EP2339606A1 - Electric line-protection lock mechanism with differential function - Google Patents
Electric line-protection lock mechanism with differential function Download PDFInfo
- Publication number
- EP2339606A1 EP2339606A1 EP09306325A EP09306325A EP2339606A1 EP 2339606 A1 EP2339606 A1 EP 2339606A1 EP 09306325 A EP09306325 A EP 09306325A EP 09306325 A EP09306325 A EP 09306325A EP 2339606 A1 EP2339606 A1 EP 2339606A1
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- EP
- European Patent Office
- Prior art keywords
- button
- slider
- slide
- locking mechanism
- pawl
- 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.)
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- 230000007246 mechanism Effects 0.000 title claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 62
- 230000002441 reversible effect Effects 0.000 claims abstract description 14
- 230000009466 transformation Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000006835 compression Effects 0.000 claims abstract description 5
- 238000007906 compression Methods 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 230000001960 triggered effect Effects 0.000 claims description 12
- 230000001131 transforming effect Effects 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012550 audit Methods 0.000 description 1
- 210000003323 beak Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- 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
- H01H71/58—Manual reset mechanisms which may be also used for manual release actuated by push-button, pull-knob, or slide
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- 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
- H01H83/20—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition
- H01H83/22—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages
- H01H83/226—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess current as well as by some other abnormal electrical condition the other condition being imbalance of two or more currents or voltages with differential transformer
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- 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
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0264—Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
- H01H71/0271—Mounting several complete assembled circuit breakers together
- H01H2071/0278—Mounting several complete assembled circuit breakers together with at least one of juxtaposed casings dedicated to an auxiliary device, e.g. for undervoltage or shunt trip
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- 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
- H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents
- H01H83/04—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents with testing means for indicating the ability of the switch or relay to function properly
Definitions
- the present invention relates to a lock mechanism for electrical apparatus for line protection with differential function associated with circuit breakers.
- Such a lock mechanism conventionally comprises a plunger electromagnet adapted to cause the triggering of the lock mechanism when the coil is traversed by a current in case of imbalance in the currents carried by the conductors of the lines to be protected.
- This imbalance is in a known manner measured by means of a torus constituting the magnetic circuit of a transformer of which said line conductors form the primary, an electrical signal indicating an imbalance - and consequently a leakage of current in the protected electrical installation - being obtained in a secondary coil around the torus.
- the imbalance signal occurring at the secondary is then conventionally sent to an actuator, where appropriate after passing through an electronic circuit ensuring a good shaping of the signal. It is this secondary signal, intended to trigger a resettable lock of the differential device itself connected to trigger mechanisms circuit breakers, which is found in the aforementioned electromagnet, which in this case is the actuator.
- the lock mechanism of the invention comprises a connecting shaft that can take two positions respectively reset and triggered, and echoing the triggering of said lock mechanism locks circuit breakers.
- This configuration is particularly advantageous because it offers a very short kinematic chain, involving a double transformation translation / rotation / translation, and it guarantees proper operation including allowing a reset of the lock regardless of the position of the slide, as one will see it in more detail later.
- the mechanical reversible transformation system of the conjugate movements of the button and the slide consists of an intermediate rotating plate pivoting relative to the housing between two stops and mechanically connected on the one hand to the button and on the other hand to the slide by a double link reversibly transforming the translational movement of the button into a rotary movement of said plate and the rotary movement of the latter into a translational movement of the slide via a trigger member rotatably connected to the slide.
- Said trigger member and the rotary ratchet comprise respective profiles provided with first portions of surfaces of a shape perpendicular to the movement of the slider allowing a first support in the direction of said displacement during the reset, in order to place an end of said pawl in the trajectory of the plunger, the displacement of which results in pivoting the pawl and releasing the support, causing the reverse movement of the slide and the button under the effect of their respective return means, the combined movement of the trigger member and of the intermediate plate leading to replace the first portions of surfaces facing each other.
- This configuration is particularly advantageous insofar as the rotating pawl and the trigger member are on the slide, which part moves in translation, and it is then easier to control their respective positions as well in the reset phase. Only in the tripping phase which ultimately involves a repositioning of one with respect to the other to allow the reset.
- the connection between the rotary ratchet and the trigger member must be potentially recoverable, the existence of said link then allowing the rearming of the lock. The breakage of this connection allows the return means to bring the lock in its triggered position, the movements of the various components must obviously allow to reset it regardless of the position of the slide.
- the profiles of the trigger member and the rotary ratchet comprise second portions of surfaces parallel to the displacement of the slider, allowing a second support in the direction of the displacement of the button at the end of the trip in order to reposition the first surface portions facing one another after said release, biasing means being positioned between the pawl and the slider to urge the pawl in the direction of the second support.
- the first portions of surfaces which stiffen the ratchet / trigger member connection by allowing the support are more or less distant so that resetting is always possible, as will be shown in more detail in the rest of the text.
- the existence of these second surface portions ensures a correct facing of these first surface portions regardless of their distance.
- the link reversibly transforming the translational movement of the slider in rotary motion of the plate consists of a first stud protruding from a first face of the plate, housed and guided in an oblong orifice of the triggered member substantially parallel to the movement of the button in the support position with the pawl, the rotary displacement of the first stud in the oblong orifice resulting in moving the trigger member to the pawl during the reinitialization with a view to pressure support of the first portions of surface and to separate them from each other after the movements caused by the trigger.
- the axis of the first pad of the intermediate plate and the pivot axis of the trigger member are located on a line substantially parallel to the direction of movement of the button when the slide is in abutment at the end of the triggering .
- the surface portions allowing the first support are then substantially in contact to allow the establishment of the rigid connection pawl / trigger member. There is no or almost no rotation when the latter is established. On the other hand, there is rotation in two opposite directions (see below) when there is triggering.
- the link reversibly transforming the translational movement of the knob into a rotary movement of the plate consists of a second stud protruding from the opposite face of the plate and housed on the one hand in an oblong hole of the button oriented parallel to the movement of the slider and passing through a semicircular slot of a wall integral with the housing, the ends of which constitute the stops of the movement of the button.
- the translational movement of the button is transformed, thanks to this double guidance, into a rotary movement of the aforementioned intermediate plate.
- This rotary movement is printed on the first stud which has been mentioned above, and communicated to the trigger member whose oblong orifice is maintained substantially in the axis of movement of the button when the link pawl / trigger member is established rigidly.
- the positioning of the slider is stable, and one of the ends of the pawl is then located under the plunger core of the electromagnet.
- a permanent magnet cooperates with the plunger to attract it in the absence of current in the coil, and return means of the core to the permanent magnet are provided to return said core in its reset position.
- these return means consist of a torsion spring with spiral central portion disposed around a journal integral with the housing and radially projecting from two end branches, one of the branches being placed in one housing of the slider and the other developing so as to intercept the trajectory of the movable core.
- the return means of the slider and the reset button are coil compression springs.
- the lock mechanism of the invention comprises a spacer provided with a median wall and a base on which the slide moves, the button being guided in translation in a chimney made in the medial wall, the end the button protruding from the chimney towards the base on a first side of the medial wall having a guiding oblong hole-a stud protruding from the rotating plate pivotally mounted against the opposite side of the wall by means of a pivot housed in a hole of said wall.
- Another stud protruding from the opposite face of said platen is inserted into an oblong orifice of the triggering member, said second stud traversing the oblong orifice towards the base during the reset, the axis of pivoting of said trigger member being located in the extension of the end of the oblong orifice located in the vicinity of the base and the profile ensuring the first and second supports being located in the vicinity of the opposite end of said oblong orifice.
- a return spring of the slide is integrated in a housing of the latter located near the base and exerts an action applied between the base and the stud inserted into the opening of the trigger member.
- This configuration makes it possible in particular to constitute the mechanical lock of the invention in the form of a compact and independent mechanical subassembly, positioned in the housing of each differential block.
- the spacer is indeed the support guaranteeing the position of all the components that have been reported so far, including for example the return means of the plunger core, the pin around which the spiral central portion of the torsion spring being a protrusion protruding from one side of the medial wall.
- the two plastic half-shells ensure only the maintenance of all parts on the spacer.
- the slider which is in fact guided in translation by the base of the spacer, may then comprise a lateral lug guided in a slot in the median wall, which controls a switch indicating the state of the lock.
- the slider controls with a second leg the switches of the electronic card.
- said side tab may have the function of switching such a component during its translational movement in said light.
- other switches can be actuated using a second tab, allowing the control (supply) of the electronic card attached to the differential tripping device.
- the lock mechanism of the invention has a possibility of mechanical triggering, by action on a particular button assigned to this function.
- a mechanical test button which exerts an action on a drive member pivotally mounted on the central wall of the spacer, one end of which actuates a mechanical test slide guided in said wall along a path of pace parallel to the movement of the reset button and is linked to the pawl to move it to break its mechanical connection with the trigger.
- the other end of the drive member is connected to the central wall and comprises return means of said member in the initial position also capable of returning the mechanical test button to its initial position.
- This button acts directly on the ratchet unlike the latter.
- the drive member consists of a pivot from which two arms develop, the end of one of them driving the mechanical test slider, the other having an elastic corrugated portion is ending with an annular end surrounding with freedom of rotation a stud protruding from the median wall.
- the elastic portion is biased to accumulate the mechanical energy resulting from the actuation of the button, it restores in the absence of action on the latter, resulting in recalling the drive member and the test slider mechanical in initialized position.
- the end driving the test slider comprises a stud disposed free in translation in a transverse groove of the mechanical test slider, transforming the complex movement of said stud into a translational movement of the slider.
- the mechanism of the invention can be constituted as an independent mechanical subassembly, arranged in a housing consisting of two assembled plastic half-shells which protrude from the connecting shaft (which is in direct contact with or via a transmission system with the locks of the associated circuit breakers, depending on their rating), the reset button and electrical connection wires.
- This housing can indeed be implanted in different product sizes, obeying different calibrations (125-160 A, 160-260 A and 400-630 A).
- the block supporting the lock mechanism of the invention comprises a spacer (1), itself consisting of a central wall (2) and a base (3) on which moves in translation a slide (4) in a path limited in one direction by a stop (5).
- a reset button (7) is guided in translation in a chimney (8) formed in the median wall (2) of the spacer (1).
- This button (7) can be actuated downwards, against return means consisting of a compression spring (30).
- the displacement in translation of the button (7) drives a rotating intermediate plate (9) provided with a stud (10) (see FIG. figure 2 ) disposed freely in an oblong hole (11) at the lower end of the reset button (7).
- the stud (10) moves in an opening (12) semi-circular arc formed in one of the faces of the chimney (8).
- the rotating plate (9) comprises, on its other face, that which is on the side of the slider (4), a second stud (13) which takes place in an oblong hole (14 ') formed in a trigger member (14).
- This trigger member (14) comprises, at its upper end, a spout (15) providing a double support for a notch (31) of a pawl (16) rotatably mounted via a pivot (17) on the slider (4).
- the trigger member (14) is also rotatably mounted via a pivot (18) on said slide (4).
- a return spring (6) urges the pawl (16) clockwise.
- return means (19) push back the slide (4) in contact with the stop (5) (see FIG. figure 3 ).
- An actuator (20) is arranged parallel to the reset button (7) in the middle wall of the spacer (1). It is in fact an electromagnet whose coil (21) surrounds a plunger core (22) which moves downwards in the event of imbalance in the currents of the conductors of the lines to be protected, that is to say when their sum is different from zero. This movement is made against a branch (23a) of a reset spring (23) whose other leg (23b) is connected to the slide (4).
- a permanent magnet (not shown) allows maintain the plunger core (22) in its rest position in the absence of defects in the protected lines.
- the slider (4) carries a connecting shaft (24) provided for triggering the attached circuit breaker locks, directly or via a linkage transmission system, in case of differential fault on the lines. It therefore exceeds the differential release device housing to cooperate with the contiguous circuit breakers.
- the translation of the slider (4) allows, as already mentioned, the actuation of several microswitches, for example for the power supply of the electronic cards, as well as for the display of the state of the lock (army or unarmed).
- the tab (28 ') is provided to cause, in the reset phase, the switching of a microswitch (27) reflecting the position of the slider (4).
- the tab (28) protruding from the slider (4) and movable in the window (29) makes it possible to actuate a switch indicating the state of the lock (see FIG. figure 2 ).
- the operation of the invention is as follows: when the user presses the reset button (7) against the spring (30) to reset the product, the turntable (9) is driven via the stud (10) in the oblong hole (11) (see figure 2 ).
- This plate (9) is pivotally connected to the median wall (2) of the spacer (1), and the transformation of the translational movement into a rotary movement is enabled by the particular connection stud (10) / oblong hole (11) supra.
- the stud (13) integral with the plate (9) housed in the oblong orifice (14 ') urges the trigger member (14) towards the right of the figure as it traverses the oblong orifice (14 '), as shown in FIG.
- the reset button (7) exerts meanwhile - via its return means (30) in the triggered position, ie in the up position with reference to the figures - a force on the rotating plate (9) generating a torque that is exercised in the opposite direction, that is to say in the direction of clockwise since it is exerted to the left of said pivot axis of the plate (9).
- the turntable (9) is held in a low position, c that is with the stud (13) at the bottom of the oblong hole (14 ') of the trigger member (14) as illustrated in FIG. figure 1b .
- the reset button (7) is also maintained in the low position, and the slider (4) is in the reset position, in this case to the left of the figure. In this position, the lock mechanism of the invention is armed, and the differential block is therefore ready to play its role.
- the contact (27) has changed position relative to the figure 1a .
- the actuator (20) is controlled by the electronic cards, so that the plunger (22) descends towards the slide (4). This movement is effected against the resetting spring (23), at least in its terminal phase, represented by figure 1c .
- the plunger core (22) strikes one of the ends (the left end on the figure 1c ) of the rotary pawl (16), causing its rotation counterclockwise against the spring (6).
- the spring (19) of the slider (4) then urges said slider (4) to the right of the figure 1c .
- the mechanism for transforming translative movements into rotational movements is exerted in the opposite direction, due to the release of energy from the spring (19) on the one hand and - in a second time - under the action of the return means ( 30) of the reset button (7) on the other hand.
- the trigger member (14) pivots about the pivot (18) first in a counter-clockwise direction (see FIG.
- the pawl (16) is urged in rotation in the direction of clockwise, because actuated by its return spring (6) supported by one of its branches on the slide (4), so as to restore the double support connection between the spout (15) and the pawl (16) when the spout (15) has exceeded the notch of the pawl (16).
- the resetting spring (23) is compressed by the housing via the branch 23b due to the movement to the right of the slider (4) (see FIG. Figures 1e to 1g ), and it pivots so that its branch (23a) in contact with the plunger (22) moves the latter upwards towards the permanent magnet provided to maintain it in the rest position. Furthermore, the connecting shaft (24) secured to the slider has been moved in translation to the right of the figure, it has a direct or indirect action on the locks associated circuit breakers, which trigger. The arm (25) returns to its initial position, and reverses the contact (27) by means of the spring (26).
- the lock is now in the triggered position, the bearing surfaces of the spout (15) and the notch (31) repositioned to allow rearming.
- a mechanical test button exerts an action symbolized by the arrow F on a drive member (40) pivotally mounted about a pin (41) on the central wall (2) of the spacer (1 ), shown in rear view but without the reset button (7) for explanatory purposes.
- the end of the stud-shaped arm (42) actuates a mechanical test slide (44) guided in said wall (2) along a parallel path when the reset button (7) is moved.
- a point connection is established between the pawl (16) and the slider (44) to trigger the lock, when said slider (44) rises under the effect of the rotation of the drive member (40). subjected to the action F.
- the connection between the arm (43) and the slider (44) takes the form of a stud (42) disposed freely in translation in a groove (46) transverse of said test slider mechanical (44).
- the other end of the driving member (40) is fixed with a degree of freedom in rotation relative to the medial wall (2), by means of a ring placed at the end (47) of the arm ( 45) and surrounding a stud (48) protruding from the medial wall (2).
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
Abstract
Description
La présente invention a trait à un mécanisme de serrure pour appareil électrique de protection de ligne à fonction différentielle associé à des disjoncteurs.The present invention relates to a lock mechanism for electrical apparatus for line protection with differential function associated with circuit breakers.
Un tel mécanisme de serrure comporte classiquement un électro-aimant à noyau plongeur apte à provoquer le déclenchement du mécanisme de serrure lorsque la bobine est parcourue par un courant en cas de déséquilibre dans les courants véhiculés par les conducteurs des lignes à protéger. Ce déséquilibre est de manière connue mesuré au moyen d'un tore constituant le circuit magnétique d'un transformateur dont lesdits conducteurs de ligne forment le primaire, un signal électrique indiquant un déséquilibre - et par conséquent une fuite de courant dans l'installation électrique protégée - étant obtenu dans un secondaire bobiné autour du tore. Le signal de déséquilibre apparaissant au secondaire est ensuite classiquement envoyé à un actionneur, le cas échéant après passage dans un circuit électronique assurant une bonne mise en forme du signal. C'est ce signal de secondaire, prévu pour faire déclencher une serrure réarmable du dispositif différentiel elle-même reliée à des mécanismes de déclenchement de disjoncteurs, qui se retrouve dans l'électroaimant précité, lequel constitue en l'espèce l'actionneur.Such a lock mechanism conventionally comprises a plunger electromagnet adapted to cause the triggering of the lock mechanism when the coil is traversed by a current in case of imbalance in the currents carried by the conductors of the lines to be protected. This imbalance is in a known manner measured by means of a torus constituting the magnetic circuit of a transformer of which said line conductors form the primary, an electrical signal indicating an imbalance - and consequently a leakage of current in the protected electrical installation - being obtained in a secondary coil around the torus. The imbalance signal occurring at the secondary is then conventionally sent to an actuator, where appropriate after passing through an electronic circuit ensuring a good shaping of the signal. It is this secondary signal, intended to trigger a resettable lock of the differential device itself connected to trigger mechanisms circuit breakers, which is found in the aforementioned electromagnet, which in this case is the actuator.
Le mécanisme de serrure de l'invention comporte un arbre de liaison pouvant prendre deux positions respectivement réinitialisée et déclenchée, et répercutant le déclenchement dudit mécanisme de serrure aux serrures des disjoncteurs.The lock mechanism of the invention comprises a connecting shaft that can take two positions respectively reset and triggered, and echoing the triggering of said lock mechanism locks circuit breakers.
Enfin, il comporte un bouton de réinitialisation de mécanisme, déplaçable entre deux positions stables respectivement réinitialisée et déclenchée, et coulissant à l'encontre de moyens de rappel lors de la réinitialisation.Finally, it comprises a mechanism reset button, movable between two stable positions respectively reset and triggered, and sliding against biasing means during the reset.
Le mécanisme de serrure selon l'invention se caractérise en particulier en ce que :
- le bouton de réinitialisation et le noyau plongeur sont animés d'un mouvement de translation parallèle, et sont disposés en vue de provoquer le déplacement d'un coulisseau portant l'arbre de liaison en translation respectivement selon deux sens opposés et dans une direction perpendiculaire à la direction de leur déplacement ;
- un cliquet est relié à rotation audit coulisseau via un élément ressort le sollicitant pour établir une liaison avec un système mécanique de transformation réversible des déplacements translatifs du bouton et du coulisseau, ladite liaison conduisant à un déplacement du coulisseau à l'encontre de moyens de rappel lors du déplacement du bouton vers sa position réinitialisée ;
- le noyau plongeur agit sur le cliquet lors du déclenchement pour briser ladite liaison, provoquant d'une part le déplacement inverse du coulisseau sollicité par lesdits moyens de rappel vers une butée et d'autre part le retour en position déclenchée du bouton sous l'effet de ses moyens de rappel ;
- le déplacement inverse du coulisseau et le retour en position déclenché du bouton conduisent à remettre le système mécanique de transformation réversible dans une position permettant de réactiver la liaison avec le cliquet.
- the reset button and the plunger are moved in a parallel translational movement, and are arranged to cause the displacement of a slide bearing the translation shaft in translation respectively in two opposite directions and in a direction perpendicular to the direction of their movement;
- a pawl is rotatably connected to said slider via a spring element urging it to establish a connection with a reversible transformation mechanical system of the translational movements of the button and the slider, said connection leading to a displacement of the slider against biasing means when the button is moved to its reset position;
- the plunger acts on the pawl during the trigger to break said connection, causing on the one hand the reverse movement of the slide urged by said biasing means towards a stop and on the other hand the return to the triggered position of the button under the effect his recall means;
- the reverse movement of the slider and the return to the triggered position of the button lead to put the mechanical reversible transformation system in a position to reactivate the connection with the pawl.
Cette configuration est notamment très avantageuse car elle offre une chaîne cinématique très courte, faisant intervenir une double transformation translation / rotation / translation, et elle garantie un fonctionnement correct notamment en permettant un réarmement de la serrure quelle que soit la position du coulisseau, comme on le verra plus en détail dans la suite.This configuration is particularly advantageous because it offers a very short kinematic chain, involving a double transformation translation / rotation / translation, and it guarantees proper operation including allowing a reset of the lock regardless of the position of the slide, as one will see it in more detail later.
Plus précisément, le système mécanique de transformation réversible des déplacements conjugués du bouton et du coulisseau est constitué d'une platine rotative intermédiaire pivotant par rapport au boîtier entre deux butées et reliée mécaniquement d'une part au bouton et d'autre part au coulisseau par une double liaison transformant de manière réversible le mouvement translatif du bouton en un mouvement rotatif de ladite platine et le mouvement rotatif de cette dernière en un déplacement translatif du coulisseau via un organe déclencheur lié en rotation au coulisseau. Ledit organe déclencheur et le cliquet rotatif comportent des profils respectifs munis de premières portions de surfaces d'allure perpendiculaire au déplacement du coulisseau permettant un premier appui dans la direction dudit déplacement au cours de la réinitialisation, en vue de placer une extrémité dudit cliquet dans la trajectoire du noyau plongeur, dont le déplacement aboutit à faire pivoter le cliquet et à libérer l'appui, provoquant le déplacement inverse du coulisseau et du bouton sous l'effet de leurs moyens de rappel respectifs, le déplacement combiné de l'organe déclencheur et de la platine intermédiaire aboutissant à replacer les premières portions de surfaces l'une en face de l'autre.More specifically, the mechanical reversible transformation system of the conjugate movements of the button and the slide consists of an intermediate rotating plate pivoting relative to the housing between two stops and mechanically connected on the one hand to the button and on the other hand to the slide by a double link reversibly transforming the translational movement of the button into a rotary movement of said plate and the rotary movement of the latter into a translational movement of the slide via a trigger member rotatably connected to the slide. Said trigger member and the rotary ratchet comprise respective profiles provided with first portions of surfaces of a shape perpendicular to the movement of the slider allowing a first support in the direction of said displacement during the reset, in order to place an end of said pawl in the trajectory of the plunger, the displacement of which results in pivoting the pawl and releasing the support, causing the reverse movement of the slide and the button under the effect of their respective return means, the combined movement of the trigger member and of the intermediate plate leading to replace the first portions of surfaces facing each other.
Cette configuration est particulièrement avantageuse dans la mesure où le cliquet rotatif et l'organe déclencheur se trouvent sur le coulisseau, pièce qui se déplace en translation, et qu'il est alors plus aisé de bien maîtriser leurs positions respectives autant dans la phase de réinitialisation que dans la phase de déclenchement qui implique in fine une remise en position de l'une par rapport à l'autre pour permettre la réinitialisation. En fait, lorsque le coulisseau revient vers sa butée lors du déclenchement, la liaison entre le cliquet rotatif et l'organe déclencheur doit être potentiellement rétablissable, l'existence de ladite liaison permettant ensuite le réarmement de la serrure. La rupture de cette liaison permet aux moyens de rappel de ramener la serrure dans sa position déclenchée, les déplacements des divers composant devant évidemment permettre de la réarmer quelle que soit la position du coulisseau.This configuration is particularly advantageous insofar as the rotating pawl and the trigger member are on the slide, which part moves in translation, and it is then easier to control their respective positions as well in the reset phase. only in the tripping phase which ultimately involves a repositioning of one with respect to the other to allow the reset. In fact, when the slide returns to its stop during the trip, the connection between the rotary ratchet and the trigger member must be potentially recoverable, the existence of said link then allowing the rearming of the lock. The breakage of this connection allows the return means to bring the lock in its triggered position, the movements of the various components must obviously allow to reset it regardless of the position of the slide.
Selon une configuration possible, les profils de l'organe déclencheur et du cliquet rotatifs comportent des secondes portions de surfaces d'allure parallèle au déplacement du coulisseau, permettant un second appui dans la direction du déplacement du bouton en fin de déclenchement afin de repositionner les première portions de surface en regard l'une de l'autre à l'issue dudit déclenchement, des moyens de rappel étant positionnés entre le cliquet et le coulisseau pour solliciter le cliquet dans le sens du second appui.According to a possible configuration, the profiles of the trigger member and the rotary ratchet comprise second portions of surfaces parallel to the displacement of the slider, allowing a second support in the direction of the displacement of the button at the end of the trip in order to reposition the first surface portions facing one another after said release, biasing means being positioned between the pawl and the slider to urge the pawl in the direction of the second support.
Selon le cas, notamment lorsque le coulisseau ne revient pas en butée, les premières portions de surfaces qui rigidifient la liaison cliquet/organe déclencheur en permettant l'appui sont plus ou moins éloignées de sorte que le réarmement soit toujours possible, comme cela sera montré de façon plus détaillée dans la suite du texte. L'existence de ces secondes portions de surface garantit une mise en face correcte de ces premières portions de surface quel que soit leur éloignement.As the case may be, especially when the slider does not come back into abutment, the first portions of surfaces which stiffen the ratchet / trigger member connection by allowing the support are more or less distant so that resetting is always possible, as will be shown in more detail in the rest of the text. The existence of these second surface portions ensures a correct facing of these first surface portions regardless of their distance.
Plus précisément, la liaison transformant de manière réversible le mouvement translatif du coulisseau en mouvement rotatif de la platine est constituée d'un premier plot dépassant d'une première face de la platine, logé et guidé dans un orifice oblong de l'organe déclencheur orienté sensiblement parallèlement au déplacement du bouton en position d'appui avec le cliquet, le déplacement rotatif du premier plot dans l'orifice oblong aboutissant à déplacer l'organe déclencheur vers le cliquet lors de la réinitialisation en vue d'un appui en pression des premières portions de surface et à écarter ces dernière l'une de l'autre à l'issue des déplacements provoqués par le déclenchement.More specifically, the link reversibly transforming the translational movement of the slider in rotary motion of the plate consists of a first stud protruding from a first face of the plate, housed and guided in an oblong orifice of the triggered member substantially parallel to the movement of the button in the support position with the pawl, the rotary displacement of the first stud in the oblong orifice resulting in moving the trigger member to the pawl during the reinitialization with a view to pressure support of the first portions of surface and to separate them from each other after the movements caused by the trigger.
Selon l'invention, l'axe du premier plot de la platine intermédiaire et l'axe de pivotement de l'organe déclencheur sont situés sur une ligne sensiblement parallèle à la direction de déplacement du bouton lorsque le coulisseau est en butée en fin de déclenchement. Les portions de surface permettant le premier appui sont alors pratiquement au contact pour permettre l'établissement de la liaison rigide cliquet/organe déclencheur. Il n'y a pas ou pratiquement pas de rotation lorsque cette dernière est établie. En revanche, il y a rotation dans deux sens opposés (voir ci-après) lorsqu'il y a déclenchement. Lorsque le coulisseau ne revient pas jusqu'à sa butée, le retour en butée de la platine rotative sous l'effet des moyens de rappel du bouton conduit à conférer une orientation inclinée à l'orifice oblong de l'organe déclencheur, et par conséquent à éloigner lesdites surfaces apte à réaliser le premier appui.According to the invention, the axis of the first pad of the intermediate plate and the pivot axis of the trigger member are located on a line substantially parallel to the direction of movement of the button when the slide is in abutment at the end of the triggering . The surface portions allowing the first support are then substantially in contact to allow the establishment of the rigid connection pawl / trigger member. There is no or almost no rotation when the latter is established. On the other hand, there is rotation in two opposite directions (see below) when there is triggering. When the slide does not return to its stop, the return to abutment of the turntable under the effect of the button return means leads to confer an inclined orientation to the oblong orifice of the organ trigger, and therefore to remove said surfaces capable of performing the first support.
La liaison transformant de manière réversible le mouvement translatif du bouton en un mouvement rotatif de la platine est constitué d'un second plot dépassant de la face opposée de la platine et logé d'une part dans un orifice oblong du bouton orienté parallèlement au déplacement du coulisseau et traversant d'autre part une fente semi-circulaire d'une paroi solidaire du boîtier, dont les extrémités constituent les butées du mouvement du bouton. Le déplacement translatif du bouton est transformé, grâce à ce double guidage, en un mouvement rotatif de la platine intermédiaire précitée. Ce mouvement rotatif est imprimé au premier plot dont il a été fait état ci-dessus, et communiqué à l'organe déclencheur dont l'orifice oblong est maintenu sensiblement dans l'axe du déplacement du bouton lorsque la liaison cliquet/organe déclencheur est établie rigidement.The link reversibly transforming the translational movement of the knob into a rotary movement of the plate consists of a second stud protruding from the opposite face of the plate and housed on the one hand in an oblong hole of the button oriented parallel to the movement of the slider and passing through a semicircular slot of a wall integral with the housing, the ends of which constitute the stops of the movement of the button. The translational movement of the button is transformed, thanks to this double guidance, into a rotary movement of the aforementioned intermediate plate. This rotary movement is printed on the first stud which has been mentioned above, and communicated to the trigger member whose oblong orifice is maintained substantially in the axis of movement of the button when the link pawl / trigger member is established rigidly.
Pour assurer le fonctionnement, en position finale de réinitialisation en fin de pivotement de la platine intermédiaire, les couples exercés respectivement par les moyens de rappel de l'ensemble coulisseau/cliquet/organe déclencheur et du bouton sur la platine intermédiaire s'exercent en sens inverse l'un de l'autre, le couple généré par l'ensemble coulisseau étant supérieur au couple généré par les moyens de rappel du bouton. Cela n'est bien entendu vrai que dans l'hypothèse où la liaison cliquet/organe déclencheur est établie rigidement, c'est à dire lorsque la serrure est réarmée.To ensure operation, in final reset position at the end of pivoting of the intermediate plate, the torques respectively exerted by the return means of the slide assembly / pawl / trigger member and the button on the intermediate plate are exerted in the direction inverse of each other, the torque generated by the slide assembly being greater than the torque generated by the button return means. This is of course true only in the event that the link pawl / trigger member is established rigidly, that is to say when the lock is reset.
Le positionnement du coulisseau est stable, et l'une des extrémités du cliquet est alors située sous le noyau plongeur de l'électroaimant.The positioning of the slider is stable, and one of the ends of the pawl is then located under the plunger core of the electromagnet.
Selon l'invention, un aimant permanent coopère avec le noyau plongeur pour l'attirer en l'absence de courant dans la bobine, et des moyens de rappel du noyau vers l'aimant permanent sont prévus pour ramener ledit noyau dans sa position réinitialisée.According to the invention, a permanent magnet cooperates with the plunger to attract it in the absence of current in the coil, and return means of the core to the permanent magnet are provided to return said core in its reset position.
De préférence, ces moyens de rappel sont constitués d'un ressort de torsion à portion centrale spiralée disposée autour d'un tourillon solidaire du boîtier et dont dépassent radialement deux branches d'extrémité, l'une des branches étant placée dans un logement du coulisseau et l'autre se développant de manière à intercepter la trajectoire du noyau mobile.Preferably, these return means consist of a torsion spring with spiral central portion disposed around a journal integral with the housing and radially projecting from two end branches, one of the branches being placed in one housing of the slider and the other developing so as to intercept the trajectory of the movable core.
Ces moyens de rappel ne sont activés que lors d'un déclenchement, de manière à pouvoir réinitialiser la position du noyau plongeur. Lorsque le dispositif est réarmé, ce dernier est maintenu par l'aimant permanent, et lesdits moyens de rappel ne sont plus actifs.These return means are activated only during a trigger, so as to be able to reset the position of the plunger. When the device is reset, the latter is maintained by the permanent magnet, and said return means are no longer active.
Selon une possibilité, les moyens de rappel du coulisseau et du bouton de réinitialisation sont des ressorts de compression à boudins.According to one possibility, the return means of the slider and the reset button are coil compression springs.
De préférence, le mécanisme de serrure de l'invention comporte une entretoise muni d'une paroi médiane et d'une base sur laquelle se déplace le coulisseau, le bouton étant guidé en translation dans une cheminée pratiquée dans la paroi médiane, l'extrémité du bouton dépassant de la cheminée vers la base sur un premier côté de la paroi médiane comportant un orifice oblong guidant-un plot dépassant de la platine rotative montée pivotante contre le côté opposé de la paroi au moyen d'un pivot logé dans un orifice de ladite paroi. Un autre plot dépassant de la face opposée de ladite platine s'insère dans un orifice oblong de l'organe déclencheur ledit second plot parcourant l'orifice oblong vers la base lors de la réinitialisation, l'axe de pivotement dudit organe déclencheur étant situé dans le prolongement de l'extrémité de l'orifice oblong située au voisinage de la base et le profil permettant d'assurer les premier et second appuis étant localisé au voisinage de l'extrémité opposée dudit orifice oblong. Un ressort de rappel du coulisseau est intégré dans un logement de ce dernier situé à proximité de la base et exerce une action appliquée entre la base et le plot s'insérant dans l'orifice de l'organe déclencheur.Preferably, the lock mechanism of the invention comprises a spacer provided with a median wall and a base on which the slide moves, the button being guided in translation in a chimney made in the medial wall, the end the button protruding from the chimney towards the base on a first side of the medial wall having a guiding oblong hole-a stud protruding from the rotating plate pivotally mounted against the opposite side of the wall by means of a pivot housed in a hole of said wall. Another stud protruding from the opposite face of said platen is inserted into an oblong orifice of the triggering member, said second stud traversing the oblong orifice towards the base during the reset, the axis of pivoting of said trigger member being located in the extension of the end of the oblong orifice located in the vicinity of the base and the profile ensuring the first and second supports being located in the vicinity of the opposite end of said oblong orifice. A return spring of the slide is integrated in a housing of the latter located near the base and exerts an action applied between the base and the stud inserted into the opening of the trigger member.
Cette configuration permet notamment de constituer la serrure mécanique de l'invention sous forme d'un sous-ensemble mécanique compact et indépendant, positionné dans le boîtier de chaque bloc différentiel. L'entretoise est en effet le support garantissant la position de la totalité des composants dont il a été fait état jusqu'ici, y compris par exemple les moyens de rappel du noyau plongeur, le tourillon autour duquel la portion centrale spiralée du ressort de torsion étant une protubérance dépassant d'un des côtés de la paroi médiane. Les deux demi-coques en plastique n'assurent que le maintient de l'ensemble des pièces sur l'entretoise.This configuration makes it possible in particular to constitute the mechanical lock of the invention in the form of a compact and independent mechanical subassembly, positioned in the housing of each differential block. The spacer is indeed the support guaranteeing the position of all the components that have been reported so far, including for example the return means of the plunger core, the pin around which the spiral central portion of the torsion spring being a protrusion protruding from one side of the medial wall. The two plastic half-shells ensure only the maintenance of all parts on the spacer.
Le coulisseau, qui est en fait guidé en translation par la base de l'entretoise, peut alors comporter une patte latérale guidée dans une lumière pratiquée dans la paroi médiane, qui commande un commutateur de signalisation de l'état de la serrure. Le coulisseau commande à l'aide d'une seconde patte les commutateurs de la carte électronique.The slider, which is in fact guided in translation by the base of the spacer, may then comprise a lateral lug guided in a slot in the median wall, which controls a switch indicating the state of the lock. The slider controls with a second leg the switches of the electronic card.
Ainsi, ladite patte latérale peut avoir pour fonction de faire commuter un tel composant au cours de son déplacement translatif dans ladite lumière. A l'autre extrémité du coulisseau, d'autres commutateurs peuvent être actionnés à l'aide d'une seconde patte, permettant la commande (l'alimentation) de la carte électronique attachée au dispositif de déclenchement différentiel.Thus, said side tab may have the function of switching such a component during its translational movement in said light. At the other end of the slider, other switches can be actuated using a second tab, allowing the control (supply) of the electronic card attached to the differential tripping device.
Outre les moyens de déclenchement purement électriques qui ont été décrits ci-dessus, le mécanisme de serrure de l'invention présente une possibilité de déclenchement mécanique, par action sur un bouton particulier dévolu à cette fonction.In addition to the purely electric triggering means that have been described above, the lock mechanism of the invention has a possibility of mechanical triggering, by action on a particular button assigned to this function.
Ainsi, il est prévu un bouton de test mécanique qui exerce une action sur un organe d'entrainement monté pivotant sur la paroi médiane de l'entretoise, dont une extrémité actionne un coulisseau de test mécanique guidé dans ladite paroi selon un trajet d'allure parallèle au déplacement du bouton de réinitialisation et est lié au cliquet en vue de le mouvoir pour briser sa liaison mécanique avec le déclencheur. L'autre extrémité de l'organe d'entrainement est reliée à la paroi médiane et comporte des moyens de rappel dudit organe en position initiale également aptes à ramener le bouton de test mécanique dans sa position initiale.Thus, there is provided a mechanical test button which exerts an action on a drive member pivotally mounted on the central wall of the spacer, one end of which actuates a mechanical test slide guided in said wall along a path of pace parallel to the movement of the reset button and is linked to the pawl to move it to break its mechanical connection with the trigger. The other end of the drive member is connected to the central wall and comprises return means of said member in the initial position also capable of returning the mechanical test button to its initial position.
Ce bouton, évidemment distinct du bouton de réinitialisation, agit de manière directe sur le cliquet contrairement à ce dernier.This button, obviously distinct from the reset button, acts directly on the ratchet unlike the latter.
Plus précisément, l'organe d'entrainement se compose d'un pivot à partir duquel se développent deux bras, l'extrémité de l'un d'entre eux entrainant le coulisseau de test mécanique, l'autre comportant une portion ondulée élastique se terminant par une extrémité annulaire entourant avec liberté de rotation un plot dépassant de la paroi médiane.More specifically, the drive member consists of a pivot from which two arms develop, the end of one of them driving the mechanical test slider, the other having an elastic corrugated portion is ending with an annular end surrounding with freedom of rotation a stud protruding from the median wall.
La portion élastique est sollicitée de manière à accumuler l'énergie mécanique résultant de l'actionnement du bouton, qu'elle restitue en l'absence d'action sur ce dernier, aboutissant à rappeler l'organe d'entrainement et le coulisseau de test mécanique en position initialisée.The elastic portion is biased to accumulate the mechanical energy resulting from the actuation of the button, it restores in the absence of action on the latter, resulting in recalling the drive member and the test slider mechanical in initialized position.
Selon une configuration possible, l'extrémité entrainant le coulisseau de test comporte un plot disposé libre en translation dans une rainure transversale du coulisseau de test mécanique, transformant le mouvement complexe dudit plot en mouvement translatif du coulisseau.According to one possible configuration, the end driving the test slider comprises a stud disposed free in translation in a transverse groove of the mechanical test slider, transforming the complex movement of said stud into a translational movement of the slider.
Comme mentionné auparavant, le mécanisme de l'invention peut être constitué sous forme d'un sous-ensemble mécanique indépendant, disposé dans un boîtier constitué de deux demi-coques en plastiques assemblées dont dépasse l'arbre de liaison (qui est en contact directement ou via un système de transmission avec les serrures des disjoncteurs associés, selon leur calibre), le bouton de réinitialisation et des fils de liaison électriques.As mentioned before, the mechanism of the invention can be constituted as an independent mechanical subassembly, arranged in a housing consisting of two assembled plastic half-shells which protrude from the connecting shaft (which is in direct contact with or via a transmission system with the locks of the associated circuit breakers, depending on their rating), the reset button and electrical connection wires.
L'ensemble des pièces constituant les différentes fonctions de la serrure sont entièrement positionnées par l'entretoise et maintenues en place par les demi-coques.All the parts constituting the various functions of the lock are fully positioned by the spacer and held in place by the half-shells.
Ce boîtier peut en effet être implanté dans différentes tailles de produits, obéissant à des calibrages différents (125-160 A, 160-260 A et 400-630 A).This housing can indeed be implanted in different product sizes, obeying different calibrations (125-160 A, 160-260 A and 400-630 A).
L'invention va à présent être décrite plus en détail, en référence aux figures annexées pour lesquelles :
- les
figures 1 a à 1 g représentent, en élévation de face, un bloc serrure selon l'invention dans différentes étapes de fonctionnement ; - la
figure 2 en est une vue en perspective arrière ; - la
figure 3 représente, en perspective, une vue avant dépourvue du coulisseau ; - la
figure 4 illustre les positions respectives du cliquet et de l'organe déclencheur dans l'hypothèse où le coulisseau n'a pas atteint sa butée lors de la phase de déclenchement ; et - la
figure 5 montre le mode de fonctionnement du bouton test mécanique.
- the
figures 1 a to 1 g represent, in front elevation, a lock block according to the invention in different operating steps; - the
figure 2 is a rear perspective view; - the
figure 3 represents, in perspective, a front view devoid of the slide; - the
figure 4 illustrates the respective positions of the pawl and the trigger member in the event that the slider has not reached its stop during the tripping phase; and - the
figure 5 shows the operating mode of the mechanical test button.
En référence aux figures et en particulier aux
La platine rotative (9) comprend, sur son autre face, celle qui est du côté du coulisseau (4), un second plot (13) qui prend place dans un orifice oblong (14') pratiqué dans un organe déclencheur (14).The rotating plate (9) comprises, on its other face, that which is on the side of the slider (4), a second stud (13) which takes place in an oblong hole (14 ') formed in a trigger member (14).
Cet organe déclencheur (14) comporte, à son extrémité supérieure, un bec (15) offrant un double appui à une encoche (31) d'un cliquet (16) monté rotatif via un pivot (17) sur le coulisseau (4).This trigger member (14) comprises, at its upper end, a spout (15) providing a double support for a notch (31) of a pawl (16) rotatably mounted via a pivot (17) on the slider (4).
II est à noter que l'organe déclencheur (14) est également monté en rotation, via un pivot (18), sur ledit coulisseau (4). Un ressort de rappel (6) sollicite le cliquet (16) dans le sens des aiguilles d'une montre. De même, des moyens de rappel (19) repoussent le coulisseau (4) au contact de la butée (5) (voir en
Un actionneur (20) est disposé parallèlement au bouton de réinitialisation (7), dans la paroi médiane de l'entretoise (1). Il s'agit en fait d'un électroaimant dont la bobine (21) entoure un noyau plongeur (22) qui se déplace vers le bas en cas de déséquilibre dans les courants des conducteurs des lignes à protéger, c'est à dire lorsque leur somme est différente de zéro. Ce déplacement se fait à l'encontre d'une branche (23a) d'un ressort de réarmement (23) dont l'autre branche (23b) est reliée au coulisseau (4). Un aimant permanent (non représenté) permet de maintenir le noyau plongeur (22) dans sa position de repos en l'absence de défaut dans les lignes protégées.An actuator (20) is arranged parallel to the reset button (7) in the middle wall of the spacer (1). It is in fact an electromagnet whose coil (21) surrounds a plunger core (22) which moves downwards in the event of imbalance in the currents of the conductors of the lines to be protected, that is to say when their sum is different from zero. This movement is made against a branch (23a) of a reset spring (23) whose other leg (23b) is connected to the slide (4). A permanent magnet (not shown) allows maintain the plunger core (22) in its rest position in the absence of defects in the protected lines.
Le coulisseau (4) porte un arbre de liaison (24) prévu pour faire déclencher les serrures de disjoncteur accolé, directement ou via un système de transmission à tringlerie, en cas de défaut différentiel sur les lignes. Il dépasse donc du boîtier de l'appareil à déclenchement différentiel en vue de coopérer avec les disjoncteurs accolés.The slider (4) carries a connecting shaft (24) provided for triggering the attached circuit breaker locks, directly or via a linkage transmission system, in case of differential fault on the lines. It therefore exceeds the differential release device housing to cooperate with the contiguous circuit breakers.
Il est à noter que la translation du coulisseau (4) permet comme déjà mentionné l'actionnement de plusieurs micro-commutateurs, par exemple pour l'alimentation électrique des cartes électroniques, ainsi que pour la visualisation de l'état de la serrure (armée ou non armée). Ainsi, en particulier, la patte (28') est prévue pour entrainer, dans la phase de réinitialisation, la commutation d'un micro contact (27) reflétant la position du coulisseau (4). De même, la patte (28) dépassant du coulisseau (4) et mobile dans la fenêtre (29) permet d'actionner un commutateur de signalisation de l'état de la serrure (voir en
Le fonctionnement de l'invention est le suivant : lorsque l'utilisateur exerce une pression sur le bouton de réinitialisation (7) à l'encontre du ressort (30) en vue de réarmer le produit, la platine rotative (9) se trouve entrainée via le plot (10) situé dans l'orifice oblong (11) (voir en
Après la réinitialisation, la serrure se trouve par conséquent dans son état stable armé de la
Le couple généré par l'ensemble coulisseau (4) / cliquet (16) / organe déclencheur (14) étant supérieur au couple généré par le bouton de réinitialisation (7), la platine rotative (9) est maintenue dans une position basse, c'est-à-dire avec le plot (13) en partie basse de l'orifice oblong (14') de l'organe déclencheur (14) comme illustré en
Le bouton de réinitialisation (7) est donc lui aussi maintenu en position basse, et le coulisseau (4) est en position réinitialisée, en l'occurrence vers la gauche de la figure. Dans cette position, le mécanisme de serrure de l'invention est armé, et le bloc différentiel est par conséquent prêt à jouer son rôle. Le contact (27) a changé de position par rapport à la
Dans cette position statique, alors que les forces qui s'exercent sur l'organe déclencheur (14) ont tendance à le faire tourner dans le sens inverse des aiguilles d'une montre et que les forces qui s'exercent sur le cliquet rotatif (16) (en particulier le ressort (6) qui s'y applique) ont tendance à le faire tourner dans le sens des aiguilles d'une montre, le double appui s'exerçant au niveau de la liaison établie bec (15)/encoche (31), c'est à dire un appui sur une surface d'allure parallèle au trajet du bouton (7) et un appui sur une surface d'allure parallèle à la base (3), empêche sa rotation et garantit le verrouillage de la serrure ainsi décrite.In this static position, while the forces acting on the trigger member (14) tend to turn it counterclockwise and the forces acting on the rotary ratchet ( 16) (in particular the spring (6) which applies thereto) tend to rotate it clockwise, the double support being exerted at the level of the connection established beak (15) / notch (31), ie a support on a surface parallel to the path of the button (7) and a bearing on a surface parallel to the base (3), prevents its rotation and ensures the locking of the lock thus described.
Il est à noter que, dans cette position du coulisseau (4), le ressort de réarmement (23) n'exerce plus aucune action sur le noyau plongeur (22), attiré par l'aimant permanent et trop haut pour qu'il y ait contact avec l'extrémité de la branche (23a). Une telle action n'est du reste pas nécessaire, car le noyau plongeur (22) reste en position armée (haute) du fait de l'existence de l'aimant permanent.It should be noted that, in this position of the slide (4), the reset spring (23) no longer exerts any action on the plunger (22), attracted by the permanent magnet and too high for there to have contact with the end of the branch (23a). Such action is not necessary, because the plunger core (22) remains in the armed position (high) because of the existence of the permanent magnet.
En cas de survenue d'un défaut différentiel, l'actionneur (20) est commandé par les cartes électroniques, de telle sorte que le noyau plongeur (22) descende en direction du coulisseau (4). Ce déplacement s'effectue à l'encontre du ressort de réarmement (23), au moins dans sa phase terminale, représentée en
Le noyau plongeur (22) heurte l'une des extrémités (l'extrémité gauche sur la
Le mécanisme de transformation de mouvements translatifs en mouvements rotatifs s'exerce en sens inverse, du fait de la libération d'énergie du ressort (19) d'une part et - dans un second temps - sous l'action des moyens de rappel (30) du bouton de réinitialisation (7) d'autre part. En substance, l'organe déclencheur (14) pivote autour du pivot (18) d'abord dans en sens inverse des aiguilles d'une montre (voir en
En fait, lorsque le plot (13) parvient à une certaine hauteur, son action sur l'organe déclencheur (14) s'inverse, et il le fait pivoter dans le sens des aiguilles d'une montre. Si le coulisseau (4) atteint la butée (5), ledit organe (14) se met dans la position apparaissant en
Dans l'hypothèse où le coulisseau (4) n'arrive pas jusqu'en butée (5), le plot (13) dépassant de la platine intermédiaire (9), qui effectue sa rotation jusqu'au bout sous l'effet des moyens de rappel du bouton (7) et l'axe (18) ne sont plus alignés dans une orientation sensiblement parallèle à la course dudit bouton (7), mais selon une orientation inclinée : le bec (15) s'éloigne alors de l'encoche du cliquet (16), garantissant dans tous les cas la possibilité du réarmement. C'est ce qui est montré en
A l'autre extrémité du coulisseau (4), le ressort de réarmement (23) est comprimé par le logement via la branche 23b du fait du mouvement vers la droite du coulisseau (4) (voir en
La serrure est à présent en position déclenchée, les surfaces d'appui du bec (15) et de l'encoche (31) repositionnées pour permettre le réarmement.The lock is now in the triggered position, the bearing surfaces of the spout (15) and the notch (31) repositioned to allow rearming.
En référence à la
L'autre extrémité de l'organe d'entrainement (40) est fixée avec un degré de liberté en rotation par rapport à la paroi médiane (2), au moyen d'un anneau placé à l'extrémité (47) du bras (45) et entourant un plot (48) dépassant de la paroi médiane (2). Des moyens de rappel dudit organe (40) en position initiale, sous forme d'une portion ondulée élastique (49), sont prévus pour ramener le bouton de test mécanique (40) dans sa position initiale, de même que le bouton de test mécanique, en l'absence de sollicitations.The other end of the driving member (40) is fixed with a degree of freedom in rotation relative to the medial wall (2), by means of a ring placed at the end (47) of the arm ( 45) and surrounding a stud (48) protruding from the medial wall (2). Returning means of said member (40) in the initial position, in the form of an elastic corrugated portion (49), are provided for returning the mechanical test button (40) to its initial position, as well as the mechanical test button. , in the absence of solicitations.
Lorsque l'utilisateur appuie sur le bouton de test mécanique, générant une force symbolisée par F, l'organe d'entrainement (40) tourne dans le sens des aiguilles d'une montre, ce qui aboutit à remonter le plot (45) et par conséquent le coulisseau (44), qui entre en contact avec le cliquet (16) et brise la liaison mécanique avec le déclencheur (14). La serrure déclenche. Lorsque l'action sur le bouton de test mécanique cesse, les moyens de rappel (47) réinitialisent le positionnement de l'organe d'entrainement (40) et du coulisseau (44).When the user presses the mechanical test button, generating a force symbolized by F, the driving member (40) rotates in the clockwise direction, which results in raising the stud (45) and therefore the slide (44), which comes into contact with the pawl (16) and breaks the mechanical connection with the trigger (14). The lock triggers. When the action on the mechanical test button ceases, the return means (47) reinitialize the positioning of the drive member (40) and the slide (44).
L'invention n'est pas limitée à l'exemple qui a été décrit, en référence aux figures. Elle englobe au contraire toutes les variantes de forme et de configuration qui sont à la portée de l'homme de l'art.The invention is not limited to the example which has been described with reference to the figures. It encompasses all the variants of shape and configuration that are within the reach of those skilled in the art.
Claims (18)
caractérisé en ce que :
characterized in that
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20090306325 EP2339606B1 (en) | 2009-12-24 | 2009-12-24 | Electric line-protection lock mechanism with differential function |
CN201080064713.4A CN102782794B (en) | 2009-12-24 | 2010-12-22 | Electrical line protection lock mechanism with a differential function |
PCT/FR2010/052887 WO2011077054A1 (en) | 2009-12-24 | 2010-12-22 | Electrical line protection lock mechanism with a differential function |
JP2012545401A JP6027892B2 (en) | 2009-12-24 | 2010-12-22 | Electric wire protection lock mechanism with differential function |
BR112012015296A BR112012015296A2 (en) | 2009-12-24 | 2010-12-22 | locking mechanism for electrical line protection device with differential function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20090306325 EP2339606B1 (en) | 2009-12-24 | 2009-12-24 | Electric line-protection lock mechanism with differential function |
Publications (2)
Publication Number | Publication Date |
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EP2339606A1 true EP2339606A1 (en) | 2011-06-29 |
EP2339606B1 EP2339606B1 (en) | 2012-07-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090306325 Active EP2339606B1 (en) | 2009-12-24 | 2009-12-24 | Electric line-protection lock mechanism with differential function |
Country Status (5)
Country | Link |
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EP (1) | EP2339606B1 (en) |
JP (1) | JP6027892B2 (en) |
CN (1) | CN102782794B (en) |
BR (1) | BR112012015296A2 (en) |
WO (1) | WO2011077054A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110010404B (en) * | 2019-05-15 | 2023-09-29 | 江苏洛凯机电股份有限公司 | High-voltage electrified locking device |
CN114582649B (en) * | 2022-03-08 | 2022-11-15 | 乐清市大和电气有限公司 | Large-current industrial button switch |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0200581A1 (en) * | 1985-03-08 | 1986-11-05 | Electrotecnica F. De Roda, S.A. | Mechanisms of fault current protective switches which enable their coupling in or to automatic breakers |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2663461B1 (en) * | 1990-06-15 | 1992-09-11 | Etude Realisa Disjoncteurs | LOW VOLTAGE PROTECTION SWITCH OR CIRCUIT BREAKER INCLUDING A POLARIZED DIFFERENTIAL TRIGGER. |
JP2002542584A (en) * | 1999-04-19 | 2002-12-10 | ピービーティー(アイピー)リミテッド | Integrated electric drive mechanical release mechanism |
JP4404465B2 (en) * | 2000-09-07 | 2010-01-27 | 三菱電機株式会社 | Earth leakage detector |
JP2005009633A (en) * | 2003-06-20 | 2005-01-13 | Tokico Ltd | Electric braking device |
FR2862810B1 (en) * | 2003-11-21 | 2006-01-06 | Schneider Electric Ind Sas | SAFETY POSITION SWITCH |
ITMI20062033A1 (en) * | 2006-10-23 | 2008-04-24 | Gewiss Spa | AUTOTEST AND AUTOMATIC RESET DEVICE, PARTICULARLY FOR DIFFERENTIAL AND SIMILAR SWITCHES |
-
2009
- 2009-12-24 EP EP20090306325 patent/EP2339606B1/en active Active
-
2010
- 2010-12-22 CN CN201080064713.4A patent/CN102782794B/en active Active
- 2010-12-22 JP JP2012545401A patent/JP6027892B2/en active Active
- 2010-12-22 BR BR112012015296A patent/BR112012015296A2/en not_active IP Right Cessation
- 2010-12-22 WO PCT/FR2010/052887 patent/WO2011077054A1/en active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0200581A1 (en) * | 1985-03-08 | 1986-11-05 | Electrotecnica F. De Roda, S.A. | Mechanisms of fault current protective switches which enable their coupling in or to automatic breakers |
Also Published As
Publication number | Publication date |
---|---|
CN102782794B (en) | 2015-04-29 |
JP6027892B2 (en) | 2016-11-16 |
EP2339606B1 (en) | 2012-07-11 |
WO2011077054A1 (en) | 2011-06-30 |
BR112012015296A2 (en) | 2016-03-15 |
CN102782794A (en) | 2012-11-14 |
JP2013516031A (en) | 2013-05-09 |
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