EP2602806A1 - Electrical switching system including an electrical switching module comprising two elements for coupling a contact carrier with the device for driving same - Google Patents

Electrical switching system including an electrical switching module comprising two elements for coupling a contact carrier with the device for driving same Download PDF

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Publication number
EP2602806A1
EP2602806A1 EP12195720.3A EP12195720A EP2602806A1 EP 2602806 A1 EP2602806 A1 EP 2602806A1 EP 12195720 A EP12195720 A EP 12195720A EP 2602806 A1 EP2602806 A1 EP 2602806A1
Authority
EP
European Patent Office
Prior art keywords
electrical
holding member
switches
contact
coupling element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP12195720.3A
Other languages
English (en)
French (fr)
Other versions
EP2602806B1 (de
Inventor
Patrick Larcher
Michel Lauraire
Patrick Comtois
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR1161211A external-priority patent/FR2983632B1/fr
Priority claimed from FR1161214A external-priority patent/FR2983633B1/fr
Priority claimed from FR1161210A external-priority patent/FR2983630B1/fr
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP2602806A1 publication Critical patent/EP2602806A1/de
Application granted granted Critical
Publication of EP2602806B1 publication Critical patent/EP2602806B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • 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
    • H01H51/00—Electromagnetic relays
    • H01H51/005—Inversing contactors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches
    • H01H11/0018—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different operating parts
    • H01H2011/0025—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches for allowing different operating parts with provisions for allowing different orientation of the operating part, e.g. turning knob can be mounted in different positions
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/643—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rotating or pivoting movement

Definitions

  • the present invention relates to an electrical switching system comprising first, second and third input terminals, first, second and third output terminals, an electrical switching module and a control module of the switching module. .
  • the electrical switching module comprises two first switches and two second switches, each electrical switch being adapted to switch between an open position and a closed position and comprising a fixed input contact, a fixed output contact and a movable contact, the contacts being electrically conductive, the two fixed contacts being adapted to be electrically connected via the movable contact in the closed position of the electrical switch and electrically isolated from each other in the open position of the electrical switch, and a holding member movable contacts, the holding member being adapted to be moved by an electrical drive device between a first position corresponding to one of the open and closed positions of the switch and a second position corresponding to the other position among the open and closed positions of the switch, so as to ensure simultaneous switching of the electrical switches, the holding member having a first mechanical coupling element with the electric drive device in a primary configuration of the drive device with respect to the switching module.
  • the first and second input terminals are each electrically connected to a fixed input contact of a respective first electrical switch and to a fixed input contact of a respective second electrical switch
  • the first and second output terminals are each electrically connected to a fixed output contact of a respective first electrical switch and to a fixed output contact of a respective second electrical switch, so as to connect the first input terminal to the first output terminal and the second input terminal to the second output terminal in the closed position of the first switches, and to connect the first input terminal to the second output terminal and the second input terminal to the first output terminal in the closed position of the first second switches, the third output terminal being electrically connected to the third input terminal.
  • Each input terminal is connected to a fixed input contact of a respective first switch and to a fixed input contact of a respective second switch, and each output terminal is connected to a fixed output contact of a first switch and a fixed output contact of a second switch, so as to connect the first input terminal to the first output terminal, the second input terminal to the second output terminal and the third terminal to input to the third output terminal in the closed position of the first switches, and to connect the first input terminal to the second output terminal, the second input terminal to the first output terminal and the third input terminal at the third output terminal in the closed position of the second switches.
  • the switching module comprises a movable contact holding member, also called contact holder, on which are arranged the movable contacts of the first and second electrical switches.
  • the control module comprises the electrical drive device capable of moving the contact carrier between a first position in which the first switches are closed and the second switches are open and a second position in which the first switches are open and the second switches are closed.
  • the object of the invention is therefore to propose an electrical switching system making it possible to propose several possible configurations of the switching module with respect to its control module, while minimizing the manipulations necessary to switch from one configuration to another.
  • the subject of the invention is an electrical switching system of the aforementioned type, in which the holding member comprises a second mechanical coupling element with the electrical drive device in a secondary configuration of the drive device.
  • the control module comprises the electric drive device
  • the holding member is mechanically coupled to the drive device via the first coupling element according to the primary configuration of the control module with respect to the switching module or via the second coupling element according to the secondary configuration of the control module with respect to the switching module.
  • an electrical switching system 10 comprises a first 12A, a second 12B and a third 12C input terminals, and a first 14A, a second 14B and a third output terminal 14C.
  • the electrical switching system 10 comprises an electrical switching module 16, a control module 18 of the electrical switching module and a protective cover 20.
  • the electrical switching system 10 is a modular system and has different configurations of the control module 18 relative to the switching module 16, as illustrated in FIGS. Figures 1 to 4 .
  • first A1 and a second A2 configurations also called transversal configurations, respectively visible on the Figures 1 and 2
  • the switching module 16 and the control module 18 are stacked along a vertical axis Z extending from bottom to top.
  • first configuration A1 also called primary transversal configuration
  • the switching module 16 is disposed above the control module 18 ( figure 1 ), in a conventional configuration for rail mounting.
  • second configuration A2 also called the secondary transverse configuration
  • the switching module 16 is disposed below the control module 18 (FIG. figure 2 ), in a conventional configuration for circuit board mounting.
  • a third A3 and a fourth A4 configurations also called axial configurations, respectively visible on the Figures 3 and 4
  • the switching module 16 and the control module 18 are arranged next to each other along a longitudinal axis X extending from the rear towards the front.
  • the switching module 16 is behind the switching module 18 ( figure 3 ).
  • the switching module 16 is in front of the switching module 18 ( figure 4 ).
  • the switching system 10 is adapted to be fixed on a rail according to DIN 46277, also called a DIN rail according to a first configuration of the input and output terminals shown in FIGS. figures 1 and 7 .
  • the switching system 10 is adapted to be connected to a printed circuit board, also called PCB (of the English Printed Circuit Board ), according to a second configuration of the input and output terminals represented on the figures 2 and 9 .
  • the switching system 10 is adapted to allow the passage of a large intensity electrical current, in particular greater than 10 A.
  • the switching system 10 is, for example, a three-phase inverter adapted to be connected between an electric motor and a motor. engine power system, not shown, in order to allow the crossing of two phases of a three-phase power supply of the electric motor, to reverse the direction of rotation of the electric motor.
  • the input terminals 12A, 12B, 12C and the output terminals 14A, 14B, 14C, visible on the figures 5 , 7 and 9 each comprise a fixing plate 22 for connecting an electric cable, not shown, by means of a screw / nut assembly 23 ( figure 12 ), and a pin 24 for connection to a printed circuit, the pin 24 being intended to be soldered to the printed circuit board 26 visible on the figure 8 .
  • the mounting plate 22 has a hole 28 for passage of the screw shaft of a screw / nut assembly.
  • the connection pin 24 is integral with the fixing plate 22.
  • the switching module 16 comprises three first electrical switches 30 and three second electric switches 32, each electrical switch 30, 32 being able to switch between an open position and a closed position.
  • Each first switch 30, visible on the figures 5 and 7 comprises a first input contact 34A, a first output contact 34B and a first movable contact 36, the contacts 34A, 34B, 36 being electrically conductive.
  • the first fixed contacts 34A, 34B are adapted to be electrically connected via the first movable contact 36 in the closed position of the corresponding first electrical switch 30 and electrically isolated from each other in the open position of the first switch 30.
  • Each second electrical switch 32 comprises a second input fixed contact 38A, a second output fixed contact 38B and a second movable contact 40, the contacts 38A, 38B, 40 being electrically conductive.
  • the second fixed contacts 38A, 38B are adapted to be electrically connected via the second movable contact 40 in the closed position of the corresponding second electric switch 32 and electrically isolated from each other in the open position of the second switch 32.
  • each input terminal 12A, 12B, 12C is electrically connected to a first input fixed contact 34A and a respective second input fixed contact 38A
  • each output terminal 14A, 14B, 14C is electrically connected to a first fixed output contact 34B and a respective second output fixed contact 38B, so that the first 12A, second 12B and third 12C input terminals are respectively connected to the first 14A, second 14B and third 14C output terminals in position closed first switches 30 and that the first input terminal 12A is connected to the second output terminal 14B, the second input terminal 12B is connected to the first output terminal 14A, and the third input terminal 12C is connected to the third output terminal 14C in the closed position of the second switches 32.
  • the switching module 16 comprises a member 45 for holding the plurality of movable contacts 36, 40, also called a contact carrier, movable between a first position in which the first switches 30 are closed and the second switches 32 are open and a second position in which the first switches 30 are open and the second switches 32 are closed.
  • the switching module 16 comprises six electrical switches 30, 32, namely three first electrical switches 30 adapted to be in the closed position when the holding member 45 is in its first position and three second electrical switches 32 to be in position closed when the holding member 45 is in its second position.
  • the switching module 16 comprises three first movable contacts 36 and three second movable contacts 40.
  • the control module 18 comprises a device 48 for driving the holding member 45 between its first and second positions, so as to ensure a simultaneous switching of the plurality of electrical switches 30, 32.
  • the protective cover 20 comprises openings 50 for access to the input terminals 12A, 12B, 12C and to the output terminals 14A, 14B, 14C, said access openings 50 allowing the user to secure the lug of an electrical cable to connect to the respective terminal using a screw / nut assembly 23.
  • the protective cover 20 is adapted to be fixed above the switching module 16 according to the first, third and fourth configurations A1, A3, A4 of the switching system, or above the control module 18 according to the second configuration A2. of the switching system.
  • Each fixed contact 34A, 34B, 38A, 38B comprises a contact pad 52 which cooperates with a pellet 54 of the movable contact 36, 40 corresponding.
  • Each fixed contact 34A, 34B, 38A, 38B is preferably made of copper or copper alloy.
  • Each movable contact 36, 40 is adapted to bear against the two fixed contacts 34A and 34B, 38A and 38B of the electrical switch 30, 32 corresponding in the closed position of said switch and away from the two fixed contacts 34A and 34B 38A and 38B of the same electrical switch 30, 32 in the open position of said switch.
  • Each movable contact 36, 40 is in the form of a tongue arranged in a plane perpendicular to the longitudinal axis X, having a transverse axis Y extending from the right to the left and the vertical axis Z, as shown in FIG. figure 5 .
  • Each movable contact 36, 40 comprises, at each of its ends along the transverse axis Y, a pellet 54 of contact with the pellet 52 complementary to the corresponding fixed contact.
  • Each movable contact 36, 40 has a cross section of variable area as a function of the electrical power of the clean current to flow through the electrical switch.
  • Each movable contact 36, 40 is preferably made of copper or copper alloy.
  • the holding member 45 has housings 56 for receiving the movable contacts 36, 40 respectively.
  • the holding member 45 comprises four receiving housings 56, two of the four housings receiving both a first movable contact 36 and a second movable contact 40.
  • the holding member 45 comprises four mechanical coupling elements 60A, 60B, 62A, 62B with the electrical drive device 48, namely a first 60A and a second 60B transverse coupling elements, and a first 62A and a second 62B axial coupling elements, each coupling element being able to ensure a mechanical connection with the drive device 48 according to a respective one of the first A1, second A2, third A3 and fourth A4 configurations of the control module 18 with respect to the module switching 16.
  • the mechanical coupling between the holding member 45 and the drive device 48 is provided by means of a single mechanical coupling element 60A, 60B, 62A, 62B respectively.
  • Each mechanical coupling element 60A, 60B, 62A, 62B corresponds to a single configuration A1, A2, A3, A4 of the drive device 48 relative to the holding member 45 of the switching module.
  • the holding member 45 is movable in translation in a driving direction parallel to the longitudinal axis X and perpendicular to the plane in which the contact pads 52, 54 are disposed.
  • the holding member 45 is movable between a rear position in which the first electrical switches 30 are closed and a front position in which the second electrical switches 32 are closed.
  • the holding member 45 is also adapted to be disposed in an intermediate position between the front position and the rear position. In the intermediate position of the holding member 45, the switches 30, 32 are all in the open position, as shown in FIGS. figures 7 and 9 .
  • the retaining member 45 has, with respect to the movable contacts 36, 40, the receiving housings 56 and the transverse coupling elements 60A, 60B, a horizontal plane of symmetry P1, the said plane of symmetry P1 containing the direction of rotation.
  • the first transverse coupling element 60A and the second coupling element 60B are symmetrical to each other with respect to said horizontal plane of symmetry.
  • the holding member 45 is made of an electrically insulating material.
  • the drive device 48 is able to drive the holding member 45 in translation in the driving direction, and is thus able to simultaneously drive the movable contacts 36, 40 of the plurality of electrical switches 30, 32, in order to ensure a simultaneous switching of the first switches 30 and the second switches 32.
  • the drive device 48 comprises a first 66A and a second electromagnetic coil 66B arranged successively along the longitudinal axis X, a plunger 68 adapted to slide along the longitudinal axis inside the coils 66A, 66B, each coil 66A, 66B being clean to exert a magnetic force on the plunger 68, in order to actuate the plunger 68 in a reciprocating translation movement along the longitudinal axis X.
  • the drive device 48 comprises a drive lever 70 adapted to cooperate with the first transverse coupling element 60A, or respectively with the second transverse coupling element 60B, when the switching system 10 is in its first configuration A1, or respectively in its second configuration A2.
  • the drive lever 70 mechanically connected to the plunger 68 is then able to drive the holding member 45 in translation.
  • the drive device 48 comprises a shaft 71 around which the drive lever 70 is rotatable, as shown in FIGS. figures 5 and 8 .
  • the driving device 48 comprises at each end of the plunger 68 a rod 72 extending in the driving direction and a coupling head 74 disposed at the end of the rod 72 which is not fixed to the plunger 68.
  • the coupling head 74 is adapted to be mechanically connected via a connecting element 76 to the first axial coupling element 62A, or respectively to the second axial coupling element 62B, when the switching system 10 is in the third configuration A3, or respectively according to the fourth configuration A4.
  • the contact pads 52, 54 are electrically conductive, preferably silver alloy.
  • the contact pads 52, 54 are each in the form of a wafer and arranged in a plane of axes Y and Z, perpendicular to the driving direction.
  • Each receiving housing 56 passes through the holding member 45 from side to side along the transverse axis Y.
  • Each receiving housing 56 comprises at least one bearing surface 78 for a corresponding movable contact 36, 40.
  • Each bearing face 78 is substantially disposed in the plane of axes Y and Z, perpendicular to the longitudinal axis X.
  • the two housings 56 at the rear of the holding member 45, illustrated on the left of the figure 5 are housing receiving a first movable contact 36 and a second movable contact 40, and has two bearing faces 78 arranged facing one another.
  • Each transverse mechanical coupling element 60A, 60B is adapted to allow coupling of the holding member 45 with the driving device 48 in a direction perpendicular to the driving direction, preferably along the vertical axis Z, according to the first and second configurations A1, A2.
  • the first transverse coupling element 60A and the second transverse coupling element 60B are symmetrical to one another with respect to the horizontal plane P1 of X and Y axes and containing the driving direction, as shown in FIG. figure 6 .
  • Each transverse coupling element 60A, 60B comprises, in the vicinity of the middle of the holding member 45 along the longitudinal axis X, two fingers 80 arranged successively in the driving direction and extending transversely with respect to the direction of movement. drive, preferably vertically.
  • the two fingers 80 of each transverse coupling element are adapted to cooperate with a first end 82 of the driving lever 70 mechanically connected to the drive device.
  • the fingers 80 are integral with the holding member 45.
  • Each axial coupling element 62A, 62B is adapted to allow the coupling of the holding member 45 with the drive device 48 in a direction parallel to the direction of the drive, that is to say according to the longitudinal axis X, according to the third and fourth configurations A3, A4.
  • the first axial coupling element 62A and the second axial coupling element 62B are symmetrical to one another with respect to a plane perpendicular to the driving direction, preferably with respect to a plane P2 of axes Y and Z and passing substantially through the middle of the holding member 45 along the longitudinal axis X, as shown in FIG. figure 6 .
  • Each axial coupling element 62A, 62B is disposed at a respective longitudinal end of the holding member and comprises a rod 84 extending in the driving direction and a coupling head 86 disposed at one end of the rod 84, the coupling head 86 being adapted to be mechanically connected to a corresponding coupling head 74 via the connecting element 76.
  • the rod 84 and the coupling head 86 are integral with the holding member 45.
  • the first coil 66A comprises a casing 88A and a winding 90A coaxial with the longitudinal axis X and held by the casing 88A, as shown in FIG. figure 5 .
  • the second coil 66B is identical to the first coil 66A, and comprises the same parts, each time replacing the letter A by the letter B concerning the references of these parts.
  • the plunger 68 has a first end portion 92A, a second end portion 92B and an intermediate portion 94 forming the connecting member of the two end portions 92A, 92B.
  • Each coil 66A, 66B is adapted to exert a magnetic force substantially in the direction of one of the end portions 92A, 92B.
  • the plunger 68 has two plates 96 bearing against a second end 98 of the drive lever 70, the support plates 96 being arranged successively along the longitudinal axis X, as shown in FIG. figure 6 .
  • the driving lever 70 is mechanically connected to the plunger 68 on the one hand and to the holding member 45 on the other hand only according to the first and second configurations A1, A2, in order to drive the holding member in translation. 45 along the longitudinal axis X following the actuation of the plunger 68 in translation along the longitudinal axis X, as shown in FIG. figure 5 .
  • the driving lever 70 is rotatable about the shaft 71 extending parallel to the transverse axis Y and perpendicular to the longitudinal axis X.
  • the rod 72 and the coupling head 74 are attached to each part of the housing. end 92A, 92B.
  • the rod 72 and the coupling head 74 are integral with the plunger 68.
  • the connecting element 76 is a movable part of the protective cover 20, such as a breakable part.
  • the connecting element between the holding member 45 and the plunger 68 comprises a connecting piece movable between a rest position in which it is integrated into the body of the plunger 68 and an assembly position. in which it is partially extracted from the plunger 68 to ensure a mechanical connection of the plunger 68 with the holding member 45.
  • the connecting piece comprises a body and a head adapted to cooperate with the holding member 45.
  • the body is for example threaded.
  • the head has a square section so as to immobilize in rotation about the longitudinal axis X of the connecting piece, by the cooperation between the head of said connecting piece and a complementary part of the holding member 45.
  • the connecting piece is made of metal or plastic depending on the magnetic fluxes.
  • the connecting piece can be extracted from its rest position to its assembly position, in particular by unscrewing the connecting piece when its body is threaded.
  • This variant allows an elementless connection arranged externally to the holding member 45 or the plunger 68, the connecting piece being in the integrated rest position in the body of the plunger 68.
  • the end portions 92A, 92B of the core are each cylinder-shaped and of ferromagnetic material.
  • the ends of the end portions 92A, 92B are disk-shaped in the transverse plane of Y and Z axes.
  • the intermediate portion 94 of the plunger comprises a cylindrical rod 99 and the two support plates 96 attached to the rod.
  • the intermediate portion 94 is positioned substantially in the middle of the plunger along the longitudinal axis X.
  • the intermediate portion 94 is arranged substantially in the center of the corresponding disk-shaped end of each end portion 92A, 92B in the plane. transverse Y and Z axes.
  • Each support plate 96 has a rectangular portion 100 extended by two fingers 102 extending vertically, as shown in FIG. figure 6 .
  • the control module 18 has a plane of symmetry P3 perpendicular to the driving direction, visible on the figure 5 , said plane P3 being a transverse plane of Y and Z axes passing through the middle of the control module 18 along the longitudinal axis X.
  • the first coil 66A and the second coil 66B are symmetrical to one another relative to each other. to said transverse plane of symmetry P3, and the first end portion 92A and the second end portion 92B of the plunger are also symmetrical to each other with respect to said transverse plane of symmetry P3.
  • the electrical switching system 10 is particularly flexible, since the control module 18 is positionable with respect to the switching module 16 in four different ways according to the four configurations A1, A2, A3, A4 visible on the Figures 1 to 4 .
  • the holding member 45 is mechanically coupled to the driver 48 via a single coupling element among the first and second coupling members 60A, 60B and the first and second axial coupling members 62A, 62B.
  • the switching module 16 is arranged above the control module 18, and the holding member 45 is mechanically coupled to the drive device 48 via the first transverse coupling element 60A and the control lever. 70, as shown in FIGS. figures 5 and 6 .
  • the switching module 16 is disposed below the control module 18, and the holding member 45 is mechanically coupled to the drive device 48 via the second transverse coupling element 60B and the control lever. 70, as shown in FIG. figure 8 .
  • the passage between the two transversal configurations A1, A2 is particularly simple to achieve, since it is sufficient to separate the switching module 16 from the control module 18, to rotate the control module 18 by an angle of 180 ° around the longitudinal axis X, so that the drive lever 70 and the plates 96 of the plunger 68 are oriented downward as shown on the figure 8 , respectively upwards ( figure 9 ), and to finally secure the control module 18 above, respectively below, the switching module 16.
  • first and second transverse coupling elements 60A, 60B symmetrical to each other with respect to a horizontal plane of axes X and Y, the transition from the first configuration A1 to the second configuration A2, and conversely of the second configuration A2 to the first configuration A1, does not require the return of the holding member 45.
  • the switching module 16 is arranged behind the switching module 18, and the holding member 45 is mechanically coupled to the drive device 48 via the first axial coupling element 62A, as shown in FIG. figure 10 .
  • the coupling head 86 of the first axial coupling element is then secured to the coupling head 74 of the plunger with the aid of the connecting element 76.
  • the coupling heads are movable along the longitudinal axis to through orifices, not shown, formed in the corresponding walls of the switching module 16 and the control module 18.
  • the switching module 16 is arranged in front of the switching module 18, and the holding member 45 is mechanically coupled to the drive device 48 via the second axial coupling element 62B.
  • the second axial coupling element 62B is then integrally coupled with a corresponding coupling head of the plunger via the connecting element 76.
  • the passage between the two axial configurations does not require the module to be pivoted.
  • 16 when the input terminals 12A, 12B, 12C and the output terminals 14A, 14B, 14C are connected to electrical cables via a circuit breaker 16 at an angle of 180 ° about the longitudinal axis X. screw / nut assemblies, to go from the third configuration A3 to the fourth configuration A4, or conversely from the fourth configuration A4 to the third configuration A3, without disconnecting the electrical cables.
  • the passage of a transverse configuration, ie a configuration among the first and second configurations A1, A2, to an axial configuration, ie a configuration among the third and fourth configurations A3, A4, is particularly simple to implement, since It suffices to dissociate the switching module 16 from the control module 18, and to fix the switching module 16 and the control module 18 one beside the other, while solidifying the coupling head 86 of the element axial coupling 62A, 62B corresponding to the corresponding coupling head 74 of the plunger with the aid of the connecting element 76.
  • the driving lever 70 which is not necessary for the operation of the switching system in axial configuration , may be removed, or left in place to serve as an indicator of the direction of travel.
  • transition from an axial configuration A3, A4 to a transverse configuration A1, A2 is also simple to implement, since it is sufficient to separate the switching module 16 from the control module 18, in particular removing the connecting element 76 which is not necessary for the operation of the switching system according to the transverse configurations A1, A2, and for fixing the switching module 16 and the control module 18 one above the other, while mechanically connecting the transverse coupling element 60A, 60B corresponding to the plunger 68 by means of the driving lever 70.
  • the input and output terminals each comprise both a mounting plate 22 and a connecting pin 24 makes it possible to easily switch from the configuration in which the terminals are connected to electrical cables to the configuration in which the terminals are connected to a printed circuit, without having to modify the input and output terminals.
  • the drive device 48 In the absence of control of the electromagnetic coils 66A, 66B, the drive device 48 is in the rest position and the intermediate portion 94 of the plunger is disposed substantially midway between the coils 66A, 66B along the longitudinal axis X
  • the holding member 45 is then in its intermediate position due to the mechanical coupling between the holding member and the driving device, and all the electric switches 30, 32 are in the open position. No electrical current then flows between the input terminals 12A, 12B, 12C and the output terminals 14A, 14B, 14C.
  • the translation of the holding member 45 then causes the closing of the second electrical switches 32, the first electrical switches 30 remaining in the open position, if said position is the front position of the holding member 45, or the closing of the first electrical switches 30, the second electrical switches 32 remaining in the open position, when said position is the rear position of the holding member 45.
  • first configuration A1 As represented on the figure 5 when first spool 66A creates a field which attracts the first end portion 92A of the plunger rearward, the driver 48 moves from its rest position to its first working position with a displacement in the direction of the F1 arrow.
  • the second end 98 of the drive lever 70 is moved rearward by the mechanical connection between the intermediate portion 94 and the second end 98, and the first end 82 of the lever is then moved forward, the lever drive 70 rotating Y-axis about the shaft 71 in the direction of the arrow F2.
  • Actuation of the first coil 66A thus causes the displacement, in the direction of arrow F3, of the holding member 45 from its intermediate position to its forward position, in which the second electric switches 32 are in the closed position while that the first electrical switches 30 are in the open position.
  • the other coil among the first and second coils 66A, 66B When the other coil among the first and second coils 66A, 66B is actuated, it creates a field that attracts the other end portion of the plunger which induces a translation of the plunger along the longitudinal axis.
  • the drive device 48 then moves from one working position to another.
  • the actuation of the other coil then causes the displacement of the holding member 45 which causes the opening of the electrical switches 30, 32 which were previously closed and the closing of the other electrical switches which were previously open.
  • Actuation of the second coil 66B thus causes the displacement of the holding member 45 from its front position, or its intermediate position if the second coil 66B is actuated while the drive device 48 is at rest, towards its rear position, in the direction of the arrow F6.
  • the first electrical switches 30 are in the closed position while the second electrical switches 32 are in the open position.
  • the movements of the drive device 48 and the holding member 45 in the case of the third and fourth configurations A3, A4 are translational movements along the longitudinal axis X, a movement of the drive device 48 in one direction causing a movement of the holding member 45 in the same direction.
  • the plunger 68 being made of a single rigid piece, the first switches 30 and the second switches 32 can not be closed simultaneously, thus avoiding a risk of short circuit. It is therefore not necessary to provide an additional system for protection against short circuits of the mechanical locking type.
  • the electrical switching module 16 according to the invention makes it possible to propose several configurations A1, A2, A3, A4 possible of the switching module with respect to its control module 18, while minimizing the manipulations necessary for the passage of one configuration to another.
  • the switching system 10 according to the invention is thus particularly flexible.
  • the switching system 10 according to the invention also makes it possible to pass very easily from the configuration in which the input and output terminals are connected to electrical cables to the configuration in which the input and output terminals are connected to a printed circuit.
  • the figure 11 illustrates a second embodiment of the invention for which elements similar to the first embodiment, described above, are identified by identical references.
  • the second embodiment illustrates a variant of the axial coupling between the holding member 45 and the drive device 48.
  • the other elements of the first embodiment and their variants are likely to be associated therewith.
  • each first and second axial coupling element 62A, 62B comprise an orifice 200 for receiving a rod 202 integral with the drive device 48 and a pin 204 for holding the rod 202 in the orifice reception 200.
  • the receiving orifice 200 extends in the direction of the drive, that is to say along the longitudinal axis X.
  • the rod 202 is integral with the corresponding end portion 92A, 92B of the plunger 68.
  • the stem 202 has a through hole 206 adapted to receive the retaining pin 204 when the axial coupling member 62A, 62B and the plunger 68 of the driving device are mechanically coupled.
  • the holding pin 204 is intended to be inserted into through holes 208 arranged in the holding member 45 and complementary to the through hole 206, when the rod 202 is inserted into the receiving orifice 200.
  • the through holes 206, 208 extend in a direction perpendicular to the longitudinal axis X, preferably along the vertical axis Z.
  • the axial mechanical coupling according to the second embodiment makes it possible to offer a greater mechanical rigidity of the assembly formed by the holding member 45 and the driving device 48.
  • the figure 12 illustrates a third embodiment of the invention for which elements similar to the first embodiment, described above, are identified by identical references.
  • the switching system 10 is a three-phase contactor adapted to open or close each electrical connection between an input terminal 12A, 12B, 12C and a corresponding output terminal 14A, 14B, 14C associated with a phase respective of a three-phase current.
  • the switching module 16 then comprises only the first three electrical switches 30 in the absence of a second electrical switch, and each input terminal 12A, 12B, 12C is electrically connected only to a first one. input fixed contact 34A, each output terminal 14A, 14B, 14C being electrically connected to the corresponding first fixed output contact 34B.
  • the first 12A, second 12B and third 12C input terminals are then respectively connected to the first 14A, second 14B and third 14C output terminals in the closed position of the first switches 30, and the output terminals are electrically isolated from the input terminals. in the open position of the first switches 30.
  • this third embodiment is also identical with regard to the drive of the holding member 45 via the electrical drive device 48 to that of the first embodiment described above.
  • the switching module 16 and the control module 18 are arranged next to each other along the longitudinal axis X extending from the rear to the front. According to the primary axial configuration, the switching module 16 is behind the switching module 18, as shown in FIG. figure 13 , similar to the figure 3 .
  • the switching module 16 comprises a device 242 for holding the first three movable contacts 36 and the three second movable contacts 40.
  • This device 242 also called a contact carrier, is itself mobile between a first position in which the first switches 30 are closed and the second switches 32 are open and a second position in which the first switches 30 are open and the second switches 32 are closed.
  • the holding device 242 is identical to the holding member 45, also called contact holder, described in the first three embodiments.
  • the switching module 16 comprises a housing 244 for protecting the input and output terminals 12A, 12B, 12C, 14A, 14B, 14C, first and second switches 30, 32 and the holding device 242.
  • This protective case 244 has an upper opening 246 for accessing the input and output terminals, the first and second switches and the holding device, as shown in FIG. figure 16 .
  • the drive device 48 is adapted to drive the holding device 242 between its first and second positions, so as to ensure a simultaneous switching of all the electrical switches 30, 32.
  • the control module 18 and the switching module 16 are assembled by a dovetail device.
  • the control module 18 comprises two pins 250, each in trapezoidal shape, and the switching module 16 has two grooves 251, each of complementary shape to that of the corresponding pin 250.
  • Each stud 250 can slide along the vertical axis Z in a corresponding groove 251.
  • the protective cover 20 visible on the Figures 13 to 17 , has circular openings 252 for access to input terminals 12A, 12B, 12C and output terminals 14A, 14B, 14C. These access openings 252 allow the user to secure the lug of an electrical cable to be connected to a respective terminal with the screw / nut assembly of this terminal.
  • the protective cover 20 is made of an electrically insulating material.
  • the protective cover 20 is adapted to be fixed above the switching module 16 so as to close the upper opening 46 during operation of the switching system, in order to avoid any risk of electrocution.
  • Each fixed contact 34A, 34B, 38A, 38B and each movable contact 36, 40 are preferably made of copper.
  • Each movable contact 36, 40 comprises, at each of its ends along the transverse axis Y, the patch 54 of contact with the corresponding fixed contact.
  • the holding device 242 comprises a main body 255 extending substantially longitudinally and the housings 56 for receiving the movable contacts 36, 40 respectively, the receiving housings being arranged transversely in the main body 255.
  • the holding device 242 comprises four receiving housings 56, two of the four housings receiving both a first movable contact 36 and a second movable contact 40.
  • the holding device 242 is made of an electrically insulating material.
  • the holding device 242 is movable in translation along the driving direction parallel to the longitudinal axis X and perpendicular to the plane in which the contact pads 54 are arranged, between the position rear of the front position, the holding device 242 is also adapted to be arranged in the intermediate position.
  • the holding device 242 comprises a first mechanical coupling element 258 with a second coupling element 260 complementary to the device electrical drive 48, in a direction parallel to the direction of the drive, that is to say along the longitudinal axis X.
  • the protective case 244 has rectangular lateral openings 262 for the passage of electrical cables intended to be fixed to the input and output terminals 12A, 12B, 12C, 14A, 14B, 14C.
  • the protective case 244 is in the form of a rectangular parallelepiped.
  • the drive device 48 comprises a first 264A and a second electromagnetic coil 264B arranged successively along the longitudinal axis X, a plunger 266 capable of sliding along the longitudinal axis inside the coils 264A, 264B, each coil 264A, 264B being clean to exert a magnetic force on the plunger 266, in order to actuate the plunger 266 in a reciprocating translational movement along the longitudinal axis X.
  • the driving device 48 comprises, at a longitudinal end of the plunger 266, the second element of coupling 260.
  • the switching system 10 comprises an element 268 connecting the two coupling elements 258, 260, the connecting element 268 being a part of the protective cover 20, movable between a first separation position in which the two coupling elements are mechanically separated from each other ( figure 15 ) and a second association position in which the two coupling elements are mechanically connected by the connecting element 268 ( figure 16 ).
  • the switching system 10 comprises means 270 for attaching the connecting element 268 in its first position, as shown in FIG. figure 13 .
  • the switching system 10 comprises means 272 for guiding the connecting element between its first and second positions and means 274 for locking the connecting element in its second position, as shown in FIG. figure 16 .
  • the first position of the connecting element is a position in which the connecting element 268 is away from the two coupling elements 258, 260.
  • the coupling elements 258, 260 are then mechanically free from each other, as shown on the figure 15 .
  • the second position of the connecting element is a position in which the connecting element 268 is mechanically connected to the first coupling element 258 and to the second coupling element 260, so that the coupling elements 258, 260 are mechanically connected via the connecting element 268, as shown in FIG. figure 16 .
  • the first coupling member 258 includes a first rod 280 extending in the driving direction and a first coupling head 282 disposed at the end of the first rod 280 which is not fixed to the main body 255.
  • the first coupling element 258 is integral with the main body 255.
  • the second coupling member 260 includes a second rod 284 extending in the driving direction and a second coupling head 286 disposed at the end of the second rod 284 which is not attached to the plunger 266.
  • the second element Coupling 260 is integral with the plunger 266.
  • the first coupling element 258 and the second coupling element 260 are similar to the first and second axial coupling elements 62A, 62B described in the previous embodiments.
  • the first coil 264A, the second coil 264B and the plunger 266 are respectively identical to the first coil 66A, the second coil 66B and the plunger 68 described in the previous embodiments.
  • the connecting element 268 is substantially in the shape of a rectangular parallelepiped and comprises an upper wall 296 and four side walls, namely a front wall 98, a rear wall 100, a right wall 102A and a left wall 102B, as shown on the figure 17 .
  • the connecting element 268 has a median plane of symmetry P parallel to the X and Z axes.
  • the connecting element 268 comprises two first lugs 304A and two second lugs 304B, the first two lugs 304A, respectively the two second lugs 304B, being spaced apart from one another along the Z axis, and fixed to the wall right 302A, respectively to the left wall 302B.
  • the four lugs 304A, 304B are preferably integral with the corresponding wall 302A, 302B.
  • the four lugs 304A, 304B are in the form of a cylinder having a generatrix parallel to the transverse axis Y.
  • the connecting element 268 comprises first hooking means 306 of the first head 282 and second hooking means 308 of the second head 286.
  • Linking member 268 includes an indicator 309 of the position among the open and closed positions of switch 30, 32. This indicator 309 is visible from outside the system 10. Indicator 309 is glued to the top wall 296 of the connecting element. In a variant, the indicator 309 is etched in the upper wall 296 of the connecting element.
  • the fastening means 270 comprise breakable strips 310 extending along the transverse axis Y and connecting the connecting element 268, in its first position, to the remainder of the protective cover 20, as shown in FIG. figure 13 .
  • the guiding means 272 comprise a cam surface 312 integral with the protective cover 20 and adapted to cooperate with a counter-cam 314 of the element of FIG. connection 268, so as to guide the connecting element 268 simultaneously in the driving direction and in a direction perpendicular to the driving direction, namely along the longitudinal axis X and vertical Z.
  • the locking means 274 comprise the first attachment means 306 comprising an opening 316 formed in the rear wall 300 of the connecting element and intended to receive the first rod 280 while the first head 282 is received inside the the connecting element 268.
  • the opening 316 forms latching means with the first rod 280. It is, for example, in the form of ⁇ .
  • the locking means 274 comprise the second attachment means 308 comprising two lateral hooks 318 intended to grip the second head 286 and a flexible middle part 320 for supporting the second head 86 against the lateral hooks 318.
  • the first and second coupling heads 282, 286 are circular in a transverse plane of Y and Z axes and have a trapezoidal section in the section plane of the figure 15 parallel to the X and Z axes.
  • the intermediate portion 94 of the plunger comprises a cylindrical rod 322 arranged substantially at the center of the corresponding disc-shaped end of each end portion 92A, 92B in the transverse plane of axes Y and Z.
  • the intermediate portion 94 is positioned substantially in the middle of the plunger along the longitudinal axis X.
  • the cam surface 312 comprises two first oblique grooves 324A and two second oblique grooves 324B arranged in the protective cover 20.
  • the counter cam consists of four lugs 304A, 304B, each first lug 304A, respectively each second lug 304B, being adapted to slide in a corresponding first oblique groove 324A, respectively a corresponding second oblique groove 324B.
  • the oblique grooves 324A, 324B each extend in a plane parallel to the X and Z axes obliquely to the driving direction, that is to say obliquely with respect to the longitudinal axis X.
  • the oblique grooves 324A, 324B are formed, with respect to the surface in which they open, along the transverse axis Y to receive the lugs 304A, 304B.
  • the protective cover 20 comprises two first longitudinal grooves 326A and two second longitudinal grooves 326B arranged along the longitudinal axis X, visible on the figure 18 .
  • Each first lug 304A, respectively each second lug 304B, is adapted to slide in a corresponding first longitudinal groove 326A, respectively a corresponding second longitudinal groove 326B.
  • the switching modules 16 and control 18 are separated from each other, and the user begins by assembling the switching module 16 with the control module 18, sliding up and down, c ' that is to say along the axis Z, the studs 250 of the control module in the corresponding grooves 251 of the switching module until the configuration of the figure 13 .
  • the connecting member 268 is in its first position, i.e., in its up position, and the driving device 48 is mechanically separated from the holding device 242.
  • the holding device 242 In order to allow switching of the first and second switches 30, 32 by the reciprocating movement of the holding device 242 in the driving direction, it is necessary to mechanically connect the holding device 242 to the drive device. 48.
  • the user presses downwardly on the upper wall 296 of the connecting element 268 in order to move the connecting element 268 from its first position to its second position, that is to say from its high position ( figure 15 ) at its low position ( figure 16 ), wherein the two coupling elements 258, 260 are mechanically connected by the connecting element 268.
  • the driving device 48 is mechanically connected to the holding device 242 via the coupling elements 258, 260 and the connecting element. liaison 268.
  • Guiding of the connecting element 268 is provided by the guiding means 272 in order to allow correct positioning of the connecting element 268 with respect to the coupling elements 258, 260.
  • the locking means 274 mechanically lock the holding device 242 to the drive device 48 to ensure proper operation of the switching system.
  • the locking means 274 further provide the user with an indication of reaching the second position of the connecting member 268 via the detent means 316.
  • the longitudinal grooves 326A, 326B allow reciprocating movement of the connecting member 268 in the driving direction when the holding device 242 is driven by the driving device 48, the connecting member 268 then being in his second position.
  • the electrical switching system 10 therefore makes it easy to associate the switching module 16 with the control module 18, since it suffices to slide the lugs 250 up and down in the grooves 251 and then to press from top to bottom on the connecting element 268.
  • the electrical switching system 10 makes it easy to separate the switching module 16 from the control module 18 since it is sufficient to move the connecting element 268 upwardly by exerting a pulling down at the top on its upper wall 296, then dissociate the switching module 16 of the control module 18 by bringing out the pins 250 of the grooves 251 via a sliding studs 250 from bottom to top.
  • the electrical switching system 10 makes it easy to associate the switching module 16 with the control module 18, or conversely to separate the switching module 16 from the control module 18, while minimizing the necessary manipulations. to said association and separation.
  • the operation of the electrical switching system 10 according to the fourth embodiment is similar to that of the first embodiment, and is not described again.
  • the switching module 16 and the control module 18 according to the invention have been described in relation to an inverter allowing the crossing of two phases, it is understood that the control module according to the invention can be used in connection with a switching module between two possible conductive paths.
  • the switching system 10 then comprises, for each input terminal, a first and a second output terminal, the first output terminal being connected to a corresponding first fixed output contact 34B in the absence of an electrical connection. with the second or second output fixed contacts 38B, and the second output terminal being connected to a corresponding second output fixed contact 38B in the absence of an electrical connection with the first output fixed contact (s) 34B.
  • the input terminal is electrically connected to the corresponding first input fixed contact 34A and to the corresponding second input fixed contact 38A, so that in the closed position of the first switch 30, that is to say in first position of the work of the drive device 48, the current flows along a first conductive path between said input terminal and the first output terminal, and in the closed position of the second switch 32, that is to say in second position. of the driving device 48, the current flows along a second path between said input terminal and the second output terminal.
  • connecting element 268 according to the invention has been described as part of the protective cover 20 fixed above the switching module 16, it is understood that, alternatively, the connecting element according to the invention is part of a protective cover fixed above the control module 18.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP20120195720 2011-12-06 2012-12-05 Electrical switching system including an electrical switching module comprising two elements for coupling a contact carrier with the device for driving same Active EP2602806B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1161211A FR2983632B1 (fr) 2011-12-06 2011-12-06 Module de commutation electrique comportant des elements de couplage axial et transversal d'un porte-contact(s) avec son dispositif d'entrainement, et systeme de commutation electrique associe
FR1161214A FR2983633B1 (fr) 2011-12-06 2011-12-06 Module de commutation electrique comportant deux elements de couplage d'un porte-contact(s) avec son dispositif d'entrainement, et systeme de commutation electrique comprenant un tel module
FR1161210A FR2983630B1 (fr) 2011-12-06 2011-12-06 Systeme de commutation electrique comprenant un capot de protection comportant un element de liaison d'un porte-contact(s) avec son dispositif d'entrainement

Publications (2)

Publication Number Publication Date
EP2602806A1 true EP2602806A1 (de) 2013-06-12
EP2602806B1 EP2602806B1 (de) 2015-04-29

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EP20120195720 Active EP2602806B1 (de) 2011-12-06 2012-12-05 Electrical switching system including an electrical switching module comprising two elements for coupling a contact carrier with the device for driving same

Country Status (4)

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US (1) US9019050B2 (de)
EP (1) EP2602806B1 (de)
JP (1) JP6009336B2 (de)
CN (1) CN103219201B (de)

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FR2999791B1 (fr) * 2012-12-18 2015-01-02 Schneider Electric Ind Sas Dispositif modulaire de commutation electrique comportant au moins un bloc de coupure unipolaire et ensemble de commutation comportant de tels dispositifs
FR3014595B1 (fr) * 2013-12-09 2016-02-05 Schneider Electric Ind Sas Dispositif de commutation electrique
FR3060198B1 (fr) * 2016-12-08 2019-05-17 Schneider Electric Industries Sas Appareil electrique de coupure d'un courant electrique
CN108717919A (zh) * 2018-07-23 2018-10-30 浙江西芝电气有限公司 一种智能化控制的接触器
FR3087576B1 (fr) * 2018-10-22 2020-11-13 Schneider Electric Ind Sas Appareil de coupure d'un courant electrique
FR3098976B1 (fr) * 2019-07-17 2021-06-11 Schneider Electric Ind Sas Architecture d'un appareil électrique interrupteur
CN114078638B (zh) * 2020-08-17 2024-02-06 天津首瑞智能电气有限公司 一种开关装置

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Also Published As

Publication number Publication date
JP6009336B2 (ja) 2016-10-19
CN103219201A (zh) 2013-07-24
CN103219201B (zh) 2016-08-24
US9019050B2 (en) 2015-04-28
EP2602806B1 (de) 2015-04-29
US20130140153A1 (en) 2013-06-06
JP2013120754A (ja) 2013-06-17

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