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EP3221875B1 - Tripping control system for breaking pole and switchgear - Google Patents

Tripping control system for breaking pole and switchgear Download PDF

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Publication number
EP3221875B1
EP3221875B1 EP15804174.9A EP15804174A EP3221875B1 EP 3221875 B1 EP3221875 B1 EP 3221875B1 EP 15804174 A EP15804174 A EP 15804174A EP 3221875 B1 EP3221875 B1 EP 3221875B1
Authority
EP
European Patent Office
Prior art keywords
link
pivot point
spring
carriage
breaker
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
EP15804174.9A
Other languages
German (de)
French (fr)
Other versions
EP3221875A1 (en
Inventor
Roger Dumont
Arnaud Marchal
Damien ROGOSINSKI
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.)
Socomec SA
Original Assignee
Socomec SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Socomec SA filed Critical Socomec SA
Publication of EP3221875A1 publication Critical patent/EP3221875A1/en
Application granted granted Critical
Publication of EP3221875B1 publication Critical patent/EP3221875B1/en
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
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/30—Operating parts, e.g. handle not biased to return to a normal position upon removal of operating force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch
    • 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
    • H01H1/22—Contacts characterised by the manner in which co-operating contacts engage by abutting with rigid pivoted member carrying the moving contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/36—Driving mechanisms
    • 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
    • H01H71/1009—Interconnected mechanisms
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/12—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by voltage falling below a predetermined value, e.g. for no-volt protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2235/00—Springs
    • H01H2235/01—Spiral spring
    • 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
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/527—Manual reset mechanisms which may be also used for manual release actuated by lever making use of a walking beam with one extremity latchable, the other extremity actuating or supporting the movable contact and an intermediate part co-operating with the actuator

Definitions

  • the present invention relates to the general field of electrical switchgear and more particularly to systems for operating the break in such devices.
  • the electric switchgear is equipped with a control system connected to the electric breaking poles from which the power cut is controlled.
  • the control system represents the most important safety element of the installation because it ensures the level of performance and reliability of the electrical switchgear as well as the interface between a user and the electrical part of power the device or devices powered by electric current.
  • the control system allows the user to switch the cut-off pole (s) from an open position (power cut) to a closed position (power-up) and vice versa by means of a manual control handle or an electric control.
  • the control system Independently of this normal operation (ie opening and closing of the cut-off devices by the user), the control system must be able to switch the cut-off pole (s) from the closed position to the open position without requiring the direct intervention of the user. 'a user, whatever the conditions use of the system such as when a holding force is applied at the same time on the control handle.
  • This automatic tilting from the closed position to the open position is mainly used to perform safety functions such as emergency stop, thermal overload, differential fault, short circuit, etc.
  • the currently available control systems are not suitable for reliably performing an automatic tilting of the closed position to the open position in particular because they do not provide sufficient mechanical energy to enable the actuation of power cutoff devices or fail to meet certain important safety criteria such as independent switching of operating conditions or high speed in the tilting operation.
  • the object of the present invention is to propose a new control system design which makes it possible, in priority and reliable manner, to switch the electrical breaking poles between the closed position and the open position.
  • the triggering of the priority toggling to the open position can be achieved with a large lever that amplifies the effort transmitted by the triggering control system at the breaking poles, and without loss of energy because the tilting of the first link is achieved without having to counteract the resistance of the accumulation mechanism.
  • the priority tilting in the open position is “free trip” (or “trip free”), that is to say that it can be controlled independently of any external mechanical influence and in particular even if a force Retainer is applied to the control handle of the system. It is therefore not necessary to provide a disengagement of the manual control of the system for triggering the priority switch to the open position.
  • the accumulation mechanism is able to release the second point of rotation of the first link when the first point of rotation of said first link is released by the second trigger mechanism. in order to lead the pivoting of the first connecting rod around a third point of rotation corresponding to the sliding connection connecting the second connecting rod to said first connecting rod when the second connecting rod arrives in its open position, the pivoting of the first connecting rod around the third point of rotation resulting in the moving the control handle in an intermediate position between the cut position and the closed position of said handle.
  • control system to trigger the accumulation mechanism comprises an internal carriage connected to the control handle and an external carriage connected to the first link, the system further comprising a bias spring adapted to move the carriages internal and external over a short distance when the accumulation mechanism releases the second point of rotation of the first rod so as to cause the pivoting of the first rod around the third point of rotation and the movement of the control handle in an intermediate position between the cut-off position and the closed position of said handle, thus making it possible to observe the triggered position of the system by simple visual inspection of the position of the control handle.
  • the first accumulation mechanism comprises a first spring able to exert, after compression, a force on the first connecting rod when it is pivoted around the first point of rotation between the first position and the second position of said first rod and vice versa and in that the triggering mechanism comprises a second spring adapted to exert, after compression, a force on the first connecting rod during its displacement between the second position and the third position when said first connecting rod pivots around the second point of rotation.
  • the first spring and the second spring make it possible to obtain similar torque curves, which makes it possible to have similar trigger speeds in both mechanisms and thus to ensure the safety of the cut in all situations.
  • the latter comprises manual control means for releasing the first point of rotation of the first link.
  • tripping control system of the invention comprises an electromechanical control means for releasing the first point of rotation of the first link.
  • control means requires very little energy to control the tilting in the open position.
  • the accumulation mechanism comprises an inner carriage connected to the control handle and an outer carriage connected to the first link, the inner carriage sliding in the outer carriage when moving. of the control handle between the cutoff position and the closed position, the first spring being interposed between the inner carriage and the outer carriage and in that the triggering control system comprises a locking element adapted to lock the inner carriage. with the external carriage after the movement of the first link between the second position and the third position so as to allow the resetting of the second spring of the trigger mechanism by avoiding compressing the first spring.
  • the subject of the present invention is also an e-electric breaking device comprising one or more electric breaking poles equipped with a movable contactor, characterized in that said apparatus further comprises a triggering control system according to the invention, a cutoff shaft connecting each movable contactor or cleavage poles to the axis of rotation of the second link.
  • the Figure 1A illustrates a switchgear 1 according to one embodiment of the invention.
  • the apparatus 1 comprises a trigger control system 100 in accordance with one embodiment and a plurality of cut-off poles 10.
  • the cut-off poles 10 correspond to cut-off devices such as switches, switches or fuse switch disconnectors.
  • each cut-off pole 10 is connected to the tripping control system 100 by a cut-off shaft 101 which is secured, on the one hand, to a connecting rod of the system 100 described hereinafter in detail, and, on the other hand at each movable contactor of the breaking poles corresponding here to a set of movable contacts 11, the shaft 101 constituting the axis of rotation of the movable contacts 11.
  • the rotation of the shaft 101 which is controlled by the system 100 makes it possible to moving the movable contacts 11 of each breaking pole between an open position ( Figure 1A ) in which the movable contacts 11 are placed at a distance from the fixed contacts 13 of the switchgear ( Figure 1B ) and a closed position ( Figure 2A ) in which the movable contacts 11 are in contact with the fixed contacts 13 of the breaking poles ( Figure 2B ), and vice versa.
  • control of the opening and closing of the breaking poles 10, and vice versa is carried out by means of a control handle 102 movable between a first position represented on the Figure 1A which corresponds to the opening position of the breaking poles 10 and a second position represented on the Figure 2A which corresponds to the closing position of the breaking poles 10.
  • the inner carriages 210 and outer 220 are slidably mounted relative to each other, the carriage guides 250 directing the relative sliding between the two carriages.
  • the storage spring 230 is interposed between the two carriages. More specifically, the spring 230 is held on the spring guide 240 which is itself fixed on two fixing lugs 221 and 222 respectively present at both ends of the external carriage 220. At rest, the spring 230 extends between the two legs 221 and 222 as illustrated on the figure 10 .
  • the inner carriage 210 comprises two pairs of bearing lugs 211 and 212 each respectively disposed on each side of the lugs 221 and 222 ( figures 5 , 6 and 7 ).
  • the support legs 211 and 212 are intended to abut on one of the ends of the spring 230 to compress it during the displacement of the inner carriage in the external carriage during the opening and / or closing operations of the cutoff apparatus 10.
  • the internal carriage 210 comprises in its upper part rack teeth 213 which are intended to cooperate with the pinions 261 of the control pin 260.
  • the control pin 260 also comprises a housing 262 for receiving the axis 1020 of the handle 102.
  • the first pivoting rod 600 comprises an arm 610 pivotable about a first point of rotation P1 formed by an axis 611 which is retained by the second trigger mechanism 300.
  • the arm 610 further comprises at its upper end an axis 612 crimped on said upper end and intended to be engaged in a slot 201 formed in the external carriage 220.
  • the axis 612 is a second point of rotation P2 around which the arm of the connecting rod 600 can pivot when the axis 611 is released by the second trigger mechanism as explained in detail below.
  • the connecting rod 600 comprises a second arm 620 connected to the first arm 610 by a spar 630.
  • the second arm is able to pivot, on the one hand, about the point of rotation P1 when the axis 611 is retained by the second trigger mechanism 300 and, secondly, around the second point of rotation P2 when the axis 611 is released by the second trigger mechanism, the arm 620 having an axis 622 crimped on its upper end and intended to be engaged with light 202 formed in the outer carriage.
  • the second pivoting rod 700 comprises a body 701 comprising a light 720 intended to receive an end of the shaft 101 for controlling the opening and closing of the breaking poles 10.
  • the light 720 comprises slots 721 intended to cooperate with teeth 1010 present on the outer surface of the shaft 101 (FIG.
  • the center 722 of the light 720 coincides with the center 1011 of the shaft 101.
  • the second link 700 further comprises a pin 710 present on the body 701 in a position offset from the position of the light 720.
  • the pin 710 is intended to be engaged in an oblong groove 613 formed in the arm 610 of the connecting rod 600 and slide in it during the movements of the rod 600 so as to achieve a sliding connection and articulated between the rods 600 and 700.
  • the figure 8 shows the connecting rods 600 and 700 as well as the external carriage 220 in a position corresponding to the open position of the cutting apparatus as shown in FIGS. Figures 1A and 1B .
  • the outer carriage 220 has moved in the direction A, which caused the pivoting of the first link 600 around the first point of rotation P1 which, itself, caused the pivoting of the second link 700 around the center 722 of the light 720 by sliding of the pin 710 in the oblong groove 613, the center 722 corresponding to the axis of rotation of the second rod 700.
  • the pivoting of the rod 700 causes the rotation of the shaft 101 (not shown in FIG. the figure 9 ) at an angle sufficient to allow the closing of the breaking poles as shown on the Figures 2A and 2B .
  • the Figures 10, 11 and 12 show the relative movements of the inner carriages 210 and external 220 to move from the open position to the closed position of the breaking poles by triggering the movement of the external carriage.
  • the figure 10 shows the relative position between the inner carriages 210 and outer 220 corresponding to the position of the first link 600 and the second connecting rod 700 shown in FIG. figure 8 (opening position of the breaking poles).
  • the figure 12 shows the relative position between the inner carriages 210 and outer 220 corresponding to the position of the first link 600 and the second connecting rod 700 shown in FIG. figure 9 (closing position of the breaking poles).
  • the first latching pawl 270 makes it possible to momentarily block the movement of the external carriage 220 in the direction A indicated on the figure 11 so as to allow, as a first step, the compression of the accumulation spring 230 ( figure 11 ) and, in a second step, triggering the movement of the external carriage 220 in the direction A under the effect of the action of the spring 230 ( figure 12 ). More precisely as illustrated on the figure 10 when the first pawl 270 is in the low position, it bears against flanges 223 formed in the upper part of the external carriage 220, which makes it possible to retain the external carriage.
  • the inner carriage 210 comprises in its upper part two ramps 214 which are intended to lift the first latch pawl 270 during the displacement of the inner carriage 210 in the direction A as indicated on FIG. figure 11 and gradually disengaging the pawl 270 from the flanges 223 to release the movement of the outer carriage as shown in FIG. figure 12 .
  • Figures 12, 13 and 10 show the relative movements of the inner and outer trolleys to move from the closed position to the open position of the breaking poles by triggering the movement of the external carriage, the figure 10 showing the relative position between the carriages 210 and 220 corresponding to the position of the rods 600 and 700 shown in FIG. figure 8 (opening position of the breaking poles), the figure 12 showing the relative position between the carriages 210 and 220 corresponding to the position of the rods 600 and 700 shown in FIG. figure 9 (closing position of the breaking poles).
  • the second rocker pawl 280 is intended to momentarily block the movement of the external slide 220 in the direction B indicated on the figure 13 so as to allow, as a first step, the compression of the accumulation spring 230 ( figure 13 ) and, in a second step, triggering the movement of the external carriage 220 in the direction B under the effect of the action of the spring 230 ( figure 10 ). More specifically, as illustrated on the figure 12 when the second pawl 280 is in the low position, it bears against flanges 224 formed in the upper part of the external carriage 220, which allows the external carriage to be retained.
  • the inner carriage 210 comprises in its upper part two ramps 215 which are intended to lift the first rocker pawl 280 during the displacement of the inner carriage 210 in the direction B as indicated on FIG. figure 13 and gradually disengaging the pawl 280 from the flanges 224 until the movement of the outer carriage is released as shown in FIG. figure 10 .
  • the trigger mechanism 300 comprises a hook 310 adapted to pivot about a axis 311 which is held in a fixed position in the triggering control system 100.
  • the hook 310 comprises first and second symmetrical arms 312 and 313 interconnected and comprising respectively at one of their ends. an orifice 3122, 3132 in which the axis 311 passes.
  • the triggering mechanism 300 also comprises a guide 320 on which is mounted a spring 330, the spring 330 being abutted, on the one hand, against a first end 321 of the guide 320 via a washer 323 engaged with the guide 320 and, secondly, against a slide 340.
  • the guide 320 is pivotally mounted relative to the hook 310, the guide 320 comprising for this purpose an orifice 325 in which passes l 311.
  • the slide 340 comprises a through hole 341 in which is engaged the axis 611 of the rod 600, the axis 611 being further housed in an oblong slot 324 formed in the guide 320 in order to not interfere with the movement of the slider 340 along the guide 320.
  • the trigger mechanism 300 further comprises a lever 350 which is pivotally attached to the 310 by means of an axle 351 which is inserted into both ports 3121 and 3131 formed respectively in the arms 312 and 313 of the hook 310 and in a passage 352 formed in the lever 350.
  • the axis 351 comprises in its central part a triggering catch 3150 which, when locked, allows the hook 310 to be held in position. his potion represented on the figure 15 .
  • the trigger mechanism is intended to keep the connecting rod 600 in a first position ( figure 15 ) in which the axis 611 is retained by flanges 3120 and 3130 present respectively on the arms 312 and 313 of the hook 310.
  • the connecting rod 600 In this first position, the connecting rod 600 is pivotable about the point of its first point of rotation P1 while that the spring 330 is kept in compression.
  • the axis 611 of the connecting rod 600 is released from the flanges 3120 and 3130 when the trip control module 400 exerts a pressing force Fp on the lever 350 in order to unlock the triggering catch 3150, which makes it possible to lower the hook 310 relative to the axis 611 and allow its disengagement of the flanges 3120 and 3130.
  • the spring 330 applies a force on the flanges 3120 and 3130. This force induces a counterclockwise torque on the hook 310.
  • the triggering hook 3510 produces on the hook 310 a reaction torque opposite to that generated by the action of the spring 330 on the flanges 3120 and 3130.
  • the hook 310 is kept in equilibrium in its position of the figure 15 as the hook 3510 is effective, that is to say locked.
  • the attachment 3510 is said to be “stable” to minimize the effort Fp. As soon as the attachment 3510 is unlocked, the reaction torque produced by the latter disappears and causes the hook 310 to rotate.
  • the bearing force Fp is very low compared to the force of the spring 330. This feature makes it possible to reduce the mechanical power that the trigger module 400 must provide.
  • Trip control 400 is here formed of a coil actuator (not shown) which allows to exert a pressing force on the lever.
  • any other type of actuator, electromechanical or manual, can be used to exert a pressing force on the lever 350.
  • the opening operation of the opening of the breaking poles described here corresponds to a safety function (for example in case of emergency stop, thermal overload, differential fault, short circuit, etc. .) which can be implemented without requiring the direct intervention of an operator.
  • the trigger for forcing the opening of the breaking poles is controlled by the trigger control module 400 (not shown in FIG. figure 15 ) which exerts a bearing force Fp on the lever 350 which is integral with the hook 310.
  • the support force Fp will allow to lower the arms 312 and 313 of the hook 310 of the second trigger mechanism 300 so that the flanges 3120 and 3130 will pass below the axis 611.
  • the spring 330 will push on said axis via the slide 340, which causes the pivoting of the connecting rod 600 around the second point of rotation P2 as shown on the figure 16 .
  • the guide 320 will also pivot upwards about the axis 311.
  • the connecting rod 600 At the end of the triggering operation, that is to say when the triggering control system 100 is in the so-called "triggered" position, the connecting rod 600 is in the position as shown in FIG. figures 17 , 19 and 21 .
  • the pivoting of the connecting rod 600 around the second point of rotation P2 makes it possible to turn the connecting rod 700 around the center 722 of the light 720 by sliding the pin 710 in the oblong groove 613, the connecting rod 700 thus causing the rotation of the shaft 101 integral with the blade 11 of each cutoff pole so as to place each cutoff pole connected to the triggering control system in the open position as illustrated on the Figure 1B .
  • the tripping control system of the invention can at any time trigger the opening of the poles of cut, and this in a reliable way because the complete trigger, that is to say the sufficient pivoting of the connecting rod 700 to allow the opening of the connected breakpoint or poles, is ensured in all conditions of use of the system such as when a retaining force is applied to the control handle.
  • the spring 230 of the accumulation mechanism and the spring 330 of the triggering mechanism are dimensioned to generate the same torque curve and, therefore, similar speeds for the opening. manual closing and for automatic tripping of the opening of the breaking poles.
  • the trigger control system of the invention may be provided with means for placing the control handle in a particular position when the trigger control system 100 is in the triggered position.
  • a pusher 360 is mounted on an arm 326 of the guide 320. More specifically, the pusher 360 comprises two tabs 361 and 362 interconnected. The pusher 360 is supported on the arm 326 of the guide 320 by means of a connecting piece 363 which makes it possible to actuate the tabs 361 and 362 towards the pawl 280 (FIG. figure 15 ).
  • the pivoting of the guide 320 causes the upward movement of the pusher 360.
  • the ends 3610 and 3620 respectively of the tabs 361 and 362 then come into contact with each other. with the pawl 280 and push it upwardly so as to release the external carriage 220.
  • the triggering control system of the invention further comprises a latch 370 fixed to the arm 326 of the guide 320.
  • the pivoting of the guide 320 causes the tilting of the rear portion 371 of the latch 370 upward as shown in the figures 16 and 17 .
  • the rear portion 371 locks the inner carriages 210 and outer 220 between them. It is thus possible to reset the system after the automatic trigger operation.
  • the triggering control system described above can also be placed interposed between control poles.
  • the figure 22 illustrates a switchgear 40 comprising a trigger control system 50 identical to the system 100 described above. Cut-off poles 60 are placed on one side of the system 50 while cut-off poles 70 are placed on the other side of the system 100.
  • the symmetrical architecture of the rod 600 described above, c that is to say a rod having two arms interconnected, is advantageously used.
  • the movable members 63 of the breaking poles 60 are actuated by the first arm 610 of the connecting rod 600 via the connecting rod 700 (not shown in FIG. figure 22 ) and a cut-off shaft 51 connected to both the connecting rod 700 (not shown in FIG.
  • the movable members 73 of the cut-off poles 70 are in turn actuated by the second arm 620 of the connecting rod 600 via a connecting rod identical to the connecting rod 700 in sliding connection with the arm 620 (not shown in FIG. figure 22 ) and a cutoff shaft 53 connected to both said rod (not shown on the figure 22 ) and to the movable members 73.
  • the breaking poles 60 and 70 are actuated by a single triggering control system.

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Description

Arrière-plan de l'inventionBackground of the invention

La présente invention se rapporte au domaine général des appareils de coupure électrique et plus particulièrement aux systèmes permettant d'actionner la coupure dans ce type d'appareils.The present invention relates to the general field of electrical switchgear and more particularly to systems for operating the break in such devices.

Ce type d'installation comprend un ou plusieurs pôles de coupure électrique tels que des interrupteurs-sectionneurs déclenchables, des inter-fusibles déclenchables, des commutateurs déclenchables et des disjoncteurs. Les fonctions principales de ces pôles sont :

  • établissement et interruption du courant électrique en charge, en surcharge et sur des courts circuits,
  • protection du site et des personnes contre les risques électriques,
  • garantie de la sécurité de l'utilisateur (actionnement, consignation et isolement).
This type of installation includes one or more electrical breaking poles such as trigger switch-disconnectors, triggerable inter-fuses, tripping switches and circuit breakers. The main functions of these poles are:
  • Establishment and interruption of electric current under load, overload and on short circuits,
  • protection of the site and people against electrical risks,
  • guarantee of the safety of the user (actuation, recording and isolation).

Les appareils de coupure électrique sont équipés d'un système de commande relié aux pôles de coupure électrique à partir duquel la coupure du courant électrique est commandée. Le système de commande représente l'élément de sécurité le plus important de l'installation car c'est lui qui assure le niveau de performance et de fiabilité des appareils de coupure électrique ainsi que l'interface entre un utilisateur et la partie électrique de puissance du ou des dispositifs alimentés en courant électriques.The electric switchgear is equipped with a control system connected to the electric breaking poles from which the power cut is controlled. The control system represents the most important safety element of the installation because it ensures the level of performance and reliability of the electrical switchgear as well as the interface between a user and the electrical part of power the device or devices powered by electric current.

Le système de commande permet à l'utilisateur de basculer le ou les pôles de coupure d'une position ouverte (coupure du courant électrique) à une position fermée (établissement du courant électrique) et inversement, au moyen d'une poignée de commande manuelle ou d'une commande électrique.The control system allows the user to switch the cut-off pole (s) from an open position (power cut) to a closed position (power-up) and vice versa by means of a manual control handle or an electric control.

Indépendamment de ce fonctionnement normal (i.e. ouverture et fermeture des appareils de coupure par l'utilisateur), le système de commande doit pouvoir assurer un basculement du ou des pôles de coupure de la position fermée à la position ouverte sans nécessiter l'intervention directe d'un utilisateur, quelles que soient les conditions d'utilisation du système comme par exemple lorsqu'une force de retenue est appliquée en même temps sur la poignée de commande. Ce basculement automatique de la position fermée à la position ouverte est principalement utilisé pour réaliser des fonctions de sécurité telles que l'arrêt d'urgence, la surcharge thermique, le défaut de différentiel, le court-circuit, etc.Independently of this normal operation (ie opening and closing of the cut-off devices by the user), the control system must be able to switch the cut-off pole (s) from the closed position to the open position without requiring the direct intervention of the user. 'a user, whatever the conditions use of the system such as when a holding force is applied at the same time on the control handle. This automatic tilting from the closed position to the open position is mainly used to perform safety functions such as emergency stop, thermal overload, differential fault, short circuit, etc.

Les systèmes de commande actuellement disponibles ne sont pas adaptés pour réaliser de manière fiable un basculement automatique de la position fermée à la position ouverte notamment parce qu'ils ne fournissent pas une énergie mécanique suffisante pour permettre l'actionnement d'appareils de coupure de puissance électrique ou qu'ils ne remplissent pas certains critères de sécurité importants comme le basculement indépendant des conditions d'utilisation ou une vitesse élevée dans la manoeuvre de basculement.The currently available control systems are not suitable for reliably performing an automatic tilting of the closed position to the open position in particular because they do not provide sufficient mechanical energy to enable the actuation of power cutoff devices or fail to meet certain important safety criteria such as independent switching of operating conditions or high speed in the tilting operation.

Objet et résumé de l'inventionObject and summary of the invention

La présente invention a pour but de proposer une nouvelle conception de système de commande qui permet d'assurer de manière prioritaire et fiable un basculement des pôles de coupure électrique entre la position fermée et la position ouverte.The object of the present invention is to propose a new control system design which makes it possible, in priority and reliable manner, to switch the electrical breaking poles between the closed position and the open position.

Ce but est atteint grâce à un système de commande à déclenchement pour un ou plusieurs pôles de coupure électrique selon la revendication 1. Le système comprend en particulier :

  • un mécanisme à accumulation comprenant une poignée de commande mobile entre une position de coupure et une position de fermeture,
  • une première bielle pivotante autour d'un premier point de rotation entre une première position et une deuxième position, et inversement, par actionnement de la poignée de commande du mécanisme à accumulation entre la position de coupure et la position de fermeture, et inversement,
  • une deuxième bielle pivotante autour d'un axe de rotation destiné à être relié à un ou plusieurs pôles de coupure, la deuxième bielle étant reliée à la première bielle par une liaison coulissante de sorte que le déplacement de la première bielle entre la première position et la deuxième position, respectivement entre la deuxième position et la première position, entraîne le pivotement de la deuxième bielle autour de l'axe de rotation entre une position d'ouverture du ou des pôles de coupure et une position de fermeture du ou des pôles de coupure, respectivement entre une position de fermeture du ou des pôles de coupure et une position d'ouverture du ou des pôles de coupure,
  • un mécanisme à déclenchement apte à libérer le premier point de rotation de la première bielle et à exercer une force de déplacement sur la première bielle au voisinage dudit premier point de rotation de manière à déplacer la première bielle entre la deuxième position et une troisième position lorsque ladite première bielle pivote autour d'un deuxième point de rotation, le déplacement de la première bielle entre la deuxième position et la troisième position entraînant un pivotement de la deuxième bielle autour de l'axe de rotation entre la position de fermeture du ou des pôles de coupure et la position d'ouverture du ou des pôles de coupure.
This object is achieved by means of a tripping control system for one or more electric breaking poles according to claim 1. The system comprises in particular:
  • an accumulation mechanism comprising a movable control handle between a cut-off position and a closed position,
  • a first connecting rod pivoting about a first point of rotation between a first position and a second position, and vice versa, by actuating the control handle of the accumulation mechanism between the cut-off position and the closed position, and conversely,
  • a second connecting rod pivoting about an axis of rotation intended to be connected to one or more breaking poles, the second connecting rod being connected to the first connecting rod by a sliding connection so that the displacement of the first link between the first position and the second position, respectively between the second position and the first position, causes the pivoting of the second connecting rod about the axis of rotation between an opening position of the cutoff pole or poles and a closing position of the breaking poles or poles respectively between a closed position of the at least one cut-off pole and an open position of the cut-off pole or poles,
  • a trigger mechanism adapted to release the first point of rotation of the first link and to exert a displacement force on the first link in the vicinity of said first point of rotation so as to move the first link between the second position and a third position when said first link pivots about a second point of rotation, the movement of the first link between the second position and the third position causing a pivoting of the second link about the axis of rotation between the closed position of the pole or poles cutoff and the opening position of the cutoff poles or poles.

En utilisant deux bielles à inversion de mouvement et en déplaçant le point de rotation de la première bielle en fonction du mouvement à effectuer, le déclenchement du basculement prioritaire vers la position ouverte peut être réalisé avec un bras de levier important qui amplifie l'effort transmis par le système de commande à déclenchement aux pôles de coupure, et ce sans perte d'énergie car le basculement de la première bielle est réalisé sans avoir à contrer la résistance du mécanisme à accumulation .By using two reversing rods and by moving the rotation point of the first rod according to the movement to be made, the triggering of the priority toggling to the open position can be achieved with a large lever that amplifies the effort transmitted by the triggering control system at the breaking poles, and without loss of energy because the tilting of the first link is achieved without having to counteract the resistance of the accumulation mechanism.

En outre, le basculement prioritaire dans la position ouverte est à « déclenchement libre » (ou « trip free »), c'est-à-dire qu'il peut être commandé indépendamment de toute influence mécanique extérieure et en particulier même si une force de retenue est appliquée sur la poignée de commande du système. Il n'est donc pas nécessaire de prévoir un débrayage de la commande manuel du système pour le déclenchement du basculement prioritaire vers la position ouverte.In addition, the priority tilting in the open position is "free trip" (or "trip free"), that is to say that it can be controlled independently of any external mechanical influence and in particular even if a force Retainer is applied to the control handle of the system. It is therefore not necessary to provide a disengagement of the manual control of the system for triggering the priority switch to the open position.

Selon un premier aspect du système de commande à déclenchement de l'invention, le mécanisme à accumulation est apte à libérer le deuxième point de rotation de la première bielle lorsque le premier point de rotation de ladite première bielle est libéré par le deuxième mécanisme à déclenchement de manière à entraîner le pivotement de la première bielle autour d'un troisième point de rotation correspondant à la liaison coulissante reliant la deuxième bielle à ladite première bielle lorsque la deuxième bielle arrive dans sa position ouverte, le pivotement de la première bielle autour du troisième point de rotation entraînant le déplacement de la poignée de commande dans une position intermédiaire entre la position de coupure et la position de fermeture de ladite poignée.According to a first aspect of the triggering control system of the invention, the accumulation mechanism is able to release the second point of rotation of the first link when the first point of rotation of said first link is released by the second trigger mechanism. in order to lead the pivoting of the first connecting rod around a third point of rotation corresponding to the sliding connection connecting the second connecting rod to said first connecting rod when the second connecting rod arrives in its open position, the pivoting of the first connecting rod around the third point of rotation resulting in the moving the control handle in an intermediate position between the cut position and the closed position of said handle.

Il est ainsi possible de placer le système de commande à déclenchement dans une position dite « déclenchée » et « décrochée » permettant à un utilisateur de constater, par simple inspection visuelle de la position de la poignée de commande, que l'ouverture prioritaire des pôles de coupure a été déclenchée.It is thus possible to place the triggering control system in a position called "triggered" and "unhooked" allowing a user to see, by a simple visual inspection of the position of the control handle, that the priority opening of the poles cutoff has been triggered.

Selon un mode de réalisation, le système de commande à déclenchement le mécanisme à accumulation comprend un chariot interne relié à la poignée de commande et un chariot externe relié à la première bielle, le système comprenant en outre un ressort de polarisation apte à déplacer les chariots interne et externe sur une courte distance lorsque le mécanisme à accumulation libère le deuxième point de rotation de la première bielle de manière à entraîner le pivotement de la première bielle autour du troisième point de rotation et le déplacement de la poignée de commande dans une position intermédiaire entre la position de coupure et la position de fermeture de ladite poignée, permettant ainsi de constater la position déclenchée du système par simple inspection visuelle de la position de la poignée de commande.According to one embodiment, the control system to trigger the accumulation mechanism comprises an internal carriage connected to the control handle and an external carriage connected to the first link, the system further comprising a bias spring adapted to move the carriages internal and external over a short distance when the accumulation mechanism releases the second point of rotation of the first rod so as to cause the pivoting of the first rod around the third point of rotation and the movement of the control handle in an intermediate position between the cut-off position and the closed position of said handle, thus making it possible to observe the triggered position of the system by simple visual inspection of the position of the control handle.

Selon un deuxième aspect du système de commande à déclenchement de l'invention, le premier mécanisme à accumulation comprend un premier ressort apte à exercer, après compression, une force sur la première bielle lors de son pivotement autour du premier point de rotation entre la première position et la deuxième position de ladite première bielle et inversement et en ce que le mécanisme de déclenchement comprend un deuxième ressort apte à exercer, après compression, une force sur la première bielle lors de son déplacement entre la deuxième position et la troisième position lorsque ladite première bielle pivote autour du deuxième point de rotation.According to a second aspect of the triggering control system of the invention, the first accumulation mechanism comprises a first spring able to exert, after compression, a force on the first connecting rod when it is pivoted around the first point of rotation between the first position and the second position of said first rod and vice versa and in that the triggering mechanism comprises a second spring adapted to exert, after compression, a force on the first connecting rod during its displacement between the second position and the third position when said first connecting rod pivots around the second point of rotation.

En utilisant un ressort dédié pour chacun des deux mécanismes, on assure une vitesse élevée dans le basculement entre la position ouverte et fermée, et inversement, ce qui est important pour assurer la sécurité dans la coupure de courant électrique.By using a dedicated spring for each of the two mechanisms, it ensures a high speed in the tilting between the position open and closed, and conversely, which is important to ensure safety in the power failure.

Le premier ressort et le deuxième ressort permettent d'obtenir des courbes de couple similaires, ce qui permet d'avoir des vitesses de déclenchement similaires dans les deux mécanismes et d'assurer ainsi la sécurité de la coupure dans toutes les situations.The first spring and the second spring make it possible to obtain similar torque curves, which makes it possible to have similar trigger speeds in both mechanisms and thus to ensure the safety of the cut in all situations.

Selon un troisième aspect du système de commande à déclenchement de l'invention, celui-ci comprend un moyen de commande manuel pour libérer le premier point de rotation de la première bielle.According to a third aspect of the trigger control system of the invention, the latter comprises manual control means for releasing the first point of rotation of the first link.

Selon un quatrième aspect du système de commande à déclenchement de l'invention, celui-ci comprend un moyen de commande électromécanique pour libérer le premier point de rotation de la première bielle.According to a fourth aspect of the tripping control system of the invention, it comprises an electromechanical control means for releasing the first point of rotation of the first link.

Qu'il soit manuel ou électromécanique, le moyen de commande requiert très peu d'énergie pour commander le basculement dans la position ouverte.Whether manual or electromechanical, the control means requires very little energy to control the tilting in the open position.

Selon un cinquième aspect du système de commande à déclenchement de l'invention, le mécanisme à accumulation comprend un chariot interne relié à la poignée de commande et un chariot externe relié à la première bielle, le chariot interne coulissant dans le chariot externe lors du déplacement de la poignée de commande entre la position de coupure et la position de fermeture, le premier ressort étant interposé entre le chariot interne et le chariot externe et en ce que le système de commande à déclenchement comprend un élément de verrouillage apte à verrouiller le chariot interne avec le chariot externe après le déplacement de la première bielle entre la deuxième position et la troisième position de manière à permettre le réarmement du deuxième ressort du mécanisme de déclenchement en évitant de comprimer le premier ressort.According to a fifth aspect of the triggering control system of the invention, the accumulation mechanism comprises an inner carriage connected to the control handle and an outer carriage connected to the first link, the inner carriage sliding in the outer carriage when moving. of the control handle between the cutoff position and the closed position, the first spring being interposed between the inner carriage and the outer carriage and in that the triggering control system comprises a locking element adapted to lock the inner carriage. with the external carriage after the movement of the first link between the second position and the third position so as to allow the resetting of the second spring of the trigger mechanism by avoiding compressing the first spring.

Il est ainsi possible de coupler ponctuellement les chariots interne et externe afin de permettre le réarmement du système. Seul le deuxième ressort du deuxième mécanisme à déclenchement est réarmé. L'effort de réarmement à appliquer est donc diminué grâce à la structure du système de commande à déclenchement de l'invention.It is thus possible to intermittently couple the inner and outer carriages to allow the rearming of the system. Only the second spring of the second trigger mechanism is reset. The resetting force to be applied is therefore reduced by the structure of the triggering control system of the invention.

La présente invention a également pour objet, un appareil e-de coupure électrique comprenant un ou plusieurs pôles de coupure électrique équipés d'un contacteur mobile, caractérisée en ce que ledit appareil comprend en outre un système de commande à déclenchement selon l'invention, un arbre de coupure reliant chaque contacteur mobile du ou des pôles de coupure à l'axe de rotation de la deuxième bielle.The subject of the present invention is also an e-electric breaking device comprising one or more electric breaking poles equipped with a movable contactor, characterized in that said apparatus further comprises a triggering control system according to the invention, a cutoff shaft connecting each movable contactor or cleavage poles to the axis of rotation of the second link.

Brève description des dessinsBrief description of the drawings

D'autres caractéristiques et avantages de l'invention ressortiront de la description suivante de modes particuliers de réalisation de l'invention, donnés à titre d'exemples non limitatifs, en référence aux dessins annexés, sur lesquels:

  • la figure 1A est une vue schématique montrant un système de commande à déclenchement dans une position de coupure conformément à un mode de réalisation de l'invention,
  • la figure 1B montre un contacteur mobile dans la position de coupure du système de la figure 1A,
  • la figure 2A est une vue schématique montrant un système de commande à déclenchement dans une position de fermeture conformément à un mode de réalisation de l'invention,
  • la figure 2B montre un contacteur mobile dans la position de fermeture du système de la figure 2A,
  • la figure 3A est une vue schématique montrant un système de commande à déclenchement dans une position de coupure déclenchée et décrochée conformément à un mode de réalisation de l'invention,
  • la figure 3B montre un contacteur mobile dans la position de coupure déclenchée du système de la figure 3A,
  • la figure 4 est une vue schématique en perspective éclatée du système de commande à déclenchement des figures 1A à 3A,
  • la figure 5 est une vue schématique en perspective éclatée du mécanisme à accumulation représenté sur la figure 4,
  • les figures 6 et 7 sont des vues en perspective du mécanisme à accumulation une fois monté,
  • la figure 8 est une vue schématique simplifiée montrant la position des première et deuxième bielles lorsque le système de commande à déclenchement est dans une position de coupure,
  • la figure 9 est une vue schématique simplifiée montrant la position des première et deuxième bielles lorsque le système de commande à déclenchement est actionné vers une position de fermeture,
  • la figure 10 est une vue en coupe du mécanisme à accumulation lorsque le système de commande à déclenchement est dans une position de coupure,
  • la figure 11 est une vue en coupe du mécanisme à accumulation lorsque la poignée de commande du système de commande à déclenchement est actionné vers une position de fermeture, avec le ressort du mécanisme à accumulation comprimé,
  • la figure 12 est une vue en coupe du mécanisme à accumulation lorsque le système de commande à déclenchement est dans une position de fermeture,
  • la figure 13 est une vue en coupe du mécanisme à accumulation lorsque la poignée de commande du système de commande à déclenchement est actionné vers une position d'ouverture, avec le ressort du mécanisme à accumulation comprimé,
  • la figure 14A est une vue schématique en perspective éclatée du mécanisme à déclenchement représenté sur la figure 4,
  • la figure 14B est une vue en perspective du mécanisme à déclenchement une fois monté,
  • la figure 15 est une vue schématique de côté montrant une partie des éléments constitutifs du système de commande à déclenchement des figures 1A à 3A lorsque celui-ci est dans une position de fermeture,
  • la figure 16 est une vue schématique de côté montrant une partie des éléments constitutifs du système de commande à déclenchement des figures 1A à 3A lorsque celui-ci est en début de déclenchement de coupure de sécurité,
  • la figure 17 est une vue schématique de côté montrant une partie des éléments constitutifs du système de commande à déclenchement des figures 1A à 3A lorsque celui-ci est dans une position de coupure déclenchée,
  • les figures 18 à 20 sont des vues schématiques simplifiées montrant la position des première et deuxième bielles du système de commande à déclenchement lorsque celui-ci se trouve respectivement dans une position de fermeture, de coupure déclenchée et de coupure déclenchée et décrochée,
  • la figure 21 est une vue schématique simplifiée montrant la position des premières et deuxièmes bielles lorsque le système de commande à déclenchement est dans une position de coupure déclenchée,
  • la figure 22 est une vue schématique montrant un système de commande à déclenchement dans une position de coupure conformément à un autre mode de réalisation de l'invention.
Other characteristics and advantages of the invention will emerge from the following description of particular embodiments of the invention, given by way of non-limiting examples, with reference to the appended drawings, in which:
  • the Figure 1A is a schematic view showing a trigger control system in an off position according to an embodiment of the invention,
  • the Figure 1B shows a movable contactor in the cutoff position of the system of the Figure 1A ,
  • the Figure 2A is a schematic view showing a triggering control system in a closed position according to an embodiment of the invention,
  • the Figure 2B shows a movable contactor in the closed position of the system of the Figure 2A ,
  • the figure 3A is a schematic view showing a tripping control system in an off-hook and off-hook position according to an embodiment of the invention,
  • the figure 3B shows a movable contactor in the triggered off position of the system of the figure 3A ,
  • the figure 4 is a schematic perspective exploded view of the control system triggering Figures 1A to 3A ,
  • the figure 5 is a diagrammatic perspective exploded view of the accumulation mechanism shown in FIG. figure 4 ,
  • the Figures 6 and 7 are perspective views of the accumulation mechanism once mounted,
  • the figure 8 is a simplified schematic view showing the position of the first and second links when the triggering control system is in an off position,
  • the figure 9 is a simplified schematic view showing the position of the first and second links when the triggering control system is actuated to a closed position,
  • the figure 10 is a sectional view of the accumulation mechanism when the tripping control system is in an off position,
  • the figure 11 is a sectional view of the accumulation mechanism when the control handle of the triggering control system is actuated to a closed position, with the spring of the compressed accumulation mechanism,
  • the figure 12 is a sectional view of the accumulation mechanism when the triggering control system is in a closed position,
  • the figure 13 is a sectional view of the accumulation mechanism when the control handle of the triggering control system is actuated to an open position, with the spring of the compressed accumulation mechanism,
  • the figure 14A is a schematic exploded perspective view of the trigger mechanism shown in FIG. figure 4 ,
  • the Figure 14B is a perspective view of the trigger mechanism once mounted,
  • the figure 15 is a schematic side view showing a part of the constituent elements of the triggering control system of Figures 1A to 3A when it is in a closed position,
  • the figure 16 is a schematic side view showing a part of the constituent elements of the triggering control system of Figures 1A to 3A when it is at the beginning of a safety cut-off,
  • the figure 17 is a schematic side view showing a part of the constituent elements of the triggering control system of Figures 1A to 3A when it is in a triggered off position,
  • the Figures 18 to 20 are simplified schematic views showing the position of the first and second links of the triggering control system when they are respectively in a closed, cut-off and cut-off and unplugged position,
  • the figure 21 is a simplified schematic view showing the position of the first and second links when the triggering control system is in a triggered off position,
  • the figure 22 is a schematic view showing a trigger control system in a break position in accordance with another embodiment of the invention.

Description détaillée d'un mode de réalisationDetailed description of an embodiment

La figure 1A illustre un appareil de coupure 1 conformément à un mode de réalisation de l'invention. Dans le mode de réalisation décrit ici, l'appareil 1 comprend un système de commande à déclenchement 100 conformément à un mode de réalisation et plusieurs pôles de coupure 10. Les pôles de coupure 10 correspondent à des dispositifs de coupure tels que des interrupteurs, commutateurs ou interrupteurs-sectionneurs à fusible. Comme illustré sur les figures 1A et 1B, chaque pôle de coupure 10 est relié au système de commande à déclenchement 100 par un arbre de coupure 101 qui est solidaire, d'une part, d'une bielle du système 100 décrite ci-après en détails, et, d'autre part, à chaque contacteur mobile des pôles de coupure correspondant ici à un jeu de contacts mobiles 11, l'arbre 101 constituant l'axe de rotation des contacts mobiles 11. La rotation de l'arbre 101 qui est commandée par le système 100 permet de déplacer les contacts mobiles 11 de chaque pôle de coupure entre une position d'ouverture (figure 1A) dans laquelle les contacts mobiles 11 sont placés à distance des contacts fixes 13 de l'appareil de coupure (figure 1B) et une position de fermeture (figure 2A) dans laquelle les contacts mobiles 11 sont en contact avec les contacts fixes 13 des pôles de coupure (figure 2B), et inversement. Dans le mode de réalisation décrit ici, la commande de l'ouverture et de la fermeture des pôles de coupure 10, et inversement, est réalisée au moyen d'une poignée de commande 102 mobile entre une première position représentée sur la figure 1A qui correspond à la position d'ouverture des pôles de coupure 10 et une deuxième position représentée sur la figure 2A qui correspond à la position de fermeture des pôles de coupure 10.The Figure 1A illustrates a switchgear 1 according to one embodiment of the invention. In the embodiment described here, the apparatus 1 comprises a trigger control system 100 in accordance with one embodiment and a plurality of cut-off poles 10. The cut-off poles 10 correspond to cut-off devices such as switches, switches or fuse switch disconnectors. As illustrated on Figures 1A and 1B each cut-off pole 10 is connected to the tripping control system 100 by a cut-off shaft 101 which is secured, on the one hand, to a connecting rod of the system 100 described hereinafter in detail, and, on the other hand at each movable contactor of the breaking poles corresponding here to a set of movable contacts 11, the shaft 101 constituting the axis of rotation of the movable contacts 11. The rotation of the shaft 101 which is controlled by the system 100 makes it possible to moving the movable contacts 11 of each breaking pole between an open position ( Figure 1A ) in which the movable contacts 11 are placed at a distance from the fixed contacts 13 of the switchgear ( Figure 1B ) and a closed position ( Figure 2A ) in which the movable contacts 11 are in contact with the fixed contacts 13 of the breaking poles ( Figure 2B ), and vice versa. In the embodiment described here, the control of the opening and closing of the breaking poles 10, and vice versa, is carried out by means of a control handle 102 movable between a first position represented on the Figure 1A which corresponds to the opening position of the breaking poles 10 and a second position represented on the Figure 2A which corresponds to the closing position of the breaking poles 10.

La figure 4 représente les différents éléments du système de commande à déclenchement 100 conformément à un mode de réalisation de l'invention. Le système 100 comprend :

  • un mécanisme à accumulation 200,
  • un mécanisme à déclenchement 300,
  • un module de commande de déclenchement 400,
  • un module de contacts auxiliaires 500,
  • une première bielle pivotante 600,
  • une deuxième bielle pivotante 700.
The figure 4 represents the various elements of the trigger control system 100 according to an embodiment of the invention. The system 100 includes:
  • a storage mechanism 200,
  • a trigger mechanism 300,
  • a trigger control module 400,
  • an auxiliary contact module 500,
  • a first pivoting rod 600,
  • a second pivoting rod 700.

Ces éléments sont assemblés les uns avec les autres et maintenus au moyens de deux joues en tôle 110 et 120.These elements are assembled with each other and maintained by means of two cheeks sheet 110 and 120.

Comme illustré sur la figure 5, le mécanisme à accumulation 200 comprend :

  • un chariot interne 210,
  • un chariot externe 220,
  • un ressort d'accumulation 230,
  • un guide de ressort 240,
  • des guides de chariots 250,
  • un renvoi d'angle 260,
  • un premier cliquet à bascule 270,
  • un deuxième cliquet à bascule 280.
As illustrated on the figure 5 the accumulation mechanism 200 comprises:
  • an internal carriage 210,
  • an external carriage 220,
  • an accumulation spring 230,
  • a spring guide 240,
  • trolley guides 250,
  • an angle gear 260,
  • a first ratchet 270,
  • a second rocker pawl 280.

Les chariots internes 210 et externe 220 sont montés de manière coulissante l'un par rapport à l'autre, les guides de chariots 250 dirigeant les glissements relatifs entre les deux chariots. Lors du montage du chariot interne 210 dans le chariot externe 220, le ressort d'accumulation 230 est interposé entre les deux chariots. Plus précisément, le ressort 230 est maintenu sur le guide ressort 240 qui est lui-même fixé sur deux pattes de fixation 221 et 222 respectivement présentes aux deux extrémités du chariot externe 220. Au repos, le ressort 230 s'étend entre les deux pattes 221 et 222 comme illustré sur la figure 10. Le chariot interne 210 comprend deux paires de pattes d'appui 211 et 212 chacune disposées respectivement de chaque côté des pattes 221 et 222 (figures 5, 6 et 7). Comme expliqué ci-après, les pattes d'appui 211 et 212 sont destinées à venir en butée sur une des extrémités du ressort 230 afin de comprimer celui-ci lors du déplacement du chariot interne dans le chariot externe lors des opération d'ouverture et/ou de fermeture des appareils de coupure 10. Le chariot interne 210 comprend dans sa partie supérieure des dentures de crémaillère 213 qui sont destinés à coopérer avec les pignons 261 de l'axe de commande 260. L'axe de commande 260 comprend également un logement 262 permettant de recevoir l'axe 1020 de la poignée 102.The inner carriages 210 and outer 220 are slidably mounted relative to each other, the carriage guides 250 directing the relative sliding between the two carriages. When mounting the internal carriage 210 in the external carriage 220, the storage spring 230 is interposed between the two carriages. More specifically, the spring 230 is held on the spring guide 240 which is itself fixed on two fixing lugs 221 and 222 respectively present at both ends of the external carriage 220. At rest, the spring 230 extends between the two legs 221 and 222 as illustrated on the figure 10 . The inner carriage 210 comprises two pairs of bearing lugs 211 and 212 each respectively disposed on each side of the lugs 221 and 222 ( figures 5 , 6 and 7 ). As explained below, the support legs 211 and 212 are intended to abut on one of the ends of the spring 230 to compress it during the displacement of the inner carriage in the external carriage during the opening and / or closing operations of the cutoff apparatus 10. The internal carriage 210 comprises in its upper part rack teeth 213 which are intended to cooperate with the pinions 261 of the control pin 260. The control pin 260 also comprises a housing 262 for receiving the axis 1020 of the handle 102.

Comme représenté sur la figure 4, la première bielle pivotante 600 comprend un bras 610 apte à pivoter autour d'un premier point de rotation P1 formé par un axe 611 qui est retenu par le deuxième mécanisme à déclenchement 300. Le bras 610 comporte en outre à son extrémité supérieure un axe 612 serti sur ladite extrémité supérieure et destiné à être engagé dans une lumière 201 ménagée dans le chariot externe 220. L'axe 612 constitue un deuxième point de rotation P2 autour duquel le bras de la bielle 600 peut pivoter lorsque l'axe 611 est libéré par le deuxième mécanisme à déclenchement comme expliqué en détails ci-après. Dans le mode de réalisation décrit ici, la bielle 600 comprend un deuxième bras 620 relié au premier bras 610 par un longeron 630. De manière symétrique, le deuxième bras est apte à pivoter, d'une part, autour du point de rotation P1 lorsque l'axe 611 est retenu par le deuxième mécanisme à déclenchement 300 et, d'autre part, autour du deuxième point de rotation P2 lorsque l'axe 611 est libéré par le deuxième mécanisme à déclenchement, le bras 620 comportant un axe 622 serti sur son extrémité supérieure et destiné à être engagé avec lumière 202 ménagée dans le chariot externe. La deuxième bielle pivotante 700 comprend un corps 701 comportant une lumière 720 destinée à recevoir une extrémité de l'arbre 101 permettant de commander l'ouverture et la fermeture des pôles de coupure 10. De manière à assurer l'entrainement en rotation de l'arbre 101, la lumière 720 comporte des créneaux 721 destinés à coopérer avec des dents 1010 présentes sur la surface externe de l'arbre 101 (figures 1B et 2B). Le centre 722 de la lumière 720 coïncide avec le centre 1011 de l'arbre 101. La deuxième bielle 700 comporte en outre un pion 710 présent sur le corps 701 dans une position décalée par rapport à la position de la lumière 720. Le pion 710 est destiné à être engagé dans une rainure oblongue 613 ménagée dans le bras 610 de la bielle 600 et à coulisser dans celle-ci lors des mouvements de la bielle 600 de manière à réaliser une liaison coulissante et articulée entre les bielles 600 et 700.As shown on the figure 4 , the first pivoting rod 600 comprises an arm 610 pivotable about a first point of rotation P1 formed by an axis 611 which is retained by the second trigger mechanism 300. The arm 610 further comprises at its upper end an axis 612 crimped on said upper end and intended to be engaged in a slot 201 formed in the external carriage 220. The axis 612 is a second point of rotation P2 around which the arm of the connecting rod 600 can pivot when the axis 611 is released by the second trigger mechanism as explained in detail below. In the embodiment described here, the connecting rod 600 comprises a second arm 620 connected to the first arm 610 by a spar 630. In a symmetrical manner, the second arm is able to pivot, on the one hand, about the point of rotation P1 when the axis 611 is retained by the second trigger mechanism 300 and, secondly, around the second point of rotation P2 when the axis 611 is released by the second trigger mechanism, the arm 620 having an axis 622 crimped on its upper end and intended to be engaged with light 202 formed in the outer carriage. The second pivoting rod 700 comprises a body 701 comprising a light 720 intended to receive an end of the shaft 101 for controlling the opening and closing of the breaking poles 10. In order to ensure the rotational drive of the 101, the light 720 comprises slots 721 intended to cooperate with teeth 1010 present on the outer surface of the shaft 101 (FIG. Figures 1B and 2B ). The center 722 of the light 720 coincides with the center 1011 of the shaft 101. The second link 700 further comprises a pin 710 present on the body 701 in a position offset from the position of the light 720. The pin 710 is intended to be engaged in an oblong groove 613 formed in the arm 610 of the connecting rod 600 and slide in it during the movements of the rod 600 so as to achieve a sliding connection and articulated between the rods 600 and 700.

La figure 8 montre les bielles 600 et 700 ainsi que le chariot externe 220 dans une position correspondant à la position d'ouverture des appareils de coupure telle que représentée sur les figures 1A et 1B. Sur la figure 9, le chariot externe 220 s'est déplacé dans le sens A, ce qui a entraîné le pivotement de la première bielle 600 autour du premier point de rotation P1 qui, elle-même, a entraîné le pivotement de la deuxième bielle 700 autour du centre 722 de la lumière 720 par coulissement du pion 710 dans la rainure oblongue 613, le centre 722 correspondant à l'axe de rotation de la deuxième bielle 700. Le pivotement de la bielle 700 provoque la rotation de l'arbre 101 (non représenté sur la figure 9) d'un angle suffisant pour permettre la fermeture des pôles de coupure comme représentée sur les figures 2A et 2B.The figure 8 shows the connecting rods 600 and 700 as well as the external carriage 220 in a position corresponding to the open position of the cutting apparatus as shown in FIGS. Figures 1A and 1B . On the figure 9 , the outer carriage 220 has moved in the direction A, which caused the pivoting of the first link 600 around the first point of rotation P1 which, itself, caused the pivoting of the second link 700 around the center 722 of the light 720 by sliding of the pin 710 in the oblong groove 613, the center 722 corresponding to the axis of rotation of the second rod 700. The pivoting of the rod 700 causes the rotation of the shaft 101 (not shown in FIG. the figure 9 ) at an angle sufficient to allow the closing of the breaking poles as shown on the Figures 2A and 2B .

On explique maintenant comment est commandé le déclenchement du mouvement du chariot externe entre la position d'ouverture et la position de fermeture des pôles de coupure et inversement.It is now explained how is triggered the movement of the external carriage between the open position and the closed position of the breaking poles and vice versa.

Les figures 10, 11 et 12 montrent les mouvements relatifs des chariots internes 210 et externe 220 permettant de passer de la position d'ouverture à la position de fermeture des pôles de coupure par déclenchement du mouvement du chariot externe. La figure 10 montre la position relative entre les chariots interne 210 et externe 220 correspondant à la position de la première bielle 600 et de la deuxième bielle 700 représentée sur la figure 8 (position d'ouverture des pôles de coupure). La figure 12 montre la position relative entre les chariots interne 210 et externe 220 correspondant à la position de la première bielle 600 et de la deuxième bielle 700 représentée sur la figure 9 (position de fermeture des pôles de coupure).The Figures 10, 11 and 12 show the relative movements of the inner carriages 210 and external 220 to move from the open position to the closed position of the breaking poles by triggering the movement of the external carriage. The figure 10 shows the relative position between the inner carriages 210 and outer 220 corresponding to the position of the first link 600 and the second connecting rod 700 shown in FIG. figure 8 (opening position of the breaking poles). The figure 12 shows the relative position between the inner carriages 210 and outer 220 corresponding to the position of the first link 600 and the second connecting rod 700 shown in FIG. figure 9 (closing position of the breaking poles).

Le premier cliquet à bascule 270 permet de bloquer de momentanément le déplacement du chariot externe 220 dans le sens A indiqué sur la figure 11 de manière à permettre, dans un premier temps, la compression du ressort d'accumulation 230 (figure 11) et, dans un deuxième temps, le déclenchement du mouvement du chariot externe 220 dans le sens A sous l'effet de l'action du ressort 230 (figure 12). Plus précisément, comme illustré sur la figure 10, lorsque le premier cliquet 270 est en position basse, il est en appui contre des rebords 223 ménagés dans la partie supérieure du chariot externe 220, ce qui permet de retenir le chariot externe. Le chariot interne 210 comprend dans sa partie supérieure deux rampes 214 qui sont destinées à soulever le premier cliquet à bascule 270 lors du déplacement du chariot interne 210 dans le sens A comme indiqué sur la figure 11 et à dégager progressivement le cliquet 270 des rebords 223 jusqu'à libérer le mouvement du chariot externe comme illustré sur la figure 12.The first latching pawl 270 makes it possible to momentarily block the movement of the external carriage 220 in the direction A indicated on the figure 11 so as to allow, as a first step, the compression of the accumulation spring 230 ( figure 11 ) and, in a second step, triggering the movement of the external carriage 220 in the direction A under the effect of the action of the spring 230 ( figure 12 ). More precisely as illustrated on the figure 10 when the first pawl 270 is in the low position, it bears against flanges 223 formed in the upper part of the external carriage 220, which makes it possible to retain the external carriage. The inner carriage 210 comprises in its upper part two ramps 214 which are intended to lift the first latch pawl 270 during the displacement of the inner carriage 210 in the direction A as indicated on FIG. figure 11 and gradually disengaging the pawl 270 from the flanges 223 to release the movement of the outer carriage as shown in FIG. figure 12 .

De la même manière, les figures 12, 13 et 10 montrent les mouvements relatifs des chariots interne et externe permettant de passer de la position de fermeture à la position d'ouverture des pôles de coupure par déclenchement du mouvement du chariot externe, la figure 10 montrant la position relative entre les chariots 210 et 220 correspondant à la position des bielles 600 et 700 représentée sur la figure 8 (position d'ouverture des pôles de coupure), la figure 12 montrant la position relative entre les chariots 210 et 220 correspondant à la position des bielles 600 et 700 représentée sur la figure 9 (position de fermeture des pôles de coupure).In the same way, Figures 12, 13 and 10 show the relative movements of the inner and outer trolleys to move from the closed position to the open position of the breaking poles by triggering the movement of the external carriage, the figure 10 showing the relative position between the carriages 210 and 220 corresponding to the position of the rods 600 and 700 shown in FIG. figure 8 (opening position of the breaking poles), the figure 12 showing the relative position between the carriages 210 and 220 corresponding to the position of the rods 600 and 700 shown in FIG. figure 9 (closing position of the breaking poles).

Le deuxième cliquet à bascule 280 est destiné à bloquer momentanément le déplacement du chariot externe 220 dans le sens B indiqué sur la figure 13 de manière à permettre, dans un premier temps, la compression du ressort d'accumulation 230 (figure 13) et, dans un deuxième temps, le déclenchement du mouvement du chariot externe 220 dans le sens B sous l'effet de l'action du ressort 230 (figure 10). Plus précisément, comme illustré sur la figure 12, lorsque le deuxième cliquet 280 est en position basse, il est en appui contre des rebords 224 ménagés dans la partie supérieure du chariot externe 220, ce qui permet de retenir le chariot externe. Le chariot interne 210 comprend dans sa partie supérieure deux rampes 215 qui sont destinées à soulever le premier cliquet à bascule 280 lors du déplacement du chariot interne 210 dans le sens B comme indiqué sur la figure 13 et à dégager progressivement le cliquet 280 des rebords 224 jusqu'à libérer le mouvement du chariot externe comme illustré sur la figure 10.The second rocker pawl 280 is intended to momentarily block the movement of the external slide 220 in the direction B indicated on the figure 13 so as to allow, as a first step, the compression of the accumulation spring 230 ( figure 13 ) and, in a second step, triggering the movement of the external carriage 220 in the direction B under the effect of the action of the spring 230 ( figure 10 ). More specifically, as illustrated on the figure 12 when the second pawl 280 is in the low position, it bears against flanges 224 formed in the upper part of the external carriage 220, which allows the external carriage to be retained. The inner carriage 210 comprises in its upper part two ramps 215 which are intended to lift the first rocker pawl 280 during the displacement of the inner carriage 210 in the direction B as indicated on FIG. figure 13 and gradually disengaging the pawl 280 from the flanges 224 until the movement of the outer carriage is released as shown in FIG. figure 10 .

Comme représenté sur les figures 14A et 14B, le mécanisme à déclenchement 300 comprend un crochet 310 apte à pivoter autour d'un axe 311 qui est maintenu dans une position fixe dans le système de commande à déclenchement 100. Dans le mode de réalisation décrit ici, le crochet 310 comprend des premier et deuxième bras 312 et 313 symétriques reliés entre eux et comprenant respectivement à une de leur extrémité un orifice 3122, 3132 dans lequel passe l'axe 311. Le mécanisme à déclenchement 300 comprend également un guide 320 sur lequel est monté un ressort 330, le ressort 330 étant en butée, d'une part, contre une première extrémité 321 du guide 320 via une rondelle 323 engagée avec le guide 320 et, d'autre part, contre un coulisseau 340. Le guide 320 est monté de manière pivotante par rapport au crochet 310, le guide 320 comprenant à cet effet un orifice 325 dans lequel passe l'axe 311. Le coulisseau 340 comprend un orifice traversant 341 dans lequel est engagé l'axe 611 de la bielle 600, l'axe 611 étant en outre logé dans une lumière oblongue 324 ménagée dans le guide 320 afin de ne pas gêner le déplacement du coulisseau 340 le long du guide 320. Le mécanisme à déclenchement 300 comprend encore un levier 350 qui est attaché de manière pivotante au 310 au moyen d'un axe 351 qui est introduit à la fois dans des orifices 3121 et 3131 ménagés respectivement dans les bras 312 et 313 du crochet 310 et dans un passage 352 ménagé dans le levier 350. L'axe 351 comporte dans sa partie centrale un accrochage de déclenchement 3150 qui, lorsqu'il est verrouillé permet de maintenir le crochet 310 dans sa potion représentée sur la figure 15.As shown on Figures 14A and 14B , the trigger mechanism 300 comprises a hook 310 adapted to pivot about a axis 311 which is held in a fixed position in the triggering control system 100. In the embodiment described here, the hook 310 comprises first and second symmetrical arms 312 and 313 interconnected and comprising respectively at one of their ends. an orifice 3122, 3132 in which the axis 311 passes. The triggering mechanism 300 also comprises a guide 320 on which is mounted a spring 330, the spring 330 being abutted, on the one hand, against a first end 321 of the guide 320 via a washer 323 engaged with the guide 320 and, secondly, against a slide 340. The guide 320 is pivotally mounted relative to the hook 310, the guide 320 comprising for this purpose an orifice 325 in which passes l 311. The slide 340 comprises a through hole 341 in which is engaged the axis 611 of the rod 600, the axis 611 being further housed in an oblong slot 324 formed in the guide 320 in order to not interfere with the movement of the slider 340 along the guide 320. The trigger mechanism 300 further comprises a lever 350 which is pivotally attached to the 310 by means of an axle 351 which is inserted into both ports 3121 and 3131 formed respectively in the arms 312 and 313 of the hook 310 and in a passage 352 formed in the lever 350. The axis 351 comprises in its central part a triggering catch 3150 which, when locked, allows the hook 310 to be held in position. his potion represented on the figure 15 .

Comme expliqué ci-après, le mécanisme à déclenchement est destiné à maintenir la bielle 600 dans une première position (figure 15) dans laquelle l'axe 611 est retenu par des rebords 3120 et 3130 présents respectivement sur les bras 312 et 313 du crochet 310. Dans cette première position, la bielle 600 est apte à pivoter autour du point de son premier point de rotation P1 tandis que le ressort 330 est maintenu en compression. L'axe 611 de la bielle 600 est libéré des rebords 3120 et 3130 lorsque le module de commande de déclenchement 400 exerce une force d'appui Fp sur le levier 350 afin de déverrouiller l'accrochage de déclenchement 3150, ce qui permet de faire descendre le crochet 310 par rapport à l'axe 611 et de permettre son désengagement des rebords 3120 et 3130.As explained below, the trigger mechanism is intended to keep the connecting rod 600 in a first position ( figure 15 ) in which the axis 611 is retained by flanges 3120 and 3130 present respectively on the arms 312 and 313 of the hook 310. In this first position, the connecting rod 600 is pivotable about the point of its first point of rotation P1 while that the spring 330 is kept in compression. The axis 611 of the connecting rod 600 is released from the flanges 3120 and 3130 when the trip control module 400 exerts a pressing force Fp on the lever 350 in order to unlock the triggering catch 3150, which makes it possible to lower the hook 310 relative to the axis 611 and allow its disengagement of the flanges 3120 and 3130.

Le ressort 330 applique un effort sur les rebords 3120 et 3130. Cet effort induit un couple de rotation antihoraire sur le crochet 310. L'accrochage de déclenchement 3510 produit sur le crochet 310 un couple de réaction opposé à celui généré par l'action du ressort 330 sur les rebords 3120 et 3130. Ainsi, le crochet 310 est maintenu en équilibre dans sa position de la figure 15 tant que l'accrochage 3510 est effectif, c'est-à-dire verrouillé. L'accrochage 3510 est dit « stable » pour minimiser l'effort Fp. Dès que l'accrochage 3510 est déverrouillé, le couple de réaction produit par ce dernier disparaît et entraîne la rotation du crochet 310.The spring 330 applies a force on the flanges 3120 and 3130. This force induces a counterclockwise torque on the hook 310. The triggering hook 3510 produces on the hook 310 a reaction torque opposite to that generated by the action of the spring 330 on the flanges 3120 and 3130. Thus, the hook 310 is kept in equilibrium in its position of the figure 15 as the hook 3510 is effective, that is to say locked. The attachment 3510 is said to be "stable" to minimize the effort Fp. As soon as the attachment 3510 is unlocked, the reaction torque produced by the latter disappears and causes the hook 310 to rotate.

Grâce à l'architecture du mécanisme de déclenchement, comprenant des bras de levier importants et deux accrochages en cascade, autorisant une grande démultiplication d'effort, la force d'appui Fp est très faible par rapport à l'effort du ressort 330. Cette caractéristique permet de diminuer la puissance mécanique que doit fournir le module de déclenchement 400. Dans cette deuxième position, la bielle 600 est apte à pivoter autour du point de rotation P2 sous l'effet de la poussée exercée par le ressort 330. Le module de commande de déclenchement 400 est ici formé d'un actionneur à bobine (non représenté) qui permet d'exercer une force d'appui sur le levier. Toutefois, tout autre type d'actionneur, électromécanique ou manuel, peut être utilisé pour exercer une force d'appui sur le levier 350.Thanks to the architecture of the trigger mechanism, comprising large lever arms and two cascading catches, allowing a large reduction of effort, the bearing force Fp is very low compared to the force of the spring 330. This feature makes it possible to reduce the mechanical power that the trigger module 400 must provide. In this second position, the connecting rod 600 is able to pivot about the point of rotation P2 under the effect of the thrust exerted by the spring 330. Trip control 400 is here formed of a coil actuator (not shown) which allows to exert a pressing force on the lever. However, any other type of actuator, electromechanical or manual, can be used to exert a pressing force on the lever 350.

On décrit maintenant l'opération consistant à déclencher automatiquement l'ouverture des pôles de coupure reliés au système de commande à déclenchement de l'invention, et ce indépendamment de la commande du système par la poignée de commande comme décrit précédemment. En d'autres termes, l'opération de déclenchement de l'ouverture des pôles de coupure décrite ici correspond à une fonction de sécurité (par exemple en cas d'arrêt d'urgence, surcharge thermique, défaut différentiel, court-circuit, etc.) qui peut être mise en oeuvre sans nécessiter l'intervention directe d'un opérateur.We will now describe the operation of automatically triggering the opening of the breaking poles connected to the triggering control system of the invention, independently of the control of the system by the control handle as described above. In other words, the opening operation of the opening of the breaking poles described here corresponds to a safety function (for example in case of emergency stop, thermal overload, differential fault, short circuit, etc. .) which can be implemented without requiring the direct intervention of an operator.

Pour une meilleure compréhension, la cinématique de l'opération de déclenchement du système de commande à déclenchement de l'invention permettant de forcer l'ouverture des pôles de coupure est notamment décrite en relation avec les figures 18 et 19 qui montrent de manière schématique les mouvements relatifs entre la première bielle 600, la deuxième bielle 700 et le mécanisme à déclenchement 300.For a better understanding, the kinematics of the triggering operation of the triggering control system of the invention for forcing the opening of the breaking poles is described in particular with respect to the Figures 18 and 19 which show schematically the relative movements between the first link 600, the second link 700 and the trigger mechanism 300.

L'opération de déclenchement est mise en oeuvre lorsque le système de commande à déclenchement se trouve dans la position illustrée en figure 18 qui correspond à:

  • la position de fermeture des pôles de coupure comme illustrée sur la figure 2B,
  • la position des bielles 600 et 700 comme illustrée sur la figure 9,
  • la position entre le chariot interne 210 et le chariot externe 220 comme illustrée sur la figure 12, et
  • la position du mécanisme à déclenchement 300 comme illustrée sur la figure 15.
The triggering operation is carried out when the triggering control system is in the position illustrated in FIG. figure 18 that corresponds to:
  • the closing position of the breaking poles as illustrated on the Figure 2B ,
  • the position of the rods 600 and 700 as illustrated on the figure 9 ,
  • the position between the inner carriage 210 and the outer carriage 220 as illustrated on the figure 12 , and
  • the position of the trigger mechanism 300 as illustrated on the figure 15 .

Comme décrit précédemment et comme illustré sur la figure 15, le déclenchement permettant de forcer l'ouverture des pôles de coupure est commandé par le module de commande de déclenchement 400 (non représenté sur la figure 15) qui exerce une force d'appui Fp sur le levier 350 qui est solidaire du crochet 310. La force d'appui Fp va permettre d'abaisser les bras 312 et 313 du crochet 310 du deuxième mécanisme à déclenchement 300 de sorte que les rebords 3120 et 3130 vont passer en dessous de l'axe 611. Une fois l'axe 611 libéré du crochet 310, le ressort 330 va pousser sur ledit axe via le coulisseau 340, ce qui entraîne le pivotement de la bielle 600 autour du deuxième point de rotation P2 comme illustré sur la figure 16. En suivant le pivotement de la bielle 600, le guide 320 va également pivoter vers le haut autour de l'axe 311.As previously described and as illustrated on the figure 15 , the trigger for forcing the opening of the breaking poles is controlled by the trigger control module 400 (not shown in FIG. figure 15 ) which exerts a bearing force Fp on the lever 350 which is integral with the hook 310. The support force Fp will allow to lower the arms 312 and 313 of the hook 310 of the second trigger mechanism 300 so that the flanges 3120 and 3130 will pass below the axis 611. Once the axis 611 released from the hook 310, the spring 330 will push on said axis via the slide 340, which causes the pivoting of the connecting rod 600 around the second point of rotation P2 as shown on the figure 16 . Following the pivoting of the connecting rod 600, the guide 320 will also pivot upwards about the axis 311.

A la fin de l'opération de déclenchement, c'est-à-dire lorsque le système de commande à déclenchement 100 se trouve dans la position dite « déclenchée », la bielle 600 se trouve dans la position telle que représentée sur les figures 17, 19 et 21. Le pivotement de la bielle 600 autour du deuxième point de rotation P2 permet de faire pivoter la bielle 700 autour du centre 722 de la lumière 720 par coulissement du pion 710 dans la rainure oblongue 613, la bielle 700 entraînant ainsi la rotation de l'arbre 101 solidaire de la lame 11 de chaque pôle de coupure de manière placer chaque pôle de coupure relié au système de commande à déclenchement dans la position d'ouverture comme illustrée sur la figure 1B.At the end of the triggering operation, that is to say when the triggering control system 100 is in the so-called "triggered" position, the connecting rod 600 is in the position as shown in FIG. figures 17 , 19 and 21 . The pivoting of the connecting rod 600 around the second point of rotation P2 makes it possible to turn the connecting rod 700 around the center 722 of the light 720 by sliding the pin 710 in the oblong groove 613, the connecting rod 700 thus causing the rotation of the shaft 101 integral with the blade 11 of each cutoff pole so as to place each cutoff pole connected to the triggering control system in the open position as illustrated on the Figure 1B .

De cette manière, le système de commande à déclenchement de l'invention peut à tout instant déclencher l'ouverture des pôles de coupure, et ce de manière fiable car le déclenchement complet, c'est-à-dire le pivotement suffisant de la bielle 700 pour permettre l'ouverture du ou des pôles de coupure reliés, est assuré dans toutes les conditions d'utilisation du système de commande à déclenchement comme par exemple lorsqu'une force de retenue est appliquée sur la poignée de commande.In this way, the tripping control system of the invention can at any time trigger the opening of the poles of cut, and this in a reliable way because the complete trigger, that is to say the sufficient pivoting of the connecting rod 700 to allow the opening of the connected breakpoint or poles, is ensured in all conditions of use of the system such as when a retaining force is applied to the control handle.

L'utilisation de bielles à inversion de mouvement dans le système de commande à déclenchement de l'invention permet notamment d'éviter :

  • d'avoir à lutter contre les efforts du ou des ressorts du mécanisme manuel d'ouverture/fermeture (ici le ressort 230) lors du déclenchement automatique de l'ouverture du ou des pôles de coupure,
  • de devoir débrayer la commande manuel par la poignée de commande, et
  • de devoir débrayer l'arrière du ou des ressorts du mécanisme manuel.
The use of reversing rods in the trigger control system of the invention makes it possible in particular to avoid:
  • to have to fight against the efforts of the spring or springs of the manual opening / closing mechanism (here the spring 230) when automatically triggering the opening of the poles or poles,
  • having to disengage the manual control by the control handle, and
  • to have to disengage the rear of the springs or the manual mechanism.

L'utilisation d'un ressort dédié pour l'ouverture/fermeture manuelle des pôles de coupure et d'un autre ressort dédié pour le déclenchement automatique de l'ouverture des pôles de coupure permet d'assurer une vitesse et une force d'actionnement élevées sur les organes des appareils de coupure que ce soit pour l'ouverture/fermeture manuelle ou pour le déclenchement automatique de l'ouverture des pôles de coupure.The use of a dedicated spring for manual opening / closing of the cut-off poles and another dedicated spring for the automatic opening of the cut-off poles ensures a speed and an actuating force. high on the devices of cut-off devices whether it is for the manual opening / closing or for the automatic opening of the opening of the breaking poles.

Selon un aspect particulier du système de commande à déclenchement, le ressort 230 du mécanisme à accumulation et le ressort 330 du mécanisme à déclenchement sont dimensionnés de manière à générer la même courbe de couple et, par conséquent, des vitesses similaires pour l'ouverture/fermeture manuelle et pour le déclenchement automatique de l'ouverture des pôles de coupure.According to a particular aspect of the triggering control system, the spring 230 of the accumulation mechanism and the spring 330 of the triggering mechanism are dimensioned to generate the same torque curve and, therefore, similar speeds for the opening. manual closing and for automatic tripping of the opening of the breaking poles.

De manière optionnelle mais avantageuse, le système de commande à déclenchement de l'invention peut être muni de moyens permettant de placer la poignée de commande dans une position particulière lorsque le système de commande à déclenchement 100 se trouve dans la position déclenchée. A cet effet, comme illustré sur les figures 14A et 14B, un poussoir 360 est monté sur un bras 326 du guide 320. Plus précisément, le poussoir 360 comprend deux pattes 361 et 362 reliées entre elles. Le poussoir 360 est en appui sur le bras 326 du guide 320 par l'intermédiaire d'une pièce de liaison 363 qui permet d'actionner les pattes 361 et 362 en direction du cliquet 280 (figure 15). Comme illustré sur la figure 16, lors du début de l'opération de déclenchement automatique de l'ouverture des pôles de coupure, le pivotement du guide 320 entraîne le déplacement vers le haut du poussoir 360. Les extrémités 3610 et 3620 respectivement des pattes 361 et 362 entrent alors en contact avec le cliquet 280 et poussent celui-ci vers le haut de manière à libérer le chariot externe 220.Optionally but advantageously, the trigger control system of the invention may be provided with means for placing the control handle in a particular position when the trigger control system 100 is in the triggered position. For this purpose, as illustrated in Figures 14A and 14B , a pusher 360 is mounted on an arm 326 of the guide 320. More specifically, the pusher 360 comprises two tabs 361 and 362 interconnected. The pusher 360 is supported on the arm 326 of the guide 320 by means of a connecting piece 363 which makes it possible to actuate the tabs 361 and 362 towards the pawl 280 (FIG. figure 15 ). As illustrated on the figure 16 at the start of the operation of automatically tripping the opening of the breaking poles, the pivoting of the guide 320 causes the upward movement of the pusher 360. The ends 3610 and 3620 respectively of the tabs 361 and 362 then come into contact with each other. with the pawl 280 and push it upwardly so as to release the external carriage 220.

Sous l'effet du ressort 510 qui est maintenu en compression lorsque le système de l'invention est placé dans la position de fermeture manuelle du ou des pôles de coupure comme illustré sur la figure 12, les chariots interne 210 et externe 220 vont se déplacer sur une courte distance (quelques millimètres par exemple) vers la position d'ouverture du ou des pôles de coupure ce qui entraîne, comme illustré sur les figures 3A et 17, un déplacement de la poignée de commande 102 dans une position intermédiaire, dite position « décrochée » située entre sa position d'ouverture (figure 1B) et sa position de fermeture (figure 2B). La position déclenchée du système de commande à déclenchement de l'invention peut être ainsi détectée par simple observation de la position décrochée de la poignée de commande.Under the effect of the spring 510 which is maintained in compression when the system of the invention is placed in the manual closing position of the cutoff poles or poles as shown in FIG. figure 12 the inner and outer carriages 210 210 will travel a short distance (a few millimeters for example) towards the open position of the cut-off pole or poles, which leads, as illustrated in FIGS. Figures 3A and 17 , a displacement of the control handle 102 in an intermediate position, called "unhooked" position situated between its open position ( Figure 1B ) and its closed position ( Figure 2B ). The triggered position of the trigger control system of the invention can thus be detected by simple observation of the unhooked position of the control handle.

Comme illustré sur les figures 14A et 14B, le système de commande à déclenchement de l'invention comprend en outre un verrou 370 fixé sur le bras 326 du guide 320. Lors du déclenchement automatique de l'ouverture du ou des pôles de coupure, le pivotement du guide 320 entraîne le basculement de la partie arrière 371 du verrou 370 vers le haut comme illustré sur les figures 16 et 17. A la fin de l'opération de déclenchement automatique de l'ouverture du ou des pôles de coupure, la partie arrière 371 verrouille les chariots interne 210 et externe 220 entre eux. Il est ainsi possible de réarmer le système après l'opération de déclenchement automatique.As illustrated on Figures 14A and 14B , the triggering control system of the invention further comprises a latch 370 fixed to the arm 326 of the guide 320. When automatically opening the opening or the cutoff poles, the pivoting of the guide 320 causes the tilting of the rear portion 371 of the latch 370 upward as shown in the figures 16 and 17 . At the end of the operation of automatically tripping the opening of the breaking poles or poles, the rear portion 371 locks the inner carriages 210 and outer 220 between them. It is thus possible to reset the system after the automatic trigger operation.

Comme illustré sur la figure 20, en tournant la poignée de commande dans le sens antihoraire depuis sa position déclenchée (figure 17), c'est-à-dire vers sa position d'ouverture (figure 1A), le déplacement du chariot externe (non représenté sur la figure 20) entraîne le pivotement de la première bielle 600 autour d'un troisième point de rotation P3 correspondant au pion 710 de la deuxième bielle 700 qui est engagé dans la rainure oblongue 613 ménagée dans le bras 610 de la première bielle 600. Cette action sur la poignée de commande permet de ramener le mécanisme manuel d'ouverture/fermeture du ou des pôles de coupure dans sa position d'ouverture (figures 1A, 1B, 8 et 10). Elle permet également de réarmer le ressort 330 du deuxième mécanisme de déclenchement 300 (figure 23).As illustrated on the figure 20 , by turning the control handle counterclockwise from its released position ( figure 17 ), that is to say towards its open position ( Figure 1A ), the displacement of the external carriage (not shown on the figure 20 ) causes the first connecting rod 600 to pivot about a third point of P3 rotation corresponding to the pin 710 of the second rod 700 which is engaged in the oblong groove 613 formed in the arm 610 of the first rod 600. This action on the control handle allows to bring back the manual opening / closing mechanism of or breaking poles in its open position ( Figures 1A, 1B , 8 and 10 ). It also makes it possible to reset the spring 330 of the second trigger mechanism 300 (FIG. 23).

Le système de commande à déclenchement décrit ci-avant peut en outre être placé de manière interposée entre des pôles de commande. La figure 22 illustre un appareil de coupure 40 comprenant un système de commande à déclenchement 50 identique au système 100 décrit précédemment. Des pôles de coupure 60 sont placés d'un côté du système 50 tandis que des pôles de coupure 70 sont placés de l'autre côté du système 100. Dans ce mode de réalisation, l'architecture symétrique de la bielle 600 décrite précédemment, c'est-à-dire une bielle comportant deux bras reliés entre eux, est avantageusement utilisée. En effet, les organes mobiles 63 des pôles de coupure 60 sont actionnés par le premier bras 610 de la bielle 600 via la bielle 700 (non représentées sur la figure 22) et un arbre de coupure 51 connecté à la fois à la bielle 700 (non représentée sur la figure 22) et aux organes mobiles 63. Les organes mobiles 73 des pôles de coupure 70 sont quant à eux actionnés par le deuxième bras 620 de la bielle 600 via une bielle identique à la bielle 700 en liaison coulissante avec le bras 620 (non représentées sur la figure 22) et un arbre de coupure 53 connecté à la fois à ladite bielle (non représentée sur la figure 22) et aux organes mobiles 73. Ainsi, les pôles de coupure 60 et 70 sont actionnés par un seul et même système de de commande à déclenchement.The triggering control system described above can also be placed interposed between control poles. The figure 22 illustrates a switchgear 40 comprising a trigger control system 50 identical to the system 100 described above. Cut-off poles 60 are placed on one side of the system 50 while cut-off poles 70 are placed on the other side of the system 100. In this embodiment, the symmetrical architecture of the rod 600 described above, c that is to say a rod having two arms interconnected, is advantageously used. Indeed, the movable members 63 of the breaking poles 60 are actuated by the first arm 610 of the connecting rod 600 via the connecting rod 700 (not shown in FIG. figure 22 ) and a cut-off shaft 51 connected to both the connecting rod 700 (not shown in FIG. figure 22 ) and the movable members 63. The movable members 73 of the cut-off poles 70 are in turn actuated by the second arm 620 of the connecting rod 600 via a connecting rod identical to the connecting rod 700 in sliding connection with the arm 620 (not shown in FIG. figure 22 ) and a cutoff shaft 53 connected to both said rod (not shown on the figure 22 ) and to the movable members 73. Thus, the breaking poles 60 and 70 are actuated by a single triggering control system.

Au vu des figures 18 à 20, l'homme du métier pourra envisager sans difficulté d'autres réalisations possibles du système à déclenchement de l'invention permettant de déclencher automatiquement la coupure suivant le principe de l'invention.In view of Figures 18 to 20 the person skilled in the art can easily envisage other possible embodiments of the trigger system of the invention for automatically triggering the cut according to the principle of the invention.

Claims (9)

  1. A trippable control system (100) for one or more electrical breaker poles (10), the system comprising:
    • an accumulator mechanism (200) presenting a control handle (102) movable between a breaker position and a closed position;
    • a first link (600) pivotable about a first pivot point (P1) between a first position and a second position, and vice versa, by actuating the control handle (102) of the accumulator mechanism (200) between the breaker position and the closed position, and vice versa;
    • a second link (700) pivotable about a pivot axis (722) for connecting to one or more breaker poles (10), the second link (700) including a peg (710) in a position that is offset from the pivot axis (722), the peg (710) being engaged in an oblong slot (613) present in the first link (600) so as to provide a sliding and hinged connection between the first and second links (600, 700) so that the movement of the first link (600) between the first position and the second position, or conversely between the second position and the first position, causes the second link (700) to pivot about the pivot axis (722) between a position for opening the breaker pole(s) (10) and a position for closing the breaker pole(s) (10), or conversely between a position for closing the breaker pole(s) (10) and a position for opening the breaker pole(s) (10); and
    • a trip mechanism (300) suitable for releasing the first pivot point (P1) of first link (600) and for exerting a movement force on the first link (600) in the vicinity of said first pivot point (P1) so as to move the first link between the second position and a third position when said first link pivots about a second pivot point (P2), the movement of the first link (600) between the second position and the third position causing the second link (700) to pivot about the pivot axis (722) between the position for closing the breaker pole(s) and the position for opening the breaker pole (10).
  2. A system according to claim 1, characterized in that the accumulator mechanism (200) is suitable for releasing the second pivot point (P2) of the first link (600) when the first pivot point (P1) of said first link is released by the trip mechanism (300) so as to drive pivoting of the first link (600) about a third pivot point (P3) corresponding to the sliding connection (710, 613) connecting the second link (700) to said first link (600), the pivoting of the first link (600) about the third pivot point (P3) causing the control handle (102) to move into an intermediate position between the breaking position and the closed position of said handle.
  3. A system according to claim 2, characterized in that the accumulator mechanism (200) comprises an inner carriage (210) connected to the control handle (102) and an outer carriage (220) connected to the first link (600), and in that it comprises a bias spring (510) suitable for moving the inner and outer carriages (210, 220) over a short distance when the accumulator mechanism (200) releases the second pivot point (P2) of the first link (600) in such a manner as to drive pivoting of the first link (600) about the third pivot point (P3) and movement of the control handle (102) into an intermediate position between the breaking position and the closed position of said handle.
  4. A system according to any one of claims 1 to 3, characterized in that the first accumulator mechanism (200) comprises a first spring (230) for exerting, when compressed, a force on the first link (600) as it pivots about the first pivot point (P1) between the first position and the second position of said first link (600), and vice versa, and in that the second trip mechanism (300) comprises a second spring (330) suitable, when compressed, for exerting a force on the first link (600) during its movement between the second position and the third position when said first link pivots about the second pivot point (P2).
  5. A system according to claim 4, characterized in that the first spring (230) and the second spring (330) are dimensioned so as to generate the same torque curve.
  6. A system according to any one of claims 1 to 5, characterized in that it comprises manual control means for releasing the first pivot point (P1) of the first link (600).
  7. A system according to any one of claims 1 to 5, characterized in that it comprises electromechanical control means (400) for releasing the first pivot point (P1) of the first link (600).
  8. A system according to claim 4 or claim 5, characterized in that the accumulator mechanism (200) comprises an inner carriage (210) connected to the control handle (102) and an outer carriage (220) connected to the first link (600), the inner carriage (210) sliding in the outer carriage (220) during the movement of the control handle (102) between the breaking position and the closed position, the first spring (230) being interposed between the inner carriage (210) and the outer carriage (220), and in that the trippable control system comprises a latch element (370) suitable for locking the inner carriage (210) with the outer carriage (220) after the movement of the first link (600) between the second position and the third position so as to enable the second spring (330) of the trip mechanism (300) to be reset without needing to compress the spring (230) of the first mechanism.
  9. Electrical breaker gear (1) comprising one or more electrical breaker poles (10) fitted with a movable contactor (11), characterized in that said gear further comprises a trippable control system (100) according to any one of claims 1 to 7, a breaker shaft (101) connecting each movable contactor (11) of the breaker pole(s) (10) to the pivot axis (722) of the second link (700) .
EP15804174.9A 2014-11-21 2015-11-19 Tripping control system for breaking pole and switchgear Active EP3221875B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1461281A FR3029009B1 (en) 2014-11-21 2014-11-21 TRIP CONTROL SYSTEM FOR BREAK POINT AND CUTTING APPARATUS
PCT/FR2015/053144 WO2016079444A1 (en) 2014-11-21 2015-11-19 Tripping control system for breaking pole and switchgear

Publications (2)

Publication Number Publication Date
EP3221875A1 EP3221875A1 (en) 2017-09-27
EP3221875B1 true EP3221875B1 (en) 2018-10-24

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EP15804174.9A Active EP3221875B1 (en) 2014-11-21 2015-11-19 Tripping control system for breaking pole and switchgear

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US (1) US10020142B2 (en)
EP (1) EP3221875B1 (en)
CN (1) CN107112170B (en)
ES (1) ES2699309T3 (en)
FR (1) FR3029009B1 (en)
WO (1) WO2016079444A1 (en)

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FR3033446B1 (en) * 2015-03-06 2017-03-31 Socomec Sa CUT POLE CONTROL SYSTEM WITH FORCING AND CUTTING APPARATUS
US11516899B2 (en) 2015-05-27 2022-11-29 Electro Industries/Gauge Tech Devices, systems and methods for electrical utility submetering
CN208014635U (en) * 2018-03-30 2018-10-26 Abb股份公司 Aftercurrent protecting equipment and buckle releaser
EP3561849B1 (en) * 2018-04-23 2023-03-08 ABB S.p.A. Circuit breaker
IT201800006224A1 (en) * 2018-06-12 2019-12-12 Four way switch
CN112768277B (en) * 2021-01-11 2023-07-04 嘉兴京硅智能技术有限公司 Intelligent breaker emergency stop device
CN118645409A (en) * 2021-10-18 2024-09-13 华为数字能源技术有限公司 Switches, power conversion devices and power supply systems

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Publication number Publication date
FR3029009A1 (en) 2016-05-27
ES2699309T3 (en) 2019-02-08
US20170271106A1 (en) 2017-09-21
CN107112170B (en) 2019-07-05
EP3221875A1 (en) 2017-09-27
US10020142B2 (en) 2018-07-10
FR3029009B1 (en) 2017-01-06
CN107112170A (en) 2017-08-29
WO2016079444A1 (en) 2016-05-26

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