EP3297016B1 - Dispositif de coupure comportant un organe de réarmement - Google Patents

Dispositif de coupure comportant un organe de réarmement Download PDF

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Publication number
EP3297016B1
EP3297016B1 EP17191259.5A EP17191259A EP3297016B1 EP 3297016 B1 EP3297016 B1 EP 3297016B1 EP 17191259 A EP17191259 A EP 17191259A EP 3297016 B1 EP3297016 B1 EP 3297016B1
Authority
EP
European Patent Office
Prior art keywords
cut
resetting
axis
trigger
bearing
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
EP17191259.5A
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German (de)
English (en)
French (fr)
Other versions
EP3297016A1 (fr
Inventor
Frédéric Court
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
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Priority to PL17191259T priority Critical patent/PL3297016T3/pl
Publication of EP3297016A1 publication Critical patent/EP3297016A1/fr
Application granted granted Critical
Publication of EP3297016B1 publication Critical patent/EP3297016B1/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
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/22—Operating parts, e.g. handle
    • H01H21/30—Operating parts, e.g. handle not biased to return to a normal position upon removal of operating force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/04—Cases; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
    • H01H21/02—Details
    • H01H21/18—Movable parts; Contacts mounted thereon
    • H01H21/36—Driving mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0228—Mounting or assembling the different parts of the circuit breaker having provisions for interchangeable or replaceable parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/32—Electromagnetic mechanisms having permanently magnetised part
    • H01H71/321—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements
    • H01H71/322—Electromagnetic mechanisms having permanently magnetised part characterised by the magnetic circuit or active magnetic elements with plunger type armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/52—Manual reset mechanisms which may be also used for manual release actuated by lever
    • H01H71/521—Details concerning the lever handle
    • 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

Definitions

  • the present invention relates to a cut-off device.
  • cut-off devices comprise a cut-off member and a control mechanism designed to open or close the cut-off member and thus prevent or allow the passage of an electric current through the cut-off member.
  • the control mechanism makes it possible to ensure the opening or closing of the cut-off device according to precise specifications, in particular in terms of speed of opening.
  • a trigger is a module for controlling the opening in the event of detection of an electrical fault, for example if a voltage is higher or lower than predefined thresholds, or a short circuit or an overload current .
  • a moving part of the trigger moves from an initial position to a trigger position to come to actuate the control mechanism, and thus trigger the opening of the cutoff member.
  • such triggers In order to restore the flow of electric current, such triggers must be reset when they were triggered by the detection of a fault, that is to say that the moving part must be returned to its initial position to allow the closure of the cut-off device.
  • Triggers are often provided in the form of optional modules, which allows the switching device to be adapted to many different installations, each type of trigger being provided to trigger the shutdown in response to specific faults. Thus, the same cut-off device frequently includes several triggers of different types.
  • the object of the invention is to propose a cut-off device which is more reliable than the cutting devices of the state of the art.
  • the cut-off device is according to any one of claims 2 to 10.
  • a cutoff device 10 has been shown on the figure 1 .
  • the cut-off device 10 is a circuit breaker.
  • the cut-off device 10 is a three-phase circuit breaker.
  • the cut-off device 10 is a switch such as a three-pole switch or a four-pole switch.
  • the breaking device 10 comprises an envelope, at least one breaking member 15, at least one trigger 20 and a control mechanism 25.
  • the cut-off device 10 has several breaking members 15.
  • the cut-off device 10 comprises three cut-off devices 15, one for each phase.
  • the cut-off device 10 comprises a plurality of triggers 20.
  • the cut-off device 10 comprises two triggers 20.
  • Each cutoff member 15 has an input connection pad 30 and an output pad pad 35.
  • the cutoff member 15 is adapted to switch between a closed position and an open position.
  • the cut-off member 15 When the cut-off member 15 is in the closed position, the cut-off member 15 allows the passage of an electric current between the input connection pad 30 and the output pad pad 35.
  • the cut-off member 15 When the cut-off member 15 is in the open position, the cut-off member 15 prevents the passage of an electric current between the input connection pad 30 and the output pad pad 35.
  • Each cutoff member 15 is configured to be moved between the open position and the closed position by the control mechanism 25.
  • the envelope is configured to isolate the cutoff member 15, the trigger (s) 20 and the control mechanism 25 from the outside of the housing.
  • the envelope delimits a chamber adapted to receive the cut-off member (s) 15, the trigger (s) 20, and the control mechanism 25.
  • the envelope delimits a plurality of clean locations each to receive a trigger 20.
  • the envelope delimits two locations.
  • the envelope is constituted by the meeting of a set of walls carried by separate parts.
  • the cut-off device 10 comprises a cover, at least two partitions and at least one spacer separating two cut-off members 15 from each other and further comprising a wall, and the envelope is formed by the meeting at least of the wall, the two partitions and the lid.
  • the envelope comprises a monobloc housing and a cover.
  • the breaking device 10 comprises a first trigger and a second trigger, each trigger 20 being received in a corresponding location.
  • the first trigger is identified on the figure 1 by a reference 20A and the second trigger by a reference 20B.
  • Each trigger 20 is configured to control the movement of the cutoff member 15 from its closed position to its open position.
  • each trigger 20 comprises a trigger member 40.
  • Each trigger 20 is configured to move the corresponding trigger member 40 between an armed position and a trigger position.
  • Each trigger 20 is removable relative to the envelope.
  • each trigger 20 is able to be extracted from the casing independently of the control mechanism 25.
  • each trigger 20 is able to move the trigger member 40 corresponding from its armed position to its trigger position in response to the detection of an electrical fault.
  • each trigger 20 is adapted to receive from a detector an electrical fault detection signal.
  • the electrical fault is, for example, a short-circuit current, an overload current, or an insulation fault.
  • a trigger 20 is a voltage-free trigger, configured to move the trip member 40 to its trip position if a voltage of the electric current is less than a single predetermined threshold.
  • At least one trigger 20 is a current-release trigger, configured to move the trigger member 40 to its tripping position if a voltage of the electric current is greater than a predetermined threshold.
  • the trigger member 40 is movable relative to the control mechanism 25 between its armed position and its trigger position, and vice versa.
  • the trigger member 40 is configured to control the movement of the cutoff member 15 from its closed position to its open position when the trigger member 40 moves from its armed position to its trigger position.
  • the trigger member 40 is, for example, in the form of a cylinder extending along a main direction DP.
  • the trigger member 40 then has an end face 42 perpendicular to the main direction DP.
  • the end face 42 defines the trigger member 42 along the main direction DP.
  • the trigger member 40 is, for example, movable in translation along its main direction DP between its armed position and its trigger position.
  • the trigger member 40 is rotatable between its armed position and its trigger position.
  • the triggering member 40 When the trigger member 40 is in its armed position, the triggering member 40 is at least partially accommodated in a casing of the trigger 20. When the trigger member 40 is in its armed position, the trigger 20 is clean. to control the switching of the cutoff member 15. For example, when the trigger member 40 is in its armed position, a spring is compressed in the trigger 20. The spring is clean, when released, to move the trigger member 40 from its armed position to its trigger position.
  • the tripping member 40 When the tripping member 40 is in its tripped position, the tripping member 40 is at least partially extracted from the envelope of the trigger 20.
  • the trigger member 40 moves from its armed position to its tripped position, the trigger member 40 moves from within the trigger housing 20 to the outside of the trigger envelope. 20.
  • a reset force Fr is defined for each trigger 20.
  • the resetting force Fr is the minimum value of the force that must be applied to the trigger member 40 of the trigger 20 considered to move the trigger member 40 from its position. trigger to his armed position.
  • the resetting force Fr of the first trigger 20A is different from the resetting force Fr of the second trigger 20B.
  • a reset stroke is further defined for each trigger 20.
  • the resetting stroke is the distance between a point of the trigger member 40 when the trigger member 40 is in the armed position and the same point when the trigger member 40 is in the trigger position.
  • the control mechanism 25 is configured to move the cutoff member 15 between its open position and its closed position.
  • the control mechanism 25 comprises a gripping member 45, at least one switch 50 and a single resetting member 55.
  • the control mechanism 25 comprises a switch 50 for each location of receiving a trigger 20.
  • the gripping member 45 is movable between a first position and a second position with respect to the cut-off member 15.
  • the gripping member 45 is movable by an operator between the first position and the second position to control the displacement of the cutoff member 15 between its open position and its closed position.
  • the gripping member 45 is shown in its first position.
  • the gripping member 45 is further adapted to bear against the resetting member 55 to move the resetting member 55 between a third position and a fourth position.
  • the gripping member 45 comprises a handle 60, also called crankpin.
  • the handle 60 is rotatable relative to the casing around a first axis A1.
  • the handle 60 is configured to bear against the resetting member 55 when the gripping member 45 is moved from its first position to its second position.
  • the handle 60 comprises a handle 65, at least one bearing 70 and at least one arm 75. According to the example of the figure 2 , the handle 60 has two arms 75.
  • the handle 65 is configured to allow an operator to manually move the gripper 45 between its first position and its second position.
  • Each bearing 70 is configured to allow a respective rotational movement between the handle 60 and the other elements of the control mechanism 25.
  • each bearing 70 is adapted to guide an arm 75 in rotation around the first axis A1.
  • the handle 60 comprises a bearing 70 for each arm 75.
  • each bearing 70 is adapted to cooperate with a respective pin extending along the first axis A1 to allow rotation of the controller 60 around of the first axis A1.
  • each bearing 70 is able to cooperate with a single first common shaft at the two bearings 70.
  • the arm (s) 75 (each) connects the handle 65 to the bearing (s) 70.
  • the two arms 75 are made of material and made from a single metal part.
  • Each arm 75 is perpendicular to the first axis A1.
  • each arm 75 is in the form of a plate perpendicular to the first axis A1.
  • each arm 75 has two main faces 80 and a lateral face 85.
  • the two main faces 80 delimit the corresponding arm along the first axis A1.
  • each main face 80 is perpendicular to the first axis A1.
  • the lateral face 85 interconnects the two main faces 80.
  • the lateral face 85 delimits the corresponding arm 75 in a plane perpendicular to the first axis A1.
  • a portion of the side face 85 forms a bearing face 90.
  • the bearing face 90 is configured to bear against the resetting member 55 when the gripping member 45 is moved to its second position.
  • the bearing face 90 is concave.
  • a first distance d1 and a first angle are defined for each point of the bearing face 90.
  • the first distance d1 is the distance between the point considered and the point of the first axis A1 closest to the point considered.
  • the first angle is the angle between the tangent at the point considered at the bearing face 90 and a straight line connecting the point considered to the first axis A1.
  • Each tangent belongs to a plane perpendicular to the first axis A1.
  • the first angle increases with the first distance d1.
  • a segment connecting the two points considered is formed of points each belonging to the bearing face 90 or not belonging to the arm 75.
  • the bearing face 90 comprises two facets F1 and F2, each facet F1, F2 being planar and the two facets F1, F2 defining, in a plane perpendicular to the first axis A1, a second angle whose opening is directed to the outside of the arm 75.
  • the second angle has a value, for example, between 90 degrees (°) and 180 degrees.
  • the first angle increases as we move from the first facet F1 to the second facet F2, which is farther from the first axis A1 than the first facet F1.
  • the second angle is a function of the first distance d1 defined by two affine functions, each affine function being defined over a range of first distances d1 respectively, the two ranges being successive, and the direction coefficient of the function affine corresponding to the range farthest from the first axis A1 is strictly greater than the director of the other affine function.
  • the second angle is a function of the first distance d1 whose second derivative is strictly positive.
  • Each switch 50 is configured to control the switching of the breaking member 15 from its closed position to its open position when the corresponding trigger member 40 moves from its armed position to its trigger position.
  • Each switch 50 is, for example, a button movable relative to the envelope and adapted to be actuated by the corresponding trigger member 40 when it reaches its trigger position.
  • the resetting member 55 is configured to move the or each trigger member 40 from its trigger position to its armed position when the operator moves the grip member 45 from its first position to its second position.
  • the resetting member 55 is unique.
  • the reset member 55 is configured to jointly move the trigger members 40 of the trip units 20 from their triggering positions to their respective armed positions.
  • the resetting member 55 is configured to simultaneously move all the release members 40 to their respective armed positions when the operator moves the gripper 45 from its first position to its second position.
  • the resetting element 55 belongs to the control mechanism 25.
  • the resetting element 55 is not removable from the casing independently of the other elements of the control mechanism 25.
  • the resetting member 55 is not removable from the housing.
  • the resetting member 55 is rotatable relative to the housing about a second axis A2.
  • the second axis A2 is parallel to the first axis A1.
  • the resetting member 55 is rotatable between its third position, shown in FIG. figure 2 , and his fourth position represented on the figure 3 .
  • the resetting member 55 When the reset member 55 is in the third position, the resetting member 55 is not in contact with the trigger member 40 of any trigger 20. In addition, when the resetting member 55 is in the third position and that the gripping member 45 is in its first position, the resetting member 55 and the gripping member 45 are not in contact with each other.
  • the resetting member 55 When the resetting member 55 is in the fourth position, the resetting member 55 bears against all the trigger members 40, which are each in their armed position.
  • the resetting member 55 comprises at least one first branch 95 and at least one second branch 100.
  • the resetting member 55 comprises two first branches 95, two second branches 100 and a rod 105.
  • the resetting member 55 is configured to transmit a movement of the gripping member 45 from its first position to its second position to the or at least one trigger member 40.
  • the resetting member 55 is configured to exercising, in response to a bearing force FA exerted by the gripping member 45 during its displacement, a displacement force FD on the or at least one of the trigger members 40.
  • Each displacement force FD tends to move the trigger member 40 corresponding to its armed position.
  • the resetting member 55 is in one piece.
  • Each first branch 95 has a first end E1 and a second end E2.
  • Each first branch 95 extends in a first direction D1.
  • the first direction D1 is perpendicular to the second axis A2.
  • Each first end E1 is provided to bear against the arm 75 or one of the arms 75 of the gripping member 45 when an operator moves the gripping member 45 to its second position.
  • each first end E1 is provided to bear against the bearing face 90 of a corresponding arm 75.
  • Each first end E1 has a fulcrum.
  • the fulcrum is the point of the first end E1 on which the support force FA is exerted by the arm 75.
  • each first end E1 comprises a roller 110.
  • Each roller 110 is configured to roll or slide against one or one of the arms 75 of the handle 60.
  • each roller 110 is provided for rolling or sliding against the bearing face 90 of a corresponding arm 75.
  • the fulcrum is a point of the roller 110.
  • rollers 110 are interposed between the two first branches 95.
  • the resetting member 55 does not comprise rollers 110.
  • the second end E2 surrounds the second axis A2 in a plane perpendicular to the second axis A2.
  • the second end E2 delimits a hole 115 for receiving a second shaft.
  • Each hole 115 is, for example, cylindrical with a circular base around the second axis A2.
  • Each second branch 100 is configured to bear against the trigger member 40 of a corresponding trigger 20.
  • Each second branch 100 extends in a second direction D2.
  • the second direction D2 is perpendicular to the second axis A2.
  • the second direction D2 is distinct from the first direction D1.
  • the second direction D2 forms an angle equal to 98 ° with the first direction D1, to 15 °.
  • each second direction D2 defines, with the first direction D1 of the first branch 95 with which its third end E3 is made of material, a plane perpendicular to the second axis A2.
  • Each second branch 100 has a first portion P1 and a second portion P2.
  • the second portion P1 has a third end E3.
  • the first portion P1 is delimited in the second direction D2 by the third end E3 and the second portion P2.
  • the third end E3 is integral with the second end E2.
  • the first portion P1 connects the second portion P2 to the second end E2 of the first branch 95.
  • the second portion P2 has a fourth end E4 and a cylindrical face 120.
  • the second portion P2 is delimited, in the second direction D2, by the fourth end E4 and the first portion P1.
  • the fourth end E4 is able to bear against the trigger member 40 of a corresponding trigger 20.
  • each second branch 100 is cylindrical with a circular base around a third axis A3.
  • Each cylindrical face 120 is designed to bear against the end face 42 of a corresponding trigger member 40 and to exert the displacement force FD on the end face 42.
  • a radius R is defined for each cylindrical face 120.
  • the radius R is the radius of the cylindrical face 120 around the third axis A3.
  • the two radii R of the two cylindrical faces 120 of the same resetting member 55 are equal. According to one variant, the two rays R are different from each other.
  • Each third axis A3 is parallel to the second axis A2.
  • a second distance d2, measured along the first direction D1, is defined between the point of contact of a first branch 95 and the second axis A2.
  • a third distance d3 is defined between the point of application, on the cylindrical face 120 of the corresponding second branch 100 and the second axis A2.
  • the resetting element 55 is configured so that the support force FA corresponding to the resetting force Fr of the first trigger 20A is equal to the support force FA corresponding to the resetting force Fr of the second trigger 20B.
  • support force FA corresponding to the resetting force Fr a value of the support force FA for which the displacement force Fr exerted by the resetting member 55 on the trigger member 40 is equal to the resetting force of the trigger 20 considered.
  • the second distances d2 of the first two branches 95 are equal to each other.
  • the third distances d3 of the two second branches 100 are such that the product of the third distance d3 of a second branch 100 and of the support force FA corresponding to the resetting force Fr of the corresponding trigger 20 is identical for the two second branches 100.
  • the resetting member 55 is then configured so that the reset force Fr of the first trigger 20A and the resetting force Fr of the second trigger 20B have the same moment with respect to the second axis A2.
  • an offset D between the two third axes A3 is strictly greater than 0.
  • the offset D is greater than or equal to 1 millimeter (mm).
  • the shift D is visible on the figure 6 .
  • the two third distances d3 are different from each other.
  • the two third distances are equal to each other, but the two second distances d2 are different from each other.
  • the rod 105 also called a flange, connects the first two ends E1 of the two first branches 95 of the same resetting member 55.
  • the rod 105 is provided to secure the first two ends E1.
  • the rod 105 secures two pairs of branches, each pair comprising a first leg 95 and a second leg 100 integral with each other.
  • the rod 105 extends in a third direction D3.
  • the third direction D3 is parallel to the second axis A2.
  • the cut-off member 15 is in its closed position and an electric current passes through the cut-off member 15 between the input connection pad 30 and the output pad pad 35.
  • the gripping member 45 is in its first position, visible on the figure 2 .
  • the trigger member 40 of each trigger 20 is in its armed position, and the resetting member 55 is in its third position.
  • an electrical fault is detected by at least one trigger 20.
  • the trigger or triggers 20 having detected the electrical fault then trigger the switching of the cutoff member 15, that is to say that the trigger member 40 of each trigger 20 having detected an electrical fault passes from its armed position to its trigger position. In doing so, the trigger member 40 actuates the corresponding switch 50, which causes the movement, by the control mechanism 25, of the cut-off member 15 from its closed position to its open position. The electric current is then cut by the breaking device 15.
  • the gripping member 45 moves from its first position to an intermediate position between its first and second positions. Alternatively, at the end of the detection step, the gripping member 45 is in its first position.
  • an operator actuates the gripping member 45 to allow the flow of current again.
  • the operator has solved the electrical fault and now wants to restore power to an installation.
  • the operator manually rotates the gripping member 45 about the first axis A1 to its second position.
  • the fifth position is an intermediate position between the first and the second position.
  • the gripping member 45 When the gripping member 45 is in the fifth position and the resetting member 55 is in the third position, the gripping member 45 bears against the resetting member 55. More precisely, the rollers 110 are then each in contact with the second facet F2 of the bearing face 90 of a corresponding arm 75.
  • the displacement of the gripping member 45 from its fifth position to its second position then causes the resetting member 55 to pivot over the second axis A2 from the third position to the fourth position.
  • rollers 110 then roll successively against the second facet F2 and then against the first facet F1.
  • a bearing force FA is then exerted on each first end E1 by the arm 75 against which this first end E1 bears.
  • the support force FA tends to rotate the resetting member 55 from its third position to its fourth position.
  • the movement of the resetting member 55 towards its fourth position brings the fourth end E4 of at least one second branch 100 bearing against the corresponding trigger member 40. More precisely, the cylindrical face 120 of the second branch 100 bears against the end face 42 of the release member 40.
  • the resetting member 55 pivoting to its fourth position, exerts a displacement force FD on the or each trigger member 40 against which it is supported.
  • the use of a single reset member 55 integrated in the control mechanism 25 makes it possible to simplify the production of the cut-off device 10.
  • the cut-off device 10 is more reliable than the cut-off devices of the state of the cut-off device.
  • the resetting member 55 is easy to manufacture and reliable operation by its great simplicity. In particular, the resetting member 55 reliably ensures the resetting of the different trip units 20. In fact, as few parts are involved during the reset, the operation of the resetting member 55 is insensitive to mechanical play. .
  • the resetting element 55 requires the same support force FA to allow the reset of each trigger 20.
  • the forces exerted by the resetting device 55 on the different arms 75 of the handle 60 are identical, which reduces the risk of twisting of the handle 60.
  • the cutoff device 10 is more reliable.
  • the resetting member 55 does not assume that the trigger members 40 have identical strokes.
  • the geometry of the bearing face 90 minimizes the forces exerted on the handle 60 by the resetting member 55 while ensuring that the bearing force FA always exerts a sufficient torque on the resetting member 55
  • the angle between the direction in which the support force FA is exerted and a straight line connecting the fulcrum to the second axis A2 is important and the torque is so high.
  • the torque experienced by the handle 60 is low.
  • the orientation of the first facet F1 allows a large range of movement of the gripping member 45.
  • the resetting member 55 comprises two pairs of branches, each pair of branches comprising a first branch 95 and a second branch 100.
  • each pair of branches comprising a first branch 95 and a second branch 100.
  • the number The number of pairs is likely to vary depending on the number of triggers used.
  • the number of first branches 95 is different from the number of second branches 100.
  • the resetting member 55 comprises a single first branch 95 bearing against the lever 60 and a plurality of second branches 100, a second branch 100 for each trigger 20.
  • the resetting element 55 comprises a single second branch 100.

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  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Surgical Instruments (AREA)
  • Mechanical Control Devices (AREA)
  • Lock And Its Accessories (AREA)
  • Air Bags (AREA)
EP17191259.5A 2016-09-16 2017-09-15 Dispositif de coupure comportant un organe de réarmement Active EP3297016B1 (fr)

Priority Applications (1)

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PL17191259T PL3297016T3 (pl) 2016-09-16 2017-09-15 Urządzenie wyłączające, zawierające człon resetowania

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FR1658708A FR3056330B1 (fr) 2016-09-16 2016-09-16 Dispositif de coupure comportant un organe de rearmement

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EP3297016A1 EP3297016A1 (fr) 2018-03-21
EP3297016B1 true EP3297016B1 (fr) 2019-02-27

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US (1) US10395864B2 (zh)
EP (1) EP3297016B1 (zh)
CN (1) CN107833803B (zh)
BR (1) BR102017014876B1 (zh)
ES (1) ES2726731T3 (zh)
FR (1) FR3056330B1 (zh)
PL (1) PL3297016T3 (zh)
RU (1) RU2756692C2 (zh)

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CN109950101B (zh) * 2019-04-10 2024-03-22 宏秀电气有限公司 户外高压断路器的操作机构及户外高压断路器及使用方法
CN112837978B (zh) * 2021-01-21 2023-05-09 浙江赫斯电气有限公司 一种具有过载断电报警功能的高压断路器开关

Family Cites Families (10)

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SU399019A1 (ru) * 1971-06-07 1973-09-27 ПРИВОД дл ЛИНЕЙНО-КОММУТАЦИОННЫХ АППАРАТОВ
US4246558A (en) * 1979-01-22 1981-01-20 Gould Inc. Auxiliary feature modules for circuit breakers
US6211758B1 (en) * 2000-01-11 2001-04-03 General Electric Company Circuit breaker accessory gap control mechanism
US20020130743A1 (en) * 2001-03-13 2002-09-19 Castonguay Roger Neil Circuit breaker modular device reset
CN1253912C (zh) * 2003-05-29 2006-04-26 刘平 电力开关器
KR100914203B1 (ko) * 2007-08-10 2009-08-27 엘에스산전 주식회사 컨택트 온 기구를 갖는 배선용 차단기
DE102008064568A1 (de) * 2008-12-19 2010-06-24 Siemens Aktiengesellschaft Einschub für einen Leistungsschalter sowie Verfahren zum Bereitstellen eines Leistungsschalters
CN101640146B (zh) * 2009-08-11 2012-01-11 上海永继电气股份有限公司 断路器的脱扣机构
CN102760618B (zh) * 2011-04-26 2015-04-08 西门子公司 断路器的脱扣机构及其断路器
RU163118U1 (ru) * 2015-10-08 2016-07-10 Индивидуальный предприниматель Кашичкина Елена Евгеньевна Механизм свободного расцепления автоматического выключателя

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Also Published As

Publication number Publication date
RU2756692C2 (ru) 2021-10-04
RU2017130314A (ru) 2019-03-01
US20180082810A1 (en) 2018-03-22
FR3056330B1 (fr) 2020-10-16
RU2017130314A3 (zh) 2020-09-29
EP3297016A1 (fr) 2018-03-21
BR102017014876B1 (pt) 2024-03-05
CN107833803B (zh) 2022-02-08
ES2726731T3 (es) 2019-10-08
BR102017014876A2 (pt) 2018-04-03
CN107833803A (zh) 2018-03-23
US10395864B2 (en) 2019-08-27
PL3297016T3 (pl) 2019-11-29
FR3056330A1 (fr) 2018-03-23

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