EP1934996B1 - Electrical switching device with fuse - Google Patents

Electrical switching device with fuse Download PDF

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Publication number
EP1934996B1
EP1934996B1 EP06808142A EP06808142A EP1934996B1 EP 1934996 B1 EP1934996 B1 EP 1934996B1 EP 06808142 A EP06808142 A EP 06808142A EP 06808142 A EP06808142 A EP 06808142A EP 1934996 B1 EP1934996 B1 EP 1934996B1
Authority
EP
European Patent Office
Prior art keywords
fuse
housing
connection
circuit breaker
breaker according
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.)
Ceased
Application number
EP06808142A
Other languages
German (de)
French (fr)
Other versions
EP1934996A1 (en
Inventor
Roger Dumont
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.)
Socomec SA
Original Assignee
Socomec SA
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 Socomec SA filed Critical Socomec SA
Publication of EP1934996A1 publication Critical patent/EP1934996A1/en
Application granted granted Critical
Publication of EP1934996B1 publication Critical patent/EP1934996B1/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01H9/106—Adaptation for built-in fuses fuse and switch being connected in parallel
    • 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
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H2085/2065—Bases for supporting the fuse; Separate parts thereof with base contacts adapted or adaptable to fuses of different lenghts; bases with self-aligning contacts; intermediate adaptation pieces
    • 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
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H2085/207—Bases adapted to fuses with different end contacts or to other components, e.g. circuit breakers; intermediate adaptation pieces
    • 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
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/2005—Bases for supporting the fuse; Separate parts thereof for use with screw-in type 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
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/202—Bases for supporting the fuse; Separate parts thereof for fuses with ferrule type end contacts
    • 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
    • H01H85/34—Distinguishing marks, e.g. colour coding

Definitions

  • the present invention relates to an electrical fuse cutoff device comprising at least one housing containing at least two electrical contacts connected by a fuse disposed outside said housing, the fuse having at least two connection pads, each electrically coupled to said electrical contacts by two support elements passing through said housing, each support element comprising at least one connection zone to said fuse disposed outside the housing, an attachment zone to said housing and a connection zone to said electrical contact disposed at the inside the case.
  • switchgear devices such as fuse switches or fuse disconnectors are commonly used in order to protect the power supply of industrial equipment.
  • These switching devices have ratings that can vary from a few tens to several thousand amperes and are, therefore, equipped with different fuse formats selected according to, in particular, the rating of the breaking device and the national standards in force. and / or international.
  • Each fuse format is distinguished by its dimensions, its form of connection pads and its connection mode. As a result, there are specific support elements for each fuse format and each electrical breaking device is different.
  • the document GB-A-2280 786 discloses a switchgear according to the preamble of claim 1.
  • the present invention aims at proposing a solution making it possible to universalize as much as possible the fuse support elements and the corresponding breaking devices, so that they can receive several fuse formats, in order to reduce the number of references, to massify the production. and reduce production costs, while simplifying cut-off devices.
  • the invention relates to an electrical switching device of the type indicated in the preamble, characterized in that at least the housing and the electrical contacts are arranged to allow the mounting of the support elements on the housing in different mounting positions in order to be able to adapt their center distance to different fuse formats and make this housing universal.
  • the housing comprises at least two connection openings each disposed facing an electrical contact, these connection openings being elongate and delimiting for each support element two extreme mounting positions. It may also comprise at least two sets of several parallel connection slots, each set being arranged opposite an electrical contact, these connection slots defining for each support element different fixed mounting positions.
  • the electrical contacts each comprise at least one conductive bar extending at least along the length of the connecting opening or set of connection slots corresponding thereto and the connection area of each support element comprises at least a spring clip adapted to fit on the corresponding electrical contact.
  • This spring clip may comprise at least two branches biased towards each other by at least one spring member or at least one fixed branch and a movable branch biased towards the fixed branch by at least one spring member.
  • each support member comprises complementary fixing means arranged to allow the fixing of the support elements on the housing in their different mounting positions.
  • each support element comprises, in its attachment area, a base in plane support on the housing and fixed thereto by at least one fixing member.
  • connection area of the support members is also arranged to permit the mounting of different forms of connection pads corresponding to different fuse formats, making these support elements universal.
  • connection area of each support member comprises at least one spring clip adapted to receive by interlocking a connection range of the fuse.
  • This spring clip is adaptable to the connection pads of different fuse sizes and may comprise at least one fixed branch and a movable branch biased towards the fixed branch by at least one spring member.
  • the movable branches of the connection and connection areas of the same support member are advantageously formed of a single blade pivotally mounted about an axis substantially median to said support member and biased by the same spring member.
  • connection zone of each support element comprises at least one connecting lug adapted to receive in plane support a fuse connection range fixed by at least one fixing member, the connecting lug comprising at least one connecting lug. minus two superimposed fixing holes of diameters different to receive fasteners suitable for different fuse formats.
  • This connection zone may comprise at least one mounting bracket reported under the connecting lug and provided with a first fixing hole, the connecting lug having the second fixing hole of a diameter greater than the first.
  • the housing and the support elements may comprise means for indexing the various possible mounting positions and an identification marking of the different fuse formats corresponding to said indexed mounting positions.
  • the electric switching device 1 is a three-phase fuse switch or disconnector provided with three cut-off modules 2, one for each phase or pole of the electrical distribution network, and one control module 3.
  • This electric switching device 1 may comprise a number of different poles.
  • Each cutoff module 2 is formed of a substantially parallelepiped-shaped casing 20 enclosing electrical contacts 4, at least two of which are electrically connected by a fuse 5 disposed outside the casing 20 and carried by two support elements. 6, 7.
  • Each support element 6, 7 comprises a connection zone A to the fuse, located outside the housing 20 to connect to the fuse 5 by its connection pads 50, a connection area C to the electrical contact, located inside the housing 20 to connect to the electrical contact 4, and a fixing zone B to the housing, preferably located outside the housing 20 between the zones A and C.
  • the format of the fuses 5 depends on the size of the electrical breaking device 1, namely its amperage, and the normative specificities of each country.
  • the object of the invention is to allow the mounting of different formats of existing fuses or at least the main ones, with only one type of housing 20 and two types of support elements 6, 7.
  • These different fuse formats, referenced 5a to 5f, are summarized in the table below: Ref. Fig. Standard Cut Log in Diameter 5a BS B1 - B2 Screwed M8 screws 5c BS A4 Screwed M8 screws 5b UL J Screwed or nested M6 screws 5d DIN 1 nested --- 5th DIN 0 nested --- 5f DIN 00 - 00C nested ---
  • the invention accordingly proposes two models of support elements 6, 7, a first model of support elements 6 illustrated in FIGS. Figures 3 to 6 which allows the connection pads 50 of the fuses 5a-c to be fixed by screwing, and a second model of support elements 7 illustrated in FIGS. Figures 7 to 9 which allows the fixing of the connection pads 50 of the fuses 5b and 5d-f.
  • the housing 20 meanwhile is designed on the basis of a single model compatible with one or the other model of support elements 6, 7 chosen.
  • the housing 20 comprises on the face receiving the fuse 5 two connection openings 21 each arranged facing an electrical contact 4 and allowing the passage of the connection area C of each support member 6, 7.
  • connection openings 21 are rectangular and sufficiently elongated to allow the assembly of the elements of support 6, 7 in different positions in order to adapt their spacing to the different fuse formats 5a-f.
  • the electrical contacts 4 comprise a conductive bar which extends parallel to the axis of the connection opening 21 and over its entire length so that the electrical connection is possible regardless of the mounting position of the support element 6, 7.
  • connection openings 21 have the advantage of allowing a continuous adjustment of their position. However, they may be replaced by two sets of several parallel connection slots (not shown) each defining a mounting position of the support elements 6, 7.
  • the housing 20 comprises at least two threaded fixing holes 22 each adapted to receive a fixing member 23, such as a screw, for fixing in a chosen mounting position of each support element 6, 7.
  • Each fixing hole 22 may be formed by a square nut 24 housed in a groove 25 of the housing 20, the position of this nut 24 being adjustable to adapt to the chosen mounting position.
  • Each support element 6, 7 is mounted in a base 8 in plane support on the housing 20 and fixed on the latter at least by the fixing member 23.
  • the base 8 has openings 80 capable of being traversed by at least the zone of connection to the contact C of the support elements 6, 7. It also comprises a housing (not visible) adapted to receive by interlocking the fixing lug 60 provided in the zone of attachment to the housing B of the elements of support 6, 7.
  • This base 8 comprises an orifice 81 for the passage of the fastener 23, which simultaneously fixes the support member 6, 7, through an oblong hole 61 provided in said fixing lug 60.
  • base 8 is made of an electrically insulating material and makes it possible to secure the assembly by firmly holding the support element 6, 7 with respect to the housing 20 and to close the connection openings 21.
  • the housing 20 also comprises indexing means 26 in the form of notches adapted to cooperate with complementary notches 86 provided under the base 8 to define the different possible mounting positions of the support elements 6, 7.
  • An identification marking 27 is provided on the housing 20 to be visible through a window 87 provided in the base 8 for the purpose of identifying the fuse or formats that correspond to the mounting positions defined by the means 26.
  • the housing 20 finally has connection terminals 28 accessible on its sides for the connection of measurement or control equipment to voltage taps (not shown) connected directly to the electrical contacts 4.
  • the configuration of FIG. the face receiving the fuse 5 of the housing 20 is symmetrical with respect to its central point and allows mounting on the right or left of the same support elements 6, 7 which are therefore reversible.
  • the support element 6 is made in an electrically conductive bar having a substantially inverted-L shape, the large branch of the L defining the connection area to the contact C and the small branch of the L defining the connection zone to the fuse A.
  • This fuse connection zone A comprises a connecting lug 62 provided with at least one threaded fixing hole 63 on which is fixed a connection pad 50 of the fuse 5 by at least one fastener (not shown) screwed to the through a bore 51 preferably oblong in the fixing hole 63.
  • This connecting lug 62 has a smooth hole 64 disposed opposite the fixing lug 60 to allow access to the fastener 23 by a tool 10 such as a screwdriver for example.
  • This connecting lug 62 comprises a mounting bracket 9, made of an electrically conductive material, substantially U-shaped, fixed under the connecting lug 62 by a return 90 and two fasteners 91 such as screws. It comprises in its base 92 a fixing hole 93 threaded, disposed opposite the fixing hole 63 and a smaller diameter.
  • the fixing hole 63 corresponds to a diameter M8 adapted to the fuse formats 5a and 5c
  • the fixing hole 93 corresponds to a diameter M6 adapted to fuse formats 5b, This particular arrangement makes it possible to fix these three different fuse formats 5a-c on the same element of support 6.
  • the fixing hole 93 may be formed by a square nut 94, held between three tabs cut in the base 92 and folded to form a cage 95.
  • the branches 96 of the mounting bracket 9 start from the base 92 to frame the connecting lug 62 of the support element 6. This mounting bracket 9 also allows, by its shape, to ensure a dissipation Joules generated by the electrical connection.
  • This support element 6 comprises in its contact connection area C at least one spring clip 65 adapted to fit on the electrical contact 4.
  • This spring clip 65 has two substantially parallel vertical branches separated by a slot whose width corresponds to the thickness of the electrical contact 4.
  • a spring member 66 is mounted around the two branches to urge them towards each other and provide a tight fitting so a quality electrical connection.
  • this spring member 66 is formed of a wire provided with a helical median section and two free ends engaged with external notches formed in the branches of the clamp 65.
  • other spring members 66 may be suitable such as a circlip or the like.
  • the support member 7 is formed in an electrically conductive bar having a substantially I-shaped, the connection areas to the fuse A and C contact connection being aligned.
  • the fuse connection zone A comprises a spring clip 70 adapted to receive by interlocking a connection pad 50 of the fuse 5.
  • This spring clip 70 comprises two branches 71, 72, one 71 being fixed and the other 72 mobile and biased towards the fixed branch 71 by a spring member 73 to ensure a good electrical connection and simultaneously to adjust the interval between the branches 71, 72 at different thicknesses of connection pads 50 for different fuse formats 5.
  • the contact connection area C comprises a spring clip 74 adapted to fit on the electrical contact 4.
  • This spring clip 74 comprises two branches 75, 76, one 75 being fixed and the other 76 being mobile and biased towards the fixed branch 75 by a spring member 73 to ensure a good electrical connection.
  • the two movable arms 72, 76 are formed of one and the same blade, slightly V-shaped, pivotally mounted about a substantially median axis 77, located in the zone of attachment to the housing B and oriented perpendicular to the support member 7. This flat blade is biased by a single spring member 73, also in the form of a V blade retained by the axis 77.
  • any other member spring 73 or any other embodiment of the movable branches 72, 76 may be suitable.
  • these support elements 6, 7 to the housing 20 is very simple. They are previously assembled to their base 8 by introducing their connection area to the contact C through the openings 80 of the base 8 to the attachment area B where the fixing lug 60 is fitted into the corresponding housing of the base 8. This subassembly is then mounted on the housing 20 by introducing the connection area to the contact C through the connection openings 21 and fitting the spring clip 65, 74 on the corresponding electrical contact 4. It is simultaneously positioned by placing each base 8 in the mounting position which corresponds to the fuse format 5 to be mounted. For this, the operator is assisted by the markings 27 and the indexing means 26.
  • Each subassembly is locked in position on the housing 20 by using the fastener 23 which passes successively through the orifice 81 of the base 8 and then the oblong hole 61 of the support element 6, 7 before being screwed into the fixing hole 22 of the housing 20 with the help of, for example, a screwdriver 10.
  • the fuse 5 can be put in place by screwing or simple interlocking on the connection areas A support elements 6, 7, the spacings and fixing being adapted to its different formats.
  • FIGS 3A-C illustrate a housing 20 of an electrical breaking device 1 according to the invention equipped with two support elements 6 according to the first model for mounting different fuse formats 5a-c, namely the BS type B1 or B2 formats, the BS format A4 type and UL type J format which must be screwed.
  • the Figures 4AB and 4C show the top of the housing 20 without the fuse 5a-c in each case.
  • the figure 3A illustrates the mounting corresponding to fuse 5a of BS type B1 or B2 format.
  • the support elements 6 are symmetrically spaced apart from each other, the notches 86 of the bases 8 are nested in the first notches 26 starting from the sides of the housing 20 and the two windows 87 show the marking 27 "B1.B2.J" as shown in Figure 4AB .
  • the connection pads 50 of the fuse 5a are fixed by a fixing screw M8 in the fixing hole 63 of the connection tab 62.
  • the figure 3B illustrates the mounting corresponding to the fuse 5b UL format type J which is identical to that of the figure 3A except that the connection pads 50 of the fuse 5b are fixed by a fixing screw M6 in the fixing hole 93 of the mounting bracket 9 provided under the connection tab 62.
  • the figure 3C illustrates the mounting corresponding to fuse 5c BS format type A4.
  • the support elements 6 are brought symmetrically close to each other, the notches 86 of the bases 8 are nested in the third notches 26 starting from the sides of the housing 20 and the two windows 87 show the marking 27 "A4" as shown in figure 4C .
  • the connection pads 50 of the fuse 5c are fixed by a fixing screw M8 in the fixing hole 63 of the connection tab 62.
  • the Figures 7A-D illustrate a housing 20 of an electrical breaking device 1 according to the invention equipped with two support elements 7 according to the first model for mounting different fuse formats 5b, 5d-f, namely the UL type J format and the DIN formats type 0, 00, 00C or 1, which can be nested.
  • the Figures 8AB , 8C and 8D show the top of the housing 20 without the fuse 5b, 5d-f in each case.
  • the Figure 7A illustrates the mounting corresponding to fuse 5d DIN type 1.
  • the support elements 6 are symmetrically spaced apart from each other, the notches 86 of the bases 8 are fitted into the first notches 26 starting the sides of the housing 20 and the two windows 87 show the marking 27 "0.1.J" on the right side and "1.J" on the left side as illustrated in FIG. Figure 8AB .
  • the Figure 7B illustrates the mounting corresponding to the fuse 5b UL format type J which is identical to that of the Figure 7A , the connection pads 50 of the fuse 5b being fitted into the spring clamps 70, unlike the assembly illustrated in FIG. figure 3B where they were screwed.
  • the Figure 7C illustrates the mounting corresponding to fuse 5e DIN 0 format.
  • the support element 6 on the left is shifted by one notch 26 to the right and the window 87 on the left shows the marking 27 "0" as illustrated to the Figure 8C .
  • the Figure 7D illustrates the fitting corresponding to fuse 5f DIN format type 00 or 00C.
  • the support elements 6 are brought symmetrically close to each other, the notches 86 of the bases 8 being nested in the last and fourth notches 26 starting from the sides of the housing 20 and the two windows 87 show the marking 27 "00" as shown in figure 8D .
  • connection pads 50 of the fuses 5b, 5d-f are fitted into force in the spring clips 70 which adapt to the thickness of these ranges by means of the spring member 73 and the pivot mounting of moving limbs 72, 76.

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  • Fuses (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)

Abstract

The invention concerns a universal electrical interrupt appliance for different fuse formats. In said interrupt appliance (1), the housing (20) and the inner electrical contacts (4) are designed to authorize support elements (6) of the fuse (5c) to be mounted in different mounting positions so as to adjust their pitch to adapt it to different fuse formats. Similarly, the connection of the elements supporting (6) to the fuse (5c) is configured to enable different shapes of connecting pads (50) corresponding to the different fuse formats to be mounted. The invention is applicable to any type of fuse electrical interrupt appliances in any type of installation.

Description

Domaine technique :Technical area :

La présente invention concerne un appareil de coupure électrique à fusible comportant au moins un boîtier renfermant au moins deux contacts électriques reliés par un fusible disposé à l'extérieur dudit boîtier, ce fusible comportant au moins deux plages de connexion, chacune couplée électriquement aux-dits contacts électriques par deux éléments de support traversant ledit boîtier, chaque élément de support comportant au moins une zone de connexion audit fusible disposée à l'extérieur du boîtier, une zone de fixation audit boîtier et une zone de raccordement audit contact électrique disposée à l'intérieur du boîtier.The present invention relates to an electrical fuse cutoff device comprising at least one housing containing at least two electrical contacts connected by a fuse disposed outside said housing, the fuse having at least two connection pads, each electrically coupled to said electrical contacts by two support elements passing through said housing, each support element comprising at least one connection zone to said fuse disposed outside the housing, an attachment zone to said housing and a connection zone to said electrical contact disposed at the inside the case.

Technique antérieure :Prior art:

Dans le domaine de la distribution de l'énergie électrique, on utilise couramment des appareils de coupure tels que des interrupteurs-fusibles ou des sectionneurs-fusibles dans le but de protéger l'alimentation électrique d'équipements industriels. Ces appareils de coupure ont des calibres qui peuvent varier de quelques dizaines à plusieurs milliers d'ampères et sont, de ce fait, équipés de différents formats de fusible choisis en fonction notamment du calibre de l'appareil de coupure et des normes en vigueur nationales et/ou internationales. Chaque format de fusible se distingue par ses dimensions, sa forme de plages de connexion et son mode de connexion. En conséquence, il existe, pour chaque format de fusible, des éléments de support spécifiques et chaque appareil de coupure électrique est différent.
Le document GB-A-2280 786 décrit un un appareil de coupure selon le préambule de la revendication 1.In the field of distribution of electrical energy, switchgear devices such as fuse switches or fuse disconnectors are commonly used in order to protect the power supply of industrial equipment. These switching devices have ratings that can vary from a few tens to several thousand amperes and are, therefore, equipped with different fuse formats selected according to, in particular, the rating of the breaking device and the national standards in force. and / or international. Each fuse format is distinguished by its dimensions, its form of connection pads and its connection mode. As a result, there are specific support elements for each fuse format and each electrical breaking device is different.
The document GB-A-2280 786 discloses a switchgear according to the preamble of claim 1.

Exposé de l'invention :Presentation of the invention

La présente invention vise à proposer une solution permettant d'universaliser au maximum les éléments de support du fusible et les appareils de coupure correspondants, pour qu'ils puissent recevoir plusieurs formats de fusible, afin de réduire le nombre de références, de massifier la production et de réduire les coûts de production, tout en simplifiant les appareils de coupure.The present invention aims at proposing a solution making it possible to universalize as much as possible the fuse support elements and the corresponding breaking devices, so that they can receive several fuse formats, in order to reduce the number of references, to massify the production. and reduce production costs, while simplifying cut-off devices.

Dans ce but, l'invention concerne un appareil de coupure électrique du genre indiqué en préambule, caractérisé en ce qu'au moins le boîtier et les contacts électriques sont agencés pour autoriser le montage des éléments de support sur le boîtier dans différentes positions de montage de manière à pouvoir adapter leur entraxe à différents formats de fusible et rendre ce boîtier universel.For this purpose, the invention relates to an electrical switching device of the type indicated in the preamble, characterized in that at least the housing and the electrical contacts are arranged to allow the mounting of the support elements on the housing in different mounting positions in order to be able to adapt their center distance to different fuse formats and make this housing universal.

Dans une forme de réalisation préférée, le boîtier comporte au moins deux ouvertures de raccordement disposées chacune en regard d'un contact électrique, ces ouvertures de raccordement étant allongées et délimitant pour chaque élément de support deux positions de montage extrêmes. Il peut aussi comporter au moins deux jeux de plusieurs fentes de raccordement parallèles, chaque jeu étant disposé en regard d'un contact électrique, ces fentes de raccordement définissant pour chaque élément de support différentes positions de montage fixes.In a preferred embodiment, the housing comprises at least two connection openings each disposed facing an electrical contact, these connection openings being elongate and delimiting for each support element two extreme mounting positions. It may also comprise at least two sets of several parallel connection slots, each set being arranged opposite an electrical contact, these connection slots defining for each support element different fixed mounting positions.

De préférence, les contacts électriques comportent chacun au moins une barre conductrice s'étendant au moins sur la longueur de l'ouverture de raccordement ou du jeu de fentes de raccordement qui lui correspond et la zone de raccordement de chaque élément de support comporte au moins une pince à ressort apte à s'emboîter sur le contact électrique qui lui correspond.Preferably, the electrical contacts each comprise at least one conductive bar extending at least along the length of the connecting opening or set of connection slots corresponding thereto and the connection area of each support element comprises at least a spring clip adapted to fit on the corresponding electrical contact.

Cette pince à ressort peut comporter au moins deux branches sollicitées l'une vers l'autre par au moins un organe ressort ou au moins une branche fixe et une branche mobile sollicitée vers la branche fixe par au moins un organe ressort.This spring clip may comprise at least two branches biased towards each other by at least one spring member or at least one fixed branch and a movable branch biased towards the fixed branch by at least one spring member.

De manière avantageuse, le boîtier et la zone de montage de chaque élément de support comportent des moyens de fixation complémentaires agencés pour permettre la fixation des éléments de support sur le boîtier dans leurs différentes positions de montage. A cet effet, chaque élément de support comporte, dans sa zone de fixation, une embase en appui plan sur le boîtier et fixée à ce dernier par au moins un organe de fixation.Advantageously, the housing and the mounting area of each support member comprise complementary fixing means arranged to allow the fixing of the support elements on the housing in their different mounting positions. For this purpose, each support element comprises, in its attachment area, a base in plane support on the housing and fixed thereto by at least one fixing member.

Dans la forme de réalisation préférée, la zone de connexion des éléments de support est également agencée pour permettre le montage de différentes formes de plages de connexion correspondant à différents formats de fusible, rendant ces éléments de support universels.In the preferred embodiment, the connection area of the support members is also arranged to permit the mounting of different forms of connection pads corresponding to different fuse formats, making these support elements universal.

Dans une première variante de réalisation, la zone de connexion de chaque élément de support comporte au moins une pince à ressort apte à recevoir par emboîtement une plage de connexion du fusible. Cette pince à ressort est adaptable aux plages de connexion de différents formats de fusible et peut comporter au moins une branche fixe et une branche mobile sollicitée vers la branche fixe par au moins un organe ressort.In a first embodiment, the connection area of each support member comprises at least one spring clip adapted to receive by interlocking a connection range of the fuse. This spring clip is adaptable to the connection pads of different fuse sizes and may comprise at least one fixed branch and a movable branch biased towards the fixed branch by at least one spring member.

Les branches mobiles des zones de connexion et de raccordement d'un même élément de support sont formées avantageusement d'une seule et même lame, montée pivotante autour d'un axe sensiblement médian audit élément de support et sollicitée par un même organe ressort.The movable branches of the connection and connection areas of the same support member are advantageously formed of a single blade pivotally mounted about an axis substantially median to said support member and biased by the same spring member.

Dans une seconde variante de réalisation, la zone de connexion de chaque élément de support comporte au moins une patte de connexion apte à recevoir en appui plan une plage de connexion du fusible fixée par au moins un organe de fixation, la patte de connexion comportant au moins deux trous de fixation superposés de diamètres différents pour recevoir des organes de fixation adaptés à différents formats de fusible. Cette zone de connexion peut comporter au moins un étrier de montage rapporté sous la patte de connexion et pourvue d'un premier trou de fixation, la patte de connexion comportant le second trou de fixation d'un diamètre supérieur au premier.In a second variant embodiment, the connection zone of each support element comprises at least one connecting lug adapted to receive in plane support a fuse connection range fixed by at least one fixing member, the connecting lug comprising at least one connecting lug. minus two superimposed fixing holes of diameters different to receive fasteners suitable for different fuse formats. This connection zone may comprise at least one mounting bracket reported under the connecting lug and provided with a first fixing hole, the connecting lug having the second fixing hole of a diameter greater than the first.

Le boîtier et les éléments de support peuvent comporter des moyens d'indexage des différentes positions de montage possibles ainsi qu'un marquage d'identification des différents formats de fusible correspondant aux-dites positions de montage indexées.The housing and the support elements may comprise means for indexing the various possible mounting positions and an identification marking of the different fuse formats corresponding to said indexed mounting positions.

Description sommaire des dessins :Brief description of the drawings:

La présente invention et ses avantages apparaîtront mieux dans la description suivante de deux modes de réalisation donnés à titre d'exemple non limitatif, en référence aux dessins annexés, dans lesquels :

  • la figure 1 est une vue en perspective d'un appareil de coupure électrique à trois pôles selon l'invention,
  • la figure 2 est une vue en perspective du boîtier d'un module de coupure de l'appareil de la figure 1,
  • les figures 3A-C sont des vues en perspective du boîtier de la figure 2 selon un premier mode de réalisation équipé respectivement de trois formats de fusible différents,
  • les figures 4AB et C sont des vues de dessus du boîtier correspondant aux figures 3A et 3B puis 3C,
  • les figures 5A et 5B sont des vues en perspective de dessus et de dessous d'un élément de support de fusible selon le premier mode de réalisation et la figure 5C est une vue de détail d'une pièce de cet élément de support,
  • la figure 6 est une vue similaire à la figure 3C, d'un boîtier et de ses éléments de support, sans fusible, en phase de montage ou de réglage,
  • les figures 7A-D sont des vues en perspective du boîtier de la figure 2 selon un second mode de réalisation équipé respectivement de quatre formats de fusible différents,
  • les figures 8AB, C et D sont des vues de dessus du boîtier correspondant aux figures 7A et B, 7C et 7D, et
  • les figures 9A et 9B sont des vues respectivement en perspective et de côté d'un élément de support de fusible selon le second mode de réalisation.
The present invention and its advantages will appear better in the following description of two embodiments given by way of non-limiting example, with reference to the appended drawings, in which:
  • the figure 1 is a perspective view of a three-pole electrical breaking device according to the invention,
  • the figure 2 is a perspective view of the housing of a module of cutoff of the apparatus of the figure 1 ,
  • the Figures 3A-C are perspective views of the case of the figure 2 according to a first embodiment respectively equipped with three different fuse formats,
  • the Figures 4AB and C are top views of the housing corresponding to Figures 3A and 3B then 3C,
  • the Figures 5A and 5B are top and bottom perspective views of a fuse support member according to the first embodiment and the Figure 5C is a detail view of a part of this support element,
  • the figure 6 is a view similar to the figure 3C , a housing and its support elements, without fuse, during assembly or adjustment phase,
  • the Figures 7A-D are perspective views of the case of the figure 2 according to a second embodiment respectively equipped with four different fuse formats,
  • the Figures 8AB , C and D are top views of the housing corresponding to Figures 7A and B, 7C and 7D , and
  • the Figures 9A and 9B are respectively perspective and side views of a fuse support member according to the second embodiment.

Illustrations de l'invention :Illustrations of the invention:

En référence aux figures, l'appareil de coupure électrique 1 selon l'invention est un interrupteur ou un sectionneur à fusible, triphasé pourvu de trois modules de coupure 2, un pour chaque phase ou pôle du réseau de distribution électrique, et d'un module de commande 3. Cet appareil de coupure électrique 1 peut comporter un nombre de pôles différents. Chaque module de coupure 2 est formé d'un boîtier 20, de forme sensiblement parallélépipédique, renfermant des contacts électriques 4, dont au moins deux sont raccordés électriquement par un fusible 5 disposé à l'extérieur du boîtier 20 et porté par deux éléments de support 6, 7. Chaque élément de support 6, 7 comporte une zone de connexion A au fusible, située à l'extérieur du boîtier 20 pour se connecter au fusible 5 par ses plages de connexion 50, une zone de raccordement C au contact électrique, située à l'intérieur du boîtier 20 pour se connecter au contact électrique 4, et une zone de fixation B au boîtier, située de préférence à l'extérieur du boîtier 20 entre les zones A et C.With reference to the figures, the electric switching device 1 according to the invention is a three-phase fuse switch or disconnector provided with three cut-off modules 2, one for each phase or pole of the electrical distribution network, and one control module 3. This electric switching device 1 may comprise a number of different poles. Each cutoff module 2 is formed of a substantially parallelepiped-shaped casing 20 enclosing electrical contacts 4, at least two of which are electrically connected by a fuse 5 disposed outside the casing 20 and carried by two support elements. 6, 7. Each support element 6, 7 comprises a connection zone A to the fuse, located outside the housing 20 to connect to the fuse 5 by its connection pads 50, a connection area C to the electrical contact, located inside the housing 20 to connect to the electrical contact 4, and a fixing zone B to the housing, preferably located outside the housing 20 between the zones A and C.

Le format des fusibles 5 dépend du calibre de l'appareil de coupure électrique 1, à savoir son ampérage, et des spécificités normatives de chaque pays. Le but de l'invention est de permettre le montage des différents formats de fusibles existants ou du moins des principaux, avec uniquement un type de boîtier 20 et deux types d'éléments de support 6, 7. Ces différents formats de fusible, référencés 5a à 5f, sont résumés dans le tableau ci-dessous : Réf. Fig. Norme Taille Connexion Diamètre 5a BS B1 - B2 Vissée Vis M8 5c BS A4 Vissée Vis M8 5b UL J Vissée ou emboîtée Vis M6 5d DIN 1 Emboîtée --- 5e DIN 0 Emboîtée --- 5f DIN 00 - 00C Emboîtée --- The format of the fuses 5 depends on the size of the electrical breaking device 1, namely its amperage, and the normative specificities of each country. The object of the invention is to allow the mounting of different formats of existing fuses or at least the main ones, with only one type of housing 20 and two types of support elements 6, 7. These different fuse formats, referenced 5a to 5f, are summarized in the table below: Ref. Fig. Standard Cut Log in Diameter 5a BS B1 - B2 Screwed M8 screws 5c BS A4 Screwed M8 screws 5b UL J Screwed or nested M6 screws 5d DIN 1 nested --- 5th DIN 0 nested --- 5f DIN 00 - 00C nested ---

Ces différents formats de fusible 5a-f peuvent être scindés en deux familles en fonction de leur connexion, selon qu'elle doit être vissée ou simplement emboîtée. L'invention propose en conséquence deux modèles d'éléments de support 6, 7, un premier modèle d'éléments de support 6 illustré dans les figures 3 à 6, qui permet la fixation des plages de connexion 50 des fusibles 5a-c par vissage, et un second modèle d'éléments de support 7 illustré dans les figures 7 à 9, qui permet la fixation des plages de connexion 50 des fusibles 5b et 5d-f. Le boîtier 20 quant à lui est conçu sur la base d'un modèle unique compatible avec l'un ou l'autre modèle d'éléments de support 6, 7 choisi.These different fuse formats 5a-f can be split into two families depending on their connection, depending on whether it should be screwed or simply nested. The invention accordingly proposes two models of support elements 6, 7, a first model of support elements 6 illustrated in FIGS. Figures 3 to 6 which allows the connection pads 50 of the fuses 5a-c to be fixed by screwing, and a second model of support elements 7 illustrated in FIGS. Figures 7 to 9 which allows the fixing of the connection pads 50 of the fuses 5b and 5d-f. The housing 20 meanwhile is designed on the basis of a single model compatible with one or the other model of support elements 6, 7 chosen.

Meilleure manière de réaliser l'invention :Best way to realize the invention:

Plus particulièrement en référence à la figure 2, le boîtier 20 comporte sur la face recevant le fusible 5 deux ouvertures de raccordement 21 disposées chacune en regard d'un contact électrique 4 et permettant le passage de la zone de raccordement C de chaque élément de support 6, 7. Ces ouvertures de raccordement 21 sont rectangulaires et suffisamment allongées pour permettre le montage des éléments de support 6, 7 dans différentes positions afin d'adapter leur entraxe aux différents formats de fusible 5a-f. A cet effet, les contacts électriques 4 comportent une barre conductrice qui s'étend parallèlement à l'axe de l'ouverture de raccordement 21 et sur toute sa longueur pour que le raccordement électrique soit possible quelle que soit la position de montage de l'élément de support 6, 7. Ces ouvertures de raccordement 21 ont l'avantage de permettre un réglage continu de leur position. Toutefois, elles peuvent être remplacées par deux jeux de plusieurs fentes de raccordement parallèles (non représentées) définissant chacune une position de montage des éléments de support 6, 7.More particularly with reference to the figure 2 , the housing 20 comprises on the face receiving the fuse 5 two connection openings 21 each arranged facing an electrical contact 4 and allowing the passage of the connection area C of each support member 6, 7. These connection openings 21 are rectangular and sufficiently elongated to allow the assembly of the elements of support 6, 7 in different positions in order to adapt their spacing to the different fuse formats 5a-f. For this purpose, the electrical contacts 4 comprise a conductive bar which extends parallel to the axis of the connection opening 21 and over its entire length so that the electrical connection is possible regardless of the mounting position of the support element 6, 7. These connection openings 21 have the advantage of allowing a continuous adjustment of their position. However, they may be replaced by two sets of several parallel connection slots (not shown) each defining a mounting position of the support elements 6, 7.

Le boîtier 20 comporte au moins deux trous de fixation 22 filetés aptes à recevoir chacun un organe de fixation 23, tel qu'une vis, permettant la fixation dans une position de montage choisie de chaque élément de support 6, 7. Chaque trou de fixation 22 peut être formé par un écrou carré 24 logé dans une rainure 25 du boîtier 20, la position de cet écrou 24 étant réglable pour s'adapter à la position de montage choisie. Chaque élément de support 6, 7 est monté dans une embase 8 en appui plan sur le boîtier 20 et fixée sur ce dernier au moins par l'organe de fixation 23. A cet effet, l'embase 8 comporte des ouvertures 80 aptes à être traversées par au moins la zone de raccordement au contact C des éléments de support 6, 7. Elle comporte également un logement (non visible) apte à recevoir par emboîtement la patte de fixation 60 prévue dans la zone de fixation au boîtier B des éléments de support 6, 7. Cette embase 8 comporte un orifice 81 pour le passage de l'organe de fixation 23, qui fixe simultanément l'élément de support 6, 7, à travers un trou oblong 61 prévu dans ladite patte de fixation 60. Cette embase 8 est réalisée dans une matière électriquement isolante et permet de sécuriser l'assemblage en maintenant fermement l'élément de support 6, 7 par rapport au boîtier 20 et de fermer les ouvertures de raccordement 21.The housing 20 comprises at least two threaded fixing holes 22 each adapted to receive a fixing member 23, such as a screw, for fixing in a chosen mounting position of each support element 6, 7. Each fixing hole 22 may be formed by a square nut 24 housed in a groove 25 of the housing 20, the position of this nut 24 being adjustable to adapt to the chosen mounting position. Each support element 6, 7 is mounted in a base 8 in plane support on the housing 20 and fixed on the latter at least by the fixing member 23. For this purpose, the base 8 has openings 80 capable of being traversed by at least the zone of connection to the contact C of the support elements 6, 7. It also comprises a housing (not visible) adapted to receive by interlocking the fixing lug 60 provided in the zone of attachment to the housing B of the elements of support 6, 7. This base 8 comprises an orifice 81 for the passage of the fastener 23, which simultaneously fixes the support member 6, 7, through an oblong hole 61 provided in said fixing lug 60. base 8 is made of an electrically insulating material and makes it possible to secure the assembly by firmly holding the support element 6, 7 with respect to the housing 20 and to close the connection openings 21.

Dans l'exemple représenté, le boîtier 20 comporte également des moyens d'indexage 26 sous la forme de crans aptes à coopérer avec des crans complémentaires 86 prévus sous l'embase 8 pour définir les différentes positions de montage possibles des éléments de support 6, 7. Un marquage d'identification 27 est prévu sur le boîtier 20 pour être visible à travers une fenêtre 87 prévue dans l'embase 8 dans le but d'identifier le ou les formats de fusible qui correspondent aux positions de montage définies par les moyens d'indexage 26. Le boîtier 20 comporte enfin des bornes de raccordement 28 accessibles sur ses côtés pour le branchement d'appareillages de mesure ou de contrôle sur des prises de tension (non représentées) connectées directement sur les contacts électriques 4. La configuration de la face recevant le fusible 5 du boîtier 20 est symétrique par rapport à son point central et permet le montage à droite ou à gauche des mêmes éléments de support 6, 7 qui sont donc réversibles.In the example shown, the housing 20 also comprises indexing means 26 in the form of notches adapted to cooperate with complementary notches 86 provided under the base 8 to define the different possible mounting positions of the support elements 6, 7. An identification marking 27 is provided on the housing 20 to be visible through a window 87 provided in the base 8 for the purpose of identifying the fuse or formats that correspond to the mounting positions defined by the means 26. The housing 20 finally has connection terminals 28 accessible on its sides for the connection of measurement or control equipment to voltage taps (not shown) connected directly to the electrical contacts 4. The configuration of FIG. the face receiving the fuse 5 of the housing 20 is symmetrical with respect to its central point and allows mounting on the right or left of the same support elements 6, 7 which are therefore reversible.

En référence plus particulièrement aux figures 5A-C, l'élément de support 6 est réalisé dans une barre électriquement conductrice ayant une forme sensiblement en L inversé, la grande branche du L définissant la zone de raccordement au contact C et la petite branche du L définissant la zone de connexion au fusible A. Cette zone de connexion au fusible A comporte une patte de connexion 62 pourvue d'au moins un trou de fixation 63 fileté, sur laquelle est fixée une plage de connexion 50 du fusible 5 par au moins un organe de fixation (non représenté) vissé au travers d'un alésage 51 de préférence oblong dans le trou de fixation 63. Cette patte de connexion 62 comporte un trou lisse 64 disposé en regard de la patte de fixation 60 pour permettre d'accéder à l'organe de fixation 23 par un outil 10 tel qu'un tournevis par exemple. Cette patte de connexion 62 comporte un étrier de montage 9, réalisé dans une matière électriquement conductrice, sensiblement en forme de U, fixé sous la patte de connexion 62 par un retour 90 et deux organes de fixation 91 tels que des vis. Il comporte dans sa base 92 un trou de fixation 93 fileté, disposé en regard du trou de fixation 63 et d'un plus petit diamètre. Par exemple, le trou de fixation 63 correspond à un diamètre M8 adapté aux formats de fusible 5a et 5c et le trou de fixation 93 correspond à un diamètre M6 adapté aux formats de fusible 5b, Cette disposition particulière permet de fixer ces trois différents formats de fusible 5a-c sur le même élément de support 6. Le trou de fixation 93 peut être formé par un écrou 94 carré, maintenu entre trois languettes découpées dans la base 92 et pliées pour former une cage 95. Les branches 96 de l'étrier de montage 9 partent de la base 92 pour encadrer la patte de connexion 62 de l'élément de support 6. Cet étrier de montage 9 permet également, de par sa forme, d'assurer une dissipation des Joules générés par la connexion électrique.With particular reference to Figures 5A-C , the support element 6 is made in an electrically conductive bar having a substantially inverted-L shape, the large branch of the L defining the connection area to the contact C and the small branch of the L defining the connection zone to the fuse A. This fuse connection zone A comprises a connecting lug 62 provided with at least one threaded fixing hole 63 on which is fixed a connection pad 50 of the fuse 5 by at least one fastener (not shown) screwed to the through a bore 51 preferably oblong in the fixing hole 63. This connecting lug 62 has a smooth hole 64 disposed opposite the fixing lug 60 to allow access to the fastener 23 by a tool 10 such as a screwdriver for example. This connecting lug 62 comprises a mounting bracket 9, made of an electrically conductive material, substantially U-shaped, fixed under the connecting lug 62 by a return 90 and two fasteners 91 such as screws. It comprises in its base 92 a fixing hole 93 threaded, disposed opposite the fixing hole 63 and a smaller diameter. For example, the fixing hole 63 corresponds to a diameter M8 adapted to the fuse formats 5a and 5c and the fixing hole 93 corresponds to a diameter M6 adapted to fuse formats 5b, This particular arrangement makes it possible to fix these three different fuse formats 5a-c on the same element of support 6. The fixing hole 93 may be formed by a square nut 94, held between three tabs cut in the base 92 and folded to form a cage 95. The branches 96 of the mounting bracket 9 start from the base 92 to frame the connecting lug 62 of the support element 6. This mounting bracket 9 also allows, by its shape, to ensure a dissipation Joules generated by the electrical connection.

Cet élément de support 6 comporte dans sa zone de raccordement au contact C au moins une pince à ressort 65 apte à s'emboîter sur le contact électrique 4. Cette pince à ressort 65 comporte deux branches verticales sensiblement parallèles séparées par une fente dont la largeur correspond à l'épaisseur du contact électrique 4. Un organe ressort 66 est monté autour des deux branches pour les solliciter l'une vers l'autre et assurer un montage serré donc un raccordement électrique de qualité. Dans l'exemple représenté, cet organe ressort 66 est formé d'un fil métallique pourvu d'un tronçon médian hélicoïdal et de deux extrémités libres en prise avec des crans extérieurs ménagés dans les branches de la pince 65. Bien entendu, d'autres organes ressort 66 peuvent convenir comme par exemple un circlips ou similaire.This support element 6 comprises in its contact connection area C at least one spring clip 65 adapted to fit on the electrical contact 4. This spring clip 65 has two substantially parallel vertical branches separated by a slot whose width corresponds to the thickness of the electrical contact 4. A spring member 66 is mounted around the two branches to urge them towards each other and provide a tight fitting so a quality electrical connection. In the example shown, this spring member 66 is formed of a wire provided with a helical median section and two free ends engaged with external notches formed in the branches of the clamp 65. Of course, other spring members 66 may be suitable such as a circlip or the like.

En référence plus particulièrement aux figures 9A et 9B, l'élément de support 7 est réalisé dans une barre électriquement conductrice ayant une forme sensiblement en I, les zones de connexion au fusible A et de raccordement au contact C étant alignées. La zone de connexion au fusible A comporte une pince à ressort 70 apte à recevoir par emboîtement une plage de connexion 50 du fusible 5. Cette pince à ressort 70 comporte deux branches 71, 72, l'une 71 étant fixe et l'autre 72 mobile et sollicitée vers la branche fixe 71 par un organe ressort 73 permettant d'assurer une bonne connexion électrique et simultanément d'adapter l'intervalle entre les branches 71, 72 à différentes épaisseurs de plages de connexion 50 pour des formats de fusible 5 différents. De même, la zone de raccordement au contact C comporte une pince à ressort 74 apte à s'emboîter sur le contact électrique 4. Cette pince à ressort 74 comporte deux branches 75, 76, l'une 75 étant fixe et l'autre 76 étant mobile et sollicitée vers la branche fixe 75 par un organe ressort 73 permettant d'assurer une bonne connexion électrique. Dans l'exemple représenté, les deux branches mobiles 72, 76 sont formées d'une seule et même lame, légèrement en forme de V, montée pivotante autour d'un axe 77 sensiblement médian, situé dans la zone de fixation au boîtier B et orienté perpendiculairement par rapport à l'élément de support 7. Cette lame plate est sollicitée par un organe ressort 73 unique, se présentant également sous la forme d'une lame en V retenue par l'axe 77. Bien entendu tout autre organe ressort 73 ou toute autre forme de réalisation des branches mobiles 72, 76 peut convenir.With particular reference to Figures 9A and 9B , the support member 7 is formed in an electrically conductive bar having a substantially I-shaped, the connection areas to the fuse A and C contact connection being aligned. The fuse connection zone A comprises a spring clip 70 adapted to receive by interlocking a connection pad 50 of the fuse 5. This spring clip 70 comprises two branches 71, 72, one 71 being fixed and the other 72 mobile and biased towards the fixed branch 71 by a spring member 73 to ensure a good electrical connection and simultaneously to adjust the interval between the branches 71, 72 at different thicknesses of connection pads 50 for different fuse formats 5. Similarly, the contact connection area C comprises a spring clip 74 adapted to fit on the electrical contact 4. This spring clip 74 comprises two branches 75, 76, one 75 being fixed and the other 76 being mobile and biased towards the fixed branch 75 by a spring member 73 to ensure a good electrical connection. In the example shown, the two movable arms 72, 76 are formed of one and the same blade, slightly V-shaped, pivotally mounted about a substantially median axis 77, located in the zone of attachment to the housing B and oriented perpendicular to the support member 7. This flat blade is biased by a single spring member 73, also in the form of a V blade retained by the axis 77. Of course any other member spring 73 or any other embodiment of the movable branches 72, 76 may be suitable.

L'assemblage de ces éléments de support 6, 7 au boîtier 20 est très simple. Ils sont préalablement assemblés à leur embase 8 en introduisant leur zone de raccordement au contact C à travers les ouvertures 80 de l'embase 8 jusqu'à la zone de fixation B où la patte de fixation 60 est emboîtée dans le logement correspondant de l'embase 8. Ce sous-ensemble est ensuite monté sur le boîtier 20 en introduisant la zone de raccordement au contact C à travers les ouvertures de raccordement 21 et en emboîtant la pince à ressort 65, 74 sur le contact électrique 4 correspondant. Il est simultanément positionné en plaçant chaque embase 8 dans la position de montage qui correspond au format de fusible 5 à monter. Pour cela, l'opérateur est aidé par les marquages 27 et les moyens d'indexage 26. Chaque sous-ensemble est bloqué en position sur le boîtier 20 en utilisant l'organe de fixation 23 qui traverse successivement l'orifice 81 de l'embase 8 puis le trou oblong 61 de l'élément de support 6, 7 avant d'être vissé dans le trou de fixation 22 du boîtier 20 à l'aide par exemple d'un tournevis 10. Le fusible 5 peut être mis en place par vissage ou simple emboîtement sur les zones de connexion A des éléments de support 6, 7, les entraxes et la fixation étant adaptés à ses différents formats.The assembly of these support elements 6, 7 to the housing 20 is very simple. They are previously assembled to their base 8 by introducing their connection area to the contact C through the openings 80 of the base 8 to the attachment area B where the fixing lug 60 is fitted into the corresponding housing of the base 8. This subassembly is then mounted on the housing 20 by introducing the connection area to the contact C through the connection openings 21 and fitting the spring clip 65, 74 on the corresponding electrical contact 4. It is simultaneously positioned by placing each base 8 in the mounting position which corresponds to the fuse format 5 to be mounted. For this, the operator is assisted by the markings 27 and the indexing means 26. Each subassembly is locked in position on the housing 20 by using the fastener 23 which passes successively through the orifice 81 of the base 8 and then the oblong hole 61 of the support element 6, 7 before being screwed into the fixing hole 22 of the housing 20 with the help of, for example, a screwdriver 10. The fuse 5 can be put in place by screwing or simple interlocking on the connection areas A support elements 6, 7, the spacings and fixing being adapted to its different formats.

Possibilités d'application industrielle :Possibilities of industrial application:

Les figures 3A-C illustrent un boîtier 20 d'un appareil de coupure électrique 1 selon l'invention équipé de deux éléments de support 6 selon le premier modèle permettant le montage de différents formats de fusible 5a-c, à savoir les formats BS type B1 ou B2, le format BS type A4 et le format UL type J qui doivent être vissés. Les figures 4AB et 4C montrent le dessus du boîtier 20 sans le fusible 5a-c dans chacun des cas.The Figures 3A-C illustrate a housing 20 of an electrical breaking device 1 according to the invention equipped with two support elements 6 according to the first model for mounting different fuse formats 5a-c, namely the BS type B1 or B2 formats, the BS format A4 type and UL type J format which must be screwed. The Figures 4AB and 4C show the top of the housing 20 without the fuse 5a-c in each case.

La figure 3A illustre le montage correspondant au fusible 5a de format BS type B1 ou B2. Dans ce cas, les éléments de support 6 sont éloignés symétriquement au maximum l'un de l'autre, les crans 86 des embases 8 sont emboîtés dans les premiers crans 26 en partant des côtés du boîtier 20 et les deux fenêtres 87 font apparaître le marquage 27 « B1.B2.J » comme illustré à la figure 4AB. Les plages de connexion 50 du fusible 5a sont fixées par une vis de fixation M8 dans le trou de fixation 63 de la patte de connexion 62.The figure 3A illustrates the mounting corresponding to fuse 5a of BS type B1 or B2 format. In this case, the support elements 6 are symmetrically spaced apart from each other, the notches 86 of the bases 8 are nested in the first notches 26 starting from the sides of the housing 20 and the two windows 87 show the marking 27 "B1.B2.J" as shown in Figure 4AB . The connection pads 50 of the fuse 5a are fixed by a fixing screw M8 in the fixing hole 63 of the connection tab 62.

La figure 3B illustre le montage correspondant au fusible 5b de format UL type J qui est identique à celui de la figure 3A, sauf que les plages de connexion 50 du fusible 5b sont fixées par une vis de fixation M6 dans le trou de fixation 93 de l'étrier de montage 9 prévu sous la patte de connexion 62.The figure 3B illustrates the mounting corresponding to the fuse 5b UL format type J which is identical to that of the figure 3A except that the connection pads 50 of the fuse 5b are fixed by a fixing screw M6 in the fixing hole 93 of the mounting bracket 9 provided under the connection tab 62.

La figure 3C illustre le montage correspondant au fusible 5c de format BS type A4. Dans ce cas, les éléments de support 6 sont rapprochés symétriquement l'un de l'autre, les crans 86 des embases 8 sont emboîtés dans les troisièmes crans 26 en partant des côtés du boîtier 20 et les deux fenêtres 87 font apparaître le marquage 27 « A4 » comme illustré à la figure 4C. Les plages de connexion 50 du fusible 5c sont fixées par une vis de fixation M8 dans le trou de fixation 63 de la patte de connexion 62.The figure 3C illustrates the mounting corresponding to fuse 5c BS format type A4. In this case, the support elements 6 are brought symmetrically close to each other, the notches 86 of the bases 8 are nested in the third notches 26 starting from the sides of the housing 20 and the two windows 87 show the marking 27 "A4" as shown in figure 4C . The connection pads 50 of the fuse 5c are fixed by a fixing screw M8 in the fixing hole 63 of the connection tab 62.

Les figures 7A-D illustrent un boîtier 20 d'un appareil de coupure électrique 1 selon l'invention équipé de deux éléments de support 7 selon le premier modèle permettant le montage de différents formats de fusible 5b, 5d-f, à savoir le format UL type J et les formats DIN type 0, 00, 00C ou 1, qui peuvent être emboîtés. Les figures 8AB, 8C et 8D montrent le dessus du boîtier 20 sans le fusible 5b, 5d-f dans chacun des cas.The Figures 7A-D illustrate a housing 20 of an electrical breaking device 1 according to the invention equipped with two support elements 7 according to the first model for mounting different fuse formats 5b, 5d-f, namely the UL type J format and the DIN formats type 0, 00, 00C or 1, which can be nested. The Figures 8AB , 8C and 8D show the top of the housing 20 without the fuse 5b, 5d-f in each case.

La figure 7A illustre le montage correspondant au fusible 5d de format DIN type 1. Dans ce cas, les éléments de support 6 sont éloignés symétriquement au maximum l'un de l'autre, les crans 86 des embases 8 sont emboîtés dans les premiers crans 26 en partant des côtés du boîtier 20 et les deux fenêtres 87 font apparaître le marquage 27 « 0.1.J » du côté droit et « 1.J » du côté gauche comme illustré à la figure 8AB.The Figure 7A illustrates the mounting corresponding to fuse 5d DIN type 1. In this case, the support elements 6 are symmetrically spaced apart from each other, the notches 86 of the bases 8 are fitted into the first notches 26 starting the sides of the housing 20 and the two windows 87 show the marking 27 "0.1.J" on the right side and "1.J" on the left side as illustrated in FIG. Figure 8AB .

La figure 7B illustre le montage correspondant au fusible 5b de format UL type J qui est identique à celui de la figure 7A, les plages de connexion 50 du fusible 5b étant emboîtées dans les pinces à ressort 70, à l'inverse du montage illustré à la figure 3B où elles étaient vissées.The Figure 7B illustrates the mounting corresponding to the fuse 5b UL format type J which is identical to that of the Figure 7A , the connection pads 50 of the fuse 5b being fitted into the spring clamps 70, unlike the assembly illustrated in FIG. figure 3B where they were screwed.

La figure 7C illustre le montage correspondant au fusible 5e de format DIN 0. Dans ce cas, l'élément de support 6 de gauche est décalé d'un cran 26 vers la droite et la fenêtre 87 de gauche fait apparaître le marquage 27 « 0 » comme illustré à la figure 8C.The Figure 7C illustrates the mounting corresponding to fuse 5e DIN 0 format. In this case, the support element 6 on the left is shifted by one notch 26 to the right and the window 87 on the left shows the marking 27 "0" as illustrated to the Figure 8C .

La figure 7D illustre le montage correspondant au fusible 5f de format DIN type 00 ou 00C. Dans ce cas, les éléments de support 6 sont rapprochés symétriquement l'un de l'autre, les crans 86 des embases 8 étant emboîtés dans les derniers et quatrièmes crans 26 en partant des côtés du boîtier 20 et les deux fenêtres 87 font apparaître le marquage 27 « 00 » comme illustré à la figure 8D.The Figure 7D illustrates the fitting corresponding to fuse 5f DIN format type 00 or 00C. In this case, the support elements 6 are brought symmetrically close to each other, the notches 86 of the bases 8 being nested in the last and fourth notches 26 starting from the sides of the housing 20 and the two windows 87 show the marking 27 "00" as shown in figure 8D .

Dans ces différents montages, les plages de connexion 50 des fusibles 5b, 5d-f sont emboîtées en force dans les pinces à ressort 70 qui s'adaptent à l'épaisseur de ces plages grâce à l'organe ressort 73 et au montage pivot des branches mobiles 72, 76.In these different assemblies, the connection pads 50 of the fuses 5b, 5d-f are fitted into force in the spring clips 70 which adapt to the thickness of these ranges by means of the spring member 73 and the pivot mounting of moving limbs 72, 76.

Il ressort clairement de cette description que l'invention permet d'atteindre les buts fixés, à savoir le montage de plusieurs formats de fusible sur un même appareil de coupure électrique 1, dans le but de réduire les coûts de fabrication et simplifier les mécanismes.It is clear from this description that the invention achieves the goals set, namely the mounting of several fuse formats on the same electrical switch device 1, in order to reduce manufacturing costs and simplify the mechanisms.

La présente invention n'est pas limitée aux exemples de réalisation décrits mais s'étend à toute modification et variante évidentes pour un homme du métier tout en restant dans l'étendue de la protection définie dans les revendications annexées.The present invention is not limited to the embodiments described but extends to any modification and variation obvious to a person skilled in the art while remaining within the scope of protection defined in the appended claims.

Claims (17)

  1. An electrical circuit breaker (1) with a fuse comprising at least one housing (20) enclosing at least two electrical contacts (4) connected by a fuse (5) that is disposed outside the said housing (20), this fuse (5) comprising at least two lands (50) electrically coupled to the said electrical contacts (4) by two support elements (6, 7) passing through the said housing (20), each support element (6, 7) comprising at least one zone (A) for connection to the said fuse disposed outside the housing (20), one zone (B) for attachment to the said housing and one zone (C) for linking up to the said electrical contact disposed inside the housing (20), characterised in that at least the said housing (20) and the said electrical contacts (4) are designed to allow the mounting of the said support elements (6, 7) on the housing (20) in different mounting positions so as to be able to adapt their pitch to different fuse formats (5a-f).
  2. A circuit breaker according to Claim 1, characterised in that the housing (20) comprises at least two connection openings (21) each disposed opposite an electrical contact (4), these connection openings (21) being elongate and delimiting two extreme mounting positions for each support element (6, 7).
  3. A circuit breaker according to Claim 1, characterised in that the said housing (20) comprises at least two sets of several parallel connection slots, each set being disposed opposite an electrical contact (4), these connection slots defining different fixed mounting positions for each support element (6, 7).
  4. A circuit breaker according to one of Claims 2 or 3, characterised in that the electrical contacts (4) each comprise at least one conducting bar extending at least over the length of the connection opening (21) or of the set of slots corresponding thereto.
  5. A circuit breaker according to Claim 4, characterised in that the linking-up zone (C) of each support element (6, 7) comprises at least one spring clamp (65, 74) able to be fitted onto the said electrical contact (4).
  6. A circuit breaker according to Claim 5, characterised in that the said spring clamp (65) comprises at least two branches stressed towards each other by at least one spring member (66).
  7. A circuit breaker according to Claim 5, characterised in that the said spring clamp (74) comprises at least one fixed branch (75) and one movable branch (76) stressed towards the fixed branch (75) by at least one spring member (73).
  8. A circuit breaker according to Claim 1, characterised in that the said housing (20) and the attachment zone (B) for each support element (6, 7) comprise complementary attachment means (22-25; 60, 61) designed to allow the attachment of the said support elements (6, 7) to the housing (20) in their different mounting positions.
  9. A circuit breaker according to Claim 8, characterised in that each support element (6, 7) comprises, in its attachment zone (B), a base (8) resting flat on the said housing (20) and fixed to the latter by at least one attachment member (23).
  10. A circuit breaker according to Claim 1, characterised in that the connection zone (A) of the support elements (6, 7) is designed to allow the mounting of different forms of lands (50) corresponding to different fuse formats (5a-f).
  11. A circuit breaker according to Claim 10, characterised in that the connection zone (A) for each support element (7) comprises at least one spring clamp (70) suitable for receiving a land (50) of the said fuse (5) by fitting, the said clamp (70) being adaptable to the lands (50) of different fuse formats (5b, 5d-f).
  12. A circuit breaker according to Claim 11, characterised in that the spring clamp (70) comprises at least one fixed branch (71) and one movable branch (72) stressed towards the fixed branch (71) by at least one a spring member (73).
  13. A circuit breaker according to Claims 7 and 12, characterised in that the movable branches (72, 76) of the said connection zones (A) and linking-up zones (C) of the same support element (7) comprise just one blade, mounted to pivot about a pin (77) substantially median to the said support element (7).
  14. A circuit breaker according to Claim 10, characterised in that the connection zone (A) of the said support elements (6) comprises at least one connection lug (62) suitable for receiving, by surface bearing, a land (50) of the said fuse (5) fixed by at least one attachment member, the said connection lug (62) comprising at least two superimposed attachment holes (63, 93) of different diameters to receive attachment members adapted to different fuse formats (5a-c).
  15. A circuit breaker according to Claim 14, characterised in that the connection zone (A) comprises at least one mounting bracket (9) connected under the said connection lug (62) and provided with a first attachment hole (93), the said connection lug (62) comprising the second attachment hole (63) having a diameter greater than the first.
  16. A circuit breaker according to Claim 1, characterised in that the said housing (20) and the said support elements (6, 7) comprise indexing means (26, 86) for the different mounting positions.
  17. A circuit breaker according to Claim 16, characterised in that the said housing (20) comprises an identification tag (27) for the different fuse formats corresponding to the said indexed mounting positions.
EP06808142A 2005-09-15 2006-09-15 Electrical switching device with fuse Ceased EP1934996B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0509431A FR2890781B1 (en) 2005-09-15 2005-09-15 ELECTRICAL FUSE CUTTING APPARATUS
PCT/FR2006/002119 WO2007031656A1 (en) 2005-09-15 2006-09-15 Electrical interrupt fuse appliance

Publications (2)

Publication Number Publication Date
EP1934996A1 EP1934996A1 (en) 2008-06-25
EP1934996B1 true EP1934996B1 (en) 2009-12-09

Family

ID=36282706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06808142A Ceased EP1934996B1 (en) 2005-09-15 2006-09-15 Electrical switching device with fuse

Country Status (5)

Country Link
EP (1) EP1934996B1 (en)
AT (1) ATE451707T1 (en)
DE (1) DE602006011038D1 (en)
FR (1) FR2890781B1 (en)
WO (1) WO2007031656A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007023466A1 (en) * 2007-05-16 2008-11-20 Siemens Ag Switch-disconnector in strip design with fuses
FR2958792B1 (en) 2010-04-13 2012-08-03 Socomec Sa FUSE HOUSING AND ELECTRIC CUTTING APPARATUS PROVIDED WITH SUCH A HOUSING
FR2976740B1 (en) 2011-06-20 2014-01-03 Socomec Sa ELECTRICAL CONNECTION CLAMP FOR A CONNECTION RANGE OF AN ELECTRICAL EQUIPMENT AND AN ELECTRIC APPARATUS EQUIPPED WITH SUCH A CONNECTION CLAMP
DE102015204974B3 (en) * 2015-03-19 2016-02-04 Siemens Aktiengesellschaft Multi-pole switch, which is formed from several Polgehäusen
CN209496802U (en) * 2018-11-28 2019-10-15 库柏西安熔断器有限公司 Fuse, vehicle circuitry for electric vehicle and electric car
CN112670140B (en) * 2020-12-15 2022-07-01 贵州电网有限责任公司 Fuse tube placing frame
CN112863971B (en) * 2021-01-05 2022-08-12 余姚市超力电力电器有限公司 Fuse and mounting structure thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796978A (en) * 1972-06-05 1974-03-12 Westinghouse Electric Corp Electromagnetic contactor with fuse block
DE4326401C2 (en) * 1993-08-06 2001-02-08 Peterreins Schalttechnik Gmbh Arrangement consisting of a switch part and a fuse part
DE10055035C2 (en) * 2000-11-07 2002-10-02 Peterreins Schalttechnik Gmbh Switch disconnector with at least one fuse holder
US6577495B2 (en) * 2000-12-15 2003-06-10 Square D Company Fuse base assembly

Also Published As

Publication number Publication date
EP1934996A1 (en) 2008-06-25
DE602006011038D1 (en) 2010-01-21
FR2890781B1 (en) 2007-11-30
WO2007031656A1 (en) 2007-03-22
ATE451707T1 (en) 2009-12-15
FR2890781A1 (en) 2007-03-16

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