EP0912985B1 - Modular automatic electric breaker with optimization of used spaces - Google Patents

Modular automatic electric breaker with optimization of used spaces Download PDF

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Publication number
EP0912985B1
EP0912985B1 EP97932828A EP97932828A EP0912985B1 EP 0912985 B1 EP0912985 B1 EP 0912985B1 EP 97932828 A EP97932828 A EP 97932828A EP 97932828 A EP97932828 A EP 97932828A EP 0912985 B1 EP0912985 B1 EP 0912985B1
Authority
EP
European Patent Office
Prior art keywords
cell
snuffer
box
automatic electric
electrical
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
EP97932828A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0912985A1 (en
Inventor
Domenico Bosatelli
Augusto Contardi
Sergio Pianezzola
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.)
Gewiss SpA
Original Assignee
Gewiss SpA
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 Gewiss SpA filed Critical Gewiss SpA
Priority to SI9730039T priority Critical patent/SI0912985T1/xx
Publication of EP0912985A1 publication Critical patent/EP0912985A1/en
Application granted granted Critical
Publication of EP0912985B1 publication Critical patent/EP0912985B1/en
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
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H2011/0093—Standardization, e.g. limiting the factory stock by limiting the number of unique, i.e. different components
    • 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
    • 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 modular automatic electric breaker with optimization of used spaces.
  • This module has a substantially flat box-like body which is 18 mm wide and has, to the rear, a means for coupling to an omega-shaped bar which is standardized according to DIN standards.
  • This box-like casing is currently used to contain an automatic breaker which affects a single pole, so that in case of protection of two or more poles one uses modules, or in any case box-like components, whose width is proportional to the number of modules, starting from the 18-mm size for each pole.
  • EP-A-0325071 discloses such a modular electric protection device having one protected pole, and forms the base for the preamble of claim 1 of the present invention.
  • differential breakers are combined, one obtains adjacent arrangements of other devices which can be directly integrated or constituted by separate modules and in any case maintain the characteristic of occupying a width unit for each pole.
  • a further aim of the invention is to provide a modular automatic electric breaker with optimization of used spaces, which allows, while maintaining a box-like body which has a standardized external shape, to significantly reduce the spaces used internally, thus allowing to considerably reduce overall dimensions in the case of multi-pole protection devices.
  • An object of the invention is to provide an automatic electric breaker in which the dimensions entailed by the coupling of the various protection devices are practically halved, furthermore achieving a functional improvement, since by using kinematic disengagement systems which are smaller than conventional ones it is possible, by having reduced masses involved, to achieve higher movement speeds and therefore faster breaking of the generated electric arc.
  • a further object of the invention is to provide an automatic electric breaker which is particularly versatile and allows to introduce, in the standard width of the module, the magnetothermal protection of two poles or the thermal protection; it is also possible to use, for other functional parts, the empty spaces that become available by virtue of the new structural setup of the automatic electric breaker.
  • a further object of the invention is to provide an automatic electric breaker which, by virtue of its particular constructive characteristics, is capable of giving the greatest reliability and safety in use.
  • a modular automatic electric breaker with optimization of used spaces which includes a flat box-like body which has, on its rear face, a means for coupling to an omega-shaped guide and, on its front face, a central protrusion at which it is possible to access an actuation part, characterized in that it includes, inside the box-like body, at least one electrical protection part, at least one kinematic system for actuating the moving electrical contact, and at least one snuffer cell, which are mutually operatively interconnected and occupy no more than half of the internal volume formed by the box-like body.
  • the modular automatic electric breaker with optimization of used spaces includes a box-like body 1 which has the classic standardized shape with 18-mm spacing and forms, at the rear face, a means 2 for coupling to the omega-shaped guide according to DIN standards; the coupling means can be of a per se known kind and therefore they are not described here in detail.
  • the box-like body 1 has, at the front face, a protrusion 3 in which the actuation part or handle 4 is arranged; this part or handle also has a conventional configuration.
  • the important particularity of the invention is constituted by the fact that a new structural arrangement is provided which allows to accommodate the electric protection device 10, the kinematic system for actuating the moving electric contact 11, and the snuffer cell 12 inside the box-like casing so that no more than half of the internal volume formed by the box-like body is occupied.
  • the occupied volume is in practice delimited by the median axis, which passes at the actuation part, and by the space toward the upper or lower ends, so that in practice one obtains, inside a same module constituted by the box-like body, spaces which can be used for example to insert an automatic breaker for protecting another pole, to provide a neutral pole, to provide differential protection of the protected poles or to introduce any other devices which might be necessary.
  • an automatic electric breaker is provided which, by occupying only one half of the space typically occupied by conventional-type automatic breakers, allows to significantly reduce total space occupation, allowing to halve the number of modules used to provide conventional protections.
  • the electrical protection must be located at the central protrusion, in the half provided between the edge of the protrusion and the median horizontal axis that passes through the pivoting point of the actuation part, while the snuffer cell is arranged at the rear face of the box-like body and the kinematic system is interposed between the protection and the snuffer cell.
  • magnetothermal protection is provided by virtue of the coils 20a and the bimetallic part 20b, while the snuffer cell is constituted by twelve parts 21 with a high breaking capacity which are arranged so that the moving contact 30, during opening, in practice pushes the arc toward the cell, accelerating its elimination.
  • the embodiment of the kinematic actuation system is also particularly significant: it is provided by virtue of very compact parts, so that it is possible to use faster disengagement speeds, with the obvious related advantages.
  • the kinematic system for actuating the moving contact 30, generally designated by the reference numeral 11, is constituted by a bracket 41 which is articulated in a recess 42 formed in the body 43, from which the actuation part or lever 4 extends.
  • the bracket 41 engages the arm 44 of a movement lever, generally designated by the reference numeral 45, which is pivoted at 46 to a first pivot connected to the box-like body 1.
  • the other arms 47 of the movement lever 45 are articulated to a pair of linkages 50 which are articulated, at their other end, to the end 51 of a cross-member 52.
  • the ends 51 can slide in slots 53 formed by an engagement lever 54 which is U-shaped and pivoted to a second pivot 56 which is rigidly coupled to the box-like body.
  • the lever for engagement with the locking lug 59 interacts with the locking tab 60 of a control part 61 which oscillates about a third pivot 62 and is provided, in a downward region, with an extension 63 for engagement with the thermal disengagement device, while magnetic intervention is provided at the hook 66.
  • control part 61 To the side of the pivot 62, the control part 61 has the hook 66, which interacts with the moving contact 30.
  • An expansion of the moving core of the magnetic breaker engages a fold 17 of the moving contact 30 in order to provide faster opening.
  • a connecting portion 70 is arranged opposite the hook 66 and interacts with a driving lever 71 which in practice has the purpose of combining the disengagement of two breakers which are arranged in the same box-like body and are arranged symmetrically to each other with respect to the central axis and optionally also of actuating the components of a laterally adjacent box-like body.
  • the other end of the cross-member 52 engages a recess 75 formed in a spring guide 76 which is pivoted to the moving contact 30 by a riveted pivot 78 and is pushed by a contact pressure spring, designated by the reference numeral 77.
  • actuation part 4 also changes position; in Fig. 10, this part is still shown in the closed position.
  • the invention achieves the intended aims and objects, and in particular the fact is stressed that the provision of a structure, which allows to arrange the magnetic and thermal protection device, the snuffer cell, and the kinematic system for actuating disengagement in a single half of the standardized box-like body normally used to produce electrical panels, allows to introduce a highly practical and versatile system, with the advantage of being able to provide the most disparate solutions.

Landscapes

  • Breakers (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Connection Or Junction Boxes (AREA)
  • Distribution Board (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Automotive Seat Belt Assembly (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Push-Button Switches (AREA)
  • Patch Boards (AREA)
  • Feedback Control In General (AREA)
EP97932828A 1996-07-15 1997-07-15 Modular automatic electric breaker with optimization of used spaces Expired - Lifetime EP0912985B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9730039T SI0912985T1 (en) 1996-07-15 1997-07-15 Modular automatic electric breaker with optimization of used spaces

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT96MI001463A IT1283162B1 (it) 1996-07-15 1996-07-15 Interruttore elettrico automatico modulare e componibile,con ottimizzazione degli spazi utilizzati
ITMI961463 1996-07-15
PCT/EP1997/003771 WO1998002896A1 (en) 1996-07-15 1997-07-15 Modular automatic electric breaker with optimization of used spaces

Publications (2)

Publication Number Publication Date
EP0912985A1 EP0912985A1 (en) 1999-05-06
EP0912985B1 true EP0912985B1 (en) 2000-01-12

Family

ID=11374586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97932828A Expired - Lifetime EP0912985B1 (en) 1996-07-15 1997-07-15 Modular automatic electric breaker with optimization of used spaces

Country Status (18)

Country Link
EP (1) EP0912985B1 (cs)
CN (1) CN1136598C (cs)
AT (1) ATE188804T1 (cs)
AU (1) AU3623697A (cs)
BG (1) BG63443B1 (cs)
CZ (1) CZ12599A3 (cs)
DE (1) DE69701149T2 (cs)
EE (1) EE03460B1 (cs)
ES (1) ES2140982T3 (cs)
GR (1) GR3033040T3 (cs)
IT (1) IT1283162B1 (cs)
NO (1) NO316300B1 (cs)
PL (1) PL185955B1 (cs)
PT (1) PT912985E (cs)
SK (1) SK4099A3 (cs)
TR (1) TR199900086T2 (cs)
WO (1) WO1998002896A1 (cs)
YU (1) YU1599A (cs)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036191A1 (de) * 2006-08-01 2008-02-07 Siemens Ag Schaltvorrichtung

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004034859A1 (de) * 2004-07-19 2006-02-16 Siemens Ag Schutzschaltgerät in Schmalbauweise
AU2006344016B2 (en) * 2006-05-19 2011-09-22 General Electric Company Housing for single-pole circuit breaker
EP2026368B1 (en) * 2006-05-19 2016-02-03 General Electric Company Housing for single-pole circuit breaker comprising two current path regions
DE102006041451B4 (de) * 2006-09-04 2009-01-08 Siemens Ag Schaltgerät und Hilfskontaktblock zur Erweiterung eines Schaltgerätes
FR3016078A1 (fr) 2013-12-27 2015-07-03 Legrand France Appareil electrique au format modulaire

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434413A (en) * 1981-10-20 1984-02-28 Hydro-Quebec Electrical circuit breaker module
DE3242062A1 (de) * 1982-11-13 1984-05-17 Brown, Boveri & Cie Ag, 6800 Mannheim Elektrischer schalter
US4725799A (en) * 1986-09-30 1988-02-16 Westinghouse Electric Corp. Circuit breaker with remote control
FR2626105B1 (fr) * 1988-01-20 1990-06-15 Hager Electro Appareil de protection d'installations electriques
JPH07118252B2 (ja) * 1988-06-09 1995-12-18 松下電工株式会社 リモートコントロール式回路しゃ断器
KR920003958B1 (ko) * 1988-10-06 1992-05-18 미쓰비시전기 주식회사 원격조작식 회로차단기

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006036191A1 (de) * 2006-08-01 2008-02-07 Siemens Ag Schaltvorrichtung

Also Published As

Publication number Publication date
EE03460B1 (et) 2001-06-15
BG103083A (en) 1999-08-31
BG63443B1 (bg) 2002-01-31
YU1599A (sh) 2000-03-21
EP0912985A1 (en) 1999-05-06
CZ12599A3 (cs) 1999-05-12
WO1998002896A1 (en) 1998-01-22
PT912985E (pt) 2000-06-30
SK4099A3 (en) 1999-08-06
PL185955B1 (pl) 2003-09-30
AU3623697A (en) 1998-02-09
IT1283162B1 (it) 1998-04-07
CN1225745A (zh) 1999-08-11
ITMI961463A1 (it) 1998-01-15
ES2140982T3 (es) 2000-03-01
NO316300B1 (no) 2004-01-05
CN1136598C (zh) 2004-01-28
DE69701149D1 (de) 2000-02-17
EE9900017A (et) 1999-08-16
DE69701149T2 (de) 2000-06-15
ATE188804T1 (de) 2000-01-15
NO990167L (no) 1999-01-14
ITMI961463A0 (cs) 1996-07-15
TR199900086T2 (xx) 1999-04-21
PL331179A1 (en) 1999-06-21
GR3033040T3 (en) 2000-08-31
NO990167D0 (no) 1999-01-14

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