EP0009769A1 - Appareil pour connecter un conducteur de dérivation - Google Patents

Appareil pour connecter un conducteur de dérivation Download PDF

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Publication number
EP0009769A1
EP0009769A1 EP79103664A EP79103664A EP0009769A1 EP 0009769 A1 EP0009769 A1 EP 0009769A1 EP 79103664 A EP79103664 A EP 79103664A EP 79103664 A EP79103664 A EP 79103664A EP 0009769 A1 EP0009769 A1 EP 0009769A1
Authority
EP
European Patent Office
Prior art keywords
housing
contact
contact pin
housing part
insulated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP79103664A
Other languages
German (de)
English (en)
Other versions
EP0009769B1 (fr
Inventor
Harald Brüning
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.)
Karl Pfisterer Elektrorechnische Spezialartikel GmbH and Co KG
Original Assignee
Karl Pfisterer Elektrorechnische Spezialartikel GmbH and Co KG
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 Karl Pfisterer Elektrorechnische Spezialartikel GmbH and Co KG filed Critical Karl Pfisterer Elektrorechnische Spezialartikel GmbH and Co KG
Priority to AT79103664T priority Critical patent/ATE1309T1/de
Publication of EP0009769A1 publication Critical patent/EP0009769A1/fr
Application granted granted Critical
Publication of EP0009769B1 publication Critical patent/EP0009769B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/68—Structural association with built-in electrical component with built-in fuse

Definitions

  • the invention relates to a device for connecting a branch conductor to an insulated power supply cable laid above the ground with the aid of a branch terminal.
  • the energy supply of several consumers for example the lights of a street lighting, via an insulated energy supply cable laid above the ground usually takes place in such a way that the branch line leading to it is connected to the energy supply cable with the aid of a preferably fully insulated branch terminal.
  • the branch conductor is not protected and must therefore, if protection is necessary or appropriate, be led to a fuse that must be provided where the consumer is located. So For example, when light poles the fuse in the F uence of the mast disposed, from which a connecting line leads to the mast moist.
  • the disadvantage here is that since the consumers are usually outdoors, the fuse must be protected against moisture, which requires considerable effort.
  • a connecting line is required between the fuse and the consumer, which causes additional costs during assembly and possibly during maintenance and can lead to errors during installation.
  • the invention is therefore based on the object of providing a device for connecting a branch conductor to an insulated power supply cable laid above the ground with the aid of a branch terminal, which makes it possible to connect the consumer directly to the branch conductor even when the connection has to be secured .
  • a device with at least one electrically insulating housing, in which a contact piece, with which the branch conductor can be connected, is arranged in the fully electrically insulated and protected against water and an uninsulated section of a contact pin projecting from the housing is fixed, which at least outside the housing is provided on part of its length with an electrically insulating sheath, and which housing has a cavity between the contact piece and the uninsulated section of the contact pin, which is electrically fully insulated, on the one hand, to the contact piece and, on the other hand, to the uninsulated section of the contact pin, and is electrically fully insulated protected against water.
  • the protection of the consumer connected to the branch conductor can take place here in the area of the connection device, so that the consumer can be connected directly to the branch conductor without any danger. This also eliminates the sources of error and maintenance work that usually occurs with an arrangement of the fuse in the area of the consumer are unavoidable. Another significant advantage is the cost reduction that is achieved with the solution according to the invention, since the device according to the invention is inexpensive to manufacture and assemble due to its simplicity and also does not require any maintenance.
  • the housing has a cylindrical shape and is divided transversely to its longitudinal axis so that one housing part contains the uninsulated section of the contact pin and the other housing part contains the contact piece is particularly advantageous.
  • the assembly of the device and the insertion and replacement of the fuse is then particularly simple.
  • the upper housing part containing the uninsulated section of the contact pin engages over the lower housing part.
  • a sealing ring can be provided, which is clamped between a contact surface of the two housing parts when connecting the two housing parts, which in a preferred embodiment takes place by screwing a threaded section of the lower housing part into a threaded section of the upper housing part.
  • the against the uninsulated section of the contact pin facing side of the contact piece is designed as a contact surface for direct contact of one end of the fuse and the insulated section of the contact pin as a counter-contact for direct contact of the other end of the fuse.
  • the number of individual parts of the device can be reduced to a minimum.
  • the additional contact resistances are avoided.
  • the contact surface of the contact body and / or of the uninsulated section of the contact pin expediently have a corrugation.
  • the longitudinal axis of the uninsulated section of the contact pin lies transversely to the longitudinal axis of the housing, since the contact pin can then be fixed in the housing with particularly simple means.
  • corrugation can also be provided very easily in the area in which the fuse is applied.
  • the contact piece is preferably designed as a screw terminal. It is sufficient to arrange this contact piece loosely in the lower housing part, since the bottom of the latter only has to have an opening for the branch conductor to pass through.
  • a common contact pin can be provided for two or more housings.
  • the contact pin carries the second housing of the same design at a sufficient distance from the housing for insertion into a branch terminal.
  • the branch terminal here contacts the contact pin between the two housings. If more than two branches are required, you can use the same contact pin next to one or both housings on the side facing away from the other housing.
  • the contact pin Regardless of whether the contact pin carries only one housing or several housings, it is advantageous to provide it with an electrically insulating jacket in the section protruding from the housing, provided the branch terminals are provided with tips or cutting edges which can penetrate this jacket .
  • the installer cannot accidentally come into contact with the contact pin, which may be live.
  • a metallic connecting body can be used instead of the fuse.
  • the housing can also be made so small that only the uninsulated section of the contact pin and the contact piece can be accommodated in it, these parts also being able to be formed in one piece.
  • a device for connecting a branch conductor 1 to the one, insulated wire 2 of an above-ground, insulated power supply cable, for example carried by masts, with the aid of a fully insulated branch terminal 3 has a cylinder-like housing consisting of plastic and therefore electrically insulating, which consists of an upper housing part 4 and a lower housing part 5.
  • the uninsulated one end section 6 of a contact pin 7 is fixed, which consists of an electrically highly conductive material, for example aluminum, and emerges from the upper housing part 4 in the radial direction.
  • the housing part 4 forms a neck-like extension, which overlaps an electrically insulating jacket 9 surrounding the outer part of the contact pin 7, which can be a shrink tube, for example, so that no water enters the inside of the exit point Housing part 4 can penetrate.
  • the insulating material from which the jacket 9 is made is so soft that tips or cutting penetrate the jacket 9 in the clamping channel of the branch terminal 3 intended for receiving the contact pin 7, which in the exemplary embodiment lies parallel to the clamping channel receiving the wire 2, and the Can contact pin 7.
  • the length of the section of the contact pin 7 lying outside the upper housing part 4 is selected in the exemplary embodiment so that its free end lies inside the branch terminal 3 when it is closed.
  • the end face of the contact pin 7 lying outside the housing part 4 is also covered in a touch-safe manner in the assembled state.
  • the end section 6 lies, as Fig.l shows, on the inside of the upper end wall of the housing part 4 and is corrugated in the longitudinal direction for better contact. Its end, which for the purpose of fixing engages in a recess in the casing of the upper housing part 4, is covered by an outwardly projecting elevation of the casing.
  • the interior of the upper housing part 4 is adapted to the dimensions of a fuse 10 to be accommodated, for example a D-fuse, which directly matches the end face of the contact cap 11 present at one end or via a contact element (not shown), which is electrically highly conductive and elastically deformable in the direction of the longitudinal axis of the housing abuts the corrugated area of the end section 6 when the upper housing part 4 is connected to the lower housing part 5.
  • a fuse 10 for example a D-fuse
  • a contact cap 11 directly matches the end face of the contact cap 11 present at one end or via a contact element (not shown), which is electrically highly conductive and elastically deformable in the direction of the longitudinal axis of the housing abuts the corrugated area of the end section 6 when the upper housing part 4 is connected to the lower housing part 5.
  • the lower housing part 5 which is made of the same plastic material as the upper housing part 4, is provided in its upper end section with an external thread 12 which can be screwed into an internal thread 13 in the upper housing part overlapping the lower housing part in order to establish the connection between the two until one Annular collar 14 of the lower housing part comes into contact with a shoulder 15 in the upper housing part.
  • a sealing ring can be inserted between the collar 14 and the shoulder 15.
  • the middle section of the lower housing part 5 is provided on the outside with longitudinal ribs 16, which facilitate reliable gripping of the lower housing part when screwing in and unscrewing.
  • a central passage opening 17 is provided for the branch conductor 1, which is extended outwards by a neck-like extension of the lower housing part.
  • Loose is a contact piece 18, which is designed as a screw terminal for connecting the branch conductor 1 and whose end face facing the upper housing part 4 forms the contact surface on which the fuse 10 with its one contact cap or via an unillustrated, electrically well conductive and in the direction rests on the longitudinal axis of the housing elastically deformable contact element.
  • the contact piece 18 lies loosely in the lower housing part 5, it can be easily removed for inserting and clamping the branch conductor 1 and then reinserted. This avoids an access opening to the clamping screw 19 of the contact piece 18, through which water could penetrate. If the lower housing part 5 is screwed into the upper housing part 4, no water can therefore penetrate into the lower housing part.
  • integrally formed / holding fingers 20 are provided on the narrow, the latter, which are evenly arranged on the circumference of the upper edge are distributed and extend from here in the longitudinal direction of the housing into the upper housing part 4.
  • the contact pin can also have a linear shape other than that shown in FIG. 1.
  • the contact pin 107 is bent at a right angle from the upper housing part 104.
  • This exemplary embodiment can therefore be connected to a branch terminal in which the clamping channel for the contact pin runs in the vertical direction.
  • FIG. 3 shows an exemplary embodiment which allows at least two branch conductors 201 to be connected by means of a single branch terminal 203 to a power supply cable (not shown) which is laid above ground.
  • the contact- . pin 207 carries at a distance which, as shown in FIG. 3, is greater than the width of the branch terminal 203, an upper housing part 204, into each of which a lower housing part 205 can be screwed.
  • the housing parts 204 and 205 are designed corresponding to the housing parts 4 and 5.
  • the insertion of the contact pin 207 into the upper housing parts is designed as in the first exemplary embodiment, the electrically insulating jacket surrounding the contact pin engaging over the connecting pieces on the upper housing parts 204 and sealing them in a watertight manner.
  • the fuses that can be inserted in the two housings on the one hand the uninsulated end section of the contact pin 207 and on the other hand the contact piece to which the branch conductor 201 is clamped.
  • the contact pin 207 can be extended beyond the first two housings and further housings on these extensions. arrange.
  • the branch conductor is expediently first clamped onto the contact piece, then this is placed in the lower housing part. Then the fuse is inserted between the holding fingers and then the lower housing part is screwed into the upper housing part. If the contact pin is finally inserted into the branch terminal and this is closed, the fitter cannot come into contact with a live part during the entire assembly.

Landscapes

  • Fuses (AREA)
  • Cable Accessories (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
EP79103664A 1978-09-29 1979-09-27 Appareil pour connecter un conducteur de dérivation Expired EP0009769B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT79103664T ATE1309T1 (de) 1978-09-29 1979-09-27 Vorrichtung zum anschliessen eines abzweigleiters.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE7829026U 1978-09-29
DE7829026U DE7829026U1 (de) 1978-09-29 1978-09-29 Anschlußstück für vollisolierte Abzweigklemmen

Publications (2)

Publication Number Publication Date
EP0009769A1 true EP0009769A1 (fr) 1980-04-16
EP0009769B1 EP0009769B1 (fr) 1982-06-30

Family

ID=6695573

Family Applications (1)

Application Number Title Priority Date Filing Date
EP79103664A Expired EP0009769B1 (fr) 1978-09-29 1979-09-27 Appareil pour connecter un conducteur de dérivation

Country Status (3)

Country Link
EP (1) EP0009769B1 (fr)
AT (1) ATE1309T1 (fr)
DE (2) DE7829026U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1187271A2 (fr) * 2000-09-08 2002-03-13 Pfisterer Kontaktsysteme GmbH & Co. KG Dispositif de raccordement électrique de fils de connexion de données à une ligne d'alimentation d'énergie à basse tension

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3801920A1 (de) * 1988-01-23 1989-08-03 Pfisterer Elektrotech Karl Vorrichtung zum anschliessen eines abzweigleiters

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2423915B2 (de) * 1974-05-16 1976-10-21 Jordan, Alfred, 1000 Berlin Elektrische kontaktanordnung zum einfuegen einer schmelzsicherung in eine leitungsverbindung
GB1466894A (en) * 1973-11-15 1977-03-09 Kabel Metallwerke Ghh Connector for a motor vehicle ignition system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1466894A (en) * 1973-11-15 1977-03-09 Kabel Metallwerke Ghh Connector for a motor vehicle ignition system
DE2423915B2 (de) * 1974-05-16 1976-10-21 Jordan, Alfred, 1000 Berlin Elektrische kontaktanordnung zum einfuegen einer schmelzsicherung in eine leitungsverbindung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1187271A2 (fr) * 2000-09-08 2002-03-13 Pfisterer Kontaktsysteme GmbH & Co. KG Dispositif de raccordement électrique de fils de connexion de données à une ligne d'alimentation d'énergie à basse tension
EP1187271A3 (fr) * 2000-09-08 2002-12-18 Pfisterer Kontaktsysteme GmbH & Co. KG Dispositif de raccordement électrique de fils de connexion de données à une ligne d'alimentation d'énergie à basse tension

Also Published As

Publication number Publication date
EP0009769B1 (fr) 1982-06-30
DE2963253D1 (en) 1982-08-19
ATE1309T1 (de) 1982-07-15
DE7829026U1 (de) 1979-01-11

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