EP3208820B1 - Système de commande rotative pour un appareil - Google Patents

Système de commande rotative pour un appareil Download PDF

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Publication number
EP3208820B1
EP3208820B1 EP17156599.7A EP17156599A EP3208820B1 EP 3208820 B1 EP3208820 B1 EP 3208820B1 EP 17156599 A EP17156599 A EP 17156599A EP 3208820 B1 EP3208820 B1 EP 3208820B1
Authority
EP
European Patent Office
Prior art keywords
rotary member
locking plate
pin
control system
rotary
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
EP17156599.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3208820A1 (fr
Inventor
Daniel Sinthomez
Florent Pitis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP3208820A1 publication Critical patent/EP3208820A1/fr
Application granted granted Critical
Publication of EP3208820B1 publication Critical patent/EP3208820B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
    • G05G1/10—Details, e.g. of discs, knobs, wheels or handles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • G05G5/28—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for preventing unauthorised access to the controlling member or its movement to a command position
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/14—Operating parts, e.g. turn knob
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/36—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having only two operative positions, e.g. relatively displaced by 180 degrees
    • 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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G2505/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
    • 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
    • H01H2071/565—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel using a add on unit, e.g. a separate rotary actuator unit, mounted on lever actuated circuit breakers
    • 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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/08—Turn knobs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/20—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch wherein an auxiliary movement thereof, or of an attachment thereto, is necessary before the main movement is possible or effective, e.g. for unlatching, for coupling

Definitions

  • the invention relates to a rotary control system for an apparatus.
  • the invention also relates to an electrical cabinet comprising a controllable electrical appliance and such a rotary control system for controlling this electrical appliance.
  • the invention is more particularly applicable to rotary control systems for electrical appliances, such as circuit breakers.
  • such systems comprise a rotary control member movable in rotation between predefined positions associated with electrical states separate from the electrical apparatus, for example active and stopped states.
  • electrical states For a circuit breaker, for example, these electrical states correspond to the closed state and the open state.
  • the electrical apparatus is placed inside an electrical cabinet, on a bottom wall of this electrical cabinet.
  • a rotary control handle is placed on a cabinet door, facing the bottom wall, to be accessible and operable from outside the cabinet by a user. This handle is connected to the rotary member, for example by means of a rigid shaft, so that the rotation of the control handle rotates the rotary member between its predefined positions so as to control the electrical apparatus.
  • the rotatable member can be locked in a predefined position, typically its position corresponding to the open or stopped state of the electrical apparatus, when the cabinet door is open. This is particularly useful during maintenance operations during which the appliance is shut down and the cabinet door is open. Indeed, it is necessary to avoid that the electrical device is accidentally restarted, thus putting under stress an electrical installation on which an operator is working.
  • Control systems are known in which the handle is lockable to prevent rotation thereof.
  • An example of such a handle is described in the patent EP 1 791 149 B1 .
  • a disadvantage of these systems is that they are inoperative when the door is open, because the handle is then no longer connected to the rotary member. Locking the handle does not prevent the rotating member is directly operated and thus the electrical device is returned to its active state.
  • Control systems are also known in which a lock is incorporated in the rotary member. This has the disadvantage of increasing the size and complexity of the system.
  • a lock is typically usable only by a reduced number of keys specifically associated with this lock, which must therefore be provided to each user of the lock. The manufacture and packaging of such a system for delivery to customers are thus complicated and expensive.
  • the invention intends to remedy more particularly, by proposing a control system of an apparatus provided with a rotary control member with a simplified design and a small footprint and which simply allows locking in a of his positions.
  • the locking device to lock the rotary member in its first position, it is sufficient to move the locking plate in rotation until the first and second holes are superposed with each other to form the opening. In doing so, during the displacement of the locking plate, the locking device is simply moved to its locking configuration, thus preventing a displacement of the rotary control member. It is then sufficient to insert a locking tool, such as a padlock, through the opening to prevent a rotational movement of the locking plate. The locking device is therefore able to be maintained in its blocking configuration, thus preventing the rotary control member from being moved to its second position.
  • the lock can be achieved simply with a padlock, without it being necessary to incorporate a dedicated lock.
  • the design of the system is thus simplified, as is its manufacture under industrial conditions.
  • it provides greater flexibility of use because it is the user who brings his own locking tool, any locking tool can be used.
  • any locking tool can be used.
  • only the keys previously associated with this lock can be used, which complicates the use when several different users must intervene on the device and that these users are in number greater than the number of keys available.
  • the invention relates to an electrical cabinet comprising a controllable electrical appliance housed inside the cabinet and a rotary control system connected to the electrical appliance for controlling the electrical appliance. from outside the cabinet, the control system being as previously described.
  • the figure 1 represents an electrical cabinet 2.
  • the cabinet 2 comprises a bottom wall 4 which extends substantially in a geometric plane P.
  • the cabinet 2 also comprises side walls 6, 8 and 10 upper and lower.
  • the walls 6, 8 and 10 extend perpendicular to the geometric plane P.
  • the walls 4, 6, 8 and 10 define a housing L.
  • the cabinet 2 also comprises a door 12 which is reversibly movable between an open position, in which the housing L is open towards the outside of the cabinet 2 and a closed position, in which the door 12 closes the door.
  • the door 12 is pivotally mounted along an axis which extends parallel to the plane P so that, in its closed position, the door 12 faces the bottom wall 4.
  • the door 12 is pivotally mounted by means of a hinge fixed on an outer edge of one or other of the side walls 6 or 8.
  • the cabinet 12 here has a parallelepiped-shaped trapezoidal shape.
  • the walls 4, 6, 8 and 10 and the door 12 are, for example, made of metal.
  • the "rear face” of an element corresponds to the face of this element which is turned towards the bottom wall 4 and which extends essentially the plane P.
  • the "front face” of an element is the face of this element which is opposite to its front face and which is turned to the side of the door 12 when the door is closed.
  • the electrical cabinet 2 further comprises an electrical apparatus 20 which is fixedly disposed inside the housing L on the bottom wall 4.
  • the electrical apparatus 20 is electrically connected to electrical conductors of an electrical circuit to protect and penetrate inside the cabinet 2. To simplify the figure 1 these electrical conductors are not illustrated.
  • the electrical apparatus 20 is switchable, selectively and reversibly, between two distinct electrical states, for example an active state, called “ON” and a stopped state, called “OFF".
  • the electrical apparatus 20 is a circuit breaker.
  • the apparatus 20 is switchable between its electrical states by means of a switch incorporated in the apparatus 20 and disposed on a front face 22 of the apparatus 20.
  • the switch is here a rotary switch which is rotates about a fixed axis X1 to switch the electrical apparatus 20 between its electrical states.
  • the axis X1 extends perpendicular to the geometric plane P.
  • the electrical cabinet 2 further comprises a rotary control system 30 of the apparatus 20 for controlling the switching of the electrical apparatus 20 between its electrical states from outside the cabinet 2 when the door 12 is closed.
  • the control system 30 is here fixed on the front face 22 of the apparatus 20 and is mechanically coupled with the switch of the electrical apparatus 20.
  • the control system 30 comprises a rotary control member 32, a locking plate 33 and a fixed frame 34.
  • the frame 34 is here fixedly mounted and without degree of freedom on the front face 22 of the apparatus 20.
  • the rotatable member 32 is rotatable, relative to the frame 34, about the axis X1 between first and second stable and distinct positions.
  • the rotary member 32 is rotatably mounted about this axis X1 on the frame 34.
  • the rotary member 32 is described in more detail in the following.
  • the rotary member 32 is here mechanically coupled in rotation with this rotary switch about the axis X1.
  • the switch is a lever, or rocker, displaceable by exerting a force along a direction that extends parallel to the plane P.
  • the frame 34 advantageously encloses a motion transmission system. which converts the rotation of the rotatable member 32 around the axis X1 in a translational force in the vertical direction to switch the switch.
  • the control system 30 further comprises a rotary control handle 36 which is intended to be secured in rotation with the rotary member 32 about the axis X1.
  • the handle 36 is mounted on the door 12, here in front of the member 32.
  • the handle 36 comprises a movable portion 38 movable in rotation between two distinct positions around an axis X 2, which extends perpendicular to the door 12, and a fixed base 40 which is fixedly mounted on the door 12.
  • the handle 36 is connected to a coupling 42 secured in rotation about the axis X2 with the mobile part 38.
  • the rotational displacement of the handle 36 refers to the rotational displacement of the movable portion 38.
  • the axis X2 is parallel with the axis X1.
  • the axes X1 and X2 are then merged.
  • the axes X1 and X2 are not coincidental but offset with respect to each other, for example because the handle 36 is not in front of the member 32. In this case, an appropriate mechanism is used to transmit the movement of the handle 36 towards the member 32.
  • the control system 30 further comprises a shaft 44 with a polygonal section mounted to rotate with the rotary member 32.
  • the shaft 44 extends substantially along the axis X1.
  • the shaft 44 makes it possible to rotate the handle 36 with the rotary member 32 when the door 12 is closed.
  • the shaft 44 carries the connector 42 on one of its ends.
  • the coupling 42 is fixedly mounted on the shaft 44 and is selectively disconnectable from the movable portion 38 of the handle 36.
  • the connector 42 rotates, around the axis X1, the movable portion 38 of the handle 36 with the shaft 44 and thus with the member 32.
  • the axis X2 is no longer aligned with the axis X1.
  • the handle 36 is in a remote position, as is the connector 32.
  • the movable portion 38 of the handle 36 is disconnected from the connector 42.
  • the handle 36 is thus mechanically decoupled from the rotary member 32.
  • the connector 42 is carried by the handle 36, and remains integral with the movable portion 38. When the door 12 is open, the shaft 44 disengages the connector 42.
  • the shaft 44 is here mounted fixedly integral in rotation with the rotary member 32.
  • the rotary member 32 comprises a cavity 46, polygonal section complementary to that of the shaft 44 and provided on a central portion of this rotating member 32 and wherein an end of the shaft 44 is received.
  • the rotary member 32 comprises a piece of fastener 48, such as a set screw, for fixedly holding the shaft 44 inside the cavity 46 and thus prevent any displacement in translation along the axis X1 tending to move the shaft 44 away from the cavity 46 .
  • the control system 30 further comprises a blocking device 50, illustrated in FIGS. Figures 2 and 3 .
  • a blocking device 50 illustrated in FIGS. Figures 2 and 3 .
  • the device 50 is selectively movable between a lock pattern and a release pattern.
  • the device 50 prevents the rotational member 32 from moving to its second position.
  • the device 50 allows the displacement of the rotatable member 32 to its second position.
  • the rotary member 32 has a body 52 whose orthogonal geometric projection in the geometrical plane P has essentially a disc shape.
  • the rotatable member 32 has a ring 54 which defines a through opening 56, or orifice. Here, this ring extends parallel to the plane P.
  • the member 32 comprises a mark 58 formed on an edge of the body 52 and which makes it possible to indicate visually the position in which the rotary member 32 is located.
  • the mark 58 has an arrow shape.
  • the frame 34 is then covered with visual indicators which are positioned in such a way that the mark 58 points towards one or the other of these indicators, when the rotary member 32 is in one or other of its positions.
  • the ring 54 is formed on a peripheral edge of the body 52, by piercing the body 52.
  • the locking device 50 here comprises a pin 60, movable and carried by the member 32, illustrated in FIG. figure 4 .
  • This pin 60 is partially received in a housing 62 formed on the body 52.
  • the pin 60 is movable in translation between deployed and retracted positions relative to the member 32 along an axis X3 perpendicular to the plane P and integral with the member 32.
  • a distal end 64 of the pin 60 is received inside a blind hole 66 formed on the frame 34.
  • the pin 60 penetrates inside this hole for a length of minus 5 mm or even 8 mm.
  • the pin 60 prevents the rotation of the rotary member 32 about the axis X1 relative to the frame 34.
  • the locking device 50 is then said to be in its blocking configuration.
  • the distal end 64 of the pin 60 is outside the hole 66, for example by being retracted inside the housing 62. Due to the absence of the pin 60 in the hole 66, the rotary member 32 is free to move in rotation about the axis X1 relative to the frame 34. The locking device 50 is then said to be in its release configuration.
  • the device 50 further comprises a resilient return member 68 exerting on the pin 60 a return force towards its retracted position.
  • the return member 68 is housed inside the housing 62 being fixed on the one hand to an inner wall of the housing 62 and on the other hand to the pin 60.
  • the return member 68 is a helical spring.
  • the pin 60 here comprises a body of substantially cylindrical shape with a circular base and which extends along the axis X3.
  • the point 60 has, on an end 70 opposite to the distal end 64, a head 72 formed of a frustoconical portion 74 and an end portion 76.
  • the portion 74 is placed between the body of the peg 60 and the portion 76 and here has a truncated cone shape of axis X3.
  • the outer walls of this portion 74 have an angle with respect to the axis X3 which is for example 45 °.
  • the pin 60 is here made of metal.
  • the end portion 76 here has a rounded shape, for example a half-sphere.
  • the housing 62 here has a cylindrical shape of axis X3 with an internal diameter greater than the diameter of the cylindrical body of the pin 60.
  • the rotating member 32 is made of metal, for example in a copper alloy, zinc and aluminum, which gives it a satisfactory hardness and rigidity.
  • the locking plate 33 is rotatable about the axis X1 relative to the rotatable member 32. More specifically, when the rotatable member 32 is in its first position, the plate 33 is movable between locking positions and unlocking by rotation around the axis X1.
  • the plate 33 is configured to switch the blocking device 50 to its blocking position when it is moved from its unlocked position to its position locked. Similarly, plate 33 switches blocking device 50 from its blocking configuration to its release configuration as it is moved from its locked position to its unlocked position.
  • the plate 33 here has a substantially planar shape and extends parallel to the plane P, when it is mounted within the system 30.
  • the plate 33 has a central bore in the center of which passes the axis X1.
  • the plate 33 is arranged coaxially with the rotary member 32.
  • the central bore is traversed by the portion of the rotary member 32 which carries the cavity 46.
  • the rear face of the plate 33 is turned towards the front face of the organ 32.
  • the plate 33 further comprises a ring 82 which defines a through hole 84, for example formed by drilling in the vicinity of an outer edge of the plate 33.
  • This orifice 84 opens on the front and rear faces of the plate 33.
  • the ring 82 extends in the same geometric plane as the ring 54, here parallel to the plane P.
  • the orifices 56 and 84 are superimposed on one another and form an opening 86 which is adapted to receive, by insertion through this opening 86, a locking tool capable of securing in rotation the rotary member 32 with the locking plate 33 about the axis X1.
  • this lock tool is a lock.
  • a locking tool is shown schematically by the line 88, which represents the handle of a padlock inserted through the opening 86.
  • the orifices 56 and 84 are said to be superposed when the orifices 56 and 84 have at least 30%, preferably at least 50%, of their area in common.
  • the opening 86 when formed, has an area greater than or equal to 0.5 cm 2
  • the opening 86 has a disc shape with a diameter greater than or equal to 0.5 cm, preferably at 1 cm, more preferably at 2 cm.
  • the known locking tools such as clamps or padlocks commonly used by electrical maintenance operators, can be inserted through the opening 86.
  • the orifices 84 and 56 are angularly offset relative to one another about the axis X1 and do not form the opening 86, as illustrated in FIG. figure 2 .
  • less than 20% or 15% or 10% of the area of the orifice 84 is superimposed with the area of the orifice 56.
  • the areas of the orifices 56 and 84 are not superimposed. at all.
  • the plate 33 has a bearing zone 100 which is shaped to move the pin 60 to its extended position, by pressing on the proximal end 70 of the pin 60, when the plate 33 is moved from its unlocked position to its locked position.
  • the bearing zone 100 comprises an inclined portion 102, or inclined plane, and straight portions 104 and 106.
  • the bearing zone is here arranged opposite the pin 60, on an outer periphery of the plate 33.
  • the part 102 is projecting with respect to a geometric plane P2 in which the plate 33 essentially extends, this plane P2 forming a main plane of the plate 33.
  • the inclined portion 102 of the plate 33 extends along a plane geometric P3 which forms with the geometric plane P2 an angle ⁇ .
  • the angle ⁇ is for example between 30 ° and 60 ° and preferably between 40 ° and 50 °. In this example, the angle ⁇ is equal to 45 °.
  • the angle ⁇ is preferably chosen as a function of the angle of inclination of the walls of the frustoconical portion 74 of the pin 60.
  • the orthogonal projection of the portion 102 in the plane P2 extends substantially in a circular arc, here following the periphery of the plate 33.
  • the portion 102 extends here between first and second angular positions, away from the plane P2 from the first angular position to the second angular position. These angular positions are here defined with respect to the geometric center of the plate 33.
  • the angle between these first and second angular positions, measured in the plane P2 depends on the stroke of the pin 60 and the angle ⁇ .
  • the parts 102, 104 and 106 are in contact with each other and are for example formed integrally and with the plate 33.
  • the parts 102, 104 and 106 are formed by localized stamping of the plate 33
  • the piece 33 is formed by molding.
  • the portion 104 extends substantially parallel to the plane P2 and connects the portion 102 with the portion 106.
  • the portion 106 is projecting with respect to the plane P2, with an angle with respect to this plane P2 strictly greater than 45 °, preferably greater than or equal to 55 ° or 75 °, or, alternatively, perpendicular to the plane P2.
  • the portions 102, 104 and 106 define a housing which receives the end 70 of the pin 60 when in its retracted position.
  • the angle ⁇ is measured on the side of the portion 102 facing the interior of the housing.
  • the portion 76 of the pin 60 then abuts against the portion 104 when the plate 33 is in its unlocked position, because of the return force E68 exerted by the return member 68. Thanks to the hemispherical shape of the end portion 76, the contact surface between the proximal end 70 of the pin 60 and the portion 104 of the plate 33 is reduced, which limits the frictional forces between the plate 33 and the pin 60 when moving the plate 33 with respect to the rotary member 32.
  • the portion 102 moves the pin 60 from its retracted position to its deployed position when the plate 33 is moved from its unlocked position to its locked position by turning the plate 33 relative to the member 32 in the direction represented by the arrow F1 to the figure 4 .
  • the portion 102 forms a cam against which the end portion 76 slides.
  • the portion 102 exerts a thrust force E102 on the pin 60 directed according to FIG. X3 axis. This effort E102 opposes and surpasses the force E68 exerted by the return member 68 on the pin 60.
  • the pin 60 When the rotatable member 32 is in its first position, the pin 60 is in front of the hole 66 and thus slides relative to the housing 62 along the axis X3, so that the end 64 enters gradually to the inside the hole 66 until the pin 60 is in its first deployed position. Then, the plate 33 covers the head 72 of the pin and prevents any subsequent movement of the pin 60 relative to the housing 62.
  • the pin 60 can not move to its deployed position. If the plate 33 is rotated relative to the rotatable member 32 to exert the force E102 as described above, the pin 60 moves but its distal end 64 abuts against the frame 34. then not possible to continue moving the plate 33 to its locked position. Thus, as long as the rotary member 32 is not its first position, the plate 33 can not be moved to its locking position, although here it can however move slightly with respect to the rotary member 32 of the makes the length of part 104.
  • the portion 106 prevents, for its part, a displacement of the plate 33 in an opposite direction as explained in the following.
  • the length of the portion 102 is advantageously chosen so that the rotational movement of the plate 33 between its unlocked and locked positions is sufficient to completely move the pin 60 from its retracted position to its deployed position.
  • the pin 60 is completely in its retracted position.
  • the locking tool 88 is inserted into the opening 86, the plate 33 is integral in rotation with the member 32 about the axis X1 and the pin can not be moved from the retracted position, in which it is located immobilizing the rotary member 32 in its first position.
  • the plate 33 comprises a protective blade 120 which protrudes from the outer face of the plate 33.
  • the blade 120 is shaped to cover the outside of the part 48 only when the plate 33 is in its locked position, as shown in the figure 3 .
  • the blade 120 extends projecting along an axis parallel to the axis X1.
  • the blade 120 blocks access to the part 48 thus preventing disassembly of the shaft 44. Such disassembly is undesirable because it would allow a user to separate the constituent elements of the system 30 and thus bypass the lock provided. by the body 88.
  • the blade 120 When the plate 33 is in the unlocked position, the blade 120 is spaced from the fastener 48 and allows access to this part, as illustrated in FIG. figure 2 .
  • the blade 120 is thus positioned at a predefined location so as to cover the fastener 48 only when the plate 33 is in its locking position.
  • the angular offset, measured parallel to the plane P and around the axis X1 between the protection blade 120 and the geometric center of the orifice 84 is the same as the angular offset, measured in the same way, between the fastener 48 and the geometric center of the orifice 56.
  • the rotary member 32 comprises a groove 130 formed on one of its outer faces and opening onto a volume at least partly defined by an inner wall of the rotary member 32, as illustrated in FIG. figure 5 .
  • the groove 130 is a slot which passes through the body 52 and which opens on either side of the body 52 on opposite sides of the body 52.
  • the groove 130 comprises a main portion 132 and a secondary portion 134.
  • the groove 130 extends here parallel to the geometric plane P.
  • the main portion 132 has a first opening thickness E1, measured along a radial axis of the body 52 parallel to the plane P between opposite edges of this main portion of the groove 130.
  • the secondary portion has a second radial thickness E2 measured from similarly, parallel to the plane P between opposite edges of this secondary portion 134.
  • the thickness E2 is greater than the thickness E1.
  • the plate 33 comprises, in turn, a claw 136 protruding from the rear face of the plate 33.
  • the claw 136 is slidably mounted inside the groove 130 when the plate 33 is in a assembled state with the control system 30. More specifically, the claw 136 is inserted inside the groove 130 so that a retaining portion 138 of the claw 136 is supported on the rear face of the body 52.
  • the portion 138 has a width E3 which is greater than the opening thickness E1 of the main portion 132 of the groove 130. Thus, the portion 138 prevents any displacement in translation of the plate 33 relative to the rotary member 32 along the axis X1.
  • the claw 136 moves only along the main portion 132 of the groove 130.
  • the plate 33 has three claws 136 and the member 32 has three grooves 130 identical to each other and each receiving a corresponding claw 136.
  • the claws 136 and the grooves 130 are preferably evenly distributed around the axis X1, at 120 ° in the example.
  • the abutment 134 defines a mounting position of the plate 32 separate from the locking and unlocking positions. In this mounting position, the plate 33 is displaceable in translation relative to the rotary member 32 along the axis X1 to insert the or each claw 136 in the corresponding groove 130.
  • the portion 106 of the zone 100 prevents the plate 33 from returning to its mounting position once the claw 136 is inserted into the groove 130. Because this portion 106 protrudes with respect to the plane P2 as described above, and therefore parallel to the axis X3, it does not allow to move in translation the pin 60 from its retracted position to its deployed position by turning the plate 33, in the manner of what is achieved with the inclined portion 102 .
  • control system 30 An example of use of the control system 30 will now be described with reference to Figures 1 to 5 .
  • the plate 33 is in a disassembled state of the system 30.
  • the pin 60 and the return member 68 are previously mounted in the device 30.
  • the plate 33 is first mounted on the rotary member 32, for example in threading the portion of the rotatable member 32 carrying the cavity 46 through the central orifice 80 of the plate 33.
  • the plate 33 is rotated so that the claw 136 is disposed opposite the secondary portion 134 of the groove 130.
  • the plate 33 is then in its mounting position.
  • the plate 33 is then pushed towards the member 32 along the axis X1. In doing so, the claw 136 enters the groove 130.
  • the proximal end 70 of the pin 60 is pushed by the plate 33, which causes a movement of the pin 60 in its retracted position.
  • the plate 33 is rotated relative to the rotatable member 32 so as to bring the plate 33 into its unlocking position, as shown in FIG. figure 4 .
  • the plate 33 is rotated in the direction illustrated by the arrow F1 during this rotation, the claw 136 leaves the secondary portion 134 to penetrate inside the main portion 132 of the groove 130.
  • the plate 33 is moves relative to the pin 60 until the housing defined by the parts 102, 104 and 106 of the plate 33 is brought opposite the proximal end 70 of the pin 60. Then, the plate 33 is no longer in contact with the end 70 and no longer opposes the force E68 exerted by the member 68.
  • the counter 60 is pushed towards its retracted position until it comes into abutment against the straight part 104 of the plate 33. Because of the straight part 106, it is no longer possible to impose on the plate 33 a rotation movement in the direction reverse to return to the mounting position. Thus, it is avoided that the plate 33 can be spaced along the axis X1 of the rotary member 32 when it is in the locking position, which would have the effect of rendering inoperative the locking exerted by the locking device 50 on the rotary member 32. If this occurred, the rotatable member 32 could then be manipulated, accidentally or maliciously, to switch the electrical apparatus 20 to its active state in an unauthorized manner.
  • the blocking device is in its release configuration.
  • the rotary member 32 is freely movable between its first and second positions to switch the electrical device between its active and off states.
  • the door 12 is closed and the control of the apparatus 20 is effected by means of the handle 36 from the outside of the cabinet 2.
  • the door 12 is open.
  • the plate 33 rotates about the axis X1 relative to the rotary member 32, for example manually, until the orifices 84 and 56 overlap and form the opening 86.
  • the bearing zone 100 moves until the inclined portion 102 comes into contact with the head 72 of the pin 60, exerting the effort E102 as described above.
  • the progressive rotation of the plate 33 moves the pin 60 towards its deployed position in the hole 66.
  • the plate 33 is in its locked position, as illustrated in FIG. figure 3 .
  • the pin 60 is in its extended position and prevents any rotational movement of the rotary member 32 relative to the frame 34.
  • the plate 33 When a user removes the locking member 88, the plate 33 is again movable relative to the rotary member 32. The plate 33 is then rotated in an opposite direction of rotation and the zone 100 moves in a direction of rotation. opposite to the one illustrated by the arrow F1. Under the force E68, the pin 60 moves to its position retracted up to abut against the portion 104. Meanwhile, the orifices 84 and 56 move away from each other making it impossible to insert a locking tool to secure between them the plate 33 and the rotating member 32. The plate 33 is then in its unlocked position, as shown in FIG. figure 2 . Rotating member 32 is freely movable to its second position to switch electrical apparatus 20 to its active state.
  • control system 30 includes an additional control handle 200, as illustrated only on the figure 6 .
  • the handle 200 is mounted on the shaft 44 inside the cabinet 2. This handle 200 is distinct from the handle 36.
  • the handle 200 is configured to facilitate a rotational movement of the shaft 44 around the X1 axis by a user. It also prevents this rotation is accidental.
  • the handle 200 comprises an outer body 202 provided with a central bore 204 allowing the passage of the shaft 44.
  • the handle 200 further comprises a movable portion 206 displaceable in translation relative to the body 202 along an integral Y1 axis of the outer body 202 and perpendicular to the axis X1.
  • the movable portion 206 has an outer portion 208 and jaws 210 defining a housing 212.
  • the movable portion 202 is movable, along the axis Y1, between a first position in which the shaft 44 is remote from the jaws 210 and is outside the housing 212, and a second position in which the shaft 44 is enclosed by the jaws 210 inside the housing 212.
  • the handle 200 further comprises a return member 214, such as a spring, configured to exert a return force on the movable portion 206 along the axis Y1 to bring the movable portion 206 to its first position.
  • a return member 214 such as a spring
  • the handle 200 When the movable portion 206 is in its first position, the handle 200 is rotatable relative to the shaft 44 about the axis X1. Thus the setting in motion of the handle 200 does not cause corresponding rotation of the shaft 44.
  • the handle 200 still exerts a non-zero force on the shaft 44, to prevent the handle 200 from sliding freely on the shaft 44, which allows to maintain it at a desired location by a user.
  • the handle 200 When the movable portion 206 is in the second position, the handle 200 is rotationally integral with the shaft 44 about the axis X1, thanks to the action of the jaws 210 on the shaft 44. A rotating movement of the handle 200 therefore causes a corresponding rotational movement of the shaft 44 about the axis X1.
  • the passage between the first and second positions of the movable portion 206 is effected by exerting pressure on the outer portion 208 along the Y1 axis. When this pressure is sufficiently high, it opposes the return force by the return member 214 and causes displacement of the movable portion to its second position. When no pressure is exerted on the outer portion 208, the movable portion 206 returns to its first position under the effect of the return member 214.
  • the handle 200 can be used only when a force is applied on the outer portion 208. In this way, it is ensured that the rotation of the handle 200 is the result of a deliberate action on the part of a user and not an accidental movement exerted on the handle 200.
  • the handle 200 can be implemented independently of the control system 30 described above.
  • the apparatus 20 is not an electrical apparatus. It can be a controllable valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Security & Cryptography (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Lock And Its Accessories (AREA)
  • Casings For Electric Apparatus (AREA)
EP17156599.7A 2016-02-19 2017-02-17 Système de commande rotative pour un appareil Active EP3208820B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1651363A FR3048119B1 (fr) 2016-02-19 2016-02-19 Systeme de commande rotative pour un appareil

Publications (2)

Publication Number Publication Date
EP3208820A1 EP3208820A1 (fr) 2017-08-23
EP3208820B1 true EP3208820B1 (fr) 2018-11-21

Family

ID=55808673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17156599.7A Active EP3208820B1 (fr) 2016-02-19 2017-02-17 Système de commande rotative pour un appareil

Country Status (6)

Country Link
US (1) US10345849B2 (da)
EP (1) EP3208820B1 (da)
CN (1) CN107104011B (da)
DK (1) DK3208820T3 (da)
ES (1) ES2711571T3 (da)
FR (1) FR3048119B1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11261628B2 (en) * 2017-02-08 2022-03-01 Kason Industries, Inc. Cold room latch
CN109509651B (zh) * 2017-09-15 2022-05-27 Abb 瑞士股份有限公司 开关装置和相关联的开关
CN110085463B (zh) * 2018-01-26 2023-08-01 Abb 瑞士股份有限公司 用于配电系统的构件的锁组件
FR3091447B1 (fr) * 2018-12-27 2021-01-22 Nexo Armature d’enceinte acoustique comprenant un dispositif de connexion à une autre enceinte acoustique et enceinte acoustique comportant une telle armature
EP3889983B1 (en) 2020-04-01 2024-04-03 Gorlan Team, S.L.U. Detachable knob for actuating switchgear, and a switchgear device incorporating the detachable knob
CN114070664A (zh) * 2021-10-25 2022-02-18 中国航空无线电电子研究所 一种多通道总线切换装置
CN114121518A (zh) * 2021-11-23 2022-03-01 扬戈科技股份有限公司 主令控制器的回弹复位机构

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606271A1 (de) * 1996-02-21 1997-08-28 Kloeckner Moeller Gmbh Schutzschalter mit Verriegelungsvorrichtung gegen Einschalten
DE19939717A1 (de) * 1999-08-21 2001-02-22 Moeller Gmbh Handbetätigungsvorrichtung mit Drehgriff für elektrische Schaltgeräte
US6974922B2 (en) 2004-03-30 2005-12-13 Rockwell Automation Technologies, Inc. Rotary service switch for the interior of electrical enclosures having a disconnect switch
US20070011922A1 (en) * 2005-02-11 2007-01-18 Chang-Fu Huang Disposable cup and cup cover for advertisement
FR2894041B1 (fr) 2005-11-29 2007-12-28 Schneider Electric Ind Sas Poignee de commande rotative verrouillable
US9396894B2 (en) * 2013-11-04 2016-07-19 Rocal Corporation Conductivity power connection

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
US20170242453A1 (en) 2017-08-24
FR3048119A1 (fr) 2017-08-25
ES2711571T3 (es) 2019-05-06
EP3208820A1 (fr) 2017-08-23
FR3048119B1 (fr) 2018-03-30
CN107104011B (zh) 2020-01-10
CN107104011A (zh) 2017-08-29
DK3208820T3 (da) 2019-01-14
US10345849B2 (en) 2019-07-09

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