EP1603196A1 - Transformator mit vereinfachten Terminals - Google Patents

Transformator mit vereinfachten Terminals Download PDF

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Publication number
EP1603196A1
EP1603196A1 EP05104575A EP05104575A EP1603196A1 EP 1603196 A1 EP1603196 A1 EP 1603196A1 EP 05104575 A EP05104575 A EP 05104575A EP 05104575 A EP05104575 A EP 05104575A EP 1603196 A1 EP1603196 A1 EP 1603196A1
Authority
EP
European Patent Office
Prior art keywords
wing
wings
transformer
transformer according
winding
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Withdrawn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
EP05104575A
Other languages
English (en)
French (fr)
Inventor
Francis Schmit
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP1603196A1 publication Critical patent/EP1603196A1/de
Withdrawn legal-status Critical Current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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2458—Electrical interconnections between terminal blocks
    • H01R9/2466—Electrical interconnections between terminal blocks using a planar conductive structure, e.g. printed circuit board
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/41—Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/10—Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/14—Electrically-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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by wrapping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/42—Clamping area to one side of screw only

Definitions

  • the present invention relates to an electrical apparatus provided with coils, in particular a transformer, comprising a carcass having at least one groove for winding at least two windings, and two lateral flanges each carrying several terminals located substantially in a plane called wiring.
  • transformers are known for example from EP 751 540 and DE 195 08 695.
  • the terminals have conductive parts which serve on the one hand to connect the ends of the wires wound on the carcass and secondly to connect cable ends connecting the transformer to an "external" power supply or charge.
  • the terminal pieces thus provide a direct connection between the winding and the external circuit.
  • the purpose of the invention is to simplify the design of an electrical appliance with windings, particularly of a transformer, to easily affect this apparatus to a direct connection, or an indirect connection, of winding terminals with external circuits.
  • each flange comprises for the terminals houses which are equipped each of two slides parallel to the plane of the terminals, or wiring plane, and offset from each other in a direction perpendicular to this plane;
  • the terminal includes two parallel insertion wings intended to be introduced into the slides, one of the wings, so-called internal wing, having a protrusion for connecting the wire terminating a winding, the other wing, called the outer wing, having connection elements of a cable external with the winding;
  • the inner and outer wings each have one end free extended by a connection pin that can be connected to an external circuit, such as for example a printed circuit having a link functional circuit for ensure the interconnection of the two pins.
  • Parallel insertion wings can advantageously be provided on a piece of U-shaped terminal having a core, preferably divisible, which provides the connection of the outer wing with the inner wing.
  • the breakable core of the terminal is then cut. According to the invention, it is therefore possible to take the current on a terminal, to process it with the aid of the external functional circuit and to send it back to the same terminal.
  • the connecting pin of each of the inner and outer wings is perpendicular to the wiring plane to be connected to the printed circuit board above the terminal housing.
  • the terminals of the transformer are versatile and can therefore be connected directly to an external circuit or indirectly through a functional circuit, by mounting a printed circuit on the connection pins and by cutting the breakable core of the terminals.
  • the transformer according to the invention comprises, in the embodiment illustrated in Figure 1, a housing consisting of a body 10 and a base 11, and a protective cover not shown.
  • the housing is intended to house a coil carcass 20 better visible in Figure 2.
  • the body and the base can form a single piece, and the carcass may optionally form itself the body and the base. Instead of a transformer, it could be another electrical device with windings to connect to a power or load circuit.
  • the carcass 20 has (FIG. 2) a winding groove 21 for receiving the primary and secondary windings C and lateral flanges 22 which border the groove 21.
  • the flanges 21 extend parallel to a plane P (perpendicular to the axis winding X) for laterally containing the coils and each carrying a terminal block 23.
  • the various terminals of the terminal strips 23 are located in a wiring plane Q perpendicular to the plane P of the flanges.
  • Each terminal block 23 comprises several terminal pieces 30 (for example here five) each arranged in a housing 24.
  • the terminal piece 30 is U-shaped having an outer flange 31, an inner flange 32 and a core 33 located outwardly; the core 33 connects the ends 31a, 32a of the wings 31,32 located outwardly of the housing 24, said outer ends 31a, 32a.
  • the opposite ends 31b, 32b of the wings are free and inserted inside the housing 24.
  • These free ends, designated hereinafter inner ends 31b, 32b, are provided with notches 31c, 32c for catching in the slideways 26, 27 which are provided in the partitions of the housing 24.
  • the slides 26,27 extend in a direction X 'parallel to the axis X of the carcass.
  • the outer flange 31 has a tapped hole 31d for receiving a clamping screw 37 which allows the user to connect a connecting cable C with an external circuit, while the inner flange 32 has a pin 34 projecting towards the outside. outside for winding ("wrapping") the end of a coil wire c .
  • the wing 31 may have different connection elements of the screw 37 - for example elastic cage or fork - if it is desired to have an elastic clamping terminal or insulation release.
  • Pins 35,36 are provided at the inner ends 31b, 32b of the wings 31,32. These broaches stand transversely to the wings to cross a 24th slot of housing 24. In the presence of a printed circuit 28 comprising a functional circuit 29 to active or passive components, the pins can enter holes in the circuit printed in order to be welded and thus be connected to the circuit 29; such a connection allows insertion between the winding (wing 32 and pin 34) and the external circuit (wing 31) the functional circuit 29.
  • the core 33 which has for example two connecting legs 33a, is sectioned ( Figures 7 and 8).
  • the cutting of the core 33 is carried out according to the cases to the manufacture or at the place of use.
  • the sectioned legs 33b can be folded down as shown in Figures 7 and 8 to respect a sufficient isolation distance between remaining parts of the soul.
  • the pins 35,36 do not cross no holes in the printed circuit, or through these holes without connection.
  • the soul 33 has as shown in Figure 4 two jambs framing the pin 34, but we can also provide a soul 33 to a single leg.
  • the pins are obtained by folding a part cut out of the wings or by inserts and fitted into recesses of the wings 31,32, this not being the subject of the invention.
  • a U-shaped wing piece 31,32 without pins in case of direct connection and two separate L-shaped parts including wings 31,32 and their respective pins 35,36 in case of indirect connection.
  • the wings 31,32 are introduced according to the wiring diagram Q in the slides 26, 27 which are arranged in the bulkheads of dwellings 24.
  • the device of the invention makes it possible to associate or not a functional circuit to a device equipped with windings, keeping a carcass unchanged and without modifying the wiring, thanks to unchanged or easily adapted terminal parts.
EP05104575A 2004-06-04 2005-05-27 Transformator mit vereinfachten Terminals Withdrawn EP1603196A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0406057 2004-06-04
FR0406057A FR2871287B1 (fr) 2004-06-04 2004-06-04 Transformateur a bornes simplifiees

Publications (1)

Publication Number Publication Date
EP1603196A1 true EP1603196A1 (de) 2005-12-07

Family

ID=34940002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05104575A Withdrawn EP1603196A1 (de) 2004-06-04 2005-05-27 Transformator mit vereinfachten Terminals

Country Status (2)

Country Link
EP (1) EP1603196A1 (de)
FR (1) FR2871287B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2469569A1 (de) * 2009-08-20 2012-06-27 Fuji Electric Fa Components & Systems Co., Ltd. Elektromagnetisches schütz
EP2876986A3 (de) * 2013-11-26 2016-01-20 Delta Electronics (Shanghai) Co., Ltd. Gehäuse, Spule und elektronische Vorrichtung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800172A (en) * 1972-11-10 1974-03-26 Oster J Mfg Co Hair clipper having blade illumination and field wire strain relief
US4759724A (en) * 1984-11-27 1988-07-26 Bendix Electronics S.A. Housing for an electrical device
US5012215A (en) * 1989-02-21 1991-04-30 Telemecanique Protected switch contactor apparatus
EP0751540A1 (de) * 1995-06-30 1997-01-02 Legrand Spulenkörper für Transformator und Transformator mit einem solchen Spulenkörper
EP1107400A1 (de) * 1999-11-30 2001-06-13 Molex Incorporated Elektrischer Verbinder mit verbesserter Kontaktformgebung
DE10120297A1 (de) * 2001-04-25 2002-10-31 Delphi Tech Inc Elektrischer Verbinder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800172A (en) * 1972-11-10 1974-03-26 Oster J Mfg Co Hair clipper having blade illumination and field wire strain relief
US4759724A (en) * 1984-11-27 1988-07-26 Bendix Electronics S.A. Housing for an electrical device
US5012215A (en) * 1989-02-21 1991-04-30 Telemecanique Protected switch contactor apparatus
EP0751540A1 (de) * 1995-06-30 1997-01-02 Legrand Spulenkörper für Transformator und Transformator mit einem solchen Spulenkörper
EP1107400A1 (de) * 1999-11-30 2001-06-13 Molex Incorporated Elektrischer Verbinder mit verbesserter Kontaktformgebung
DE10120297A1 (de) * 2001-04-25 2002-10-31 Delphi Tech Inc Elektrischer Verbinder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2469569A1 (de) * 2009-08-20 2012-06-27 Fuji Electric Fa Components & Systems Co., Ltd. Elektromagnetisches schütz
EP2469569A4 (de) * 2009-08-20 2014-04-02 Fuji Elec Fa Components & Sys Elektromagnetisches schütz
EP2876986A3 (de) * 2013-11-26 2016-01-20 Delta Electronics (Shanghai) Co., Ltd. Gehäuse, Spule und elektronische Vorrichtung
US9468120B2 (en) 2013-11-26 2016-10-11 Delta Electronics (Shanghai) Co., Ltd. Housing, bobbin, and electronic device

Also Published As

Publication number Publication date
FR2871287B1 (fr) 2007-02-09
FR2871287A1 (fr) 2005-12-09

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