EP0069631A2 - Switch with disconnection device of the neutral line - Google Patents
Switch with disconnection device of the neutral line Download PDFInfo
- Publication number
- EP0069631A2 EP0069631A2 EP82401160A EP82401160A EP0069631A2 EP 0069631 A2 EP0069631 A2 EP 0069631A2 EP 82401160 A EP82401160 A EP 82401160A EP 82401160 A EP82401160 A EP 82401160A EP 0069631 A2 EP0069631 A2 EP 0069631A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cradle
- slide
- circuit
- neutral
- circuit 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.)
- Granted
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/10—Adaptation for built-in fuses
- H01H9/104—Adaptation for built-in fuses with interlocking mechanism between switch and fuse
-
- 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
- H01H85/0078—Security-related arrangements
- H01H85/0091—Security-related arrangements providing disconnection of the neutral line
Definitions
- the invention relates to a circuit breaker with neutral disconnecting device comprising a support cradle for a fuse cartridge, pivotally mounted in a housing to selectively occupy an active position, in which the cartridge is locked in the cradle. support and inserted in a phase circuit connecting two connection terminals and an inactive position, in which the cartridge is isolated from said circuit and is removable from the support cradle and a neutral circuit cutting device actuated by said cradle, so as to close the neutral circuit in the active position of the cradle and open the neutral circuit in the inactive position of the cradle.
- a known device comprises a movable neutral sectioning contact with positive unidirectional control in the closing direction of the neutral circuit, the opening resulting from the action of a return spring. When soldering or blocking the neutral contacts in the closed position, the cradle can be pivoted to the inactive position while the neutral circuit is closed and security is no longer ensured.
- Another known device provides positive control when the neutral circuit is opened, but the flexibility of the contact allows the fuse holder cradle to pivot even if the neutral contacts are welded.
- the object of the present invention is to remedy this drawback and to allow the realization of a circuit breaker with increased safety.
- the circuit breaker according to the invention is characterized in that said neutral isolation device com carries a slide drawer desmodromically connected to said cradle to be moved positively respectively in the closed and open position by pivoting the cradle in the active position and in the inactive position.
- the desmodromic link between the fuse holder cradle and the movable contact of the neutral sectioning device ensures absolute agreement between the positions of these two members and avoids any false operation.
- connection between the neutral sectioning slide and the cradle is advantageously produced by a protuberance of the cradle which engages in a conjugate light of the slide so as to transform the pivoting movement into a sliding movement and vice versa.
- a circuit breaker with modular molded housing 10 capable of being fixed by its rear face 12 on a DIN rail (not shown), has on its opposite front face 14 a control lever 16.
- This lever 16 belongs to an elongated case 18. in which a fuse cartridge 20 can be inserted, the case 18 itself being inserted in a cradle 22, pivotally mounted on an axis 24 in the housing 10. In the inactive position from the cradle 22, shown in the figure, the fuse holder case 18 can be removed from the cradle 22 for replacing the fuse cartridge 20 by pulling on the lever 16.
- a neutral cut-off circuit is housed in the bottom of the housing 10 extending parallel to the rear face 12 and being connected to neutral terminals 44 adjacent to the terminals 36 of the phase circuit described above.
- the neutral circuit 42 comprises a movable contact strip in the form of a slide or drawer 46, mounted to slide parallel to the face 12 of the housing 10.
- the drawer 46 is inserted between two fixed contact clamps 48, 50, each connected to the 'one of the terminals 44 and it has a metal section 52, hatched in the figure, and an insulating section 54. In the right position of the drawer 46, shown in the figure, the insulating section 54 is inserted between the clamps 48, 50 and the neutral circuit 42 is cut off.
- the metal section 52 is inserted between the clamps 48, 50 and closes the neutral circuit 42.
- the cradle 22 is extended by a protuberance in the shape of a finger or ball joint 5A which engages with little play in a lumen 58 of the drawer 46, so as to create a desmodromic connection between the cradle 22 and the drawer slide 46.
- the finger connection 56, light 58 transforms the pivoting movement of the cradle 22 into a translation of the slide 46, the assembly being arranged to close the neutral circuit 42 when the phase circuit is closed and conversely open the neutral circuit when the phase circuit is open. It can be seen that the fuse 20 can only be removed from its housing when the phase circuit and the neutral circuit are both open.
- the desmodromic connection between the cradle 22 and the drawer cylinder 46 can of course be carried out in a different way, for example by articulations or rods and the neutral contact can be of the pivoting type.
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Tumbler Switches (AREA)
Abstract
Description
L'invention est relative à un coupe-circuit à dispositif de sectionnement du neutre comprenant un berceau de support d'une cartouche fusible, monté à pivotement dans un boîtier pour occuper sélectivement une position active, dans laquelle la cartouche est verrouillée dans le berceau de support et insérée dans un circuit de phase reliant deux bornes de raccordement et une position inactive, dans laquelle la cartouche est isolée dudit circuit et est amovible du berceau de support et un dispositif de sectionnement du circuit de neutre actionné par ledit berceau, de manière à fermer le circuit de neutre en position active du berceau et à ouvrir le circuit de neutre en position inactive du berceau.The invention relates to a circuit breaker with neutral disconnecting device comprising a support cradle for a fuse cartridge, pivotally mounted in a housing to selectively occupy an active position, in which the cartridge is locked in the cradle. support and inserted in a phase circuit connecting two connection terminals and an inactive position, in which the cartridge is isolated from said circuit and is removable from the support cradle and a neutral circuit cutting device actuated by said cradle, so as to close the neutral circuit in the active position of the cradle and open the neutral circuit in the inactive position of the cradle.
Les coupe-circuit du genre mentionné présentent une sécurité accrue car la cartouche fusible n'est accessible qu'après coupure du circuit de phase et du circuit de neutre. Un dispositif connu comporte un contact mobile de sectionnement du neutre à commande positive unidirectionnelle dans le sens de fermeture du circuit de neutre, l'ouverture résultant de l'action d'un ressort de rappel. Lors d'une soudure ou d'un blocage des contacts de neutre en position fermé, le berceau peut être pivoté en position inactive alors que le circuit de neutre est fermé et la sécurité n'est plus assurée. Un autre dispositif connu assure une commande positive à l'ouverture du circuit de neutre, mais la flexibilité du contact autorise un pivotement du berceau porte-fusible même si les contacts de neutre sont soudés.Circuit breakers of the type mentioned have increased safety because the fuse cartridge is only accessible after the phase circuit and the neutral circuit have been cut. A known device comprises a movable neutral sectioning contact with positive unidirectional control in the closing direction of the neutral circuit, the opening resulting from the action of a return spring. When soldering or blocking the neutral contacts in the closed position, the cradle can be pivoted to the inactive position while the neutral circuit is closed and security is no longer ensured. Another known device provides positive control when the neutral circuit is opened, but the flexibility of the contact allows the fuse holder cradle to pivot even if the neutral contacts are welded.
La présente invention a pour but de remédier à cet inconvénient et de permettre la réalisation d'un coupe-circuit à sécurité accrue.The object of the present invention is to remedy this drawback and to allow the realization of a circuit breaker with increased safety.
Le coupe-circuit selon l'invention est caractérisé par le fait que ledit dispositif de sectionnement de neutre comporte un coulisseau tiroir relié desmodromiquement audit berceau pour être déplacé positivement respectivement en position de fermeture et d'ouverture par pivotement du berceau en position active et en position inactive.The circuit breaker according to the invention is characterized in that said neutral isolation device com carries a slide drawer desmodromically connected to said cradle to be moved positively respectively in the closed and open position by pivoting the cradle in the active position and in the inactive position.
La liaison desmodromique entre le berceau porte-fusible et le contact mobile du dispositif de sectionnement de neutre assure une concordance absolue entre les positions de ces deux organes et évite toute fausse manoeuvre.The desmodromic link between the fuse holder cradle and the movable contact of the neutral sectioning device ensures absolute agreement between the positions of these two members and avoids any false operation.
La liaison entre le coulisseau de sectionnement de neutre et le berceau est avantageusement réalisée par une protubérance du berceau qui s'engage dans une lumière conjuguée du coulisseau de manière à transformer le mouvement de pivotement en un mouvement de coulissement et inversement.The connection between the neutral sectioning slide and the cradle is advantageously produced by a protuberance of the cradle which engages in a conjugate light of the slide so as to transform the pivoting movement into a sliding movement and vice versa.
D'autres avantages et caractéristiques ressortiront plus clairement de la description qui va suivre d'un mode de mise en oeuvre de l'invention, donné à titre d'exemple non limitatif et représenté au dessin annexé, dans lequel la figure unique est une vue en élévation partiellement arrachée et partiellement en coupe d'un coupe-circuit selon l'invention, la face latérale du boîtier étant supposée enlevée.Other advantages and characteristics will emerge more clearly from the description which follows of an embodiment of the invention, given by way of nonlimiting example and represented in the appended drawing, in which the single figure is a view. partially cutaway elevation and partially in section of a circuit breaker according to the invention, the lateral face of the housing being assumed to be removed.
Sur la figure un coupe-circuit à boîtier moulé modulaire 10, susceptible d'être fixé par sa face arrière 12 sur un rail DIN (non représenté), comporte sur sa face opposée avant 14 une manette 16 de commande. Cette manette 16 appartient à un étui allongé 18. dans lequel une cartouche fusible 20 peut être insérée, l'étui 18 étant lui-même inséré dans un berceau 22, monté à pivotement sur un axe 24 dans le boîtier 10. Dans la position inactive du berceau 22, représentée sur la figure, l'étui 18 porte-fusible peut être extrait du berceau 22 pour le remplacement de la cartouche fusible 20 en tirant sur la manette 16. En position active du berceau 22, correspondant à un pivotement de l'ensemble manette 16, étui 18, fusible 20 et berceau 22 dans le sens trigonométrique, l'étui 18 est engagé derrière un cache 26 du boîtier 10, qui empêche toute extraction. Dans cette position les plots 28, 30 de la cartouche fusible 20 sont au contact de pinces 32, 34 reliées à des bornes de phase 36 disposées sur les faces latérales 38, 40 du boîtier 10, la borne 36 sur la partie gauche de la figure représentée en coupe n'étant pas visible. Un tel coupe-circuit est bien connu et il présente l'avantage d'éviter tout risque de contact avec des pièces sous tension lors d'un retrait de la cartouche fusible 20, le circuit de phase étant obligatoirement coupé.In the figure a circuit breaker with modular molded
Selon l'invention un circuit de coupure de neutre, désigné par le repère général 42, est logé dans le fond du boîtier 10 en s'étendant parallèlement à la face arrière 12 et en étant raccordé à des bornes de neutre 44 adjacentes aux bornes 36 du circuit de phase décrit ci-dessus. Le circuit de neutre 42 comporte une barrette de contact mobile en forme de coulisseau ou tiroir 46, monté à coulissement parallèlement à la face 12 du boîtier 10. Le tiroir 46 est inséré entre deux pinces de contact fixes 48, 50, chacune reliée à l'une des bornes 44 et il présente une section métallique 52, hachurée sur la figure, et une section isolante 54. Dans la position de droite du tiroir 46, représentée sur la figure, la section isolante 54 est insérée entre les pinces 48, 50 et le circuit de neutre 42 est sectionné. Lors d'un coulissement vers la gauche du tiroir 46, la section métallique 52 s'insère entre les pinces 48, 50 et ferme le circuit de neutre 42.According to the invention a neutral cut-off circuit, designated by the
Le berceau 22 est prolongé par une protubérance en forme de doigt ou rotule 5A qui s'engage à faible jeu dans une lumière 58 du tiroir 46, de manière à créer une liaison desmodromique entre le berceau 22 et le coulisseau tiroir 46. La liaison doigt 56, lumière 58 transforme le mouvement de pivotement du berceau 22 en une translation du coulisseau 46, l'ensemble étant agencé pour fermer le circuit de neutre 42 lorsque le circuit de phase est fermé et inversement ouvrir le circuit de neutre lorsque le circuit de phase est ouvert. On voit que le fusible 20 ne peut être extrait de son logement que lorsque le circuit de phase et le circuit de neutre sont tous deux ouverts.The
Il est clair que la liaison positive par le doigt 56 permet d'assurer une reproduction fidèle de la position du coulisseau 46 par la position de la manette 16, ce qui permet d'éviter toute fausse manoeuvre. Notamment lors d'une soudure des contacts de neutre 48, 50, 52, le coulisseau 46 est immobilisé dans la position de gauche et tout pivotement de la manette 16 vers la position de sectionnement est empêché. L'ordre de fermeture des contacts de neutre et de phase est déterminé par la cinématique du mécanisme et le coupe-circuit peut être équipé d'un indicateur de fusion 60.It is clear that the positive connection by the
La liaison desmodromique entre le berceau 22 et le cculis- seau tiroir 46 peut bien entendu être réalisée d'une manière différente, par exemple par des articulations ou biellettes et le contact de neutre peut être du type à pivotement.The desmodromic connection between the
Claims (4)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8113198 | 1981-06-30 | ||
FR8113198A FR2508700A1 (en) | 1981-06-30 | 1981-06-30 | NEUTRAL SECTIONING CIRCUIT BREAKERS |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0069631A2 true EP0069631A2 (en) | 1983-01-12 |
EP0069631A3 EP0069631A3 (en) | 1983-02-16 |
EP0069631B1 EP0069631B1 (en) | 1985-09-25 |
Family
ID=9260215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19820401160 Expired EP0069631B1 (en) | 1981-06-30 | 1982-06-24 | Switch with disconnection device of the neutral line |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0069631B1 (en) |
DE (1) | DE3266536D1 (en) |
ES (1) | ES8304707A1 (en) |
FR (1) | FR2508700A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2574218A1 (en) * | 1984-12-03 | 1986-06-06 | Merlin Gerin | Effector for a modular installation for domestic distribution and management of electrical energy |
EP0410235A2 (en) * | 1989-07-22 | 1991-01-30 | B.V. Hollandse Apparatenfabriek "H.A.F." | Electric switch gear |
FR2761540A1 (en) * | 1997-03-26 | 1998-10-02 | Mecelec Ind | Fused service cable way in 3=phase distribution box |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1754441A (en) * | 1926-08-23 | 1930-04-15 | Sachs Joseph | Electric-circuit-controlling appliance |
US2168540A (en) * | 1937-04-13 | 1939-08-08 | Colt S Mfg Co | Electric switch |
US2423099A (en) * | 1945-09-13 | 1947-07-01 | Stephen S Grady | Electric switch |
FR2431762A1 (en) * | 1978-07-19 | 1980-02-15 | Legrand Sa | Circuit breaker with rocker switch retaining cartridge fuse - breaks live circuit and independent neutral circuit when fuse is exposed |
US4233482A (en) * | 1977-02-28 | 1980-11-11 | Gould Inc. | Enclosed fused disconnect switch |
-
1981
- 1981-06-30 FR FR8113198A patent/FR2508700A1/en active Granted
-
1982
- 1982-06-24 DE DE8282401160T patent/DE3266536D1/en not_active Expired
- 1982-06-24 EP EP19820401160 patent/EP0069631B1/en not_active Expired
- 1982-06-28 ES ES513534A patent/ES8304707A1/en not_active Expired
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1754441A (en) * | 1926-08-23 | 1930-04-15 | Sachs Joseph | Electric-circuit-controlling appliance |
US2168540A (en) * | 1937-04-13 | 1939-08-08 | Colt S Mfg Co | Electric switch |
US2423099A (en) * | 1945-09-13 | 1947-07-01 | Stephen S Grady | Electric switch |
US4233482A (en) * | 1977-02-28 | 1980-11-11 | Gould Inc. | Enclosed fused disconnect switch |
FR2431762A1 (en) * | 1978-07-19 | 1980-02-15 | Legrand Sa | Circuit breaker with rocker switch retaining cartridge fuse - breaks live circuit and independent neutral circuit when fuse is exposed |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2574218A1 (en) * | 1984-12-03 | 1986-06-06 | Merlin Gerin | Effector for a modular installation for domestic distribution and management of electrical energy |
EP0410235A2 (en) * | 1989-07-22 | 1991-01-30 | B.V. Hollandse Apparatenfabriek "H.A.F." | Electric switch gear |
EP0410235A3 (en) * | 1989-07-22 | 1992-07-08 | B.V. Hollandse Apparatenfabriek "H.A.F." | Electric switch gear |
FR2761540A1 (en) * | 1997-03-26 | 1998-10-02 | Mecelec Ind | Fused service cable way in 3=phase distribution box |
Also Published As
Publication number | Publication date |
---|---|
EP0069631A3 (en) | 1983-02-16 |
FR2508700B1 (en) | 1985-03-22 |
ES513534A0 (en) | 1983-03-16 |
FR2508700A1 (en) | 1982-12-31 |
DE3266536D1 (en) | 1985-10-31 |
ES8304707A1 (en) | 1983-03-16 |
EP0069631B1 (en) | 1985-09-25 |
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