EP0800192A1 - Elektrisches Gerät mit einem Schütz mit einer Aufnahmevorrichtung für ein Schutzmodul und Schutzmodul - Google Patents

Elektrisches Gerät mit einem Schütz mit einer Aufnahmevorrichtung für ein Schutzmodul und Schutzmodul Download PDF

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Publication number
EP0800192A1
EP0800192A1 EP97400677A EP97400677A EP0800192A1 EP 0800192 A1 EP0800192 A1 EP 0800192A1 EP 97400677 A EP97400677 A EP 97400677A EP 97400677 A EP97400677 A EP 97400677A EP 0800192 A1 EP0800192 A1 EP 0800192A1
Authority
EP
European Patent Office
Prior art keywords
protection module
contactor
housing
feet
electrical device
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.)
Granted
Application number
EP97400677A
Other languages
English (en)
French (fr)
Other versions
EP0800192B1 (de
Inventor
Alain Portier
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.)
ABB Control SA
Original Assignee
ABB Control 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 ABB Control SA filed Critical ABB Control SA
Publication of EP0800192A1 publication Critical patent/EP0800192A1/de
Application granted granted Critical
Publication of EP0800192B1 publication Critical patent/EP0800192B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit

Definitions

  • the present invention relates to an electrical device comprising a contactor shaped so as to be able to receive on its base a protection module against overvoltage and a protection module.
  • such a overvoltage protection module is coupled to a contactor either to protect the coil of the contactor against external overvoltages which can be generated between its terminals, or to protect the electronic devices placed near the contactor against parasites generated by the electromagnet operations.
  • These protection modules are usually mounted on the contactors after wiring and putting them into service, when the need arises.
  • This solution also has the disadvantage of occupying a large part of the space available at the level of the contacts.
  • FR 2 631 738 proposes a module consisting of two parallelepipedic portions connected by a flat portion of small thickness.
  • the two parallelepipedic portions are intended to be arranged in cavities formed for this purpose on either side of the front face of the contactor in the vicinity of the terminals thereof while the planar portion is positioned against said front face of the contactor.
  • the protection module positioned on the contactor then extends beyond this front face of the contactor. It can advantageously be put in place or removed without requiring the displacement of neighboring contactors.
  • the main disadvantage of this arrangement is that when the module is positioned on the contactor, its two parallelepipedic portions are arranged in the channels allowing access to the fixing screws of said contactor, which makes it necessary to dismantle the protection module. when the contactor has to be moved.
  • the present invention therefore tends to provide an apparatus comprising a contactor and a protection module designed in such a way that it is always easy to mount or dismount the protection module, the presence of this module not disturbing the interventions to be carried out on this. contactor.
  • the invention provides an electrical device of the type comprising a contactor having a housing for the installation of a protection module and a protection module, said contactor comprising a base on which the various electrical elements are mounted. component and having feet located at the four corners of its rear face for the installation of fixing screws, the space present above said feet being left free to allow access to the fixing screws, said housing being provided on one of the walls of said contactor, and said protection module being shaped so that the assembly formed by the contactor and the protection module which it carries does not exceed the volume defined upwards from the feet and leaves free the space above said feet necessary for access to the fixing screws, characterized in that said housing extends over the entire width of the wall of the base, the module d e protection being capable of being put in place, or extracted, by gripping on its side faces.
  • the contactor comprises a base 10 in which are mounted the various electrical elements composing it, mainly a coil and an electromagnet and an upper part 1 carrying the contacts.
  • the contactor can be put in place in an electrical assembly either by being positioned on a rail by the opening 11, or by being fixed by screws passing through the holes 12 provided in the feet 13 located at the four corners of the rear face of the base 10.
  • the space present above the feet 13 is left free in order to allow a tool access to said fixing screws.
  • the pads 14 allowing the electrical connections to be made are arranged on the front face of two lateral arms 15 arranged on either side of a central protuberance 17 of the upper face of the base 10.
  • the protrusion 17 extends forward relative to the upper wall 18 of the base while remaining in the volume defined upwards from the feet 13, considering these as the four corners of a base support.
  • a thin wall 19 connects the feet 13.
  • the upper face of the protuberance 17 and the free edge of the wall 19 are in the same horizontal plane at most disposed along the support base.
  • pins 20 Two electrical contacts formed by pins 20 connected to the electrical connections 14 of the coil extend into the slots 16. These pins are visible in FIG. 1, in which a partial cut-out has been made to better see the pin located right in this figure.
  • These pins are arranged at a distance from the openings of the slots 16 directed upwards and forwards so as to avoid any risk of untimely contact during interventions on the electrical assembly.
  • the protuberance 17 has a notch 21 directed towards the wall 19.
  • the wall 19 has two openings 22 arranged near the front wall 18. For reasons of molding facilities, these openings 22 are open in the embodiment shown in the drawing.
  • the conformation of the contactor which has just been described makes it possible to reserve in the volume of the contactor, a free space between the protuberance 17 and the wall 19.
  • This free space constitutes a housing for the installation of the protection module 3, said housing extending over the entire width of the wall of the base, here the upper face.
  • the protection module 3 intended to be mounted on the contactor described above has a housing 30 of width equal to the free space in the transverse direction of the contactor between the feet 13, of height a little less than the space separating the protrusion 17 of the wall 19 and of thickness equal to the distance separating the front wall 18 from the base of the front of the protrusion 17.
  • This housing 30 is surmounted by two vertical arms 31 disposed above said housing and on either side thereof.
  • the housing 30 is thus intended to be positioned between the protuberance 17 and the wall 19 without exceeding the volume defined upwards by the feet.
  • the lateral faces 37 of the housing 30 are disposed between the feet 13 of the contactor and go up towards the vertical arms 31 which allows the housing not to encroach on the space left free above said feet to on the one hand leave the access to the fixing screws, and on the other hand allow the protection module to be grasped by its lateral faces.
  • the arms 31 are for their part intended to be positioned in the slots 16.
  • Each arm 31 carries a contact tab 32 connected to the electrical elements arranged in the housing 30 and intended to be positioned against a pin 20 to establish the electrical connection between the protection module 3 and the coil of the contactor.
  • Means for attaching the protection module 3 to the contactor are provided between the upper 35 and lower 36 faces of the module and the protuberance 17 and the wall 19 respectively.
  • a flexible tongue 33 intended to cooperate with the notch 21 of the protuberance 17 is provided on the face upper 35 of the housing 30 disposed between the arms 31. This tongue can be removed by pressing in the direction of the arrow A (FIG. 1).
  • Two pins 34 intended to cooperate with the openings 22 in the wall 19 are formed on the underside 36 of the housing 30.
  • the arms 31 are inserted into the slots 16 and the tongue 33 into the notch 21.
  • the module is pulled upwards so as to erase the tab 33 while it is tilted so as to bring the face 36 of the housing above the wall 19.
  • the module is then allowed to descend again until it is in abutment on the wall 19 while the lugs 34 penetrate into the openings 22.
  • the protection module is thus applied against the side wall 18 of the contactor while being able to be grasped by its side faces 37.
  • the wall 19 may be located at another level than in the drawings and the protuberance 17 may be of greater or lesser thickness.
  • the protection module can be manufactured in a simple and economical manner by forming the housing 30 and the tabs 31 in a piece of hollow plastic material obtained by molding. In this hollow part, there is the electrical circuit which must compose it provided with the contact tabs 32, then this circuit is drowned in a hardening resin which ensures the maintenance of the components and their resistance to shocks and vibrations.
  • the front face of the hollow part is thus closed by the resin.
  • This front face is arranged against the contactor and not visible from the outside, which dispenses with a particular finish.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Casings For Electric Apparatus (AREA)
EP19970400677 1996-04-03 1997-03-26 Elektrisches Gerät mit einem Schütz mit einer Aufnahmevorrichtung für ein Schutzmodul und Schutzmodul Expired - Lifetime EP0800192B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9604162A FR2747231B1 (fr) 1996-04-03 1996-04-03 Appareil electrique du type comportant un contacteur presentant un logement pour la mise en place d'un module de protection et un module de protection
FR9604162 1996-04-03

Publications (2)

Publication Number Publication Date
EP0800192A1 true EP0800192A1 (de) 1997-10-08
EP0800192B1 EP0800192B1 (de) 1999-11-10

Family

ID=9490852

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970400677 Expired - Lifetime EP0800192B1 (de) 1996-04-03 1997-03-26 Elektrisches Gerät mit einem Schütz mit einer Aufnahmevorrichtung für ein Schutzmodul und Schutzmodul

Country Status (5)

Country Link
EP (1) EP0800192B1 (de)
CN (1) CN1118080C (de)
DE (1) DE69700762T2 (de)
ES (1) ES2141585T3 (de)
FR (1) FR2747231B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6243250B1 (en) 1998-04-20 2001-06-05 Krone Gmbh Electrical connector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102412083A (zh) * 2010-09-20 2012-04-11 西门子公司 一种用于隔离开关插入单元的侧板装置及其插入单元

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0198099A1 (de) * 1985-04-15 1986-10-22 Square D Company (Deutschland) Gmbh Schütz, insbesondere Hilfs- oder Motorschütz
DE8628267U1 (de) * 1986-10-23 1987-02-12 Murr-Elektronik Gmbh, 7155 Oppenweiler Anbaugehäuse
GB2218849A (en) * 1988-05-20 1989-11-22 Telemecanique Electrique A protection module for contact - maker electromagnet
EP0354575A2 (de) * 1988-08-10 1990-02-14 Fuji Electric Co., Ltd. Elektromagnetischer Schütz

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0198099A1 (de) * 1985-04-15 1986-10-22 Square D Company (Deutschland) Gmbh Schütz, insbesondere Hilfs- oder Motorschütz
DE8628267U1 (de) * 1986-10-23 1987-02-12 Murr-Elektronik Gmbh, 7155 Oppenweiler Anbaugehäuse
GB2218849A (en) * 1988-05-20 1989-11-22 Telemecanique Electrique A protection module for contact - maker electromagnet
FR2631738A1 (fr) * 1988-05-20 1989-11-24 Telemecanique Electrique Module de protection pour electro-aimant de contacteur
EP0354575A2 (de) * 1988-08-10 1990-02-14 Fuji Electric Co., Ltd. Elektromagnetischer Schütz

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6243250B1 (en) 1998-04-20 2001-06-05 Krone Gmbh Electrical connector
SG83713A1 (en) * 1998-04-20 2001-10-16 Krone Gmbh Electrical connector

Also Published As

Publication number Publication date
CN1118080C (zh) 2003-08-13
DE69700762D1 (de) 1999-12-16
FR2747231B1 (fr) 1998-06-19
FR2747231A1 (fr) 1997-10-10
EP0800192B1 (de) 1999-11-10
DE69700762T2 (de) 2000-02-17
ES2141585T3 (es) 2000-03-16
CN1174390A (zh) 1998-02-25

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