EP1713099A1 - Fixation de base pour un transformateur - Google Patents

Fixation de base pour un transformateur Download PDF

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Publication number
EP1713099A1
EP1713099A1 EP05007893A EP05007893A EP1713099A1 EP 1713099 A1 EP1713099 A1 EP 1713099A1 EP 05007893 A EP05007893 A EP 05007893A EP 05007893 A EP05007893 A EP 05007893A EP 1713099 A1 EP1713099 A1 EP 1713099A1
Authority
EP
European Patent Office
Prior art keywords
base
transformer
mounting foot
holder according
mounting
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.)
Withdrawn
Application number
EP05007893A
Other languages
German (de)
English (en)
Inventor
Angelo Algeri
André Oftinger
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.)
Murrelektronik GmbH
Original Assignee
Murrelektronik GmbH
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 Murrelektronik GmbH filed Critical Murrelektronik GmbH
Priority to EP05007893A priority Critical patent/EP1713099A1/fr
Publication of EP1713099A1 publication Critical patent/EP1713099A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type

Definitions

  • the invention relates to a socket holder for a transformer according to the preamble of claim 1.
  • Such a base holder is made of DE 33 12 513 A1 known. It consists of a socket connected to the transformer and a mounting foot which is connected to the socket to form an L-shaped mounting bracket. In addition to a locking device for securing the base holder on a rail mounting holes for mounting screws are provided in the ends of the L-shaped base bracket. These are outside the contour of the transformer, which is why the socket holder is designed to be larger than the transformer itself.
  • the invention has the object of providing a multifunctional socket holder for a small building transformer.
  • the base and the mounting foot form separate components which engage in a form-fitting manner via a detachable connection.
  • the socket holder may be designed so small that it lies within the contour of the transformer and requires no additional space.
  • the detachable connection is expediently a latching connection, which is particularly easy to solve without tools, so that easy assembly and disassembly remains guaranteed.
  • the base is bolted to the transformer so that the holding the laminated core of the transformer clamping screws form the mounting screws.
  • the base itself can thus lie within the contour of the laminated core and is not beyond the outer contour of the laminated core out.
  • the base consists of a bolted to the transformer, preferably flat frame and the frame approximately at right angles bent side walls.
  • the so downwardly open box of the base allows easy access to the mounting screws or clamping screws, so that the setting of the base on the laminated core of the transformer is easily possible.
  • the base itself and / or the mounting base is folded from a stamped, in particular painted sheet metal.
  • a bent with the side wall grounding flange is formed on the base, including the grounding flange is punched out before bending the side wall.
  • the grounding flange raises on bending of the side wall, with the bare cutting edge of the grounding flange facing the laminated core.
  • an electrical contact is possible on the paint-free cutting edge;
  • the earthing flange is welded to the laminated core.
  • guide rails for receiving guide walls of the mounting foot are preferably in the region of the side wall.
  • the guide rails are advantageously on the inside of the base; It may also be expedient to arrange the guide rails on the outside of the base.
  • the detachable connection between the base and the mounting base is formed between two mutually parallel walls of the base and the mounting foot, expediently by a latching element which is held on one wall and engages latching in the other wall.
  • FIG. 1 shows a perspective view of the opened housing 1 of a transformer 7 (FIG. 4) with a socket holder 2 according to the invention.
  • contact bridges 20 or contact pins 21 are accommodated in suitable holders, which the user can use as needed to make an electrical connection between terminals, for example supply a voltage arranged in the housing 1 board.
  • the base support 2 is shown in Fig. 2 in a perspective view from below and consists essentially of a base 3 and a mounting base 4. Socket 3 and mounting base 4 are shown separately in Figs. 4 and 6. They form mutually separate components which intermesh positively to form the base holder 2 of FIG. 2 via a releasable connection 5.
  • the base 3 (FIG. 4) consists essentially of a frame 8 which corresponds to the outer contour of the laminated core 6 of a transformer 7 and which consists of a flat sheet metal.
  • the side walls 9, 10 and 11 are integrally formed with the frame 8 and bent to form bending edges 12 from the plane of the frame 8 at right angles.
  • the base 3 thus forms a downwardly open box in which the mounting foot 4 is to be accommodated.
  • the base 3 is screwed by means of fastening screws with the laminated core 6 of the transformer 7, wherein the clamping screws 13 holding the laminated core 6 at the same time form the fastening screws for the base 3.
  • the base 3 is preferably made of an unpainted sheet, wherein at least one side wall 9, a grounding flange 14 is provided.
  • the grounding flange 14 is punched out of the region of the bending edge 12 and turns on bending of the side wall 9, wherein it can project slightly beyond the plane of the frame 8.
  • the grounding flange 14 is punched out of the unpainted sheet, so that a direct electrical contact with the bolted to the frame 8 laminated core 6 of the transformer 7 is given.
  • the grounding flange 14 is welded to the laminated core 6, so that an indestructible electrical connection is created. Only then the base 3 is painted.
  • grounding flanges 14 are provided on opposite sides; in the illustrated embodiment the shorter end faces 9 are each provided with a grounding flange 14.
  • the longitudinal sides 10 and 11 of the base 3 are each provided with a guide 15, 16, which is preferably formed from the side wall 10, 11 inwardly bent sheet metal tabs 17.
  • Each two facing sheet metal tabs 17 form a rail-like guide, in which the associated side wall 40, 41 of the mounting foot 4 is inserted and held captive.
  • ventilation slots 18 are formed for heat dissipation.
  • the end faces 9 have notches 19, which are necessary in the attachment of the base holder 2 on a rail, DIN rail or the like.
  • a detent spring 22 is held, which is shown in Fig. 5.
  • the detent spring 22 is located with its free ends 22a in support brackets 23, which are bent out of the plane of the side wall 10. Between the support brackets 23, a longitudinal slot 24 is provided, protrude through the arcuate spring portions 25 as locking elements in the base 3.
  • the latching elements 25 is associated with a latching slot 26 in a longitudinal wall 40 of the mounting base 4, so that when inserting the side walls 41 and 40 in the guides 15 and 16 of the latching base 3, a latching between the detent spring 22 and the side wall 40 takes place.
  • a central portion 40a of the side wall 10 obliquely inwards bend, so that over the inclined central portion 40a, the locking portions 25 of the detent spring 22 are pushed back until they can fall into the locking slot 26 of the wall 40.
  • the mounting base 4 is held captive in the base 3; the base 3 and the mounting foot 4 jointly form a base holder 2 for the transformer 7.
  • the mounting foot 4 is - like the base 3 itself - formed from a painted sheet, the punched edges are free of paint. As a result, an electrically conductive connection between the mounting base 4 and the base 3 is ensured, so that, for example, when mounting on a rail already during assembly a grounding of the laminated core 6 of the transformer 7 is given, making the work is safer.
  • the bottom of the mounting foot 4 is approximately U-shaped issued in its central region, wherein in the region of a leg of the receptacle 31 retaining flanges 27 are notched.
  • a locking slide 29 is guided in a guide formed from tabs 28, which is subjected to a spring rod 30 in the U-shaped receptacle 31 of the mounting foot 4.
  • the spring bar 30 is held in correspondingly bent retaining flanges 32 on the mounting base 4.
  • a notch 33 in the longitudinal side 11 of the locking slide 29 is accessible from the outside when recorded in the base 3 mounting foot 4.
  • mounting holes 34 for mounting screws are on the legs of the receptacle intended. At each corner of the mounting foot 4, such a mounting hole 34 is provided, wherein the mounting holes 34 are preferably in a common plane, as in particular the view in Fig. 2 shows.
  • the mounting foot 4 is thus not only set on a rail, but can also be bolted to a flat surface. Due to the separation of the base 3 of the mounting base 4, a screwing of the mounting foot 4 without obstruction by the transformer 7 is possible; After fixing the mounting foot 4, the base 3 is attached to the transformer 7 until the latching between the base 3 and the mounting foot 4 via the detent spring 22 is done.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
EP05007893A 2005-04-11 2005-04-11 Fixation de base pour un transformateur Withdrawn EP1713099A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05007893A EP1713099A1 (fr) 2005-04-11 2005-04-11 Fixation de base pour un transformateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05007893A EP1713099A1 (fr) 2005-04-11 2005-04-11 Fixation de base pour un transformateur

Publications (1)

Publication Number Publication Date
EP1713099A1 true EP1713099A1 (fr) 2006-10-18

Family

ID=35428038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05007893A Withdrawn EP1713099A1 (fr) 2005-04-11 2005-04-11 Fixation de base pour un transformateur

Country Status (1)

Country Link
EP (1) EP1713099A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1912299B1 (fr) * 2006-10-13 2013-05-15 ABB France Appareil électrique, destiné à être fixé sur un rail support, et procédé de montage correspondant
DE102015111298B3 (de) * 2015-07-13 2016-10-13 Stego-Holding Gmbh Gehäuse für eine elektrische Vorrichtung sowie Anordnung umfassend ein solches Gehäuse mit einer darin angeordneten elektrischen Vorrichtung
USD804624S1 (en) 2015-07-13 2017-12-05 Stego-Holding Gmbh Regulator for a heating installation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134336A (en) * 1983-02-02 1984-08-08 Crabtree Electrical Ind Ltd Mounting electrical components on rails
EP0373627A1 (fr) * 1988-12-13 1990-06-20 OMRON Corporation Structure de montage pour dispositifs électriques
US5192227A (en) * 1991-12-23 1993-03-09 Square D Company Din rail mounting bracket
EP0776077A2 (fr) * 1995-11-27 1997-05-28 Rittal-Werk Rudolf Loh GmbH & Co. KG Dispositif pour le montage d'accessoires sur des rails DIN
US5783775A (en) * 1995-06-28 1998-07-21 Cooper Industries, Inc. Transformer door with corrosion resistant bottom strip

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2134336A (en) * 1983-02-02 1984-08-08 Crabtree Electrical Ind Ltd Mounting electrical components on rails
EP0373627A1 (fr) * 1988-12-13 1990-06-20 OMRON Corporation Structure de montage pour dispositifs électriques
US5192227A (en) * 1991-12-23 1993-03-09 Square D Company Din rail mounting bracket
US5783775A (en) * 1995-06-28 1998-07-21 Cooper Industries, Inc. Transformer door with corrosion resistant bottom strip
EP0776077A2 (fr) * 1995-11-27 1997-05-28 Rittal-Werk Rudolf Loh GmbH & Co. KG Dispositif pour le montage d'accessoires sur des rails DIN

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1912299B1 (fr) * 2006-10-13 2013-05-15 ABB France Appareil électrique, destiné à être fixé sur un rail support, et procédé de montage correspondant
DE102015111298B3 (de) * 2015-07-13 2016-10-13 Stego-Holding Gmbh Gehäuse für eine elektrische Vorrichtung sowie Anordnung umfassend ein solches Gehäuse mit einer darin angeordneten elektrischen Vorrichtung
USD804624S1 (en) 2015-07-13 2017-12-05 Stego-Holding Gmbh Regulator for a heating installation
USD805618S1 (en) 2015-07-13 2017-12-19 Stego-Holding Gmbh Regulator for a heating installation

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