EP1033735B1 - Elektronischer Auslöser mit einem abnehmbaren Langzeitverzögerungsmodul mit einer Ein- und Ausschaltungsfunktion - Google Patents

Elektronischer Auslöser mit einem abnehmbaren Langzeitverzögerungsmodul mit einer Ein- und Ausschaltungsfunktion Download PDF

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Publication number
EP1033735B1
EP1033735B1 EP00410011A EP00410011A EP1033735B1 EP 1033735 B1 EP1033735 B1 EP 1033735B1 EP 00410011 A EP00410011 A EP 00410011A EP 00410011 A EP00410011 A EP 00410011A EP 1033735 B1 EP1033735 B1 EP 1033735B1
Authority
EP
European Patent Office
Prior art keywords
removable module
trip device
contact
movable part
printed circuit
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.)
Expired - Lifetime
Application number
EP00410011A
Other languages
English (en)
French (fr)
Other versions
EP1033735A1 (de
Inventor
Henri Bellotto
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 EP1033735A1 publication Critical patent/EP1033735A1/de
Application granted granted Critical
Publication of EP1033735B1 publication Critical patent/EP1033735B1/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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/123—Automatic release mechanisms with or without manual release using a solid-state trip unit
    • 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

Definitions

  • the invention relates to an electronic release comprising a housing, an electronic processing circuit disposed inside the housing, means for connecting the processing circuit to conductors of a network to be protected, means for determining trip parameters.
  • means for determining trip parameters comprising a removable module, fixing means of the removable module on a front face of the housing, the removable module coming into contact, in the fixing position, with the processing circuit.
  • the use of a removable module for determining long-delay protection parameters is conventional in electronic trip units.
  • Some triggers comprise a processing circuit directly connected to conductors of a network to be protected, so as to allow a voltage measurement, for example by means of a resistive divider bridge. This direct connection, without transformer, must be interrupted, especially for performing dielectric insulation tests.
  • a removable device disposed on the front which, when removed, interrupts the voltage connection.
  • the object of the invention is a trigger in which these two functions are performed simply and reliably.
  • connection means comprise, inside the housing, a part movable between a connection position and a disconnection position and having flexible contacts ensuring, in the connection position contact between first contact points of a printed circuit, connected to the conductors of the network, and second contact points of the printed circuit forming voltage inputs of the processing circuit, the connection means comprising elastic means pushing the movable part in the disconnected position, the removable module, in the fixing position, pushing the movable part in the connection position, against the action of the elastic means.
  • Said part can be mobile in rotation or in translation.
  • the part is mobile in rotation and has rotation lugs having a rectangular section end, the inner faces of the side walls of the housing having associated guide elements each delimiting a narrow rectangular passage and a circular space.
  • the housing comprises a guide rib on an inner face of at least one side wall of the housing, the removable module having side lugs coming into contact with an end of an auxiliary part, the workpiece auxiliary being in contact with the moving part and guided by the guide rib.
  • the processing circuit comprises at least a first printed circuit board disposed in the housing near the front face and having terminals intended to come into contact with associated contacts of the removable module, and a second printed circuit board, set back from the front face and having the first and second contact points, the movable part being interposed between the second printed circuit board and the front face.
  • the trigger shown in Figure 1 comprises a housing 1 provided with a front face 2, forming part of a housing cover and accessible to the user.
  • a removable module 3 is intended to be fixed on the front face of the housing. It allows the determination of the long-delay protection parameters, generally in cooperation with adjustment members, not shown in FIG. 1, constituted for example by potentiometers, switches or keys arranged on the front face.
  • the removable module 3 also cooperates with a processing circuit 4 (FIG. 2) carried by a printed circuit 5.
  • the printed circuit 5 consists of three printed circuit boards 5a, 5b, 5c connected by parts flexible.
  • the plate 5a is disposed near the front face 2, so that, in the position of attachment of the removable module to the trigger, contacts 6 of the removable module 3 ( Figures 2 and 13) come into contact with parts associated circuit board constituting terminals 7 of the processing circuit (fig.2).
  • the plate 5a is substantially parallel to the front face 2.
  • the plate 5b is arranged recessed with respect to the front face, close to the bottom of the housing 1. It is substantially parallel to the previous one and comprises, on its upper face, first and second contact points 8 and 9.
  • the plate 5b has 4 pairs of contact points.
  • the first point of contact 8 of each pair is connected, via the printed circuit and a connector 10 to a conductor 11 of a network to be protected (FIG 2).
  • the connector 10 is mounted on the plate 5c, disposed in an intermediate position between the plates 5a and 5b, substantially perpendicular to the front face 2 of the release.
  • the connector 10 is connected to the conductors 11 of the network through an orifice 12 disposed in the bottom of the housing 1 (FIG 3).
  • the second contact points 9 form the voltage inputs of the processing circuit 4.
  • the trigger comprises a part 13 movable between a connection position and a disconnection position.
  • the moving part 13 comprises flexible contacts 14 (FIGS. 5 and 6) intended to ensure, in the connection position, a contact between the first contact points 8 and the second contact points 9, thus allowing the processing circuit 4 to measure the mains voltage.
  • the part 13 is normally pushed back into the disconnected position by elastic means constituted, in the preferred embodiment shown in FIGS. 1, 4, and 7, by a torsion spring 15.
  • the removable module 3 when it is in the fixing position on the front face 2 of the casing 1, pushes the moving part 13 back to the connection position, against the action of the torsion spring 15.
  • An auxiliary part 16 is preferably interposed between the removable module 3 and the moving part 13.
  • the auxiliary part 16 (FIGS. 1, 9 and 10) is guided by a guide rib 17 (FIG. 1) formed on an internal face 18 of FIG. a side wall of the housing 1. It can move along the guide rib 17, vertically in Figure 1, between first and second positions.
  • the removable module 3 in the fixing position is in contact, via at least one lateral tab 19, with an end 20 of the auxiliary part 16.
  • the auxiliary part in contact with the movable part 13, maintains it in its connection position.
  • the removable module 3 is not fixed on the front face of the release, it does not exert on the moving part 13, through the auxiliary part 16, a sufficient pressure to keep it in the connection position.
  • the moving part is then pushed into the disconnected position by the torsion spring 15 and pushes the auxiliary piece 16 in its second position, upwards in Figure 1.
  • the upward movement of the auxiliary piece 16 is preferably limited by a retaining pin 21 disposed on the inner face 18.
  • the part 13 is rotatable. It comprises two rotation pins 22 ( Figures 1, 4 and 5) integral with side flanges 23 and projecting outwardly.
  • the rotation pins 22 preferably have an end of rectangular section intended to cooperate with guide elements 24 ( Figures 1 and 8) integral with the inner faces 18 of the side walls of the housing.
  • Each guide element 24 delimits on one of the faces 18 a narrow rectangular passage 25, terminating in a circular space 26.
  • the lug, 22a In a first position the lug, 22a, is ready to be introduced into the guide element. Its orientation is such that it can be introduced into the rectangular passage 25 whose width 11 is slightly greater than the width 12 of the section of the end of the pin and less than the length L of this section.
  • the circular space 26 has a diameter slightly greater than the length L.
  • the auxiliary part 16 has a protruding part 27 provided on its underside with a rib 28 in which the associated lateral flange of the movable part 13 can slide.
  • auxiliary piece 16 is in its second position, high, pushed by the torsion spring 15, the portion 27 limits the rotation of the part 13, so that the rotation pins 22 can not escape from the circular spaces 26 corresponding guide elements 24.
  • the trigger preferably comprises a single auxiliary part 16, although the assembly may, optionally, be symmetrical.
  • the room mobile 13 may comprise, on the flange 23 opposite to that which cooperates with the auxiliary part 16, a retaining pin 29 ( Figures 4 and 5) capable of cooperating with a rib 30 of the inner face of the associated wall of the housing (FIG. 3).
  • the retaining lug 29 thus makes it possible to keep the moving part 13 inside the casing 1, even in the absence of the auxiliary part 16, for example before fitting it.
  • the torsion spring 15 has a central portion and two ends. A first end, free, is intended to bear on a groove 31 disposed in the bottom of the housing 1 ( Figure 3).
  • the central portion of the torsion spring is mounted on a lug 32 disposed in the extension of one of the rotational lugs 22, that is to say projecting inwards relative to the corresponding lateral flange 23 of the moving part 13. ( Figures 4 and 5).
  • the torsion spring is prepositioned on the moving part by appropriate retaining elements.
  • the moving part 13 carries four identical flexible contacts 14 intended to be associated with each of the phase conductors and with the neutral conductor of a three-phase network with neutral.
  • the contacts 14 are mounted on the moving part 13 either by heat sealing or by clipping. They are arranged at the lower part of the piece 13 in locations delimited by lateral protective walls 33.
  • Each contact 14 has a fastening zone 34 and ends with two separate flexible contact zones 35 intended respectively to come into contact with each other. contact with the contact points 8 and 9.
  • each contact zone preferably comprises, at its lower part, a slight bulge 36, which can be obtained by stamping.
  • Figures 15 and 16 show, in section, the respective positions of the removable module 3, the auxiliary part 16, the movable part 13 and its contacts 14, and the printed circuit board 5b.
  • the contacts 14 are in contact with the printed circuit board 5b which is arranged between the bottom of the housing and the moving part 13.
  • the torsion spring 15 pushes the moving part 13 and its contacts 14 in the disconnected position.
  • FIG. 11 A particular embodiment of the removable module 3 is shown in Figures 11 to 14. Its side tabs 19 have at their free ends retaining hooks 37 which keep it secured to the front face 2 of the housing in the unlocked position.
  • the screw 39 is preferably of the captive type, secured to the removable module 3 in translation along the axis of the screw. In this way, the unscrewing of the screw, through an orifice 41 formed in the external face of the removable module 3, automatically causes the detachable module 3 to be lifted relative to the front face 2 of the release, its unlocking and, consequently, the transition to the disconnected position of the moving part 13.
  • the outer face of the removable module comprises, in a conventional manner, orifices 42 for the passage of switches or setting potentiometers. These orifices 42 are aligned with orifices 43 of the front face of the release.
  • the switches or potentiometers of adjustment being part of the processing circuit, are carried by the printed circuit 5.
  • the elasticity of the tabs 19 also allows a complete extraction of the removable module 3, in spite of the retaining hooks 37.
  • the removable module 3 comprises a printed circuit 43, shown in profile in FIG. 13.
  • the printed circuit 43 carrying the contacts 6 of the removable module, is disposed inside a suitable housing 44 provided in the lower part of the module removable.
  • the printed circuit 43 is held in place in the housing 44 by a cover 45 (FIG. 14) which clips into the housing.
  • the cover 45 has orifices 46 for the passage of the contacts 66.
  • the cover 45 carries a light guide 47.
  • LED 49 diode light-emitting alarm
  • the alarm diode 49 lights up, for example, when the long delay trip threshold is reached.
  • the corresponding light information is transmitted directly by the light guide 47 to a corresponding orifice 48 formed on the outer face of the removable module (FIG 11), thus constituting a light indicator.
  • FIG. 2 schematizes the electrical connections between the printed circuit 5 and the printed circuit 43 of the removable module 3.
  • the printed circuit 43 is connected to five terminals 7 of the processing circuit 4, by contacts 6.
  • a first terminal 7 is connected to a common point with four conductors formed on the printed circuit and connected respectively to the other four terminals 7.
  • Each of the conductors can be interrupted, the number and arrangement of the integrity of the drivers corresponding to a coding, on 4 bits, of the long delay parameter value associated with the selected module.
  • the part 13 may be replaced by a part 13a movable in translation in the housing ( Figure 17).
  • the auxiliary part is then constituted by a part 16a, integral with the moving part 13a.
  • the resilient means intended to push the removable module 13a into the disconnected position are constituted by a spring 50, guided in appropriate elements of the housing, and resting on the one hand on the bottom of the housing 1 and, secondly, on a flange of the auxiliary part 16a.
  • the resilient means intended to push the removable module 13a into the disconnected position are constituted by a spring 50, guided in appropriate elements of the housing, and resting on the one hand on the bottom of the housing 1 and, secondly, on a flange of the auxiliary part 16a.
  • the contacts 14 then come into contact with the printed circuit 5b.
  • the spring 50 pushes the intermediate piece 16a upwards, this latter driving the moving part 13a, and interrupting the contact between the contacts 14 and the printed circuit 5b.
  • the unlocking of the removable module 3 is accompanied by the automatic disconnection of the voltage inputs of the processing circuit.
  • the interruption of the voltage connection is carried out simply, by unlocking the removable module 3, without the risk that the user accesses the live conductors (220 V) from the front panel, unlike what was happening in the known devices.
  • the assembly according to the invention thus advantageously combines two functions, namely the calibration of the long delay and the disconnection of the voltage measurement.
  • the printed circuit 5 consists of 3 parts and, in the disconnected position, the mains voltage is present only at the lower input of the connector 10, on the contacts 8 and in the conductors of the printed circuit board 5c making the connection between the connector 10 and the contact points 8. All these locations are remote from the front face 2 of the circuit breaker and, moreover, their access is protected by the presence of the front face and, if this is removed, in that the connecting conductors between the connector 10 and the contact points 8 are preferably formed on the face of the printed circuit board 5c arranged towards inside, between the printed circuit boards 5a and 5b.
  • an additional printed circuit board may be disposed between the front face 2 and the printed circuit board 5a. This further limits the risks of access to live parts.
  • the contact points 7, the light-emitting diode 49, the potentiometers or setting switches, are located on the additional printed circuit board, or a suitable passage is provided therein.

Landscapes

  • Breakers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Claims (10)

  1. Elektronischer Auslöser mit einem Gehäuse (1), einer im Inneren des Gehäuses angeordneten elektronischen Verarbeitungsschaltung (4), Mitteln zur Verbindung der Verarbeitungsschaltung (4) mit Leitern (11) eines zu schützenden Netzes, Mitteln zur Bestimmung von Auslösekennwerten mit einem abnehmbaren Modul (3) sowie mit Mitteln (39, 40) zur Befestigung des abnehmbaren Moduls an einer Vorderseite (2) des Gehäuses, wobei das abnehmbare Modul (3) in der Befestigungsstellung in Kontakt mit der Verarbeitungsschaltung gelangt, welcher Auslöser dadurch gekennzeichnet ist, dass die Verbindungsmittel ein im Inneren des Gehäuses (1) angeordnetes bewegliches Teil (13) umfassen, das zwischen einer Verbindungsstellung und einer Trennstellung verschoben werden kann und biegsame Kontakte (14) umfasst, die in der Verbindungsstellung eine Kontaktverbindung zwischen ersten Kontaktstellen (8) einer gedruckten Schaltung (5b), welche mit den Leitern (11) des Netzes verbunden sind, und zweiten Kontaktstellen (9) der gedruckten Schaltung (5b) gewährleisten, die als Spannungseingänge der Verarbeitungsschaltung (4) ausgelegt sind, wobei die Verbindungsmittel Federmittel (15) umfassen, die das bewegliche Teil (13) in die Trennstellung drücken, und das abnehmbare Modul (3) in der Befestigungsstellung das bewegliche Teil (13) gegen die Wirkung der Federmittel (15) in die Verbindungsstellung drückt.
  2. Auslöser nach Anspruch 1, dadurch gekennzeichnet dass das genannte bewegliche Teil (13) drehbar ausgeführt ist.
  3. Auslöser nach Anspruch 2, dadurch gekennzeichnet dass das bewegliche Teil (13) Drehzapfen (22) umfasst, die ein Ende mit rechteckigem Querschnitt aufweisen, wobei an den Innenseiten (18) der Seitenwände des Gehäuses zugeordnete Führungselemente (24) ausgebildet sind, die jeweils eine schmale Rechteckdurchführung (25) und einen Hohlraum mit kreisrundem Querschnitt (26) begrenzen.
  4. Auslöser nach Anspruch 2 und 3, dadurch gekennzeichnet dass das bewegliche Teil (13) einen zusätzlichen Zapfen (32) zur Lagerung einer die Federmittel (15) bildenden Drehfeder umfasst.
  5. Auslöser nach Anspruch 1, dadurch gekennzeichnet dass das genannte bewegliche Teil (13) geradlinig verschiebbar ist.
  6. Auslöser nach irgendeinem der Ansprüche 1 bis 5, dadurch gekennzeichnet dass das Gehäuse (1) an einer Innenseite (18) mindestens einer Seitenwand des Gehäuses eine Führungsrippe (17) aufweist, wobei das abnehmbare Modul (3) seitliche Zungen (19) umfasst, die in Kontakt mit einem Ende eines Hilfselements (16) gelangen, welches Hilfselement mit dem beweglichen Teil (13) in Kontakt steht und durch die Führungsrippe (17) geführt wird.
  7. Auslöser nach irgendeinem der Ansprüche 1 bis 6, dadurch gekennzeichnet dass das abnehmbare Modul (3) Rückhaltenasen (37) aufweist, die dazu dienen, das Modul in einer entriegelten Stellung an der Vorderseite (2) des Gehäuses zu halten.
  8. Auslöser nach irgendeinem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Verarbeitungsschaltung mindestens eine im Gehäuse (1), in der Nähe der Vorderseite (2) angeordnete erste gedruckte Schaltung (5a) mit Klemmen (7), die zur Herstellung einer Kontaktverbindung mit zugeordneten Kontakten (6) des abnehmbaren Moduls (3) dienen, sowie eine in Bezug zur Vorderseite (2) zurückversetzt angeordnete zweite gedruckte Schaltung (5b) mit ersten und zweiten Kontaktstellen (8, 9) umfasst, wobei das bewegliche Teil (13) zwischen der zweiten gedruckten Schaltung (5b) und der Vorderseite (2) angeordnet ist.
  9. Auslöser nach irgendeinem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Befestigungsmittel des abnehmbaren Moduls (3) eine in der Vorderseite (2) des Auslösers ausgebildete Gewindebohrung (40) sowie eine zugehörige Schraube (39) umfassen, die in der Längsachse der Schraube gesehen translationswirksam am abnehmbaren Modul (3) befestigt ist.
  10. Auslöser nach irgendeinem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das abnehmbare Modul (3) einen Lichtleiter (47) umfasst, der in der Befestigungsstellung des abnehmbaren Moduls (3) in Kontakt mit einer Warn-Leuchtdiode (49) der Verarbeitungsschaltung (4) gelangt.
EP00410011A 1999-03-02 2000-02-14 Elektronischer Auslöser mit einem abnehmbaren Langzeitverzögerungsmodul mit einer Ein- und Ausschaltungsfunktion Expired - Lifetime EP1033735B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9902838A FR2790610B1 (fr) 1999-03-02 1999-03-02 Declencheur electronique comportant un module long retard amovible associe a une fonction de connexion/deconnexion en tension
FR9902838 1999-03-02

Publications (2)

Publication Number Publication Date
EP1033735A1 EP1033735A1 (de) 2000-09-06
EP1033735B1 true EP1033735B1 (de) 2006-08-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00410011A Expired - Lifetime EP1033735B1 (de) 1999-03-02 2000-02-14 Elektronischer Auslöser mit einem abnehmbaren Langzeitverzögerungsmodul mit einer Ein- und Ausschaltungsfunktion

Country Status (5)

Country Link
US (1) US6175289B1 (de)
EP (1) EP1033735B1 (de)
JP (1) JP4316091B2 (de)
DE (1) DE60029656T2 (de)
FR (1) FR2790610B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4090983B2 (ja) * 2003-11-11 2008-05-28 三菱電機株式会社 回路遮断器
AT501217B1 (de) * 2004-07-21 2007-09-15 Moeller Gebaeudeautomation Kg Schalteinrichtung
KR100570781B1 (ko) 2004-08-26 2006-04-12 삼성에스디아이 주식회사 유기 전계발광 표시 장치와 그 표시 패널 및 구동 방법
ITBG20050027A1 (it) 2005-05-13 2006-11-14 Abb Service Srl Dispositivo di alloggiamento e connessione di accessori di interruttori.
DE102012215528B4 (de) * 2012-08-31 2020-06-18 Siemens Aktiengesellschaft Schalter, insbesondere Leistungsschalter für Niederspannungen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4181906A (en) * 1977-11-23 1980-01-01 Westinghouse Electric Corp. Circuit interrupter with interlocked removable trip unit
FR2624646B1 (de) * 1987-12-10 1994-03-04 Merlin Et Gerin
JP2769651B2 (ja) * 1991-09-30 1998-06-25 ウチヤ・サーモスタット株式会社 メカニカルラッチ装置およびメカニカル・ラッチ装置を内蔵するリレー
FR2701335B1 (fr) * 1993-02-09 1995-04-14 Merlin Gerin Bloc de protection différentielle avec sous ensemble fonctionnel testable.
FR2703507B1 (fr) * 1993-04-01 1995-06-02 Merlin Gerin Disjoncteur comportant un dispositif de calibration amovible.
DE29814467U1 (de) * 1998-08-12 1998-10-01 Siemens AG, 80333 München Netzspannungsabhängiges Fehlerstromerfassungssystem mit Abtrenneinrichtung

Also Published As

Publication number Publication date
JP2000306489A (ja) 2000-11-02
DE60029656D1 (de) 2006-09-14
JP4316091B2 (ja) 2009-08-19
EP1033735A1 (de) 2000-09-06
US6175289B1 (en) 2001-01-16
FR2790610A1 (fr) 2000-09-08
DE60029656T2 (de) 2007-10-04
FR2790610B1 (fr) 2001-05-04

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