EP0751540B1 - Spulenkörper für Transformator und Transformator mit einem solchen Spulenkörper - Google Patents

Spulenkörper für Transformator und Transformator mit einem solchen Spulenkörper Download PDF

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Publication number
EP0751540B1
EP0751540B1 EP19960401415 EP96401415A EP0751540B1 EP 0751540 B1 EP0751540 B1 EP 0751540B1 EP 19960401415 EP19960401415 EP 19960401415 EP 96401415 A EP96401415 A EP 96401415A EP 0751540 B1 EP0751540 B1 EP 0751540B1
Authority
EP
European Patent Office
Prior art keywords
terminal
body according
connecting means
leg portion
terminal connector
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.)
Expired - Lifetime
Application number
EP19960401415
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English (en)
French (fr)
Other versions
EP0751540A1 (de
Inventor
Valérie Deconinck
André Demeules
Claude Durame
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SA
Legrand SNC
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Publication date
Application filed by Legrand SA, Legrand SNC filed Critical Legrand SA
Publication of EP0751540A1 publication Critical patent/EP0751540A1/de
Application granted granted Critical
Publication of EP0751540B1 publication Critical patent/EP0751540B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • H01F5/04—Arrangements of electric connections to coils, e.g. leads

Definitions

  • the present invention relates generally transformers.
  • connection terminals In practice, two types of connection must be provided by these connection terminals.
  • the terminal block pads do not are initially only equipped with simple lugs, for example "FASTON” type lugs, comprising exclusively means internal connection.
  • terminal blocks suitable for internal connection and external connection only are reported on the carcass only after the winding of the wires electric, so as not to interfere with this winding.
  • the studs of terminals are integrated from the outset into the carcass, but the in place of lugs can only be made after winding electric wires.
  • the carcass carries connection terminals whose lug combines, in one piece, by itself connecting means external to internal connection means.
  • this terminal is largely protruding from the carcass, to the detriment of the overall size.
  • the present invention generally has for subject a provision to avoid these drawbacks.
  • a carcass for transformer of the kind comprising terminal blocks each suitable for establishing a terminal connection, with, engaged with at least one of these studs terminal block, for the constitution of such a terminal connection, a terminal, which comprises connection means internal, for the connection of an electric wire wound on its gutter, which combines, in one piece, with these means of internal connection, external connection means, for direct connection, by itself, of a conductor specific to the transformer service, characterized in that, in the general shape of an inverted U, the terminal presents a first jamb, by which it is force-fitted into a recess provided for this purpose in hollow on the terminal block that it equips, at the back of it, a middle part, which extends over this terminal block, and thanks to which intervene its external connection means, and a second leg, which is attached to the terminal block, and which includes its internal connection means.
  • the carcass according to the invention is equipped from the outset, and without its bulk being appreciably modified, of pods clean at the same time internal connection of wound wires and connection external of the transformer at its user.
  • the present invention also relates to all transformer whose carcass is thus equipped from the outset lugs suitable for both its internal connection and its external connection.
  • the carcass 10 is intended for the constitution of a transformer 11 comprising, overall, on the one hand, at least two electric wires 12A, 12B wound on this carcass 10, for the achievement of his primary and secondary, and, on the other hand, a magnetic circuit 13.
  • a channel 14 that is to say a tubular part, which is intended to receive, by winding, the electrical wires 12A, 12B, and which is specific to the engagement of the central jamb, not individualized in the figures, of the magnetic circuit 13, and, on the other hand, at the ends of this gutter 14, for the confinement of the electric wires 12A, 12B wound on it, two cheeks 15,
  • the section transverse of the channel 14 is generally rectangular.
  • the cheeks 15 themselves have a generally rectangular outline.
  • terminal blocks 16A, 16B each specific to the establishment a connection terminal 17A, 17B.
  • terminal blocks 16A, 16B are arranged in at least one row.
  • they are arranged in two rows, which intervene, each respectively, facing each other, at the ends of the channel 14, one of these rows comprising the studs 16A terminal block for internal and external connections of the primary of transformer 11, the other comprising the pads of 16B terminal block for internal and external connections of his secondary.
  • the terminal blocks 16A, 16B make projection on a console 18 which locally extends the gutter 14 beyond the corresponding cheek 15.
  • the 16A terminal blocks, 16B are separated two by two by slots 20 intended for the passage of the ends of the electric wire 12A, 12B corresponding.
  • each row two slots 20 are paired, being separated from each other by a partition 21.
  • One of the slots 20 thus paired is associated with the terminal block terminal 16A, 16B, while the other is associated with the terminal block stud 16A, 16B adjacent.
  • This provision which is part of the invention, allows both to avoid that the electric wire to which can match the terminal block stud 16A, 16B of the bank concerned does not passes outside the carcass at the risk of deviating from the core of the assembly and raise insulation issues, and, at the same time, that it does not pass in the same slot 20 as that in which is likely to pass the electric wire to which the adjacent terminal block 16A, 16B can correspond, again, at the risk of raising an insulation problem between the two electric wires then concerned.
  • the pairing of two slots 20 can also advantageously serve as foolproof.
  • terminal block stud 16A, 16B it also allows to visually isolate one of these terminal block studs 16A, 16B, in this case the terminal block stud 16A, Shore 16B, and, if desired, this terminal block 16A, shore 16B can be used to establish a terminal particular connection 17A, 17B, for example of a terminal ground connection 17A, 17B.
  • the terminal blocks 16A, 16B of the two rows are globally similar to each other, and they each have a overall external outline, generally parallelepiped, in all flush on the same level on their upper surface, and being each affected by a notch 19 to their part lower.
  • terminal blocks corresponding to the electric wire 12A wound first are terminal blocks corresponding to the electric wire 12A wound first.
  • the bottom of the slots 20 extends obliquely, away from the console 18 as it moves away from channel 14.
  • the studs of terminal block 16A, 16B are five in number for each row.
  • connection terminal 17A, 17B But it goes without saying that others are also likely to be fitted with such a connection terminal 17A, 17B.
  • connection terminal, 17B For the constitution of a 17A connection terminal, 17B, it is implemented, in engagement with the terminal block 16A, 16B corresponding, a terminal 24A, 24B comprising, according to arrangements described in more detail later, internal connection means 25A, 25B, for connection corresponding electrical wire 12A, 12B.
  • this terminal 24A, 24B combines, in one piece, to these internal connection means 25A, 25B, external connection means 26, for the direct connection, by itself, of an electrical conductor 27A, 27B specific to the transformer 11 service, such as shown schematically in broken lines in Figure 12, and, in form general of inverted U, it overall caps the stud terminal block 16A, 16B concerned.
  • This terminal 24A, 24B thus has a first leg 28, by which, in practice, it is force-fitted into a recess 29 provided for this purpose, hollow, pocket-like, on the terminal block 16A, 16B which it equips, at the rear of this one, a middle part 30, which extends over this stud terminal block 16A, 16B, and thanks to which the external connection means 26, and a second leg 32, which is backed by terminal block 16A, 16B, and which includes the internal connection means 25A, 25B.
  • the first leg 28 has a width less than that of the middle part 30.
  • the second jamb 32 has, overall, a height greater than that of first leg 28, and it comprises, successively, counting of the middle part 30, two sections, namely, a first section 32 ′, which, of height substantially equal to that of the first leg 28, extends over the entire width of the part median 30, and which is generally straight, and a second 32 "section, which is less wide than the previous one, gradually deviates from it, forming at its end a return 33 generally directed towards the outside.
  • these latching means comprise an elastically tab deformable 34, which, coming in one piece from the second leg 32, and, more precisely, of the section 32 ′ of this second leg 32, in favor of a punctured 35 thereof, extends obliquely towards the middle part 30, on the internal face of the leg 32, and which is caught on a shoulder 34 'provided for this purpose on the associated terminal block 16A, 16B.
  • connection means internal 25A of a 24A terminal are for example constituted by a simple pin specific to the winding of such an electric wire 12A, as shown in dashed lines in FIG. 7.
  • connection means 25A extend then generally longitudinally with respect to the second leg 32 of terminal 24A, towards the middle part 30 of it.
  • the internal connection means 25B of the terminal 24B can by example consist of a simple hook specific to the pinching of such an electric wire 12B, as shown in Figure 11.
  • connection means 25B extend then generally transversely to the second leg 32 of terminal 24B, and originally to facilitate the installation of the electric wire 12B, the hook which they form is widely open in V, as shown in Figure 10.
  • the external connection means 26 of a terminal 24A, 24B have, indifferently, on the part median 30 of such a terminal 24A, 24B, whether it is a 24A terminal associated with 16A terminal blocks or whether a terminal 24B associated with the terminal block studs 16B, a hole tapped 36, extended in practice by means of a thread 37, on the lower surface of this middle part 30, for the reception of a screw 38 suitable for tightening the conductor electric 27A, 27B to be connected.
  • they also include a clamping plate 39, which, intended to be inserted under the screw head 38, is perforated with a hole 40 for passage of the barrel of this one.
  • the studs terminal block 16A, 16B have recesses on their upper face a recess 42.
  • the terminals 24A, 24B are placed on the carcass 10 even before the electrical wires 12A are wound, 12B on channel 14 thereof, their anchoring on this carcass 10 allowing them to resist centrifugal force to which they are subjected during this winding.

Claims (15)

  1. Transformatorkörper mit Klemmenleistenklötzen (16A, 16B), die jeweils die Bildung einer Verbindungsklemme (17A, 17B) gestatten, mit einem mit mindestens einem dieser Klemmenleistenklötze (16A, 16B) in Eingriff befindlichen, zur Bildung einer solchen Verbindungsklemme (17A, 17B) dienenden Bügel (24A, 24B), der innere Anschlußmittel (25A, 25B) zum Anschluß eines auf dem rohrförmigen Teil (14) des Körpers aufgewickelten elektrischen Drahts (12A, 12B) aufweist und mit diesen inneren Anschlußmitteln (25A, 25B) einstükkig äußere Anschlußmittel (26) für den direkten, durch den Bügel selbst hergestellten Anschluß eines elektrischen Leiters (27A, 27B) für die Versorgung des betreffenden Transformators (11) kombiniert, dadurch gekennzeichnet, daß der Bügel (24A, 24B) die allgemeine Form eines umgekehrten U's hat und einen ersten Schenkel (28), mit dem er unter Kraftaufwendung in eine Aufnahme (29) eingesteckt ist, die zu diesem Zweck auf dem mit dem Bügel bestückten Klemmenleistenklotz (16A, 16B) vertieft vorgesehen ist, hinter diesem einen Mittelteil (30), der sich auf diesem Klemmenleistenklotz (16A, 16B) erstreckt und auf dem seine äußeren Anschlußmittel (26) vorgesehen sind, und einen zweiten Schenkel (32) aufweist, der an den Klemmenleistenklotz (16A, 16B) angelehnt ist und der seine inneren Anschlußmittel (25A, 25B) aufweist.
  2. Körper nach Anspruch 1, dadurch gekennzeichnet, daß die inneren Anschlußmittel (25A) eines Bügels (24A) aus einem einfachen Finger bestehen, der das Aufrollen des anzuschließenden elektrischen Drahts (12A) gestattet.
  3. Körper nach Anspruch 1, dadurch gekennzeichnet, daß die inneren Anschlußmittel (25B) eines Bügels (24B) aus einem einfachen Haken bestehen, der das Festklemmen des anzuschließenden elektrischen Drahts (12B) gestattet.
  4. Körper nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die äußeren Anschlußmittel (26) eines Bügels (24A, 24B) eine Gewindebohrung (36) zur Aufnahme einer Schraube (38) aufweisen, die das Festklemmen des anzuschließenden elektrischen Leiters (27A, 27B) gestattet.
  5. Körper nach Anspruch 4, dadurch gekennzeichnet, daß die äußeren Anschlußmittel (26) eines Bügels (24A, 24B) außerdem eine Klemmplatte (39) aufweisen.
  6. Körper nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß die inneren Anschlußmittel (25A, 25B) eines Bügels (24A, 24B) am Ende einer Abwinklung (33) seines global nach außen gerichteten zweiten Schenkels (32) angeordnet sind.
  7. Körper nach Anspruch 6, dadurch gekennzeichnet, daß die inneren Anschlußmittel (25A) eines Bügels (24A), wenn es sich um einen Finger handelt, sich global bezüglich seines zweiten Schenkels (32) in Längsrichtung in Richtung seines Mittelteils (30) erstrecken.
  8. Körper nach Anspruch 6, dadurch gekennzeichnet, daß die inneren Anschlußmittel (25B) eines Bügels (24B), wenn es sich um einen Haken handelt, sich global quer zum zweiten Schenkel (32) erstrecken.
  9. Körper nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der zweite Schenkel (32) eines Bügels (24A, 24B) global eine größere Höhe als sein erster Schenkel (28) hat.
  10. Körper nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der erste Schenkel (28) eines Bügels (24A, 24B) für seine Verankerung in der Aufnahme (29), in die er eingesteckt ist, gezahnt ist.
  11. Körper nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß zur Verspreizung eines Bügels (24A, 24B) auf dem mit ihm bestückten Klemmenleistenklotz (16A, 16B) Einrastmittel (34, 34') zwischen seinem zweiten Schenkel (32) und diesem Klemmenleistenklotz (16A, 16B) vorgesehen sind.
  12. Körper nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß, wenn die Klemmenleistenklötze (16A, 16B) gemäß mindestens einer Reihe angeordnet sind, indem sie paarweise durch Schlitze (20) getrennt sind, mindestens manche von ihnen seitlich von einer Wand (22) flankiert sind, die sich bis zum Boden des entsprechenden Schlitzes (20) erstreckt.
  13. Körper nach Anspruch 12, dadurch gekennzeichnet, daß, wenn die Klemmenleistenklötze (16A, 16B) gemäß zwei Reihen angeordnet sind, die jeweils an den Enden seines rohrförmigen Teils (14) angeordnet sind, nur die Klemmenleistenklötze (16A) einer dieser Reihen seitlich von einer Wand (22) flankiert sind.
  14. Körper nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß, wenn die Klemmenleistenklötze (16A, 16B) gemäß mindestens einer Reihe angeordnet sind, indem sie paarweise durch Schlitze (20) getrennt sind, an einem der Enden einer solchen Reihe zwei Schlitze (20) nebeneinander angeordnet sind.
  15. Transformator, auf dessen Körper (10) mindestens zwei elektrische Drähte (12A, 12B) aufgewickelt sind, dadurch gekennzeichnet, daß der Körper (10) gemäß einem der Ansprüche 1 bis 14 ausgebildet ist.
EP19960401415 1995-06-30 1996-06-26 Spulenkörper für Transformator und Transformator mit einem solchen Spulenkörper Expired - Lifetime EP0751540B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9507898A FR2736199B1 (fr) 1995-06-30 1995-06-30 Carcasse pour transformateur, et transformateur comportant une telle carcasse
FR9507898 1995-06-30

Publications (2)

Publication Number Publication Date
EP0751540A1 EP0751540A1 (de) 1997-01-02
EP0751540B1 true EP0751540B1 (de) 2000-04-12

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EP19960401415 Expired - Lifetime EP0751540B1 (de) 1995-06-30 1996-06-26 Spulenkörper für Transformator und Transformator mit einem solchen Spulenkörper

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EP (1) EP0751540B1 (de)
DE (1) DE69607682T2 (de)
FR (1) FR2736199B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1713097A1 (de) 2005-04-11 2006-10-18 Murr-Elektronik Gesellschaft mit beschränkter Haftung Anschlussklemme an einem Spulenkörper eines Transformators

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU740436B2 (en) * 1997-03-25 2001-11-01 Atco Controls Pty. Ltd. A transformer
FR2871287B1 (fr) * 2004-06-04 2007-02-09 Schneider Electric Ind Sas Transformateur a bornes simplifiees
CN104682722B (zh) 2013-11-26 2018-01-26 台达电子企业管理（上海）有限公司 电源转换装置及其组装方法
CN104684293B (zh) * 2013-11-26 2017-10-27 台达电子企业管理（上海）有限公司 电子装置，外壳与绕线筒架
CN104682457B (zh) 2013-11-26 2017-08-29 台达电子企业管理（上海）有限公司 电子装置及汽车的充电装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2148534A1 (de) * 1971-09-29 1973-04-05 Plathner Ernst Transformatoren Anschlussfahne fuer transformatoren, drosseln od. dgl
US3800172A (en) * 1972-11-10 1974-03-26 Oster J Mfg Co Hair clipper having blade illumination and field wire strain relief
US4040700A (en) * 1976-02-24 1977-08-09 Amerace Corporation Electrical terminating device
DE3148902A1 (de) * 1981-12-10 1983-06-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Automatengerechter spulenkoerper
DE3312513A1 (de) * 1982-11-05 1984-10-11 Gebrüder Frei GmbH & Co KG, 7470 Albstadt Transformator
DE3910750C3 (de) * 1989-04-03 2002-11-07 Norbert Weiner Anschlußvorrichtung für ein elektronisches Bauelement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1713097A1 (de) 2005-04-11 2006-10-18 Murr-Elektronik Gesellschaft mit beschränkter Haftung Anschlussklemme an einem Spulenkörper eines Transformators

Also Published As

Publication number Publication date
EP0751540A1 (de) 1997-01-02
DE69607682D1 (de) 2000-05-18
FR2736199A1 (fr) 1997-01-03
DE69607682T2 (de) 2000-08-10
FR2736199B1 (fr) 1997-09-05

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