 made in a half-shell 80A. In a particular embodiment, the openings 86 preferably pass through the lower face 84 of the housing 31. More specifically, each half-shell 80A comprises respectively an opening 86 opening.

Le socle 110 comporte en outre une face externe destinée à collaborer avec châssis ou un rail de fixation de type rail DIN.The base 110 further comprises an outer face intended to collaborate with a chassis or a DIN rail type of fixing rail.

Selon un mode de réalisation, la face externe comporte une seconde empreinte 130 présentant un volume interne délimité par une paroi. Ladite seconde empreinte 130 est ainsi positionnée entre la face externe dudit socle 110 et la première empreinte 120 destinée au positionnement d'un bloc de coupure 80.According to one embodiment, the outer face comprises a second cavity 130 having an internal volume delimited by a wall. Said second cavity 130 is thus positioned between the external face of said base 110 and the first cavity 120 intended for the positioning of a cutoff block 80.

Selon un mode de développement de l'invention, la seconde empreinte 130 comporte des premières ouvertures débouchant respectivement dans des parois principales du contacteur modulaire 1 et des secondes ouvertures de raccordement 132 débouchant à proximité des plages de raccordement 45 du contacteur modulaire 1.According to a development mode of the invention, the second cavity 130 comprises first openings opening respectively in main walls of the modular contactor 1 and second connection openings 132 opening near the connection pads 45 of the modular contactor 1.

A titre d'exemple de réalisation, les premières ouvertures de la seconde empreinte 130 sont réalisées de préférence dans une paroi sécable du socle 110. En fonction de l'utilisation du dispositif modulaire de commutation électrique, la partie sécable est retirée ou n'est pas retirée. Comme représentées sur les figures 1 et 2, selon un premier mode de réalisation, les parties sécables n'ont pas été retirées. Comme représentées sur les figures 21 et 22, les parties sécables des socles 110 ont été retirées sur les deux faces principales du dispositif de commutation afin de laisser un passage pour des conducteurs électriques 301.As an exemplary embodiment, the first openings of the second cavity 130 are preferably made in a breakable wall of the base 110. Depending on the use of the modular electrical switching device, the breakable portion is removed or not not withdrawn. As represented on Figures 1 and 2 according to a first embodiment, the breakable parts have not been withdrawn. As represented on Figures 21 and 22 , the breakable parts of the bases 110 have been removed on the two main faces of the switching device to leave a passage for electrical conductors 301.

Les premières et secondes ouvertures autorisent le passage de conducteurs électriques 301 reliant au moins un pole électrique d'un premier contacteur modulaire 1 à un pole électrique d'un second contacteur modulaire 2 placé contre le premier.The first and second openings allow the passage of electrical conductors 301 connecting at least one electrical pole of a first modular switch 1 to an electrical pole of a second modular switch 2 placed against the first.

Selon un mode de réalisation représenté sur les figures 21 à 25, le volume interne de la seconde empreinte 130 est sensiblement de forme parallélépipédique et présente une face ouverte sur la face externe du contacteur modulaire 1, 2.According to an embodiment shown on the Figures 21 to 25 , the internal volume of the second cavity 130 is substantially of parallelepipedal shape and has an open face on the external face of the modular contactor 1, 2.

Selon un premier mode particulier de réalisation tel que représenté sur les figures 21 à 27, la seconde empreinte 130 comporte au moins un canal ayant un bord comportant au moins une ouverture de raccordement 132 débouchant au niveau d'une plage de raccordement 45 d'un bloc unitaire de coupure 80. Ledit au moins un canal s'étend selon une direction sensiblement perpendiculaire au plan longitudinal XZ et traverse entièrement le socle 110 pour déboucher de part et d'autre dudit socle. A titre d'exemple de réalisation, ledit au moins un canal comporte un volume sensiblement parallélépipédique ayant deux bords sensiblement parallèles.According to a first particular embodiment as represented on the Figures 21 to 27 the second cavity 130 comprises at least one channel having an edge comprising at least one connection opening 132 opening at a connection pad 45 of a unitary breaking block 80. Said at least one channel extends according to a direction substantially perpendicular to the longitudinal plane XZ and completely through the base 110 to open on either side of said base. As an exemplary embodiment, said at least one channel comprises a substantially parallelepipedal volume having two substantially parallel edges.

De préférence, la seconde empreinte 130 comporte deux canaux sensiblement identiques et disposés de manière parallèle l'un à l'autre. Les canaux ont respectivement une forme parallélépipédique. Les volumes internes de chaque canal comprennent alors des premières ouvertures débouchant respectivement dans les parois principales du contacteur modulaire 1, 2 et des secondes ouvertures de raccordement 132 débouchant à proximité des plages de raccordement 45 du contacteur modulaire 1, 2. En outre les deux canaux sont séparés par une cloison. Ladite cloison est destinée à séparer l'amont de l'aval. Ladite cloison peut être destinée à collaborer avec un rail de fixation de type rail DIN. Ainsi, lorsque la seconde empreinte 130 comporte deux canaux, seulement un des deux bords de chaque canal comporte les ouvertures de raccordement 132. Les secondes ouvertures de raccordement 132 d'un premier canal débouchent à proximité des plages de raccordement amont du contacteur modulaire 1, 2 et les secondes ouvertures de raccordement 132 d'un second canal 130 débouchent à proximité des plages de raccordement amont du contacteur modulaire 1, 2.Preferably, the second cavity 130 comprises two substantially identical channels and arranged parallel to one another. The channels have a parallelepipedic shape respectively. The internal volumes of each channel then comprise first openings opening respectively into the main walls of the modular contactor 1, 2 and the second connection openings 132 opening near the connection areas 45 of the modular contactor 1, 2. In addition, the two channels are separated by a partition. Said partition is intended to separate the upstream from the downstream. Said partition may be intended to collaborate with a DIN rail type of fixing rail. Thus, when the second cavity 130 comprises two channels, only one of the two edges of each channel comprises the connection openings 132. The second connection openings 132 of a first channel open in the vicinity of the upstream connection areas of the modular contactor 1, 2 and the second connection openings 132 of a second channel 130 open in the vicinity of the contactor upstream connection pads. modular 1, 2.

Lorsque la seconde empreinte 130 comporte un seul canal de forme parallélépipédique, les ouvertures de raccordement 132 sont disposées dans les deux bords parallèles du canal, chaque bord comportant respectivement les ouvertures de raccordement aptes à être traversée par une des barres d'inversion du jeu de barre d'inversion.When the second cavity 130 comprises a single channel of parallelepipedal shape, the connection openings 132 are arranged in the two parallel edges of the channel, each edge respectively comprising the connection openings capable of being traversed by one of the reversal bars of the set of inversion bar.

Selon un second mode particulier de réalisation non représenté, la seconde empreinte 130 comporte deux fentes taillées respectivement dans les faces latérales du socle 110. Ces fentes débouchent respectivement au niveau des plages de raccordement 45 des blocs unitaires de coupure 80. Chaque fente est destinée recevoir un jeu complet de barre d'inversion 300 comportant une ou plusieurs barres d'inversion 301.According to a second particular embodiment not shown, the second cavity 130 has two slots respectively cut into the lateral faces of the base 110. These slots open respectively at the connection pads 45 of the unitary breaking units 80. Each slot is intended to receive a complete set of inversion bar 300 having one or more inverting bars 301.

Tel que représenté sur la figure 1, le dispositif modulaire de commutation électrique 1 peut comporter en outre un ou plusieurs dispositifs de détection de défaut notamment thermique. Les dispositifs de détection sont reliés au bloc d'actionnement 200 afin de commander l'ouverture des contacts électriques par l'intermédiaire de l'actionneur. Selon un mode de réalisation de l'invention tel que représenté sur la figure 1, le dispositif modulaire de commutation électrique 1 comporte un module amovible de protection thermique 400.As shown on the figure 1 , the modular electrical switching device 1 may further comprise one or more fault detection devices including thermal. The detection devices are connected to the actuator block 200 to control the opening of the electrical contacts via the actuator. According to one embodiment of the invention as represented on the figure 1 , the modular electrical switching device 1 comprises a removable thermal protection module 400.

Comme représenté sur les figures 1 et 2, un module amovible de protection thermique 400 selon l'invention comporte un boitier dans lequel un ou plusieurs capteurs de courant de forme annulaire sont positionnés. Lesdits capteurs sont destinés à être positionnés autour des plages de raccordement 45 des blocs unitaires de coupure 85 du bloc de coupure 100. Les capteurs de courant peuvent être de type Rowgoski. Selon un mode particulier de réalisation représenté sur les figures 1 et 2, le module amovible de protection thermique 400 est adapté à un contacteur modulaire tripolaire et comporte ainsi trois ouvertures 401 autorisant son positionnement par emboitement sur les plages de raccordement 45 des trois blocs de coupure unipolaire 85. Comme représenté sur la figure 2, le module amovible de protection thermique 400 présente la particularité d'être intégré au contacteur modulaire 1 de manière à s'intercaler entre le bloc de coupure 100 et les borniers de raccordement 500.As shown on Figures 1 and 2 , a removable thermal protection module 400 according to the invention comprises a housing in which one or more annular-shaped current sensors are positioned. Said sensors are intended to be positioned around the connection pads 45 of the unitary breaking units 85 of the breaking block 100. The current sensors may be of the Rowgoski type. According to a particular embodiment represented on the Figures 1 and 2 , the removable thermal protection module 400 is adapted to a three-pole modular contactor and thus comprises three openings 401 allowing its positioning by interlocking on the connection pads 45 of the three unipolar breaking blocks 85. As shown in FIG. figure 2 , the removable thermal protection module 400 has the distinction of being integrated in the modular contactor 1 so as to be interposed between the breaking block 100 and the connection terminal blocks 500.

Le module amovible de protection thermique 400 selon l'invention présente la particularité de ne pas posséder des moyens d'alimentation électrique propres. Selon un mode préférentiel de réalisation de l'invention, le module amovible de protection thermique 400 comprend des moyens de communication et d'alimentation électrique 402 destinés à se connecter automatiquement avec le module amovible de commande électrique 250 du bloc d'actionnement 200. Ainsi ces moyens de connexion communication et d'alimentation électrique 402 sont aptes à la fois à alimenter le module amovible de protection thermique 400 ainsi qu'à transmettre les mesures effectuées par les capteurs de courant. Selon ce mode de réalisation de l'invention, le positionnement du module amovible de commande électrique 250 sur le boitier du bloc d'actionnement 200 autorise la connexion et l'alimentation électrique automatique entre les capteurs de courant du module amovible de protection thermique 400 et le module amovible de commande électrique 250.The removable thermal protection module 400 according to the invention has the particularity of not having own power supply means. According to a preferred embodiment of the invention, the removable thermal protection module 400 comprises communication and power supply means 402 intended to automatically connect with the removable electrical control module 250 of the actuating block 200. these communication connection means and power supply 402 are able both to supply the removable thermal protection module 400 and to transmit the measurements made by the current sensors. According to this embodiment of the invention, the positioning of the removable electric control module 250 on the housing of the actuating block 200 allows the connection and the automatic power supply between the current sensors of the removable thermal protection module 400 and the removable electrical control module 250.

Selon un mode préférentiel de réalisation de l'invention, les moyens de fixation rapide du bloc d'actionnement 200 avec bloc de coupure 100 comportent une première partie solidaire de l'armature mobile 202 du bloc d'actionnement 200 et une seconde partie solidaire du bloc de coupure 100.According to a preferred embodiment of the invention, the quick fixing means of the actuating block 200 with cut-off block 100 comprise a first part integral with the movable armature 202 of the actuating block 200 and a second part integral with the cutoff block 100.

Les moyens de fixation rapides comportent au moins un crochet d'attelage 214 destiné à fixer et maintenir le bloc de coupure 100 au bloc d'actionnement 200.The quick fastening means comprise at least one coupling hook 214 for fixing and holding the breaking block 100 to the actuating block 200.

Ledit crochet d'attelage 214 est solidaire de l'armature mobile 202 de l'actionneur électromagnétique et est apte à collaborer avec un dispositif d'actionnement 34 du contact mobile 33 du bloc de coupure 100 pour transmettre le mouvement de l'armature mobile 202 au contact mobile 33.Said coupling hitch 214 is integral with the mobile armature 202 of the electromagnetic actuator and is able to collaborate with an actuating device 34 of the movable contact 33 of the breaking block 100 to transmit the movement of the mobile armature 202. at the mobile contact 33.

Ainsi, selon un mode préférentiel de réalisation de l'invention, le crochet d'attelage 214 est destiné à la fois à fixer le bloc d'actionnement 200 avec le bloc de coupure 100 et à transmettre le mouvement de l'armature mobile 202 de l'actionneur électromagnétique au pont mobile de contact 33 d'un bloc de coupure unitaire 80 du bloc de coupure 100.Thus, according to a preferred embodiment of the invention, the hook coupling 214 is intended both to fix the actuating block 200 with the breaking block 100 and to transmit the movement of the movable armature 202 of the electromagnetic actuator to the movable contact bridge 33 of a block of unitary cutoff 80 of the cutoff block 100.

Le dispositif d'actionnement 34 du contact mobile 33 comporte un porte contact mobile 38 solidaire du contact mobile 33. Ledit porte contact mobile 38 est relié à une tête d'accrochage 51. Selon un mode de réalisation de l'invention, le contact mobile 33 est de préférence monté en coulissement sur le porte contact mobile 38.The actuating device 34 of the movable contact 33 comprises a movable contact holder 38 integral with the movable contact 33. Said movable contact holder 38 is connected to an attachment head 51. According to one embodiment of the invention, the movable contact 33 is preferably slidably mounted on the movable contact carrier 38.

Contrairement aux solutions connues, le porte contact mobile 38 fait partie intégrante du bloc unitaire de coupure 80 et ne fait pas partie de la partie mobile de l'actionneur électromagnétique du bloc d'actionnement 200. Chaque bloc unitaire de coupure comporte alors respectivement un porte contact mobile 38 solidaire du contact mobile 33. Comme représenté sur la figure 2, le bloc de coupure 100 du contacteur modulaire 1 selon l'invention comporte trois blocs unitaires de coupure 80 ayant respectivement un porte contact mobile 38. Chaque bloc unitaire de coupure a alors un fonctionnement autonome par rapport aux autres blocs unitaires.Unlike known solutions, the movable contact holder 38 is an integral part of the unitary breaking unit 80 and does not form part of the moving part of the electromagnetic actuator of the actuating block 200. Each unitary cut-off unit then comprises respectively a door movable contact 38 secured to the movable contact 33. As shown in FIG. figure 2 , the breaking block 100 of the modular contactor 1 according to the invention comprises three unitary breaking units 80 respectively having a movable contact holder 38. Each unitary cutoff unit then has an autonomous operation with respect to the other unit blocks.

Selon un mode de réalisation, le crochet d'attelage 214 comporte une surface interne ayant un premier et un second bord comportant respectivement des surfaces d'appui aptes à transmettre les mouvements de l'armature mobile 202 au contact mobile d'une position fermée vers une position ouverte et inversement.According to one embodiment, the coupling hook 214 comprises an inner surface having a first and a second edge respectively comprising bearing surfaces capable of transmitting the movements of the mobile armature 202 to the moving contact from a closed position towards an open position and vice versa.

Le crochet d'attelage 214 présente de préférence un profil en forme de C ayant deux bords sensiblement parallèles.The coupling hook 214 preferably has a C-shaped profile having two substantially parallel edges.

Un premier bord du crochet d'attelage 214 comporte une fente qui est destinée à recevoir la tête d'accrochage 51 solidaire du porte contact 38. Le premier bord comporte une surface d'appui destinée à transmettre le mouvement de l'armature mobile 202 au porte contact mobile 38 du contact mobile 33 dans une première direction de mouvement, notamment de la position fermée de l'armature mobile 202 vers sa position ouverte. Un second bord comporte une surface d'appui destinée à transmettre le mouvement de l'armature mobile 202 au porte contact mobile 38 du contact mobile 33 dans une seconde direction de mouvement, notamment de la position ouverte de l'armature mobile 202 vers sa position fermée.A first edge of the coupling hook 214 comprises a slot which is intended to receive the attachment head 51 integral with the contact holder 38. The first edge comprises a bearing surface intended to transmit the movement of the mobile armature 202 to the movable contact holder 38 of the movable contact 33 in a first direction of movement, in particular from the closed position of the movable armature 202 towards its open position. A second edge has a bearing surface intended to transmit the movement of the mobile armature 202 to the movable contact holder 38 of the movable contact 33 in a second direction of movement, in particular from the open position of the movable armature 202 towards its closed position.

Selon un mode de développement de l'invention, les moyens de fixation 210 comportent une barquette 211 destinée à être fixées à l'armature mobile 202. Selon un mode particulier de réalisation, la barquette 211 comporte un lamage sur une première face. Une partie de l'armature mobile 202 est destinée venir se positionner par encastrement dans ledit lamage. Les moyens de fixation 210 comportent des clavettes de maintien 212 amovibles traversant les parois du lamage ainsi qu'une partie de l'armature mobile 202. A titre d'exemple de réalisation, la forme du lamage de la barquette 211 est sensiblement rectangulaire pour recevoir la armature transverse solidarisant les branches externes de l'armature mobile en forme de U de l'armature mobile 202. Ladite armature transverse comprend des trous traversant autorisant le passage des clavettes de maintien 212 amovibles lors de la fixation de l'armature mobile 202 avec la barquette 211.According to a development mode of the invention, the attachment means 210 comprise a tray 211 intended to be fixed to the movable armature 202. According to a particular embodiment, the tray 211 comprises a countersink on a first face. Part of the mobile armature 202 is intended to be positioned by recess in said counterbore. Fastening means 210 comprise retaining keys 212 removable through the walls of the counterbore and a portion of the movable armature 202. As an exemplary embodiment, the shape of the countersink of the tray 211 is substantially rectangular to receive the transverse reinforcement solidarisant the external branches of the U-shaped mobile armature of the mobile armature 202. Said transverse armature comprises through holes allowing the passage of the retaining keys 212 removable during attachment of the mobile armature 202 with the tray 211.

Selon un mode particulier de réalisation, la barquette 211 comporte trois crochets d'attelage 214 destinés respectivement à collaborer avec une tête d'accrochage 51 d'un porte contact mobile 38 solidaire contact mobile 33 d'un bloc unitaire de coupure 80. Selon ce mode particulier de réalisation de l'invention, trois blocs unitaires de coupure 80 sont alors commandés de manière synchronisée par le bloc d'actionnement 200 agissant sur les blocs unitaires de coupure. Comme cela a été précisé au-dessus, les blocs unitaires de coupure 80 peuvent être commandés de manière synchronisée et simultanée ou de manière synchronisée et non-simultanée. Chaque bloc unitaire de coupure 80 est relié au bloc d'actionnement 200 et est commandé à l'ouverture des contacts 32, 33 en déplaçant en translation le pont mobile de contact 33 selon une direction perpendiculaire à l'axe longitudinal X. Le pont mobile de contact 33 se déplace entre une position d'ouverture et une position de fermeture des contacts électriques.According to a particular embodiment, the tray 211 comprises three hitching hooks 214 intended respectively to collaborate with a fastening head 51 of a movable contact holder 38 secured to a movable contact 33 of a unitary cut-off block 80. In particular embodiment of the invention, three unitary breaking units 80 are then synchronously controlled by the actuating block 200 acting on the unitary breaking units. As has been stated above, the unitary clipping units 80 can be controlled synchronously and simultaneously or in a synchronized and non-simultaneous manner. Each unit block 80 is connected to the actuating block 200 and is controlled at the opening of the contacts 32, 33 by moving in translation the movable contact bridge 33 in a direction perpendicular to the longitudinal axis X. The movable bridge contact 33 moves between an open position and a closed position of the electrical contacts.

Contrairement aux solutions de l'état de la technique, la coordination à l'ouverture des différents blocs unitaires de coupure 80 est réalisée directement par le bloc d'actionnement 200 et non pas par des moyens supplémentaires tels que notamment par des axes de commande reliant les blocs unitaires de coupure. Ainsi grâce à la solution de l'invention, lorsque le bloc d'actionnement 200 est décroché du bloc de fixation 100, chaque bloc unitaire de coupure 80 peut être directement retiré du socle 110 du bloc de fixation 100. Ce retrait peut être réalisé de manière indépendante de celui des autres blocs unitaires de coupure 80.Unlike the solutions of the state of the art, the coordination at the opening of the different unitary breaking units 80 is carried out directly by the actuating block 200 and not by additional means such as in particular by connecting control axes unit blocks of cutoff. Thus, thanks to the solution of the invention, when the actuating block 200 is unhooked from the fixing block 100, each unitary block of cutoff 80 can be directly removed from the base 110 of the fixing block 100. This withdrawal can be realized from independently from that of the other unitary cleavage units 80.

Le contacteur modulaire 1 selon l'invention comporte alors des moyens de fixation rapides 210 autorisant la fixation du bloc d'actionnement 200 sur le bloc de coupure 100 de manière amovible.The modular contactor 1 according to the invention then comprises quick fixing means 210 allowing the attachment of the actuating block 200 to the breaking block 100 removably.

Selon un mode préférentiel de réalisation, le crochet d'attelage 214 comporte des moyens de rattrapage de jeu aptes à supprimer les jeux nécessaires au montage du bloc d'actionnement 200 sur le bloc de coupure 100. Ces moyens de rattrapage de jeux garantissent ainsi le respect d'une chaine de cotation réduite.According to a preferred embodiment, the towing hook 214 comprises means of catching play capable of eliminating the clearances necessary for mounting the actuating block 200 on the break block 100. These means of catching games thus guarantee the respect for a reduced quotation chain.

Les moyens de rattrapage de jeu comportent une lame élastique 213 sensiblement positionnée de manière parallèle au second bord du crochet d'attelage 214. Ladite lame élastique 213 se comporte tel un amortisseur à lame en se déformant selon la direction Z dès qu'elle entre en contact avec la tête d'accrochage 51 relié à un porte contact mobile 38 solidaire d'un contact mobile 33. Autrement dit, le rattrapage de jeu est réalisé de telle manière qu'il permet d'éviter les déplacements relatifs des différentes pièces lors des manoeuvres électriques ou mécaniques du contacteur modulaire. Les moyens de rattrapage de jeu permettent ainsi d'atteindre des niveaux de durabilité mécanique élevés. Selon une variante de réalisation non représenté, une seule lame élastique de rattrapage de jeu pourrait être utilisée et être alors commune aux trois blocs unitaires de coupure.The game-catching means comprise an elastic blade 213 substantially positioned parallel to the second edge of the coupling hook 214. Said elastic blade 213 behaves like a blade damper by deforming along the Z direction as soon as it enters into position. contact with the attachment head 51 connected to a movable contact holder 38 secured to a movable contact 33. In other words, the clearance is made in such a way that it avoids relative movements of the different parts during the electrical or mechanical maneuvers of the modular contactor. The game-catching means thus make it possible to reach high levels of mechanical durability. According to an alternative embodiment not shown, a single elastic play catch blade could be used and then be common to the three unit blocks of cut.

Selon un mode de réalisation tel que représenté sur la figure 5A, la lame élastique 213 est positionnée dans un logement de la barquette 211. La lame élastique 213 est de préférence métallique et est réalisée par pliage. Ladite lame comporte des ergots de positionnement destinés à se placer à l'intérieur de la barquette 211 afin de limiter tout déplacement de ladite lame.According to an embodiment as shown in the Figure 5A , the elastic blade 213 is positioned in a housing of the tray 211. The elastic blade 213 is preferably metal and is made by folding. Said blade has positioning pins intended to be placed inside the tray 211 to limit any displacement of said blade.

La lame élastique 213 a une double fonction. Elle permet d'une part une récupération du jeu entre barquette 211 et tête d'accrochage 51 et d'autre part une récupération du jeu entre barquette 211 et l'armature mobile 202 de l'actionneur électromagnétique. La forme de vague de la lame élastique 213 a pour effet de localiser tête d'accrochage 51 dans l'axe de l'équipage mobile 220 et de permettre une sensation d'encliquetage ou point dur à l'installateur validant le bon montage des deux parties l'une sur l'autre.The elastic blade 213 has a dual function. It allows on the one hand a recovery of the clearance between tray 211 and attachment head 51 and on the other hand a recovery of clearance between tray 211 and the movable armature 202 of the electromagnetic actuator. The wave shape of the elastic blade 213 has the effect of locating fastening head 51 in the axis of the moving assembly 220 and to allow a snap-in sensation or hard point to the installer validating the proper assembly of the two parts one on the other.

Selon un mode de réalisation de l'invention, tel que représenté sur les figures 4, 5 et 6, chaque pont mobile 33 d'un bloc unitaire de coupure 80 comporte une tête d'accrochage 51 destiné à être relié à un crochet d'attelage 214 d'une barquette 211 d'une armature mobile 202 de l'actionneur électromagnétique. La tête d'accrochage 51 comporte des surfaces d'appui destinées collaborées avec les surfaces d'appui des deux bords du crochet d'attelage 214 en forme de C. Selon un mode particulier de réalisation, la tête d'accrochage vient se positionner entre les deux bords du crochet d'attelage 214. La tête d'accrochage 51 est reliée au porte contact mobile 38 par l'intermédiaire d'un axe de transmission 52. L'axe de transmission 52 vient alors se positionner à l'intérieur de la fente du premier bord du crochet d'attelage 214.According to one embodiment of the invention, as represented on the figures 4 , 5 and 6 each movable bridge 33 of a unitary cutoff unit 80 comprises a coupling head 51 intended to be connected to a coupling hook 214 of a tray 211 of a movable armature 202 of the electromagnetic actuator. The attachment head 51 has support surfaces intended to collaborate with the bearing surfaces of the two edges of the coupling hook 214 in a C-shape. According to one particular embodiment, the attachment head is positioned between the two edges of the coupling hook 214. The attachment head 51 is connected to the movable contact holder 38 via a transmission axis 52. The transmission axis 52 then comes to be positioned inside the the slot of the first edge of the tow hook 214.

Selon un mode préférentiel de réalisation de l'invention, la position de la tête d'accrochage 51 est réglable selon la direction de déplacement du pont mobile de contact 33, autrement dit selon une direction perpendiculaire à l'axe longitudinal X. Ce réglage permet d'optimiser la course d'écrasement de contact entre les zones de contact électrique 37 des deux contacts fixes 32 et les zones de contact 36 du pont mobile de contact 33.According to a preferred embodiment of the invention, the position of the attachment head 51 is adjustable in the direction of movement of the movable contact bridge 33, in other words in a direction perpendicular to the longitudinal axis X. This setting allows to optimize the contact crushing stroke between the electrical contact zones 37 of the two fixed contacts 32 and the contact zones 36 of the movable contact bridge 33.

Le pont mobile de contact 33 de chaque bloc unitaire de coupure 80 se déplace entre une position d'ouverture et une position de fermeture des contacts électriques. Le but est de garantir que pour une course de déplacement donnée, les contacts électriques soient bien dans la position de fermeture. La course de déplacement est fixée par l'actionneur électromagnétique du bloc d'actionnement 200.The movable contact bridge 33 of each unitary breaking block 80 moves between an open position and a closed position of the electrical contacts. The purpose is to ensure that for a given displacement stroke, the electrical contacts are in the closed position. The displacement stroke is fixed by the electromagnetic actuator of the actuating block 200.

En fonction des tolérances de fabrication d'un bloc unitaire de coupure 80, la distance séparant le pont mobile de contact 33 des contacts fixes 32 dans la position d'ouverture des contacts peut varier d'un bloc de coupure unitaire 80 à l'autre.Depending on the manufacturing tolerances of a unitary breaking unit 80, the distance separating the movable contact bridge 33 from the fixed contacts 32 in the open position of the contacts can vary from one unitary breaking block 80 to the other .

Ainsi pour une même course de déplacement de l'actionneur du bloc d'actionnement 200, les positions finales des ponts mobiles de contact 33 peuvent être différentes. Pour un contacteur multipolaire ayant un seul actionneur commandant simultanément plusieurs ponts mobiles de coupure 33, il est possible que tous les ponts mobiles de coupure n'aient pas atteint la même position de fermeture. Autrement dit, à titre d'exemple, un pont mobile de coupure 33 d'un bloc unitaire de coupure 80 peut ne pas être totalement dans une position de fermeture alors que les autres ponts mobiles 33 des autres blocs unitaires de coupure soient déjà dans une position de fermeture.Thus for the same displacement travel of the actuator of the actuating block 200, the final positions of the movable contact bridges 33 may be different. For a multipolar contactor having a single actuator simultaneously controlling several movable breaking bridges 33, it is possible that all movable breaking bridges have not reached the same closed position. In other words, for example, a movable breaking bridge 33 of a unitary cutoff unit 80 may not be totally in a closed position while the other movable bridges 33 of the other unitary clipping units are already in a closed position. closing position.

Un réglage de la course d'écrasement des contacts consiste à garantir la tenue d'une cote mécanique entre la tête d'accrochage 51 et le boitier 31 du bloc unitaire de coupure 80 dans la position de fermeture des contacts. Plus précisément, le réglage de la course d'écrasement des contacts consiste à garantir la tenue d'une cote entre les surfaces d'appui de la tête d'accrochage 51 et une surface de référence du boitier 31 du bloc unitaire de coupure 80. Cette cote sera reproduite pour tous les blocs de coupure unitaire d'un même contacteur modulaire 1 selon l'invention.An adjustment of the crushing stroke of the contacts consists in ensuring the holding of a mechanical dimension between the attachment head 51 and the housing 31 of the unitary cutoff unit 80 in the closed position of the contacts. More precisely, the adjustment of the crushing stroke of the contacts consists in guaranteeing the holding of a dimension between the bearing surfaces of the fastening head 51 and a reference surface of the casing 31 of the unitary cut-off block 80. This dimension will be reproduced for all the unitary breaking blocks of the same modular contactor 1 according to the invention.

Le réglage de la course d'écrasement est réalisé grâce à l'axe de transmission 52 reliant la tête d'accrochage 51 au porte contact mobile 38. Selon un mode de réalisation de l'invention ledit axe de transmission 52 est de longueur variable.The adjustment of the crushing stroke is achieved thanks to the transmission axis 52 connecting the attachment head 51 to the movable contact holder 38. According to one embodiment of the invention, said transmission axis 52 is of variable length.

Selon un mode particulier de l'invention l'axe de transmission 52 comporte une première extrémité fixée à la tête d'accrochage 51 et une seconde extrémité comportant un filetage. Le filetage est destiné collaborer avec un taraudage réalisé dans le porte contact mobile 38 solidaire du pont mobile de contact 33. En vissant plus ou moins l'axe de transmission 52 dans le porte contact mobile 38, la tête d'accrochage 51 se déplace par rapport au boitier 31 du bloc unitaire de coupure 80.According to a particular embodiment of the invention the transmission axis 52 has a first end attached to the attachment head 51 and a second end having a thread. The threading is intended to collaborate with a tapping made in the movable contact holder 38 secured to the movable contact bridge 33. By more or less screwing the transmission axis 52 in the movable contact holder 38, the attachment head 51 moves by relative to the case 31 of the unitary cut-off block 80.

A titre d'exemple de réalisation de la tête d'accrochage 51, cette dernière comporte une empreinte destinée à collaborer avec un outil de réglage (non représenté). L'outil de réglage est destiné à être manipulé par un utilisateur désirant régler la longueur de l'axe de transmission 52. Comme représentée sur les figures 2 et 10A, la tête d'accrochage peut comporter par exemple un profil de type CHc. Comme représentée sur la figure 16, la tête d'accrochage peut comporter par exemple un profil de forme hexagonal.As an exemplary embodiment of the attachment head 51, the latter comprises a fingerprint intended to collaborate with an adjustment tool (not shown). The adjustment tool is intended to be handled by a user wishing to adjust the length of the transmission axis 52. As shown in FIG. figures 2 and 10A , the attachment head may comprise for example a CHc type profile. As represented on the figure 16 , the attachment head may comprise for example a profile of hexagonal shape.

Le procédé de réglage de la course d'écrasement des contacts électriques d'un bloc unitaire de coupure 80 consiste à placer le porte contact mobile 38 dans une position de fermeture des contacts électriques 32, 33. La course d'écrasement des contacts peut être aussi appelée la garde d'usure. Cette opération est généralement réalisée manuellement avant le montage du boiter 31 du bloc unitaire de coupure 80 sur le socle 111 du bloc de coupure 110. L'étape suivante consiste à positionner un gabarit de réglage 600 entre la surface externe du boitier 31 et une surface d'appui de la tête d'accrochage 51. Si la distance entre le boitier et la tête d'accrochage 51 est inférieure à l'épaisseur du gabarit de réglage 600 et n'autorise pas le positionnement dudit gabarit, l'axe de transmission 52 est alors allongé notamment en le dévissant par rapport au boitier 31. Inversement, si la distance entre le boitier 31 et la tête d'accrochage 51 est supérieure à l'épaisseur du gabarit 600 de réglage, l'axe de transmission 52 est alors raccourci notamment en le vissant par rapport au boitier 31. Le réglage de la longueur de l'axe de transmission 52 étant réalisé, le gabarit de réglage 600 peut être retiré.The method for adjusting the crushing stroke of the electrical contacts of a unitary breaking unit 80 consists in placing the movable contact holder 38 in a closed position of the electrical contacts 32, 33. The crush stroke of the contacts can be also called the wear guard. This operation is generally carried out manually before mounting the box 31 of the unitary cut-off block 80 on the base 111 of the cut-off block 110. The next step consists in positioning an adjusting jig 600 between the outer surface of the box 31 and a surface 51. If the distance between the housing and the attachment head 51 is less than the thickness of the adjustment jig 600 and does not allow the positioning of said jig, the transmission axis 52 is then lengthened in particular by unscrewing it relative to the case 31. Conversely, if the distance between the case 31 and the attachment head 51 is greater than the thickness of the adjusting template 600, the transmission axis 52 is then shortened in particular by screwing relative to the housing 31. The adjustment of the length of the transmission shaft 52 being realized, the adjustment template 600 can be removed.

Selon un mode particulier de réalisation du procédé de réglage, comme représenté sur les figures 6A et 6B, la première étape consiste à augmenter au maximum la longueur de l'axe de transmission 52, notamment en le dévissant au maximum. La seconde étape telle que représentée sur les figures 7A et 7B, consiste à positionner le gabarit de réglage 600 entre une surface d'appui de la tête d'accrochage 51 et une surface de référence du boitier 31 du bloc unitaire de coupure 80. Dans une troisième étape, le porte contact mobile 38 est ensuite amené dans une position de fermeture des contacts électriques 32, 33 en vissant l'axe de transmission 52. Comme représenté sur les figures 8A et 8B, la tête d'accrochage 51 finit par être en appui sur le gabarit de réglage 600 et le porte contact mobile 38 est la position de fermeture. Dans une dernière étape représentée sur les figures 9A et 9B, le gabarit de réglage 600 est retiré et le porte contact mobile 38 est positionnée dans une position d'ouverture des contacts 32, 33.According to a particular embodiment of the adjustment method, as represented on the Figures 6A and 6B the first step consists in maximizing the length of the transmission axis 52, in particular by unscrewing it as much as possible. The second stage as represented on the Figures 7A and 7B , consists in positioning the adjusting jig 600 between a bearing surface of the attachment head 51 and a reference surface of the case 31 of the unitary cut-off block 80. In a third step, the movable contact holder 38 is then brought in a closed position of the electrical contacts 32, 33 by screwing the transmission axis 52. As shown in FIGS. Figures 8A and 8B , the attachment head 51 ends up being supported on the adjusting jig 600 and the door movable contact 38 is the closed position. In a last step represented on the Figures 9A and 9B , the adjusting jig 600 is removed and the movable contact holder 38 is positioned in an open position of the contacts 32, 33.

Selon un mode de réalisation de l'invention, la présence d'un axe de transmission 52 de longueur variable sur chaque bloc unitaire de coupure 80 permet aussi de créer un décalage temporel ou une synchronisation dans l'ouverture des contacts mobiles 33 des blocs unitaires de coupure 80 d'un même dispositif modulaire de commutation selon l'invention.According to one embodiment of the invention, the presence of a transmission axis 52 of variable length on each unitary cutoff unit 80 also makes it possible to create a time shift or a synchronization in the opening of the movable contacts 33 of the unitary blocks. 80 of the same modular switching device according to the invention.

Ce décalage temporel dans l'ouverture des pôles électriques d'un dispositif modulaire de commutation permet notamment de réduire l'usure des contacts à l'ouverture d'un produit triphasé, en avançant volontairement l'ouverture d'un pôle par rapport aux deux autres.This time shift in the opening of the electrical poles of a modular switching device makes it possible in particular to reduce the wear of the contacts when opening a three-phase product, by deliberately advancing the opening of a pole with respect to the two other.

En effet, en coupure triphasée on a toujours un pôle électrique qui coupe avant et les deux autres. Les deux autres pôles coupent ensuite un réseau qui est devenu monophasé suite à la première coupure. Le décalage permet de garantir la coupure triphasée toujours sur le même pôle que l'on peut alors synchroniser par rapport au zéro de courant. L'ouverture des deux autres pôles est décalée de façon à réduire au maximum la durée d'arc sur ces deux pôles.Indeed, in three-phase cut you always have an electrical pole that cuts before and the other two. The other two poles then cut a network that became single-phase after the first cut. The offset ensures the three-phase cut always on the same pole that can then be synchronized with respect to zero current. The opening of the other two poles is shifted so as to minimize the arc duration on these two poles.

Ce décalage temporel dans l'ouverture des pôles électriques d'un dispositif modulaire de commutation permet aussi de garantir pour certaines applications tétraphasées une avance ou un retard de l'ouverture du neutre par rapport aux phases.This time shift in the opening of the electrical poles of a modular switching device also makes it possible to guarantee, for certain four-phase applications, an advance or a delay of the opening of the neutral with respect to the phases.

Selon un autre mode de réalisation du procédé de réglage, cette opération peut être réalisée simultanément pour l'ensemble des blocs unitaires de coupure 80 positionnés dans un socle unitaire, bipolaire, tripolaire ou tétrapolaire. Un gabarit associé au nombre de pôles présents est alors utilisé. Dans ce même mode de réalisation, un décalage temporel de l'ouverture d'un ou de plusieurs pôles peut aisément être réalisé par un gabarit intégrant le décalage du pôle devant subir l'avance ou le retardement de fermeture.According to another embodiment of the adjustment method, this operation can be performed simultaneously for all the unitary clipping units 80 positioned in a unitary base, bipolar, three-pole or four-pole. A template associated with the number of poles present is then used. In this same embodiment, a time shift of the opening of one or more poles can easily be achieved by a template incorporating the shift of the pole to undergo the advance or the delay of closure.

Ainsi, grâce aux moyens de fixation rapide, le montage et/ou le démontage du bloc de coupure 100 avec bloc d'actionnement 200 peut être réalisé facilement ce qui facilite par exemple des interventions de maintenance notamment sur le bloc de coupure.Thus, thanks to the quick fastening means, the assembly and / or disassembly of the cutoff block 100 with actuating block 200 can be easily achieved which facilitates for example maintenance operations including the cutoff block.

De plus, les références de positionnement du bloc d'actionnement 200 par rapport aux blocs unitaires de coupure préréglés du bloc de coupure 100 permettent de garantir une tolérance très réduite de la garde d'usure des contacts et cela même en cas de changement des blocs unitaires lors de l'intervention de maintenance. La garde d'usure des contacts est appelée aussi écrasement de contact. Ceci a alors pour effet de garantir une faible tolérance sur l'endurance électrique malgré les tolérances de fabrication de tout produit industriel, et simultanément de permettre un gain de matériau des contacts (à base d'argent) et une consommation plus faible de l'actionneur.In addition, the positioning references of the actuating block 200 with respect to the predetermined cutoff unit blocks of the cut-off block 100 make it possible to guarantee a very low tolerance of the contact wear guard, even if the blocks are changed. units during the maintenance intervention. The wear guard of the contacts is also called contact crush. This then has the effect of ensuring a low tolerance on electrical endurance despite the manufacturing tolerances of any industrial product, and simultaneously to allow a gain of contact material (silver-based) and a lower consumption of the actuator.

Comme représenté sur la figure 2, le contacteur modulaire 1 selon l'invention comporte des borniers de raccordement 500 destinés à être raccordés aux bornes de raccordement 45 du bloc de coupure.As shown on the figure 2 , the modular contactor 1 according to the invention comprises connection terminal blocks 500 intended to be connected to the connection terminals 45 of the breaking block.

Selon un mode particulier de réalisation de l'invention tel que représenté sur les figures 28A à 30B, le dispositif de commutation électrique 1 comporte des blocs additionnels de contacts auxiliaires amovibles 700. Ces blocs présentent la particularité d'être amovible.According to a particular embodiment of the invention as represented on the Figures 28A to 30B , the electrical switching device 1 comprises additional blocks of removable auxiliary contacts 700. These blocks have the particularity of being removable.

Les blocs de contacts auxiliaires amovibles 700 comportent un support contact mobile SCM qui est commandé à l'ouverture soit par l'axe de fonctionnement 216 de l'équipage mobile 220 au travers de la barquette 211 se déplaçant dans un mouvement de translation soit par le levier multifonction 205 se déplaçant dans un mouvement de rotation.The removable auxiliary contact blocks 700 comprise a mobile contact support SCM which is controlled at the opening or by the operating axis 216 of the moving assembly 220 through the tray 211 moving in a translation movement or by the multifunction lever 205 moving in a rotational movement.

Selon un exemple de réalisation tel représentés sur les figues 28A et 28B, les blocs de contacts auxiliaires amovibles 700 sont commandés par un mouvement de translation de l'équipage mobile 202 pour indiquer l'état ouvert ou fermé NO/NC du dispositif de commutation électrique 1. Ledit bloc additif est monté de manière verticale par rapport à la position d'installation.According to an exemplary embodiment as shown in FIGS. 28A and 28B, the removable auxiliary contact blocks 700 are controlled by a translational movement of the moving element 202 to indicate the open or closed state NO / NC of the electrical switching device. 1. Said additive block is mounted vertically with respect to the installation position.

Selon un exemple de réalisation tel représenté sur les figues 29A et 29B, les blocs de contacts auxiliaires amovibles 700 sont commandés par un mouvement de rotation du levier multi fonction 205. Les blocs additifs sont montés de manière frontale par rapport à la position d'installation.According to an exemplary embodiment as shown in Figs 29A and 29B, the removable auxiliary contact blocks 700 are controlled by a rotational movement of the multi-function lever 205. The additive blocks are mounted frontally with respect to the installation position. .

Selon une variante de réalisation telle que représentée sur les figures 30A et 30B, le levier multi fonction 205 peut offrir la possibilité, via une forme particulière type drapeau, d'indiquer l'état d'ouverture du dispositif de commutation électrique 1. Cette visualisation mécanique de la position du dispositif de commutation électrique 1 est réalisable grâce à un débattement angulaire du levier 205 comportant un drapeau 208.According to an embodiment variant as represented on the Figures 30A and 30B , the multi-function lever 205 may offer the possibility, via a particular flag-like shape, of indicating the opening state of the electrical switching device 1. This mechanical visualization of the position of the electrical switching device 1 is possible thanks to an angular displacement of the lever 205 comprising a flag 208.

Comme représenté sur les figures 21 et 22, l'invention est relative à un ensemble de commutation 1000 comportant deux contacteurs modulaires 1, 2 tels que définis ci-dessus. Lesdits contacteurs modulaires 1, 2 de l'ensemble de commutation 1000 sont placés cote à cote de manière à être accolés par une de leurs faces principales. En outre, les deux contacteurs modulaires 1, 2 sont connectés électriquement. L'ensemble de commutation 1000 comporte des conducteurs électriques 301 positionnés respectivement à l'intérieur des secondes empreintes 130 des deux socles 110 des deux contacteurs modulaire 1, 2. Les conducteurs électriques 301 reliant les pôles électriques du premier contacteur modulaire 1 aux pôles électriques du second contacteur modulaire 2 comportent des conducteurs 301 rigides ou semi rigides.As shown on Figures 21 and 22 the invention relates to a switching assembly 1000 comprising two modular contactors 1, 2 as defined above. Said modular contactors 1, 2 of the switching assembly 1000 are placed side by side so as to be contiguous with one of their main faces. In addition, the two modular contactors 1, 2 are electrically connected. The switching assembly 1000 comprises electrical conductors 301 respectively positioned inside the second cavities 130 of the two bases 110 of the two modular contactors 1, 2. The electrical conductors 301 connecting the electrical poles of the first modular contactor 1 to the electrical poles of the second modular contactor 2 comprise 301 rigid or semi rigid conductors.

Selon un mode particulier de réalisation de l'ensemble de connexion, le volume interne de la seconde empreinte 130 est destiné à recevoir des jeux de barres d'inversion 300 aptes à relier deux contacteurs modulaires 1, 2 selon un mode inverseur tel que représenté sur les figures 21 et 22. Comme représenté sur la figure 22, les deux contacteurs 1, 2 reliés jeu par le jeu de barres d'inversion 300 sont des contacteurs de type tripolaires. Le jeu de barres 300 comporte alors six barres d'inversion 301 reliant respectivement deux plages de raccordement 45 de deux contacteurs. Tel que représenté sur les figures 21 à 27, les conducteurs électriques 301 de l'ensemble de commutation 1000 sont disposés en deux groupes 300 comprenant respectivement trois de barres d'inversion 301. Avantageusement, les conducteurs électriques 301 d'un même groupe 300 sont maintenus solidaires par une pince 302.According to a particular embodiment of the connection assembly, the internal volume of the second cavity 130 is intended to receive sets of inversion bars 300 capable of connecting two modular contactors 1, 2 in an inverter mode as shown in FIG. the Figures 21 and 22 . As shown on the figure 22 the two contactors 1, 2 connected by the inversion busbar 300 are three-pole contactors. The busbar 300 then comprises six inverting bars 301 respectively connecting two connection pads 45 of two contactors. As shown on the Figures 21 to 27 , the electrical conductors 301 of the switching assembly 1000 are arranged in two groups 300 respectively comprising three inversion bars 301. Advantageously, the electrical conductors 301 of the same group 300 are held together by a clamp 302.

Chaque ouverture de raccordement 132 d'une seconde empreinte 130 débouchant au niveau d'une plage de raccordement 45 d'un bloc unitaire de coupure 80 est alors traversée par une des barres d'inversion 301 du jeu de barre d'inversion 300. Ainsi chaque ouverture de raccordement 132 permet le passage et le positionnement d'une barre d'inversion à coté d'une plage de raccordement 45 de manière à ce que le contact électrique entre la plage et la barre puisse avoir lieu. Selon ce premier mode particulier de réalisation, comme représenté sur les figures 23 à 25, la mise en place des barres d'inversion 301 du jeu de barre d'inversion 300 se fait par la face externe du socle 110. Après avoir glissé les extrémités des barres d'inversion 301 dans les ouvertures de raccordement 132, le jeu de barre 300 subit une légère rotation pour venir se positionner à l'intérieur de la seconde empreinte 130.Each connection opening 132 of a second cavity 130 opening at a connection pad 45 of a unitary cut-off unit 80 is then traversed by one of the inversion bars 301 of the inversion bar set 300. Thus, each connection opening 132 allows the passage and positioning of an inversion bar next to a connection pad 45 so that the electrical contact between the pad and the bar can take place. According to this first particular embodiment, as represented on the Figures 23 to 25 , the introduction of the reversal bars 301 of the reversing bar set 300 is done by the outer face of the base 110. After sliding the ends of the inverting bars 301 in the connection openings 132, the set of 300 bar undergoes a slight rotation to be positioned inside the second footprint 130.

Selon un second mode particulier de réalisation non représenté, la mise en place des barres d'inversion 301 du jeu de barre d'inversion 300 se fait directement par la face latérale du socle 110. Le jeu de barres d'inversion 300 est positionné dans la fente de la seconde empreinte 130 en le glissant dans cette dernière. Les extrémités des barres d'inversion 301 se trouvent alors directement accoler aux plages de raccordement 45.According to a second particular embodiment not shown, the introduction of inversion bars 301 of the inversion bar set 300 is done directly by the lateral face of the base 110. The inversion busbar 300 is positioned in the slot of the second impression 130 by sliding in the latter. The ends of the inverting bars 301 are then directly attached to the connection pads 45.

Ce mode inverseur tripolaire est particulièrement adapté à la commande de moteurs électriques. Selon un mode de réalisation de l'invention, une plage de raccordement amont 45 du premier pole électrique du premier contacteur modulaire 1 est reliée une plage de raccordement amont 45 du premier pole électrique du second contacteur modulaire 2. En outre, une plage de raccordement aval 45 du premier pole électrique du premier contacteur modulaire 1 est reliée une plage de raccordement aval 45 du troisième pole électrique du second contacteur modulaire 2. Une plage de raccordement amont 45 du second pole électrique du premier contacteur modulaire 1 est reliée une plage de raccordement amont 45 du second pole électrique du second contacteur modulaire 2. Une plage de raccordement aval 45 du second pole électrique du premier contacteur modulaire 1 est reliée une plage de raccordement aval 45 du second pole électrique du second contacteur modulaire 2. Une plage de raccordement amont 45 du troisième pole électrique du premier contacteur modulaire 1 est reliée la plage de raccordement amont 45 du troisième pole électrique du second contacteur modulaire 2. Enfin, une plage de raccordement aval 45 du troisième pole électrique du premier contacteur modulaire 1 est reliée la plage de raccordement aval 45 du premier pole électrique du second contacteur modulaire 2.This 3-pole inverter mode is particularly suitable for controlling electric motors. According to one embodiment of the invention, an upstream connection pad 45 of the first electrical pole of the first modular switch 1 is connected to an upstream connection pad 45 of the first electrical pole of the second modular switch 2. In addition, a connection pad downstream 45 of the first electrical pole of the first modular contactor 1 is connected a downstream connection pad 45 of the third electrical pole of the second modular switch 2. An upstream connection pad 45 of the second electrical pole of the first modular switch 1 is connected to a connection pad upstream 45 of the second electrical pole of the second modular contactor 2. A downstream connection area 45 of the second electrical pole of the first modular contactor 1 is connected to a downstream connection pad 45 of the second electrical pole of the second modular switch 2. An upstream connection pad 45 of the third electric pole of the first modular switch 1 is connected to the upstream connection pad 45 of the third electrical pole of the second modular contactor 2. Finally, a downstream connection area 45 of the third electrical pole of the first modular contactor 1 is connected to the downstream connection area 45 of the first electrical pole of the second modular contactor 2.

En outre, ce mode peut être appliqué à des contacteurs tétrapolaires (non représentés) destinés à l'inversion de sources électriques de puissance.In addition, this mode can be applied to four-pole contactors (not shown) for reversing electric power sources.

Ainsi selon le mode de connexion en mode inverseur de deux contacteurs modulaire selon l'invention, les deux jeux de barres 300 sont placés à l'intérieur des contacteurs. Cette configuration innovante permet de ne pas augmenter le volume total de l'installation électrique. Ceci présente un avantage important par rapport aux solutions de l'état de la technique où l'installation des jeux de barre à l'extérieur (figure 19) entraine des problèmes au moment du câblage des contacteurs dans les armoires électriques. En effet, la place à l'intérieur de ces armoires électriques est toujours limitée.Thus, according to the mode of connection in the inverter mode of two modular contactors according to the invention, the two busbars 300 are placed inside the contactors. This innovative configuration makes it possible not to increase the total volume of the electrical installation. This presents an important advantage over the solutions of the state of the art where the installation of the bar sets on the outside ( figure 19 ) causes problems when wiring the contactors in the control cabinets. Indeed, the place inside these electrical cabinets is always limited.

En outre, cette configuration des jeux de barres inverseur à l'intérieur des contacteurs modulaires 1, 2 selon l'invention permet aussi d'intégrer un module amovible de mesure et de protection thermique 400 à l'un des deux contacteurs modulaires 1, 2 comme cela est représenté sur les figures 21 et 22.In addition, this configuration of the inverter busbars inside the modular contactors 1, 2 according to the invention also makes it possible to integrate a removable measuring and thermal protection module 400 with one of the two modular contactors 1, 2 as shown on the Figures 21 and 22 .

Cette intégration d'un module amovible de protection thermique 400 sur l'un des deux contacteurs 1, 2 est impossible avec un câblage connu tel que représenté sur la figure 19. En effet, si un utilisateur tente de transformer le câblage de deux contacteurs placés dans un mode de type inverseur tel que représenté sur la figure 19 en intégrant la protection thermique (relais thermique) sur l'un des deux contacteurs alors, tel que représenté sur la figure 20, on obtient un câblage non fonctionnel. En effet, selon ce mode non satisfaisant de réalisation, lorsque le moteur est alimenté par le contacteur numéro 2, le relais thermique n'est plus sur le passage courant et ne peut donc pas indiquer l'état thermique du moteur.This integration of a removable thermal protection module 400 on one of the two contactors 1, 2 is impossible with known wiring as shown in FIG. figure 19 . Indeed, if a user tries to transform the wiring of two contactors placed in an inverter type mode as represented on the figure 19 by integrating the thermal protection (thermal relay) on one of the two contactors then, as represented on the figure 20 a non-functional wiring is obtained. Indeed, according to this unsatisfactory embodiment, when the motor is powered by the contactor number 2, the thermal relay is no longer on the current passage and therefore can not indicate the thermal state of the engine.

Comme représenté sur les figures 21 et 22, un des contacteurs modulaire 2 de l'ensemble de commutation 1000 ne comporte pas de module amovible de protection thermique 400. Ledit contacteur modulaire 2 comporte un bloc d'actionnement 200 associé à un bloc de coupure 100 non équipé d'un module amovible de protection thermique 400.As shown on Figures 21 and 22 , one of the modular contactors 2 of the switching assembly 1000 does not include a removable thermal protection module 400. Said modular contactor 2 comprises an actuating block 200 associated with a cutoff block 100 not equipped with a removable module of thermal protection 400.

L'invention est particulièrement destinée aux appareils interrupteurs multipolaires de type contacteur ou starter à commande électronique. L'architecture à structure modulaire simplifiée de ces appareils permet d'accepter un ou plusieurs blocs de coupure, ainsi qu'une protection thermique amovible dans le volume du dispositif. Cette architecture permet une maintenance aisée et différenciée des divers éléments modulaires, qu'ils soient électriques, électroniques ou électromécaniques.The invention is particularly intended for multipole switchgear devices of the electronically controlled contactor or choke type. The simplified modular structure architecture of these devices makes it possible to accept one or more cutoff blocks, as well as removable thermal protection in the volume of the device. This architecture allows easy and differentiated maintenance of the various modular elements, whether electrical, electronic or electromechanical.

Claims (12)

  1. Method for setting the compression travel of the electrical contacts (32, 33) of a unitary switching block (80) intended to be incorporated in a switching block (100), said unitary switching block comprising, inside a casing (31), a fixed contact (32) and a mobile contact (33) slidingly mounted on a mobile contact-holder (38) so as to be driven in movement by the latter, said mobile contact-holder being linked to an attachment head (51) intended to collaborate with a coupling hook (214) of an actuation block (200) linked to the switching block (100);
    characterized in that it comprises the following steps:
    - placing the mobile contact-holder (38) in a position such that the mobile contact (33) is just in contact with the fixed contact (32);
    - positioning a setting template (600) between a reference outer surface of the casing (31) and a bearing surface of the attachment head (51);
    - setting a length of a transmission axis (52) linking the attachment head (51) to the mobile contact-holder (38) by:
    - lengthening the transmission axis (52) if the distance between the reference outer surface of the casing (31) and the attachment head (51) is less than the thickness of the setting template (600);
    - shortening the transmission axis (52) if the distance between the reference outer surface of the casing (31) and the attachment head (51) is greater than the thickness of the setting template (600);
    - removing the setting template (600).
  2. Setting method according to Claim 1, characterized in that it comprises the following steps:
    - increasing to the maximum the length of the transmission axis (52);
    - positioning a setting template (600) between a reference outer surface of the casing (31) and a bearing surface of the attachment head (51);
    - bringing the mobile contact-holder (38) into a position of closure of the electrical contacts (32, 33) by shortening the transmission axis (52); the attachment head (51) finishing by bearing on the setting template (600) and the mobile contact-holder (38) in closure position;
    - removing the setting template (600); the mobile contact-holder (38) being positioned in a position of opening of the contacts (32, 33).
  3. Setting method according to Claim 1 or 2, characterized in that the lengthening of the transmission axis (52) is performed by unscrewing said axis relative to the casing (31).
  4. Setting method according to one of Claims 1 to 3, characterized in that the shortening of the transmission axis (52) is performed by screwing said axis relative to the casing (31).
  5. Unitary switching block (80) of a switching block (100) of a modular electrical switching device (1, 2) for the implementation of the method according to any one of the preceding claims, said unitary block comprising:
    - a casing (31) forming an assembly of substantially parallelepipedal form developing in a longitudinal plane (XZ);
    - electrical switching means (30) comprising:
    - two fixed contacts (32) respectively linked to an electrical connection land (45);
    - a mobile contact (33) comprising a bridge having an elongate body along a longitudinal axis (X) and having two ends that can each collaborate with a fixed contact (32); said mobile contact (33) being translationally displaced along a direction of displacement (Z) at right angles to the longitudinal axis (X),
    - an actuation device (34) for the mobile contact (33) comprising a mobile contact-holder (38) linked to an attachment head (51); the mobile contact (33) being slidingly mounted on the mobile contact-holder (38);
    characterized in that the attachment head (51) is mobile relative to the mobile contact-holder (38), the attachment head (51) being able to be displaced in a direction at right angles (Z) to the longitudinal axis (X).
  6. Unitary switching block according to the preceding claim, characterized in that the attachment head (51) is linked to the mobile contact-holder (38) by a transmission axis (52) of variable length, said transmission axis (52) comprising a first end fixed to the attachment head (51) and a second end comprising a threading intended to collaborate with a tapping produced in the mobile contact-holder (38).
  7. Modular electrical switching device (1, 2) comprising a switching block (100) associated with an actuation block (200),
    - the switching block (100) comprising at least one unitary switching block (80) according to Claims 5 and 6;
    - the actuation block (200) of the unitary switching blocks (80) comprising an actuator of electromagnetic type having a mobile keeper (202) suitable for being displaced between an open position and a closed position of the electrical contacts (32, 33);
    - means allowing the actuation block (200) to be fixed onto the switching block (100),
    characterized in that it comprises rapid fixing means allowing a removable fixing of the actuation block (200) onto the switching block (100) and comprising at least one coupling hook (214) intended:
    - to fix and secure the switching block (100) to the actuation block (200),
    - to collaborate with an actuation device (34) of a mobile contact (33) of the unitary switching block (80) to transmit the movement of the electromagnetic actuator to said mobile contact (33),
    said coupling hook (214) being secured to the mobile keeper (202) of the electromagnetic actuator.
  8. Modular electrical switching device according to Claim 7, characterized in that the coupling hook (214) comprises an edge having a bearing surface suitable for collaborating with the attachment head (51) of a unitary switching block (80) to transmit the movements of the mobile keeper (202) to the mobile contact (33) from the closed position to the open position and vice versa.
  9. Modular electrical switching device according to Claim 8, characterized in that the coupling hook (214) comprises:
    - a first edge having a slot which is intended to receive the attachment head (51), said first edge comprising a bearing surface intended to transmit the movement of the mobile keeper (202) to the mobile contact-holder (38) of the mobile contact (33) in a first direction of movement from the closed position to its open position
    - a second edge having a bearing surface intended to transmit the movement of the mobile keeper (202) to the mobile contact-holder (38) of the mobile contact (33) in a second direction of movement, from the open position to its closed position.
  10. Modular electrical switching device according to either of Claims 8 and 9, characterized in that the coupling hook (214) comprises play take-up means comprising an elastic blade (213) positioned substantially parallel to the second edge of the coupling hook (214), said elastic blade (213) behaving like a blade damper by being deformed in the direction of displacement (Z) as soon as it enters into contact with the attachment head (51) of a snug (50) secured to a mobile contact (33).
  11. Modular electrical switching device according to any one of Claims 7 to 10, characterized in that it comprises three unitary switching blocks (80), the actuation devices (34) of said blocks being respectively controlled in a synchronized and simultaneous manner by the actuation block (200), to control the opening of the electrical contacts (32, 33) by displacing the mobile contacts (33).
  12. Modular electrical switching device according to any one of Claims 7 to 10, characterized in that it comprises three unitary switching blocks (80), the actuation devices (34) of said blocks being respectively controlled in a synchronized and non-simultaneous manner by the actuation block (200), to control the opening of the electrical contacts (32, 33) by displacing the mobile contacts (33).
EP13815026.3A 2012-12-18 2013-10-28 Method for adjusting the compression course of electrical contacts in a cut-off block, block for implementing this method, and switching device comprising such a block Active EP2936526B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1262257A FR2999778B1 (en) 2012-12-18 2012-12-18 METHOD OF ADJUSTING THE STROKE STROKE OF THE ELECTRICAL CONTACTS OF A BLOCK, A BLOCK FOR CARRYING OUT SAID METHOD, AND A SWITCHING DEVICE COMPRISING SUCH A BLOCK.
PCT/FR2013/052564 WO2014096582A1 (en) 2012-12-18 2013-10-28 Method for adjusting the compression course of electrical contacts in a cut-off block, block for implementing this method, and switching device comprising such a block

Publications (2)

Publication Number Publication Date
EP2936526A1 EP2936526A1 (en) 2015-10-28
EP2936526B1 true EP2936526B1 (en) 2017-02-01

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EP13815026.3A Active EP2936526B1 (en) 2012-12-18 2013-10-28 Method for adjusting the compression course of electrical contacts in a cut-off block, block for implementing this method, and switching device comprising such a block

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EP (1) EP2936526B1 (en)
JP (1) JP6301361B2 (en)
FR (1) FR2999778B1 (en)
WO (1) WO2014096582A1 (en)

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Publication number Priority date Publication date Assignee Title
FR3066642B1 (en) * 2017-05-17 2020-09-04 Schneider Electric Ind Sas REMOVABLE ELEMENT FOR CUTTING AN ELECTRIC CURRENT AND ELECTRICAL CUTTING DEVICE FOR AN ELECTRIC CURRENT INCLUDING SUCH A REMOVABLE CUTTING ELEMENT
FR3088477B1 (en) * 2018-11-08 2020-12-04 Schneider Electric Ind Sas ELECTRIC CURRENT CUTTING DEVICE
CN109616345A (en) * 2018-12-31 2019-04-12 雷顿电气科技有限公司 The pedestal general assembly of electric switch
JP7380608B2 (en) * 2021-01-22 2023-11-15 富士電機機器制御株式会社 Sealed magnetic contactor

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FR1386460A (en) * 1963-12-12 1965-01-22 Cem Comp Electro Mec Device for adjusting contacts of electrical contactors
US4684772A (en) * 1985-04-09 1987-08-04 Square D Company Mounting apparatus for arc quenching plates for electric contacts
IT1267414B1 (en) * 1994-03-15 1997-02-05 Vimercati Spa SELF-ADAPTIVE PUSH BUTTON SWITCH.
US5680084A (en) * 1994-11-28 1997-10-21 Matsushita Electric Works, Ltd. Sealed contact device and operating mechanism
JP3024497B2 (en) * 1994-11-28 2000-03-21 松下電工株式会社 Sealed contact device
JP2007305467A (en) * 2006-05-12 2007-11-22 Omron Corp Electromagnetic relay, its adjustment method, and adjustment system

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Publication number Publication date
JP2016506599A (en) 2016-03-03
FR2999778B1 (en) 2015-01-02
FR2999778A1 (en) 2014-06-20
JP6301361B2 (en) 2018-03-28
EP2936526A1 (en) 2015-10-28
WO2014096582A1 (en) 2014-06-26

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