EP1515352A1 - Vorrichtung zur elektrischen Stromabschaltung mit einem translatorisch bewegbaren Kontakt - Google Patents

Vorrichtung zur elektrischen Stromabschaltung mit einem translatorisch bewegbaren Kontakt Download PDF

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Publication number
EP1515352A1
EP1515352A1 EP04292171A EP04292171A EP1515352A1 EP 1515352 A1 EP1515352 A1 EP 1515352A1 EP 04292171 A EP04292171 A EP 04292171A EP 04292171 A EP04292171 A EP 04292171A EP 1515352 A1 EP1515352 A1 EP 1515352A1
Authority
EP
European Patent Office
Prior art keywords
lever
housing
slider
power cut
connecting rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04292171A
Other languages
English (en)
French (fr)
Other versions
EP1515352B1 (de
Inventor
Bertrand Sanchez
Philippe Grand
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SA
Legrand SNC
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 Legrand SA, Legrand SNC filed Critical Legrand SA
Priority to PL04292171T priority Critical patent/PL1515352T3/pl
Publication of EP1515352A1 publication Critical patent/EP1515352A1/de
Application granted granted Critical
Publication of EP1515352B1 publication Critical patent/EP1515352B1/de
Expired - Fee Related 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
    • H01H71/10—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
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts
    • H01H73/045—Bridging 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
    • H01H71/04—Means for indicating condition of the switching device
    • 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
    • H01H71/501—Means for breaking welded contacts; Indicating contact welding or other malfunction of the circuit breaker

Definitions

  • the invention relates generally to the field of power cut and power protection.
  • the invention relates to a device for electrical power failure, such as a switch disconnector, comprising a housing, two fixed contacts worn by the housing, a selectively movable contact applied to fixed contacts, an arming mechanism, including an actuator, to selectively move the mobile contact to the fixed contacts, and means of tripping to selectively release the contact mobile fixed contacts.
  • a device for electrical power failure such as a switch disconnector
  • a switch disconnector comprising a housing, two fixed contacts worn by the housing, a selectively movable contact applied to fixed contacts, an arming mechanism, including an actuator, to selectively move the mobile contact to the fixed contacts, and means of tripping to selectively release the contact mobile fixed contacts.
  • the moving contact is in principle moved relative to the fixed contacts by a motion of rotation.
  • the invention which lies in this context, has mainly for the purpose of proposing a device for power failure that can be controlled by a trigger movement, and in which this movement triggering and moving contact movement are of different types.
  • the device of the invention is essentially characterized in what the arming mechanism includes, besides the actuator, a drive slider carrying the mobile contact, solicited in a first direction by a first elastic force, and selectively moved, by the actuator, sliding relative to the housing from an inactive position into a active position in a second reverse direction of the first direction and along a first passing axis between the two fixed contacts, and that the means of trigger include a transmission mechanism and a lever-type lock, the latch being mounted on the slide, comprising a first rocking lever controlled by the transmission mechanism, and disengaging selectively the slider of the actuator.
  • the first lever as far as where it is rocking, is adapted to receive a movement type of circular trigger that the transmission mechanism, even as the contact mobile, carried by the slide, makes movements translation in the housing.
  • the moving contact is carried with a freedom of sliding by the slide and requested, relative to the slide, by a second force elastic exerted in the second direction, this moving contact being in the active position of the slide, applied by the second elastic force on the fixed contacts, and being in the inactive position of the slider, applied by the second elastic force on an abutment of the slide and released from fixed contacts.
  • the actuator comprises for example a mounted joystick pivoting on the housing, an eccentric solidary of the joystick, and a connecting rod whose first end is articulated on the eccentric and whose a second end is engaged in an elongate lumen of the slide.
  • the rocking lever lock selectively adopts a locked configuration and a unlocked configuration, and that in the locked configuration, the first lever is, under the effect of a third elastic force, in a first relative position of rotation with respect to slide in which this first lever defines selectively an engaged configuration of the connecting rod by maintaining the second end of this connecting rod in a eye delimited on one side by a cutout of this first lever and on the other hand by a first formed slope by a first end of the light of the slider and having a non-zero inclination with respect to the first axis.
  • the first lever is then placed, by the transmission mechanism acting against the third elastic force, in a second relative rotational position by relation to the slider, in which the eye is opened by relative distance from the cutting of the first lever and the first slope and allows the connecting rod to pass from its committed configuration to a disengaged configuration by sliding of its second end on the first slope and free sliding of this second end in the light of the slider on at least part of the stroke that the slide has between its position active and its inactive position.
  • the actuator selectively drives the slide in the second direction, through of the connecting rod in the engaged configuration, by pivoting the handle from a rest position to a position interlocking, that the handle reaches the position active slider.
  • this connecting rod passes by an intermediate position in which it is aligned on the first axis by its first and second ends.
  • the controller is urged towards its rest position by a fourth elastic force, and that the cutting of the first lever be lined by a third low slope inclination relative to the connecting rod in configuration disengaged, so that in the position triggering the controller and configuration disengaged from the connecting rod, the second end of this connecting rod transiently pass the first lever of its first to its second relative position of rotation, under the effect of the fourth elastic force, by sliding with support on the third slope.
  • the connecting rod is constituted by a rider shaped in "U" having first and second side branches respectively constituting the first and second ends of this rod and joined together by a common basis.
  • the transmission mechanism may include a second lever mounted tilting in the housing and having a relief selectively driven, for example by a pawn external mobile protruding into the housing through a first window practiced in this case, and a kinematic connection determining the rotational position of the first lever according to at least one position of rotation of the second lever, this kinematic connection including at least one ergot carried by this second lever.
  • the kinematic link may further include a third lever mounted tilting in the housing, this third lever being selectively driven by the second lever and comprising a finger drive in support on the first lever as well as a groove in which the drive pin of the second lever is slidably received, the second and third levers performing respective rotational movements of lower angular amplitude and greater amplitude angular when passing the first lever of its first to its second relative position of rotation.
  • the controller comprises for example a hub of which a part is visible from the outside of the case, and the part visible from the hub can carry a first status indicator, itself visible from the outside of the housing in the rest position of the joystick and hidden by the housing in any position of the controller for which, in engaged configuration of the connecting rod, the slider adopts a position between its active position and a intermediate position between its active and inactive.
  • the device of the invention may also comprise a mobile status indicator, adopting a position related to the position of the slide, and carrying a second sight masked by the housing in the inactive position of the slider, and visible from the outside of the housing in any position of the slide between its position intermediate and its active position.
  • a mobile status indicator adopting a position related to the position of the slide, and carrying a second sight masked by the housing in the inactive position of the slider, and visible from the outside of the housing in any position of the slide between its position intermediate and its active position.
  • This mobile status indicator can advantageously carry also a third status light visible from the outside housing in the inactive position of the slider, and hidden by the housing in any position of the slider between its intermediate position and its position active.
  • the case and the third status light are for example of the same color, while the first status light, the second status light, and the housing are all three of different colors.
  • the invention relates to a electric power cutoff device, and more precisely a switch disconnector susceptible to be triggered by an auxiliary organ (no represent).
  • This device which is in the form of a module, comprises a housing 1 for example formed of a bottom 1a and a lid 1b.
  • Housing 1 carries two fixed contacts 21 and 22, riveted on respective conductive supports 21a and 22a and associated with respective wire clamps 21b and 22b, in which input and output conductors (no represented) are held prisoner by the tightening of corresponding screws 21c and 22c.
  • the electrical contact between the input and may be established or interrupted by means of a mobile contact 20.
  • the movable contact 20 is selectively applied to the fixed contacts 21 and 22 by means of a arming mechanism 3, and released from the fixed contacts 21 and 22 by triggering means 4.
  • the mechanism 3 comprises an actuator 31 and a slider of training 32.
  • the slide 32 which carries the movable contact 20, is submitted on the one hand to the solicitation of a force elastic member exerted by a first spring 51 according to the direction D1 (upwards on the figures), and other part to the driving force that the actuator 31 can exercising on him, under certain conditions, following the direction D2 inverse of the first direction D1 (and therefore down on the figures).
  • the slide can thus be moved in translation by compared to the housing 1, along a Z axis passing between the two fixed contacts 21 and 22, from a position inactive illustrated in Figure 3 to a position illustrated in Figure 2 under the effect of the actuator 31, and from its active position to in its inactive position under the effect of the spring 51.
  • the movable contact 20 is carried by the slide 32 with a freedom of sliding and subjected, compared to the slider 32, to the solicitation of an elastic force exerted by a second spring 52 in the second direction D2.
  • the contact mobile 20 is thus applied to the fixed contacts 21 and 22 by the spring 52, while in the position inactive of the slider 32, the movable contact 20 is applied by the spring 52 to a stop 321 of the slide, thus adopting a position in which he is clear of the fixed contacts 21 and 22.
  • Stops such as 13 (FIGS. 2 and 3) are example provided in the housing 1 to limit the race of the movable contact 20 and the slider 32 under the effect of the force exerted by the spring 51.
  • the trigger means 4 include a mechanism for transmission 41, and a latch 42 mounted on the slider 32.
  • the latch 42 which can be controlled at any time by the transmission mechanism 41 for disengaging the slider 32 of the actuator 31, essentially comprises a lever 421 mounted tilting on the slide 32 about an axis X.
  • This rocking lever (FIGS. 4a, 4b and 8a, 8b), which is for example shaped as a screed and which caps the end upper slider 32, is permanently solicited by a spring 53 to a first relative position of rotation relative to the slide 32, clearly visible on Figure 8a.
  • the latch 42 then adopts a configuration which will be called "locked”.
  • the actuator 31 ( Figure 1) comprises a joystick 311 pivotally mounted on the housing 1 via a hub 311a, an eccentric 312 integral with the handle 311, and a rod 313.
  • the rod 313 is for example constituted by a jumper shaped "U" having two end lateral branches 313a and 313b joined together by a common base 313c, the branches 313a and 313b respectively constituting the upper and lower ends of this rod 313.
  • the light 322 is substantially parallel to the Z axis in its lower part but present, in its part superior, a deviation showing a slope 323 inclined with respect to the Z axis.
  • the swing lever 421 has a cut-out 420 which, in the locked configuration of the latch 42, cooperates with the inclined upper part of the light 322 to define an eye 320, preferably closed, in which the lower end 313b of the connecting rod 313 can be held prisoner.
  • the lever tilting 421 can be moved by the mechanism of transmission 41, acting against the spring 53, until reaching another relative position of rotation relative to the slide 32 in which the eye 320 opens by relative distance from the cutout 420 of 421 tilting lever and 323 322 slope of the slider 32, the latch 42 then adopting a configuration that will be said "unlocked".
  • the connecting rod 313 thus moves from its engaged configuration to a configuration that will be called “disengaged".
  • the slider 32 is disengaged from the actuator 31 and returns to its inactive position since it is only subjected to the force of the spring 51.
  • the actuator 31 can, by through this rod, drive the slider 32 to its active position in the direction D2 (in the occurrence down) by pivoting the joystick 311 from its rest position ( Figure 3) to its switch-on position ( Figure 2), the position engaging the joystick 311 placing the slider 32 in its active position.
  • Figures 8a and 8b which show that the finger 412a can slide on the first lever 421 when triggering, allow to emphasize the importance of lever lock assembly tilting on the slider.
  • the movement of translation of the finger 412a could be directly printed from the outside of the case through a window such as 11, but of rectilinear form.
  • the actuator 31 has a arrangement of the type known to those skilled in the art under blocking designation “toggle” or “dead center” exceeded “, defined by the fact that when the controller 311, in the engaged configuration of the connecting rod, passes from its rest position at its latching position, this connecting rod passes through an intermediate position in which the compression of the spring 51 is maximum, the segment of line formed by the ends 313a and 313b of this connecting rod then being aligned on the Z axis, on which also finds the center of rotation of the eccentric 312.
  • the cutout 420 of the first lever 421 has a slope 420a intended for with the slope 323 of the light 322 of the slide 32, the bearing force that the end 313b of the connecting rod, in the engaged configuration thereof, exerts on the eye 320 in the interlocking position of the joystick 311.
  • the end 313b of the connecting rod 313 exercises, on slopes 323 and 420a, first and second respective support forces, the first of which is substantially greater than the second, and for example less than twice the support force exerted on the slope 420a.
  • the cutout 420 of the first lever 421 is bordered by another slope 420b (FIG. inclination relative to the connecting rod 313 in configuration disengaged, and the handle is biased towards its position resting by a spring 54.
  • the transmission mechanism 41 comprises, for example, the minus a second lever 411 and a kinematic link.
  • the second lever 411 (FIGS. 1 to 3 and 6a, 6b) is mounted tilting in the housing 1 and has a relief 411a, for example a groove, which can be led to will by an external movable pin (not shown), belonging to an auxiliary module adjacent to the device of the invention, and protruding into the housing 1 through a window 11 in an arc of circle practiced in this case 1.
  • the kinematic link comprises at least one lug 411b carried by this second lever 411 but can also include a third lever 412 mounted tilting in the housing 1 ( Figures 1 to 3 and 7).
  • This third lever 412 which is intended to be driven by the second lever 411, then itself comprises a drive finger 412a resting on the first lever 421 and a groove 412b in which the lug 411b of the second lever 411 is received at sliding.
  • this third lever 412 The role of this third lever 412 is to amplify the angular movement of the second lever 411, that is to say that when the first lever 421 goes from its first relative rotation position (FIG. 8a) at its second relative rotation position ( Figure 8b), the third tilting lever 412 performs a rotational movement of greater angular amplitude than the motion of rotation performed by the second rocking lever 411.
  • the hub 311a of the handle 311 is rotatably mounted in the housing 1, as shown in Figure 2, so part of this hub is visible from outside the box 1, even if the latter is opaque, which corresponds to the preferred embodiment of the invention.
  • the visible portion of the hub 311a carries a first sight 61 (FIG. 3), intended to inform the user of the device of the invention that the electrical circuit controlled by this device is open, in other words that the movable contact 20 is disengaged from the fixed contacts 21 and 22.
  • the status indicator 61 is itself visible from the outside of the housing 1 in the rest position of the joystick 311.
  • the status indicator 61 is masked by the opaque side wall of the housing 1 in any position of the handle 311 for which, in the engaged configuration of the connecting rod 313, the slider 32 adopts a position between its active position and a intermediate position between its active and inactive positions.
  • the device of the invention also advantageously comprises a mobile status indicator 60, which permanently adopts a position linked to the position of the slider 32.
  • this indicator 60 also takes the form a lever mounted tilting on the housing 1 and is equipped of a cam 600 in which slides a finger 325 (Figure 2) integral with an extension 324 ( Figure 5) of the slide 32.
  • the status indicator 60 carries a second status indicator 62, intended to inform the user of the device of the invention that the electric circuit controlled by this device is closed, ie the moving contact 20 is applied by the spring 52 on the fixed contacts 21 and 22.
  • the second status indicator 62 is masked by the side wall of the housing 1 in the position inactive of the slider 32, but visible from outside the casing 1, for example through a window 12 of this housing ( Figure 1), in any position of the slider 32 between its intermediate position and its position active.
  • the first and second state lights 61 and 62 are of different colors to each other, for example respectively green and red, and of a different color from that of the housing 1, for example yellow, so as to allow discrimination optimal states reported by these lights.
  • the mobile status indicator 60 may furthermore carry a third status indicator 63, which is particularly advantageous in the case where the module constituted by the device of the invention is coupled to other adjacent modules by means of a bar (not shown) inserted in the opening 310 of the hub 311a of each of the coupled modules.
  • the joysticks 311 of different coupled modules all adopt the same position, so same as the respective slides 32 of these different modules can be in different positions.
  • the movable contact 20 of any of these modules remains, as a result of failure, welded to fixed contacts 21 and 22 of this module, the slides of all non-faulty modules will be in position inactive, while the slider of the failed module will remain in active position.
  • the third status light 63 can be carried by the mobile status indicator 60 of way to be visible from the outside of the housing 1, to through window 12, in the inactive position of slide 32, and hidden by the casing 1 in all position of the slide 32 between its position intermediate and its active position.
  • this third status indicator 63 is preferably the color of the housing, for example yellow.
  • this state is indicated by the second indicator 62 of this module, red in color in the example taken above.
  • state lights such as 61 to 63 can be used not only on a current cutoff device in which the movement triggering and moving contact movement are of different types but more generally on a current cut-off device with an actuator such that 31 and a slider such as 32, regardless of the particular form given to the triggering means 4.

Landscapes

  • Mechanical Control Devices (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
EP04292171A 2003-09-11 2004-09-09 Vorrichtung zur elektrischen Stromabschaltung mit einem translatorisch bewegbaren Kontakt Expired - Fee Related EP1515352B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04292171T PL1515352T3 (pl) 2003-09-11 2004-09-09 Urządzenie wyłączające prąd elektryczny ze stykiem ruchomym poruszającym się ruchem postępowym

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0310707 2003-09-11
FR0310707A FR2859815B1 (fr) 2003-09-11 2003-09-11 Dispositif de coupure de courant electrique a contact mobile en translation

Publications (2)

Publication Number Publication Date
EP1515352A1 true EP1515352A1 (de) 2005-03-16
EP1515352B1 EP1515352B1 (de) 2011-11-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP04292171A Expired - Fee Related EP1515352B1 (de) 2003-09-11 2004-09-09 Vorrichtung zur elektrischen Stromabschaltung mit einem translatorisch bewegbaren Kontakt

Country Status (4)

Country Link
EP (1) EP1515352B1 (de)
AT (1) ATE532199T1 (de)
FR (1) FR2859815B1 (de)
PL (1) PL1515352T3 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102760606A (zh) * 2011-04-27 2012-10-31 罗格朗法国公司 具有简化结构的用于中断电流的设备
WO2013041801A1 (fr) * 2011-09-22 2013-03-28 Hager-Electro Sas Appareils electriques de protection de ligne dotes de moyens d'indication de defaut electrique sur la ligne
CN110289197A (zh) * 2019-07-05 2019-09-27 苏州未来电器股份有限公司 一种具有保持功能的过欠压保护机构
WO2021001075A1 (de) * 2019-07-03 2021-01-07 Ellenberger & Poensgen Gmbh Schutzschalter
CN112816824A (zh) * 2021-02-08 2021-05-18 宏翎电气科技(上海)有限公司 监控装置及监控方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030371A (en) * 1978-09-05 1980-04-02 Weber Ag Fab Elektro Thermally-tripped two-pole protective switch
WO1997045852A1 (en) * 1996-05-30 1997-12-04 Panorama Hi-Tech Trading Co. Ltd. Fast tripping electrical switching device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030371A (en) * 1978-09-05 1980-04-02 Weber Ag Fab Elektro Thermally-tripped two-pole protective switch
WO1997045852A1 (en) * 1996-05-30 1997-12-04 Panorama Hi-Tech Trading Co. Ltd. Fast tripping electrical switching device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102760606B (zh) * 2011-04-27 2015-11-25 罗格朗法国公司 具有简化结构的用于中断电流的设备
EP2518753A1 (de) * 2011-04-27 2012-10-31 Legrand France Unterbrechungsvorrichtung für elektrischen Strom mit vereinfachter Struktur
FR2974663A1 (fr) * 2011-04-27 2012-11-02 Legrand France Dispositif de coupure de courant electrique a structure simplifiee
CN102760606A (zh) * 2011-04-27 2012-10-31 罗格朗法国公司 具有简化结构的用于中断电流的设备
RU2584877C2 (ru) * 2011-04-27 2016-05-20 Легран Франс Устройство для прерывания электрического тока с упрощенной структурой
WO2013041801A1 (fr) * 2011-09-22 2013-03-28 Hager-Electro Sas Appareils electriques de protection de ligne dotes de moyens d'indication de defaut electrique sur la ligne
CN103946948A (zh) * 2011-09-22 2014-07-23 黑格电子股份有限公司 具有指示线路电气故障的装置的电气线路保护装置
AU2012311345B2 (en) * 2011-09-22 2016-01-07 Hager-Electro Sas Electrical line protection device provided with means of indicating an electrical fault on the line
FR2980635A1 (fr) * 2011-09-22 2013-03-29 Hager Electro Sas Appareils electriques de protection de ligne dotes de moyens d'indication de defaut electrique sur la ligne.
CN103946948B (zh) * 2011-09-22 2016-08-24 黑格电子股份有限公司 具有指示线路电气故障的装置的电气线路保护装置
WO2021001075A1 (de) * 2019-07-03 2021-01-07 Ellenberger & Poensgen Gmbh Schutzschalter
US11984282B2 (en) 2019-07-03 2024-05-14 Ellenberger & Poensgen Gmbh Circuit breaker
CN110289197A (zh) * 2019-07-05 2019-09-27 苏州未来电器股份有限公司 一种具有保持功能的过欠压保护机构
CN110289197B (zh) * 2019-07-05 2024-06-04 苏州未来电器股份有限公司 一种具有保持功能的过欠压保护机构
CN112816824A (zh) * 2021-02-08 2021-05-18 宏翎电气科技(上海)有限公司 监控装置及监控方法

Also Published As

Publication number Publication date
PL1515352T3 (pl) 2012-03-30
ATE532199T1 (de) 2011-11-15
EP1515352B1 (de) 2011-11-02
FR2859815B1 (fr) 2005-12-02
FR2859815A1 (fr) 2005-03-18

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