WO1997030492A1 - Systeme de barre omnibus - Google Patents

Systeme de barre omnibus Download PDF

Info

Publication number
WO1997030492A1
WO1997030492A1 PCT/EP1997/000750 EP9700750W WO9730492A1 WO 1997030492 A1 WO1997030492 A1 WO 1997030492A1 EP 9700750 W EP9700750 W EP 9700750W WO 9730492 A1 WO9730492 A1 WO 9730492A1
Authority
WO
WIPO (PCT)
Prior art keywords
busbar
engaging
adapter
engagement
locking
Prior art date
Application number
PCT/EP1997/000750
Other languages
German (de)
English (en)
Inventor
Eckhard Halemeier
Original Assignee
Bruck Gmbh & 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 Bruck Gmbh & Co. Kg filed Critical Bruck Gmbh & Co. Kg
Publication of WO1997030492A1 publication Critical patent/WO1997030492A1/fr

Links

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
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/14—Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length
    • H01R25/142—Their counterparts

Definitions

  • the invention relates to a busbar system with a busbar in the form of a profile body which forms at least two engaging grooves which open on opposite sides of the busbar, and with at least one adapter which serves to electrically connect a consumer to the busbar and which in a locking position in which it engages over the busbar and engages with engagement parts in the engaging grooves (14) on the opposite sides of the busbar, can be clamped to the busbar.
  • busbar systems serve to supply electricity to lights or other electrical consumers.
  • the busbar is to be fastened to a wall or ceiling with suitable holders and has at least two electrical conductors which are insulated from one another, and the adapters are to be mechanically locked in different longitudinal positions on the busbar and allow the electrical voltage from tap the conductors of the busbar and feed them to the respective consumer.
  • EP-A-0 666 621 describes a busbar system in which a holder is provided for fastening the busbar to a mounting surface, said holder engaging over the busbar and can be brought into engagement with the engagement grooves by rotating about an axis perpendicular to the busbar . A loosening of the gripping is prevented here by the holder being fixed in a rotationally fixed manner to the mounting surface with a screw.
  • the object of the invention is to provide a busbar system of the type mentioned at the outset, which allows simple and secure releasable attachment of the adapter to the busbar. This object is achieved with the features specified in claim 1.
  • the adapter is designed in such a way that the engaging parts act on the busbar in positions offset from one another in the longitudinal direction of the busbar and can be disengaged from the busbar by rotating the adapter about an axis perpendicular to the longitudinal direction of the busbar. In the locking position, the adapter can be clamped onto the busbar.
  • the mechanical locking of the adapter on the busbar and the detachment of the adapter from the busbar can thus be achieved by simply rotating the adapter or the part of the busbar that crosses the busbar. If the engaging parts also form electrical contacts, the production or removal of the electrical contact can be effected in one go with the production and removal of the mechanical interlock.
  • FIG. 1 shows the profile of a busbar of a busbar system according to an embodiment of the invention
  • FIG. 2 shows a side view of the busbar from FIG. 1 and an associated holder
  • FIG. 3 shows a reduced section through the busbar and engagement parts of the holder according to FIG. 2;
  • Figure 4 is a side view of the holder together with a section through a mounting base for the holder.
  • Fig. 5 shows a section through the busbar according to Figure 1 and one associated adapter
  • Figure 7 shows the adapter in plan view.
  • FIG. 11 shows a plan view of the adapter in an unlocked position with respect to the schematically illustrated busbar
  • 15 is a side view of a connector for two bus bars.
  • FIG. 16 shows the connector from FIG. 15 in a top view.
  • the busbar 11 shown in cross section in FIG. 1 is formed by an extruded plastic profile in the form of a double-walled channel which is open at the bottom in the drawing.
  • the groove delimited by an inner wall of the profile forms an engagement space 13 which serves to receive adapters or parts of adapters which are fastened to lamp holders or the like.
  • the walls of the engaging space 13 are provided with undercuts in which locking elements of the adapters are can be taken.
  • a lateral engagement groove 14 is provided on each of the two outer walls of the busbar 11.
  • one conductor 15 (metal wire) serving for the power line is embedded in the profile wall, leaving free contact surfaces over the entire profile length.
  • the engaging grooves are so deep that the conductors 15 arranged therein cannot be touched with the fingers or with the tools customary in normal use.
  • a further conductor 16 (metal wire) is embedded in the inner wall, which forms a ground line or a protective conductor.
  • Channel-like cavities in the busbar can be used to hold separate cables such as antenna cables, telephone lines, power lines with a different voltage and the like.
  • the profile of the conductor rail forms two locking ribs 20 and an undercut groove 22 on the side (top side) opposite the engagement space 13, into which a holding profile for fastening the conductor rail to a mounting surface can be inserted.
  • the engagement space 13 has an asymmetrical cross section, so that an unmistakable device is formed for an appropriately designed adapter.
  • the lateral engagement grooves 14 are designed as undercut grooves and have openings with a relatively large clear width, so that the associated current contacts of the adapters can be excluded with vertical play.
  • FIG. 2 shows an example of a holder 24 which can be used as an alternative to the holding profile mentioned above for attaching the busbar 11 to a mounting surface 26.
  • This holder 24 has a mounting base 28 to be attached to the mounting surface 26, on which an approximately circular bracket 30 is held so as to be rotatable about a vertical axis running perpendicular to the longitudinal direction of the busbar 11.
  • bracket 30 At the free ends of the bracket 30 engaging parts 32 are formed are axially symmetrical with respect to the aforementioned vertical axis of rotation.
  • the engagement parts 32 engage with the lateral engagement grooves 14 of the busbar 11.
  • FIG. 2 shows an example of a holder 24 which can be used as an alternative to the holding profile mentioned above for attaching the busbar 11 to a mounting surface 26.
  • This holder 24 has a mounting base 28 to be attached to the mounting surface 26, on which an approximately circular bracket 30 is held so as to be rotatable about a vertical axis running perpendicular to the longitudinal direction of the busbar 11.
  • each engagement part 32 has a locking lug 34 projecting into the engagement groove 14 and a resilient latching tongue 36 which snaps into place on one of the latching ribs 20 of the busbar.
  • the bracket 30 forms an angle of approximately 45 ° with the longitudinal direction of the current rail 11.
  • the fastening base 28 is fastened to the mounting surface 26 with a screw 38.
  • the bracket 30 is anchored with anchoring parts 40 in a bayonet-like manner in an opening 42 in the fastening base.
  • the pivoting range of the bracket 30 is limited by the busbar to an angular range of approximately 45 °.
  • the fastening base 28 is preferably oriented such that the anchoring between the anchoring parts 40 and the opening 42 cannot be removed if the bracket 30 is pivoted within this angular range.
  • bracket 30 If the bracket 30 is oriented approximately perpendicular to the busbar 11, the busbar can be freely inserted into the space between the engagement parts 32. Then the bracket is rotated into the 45 ° position according to FIG. 2, so that the engaging parts 32 engage on the busbar 11. The two engagement parts 32 are then offset from one another in the longitudinal direction of the busbar 11, as can be seen in FIG. When the bracket 30 is rotated back into the position perpendicular to the busbar after overcoming the latching resistance of the latching claws 36, the locking lugs 34 emerge from the engagement grooves 14 of the busbar, so that the latter is released again.
  • the approximately semicircular arms of the bracket 30 have an approximately triangular cross section according to FIGS. 2 and 4, which gives the bracket a high torsional rigidity.
  • the structure of an adapter 44 is to be explained below with reference to FIGS. 5 to 14, which is to be fastened to the busbar in a manner similar to the holder 34 described above.
  • the adapter 44 has an approximately circular bracket 46, the shape of which corresponds to the bracket 30 of the holder 24. However, while the bracket 30 of the holder overlaps the conductor rail from above in the usual ceiling mounting, the bracket 46 of the adapter 44 is designed such that it engages around the conductor rail from below.
  • engaging parts 48 are formed which engage with the engaging grooves 14 and the locking ribs 20 of the busbar.
  • a contact blade 50 is mounted, which makes the electrical contact with the relevant conductor 15 of the busbar and is electrically connected to a connecting cable 52 running through the hollow interior of the bracket 46.
  • the bracket 46 including the engaging parts 48, is axially symmetrical with respect to an axis A running perpendicular to the busbar 11 (FIGS. 5 and 6). It is preferably composed of two identical half-shells, the division plane of which extends in the middle in the longitudinal direction of the bracket arms.
  • each engagement part 48 has three walls 52, 54, 56 which are arranged at an angle to one another and, in the engagement position, run parallel to the busbar and which have a triangular cross-section which transitions into the hollow interior of the relevant arm Form cavity.
  • the walls 52 and and 54 are formed in one piece with one of the half shells, while the third wall 56 belongs to the other half shell. In order to hold the half-shells together at the free end of the bracket, the walls 52 and 56 are locked together. In addition, these walls form a locking claw 58, which engages on the locking rib 20 of the busbar.
  • the contact blade 50 is held in a pocket 60, which in turn is pivotally mounted in the interior of the engagement part 48 and protrudes through the wall 56 to the outside.
  • a spring 62 arranged between the contact blade 50 and the rear wall of the pocket 60 elastically pretensions the contact blade 50 in the direction of the conductor of the busbar.
  • the adapter 44 also has a central finger 64 which projects along the axis of symmetry A from the base region of the bracket 46.
  • An engagement part 66 is provided at the free end of the central finger 64. hen, the tip engages with a precise fit in the engaging space 13 of the busbar.
  • the engagement part 66 forms two wings 68 which, in the engagement position, are oriented parallel to the longitudinal direction of the busbar.
  • a contact blade 70 oriented parallel to the wings 68 is held axially displaceably in the engagement part 66 and is biased by a spring 72 in the direction of the earth conductor 16 of the busbar. As can be seen most clearly in FIG. 10, the spring 72 lies in an opening of the contact blade 70.
  • the contact blade 70 is connected to the ground connection of the consumer belonging to the adapter via a connection cable (not shown).
  • the engagement part 66 is composed of two complementary half shells.
  • the division plane between these half-shells can be seen in FIGS. 7 and 8 as a line running centrally through the wings 68.
  • Figure 10 one looks at one of these half shells.
  • the half-shells are provided with mutually complementary engaging members (pins and holes) 74, 76 with which the half-shells are held together in the area of the free end of the engaging part 66.
  • the engagement part 66 forms a shaft which is axially displaceable and rotatable within a limited area in a base 78 which is formed in one piece with the bracket 46.
  • the engagement part 66 is surrounded by an adjusting ring 80 which has two wings 82 serving as a handle.
  • the adjusting ring 80 is rotatably supported on the base 78 and engages over an end section of this base, so that it holds the two half-shells of the bracket 46 together.
  • the engagement part 66 is supported on a corresponding counter surface of the adjusting ring 80 via a helical ramp surface of a shoulder 84 (FIGS. 5 and 10). By rotating the adjusting ring 80, the engaging part 66 can thus be axially clamped against the busbar 11.
  • the axial adjustment range of the engaging part 66 is limited by ribs 86 formed in the base 78, which engage in corresponding grooves (without reference numerals) of the engaging part.
  • the adjusting ring 80 has a thickening 88 on its circumference which receives a grub screw 90.
  • the set ring can be fixed to the base 78 with this grub screw.
  • a hollow cylindrical connecting piece 92 is formed coaxially to the base 78 and opposite thereto, through which the connecting cables 52 are guided and which is surrounded by a sleeve 94.
  • a pendulum 96 of a lamp (not shown) is held in the sleeve 94.
  • Figure 1 1 shows the adapter in the position immediately before attachment to the busbar 1 1, the floor plan is shown there in dashed lines.
  • the bracket 46 is oriented at right angles to the busbar, while the engaging parts 48 form an angle of approximately 45 ° with the longitudinal direction of the busbar and are spaced so far apart that they can receive the busbar freely between them.
  • the wings 68 of the central fin 64 are oriented parallel to the busbar, and the tip of the engaging part 66 engages in the engaging space 13 of the busbar from below, so that the adapter is centered on the busbar.
  • the bracket 46 is rotated about 45 ° about the axis A, so that the engaging parts 48 rest against the busbar 11 from both sides, as shown in FIG . Since the contact blade 70 of the engaging part 66 is already in contact with the earth conductor 16 of the busbar in the state shown in FIG. 11, it is ensured that the earth contact is made before the two contact blades 50 with the current-carrying conductors 15 Contact the busbar.
  • the adjusting ring 80 is brought into a position relative to the engaging part 66, in which the helical ramp surface on the shoulder 84 is released, so that the engaging part 66 presses back towards the base 78 leaves.
  • This can be seen in FIG. 12 by the fact that the wings 82 of the adjusting ring form an angle of 45 ° with the wings 68 of the engagement part.
  • the adapter 44 While the engaging part 66 is supported on the busbar, the remaining parts of the adapter 44 can be pushed upwards so that the latching claws 58 can slide over the latching ribs 20 of the busbar with little latching resistance, as shown in FIG .
  • the contact blades 50 are guided through the inner walls of the engagement grooves 14 and come into contact with the conductors 15 of the busbar. Due to the pivotable mounting of the pockets 60, they can tilt slightly downward, as can also be seen in FIG. 13. In this state, the adapter 44 is provisionally locked on the busbar 11.
  • the adjusting ring 80 is now gripped on the wings 82 and rotated through 45 ° into the position shown in FIG. 14, in which the wings 82 are again perpendicular to the conductor rail.
  • the engaging part 66 is tensioned upward so that the bracket 46 of the adapter is pulled down with respect to the busbar 11 and the locking claws 58 are placed behind the locking ribs 20 in a locking manner.
  • the contact blades 50 are pivoted back into the horizontal position (FIG. 5).
  • the shoulder 84 of the locking part 66 lies with a horizontal surface against a corresponding horizontal counter surface of the adjusting ring 80, so that no torque acting in the sense of unlocking is exerted on the adjusting ring 80.
  • the contact blade 70 remains in contact with the grounding conductor 16 of the busbar until the latching claws 58 have slid again over the latching ribs 20 and accordingly the contact blades 50 have moved away from the current-carrying conductors 15 again.
  • the socket 92 is preferably rotatably received in the sleeve 94, so that the sleeve and the lamp pendulum 96 do not rotate when the bracket 46 is pivoted between the release position according to FIG. 11 and the locking position according to FIGS. 12 and 14.
  • FIGS. 15 and 16 show a connector 98 which allows two busbars 11 to be mechanically and electrically connected to one another axially or in any relative orientation.
  • This connector 98 is formed by two adapters 44 of the construction described above, the sleeves 94 of which are connected to one another by a hollow rod 100. Who are mutually speaking contact blades 50, 70 of the two adapters are electrically connected to one another via connecting cables running through the rod 100.
  • busbar system can be varied in many ways. For example, it is possible to implement a multi-phase busbar which has a plurality of phase conductors accessible via engagement grooves 14 on each side.

Landscapes

  • Installation Of Bus-Bars (AREA)

Abstract

L'invention concerne un système de barre omnibus comprenant une barre omnibus (1) se présentant sous forme de corps profilé constituant au moins deux rainures de prise s'ouvrant en direction des faces opposées de la barre omnibus, ainsi qu'au moins un adaptateur (44) servant au raccordement électrique d'un consommateur à la barre omnibus. Lorsqu'il est en position de verrouillage, l'adaptateur (44) empiète sur la barre omnibus et s'engage par des pièces de prise (48) dans les rainures de prise au niveau des côtés opposées de la barre omnibus. Ce système de barre omnibus se caractérise en ce que, dans des positions décalées les unes par rapport aux autres dans le sens longitudinal de la barre omnibus, les pièces de prise (48) s'appliquent sur la barre omnibus et peuvent en être enlevées, par rotation de l'adaptateur autour d'un axe perpendiculaire au sens longitudinal de la barre omnibus.
PCT/EP1997/000750 1996-02-17 1997-02-17 Systeme de barre omnibus WO1997030492A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1996105982 DE19605982C1 (de) 1996-02-17 1996-02-17 Stromschienensystem
DE19605982.8 1996-02-17

Publications (1)

Publication Number Publication Date
WO1997030492A1 true WO1997030492A1 (fr) 1997-08-21

Family

ID=7785721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1997/000750 WO1997030492A1 (fr) 1996-02-17 1997-02-17 Systeme de barre omnibus

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DE (1) DE19605982C1 (fr)
WO (1) WO1997030492A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437579A (en) * 1945-12-08 1948-03-09 Robert E Wilson Electrical outlet construction
GB2005490A (en) * 1977-09-30 1979-04-19 Kokvik B O Adapter plug for current supply rail systems
EP0147106A2 (fr) * 1983-12-09 1985-07-03 National Service Industries, Inc. Système de rail d'énergie électrique
EP0291989A1 (fr) * 1987-05-20 1988-11-23 Brilliant Ag Barre omnibus à basse tension
DE3817133A1 (de) * 1987-05-20 1988-12-01 Halloform Gmbh & Co Kg Niedervolt-stromschiene

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2968782A (en) * 1956-05-11 1961-01-17 Ite Circuit Breaker Ltd Polarized duct system
DE9401729U1 (de) * 1994-02-03 1994-04-07 Elkamet Kunststofftechnik GmbH, 35216 Biedenkopf Als Stromschiene ausgebildeter Leuchtenträger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2437579A (en) * 1945-12-08 1948-03-09 Robert E Wilson Electrical outlet construction
GB2005490A (en) * 1977-09-30 1979-04-19 Kokvik B O Adapter plug for current supply rail systems
EP0147106A2 (fr) * 1983-12-09 1985-07-03 National Service Industries, Inc. Système de rail d'énergie électrique
EP0291989A1 (fr) * 1987-05-20 1988-11-23 Brilliant Ag Barre omnibus à basse tension
DE3817133A1 (de) * 1987-05-20 1988-12-01 Halloform Gmbh & Co Kg Niedervolt-stromschiene

Also Published As

Publication number Publication date
DE19605982C1 (de) 1997-10-23

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