EP0127533B1 - Sicherungen von elektrischen Installationen - Google Patents

Sicherungen von elektrischen Installationen Download PDF

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Publication number
EP0127533B1
EP0127533B1 EP84401041A EP84401041A EP0127533B1 EP 0127533 B1 EP0127533 B1 EP 0127533B1 EP 84401041 A EP84401041 A EP 84401041A EP 84401041 A EP84401041 A EP 84401041A EP 0127533 B1 EP0127533 B1 EP 0127533B1
Authority
EP
European Patent Office
Prior art keywords
bulb
circuit
casing
drawer
breaker
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
Application number
EP84401041A
Other languages
English (en)
French (fr)
Other versions
EP0127533A1 (de
Inventor
Jean-Marie Roiatti
Denis Deckert
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.)
Hager Electro SAS
Original Assignee
Hager Electro 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 Hager Electro SAS filed Critical Hager Electro SAS
Priority to AT84401041T priority Critical patent/ATE25167T1/de
Publication of EP0127533A1 publication Critical patent/EP0127533A1/de
Application granted granted Critical
Publication of EP0127533B1 publication Critical patent/EP0127533B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
    • H01H85/32—Indicating lamp structurally associated with the protective device

Definitions

  • the invention relates to circuit breakers, for electrical installations, which comprise a box provided with an input terminal intended to be connected directly to a first voltage of the supply network, with an output terminal intended to be connected to a second network voltage, via a consumer circuit, and a housing for a fuse cartridge, the assembly being such that this cartridge is interposed between the two input and output terminals when 'it is placed in its housing.
  • the first and second network voltages are formed by two different polarities. In alternating current, it can be two different phases or a phase and a neutral.
  • a bulb LED intended to signal the melting of the cartridge and a normally open control contactor as well as possibly a resistor and a diode.
  • the bulb can be housed inside the housing, so as to be mechanically protected, but be located in front of a transparent or translucent zone making it possible to ascertain whether it is lit or not. In such a circuit breaker, the indicator bulb is normally off since the control switch is normally open.
  • circuit breakers which signals the cartridge to be replaced by the fact that the corresponding bulb is the only one that cannot be lit. Indeed, in each circuit breaker, one of the terminals of the indicator light bulb is connected to the first network voltage via the input terminal and the fuse cartridge, connected in series, and l the other of its terminals is connected to the second network voltage via the control contactor. In this situation, either the current can pass normally through the fuse cartridge and the bulb lights up, or the current is prevented from passing through the fuse cartridge by melting thereof, and the bulb does not light up.
  • the diode has the effect of preventing the bulbs from lighting dimly when the cartridge of one of the circuit breakers of the switchboard melts and that the switch of the corresponding circuit is closed, without the control switch being pressed.
  • the invention aims to facilitate the construction and mounting of circuit breakers of the type mentioned above.
  • the invention therefore essentially relates to a circuit breaker, for electrical installations, which comprises a box provided with an input terminal intended to be connected directly to a first voltage of the supply network, of an output terminal intended to be connected to a second network voltage, via a consumer circuit, a housing intended to receive a fuse cartridge in series with the input and output terminals, and a light bulb , a normally open individual control contactor being mounted in series with this bulb, with a resistor and possibly with a diode, between the output terminal and the second mains voltage, the illumination of the bulb being visible outside of the housing through a translucent wall element, characterized in that the bulb is housed, with the resistance and the diode if any, inside a support made of translucent material which is itself housed for the most part inside casing made of opaque material, emerging from it by a part constituting the aforesaid wall element, and which constitutes the movable control member, against the action of a return spring, of the individual control contactor which it carries the movable contact, the fixed
  • control sub-assembly comprising in particular the bulb, the resistance, the possible diode and their support in translucent material and then adapt this sub-assembly to the circuit breaker housing.
  • the bulb is mechanically protected by the support, as soon as it is incorporated into the sub-assembly. Despite this, it is easy to check whether it is lit or not by examining whether the emerging part of the translucent support emits a glow or not.
  • the combination of the support with the control switch facilitates the construction and mounting of the circuit breaker, more particularly when the support is in the form of a drawer.
  • DE-A-1 939 953 describes a circuit breaker, for electrical installations, which includes the characteristics listed in the preamble of claim 1, with the exception of the essential characteristic according to which a control switch normally open individual is connected in series with the indicator bulb and with a resistor between the output terminal and the second network voltage.
  • the indicator bulb (28) and the resistor (29) are constantly mounted in parallel with the fuse (11) so that this bulb (28) automatically lights up in the event of a fuse blowing ( 11).
  • the bulb (28) and the resistor (29) are housed inside a support (15) made of translucent material which emerges from the housing (3) in which it is guided in translation, this translational guidance being intended simply to allow the insertion or removal of this support (15) depending on whether the circuit breaker must or is not equipped with the control bulb.
  • the invention relates to a circuit breaker which comprises a housing 1, closed by a cover 2, both made of relatively opaque plastic.
  • This box 1 is provided with an input terminal 3 (see FIG. 5) intended to be connected directly to a first voltage of the supply network which is brought by a conductor 4, an output terminal 5 intended to be connected, via a consumer circuit 6, to a second voltage supplied by a conductor 7, a housing (not shown) intended to receive a fuse cartridge 8 in series with the input 3 and output terminals 5, and a light bulb 9.
  • the circuit breaker is generally equipped with a tilting operating member (or handle) 10 which comprises the above-mentioned housing for the fuse cartridge 8.
  • a tilting operating member 10 which comprises the above-mentioned housing for the fuse cartridge 8.
  • this operating member 10 occupies its closed position of the circuit , it engages one of the conductive caps of the cartridge 8 in a clamp 11 (FIG. 2) which is permanently connected to the output terminal 5.
  • a clamp 11 FIG. 2
  • the first voltage (conductor 4) is a phase and the second voltage (conductor 7) is a neutral and the tilting operating member 10 acts so as to cut the phase and neutral.
  • An individual control switch 12 normally open, is mounted in series with the indicator bulb 9, a resistor 13 and possibly a diode (not shown), in each circuit breaker.
  • FIG. 5 represents two such circuit breakers which are grouped with others on a table. Usually, each consumer circuit 6 is provided with a switch 15.
  • the bulb 9 is housed, with the resistor 13 and the possible diode, inside a support 16 made of translucent plastic and this support 16 is itself housed for the most part.
  • a support 16 made of translucent plastic and this support 16 is itself housed for the most part.
  • the housing 1 and its cover 2 are molded parts of relatively opaque plastic.
  • the window 18 is formed for the most part on the housing 1, ending on the cover 2, which facilitates the mounting of the support 16.
  • the support 16 constitutes the mobile control member, against the action of a spring 19, of the individual control contactor 12 of which it carries the mobile contact 20.
  • the support 16 is guided in translation in the manner of a drawer inside the housing 1, by elements 21 thereof.
  • the movable contact 20 is constituted by a metal piece in the form of a square to one of the branches 20a which is connected to the outlet 14 of the resistor 13, for example by welding to using a hollow metal rivet 22.
  • the other branch 20b of this metal part 20 is arranged so as to make contact with a metal blade 23 permanently connected to the output terminal 5 and advantageously carrying the clamp 11.
  • the control circuit of the fuse cartridge 8 comprises a second metal blade 24, connected to a second output terminal 25 intended to be itself connected to the second conductor (neutral) 7 of the network.
  • the metal strip 24 is connected by a flexible conductor 26 to one of the terminals of the bulb 9, the other terminal of which is connected, via the possible diode and of the resistor 13, to the movable contact 20 of the contactor 12.
  • the return spring 19 of the drawer 16 is constituted by an elastic blade coming from molding with this drawer 16, the latter being made of translucent plastic, as explained above.
  • the drawer 16 also comprises a housing 27 for the bulb 9, this housing preferably being arranged transversely relative to the axis of translation (vertical according to FIGS. 2 and 3) of the drawer 16, as well as a cavity 28 intended for receive the resistor 13 and the possible diode.
  • the emerging part 17 of the drawer 16 is stepped so as to provide a localized key 29 projecting, intended to receive the user's finger, and a recessed signaling zone 30, preferably striated, which therefore does not risk being masked by the finger in question.
  • the drawer 16 comprises oblique reflecting surfaces 31, which, taking into account the refractive index of the material constituting this drawer 16, reflect the light emitted by the lamp 9 towards the signaling area 30, with the minimum loss of light through the walls of the drawer 16.
  • These reflective surfaces 31 can be polished or covered with a reflective paint.
  • the oblique reflecting surfaces 31 are arranged to offset laterally the body of the drawer 16, where the housing 27 of the bulb 9 is formed, relative to a narrowed part 32 leading to the emerging part (see FIGS. 2 and 3 ); this creates a shoulder 33 which, by abutment with a transverse surface 34 of the housing 1, limits the height from which the emerging part 17 of the drawer 16 can extend.
  • the invention is of course not limited to the embodiment which has just been described with reference to Figures 1 to 5.
  • the movable contact member 20 could be constituted, not not by an additional metal part associated with a rivet 22, but directly by the stripped end 35 of the outlet 14 of the resistor 13, this end being advantageously wound in a loop around a stud 36 of the drawer 16.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Claims (6)

1. Ausschalter für elektrische Anlagen, der aus einem Gehäuse (1) besteht, das eine Eingangsklemme (3) besitzt, die dazu bestimmt ist, direkt an eine erste Netzspannung (4) angeschlossen zu werden und eine zweite Ausgangsklemme (5), die dazu bestimmt ist, an eine zweite Netzspannung (7) vermittels eines Stromverbrauchers (6) angeschlossen zu werden, einer Aufnahme für eine Sicherung (8), die in Serie mit der Eingangsklemme (3) und der Ausgangsklemme (5) geschaltet ist, einer Leuchtbirne (9), einem eigenen Steuerschütz (12), der normalerweise offen und in Serie mit dieser Leuchtbirne (9) geschaltet ist sowie mit einem Widerstand (13) und eventuell einer Diode zwischen der Ausgangsklemme (5) und der zweiten Netzspannung (7), wobei das Aufleuchten der Birne (9) außerhalb des Gehäuses (1) durch ein lichtdurchlässiges Wandelement (17) sichtbar wird; dadurch gekennzeichnet, daß die Birne (9) zusammen mit dem Widerstand (13) und der eventuellen Diode im Innern einer Halterung (16) aus lichtdurchlässigem Material sitzt, welche ihrerseits zum größten Teil innerhalb des lichtundurchlässigen Gehäuses (1) sitzt und aus diesem mit einem Teil (17) herausragt, welches besagtes Wandelement darstellt und welches das bewegliche Steuerorgan ist, das gegen die Wirkung einer Rückholfeder (19) des eigenen Steuerschützes (12) arbeitet, dessen beweglichen Kontakt (20) es trägt, wobei der feste Kontakt (23) dieses Steuerschützes (12) vom Gehäuse (1) getragen wird.
2. Ausschalter gemäß Anspruch 1, dadurch gekennzeichnet, daß die Halterung (16) nach Art eines Einschubes im Innern des Gehäuses (1) gradlinig geführt wird.
3. Ausschalter gemäß dem Anspruch 2, dadurch gekennzeichnet, daß die Rückholfeder (19) durch eine elastische Klinge gebildet wird, die beim Spritzgießen der aus Kunststoff bestehenden Einschubhalterung (16) mit eingegossen wurde.
4. Ausschalter gemäß einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das herausragende Teil (17) des Einschubes (16) abgestuft ist, um eine begrenzt freiliegende Taste (29) für den Bedienungsfinger und einen tiefer gelegenen Leuchtbereich (30) zu bilden.
5. Ausschalter gemäß einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Einschub (16) reflektierende Schrägflächen (31) aufweist.
6. Ausschalter gemäß Anspruch 5, dadurch gekennzeichnet, daß die reflektierenden Schrägflächen (31) so ausgebildet sind, daß der Einschubkörper (16) seitlich zum Sitz (27) der Leuchtbirne (9) mit Bezug auf ein sich verjüngendes Teil (32), das in dem vorspringenden Teil (17) endet, versetzt ist, wodurch in Form eines Ansatzes ein Anschlag geschaffen wird (33), der mit einer Oberfläche (34) des Gehäuses (1) zusammenwirkt.
EP84401041A 1983-05-26 1984-05-18 Sicherungen von elektrischen Installationen Expired EP0127533B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84401041T ATE25167T1 (de) 1983-05-26 1984-05-18 Sicherungen von elektrischen installationen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8308683 1983-05-26
FR8308683A FR2546662B1 (fr) 1983-05-26 1983-05-26 Perfectionnements apportes aux coupe-circuit d'installations electriques

Publications (2)

Publication Number Publication Date
EP0127533A1 EP0127533A1 (de) 1984-12-05
EP0127533B1 true EP0127533B1 (de) 1987-01-21

Family

ID=9289184

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84401041A Expired EP0127533B1 (de) 1983-05-26 1984-05-18 Sicherungen von elektrischen Installationen

Country Status (4)

Country Link
EP (1) EP0127533B1 (de)
AT (1) ATE25167T1 (de)
DE (1) DE3462198D1 (de)
FR (1) FR2546662B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3528914A1 (de) * 1985-08-12 1987-02-19 Siemens Ag Schraubsicherung mit elektro-optischem signalgeber

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2373146A1 (fr) * 1976-12-02 1978-06-30 Hager Electro Perfectionnements aux coupe-circuits d'installations electriques domestiques et aux tableaux qui en sont munis
US4147960A (en) * 1976-12-06 1979-04-03 Fujitsu Limited Plasma display panel including shift channels and method of operating same
FR2414249A2 (fr) * 1978-01-10 1979-08-03 Hager Electro Perfectionnements apportes aux coupe-circuit d'installations electriques domestiques et aux tableaux qui en sont munis

Also Published As

Publication number Publication date
FR2546662B1 (fr) 1985-08-02
ATE25167T1 (de) 1987-02-15
EP0127533A1 (de) 1984-12-05
FR2546662A1 (fr) 1984-11-30
DE3462198D1 (en) 1987-02-26

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