EP0901142A1 - Anzeigevorrichtung für elektrische fähler in eine Schaltvorrichtung, wie ein Differentialschutzschalter - Google Patents

Anzeigevorrichtung für elektrische fähler in eine Schaltvorrichtung, wie ein Differentialschutzschalter Download PDF

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Publication number
EP0901142A1
EP0901142A1 EP98410096A EP98410096A EP0901142A1 EP 0901142 A1 EP0901142 A1 EP 0901142A1 EP 98410096 A EP98410096 A EP 98410096A EP 98410096 A EP98410096 A EP 98410096A EP 0901142 A1 EP0901142 A1 EP 0901142A1
Authority
EP
European Patent Office
Prior art keywords
indicator
drawer
core
electromagnet
fault
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
EP98410096A
Other languages
English (en)
French (fr)
Other versions
EP0901142B1 (de
Inventor
Claude Burnot
Michel Meunier
Jean-Paul Cholley
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 SE
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 SE, Schneider Electric Industries SAS filed Critical Schneider Electric SE
Publication of EP0901142A1 publication Critical patent/EP0901142A1/de
Application granted granted Critical
Publication of EP0901142B1 publication Critical patent/EP0901142B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H01H71/04—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
    • H01H71/04—Means for indicating condition of the switching device
    • H01H2071/042—Means for indicating condition of the switching device with different indications for different conditions, e.g. contact position, overload, short circuit or earth leakage
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/02—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by earth fault currents

Definitions

  • differential switches or circuit breakers comprising a means of signaling of a differential fault in order to allow the user to detect the presence an insulation fault in its electrical installation.
  • Some of the known signaling means are in the form of indicator lights (systems with light emitting diodes or other indicator lights) operating under dependence from the power source of the electrical installation that the circuit breaker protects. The result that optimal security cannot be obtained for the user taking into account in particular that the information of a differential fault is not reliable whatever the state of the source.
  • the differential release includes a transformer and a relay cooperating in by means of a trigger bar with the mechanism lock, and with a lock signaling of a fault indicator lever.
  • the relay used is a two-position relay stable, of the magnetic latching type.
  • this type of relay is relatively expensive and this realization of switch implements a large number of parts.
  • the present invention provides a fault signaling device for an apparatus for breaking in particular a differential circuit breaker, of simple design, operating independently of the power source of the installation and moreover self-resetting, as well as a switch or circuit breaker equipped with this device.
  • the present invention relates to a device of the kind previously mentioned, characterized in that it comprises a means for retaining the indicator in the second aforementioned position against the action of a means of recalling said indicator in the first position, so as to store the trip information up to a closing device operation.
  • the indicator is positively driven by the electromagnet between the two aforementioned positions.
  • the aforementioned triggering means is an electromagnet with plunging core and the indicator is positively driven by the plunging core between the two aforementioned positions.
  • the contact control mechanism comprising a joystick connected by a mechanical transmission link to a drive member for contacts, the means for retaining the indicator in the second position is driven by said controller.
  • the present invention also relates to a switching device and in particular a switch or differential circuit breaker fitted with a device comprising the above characteristics taken alone or in combination.
  • a differential circuit breaker D housed in a parallelepipedic box 1, made of molded insulating material intended to be snapped onto a DIN rail (not represented).
  • This circuit breaker D is intended to be connected in an alternating network by means of connection terminals provided in the housing 1 and can fulfill several functions. He can effect trigger, and thus interrupt the electrical circuit, when an overload occurs, a short circuit or a differential fault.
  • This circuit breaker D includes a signaling means M of a differential fault allowing the user to diagnose that his electrical installation has an insulation fault and not an overload fault or a short circuit fault. Thanks to this means of signaling, the user is immediately operational to find the fault isolation, which means that the security of people and property can be maintained efficient manner.
  • this device in its two embodiments, comprises a pair of contacts (not shown) separable by pole, a mechanism for controlling the two contacts comprising a lever 2 connected by a mechanical transmission link to a member for driving the contacts, a spring for actuating the mechanism (not shown) for causing the opening of the contacts during an automatic trip on fault, a differential trip device having a transformer for detecting a leakage current and an electromagnet 11 intended to cooperate with a lock of said mechanical connection of the mechanism.
  • This electromagnet 11 comprises a plunging core 8 intended to slide in a guide tube formed by the carcass of a coil when the latter is traversed by a current, between a rest position FIGS.
  • the signaling means M comprises an indicator 5 in the form of a rod articulated around a fixed point 9 of the device, said rod 5 being connected in an articulated manner by one from its ends to the core 8 of the electromagnet 1 1 and comprising at its opposite end, an indicator 16 intended to cooperate with a window 13 provided in the upper part of the housing 1.
  • the indicator 5 also includes a lug 14 able to cooperate with a stepped part 15 of a drawer 3 slidingly mounted inside the housing 1 parallel to the displacement of the core 8. This drawer 3 is driven to slide by the handle 2 between a rest position fig.
  • the handle 2 includes a connecting pin 4 adapted to drive the drawer 3 after a certain closing stroke of the handle 2.
  • a spring 6 is interposed between the drawer 3 and the housing 1 in order to recall the drawer 3 in rest position.
  • the signaling means M comprises the same elements as previously described, but the indicator 5, articulated around the fixed axis 9, comprises a first end 5a cooperating with the retaining means 3 and a second end 5b connected to the core 8 of the electromagnet 11, so that the indicator 5 is driven by the core 8 in the direction of release and moves in rotation relative to said core when resetting the latter.
  • the signaling means M also comprises a spring 12 capable of recall the indicator 16 to a rest position after a closing operation of the contacts.
  • the circuit breaker D being closed (FIGS. 1 and 3), the circuit breaker and differential mechanisms are locked and the indicator 16 is erased, that is to say not visible through the window 13, because held in position by the part 7, itself retained by the core 8 of the differential trigger system.
  • the indicator 5 and the indicator 16 pivot around the axis 9.
  • the handle 2 released from the attachment on the circuit breaker side, and equipped with the connecting piece 4 acts on a mechanism which drives the drawer 3, which, thanks to the release of material 15 in moving from left to right (arrow B), locks the lug 14 of the indicator, and thus the keep in "visible” position (figure 2 and figure 4).
  • the spring 10 of the electromagnet 11 pushes the core 8 into rear position and thus returns the differential assembly to the working position.
  • Spring action reminder 6 pushes the drawer 3 to the rear position and thus unlocks the indicator light 16. The device is then in the working position and able to fulfill its role.
  • the circuit breaker D being closed, FIG. 9, the mechanisms circuit breaker and RCDs are locked and LED 16 is cleared.
  • the indicator 5 and therefore the indicator rep. 16 pivots around the axis 9.
  • the lever 2 freed from latching on the circuit breaker side, and equipped with the connecting piece or lug 4, comes take charge of drawer 3 which, moving from left to right (arrow B), comes lock the lug 14 of the indicator 16, and thus keep it in the "visible" position.
  • the core 8 then returns to its initial position as soon as the circuit breaker is open (not visible, which is made possible by the fact that indicator 5 can move in rotation relative to the core 8 in this direction).
  • the return spring 6 pushes the drawer 3 into the rear position and unlocks the indicator 16.
  • the spring 12 then recalls the indicator 16 in its hidden position.
  • the device is then in working position and able to fulfill its role.
  • window 13 also has function of protecting internal mechanisms against external penetration of the body strangers.
  • the clearing of the signaling is achieved by the simple closing operation of the circuit breaker by the user (some devices require action in two operations).
  • the presence of the window in transparent material makes it possible to protect the device against external interventions. Indeed, it does not allow dust and other pollution to enter the device and an external intervention on the operation of the indicator and by following the trip relay is not possible.
  • the mounting of the mechanism is facilitated by appropriate devices.
  • One device makes it possible, in fact, to keep the spring of the indicator in a stable position during mounting and a second allows the automatic positioning of this spring in the functional position when the cover of the differential function is installed.
  • Another device makes it possible to hold the spring of the drawer during its installation in the appliance.
  • the signaling means is self-resetting, thanks to the spring of the electromagnet in the case of the first realization, or else thanks to the spring associated with the indicator for the second embodiment.
  • the invention can be applied to any cut-off device with own current, from a source auxiliary or others requiring a means of signaling an electrical fault of any kind.
  • the device of the invention is particularly suitable when the electromagnet used is of the plunging core type and therefore fugitive, it would be also possible to apply the concept set out in claim 1 and 2, to a recording device break using a magnetic latching type relay.
  • the invention includes all the technical equivalents of the means described as well as their combinations if these are carried out according to his spirit.

Landscapes

  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Keying Circuit Devices (AREA)
  • Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
EP98410096A 1997-08-25 1998-08-24 Anzeigevorrichtung für elektrische fähler in eine Schaltvorrichtung, wie ein Differentialschutzschalter Expired - Lifetime EP0901142B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9710768A FR2767602B1 (fr) 1997-08-25 1997-08-25 Dispositif de signalisation d'un defaut electrique dans un dispositif de coupure tel un interrupteur differentiel
FR9710768 1997-08-25

Publications (2)

Publication Number Publication Date
EP0901142A1 true EP0901142A1 (de) 1999-03-10
EP0901142B1 EP0901142B1 (de) 2007-02-21

Family

ID=9510574

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98410096A Expired - Lifetime EP0901142B1 (de) 1997-08-25 1998-08-24 Anzeigevorrichtung für elektrische fähler in eine Schaltvorrichtung, wie ein Differentialschutzschalter

Country Status (12)

Country Link
EP (1) EP0901142B1 (de)
CN (1) CN1167098C (de)
AR (1) AR013437A1 (de)
CZ (1) CZ296254B6 (de)
DE (1) DE69837132T2 (de)
EA (1) EA001449B1 (de)
EG (1) EG21248A (de)
ES (1) ES2281924T3 (de)
FR (1) FR2767602B1 (de)
PL (1) PL191301B1 (de)
TR (1) TR199801654A3 (de)
ZA (1) ZA987630B (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101933110A (zh) * 2008-01-28 2010-12-29 黑格电子股份有限公司 断路装置中的电故障信号系统
US10121624B2 (en) 2016-12-27 2018-11-06 Lsis Co., Ltd. Position indicator of air circuit breaker
EP4064317A1 (de) * 2021-03-26 2022-09-28 Schneider Electric Industries SAS Elektrische schutzvorrichtung und elektrische schalttafel mit einer solchen schutzvorrichtung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4310232B2 (ja) * 2004-05-07 2009-08-05 三菱電機株式会社 回路遮断器
CN101188176B (zh) * 2007-11-27 2010-08-11 Tcl低压电器(无锡)有限公司 能正确显示塑壳断路器触头合分的装置
WO2010045678A1 (en) * 2008-10-22 2010-04-29 Kaon Consulting Pty Ltd Electrical switching apparatus
CN107644791B (zh) * 2017-10-31 2020-05-05 浙江天正电气股份有限公司 一种重合闸的反馈机构及具有其的断路器
CN114005710A (zh) * 2020-07-28 2022-02-01 西门子股份公司 断路器的漏电故障指示机构及断路器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1043478B (de) * 1956-06-26 1958-11-13 Voigt & Haeffner Ag Selbstschalter, insbesondere Installationsselbstschalter
FR2225829A1 (en) * 1973-04-13 1974-11-08 Ave Ditta Combined earth leakage and miniature circuit breaker - has visual indication for breaker operation due to earth fault
EP0208614A1 (de) * 1985-07-05 1987-01-14 Telemecanique Stromabgrenzer mit einem sichtbaren Anzeiger
FR2609209A1 (fr) * 1986-12-29 1988-07-01 Merlin Gerin Interrupteur differentiel bipolaire a indicateur de defaut

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002951A (en) * 1975-09-22 1977-01-11 Cutler-Hammer, Inc. Electrical receptacle mounted ground fault interrupter with automatic plug insertion testing
SU612334A1 (ru) * 1976-06-01 1978-06-25 Предприятие П/Я А-7672 Устройство дл контрол и сигнализации состо ни электрического оборудовани , наход щегос под высоким напр жением
US4331996A (en) * 1979-08-22 1982-05-25 Westinghouse Electric Corp. Time delayed undervoltage relay

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1043478B (de) * 1956-06-26 1958-11-13 Voigt & Haeffner Ag Selbstschalter, insbesondere Installationsselbstschalter
FR2225829A1 (en) * 1973-04-13 1974-11-08 Ave Ditta Combined earth leakage and miniature circuit breaker - has visual indication for breaker operation due to earth fault
EP0208614A1 (de) * 1985-07-05 1987-01-14 Telemecanique Stromabgrenzer mit einem sichtbaren Anzeiger
FR2609209A1 (fr) * 1986-12-29 1988-07-01 Merlin Gerin Interrupteur differentiel bipolaire a indicateur de defaut

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101933110A (zh) * 2008-01-28 2010-12-29 黑格电子股份有限公司 断路装置中的电故障信号系统
US10121624B2 (en) 2016-12-27 2018-11-06 Lsis Co., Ltd. Position indicator of air circuit breaker
EP4064317A1 (de) * 2021-03-26 2022-09-28 Schneider Electric Industries SAS Elektrische schutzvorrichtung und elektrische schalttafel mit einer solchen schutzvorrichtung
FR3121272A1 (fr) * 2021-03-26 2022-09-30 Schneider Electric Industries Sas Dispositif de protection électrique et tableau électrique comprenant un tel dispositif de protection

Also Published As

Publication number Publication date
PL328113A1 (en) 1999-03-01
AR013437A1 (es) 2000-12-27
CZ270698A3 (cs) 1999-03-17
EA199800652A1 (ru) 1999-02-25
ES2281924T3 (es) 2007-10-01
PL191301B1 (pl) 2006-04-28
DE69837132D1 (de) 2007-04-05
CN1167098C (zh) 2004-09-15
CN1211057A (zh) 1999-03-17
FR2767602B1 (fr) 2002-12-06
CZ296254B6 (cs) 2006-02-15
TR199801654A2 (xx) 1999-09-21
TR199801654A3 (tr) 1999-09-21
ZA987630B (en) 1999-02-25
EP0901142B1 (de) 2007-02-21
EG21248A (en) 2001-04-30
DE69837132T2 (de) 2008-01-03
EA001449B1 (ru) 2001-04-23
FR2767602A1 (fr) 1999-02-26

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