EP2928025B1 - Dispositif de raccordement, ensemble d'installation et installation électrique - Google Patents

Dispositif de raccordement, ensemble d'installation et installation électrique Download PDF

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Publication number
EP2928025B1
EP2928025B1 EP15000477.8A EP15000477A EP2928025B1 EP 2928025 B1 EP2928025 B1 EP 2928025B1 EP 15000477 A EP15000477 A EP 15000477A EP 2928025 B1 EP2928025 B1 EP 2928025B1
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EP
European Patent Office
Prior art keywords
fuse
branch line
connection apparatus
insulating body
housing
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.)
Active
Application number
EP15000477.8A
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German (de)
English (en)
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EP2928025A1 (fr
Inventor
Tamas Onodi
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WOERTZ ENGINEERING AG
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Woertz Engineering AG
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Publication of EP2928025A1 publication Critical patent/EP2928025A1/fr
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/68Structural association with built-in electrical component with built-in fuse
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50Fixed connections
    • H01R12/59Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/65Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands

Definitions

  • the invention relates to a connection device for connecting a multi-core branch line to a flat cable.
  • the invention further relates to a kit which includes the terminal device and an electrical installation with the kit.
  • a short circuit in the region of the branch line can be caused, for example, by a technical defect of a consumer connected to the branch line, for example a tunnel light, or by a fire in the region of the branch line or of the consumer connected thereto.
  • US 5,971,807 deals with a connection device in which a fuse is inserted into a recess on the housing.
  • the fuse link can be changed by opening a sliding closure on the housing.
  • US 2003/0 207 618 A1 treats a fused connection device for wall cables. The replacement of the fuse via a tab provided on the housing of the connection device.
  • EP 1 648 052 A2 describes a connection device for a flat cable.
  • the fuse link can only be replaced by removing the cover plate of the housing of the connection device.
  • US 2013/0037294 A1 describes a fuse holder with mains-side and consumer-side connection points.
  • connection device (6) for connecting a multi-core branch line (5) to a flat cable (4).
  • the connection device comprises a connection device housing (30) which allows the passage of the flat cable (4). Inside the connector housing (30) penetrating contacts (42, 42 ') for the stripping-free contacting of the flat cable (4) are arranged.
  • the connection device comprises a branch line bushing (10) for the outlet of the branch line (5) from the connection device (6), wherein the branch line bushing (10) is arranged on the connection device housing (30).
  • the branch line bushing (10) comprises a branch line socket housing (11) and a fuse holder (17) arranged therein for at least one fuse link (18) for securing an associated wire (41, 41 ') of the branch line (5).
  • the fuse holder (17) is connected via a connecting line (43, 43 ') electrically connected to the fürdringungstitleen.
  • the fuse holder (17) forms an electrical disconnecting point (25) for the at least one fused wire (41 ') of the branch line (5), whereby the wire (41') of the branch line (5) lying beyond the separating point is activated by the fuse link (18 ) Is electrically isolated from the flat cable (4).
  • the branch line female housing (11) is openable and the at least one fuse link (18) is replaceable by opening the branch line female housing (11) without opening the terminal housing (30).
  • the fuse holder (17) comprises an insulating body (15) having at least one cavity for receiving the at least one fuse link (18), and with fuse contacts (16, 16 ') for contacting the at least one, to be included in the cavity fuse (18) equipped.
  • the insulating body (15) is formed in two parts, with a this side and a the other part (13,14), wherein without opening the terminal device housing (30), only with opening of the branch line socket housing (11), the other part of the insulator (14 ) is detachable from this side part (13).
  • the cavity for receiving the at least one fuse link (18) is then accessible and the at least one fuse link (18) can then be replaced. Due to the removability of the otherworldly part of the insulating body (14), the entire branch line (5) of the connection device (6) is removable.
  • kits for connecting a branch line to a flat cable comprises at least one connection device of the type described above, as well as at least one flat cable with a plurality of parallel to each other in a plane extending cable cores and at least beyond the separation point of the fuse holder to be connected branch line.
  • Another aspect relates to an executed electrical installation with at least one mounted on the flat cable connection device of the type described above.
  • the connecting device makes it possible to connect a flat cable to at least one multi-core branch line.
  • the branch line is i.A. around a (not fire resistant) trained round cable whose wires are twisted in the usual way in the cable longitudinal direction.
  • a "core” is formed by a wire conductor and a surrounding core insulation. If there is an electrical contact between two live conductors (also referred to as “phase conductors"), or if a live conductor comes into contact with the neutral conductor, the existing protective conductor or ground, a short circuit occurs (Note: Strictly Also, the neutral lead a certain voltage, for example, if in a three-phase system, the phases have asymmetric current flow).
  • a short circuit can, as mentioned above, e.g. caused by a malfunction of a consumer connected to the branch line or fire on the consumer or the branch line. This would - if he shorted the passage line - lead to a loss of function of the passage line. In this context, "loss of function” means that even consumers outside the fire area can no longer be supplied with electrical energy through the through-line.
  • Flat cables are cables whose cores are arranged parallel to each other in a single plane.
  • Flat cables have, for example, in case of fire or mechanical damage due to falling parts favorable properties, since with them the individual wires parallel spaced, ie without crossovers, and largely free of tension, such as from the document EP 2375505 A1 is known.
  • connection device for connecting the branch line to the flat cable comprises a connection device housing, which allows the passage of the flat cable. At a desired connection point, the flat cable is guided through the housing of the connection device. Within this housing penetration contacts are arranged, which contact the flat cable without stripping. In stripping-free contacting, the insulating layer, which wraps a wire of the flat cable when making the electrical contact with the wire conductor, not removed. Rather, the insulating sheath of the flat cable and the core insulation of a wire is pierced by means of electrically conductive VietnamesedringungsWallete and made by touching the at least one electrically conductive fürdringungs gleichs to be contacted with the core conductor of the flat cable, the electrical connection of the connection device with the respective core.
  • a contact screw provided with a conductive tip which penetrates the wire insulation with its tip when it is screwed into the flat cable and contacts the core of the flat cable in the center, is used as penetration contacts for contacting the wires.
  • a method is for example in the DE-AS 2206187 described.
  • Another example of a flat cable contacting method is in the document EP 2375505 A1 shown. In this case, a wire of the flat cable is contacted laterally between two conductive contact screws whose cutting threads penetrate the core insulation of the wire and thus make electrical contact with the wire.
  • the flat cable comprises at least one live conductor (one or more phase conductors) and at least one connected to ground potential wire (neutral conductor and / or protective conductor).
  • the flat cable to be contacted has five wire conductors, including three phase conductors, a neutral conductor and a protective conductor.
  • neutral conductors and protective conductors can, for example, also be combined to form a single, grounded conductor, which is also referred to as a PEN conductor.
  • a single-phase transmission line may, for example, only two core conductors, a phase conductor and a neutral conductor having.
  • connection device establishes an electrical connection from the flat cable to the branch line. It comprises a branch line bushing for the exit of the branch line from the connection device. This branch line bushing is arranged on the housing of the connection device.
  • the branch line bushing comprises a securing receptacle for receiving at least one fuse link for securing an associated wire of the branch line.
  • the fuse holder can accommodate one or more fuse links and is electrically connected via a connecting line to the penetration contacts.
  • the branch line socket also has a branch line socket housing in which the fuse holder is arranged.
  • the branch line female housing is openable without having to open the connector housing, allowing replacement of a fuse link without opening the connector housing. To replace the fuse insert, it is sufficient to open the branch line socket housing.
  • the branch line female connector housing has a plurality of interconnectable, eg, screwable parts, such as a housing body and a terminator cap thereon.
  • the fuse link is accessible only by opening the housing of the connection device.
  • the fuse holder electrically forms a separation point for the at least one fused core of the branch line, since at this point or in the region of the fuse link to be inserted in it, the current flow to the relevant wire is interrupted when the fuse link responds. Since the fuse link is spatially extended (with an "input contact” and an “output contact”), the "disconnect” is not a punctiform point in the strict sense, but a "disconnect” - as a "disconnect”, e.g. the center will be considered the input and output contact of the fuse link.
  • the electrical connection between the penetrating contacts and the associated branch of the branch line is broken.
  • the connection line leading from the fuse holder to the penetration contacts remains in electrical contact with the corresponding wire of the flat cable, thus possibly remaining under voltage.
  • the branch line together with the consumers connected thereto are then electrically separated from the contacted flat cable.
  • the branch line bushing is at least partially outside the housing of the connection device.
  • the separation point is outside the case of the Connection device. In some of these embodiments, not only the separation point, but also the fuse holder is outside the housing of the connection device.
  • the outer branch line bushing opens, for example, in a bore of the housing of the connection device.
  • the branch line bushing has a thread (e.g., an external thread) at its end adjacent the point of separation to thread it into the mating threaded (e.g., female) bore of the housing of the terminal device.
  • the fuse holder has an insulating body, which has at least one cavity for receiving the at least one fuse link.
  • the insulating body is equipped with fuse contacts for contacting the at least one, to be included in the cavity fuse link.
  • the insulating body is made for example of insulating plastic; It may also be wholly or partly made of fire-resistant insulating material, e.g. Be made ceramic.
  • the fuse contacts are electrically conductive elements in the fuse holder, which establish an electrical connection to the fuse link.
  • the fuse contacts are kept isolated by the insulating body. For example, they contact both an "input contact" located on the side of the separation point and an "output contact" beyond the separation point of a fuse insert when it is inserted into the cavity of the insulating body.
  • the insulating body is equipped with connecting elements, which are electrically connected on the one hand each with a fuse contact.
  • the connection elements on this side of the separation point for example, via the above-mentioned connection line (which may be formed, for example, of several wires) electrically connected to the fürdringungstitleen.
  • the connecting elements are connected, for example, via terminals with the wire conductors of the wires of the branch line. The connection elements thus serve beyond the separation point the connection of the branch line and this side of the separation point the connection of the connecting line.
  • connection elements and fuse contacts are made of one piece in some embodiments.
  • Such connection elements are, for example, metallic safety sockets or a screw holder for a screw fuse, the side of which has a screw terminal for receiving a wire conductor.
  • the insulating body of the fuse holder is formed in two parts, with a this side and an otherworldly part.
  • one of the two insulating bodies lies for the most part in a region beyond the separation point, while the other part of the insulating body is for the most part located in an area on this side of the separation point.
  • the other-side part of the insulator is detachable without opening the terminal housing, only with opening of the branch line female housing, from this side part.
  • the two parts of the insulating body hereinafter also referred to as "Teilisolier emotions" have, for example, in each case a bore to form the at least one cavity for receiving a fuse link, wherein a bore of an insulating body opposite to a bore of the other Partisolier emotionss.
  • the cavity is accessible by removing the other-side sectionisolier emotionss from this side Generalisoliereffort for receiving the at least one fuse link, whereby the at least one fuse link can be replaced.
  • a fuse insert inserted in the fuse holder protrudes from such a cavity and can be pulled out of it for replacement.
  • the entire branch line can be removed from the connecting device.
  • the branch line is tensile strength connected to the fuse holder, or the connection elements of the fuse holder and also connected to the fuse holder belonging to the insulating body.
  • the detachable, otherworldly, partial insulating body and also the branching conduit connected thereto are connected to a terminating cap of the branched conduit female housing, which is bolted to the branching conduit female housing, for example, via a sleeve.
  • the fuse holder is for receiving one or more fuse links in the form of Soffitten Anlagenen, i. essentially circular-cylindrical fuses with contact surfaces on the two cylinder end faces.
  • Soffitten sauen each have a longitudinal axis, wherein the two parts of the insulating body along an insertion direction are plugged together.
  • the fuse holder thus has in these embodiments, two complementary trained insulating body with correspondingly cylindrical cavities, each with a fuse contact for the two cylinder end faces.
  • the fuse links are arranged with their longitudinal direction in the direction of insertion and thus act as plug-in pins that bridge the electrical separation point.
  • the insulating body encloses, for example, the fuse links at least in the area connected to the Soffitten chandelieren fuse contacts.
  • multiple wires of the branch line are hedged.
  • live conductors such as the three phase conductors in a three-phase branch line, or the (single) phase conductors in a single-phase branch line.
  • the neutral conductor and / or the possibly existing protective conductor is also protected.
  • the fuse holders e.g. each provided a fuse. The fuse holder is designed accordingly to accommodate a plurality of fuse links.
  • the branch line also includes at least one unsecured wire in addition to at least one fused wire.
  • the connected to ground potential protective conductor and / or neutral conductor namely requires no protection, because even with the separation of the live wires already a penetration of a short circuit in the branch line can be avoided on the passage line. Accordingly, in some embodiments for the protective conductor and / or neutral conductor (or for a combination of neutral conductor and protective conductor), no protection, i. no fuse link provided.
  • At least one unsecured wire of the branch line is connected in some embodiments via a detachable electrical plug connection with the fürdringungsLevelen.
  • the fuse link which can be removed and replaced from the fuse holder, at the same time forms a detachable plug connection for the wire in question.
  • the insulating body equipped with the plug contacts for the at least one unsecured wire.
  • the branch line socket forms a total, ie for all wires at the same time a connector for the branch line, which by this connector, as mentioned above, the entire Branch line from the connection device is removable.
  • the connector housing is openable and the connector is protected against ingress of dust and / or water spray.
  • the connection device housing is equipped with a seal in the region of its opening.
  • the port of the connector housing is provided with a rubber seal which conforms to the cross-sectional shape of the port of the connector housing and conforms snugly to the opening.
  • the branch line bushing is protected in some embodiments against ingress of dust and / or water spray, for example, by a stuffing seal on a cap at which exits the branch line, namely between an outlet hole in the cap and the branch line.
  • the fuse link is replaceable solely by opening the branch line female housing, the sealed state of the connector housing may remain untouched when replacing a fuse link.
  • opening of the terminal housing e.g. by opening a cover of the connector housing, namely to damage a seal this cover.
  • the Isoliergroper is at least in the area on this side of the separation point fireproof.
  • the fire-resistant (partial) insulating body is non-flammable and dimensionally stable when exposed to fire, ie it retains its property to keep the electrically conductive parts of the fuse holder on this side of the separation point, which are in electrical contact with the wires of the branch line, insulated also in case of fire, eg for at least 15 min at 750 ° C at.
  • the fire-resistant (partial) insulating body is made of an electrically insulating, non-combustible material with melting point, for example above 750 ° C, such as ceramic. "Ceramics" in this context generally means inorganic, non-metallic and polycrystalline materials that undergo sintering during firing.
  • both parts of the insulating body are made of fire-resistant material accordingly. In such a configuration, therefore, both the otherworldly as well as the this part Molisolier emotions are fire resistant.
  • the fuse link but in the event of fire electrically separates the otherworldly part of the branch line from the branch line, a short circuit beyond the separation point is tolerable. A fire-resistant training of the otherworldly Operaisolier stresses is therefore not required.
  • the part of the insulating body lying on the side of the separating point is made of fire-resistant material, while the part of the insulating body lying beyond the separating point is made of non-fire-resistant material.
  • the electrically conductive parts of the fuse holder to be insulated from the insulating body are, inter alia, the abovementioned connecting elements or fuse contacts. Due to the fire-resistant design of the insulating or sectionisolier stressess these electrically conductive parts used in it both under normal conditions and in case of fire when the non-refractory plastic insulation etc. are burned, kept isolated from each other.
  • the electrically conductive parts of the fuse holder which are held insulated by an insulating body against each other, including the electrical connectors for one or more unsecured wires.
  • At least one wire of the connecting line which connects the fuse holder or the connecting element located on this side of the separation point with the fürdringungstitleen, equipped this side of the separation point with a ceramizing in the event of fire core insulation.
  • the wire conductor is covered with a layer that forms an electrically insulating crust in case of fire.
  • fire ceramizing insulating materials are known in the art, such as from P. Eyerer et al., Polymer Engineering Technologies and Practice, Springer-Verlag, 2008, p.
  • the additives may be, for example, silicate material, metal or semimetal oxides (such as SiO 2 , Al 2 O 3 ), or other suitable ceramizing materials such as zinc borate, or mixtures thereof.
  • silicate material such as SiO 2 , Al 2 O 3
  • suitable ceramizing materials such as zinc borate, or mixtures thereof.
  • the branching device is also fire-resistant in the area of the penetration contacts.
  • the electrically conductive fürdringungs Scotland be kept isolated even in case of fire against each other.
  • the metallic penetration contacts are mounted, for example, on a block of electrically insulating and fire-resistant material (eg ceramic) and are thus kept at a distance even in case of fire. As a result, there is no short circuit between the penetration contacts here in case of fire.
  • Such a training is for example from the document EP 2375505 A1 known.
  • refractory connection device also to be contacted conductors of two penetrating contacts (eg in the form of contact screws) are squeezed from both sides, so that they are held in place by the fürdringungsitchen in place in the event of fire, see publication EP 2375505 A1 ,
  • phase conductors and optionally the neutral conductor and / or the protective conductor comprise a core insulation which cures on fire.
  • the core insulation is then wholly or partly made of a (usually thermoplastic) plastic material, which added with additives that form an electrically insulating ceramic crust when burning.
  • the fuse link is an overcurrent tripable fuse.
  • overcurrent protection disconnects the branch line when e.g. Fire-related to a short circuit in the branch line comes.
  • the Ranvörraum with a fuse insert used in the fuse holder of this fuse is a thermally triggered fuse.
  • fuse links are in EP 2 568 542 A1 described.
  • the thermally actuable fuse link separates the electrical connection between this and the other side section of the branch line if the ambient temperature at the location of the fuse link exceeds a typical fire value.
  • a "typical fire temperature” is a temperature that is normally only reached in case of fire.
  • Such a thermally triggered fuse disconnects the branch line already at an early stage before the fire in the branch line causes a short circuit.
  • the branch line is protected against overcurrent and overtemperature. So there are, for example, two fuse links per voltage-carrying wire connected in series, namely an overcurrent protection and thermal fuse. Alternatively, the fuse link can be a combined overcurrent fuse and thermal fuse.
  • the branch line is thus already separated at an early stage before the fire in the branch line causes a short circuit; For safety reasons, however, the fuse additionally addresses all short circuits, even those that are not fire-related.
  • kits for an electrical installation as well as a corresponding executed electrical installation for preventing a loss of function of a given through one or more flat cable through-line by short circuit in a branch line.
  • the kit and the electrical installation thereby comprise at least one connection device of the type described above and at least one flat cable with a plurality of parallel to each other in a plane spaced apart extending cable cores and at least one branch line to be connected beyond the separation point of the fuse holder.
  • the kit and the electrical installation include a plurality of terminal devices and branch lines per one through-line formed by a flat cable, eg, several hundreds of terminal devices and branch lines.
  • the kit comprises a through-line formed from at least one flat cable, the cores of the flat cable spaced parallel in a plane being in some embodiments provided with a ceramic core insulation, as already described in connection with the connection device.
  • the passageway is an electrically continuous conduit, the length of which, in some embodiments, is substantially equal to the total length of the electrical installation (possibly to the lengths of branched conduits arranged in end portions).
  • the wires of the through-line extend in one piece substantially over the entire length of the through-line; the through-line comprises in this case at least one continuous (one-piece) flat cable of the length of the passage line.
  • the electrical installation comprises at least one through-line formed by a flat cable, at least one connection device mounted on the flat cable and at least one branch line connected beyond the separation point of the fuse holder.
  • At least one consumer e.g. a fan or a lighting element in a tunnel
  • the connection of a consumer takes place via at least one connected by a connecting device according to the invention to the flat cable branch line.
  • 10, 20, 50 or more consumers are connected at regular intervals by a branching device and a branch line to the transmission line.
  • Such consumers are for example tunnel lighting, fans for air supply, emergency telephones or illuminated signs.
  • Branch lines are e.g. in a length of 0.5m to 10m, wherein its length is at most one tenth of the total length of the passage line. In such embodiments, it is ensured that in case of fire at the connection device in case of fire sufficiently high temperatures prevail for the thermal release of the fuse link.
  • the connecting device 6 contacts cores of a flat cable 40, 40 'and establishes an electrical connection between the cores of the flat cable 40, 40' and the cores of the branch line 41, 41 ', which are part of the branch line 5.
  • the cores of the flat cable 40, 40 ' here shown by the example of a single phase conductor 40' and a neutral conductor 40, contacted by stripping contacts 42, 42 'stripping.
  • the penetration contacts 42, 42 ' are arranged in the connection device housing 30.
  • the flat cable 4 is guided by the connector housing 30.
  • a penetrating contact 42 ' which is associated with a phase conductor 40', is connected via a connecting wire 43 'of the connecting line to a fuse connection 16 on this side, in which case the fuse contact 16 and the associated connection element 19 are shown together.
  • the configuration of this and other connection elements 19, 19 'or securing contacts 16, 16' and their connection to one another are shown in FIG Fig. 2 shown in more detail.
  • a penetrating contact 42 'contacting a phase conductor 40' is connected to a fuse holder 17.
  • a penetrating contact 42 contacting a neutral conductor 40 is connected to a neutral contact bridge 21 via a connecting wire 43.
  • the fuse holder 17 forms in the middle of a fuse link 18 inserted into it an electrical separation point 25.
  • a plug contact 26 forms a mechanical and electrical separation point 25 in the neutral contact pad 21.
  • Both the fuse holder 17 and the neutral conductor contact bridge 21 are in the region of a dividing surface 24th the two parts of an insulating body 15 of the fuse holder 17, the so-called.
  • phase-conducting wires of the branch line 41 ' are each connected to one of the fuse contacts 16' beyond the separation point 25, wherein the fuse contact 16 'and the associated connection element 19' are here shown together.
  • a neutral conducting wire of the branch line 41 is connected to the neutral conductor contact bridge 21.
  • the branch line socket 10 has a branch line socket housing 11.
  • the branch line female housing 11 is bolted via an opening to an opening of the connector housing 30 via screw threads 28 having a seal. Ingress of spray water and / or dust into the interior of the connecting device 6 is prevented inter alia by this sealed gland.
  • the branch line female housing 11 can be opened by removing an end cap 12, wherein the end cap 12 by a screw thread 27 with the branch line female housing 11 is tightly screwed.
  • the connecting device 6 is designed to be protected against the ingress of dust and / or spray water.
  • a removable cover of the connecting device 6 is provided with a seal 29.
  • a branch line bush according to Fig. 1 is in Fig. 2 especially in the field of fuse link 17 shown in more detail.
  • the branch line female 10 is enclosed by the branch line female housing 11 and the end cap 12, which is screwed to the branch line female housing 11. Both this female housing 11 and the end flap 12 are made of waterproof and electrically insulating plastic, for example.
  • the threaded connection between the branch line female housing 11 and the end cap 12 allows for easy opening of the branch line female 10, as already described in connection with FIG FIG. 1 explained.
  • phase-leading connection wires 43 'of the connecting line are connected by screw terminals on this side connection elements 19 of the fuse holder 17.
  • the this-side connection elements 19 are connected to this side fuse contacts 16.
  • These fuse contacts 16 may be formed, for example, as a fuse jacks.
  • the wire conductors of the phase-leading connecting wires 43 'of the Connecting line are respectively connected to the corresponding one of the three phase conductor wires of the flat cable. In some embodiments, they may be coated with a ceramic insulating layer in case of fire.
  • a wire conductor connected to the neutral conductor of the flat cable 4 of a connecting wire 43 is connected to a neutral conductor contact bridge 21.
  • a conductor connected to the protective conductor of the feedthrough line of a connecting wire is connected to a protective conductor contact bridge 23.
  • the protective conductor contact bridge 23 is essentially constructed identically to the neutral conductor contact bridge.
  • the protective conductor contact bridge 23 is in by Fig. 2 given sectional view not shown.
  • All electrically conductive parts, e.g. the connecting elements 19, 19 ', the fuse jacks 16, 16' or the parts of the neutral conductor bridge 21 are held in (partial) insulating bodies 13, 14 spaced from each other for short-circuit prevention.
  • the partial insulating body 13 made of fire-resistant material, e.g. Be made of ceramic, so that all the electrically conductive parts in this side part of the branch line bushing 10 of the fire-resistant this side Crystalisolier stresses 13 for short-circuit avoidance are kept apart even in case of fire, such.
  • the phase-leading wires of the branch line 5 are connected to otherworldly connection elements 19 'of the fuse holder 17 analogous to this side end of the branch line, which in turn are electrically connected to associated otherworldly fused contacts 16'.
  • the structure of the fuse jacks or the connection elements is analogous to this side part.
  • the neutral conductor contact bridge 21 connects a neutral conducting wire of the branch line 5, or the wire conductor 20 'with a connecting wire 43 (in Fig. 1 shown) and has for mechanical and electrical separation of this connection to a neutral contact plug 26.
  • protective conductor contact bridge 23 is constructed as mentioned above, analogous to the neutral conductor contact bridge and thus also has a plug contact.
  • the neutral conductor contact bridge 21 and the protective conductor contact bridge 23 (not shown here) have no fuse link 18, ie the corresponding protective conductor or neutral conductor of the branch line 5 are not hedged.
  • the fuse link 18 (described in more detail below) separates the connection between the branch line 5 and the flat cable 4 in the event of a short circuit or fire. Therefore, the far-side partial insulating body 14, which covers all electrically conductive parts beyond the separating point 25, such as e.g. the otherworldly securing sockets 16 ', the otherworldly connection elements 19' of the fuse holder 17 or the otherworldly part of the neutral conductor contact bridge 21, insulated from each other, even in the embodiments with functional integrity in case of fire not be fire resistant. It can consist of combustible plastic, which burns in the event of fire. A reaction of a short circuit beyond the separation point 25 on the flat cable 4 is in fact avoided by a response of the fuse 18.
  • the fuse holder 17 electrically forms a separation point 25 between the to the penetrating contacts 42, 42 'connected connecting line and the branch line 5.
  • the separation point 25 is doing as the center between a this-side fuse contact 16 and a jen wornem fuse contact 16', the "input” and “output contacts "of the fuse holder are accepted.
  • the this-side fuse contacts 16 of the fuse holder 17 are designed as fuse jacks. These fuse jacks are inserted into cavities of Operaisolier emotionss 13.
  • the otherworldly fuse contacts 16 'of the fuse holder 17 are also formed as a fuse jacks. These safety sockets are inserted into cavities of the possibly non-fire-resistant sectionisolier emotionss 14.
  • the cavities of the two Sectionisolier analyses are complementary to each other and serve to accommodate each of a cylindrical fuse link 18, which may be designed as Soffittentechnisch and is inserted into the fuse jacks.
  • the fuse links 18 have a longitudinal axis, the in FIG. 2 by a dashed line within the sectional view of the fuse link 18 along in Fig. 1 shown insertion direction S of the two partial insulation 13, 14 is outlined.
  • the this-side and other-side fuse contacts 16, 16 '(fuse sockets) and the connected thereto and the other side terminal elements 19, 19' of the fuse holder 17 are held spaced from each other by the insulating body 15.
  • the end cap 12 may be mechanically connected to both the other part Isolierisol stresses 14 and the branch line 5, whereby the branch line 5 itself is removable from the connecting device when opening the branch line female housing.
  • a fuse link 18 connected to an associated connecting element 19, 19 ' is clamped by an electrically conductive tensioning spring 22 between a fuse contact 16' designed as a safety-side fuse socket and a fuse contact 16 embodied as this fuse socket.
  • the example designed as a cylindrical Soffitten Anlagen fuse 18 is, for example, by overcurrent or thermally triggered.
  • the fuse link 18 may, for example, as a thermally triggered bimetallic fuse link according to the in the document EP 2568542 A1 be executed described type.
  • FIG. 12 illustrates a sectional view of the branch line socket 10 along the in FIG Fig. 2
  • this side terminal elements 19 of the fuse holder 17, which are connected to phase-leading wires of the branch line 5 are held by the insulating body 15 spaced from each other and are enclosed by the branch line female housing 11.
  • the neutral conductor contact bridge 21 and the protective conductor contact bridge 23 are kept at a distance from each other and from the connecting elements 19 by the insulating body 15. Said positioning of the securing receptacles and contact bridges is only an example; the ground-side connection elements 19 of the fuse holder 17 and the protective conductor contact bridge 23 or the neutral conductor contact bridge 21 can also be arranged differently within the branch line bushing 10.
  • the electrical installation 2 is installed to illuminate the tunnel 1.
  • the installation includes 2 lights 3, which are attached to a ceiling of the tunnel 1.
  • each lamp 3 is connected via a separate branch line 5, in each case via a separate connection device 6, with which the through-line is electrically contacted stripping free. Therefore, in this embodiment, the number of lamps 3 also corresponds to the number of branch lines 5 and the terminal device 6. Alternatively, e.g. two lights each connected via its own (ie two separate) branch lines together to a connection device 6.
  • the electrical installation 2 was performed with a kit that includes, for example, the through-line 4, the connection devices 6, the branch lines 5 and the lights 3 together with suitable mounting material.
  • the kit comprises only the through-line 4, the connection devices 6 and the branch lines 5.
  • the transmission line 4 is e.g. powered by a single current source 7, which is e.g. at the end of the passage line 4 or between two connection devices 6 is connected.
  • the passage line 4 is formed by a flat cable with cores running parallel to each other in a plane.
  • a flat cable has the property that even with melting or burning of the insulation, the wires could not cross over and thus be short-circuited.
  • the live wires of the flat cable may be equipped with a fire resistant (e.g., ceramically fired) core insulation.
  • a fire is shown.
  • the fire area 8 usually extends only over a certain length of the tunnel.1.
  • a fire area 8 delimited along the tunnel 1 is shown in which only one of the lights 3 (of harmful fire and heat wine effect) is affected.
  • the fire area 8 is a region of the tunnel 1 in which, for example, temperatures of at least 150 ° C. prevail.
  • connection device 6 is equipped with one or more overcurrent and / or thermally triggered fuse links 18.
  • the part of the connection device 6 lying on this side of this protection can be made fire-resistant.
  • the fuse links 18 are, for example, for automatically disconnecting the electrical connection between the branch line 5 and the through-line 4 when a maximum current and / or when the ambient temperature of the connecting device 6 is increased to a typical fire value (a so-called separation temperature of, for example, 150 ° C.).
  • separation temperature of, for example, 150 ° C.
  • the separation takes place before there is a fire-related short circuit in the luminaire 3 and / or the branch line 5, for example, from about 250 ° C when the plastic of the cable insulation melts.
  • the said overcurrent protection leads to the separation, in case it should already come to a short circuit when the lamp 3 and the branch line 5 are still under power.
  • the branch line 5 can be chosen as short as possible, for example, less than 10 m, since the connection device 6 and thus the thermally triggered fuse links 18 should respond to local fire on the branch line 5 and the lamp 3.
  • FIG. 5 Finally, a schematic representation of the claimed connection device 6 in the already by Figures 1-3 sketched embodiment in an external view.
  • the flat cable 4 is guided through the housing of the connecting device 30, to which in turn the branch line bushing 10 is connected.
  • the branch line 5 finally exits the branch line socket 10.

Landscapes

  • Fuses (AREA)

Claims (13)

  1. Dispositif de raccordement (6) pour la connexion à un câble plat (4) d'une ligne de dérivation (5) à plusieurs fils, comprenant :
    un boîtier (30) du dispositif de raccordement, lequel permet le passage du câble plat (4) ;
    des contacts de traversée (42, 42') pour la mise en contact du câble plat (4) par dénudation, lesdits contacts de traversée (42, 42') étant disposés dans le boîtier (30) du dispositif de raccordement ;
    une prise de dérivation (10) pour la sortie de la ligne de dérivation (5) hors du dispositif de raccordement (6), ladite prise de dérivation (10) étant disposée contre le boîtier (30) du dispositif de raccordement ;
    où la prise de dérivation (10) comprend un boîtier (11) de prise de dérivation et un logement à fusibles (17) monté dans celui-ci pour au moins une cartouche fusible (18) destinée à protéger un conducteur (41, 41') correspondant de la ligne de dérivation (5),
    où le logement à fusibles (17) est électriquement relié aux contacts de traversée par une ligne de connexion (43, 43') ;
    où le logement à fusibles (17) forme un point de séparation (25) électrique pour ledit au moins un conducteur (41') dénudé de la ligne de dérivation (5), le conducteur (41') de la ligne de dérivation (5) situé au-delà du point de séparation étant électriquement séparable du câble plat (4) par déclenchement de la cartouche fusible (18) ;
    où le boîtier (11) de prise de dérivation peut être ouvert et ladite au moins une cartouche fusible (18) peut être remplacée par ouverture du boîtier (11) de prise de dérivation, sans ouverture du boîtier (30) du dispositif de raccordement,
    où le logement à fusibles (17) comprend un corps isolant (15) qui présente au moins une cavité pour la réception de ladite au moins une cartouche fusible (18), et qui est pourvu de contacts de fusible (16, 16') pour la mise en contact de ladite au moins une cartouche fusible (18) à recevoir dans la cavité, caractérisé en ce que
    le corps isolant (15) est constitué de deux pièces, avec une pièce en deçà et une pièce au-delà (13, 14), et où sans ouverture du boîtier (30) du dispositif de raccordement, en ouvrant seulement le boîtier (11) de prise de dérivation, la pièce (14) du corps isolant au-delà peut être retirée de la pièce en deçà (13), la cavité pour la réception de ladite au moins une cartouche fusible (18) étant alors accessible et ladite au moins une cartouche fusible (18) pouvant ainsi être changée,
    où la possibilité de retrait de la pièce (14) du corps isolant au-delà permet un retrait de toute la ligne de dérivation (5) hors du dispositif de raccordement (6).
  2. Dispositif de raccordement selon la revendication 1, où la prise de dérivation (10) est disposée au moins en partie à l'extérieur du boîtier (11) de dispositif de dérivation, le logement à fusibles (17) disposé dans la prise de dérivation (10) et/ou le point de séparation (25) étant situés à l'extérieur du boîtier (11) de dispositif de dérivation.
  3. Dispositif de raccordement selon la revendication 1 ou la revendication 2, où le corps isolant (15) est pourvu d'éléments de connexion (19, 19') électriquement reliés à un contact de fusible (16, 16') chacun, et servant au raccordement de la ligne de dérivation (5) ou de la ligne de connexion (43, 43') au-delà ou en deçà du point de séparation (25).
  4. Dispositif de raccordement selon l'une des revendications 1 à 3, où
    le logement à fusibles (17) est prévu pour la réception d'une ou de plusieurs cartouches de fusible (18) sous la forme de fusibles soffite ayant chacun un axe longitudinal,
    où les deux pièces du corps isolant (13, 14) peuvent être assemblées le long d'une direction d'enclenchement (S),
    où les cartouches de fusible (18) sont disposées dans la direction d'enclenchement (S) par leur direction longitudinale et fonctionnent ainsi comme goupilles de connexion par enclenchement pontant le point de séparation électrique (25).
  5. Dispositif de raccordement selon l'une des revendications 1 à 4, où
    plusieurs conducteurs (41') de la ligne de dérivation (5) sont protégés, et où
    le logement à fusibles (17) est prévu en conséquence pour la réception de plusieurs cartouches de fusible (18).
  6. Dispositif de raccordement selon l'une des revendications 1 à 5, où la ligne de dérivation (5) comprend au moins un conducteur non protégé (41) en plus dudit au moins un conducteur protégé (41'),
    ledit au moins un conducteur non protégé (41) présente une connexion par enclenchement amovible réalisée par des contacts à fiche (26),
    le corps isolant (15) étant pourvu des contacts à fiche.
  7. Dispositif de raccordement selon l'une des revendications 2 à 6, où le boîtier (30) du dispositif de raccordement peut être ouvert,
    le dispositif de raccordement (6) est protégé contre la pénétration de poussière et/ou d'eau pulvérisée, et le boîtier (30) du dispositif de raccordement est à cet effet pourvu d'un joint (29) au niveau de son ouverture,
    où, du fait de la possibilité de remplacement d'une cartouche fusible (18) par la seule ouverture du boîtier (11) de prise de dérivation, l'état d'étanchéité du boîtier (30) du dispositif de raccordement peut être préservé pendant le changement d'une cartouche fusible (18).
  8. Dispositif de raccordement selon l'une des revendications 1 à 7, où le corps isolant (15) est prévu résistant au feu au moins en deçà du point de séparation (25).
  9. Dispositif de raccordement selon la revendication 8 avec un corps isolant en deux pièces, où
    - les deux pièces (13, 14) du corps isolant (15) sont fabriquées dans un matériau résistant au feu ; ou
    - la pièce (13) du corps isolant (15) en deçà est fabriquée dans un matériau résistant au feu, alors que la pièce (14) du corps isolant (15) au-delà est fabriquée dans un matériau non résistant au feu.
  10. Dispositif de raccordement selon la revendication 9, où les pièces électriquement conductrices du logement à fusibles (17), en l'occurrence entre autres les contacts de fusible (16, 16') et/ou les éléments de connexion (19, 19') sont des pièces métalliques mises en place dans le matériau résistant au feu du corps isolant (15), maintenues isolées entre elles par le corps isolant (15) pour éviter des courts-circuits, également en cas d'incendie.
  11. Dispositif de raccordement selon l'une des revendications 1 à 10, où au moins une cartouche fusible (18) est mise en place dans le logement à fusibles (17), laquelle est déclenchable par surintensité de courant et/ou par court-circuit sur la ligne de dérivation (5) et/ou est thermiquement déclenchable par des températures ambiantes caractéristiques pour un incendie.
  12. Ensemble d'installation, avec
    - au moins un dispositif de raccordement (6) selon l'une des revendications 1 à 14 ;
    - au moins un câble plat (4) ;
    - au moins une ligne de dérivation (5) à raccorder au-delà du point de séparation (25) du logement à fusibles (17).
  13. Installation électrique, comprenant :
    - une ligne de traversée constituée d'au moins un câble plat (4) ;
    - au moins un dispositif de raccordement (6) selon l'une des revendications 1 à 14 monté sur le câble plat (4) ;
    - au moins une ligne de dérivation (5) raccordée au-delà du point de séparation (25) du logement à fusibles (17).
EP15000477.8A 2014-04-02 2015-02-18 Dispositif de raccordement, ensemble d'installation et installation électrique Active EP2928025B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014004784.9A DE102014004784A1 (de) 2014-04-02 2014-04-02 Anschlussvorrichtung, installationssatz und elektrische installation

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EP2928025A1 EP2928025A1 (fr) 2015-10-07
EP2928025B1 true EP2928025B1 (fr) 2018-01-03

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DE (1) DE102014004784A1 (fr)

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EP3319179A1 (fr) 2016-11-03 2018-05-09 HPH Hardegger AG Procédé de raccordement électrique d'appareils électriques dans une cuisine
EP3454440A1 (fr) * 2017-09-11 2019-03-13 Woertz Engineering AG Dispositif de connexion et installation électrique de tunnel
DE102018103348A1 (de) 2018-02-14 2019-08-14 Günther Spelsberg GmbH & Co. KG Elektrische Verbindungsvorrichtung mit Sicherungselement
DE102018119859B3 (de) * 2018-08-15 2020-02-13 Günther Spelsberg GmbH & Co. KG Elektrische Verbindungsvorrichtung mit Temperatursicherungseinrichtung und Verfahren zum Betreiben einer solchen Vorrichtung
DE102018126560B4 (de) 2018-10-24 2021-05-12 Günther Spelsberg GmbH & Co. KG Elektrische Verbindungsvorrichtung mit Sicherungselement und zugehöriges Verfahren

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EP2928025A1 (fr) 2015-10-07

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