EP0068925B1 - Anschlussklemme, insbesondere für Transformator - Google Patents

Anschlussklemme, insbesondere für Transformator Download PDF

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Publication number
EP0068925B1
EP0068925B1 EP82400976A EP82400976A EP0068925B1 EP 0068925 B1 EP0068925 B1 EP 0068925B1 EP 82400976 A EP82400976 A EP 82400976A EP 82400976 A EP82400976 A EP 82400976A EP 0068925 B1 EP0068925 B1 EP 0068925B1
Authority
EP
European Patent Office
Prior art keywords
support body
connection terminal
cover
terminal according
active metal
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
Application number
EP82400976A
Other languages
English (en)
French (fr)
Other versions
EP0068925A1 (de
Inventor
Jean-Louis Chauveau
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 Deri SA
Original Assignee
Legrand Deri SA
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 Legrand Deri SA filed Critical Legrand Deri SA
Priority to AT82400976T priority Critical patent/ATE21587T1/de
Publication of EP0068925A1 publication Critical patent/EP0068925A1/de
Application granted granted Critical
Publication of EP0068925B1 publication Critical patent/EP0068925B1/de
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
    • 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
    • H01R9/2408—Modular blocks
    • 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
    • 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
    • H01R4/70—Insulation of connections

Definitions

  • connection terminals relate generally to the connection terminals, and more particularly relates to those of these connection terminals which comprise a support body made of insulating material, an active part made of metal suitable for being attached to such a support body, side insulating cheeks suitable for separating said support body from that of a neighboring connection terminal, and a cover suitable for being attached to the support body to confine the volume in which said active metal part is implanted.
  • connection terminals are not, for example, implemented for the equipment of transformers, and in particular of bare transformers intended to be fixed by a soleplate in any cabinet for electrical equipment.
  • transformers usually have, on each of two opposite faces, on the side opposite to their sole, a strip on which is adapted to be attached by engagement the support body of their connection terminals, such a support body having this effect a base forming an ear suitable for such engagement.
  • connection terminals of the type concerned known to date have various drawbacks.
  • the lateral insulation cheeks which are necessary to have, from a connection terminal to an adjacent connection terminal, a creepage distance of sufficient length to meet the standards in the matter, usually belong to it. support body.
  • the lateral insulation cheeks thus present on the support body inevitably form a discomfort when it comes to soldering a connection wire to the active metal part, since they extend on either side of the tab that this active part has for such a weld and that they therefore limit access to this tab.
  • the tongue in question of the active metal part which is not involved in the estimation of the line of flight, usually extends directly obliquely from the sole of this active part in contact with which can be tightened by a screw a conductor, so that the side insulation cheeks framing this tab, and therefore the whole of the connection terminal, largely protrude laterally on the transformer thus equipped.
  • connection terminals of the type concerned known to date usually project more widely laterally than at height on such transformers.
  • connection terminals If such a lateral projection of these connection terminals is relatively inconvenient when the fixing plate of the transformers concerned is itself relatively large, it is not the same when, for reasons of space, and in particular to reduce the influence of such transformers, their fixing base has only a reduced extent.
  • connection terminals fitted to these transformers can then protrude out of the overall volume thereof, and. thus, be particularly sensitive to shocks and increase the overall size of the assembly.
  • connection terminals of the type concerned known to date and taking into account the lateral projecting configuration of these with respect to the transformers which they equip, provision is not made, for connection of a conductor, an inlet passage, the latter being usually established on the front wall of the cover of such connection terminals.
  • the present invention generally relates to a connection terminal, in particular for a transformer, which does not have the disadvantages succinctly set out above.
  • connection terminal in particular for a transformer, of the kind comprising a support body made of insulating material, an active part made of metal suitable for being attached to such a support body and having a tab for welding of a connection wire, side insulating cheeks suitable for separating said support body from that of a neighboring connection terminal, and a clean cover to be attached to the support body to confine the volume in which is implanted the active part in metal, and which is characterized in that the support body is reduced to a base, forming an ear, for its engagement on a strip, and to a plate, for support of the active part in metal, the cheeks side insulation fully belonging to the single cover.
  • the active metal part comprises, between the support sole and the welding tongue, an intermediate section, and this extends substantially perpendicular to said support sole.
  • the intermediate section of the active part passes through a passage formed for this purpose in the support body, so that, the welding tab being thus separated from this support sole by a part of this support body, the welding of which it must be the object can be practiced without risk of any incidence on this support sole.
  • the part in question of the support body which forms a plate, and which extends in overhang from a base forming a proper ear for the engagement of said support body on the strip of the transformer concerned, is, the conditions being equal, offset upwards relative to its position in the embodiments of this type known to date, this plate s extending substantially according to the invention at least at level with the upper part of the opening of said ear.
  • the welding tab of the active metal part easily finds its place between this plate and the corresponding cheek of the carcass of the underlying electrical circuit, without interference with this cheek.
  • connection terminal according to this embodiment of the invention with respect to the transformer which it equips extends more upwards than laterally, while being particularly compact and space-saving.
  • connection terminal according to this embodiment of the invention is thereby facilitated, the environment upwards being usually less congested than laterally, in particular for adjacent transformers.
  • advantage is taken of this arrangement to provide the connection terminal with two inlet passages.
  • connection terminal is therefore further characterized in that, an inlet passage being provided in the usual manner on the front wall of the cover for access to the active metal part, another passage d entry is further provided for the same purpose on the rear wall of this cover.
  • connection of a conductor can thus be made either from the front or from the rear, which gives the connection terminal according to this embodiment of the invention great flexibility of use.
  • connection terminal 10 comprises, overall, a support body 11, which is made of insulating material, and which is suitable for being attached to any apparatus to be fitted, and for example on a transformer 12, FIG.
  • an active part 14 which is made of metal, and which is suitable for being attached to such a support body 11, two lateral insulating cheeks 15, which are made of insulating material, and which, parallel to each other, are clean separating said support body 11 from that of a neighboring connection terminal 10, and a cover 17, which is made of insulating material, and which is capable of being attached to the support body 11 to confine the volume in which is implanted the active metal part 14.
  • the support body 11 comprises a base 18, forming an ear, for its engagement on a strip 13, and a plate 19, for support of the active metal part 14.
  • the opening 20 of the ear formed by the base 18 has, generally in cross section, a rectangular outline, like that of the strip 13.
  • this opening 20 has, at its upper part, an upward extension 21.
  • Such an extension allows a substantially constant thickness of material to remain around the opening 20, which is favorable to good molding conditions for the support body 11.
  • the ear formed by the base 18 of the support body 11 has at least one projection 25.
  • this projection 25 which is in the form of a rib running along the entire length of the base 18, is established on the internal face of the rear wall 23 thereof.
  • the plate 19 of the support body 11 extends in overhang from the base 18 of this one.
  • the plate 19, which is substantially square with the base 18, extends substantially at least at level with the upper part of the opening 20 of the ear that forms the base 18.
  • this plate 19 comprises, in its central zone, a recess 27.
  • the active part 14 comprises, overall, a support sole 28, by which it is adapted to bear on the plate 19 of the support body 11, and with which are associated, for clamping any conductor to be connected, a clamping plate 29 and a clamping screw 30 capable of urging the latter towards the support plate 28, and an oblique welding tongue 32, by which it is adapted, by welding, to be connected to a wire belonging to the electrical circuit of transformer 12.
  • the active metal part 14 between its support flange 28 and its welding tongue 32, the active metal part 14 further comprises an intermediate section 33.
  • this intermediate section 33 extends substantially perpendicular to the support sole 28 and passes through a passage 34 provided for this purpose in the plate 19 of the support body 11, said passage 34 forming an extension of the recess 27 of this plate 19.
  • the obliquity of the welding tongue 32 is relatively reduced.
  • the intermediate section 33 of the active metal part 14 has notches 36, which allow it to snap onto the plate 19 of the support body 11, the latter having, in a complementary manner, at the corresponding ends of its passage 34, opposing support shoulders 37.
  • the lateral insulation cheeks 15 belong to the cover 17, and form an integral part of the latter, the assembly having come in one piece, for example by molding.
  • the cover 17 has a parallelepiped outline.
  • the two lateral insulation cheeks 15 which form the side walls, it has an upper wall 39, a front wall 40, and a rear wall 41.
  • an opening 42 for access to the clamping screw 30 of the active metal part 14, and this opening 42 is. internally extends by a well 43 forming, at its lower part, a housing 44 suitable for making said clamping screw 30 captive.
  • a groove 45 is, moreover, provided in hollow on the upper wall 39 of the cover 17, for fitting an identification label if desired.
  • this rear wall 41 is of a height less than that of the front wall 40, a notch 49 formed at its base.
  • sliding engagement means are provided, which comprise at least one rib 51 projecting from any of the cover parts 17-18, a support body 11, for cooperation with a complementary groove 52 provided for this purpose on the other of these.
  • two pairs of rib 51 and groove 52 are provided, which each extend respectively on two opposite faces of the cover 17 and of the support body 11.
  • the ribs 51 are formed projecting from the lateral faces of the plate 19 of the support body 11, and, jointly, the corresponding grooves 52 are formed in hollow on the internal faces of the cheeks. insulation 15 forming the side walls of the cover 17, said grooves 52 and said ribs 51 extending substantially perpendicular to said plate 19.
  • interlocking means which comprise at least one lip 54 projecting from any of the cover parts 17 - support body 11 for cooperation with a complementary rebate 55 provided for this purpose on the other of these.
  • such interlocking means are provided on two opposite faces of the cover 17 and of the support body 11, together with the preceding sliding engagement means.
  • these interlocking means and these sliding engagement means are jointly provided on at least one same face, and in practice on two same opposite faces of the cover 17 and of the support body 11.
  • the lips 54 protrude rearward on the corresponding edge of the insulating cheeks 15 forming the side walls of the cover 17, and the associated rabbets 55 are formed laterally on the support body 11, between , on the one hand, the plate 19 thereof, and, on the other hand, flanges 56 extending parallel to the latter the edges of the associated base 18.
  • the bottom of the rebates 55 and the corresponding edge of the ribs 51 thus provided together on the lateral faces of the support body 11 form opposite parallel shoulders.
  • such latching means are provided not only on the front part of the support body 11, but also on the rear part thereof.
  • a notch 58 which, projecting from the front edge of the plate 19 which this support body includes 11, is intended to cooperate by snap-fastening with a housing 59 provided for this purpose. on the front face 40 of the cover 17, below the opening 47 thereof.
  • the latching means provided according to the invention operate generally on the same faces of this support body 11 and of the cover 17 as the sliding engagement means and the associated interlocking means .
  • retaining notches 61 are formed by the edges of openings 62 formed in a console 63 which has the support body 11 projecting from its base 18, at the upper part thereof, in the direction opposite to its plate 19, figure 3.
  • the active metal part 14 is attached to the support body 11, by engagement of its intermediate section 33 in the passage 34 of the plate 19 thereof.
  • the recess 27 of this plate 19 allows such a positioning of the active metal part 14, on the one hand, by allowing the penetration of the clamping screw 30, and on the other hand by authorizing the passage of the welding tab 32.
  • the support body 11 is attached, through the opening 20 of the ear formed by its base 18, to the strip 13 concerned of the transformer 12 to be fitted.
  • the positioning of the active metal part 14 on the support body 11 can be done after the engagement of the latter on such a strip 13.
  • the cover 17 is attached to the support body 11.
  • the tongue 58 of the support body 11 engages in the housing 59 provided for it in the cover 17, and jointly, the hooks 60 of the latter come into engagement with the notches retaining 61 provided for them on the support body 11.
  • connection terminal 10 according to the invention is therefore ready to be used.
  • connection of any conductor 48 to such a connection terminal can advantageously be made from the front or from the rear, by the inlet passages 47 and 49 provided for this purpose. on the cover 17, as specified above.
  • ribs and grooves on the one hand, and tongues and rebates, on the other hand, can be inverted from the support body to the cover, and vice versa.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Cable Accessories (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (17)

1. Anschlußklemme, insbesondere für Transformator, mit einem Tragkörper (11) aus Isoliermaterial, mit einem aktiven Teil (14) aus Metall zum Aufstecken auf einen derartigen Tragkörper (11), das eine Zunge (32) zum Anschweißen einer Zweigleitung aufweist, mit isolierenden Seitenteilen (15) zum Trennen des Tragkörpers (11) von dem einer benachbarten Anschlußklemme, und mit einer Abdeckung (17) zum Aufstecken auf den Tragkörper (11) zum Umschließen des Raumes, in welchem das aktive Teil (14) aus Metall eingesetzt ist, dadurch gekennzeichnet, daß der Tragkörper zu einem Ansatz (18), der eine Klammer bildet für einen Eingriff auf einer Leiste (13), und zu einer Platine (19) zum Abstützen des aktiven Teils (14) aus Metall zuläuft, und daß die isolierenden Seitenteile (15) Bestandteil der Abdeckung (17) sind.
2. Klemme nach Anspruch 1, dadurch gekennzeichnet, daß zwischen der Abdeckung (17) und dem Tragkörper (11) eine Einrichtung für eine Gleitverbindung vorgesehen ist.
3. Klemme nach Anspruch 2, dadurch gekennzeichnet, daß die Einrichtung für die Gleitverbindung wenigstens eine Rippe (51) aufweist, die an einem der Teile Abdeckung (17) oder Tragkörper (11) vorsteht, um mit einer Nut (52) zusammenzuwirken, die komplementär dazu an dem jeweils anderen dieser Teile ausgebildet ist.
4. Klemme nach Anspruch 3, wobei der Tragkörper (11) eine Platine (19) zum Abstützen des aktiven Teils (14) aus Metall aufweist, dadurch gekennzeichnet, daß die Rippe (51) und die Nut (52) sich etwa senkrecht zu der Platine erstrecken.
5. Klemme nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß zwischen der Abdeckung (17) und dem Tragkörper (11) außerdem eine Steckeinrichtung vorgesehen ist, welche wenigstens eine Lippe (54), die an einem der Teile Abdeckung (17) oder Tragkörper (11) vorsteht, aufweist, um mit einer Fuge (55), die komplementär dazu an dem jeweils anderen dieser Teile ausgebildet ist, zusammenzuwirken.
6. Klemme nach den Ansprüchen 2 und 5, dadurch gekennzeichnet, daß die Einrichtung für die Gleitverbindung und die Steckeinrichtung gemeinsam wenigstens auf der gleichen Seite der Abdeckung (17) und des Tragkörpers (11) vorgesehen sind.
7. Klemme nach Anspruch 6, dadurch gekennzeichnet, daß die Einrichtung für die Gleitverbindung und die Steckeinrichtung zusammen an beiden sich gegenüberliegenden Seiten der Abdeckung (17) und des Tragkörpers (11) vorgesehen sind.
8. Klemme nach Anspruch 1 oder 2. wobei eine Sperreinrichtung zwischen der Abdeckung (17) und dem Tragkörper (11) vorgesehen ist, dadurch gekennzeichnet, daß eine derartige Sperreinrichtung nicht nur an dem vorderen Teil des Tragkörpers (11) sondern auch an dem hinteren Teil des Tragkörpers vorgesehen ist.
9. Klemmen nach Anspruch 7 und 8, dadurch gekennzeichnet, daß die Sperreinrichtung, die an dem hinteren Teil des Tragkörpers (11) vorgesehen ist, auf der gleichen Seite des Tragkörpers (11) und der Abdeckung (17) einwirkt, wie die zugehörige Einrichtung für die Gleitverbindung und die Steckeinrichtung.
10. Klemme nach Anspruch 8 oder 9; dadurch gekennzeichnet, daß die Sperreinrichtung, die an dem hinteren Teil des Tragkörpers (11) vorgesehen ist, wenigstens einen elastisch verformbaren Haken (60) aufweist, der von der Abdeckung (17) vorsteht, um mit einer Rastkerbe (61) zusammenzuwirken, die dazu an dem Tragkörper (11) ausgebildet ist.
11. Klemme nach einem der Ansprüche 1 bis 10, wobei eine Eintrittsöffnung (47) an der vorderen Seitenwand (40) der Abdeckung (17) für den Zugang zu dem aktiven Teil (14) aus Metall vorgesehen ist, dadurch gekennzeichnet, daß eine Eintrittsöffnung (49) außerdem an der hinteren Seitenwand (41) der Abdeckung (17) vorgesehen ist.
12. Klemme nach einem der Ansprüche 1 bis 11, wobei der Tragkörper (11) einen Ansatz (18), der eine Klammer bildet für einen Eingriff auf einer Leiste (13), und eine Platine (19) zum Abstützen des aktiven Teils (14) aus Metall aufweist, dadurch gekennzeichnet, daß das aktive Teil (14) sich etwa wenigstens in Höhe des oberen Bereichs der Öffnung (20) der Klammer erstreckt.
13. Klemme nach einem der Ansprüche 1 bis 12, wobei der Tragkörper (11) einen Ansatz (18) aufweist, der eine Klammer für einen Eingriff auf einer Leiste (13) bildet, dadurch gekennzeichnet, daß der obere Teil der Öffnung (20) der Klammer eine nach oben hingerichtete Verlängerung (21) aufweist.
14. Klemme nach einem der Ansprüche 1 bis 13, wobei der Tragkörper (11) einen Ansatz (18) aufweist, der eine Klammer für einen Eingriff auf einer Leiste (13) bildet, dadurch gekennzeichnet, daß wenigstens eine der inneren Flächen der Klammer wenigstens einen Vorsprung (25) aufweist.
15. Klemme nach einem der Ansprüche 1 bis 14, wobei der Tragkörper (11) einen Ansatz (18), der eine Klammer für einen Eingriff auf einer Leiste (13) bildet, und eine Platine (19) zum Abstützen des aktiven Teils (14) aus Metall aufweist, dadurch gekennzeichnet, daß die Platine (19) sich freitragend von dem Ansatz (18) aus erstreckt.
16. Klemme nach einem der Ansprüche 1 bis 15, wobei das aktive Teil (14) aus Metall einen Sitz (28) zur Auflage auf dem Tragkörper (11) aufweist, dadurch gekennzeichnet, daß das aktive Teil (14) aus Metall zwischen dem Sitz (28) und der Zunge (32) einen Zwischenabschnitt (33) aufweist, welcher sich beispielsweise im wesentlichen senkrecht zu dem Sitz (28) erstreckt.
17. Klemme nach Anspruch 16, dadurch gekennzeichnet, daß der Zwischenabschnitt (33) des aktiven Teils (14) aus Metall durch einen Durchgang (34) verläuft, der dazu in dem Tragkörper (11) ausgebildet ist.
EP82400976A 1981-06-12 1982-05-26 Anschlussklemme, insbesondere für Transformator Expired EP0068925B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82400976T ATE21587T1 (de) 1981-06-12 1982-05-26 Anschlussklemme, insbesondere fuer transformator.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8111594 1981-06-12
FR8111594A FR2507828A1 (fr) 1981-06-12 1981-06-12 Borne de connexion, notamment pour transformateur

Publications (2)

Publication Number Publication Date
EP0068925A1 EP0068925A1 (de) 1983-01-05
EP0068925B1 true EP0068925B1 (de) 1986-08-20

Family

ID=9259447

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82400976A Expired EP0068925B1 (de) 1981-06-12 1982-05-26 Anschlussklemme, insbesondere für Transformator

Country Status (4)

Country Link
EP (1) EP0068925B1 (de)
AT (1) ATE21587T1 (de)
DE (1) DE3272704D1 (de)
FR (1) FR2507828A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3245758A1 (de) * 1982-12-10 1984-06-14 Klöckner-Moeller Elektrizitäts GmbH, 5300 Bonn Anschlussvorrichtung fuer elektrische leiter
FR2620578B1 (fr) * 1987-09-11 1990-01-05 Telemecanique Electrique Dispositif de raccordement electrique pour borne d'appareil electrique, disjoncteur ainsi equipe, et ensemble de constituants s'y rapportant
GB2222033B (en) * 1988-08-17 1992-08-12 Acer Inc Improvements relating to electrical switches
FR2757688B1 (fr) * 1996-12-20 1999-01-29 Mecelec Ind Connecteur de raccordement electrique d'un cable a une barre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2036039A (en) * 1933-06-05 1936-03-31 Superior Switchboard & Devices Safety connection and test block
US2636065A (en) * 1950-07-01 1953-04-21 Cons Vultee Aircraft Corp Insulating sheath for terminal post
US3354422A (en) * 1965-08-06 1967-11-21 Edwards Company Inc Terminal bushing assembly

Also Published As

Publication number Publication date
ATE21587T1 (de) 1986-09-15
FR2507828A1 (fr) 1982-12-17
EP0068925A1 (de) 1983-01-05
FR2507828B1 (de) 1983-12-02
DE3272704D1 (en) 1986-09-25

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