EP0162952A1 - Pont de commutation pour appareils de commutation électriques, notamment pour contacteurs - Google Patents

Pont de commutation pour appareils de commutation électriques, notamment pour contacteurs Download PDF

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Publication number
EP0162952A1
EP0162952A1 EP84112789A EP84112789A EP0162952A1 EP 0162952 A1 EP0162952 A1 EP 0162952A1 EP 84112789 A EP84112789 A EP 84112789A EP 84112789 A EP84112789 A EP 84112789A EP 0162952 A1 EP0162952 A1 EP 0162952A1
Authority
EP
European Patent Office
Prior art keywords
contact
switching
bridge
window
spring
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
EP84112789A
Other languages
German (de)
English (en)
Other versions
EP0162952B1 (fr
EP0162952B2 (fr
Inventor
Helmut Lemmer
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.)
Square D Co Deutschland GmbH
Original Assignee
Square D Co Deutschland GmbH
Square D Starkstrom 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8191854&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0162952(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Square D Co Deutschland GmbH, Square D Starkstrom GmbH filed Critical Square D Co Deutschland GmbH
Priority to AT84112789T priority Critical patent/ATE46983T1/de
Priority to ES541266A priority patent/ES8608222A1/es
Priority to CA000477586A priority patent/CA1266074A/fr
Publication of EP0162952A1 publication Critical patent/EP0162952A1/fr
Publication of EP0162952B1 publication Critical patent/EP0162952B1/fr
Application granted granted Critical
Publication of EP0162952B2 publication Critical patent/EP0162952B2/fr
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
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2025—Bridging contacts comprising two-parallel bridges

Definitions

  • the invention relates to a switching bridge for electrical switching devices, in particular for contactors, with a number of contact bridges which are arranged next to and / or one above the other in windows and which have contact pieces at their ends and which are each under the pressure of a contact spring.
  • Switching bridges of the abovementioned type are known in the most varied of embodiments, but what is common to these switching bridges is that all the contact springs are designed as spiral springs and are inserted in the respective windows in this way. that they are supported either on the top or bottom wall of the window and on the other hand on the contact bridge in question.
  • This construc tion has the disadvantage that non a ma nual production of the switching bridge is possible, ie that each contact bridge with the associated spiral contact spring must be used by hand in the window in question.
  • the invention has for its object to provide a switching bridge, which is once an automatic production, i.e. Equipped with contact bridges and in which abrasion is practically avoided, so that a high level of contact reliability is guaranteed.
  • each contact spring is designed as a convex to the associated contact bridge leaf spring, that the contact spring has a locking point in the central region, which interacts positively with the adjacent window wall, and that the ends of the contact spring and the ends of the contact bridge are bent so concavely and cooperate with one another that the contact bridge is held in the longitudinal direction by the contact spring and in the transverse direction by the side walls of the window.
  • each contact bridge can be grasped mechanically together with an overlying leaf spring. With a slight compression of the leaf spring, it can then be easily pushed into the window with the contact bridge without tilting or the like being necessary. If the leaf spring is now released, the locking point of the contact spring engages positively on the adjacent window wall, so that the contact spring and the contact bridge are held securely at the same time.
  • each contact bridge is bent from a resilient material in the form of a frame, so that a double current-conducting connection between the contact pieces is created and the frame forms the contact pressure spring.
  • a further solution to the problem on which the invention is based is that the contact spring is bent in a C-shape and its ends are on one each Support the folded part of the contact bridge.
  • this design gives the further advantage of a particularly secure mounting and guiding of the contact bridge.
  • Figures 1 to 3 show a partial section of a switching bridge 1 with a transverse window 2.
  • the switching bridge can have any number of windows one above the other and / or side by side, so that each window repeats the construction explained below accordingly often.
  • 1, recesses 3 and 4 are provided on both sides of the window, so that the actual window is provided in the web 5.
  • the remaining edges of the switching bridge, which protrude beyond the web 5, can be designed as reinforcing ribs.
  • a projection 6 is formed, which is expediently rectangular, as illustrated in FIG. 2. This projection engages in an opening 7 of a contact spring 8 and holds it in every operating position, and also in a manner that prevents it from rotating. As illustrated in FIG.
  • the contact spring 8 is designed as a leaf spring bent convexly with respect to the associated contact bridge 11 located underneath.
  • the ends 9 and 10 of the contact or leaf spring 8 on both sides and the ends 12 and 13 of the contact bridge 11 are bent somewhat upwards according to FIG. 1, that is to say they are bent in a concave manner.
  • the ends are under spring pressure and act in such a way that the contact bridge 11 is held in the longitudinal direction by the contact spring 8.
  • the contact bridge 11 is in the transverse direction from the side walls the window 2 held.
  • the contact bridge 11 has rectilinear longitudinal edges, that is to say essentially consists of a rectangular, well-conducting metal strip. With this arrangement and mounting, the contact bridge practically does not come into frictional contact with the side walls of the window without the further side surfaces of the switching bridge 1, so that no drive can form.
  • the contact bridge 11 is solid and has contact pieces 14 and 15 on the underside.
  • the contact spring 8 is provided with two longitudinal slots 18 which run to the ends and which advantageously merge with a rounding 19 on the inside.
  • Resilient arms 16 and 17 are formed on both sides of the slot 8. The same also applies to the right end of the contact or leaf spring 8, which is broken off in FIG. 2 and is not shown.
  • This configuration of the contact spring further increases the contact reliability because the contact spring presses on the contact bridge 11 at four points.
  • FIGS. 4 to 6 illustrate another exemplary embodiment to which the above statements also apply analogously.
  • the parts corresponding to the exemplary embodiment according to FIGS. 1 to 3 are therefore not described again and provided with reference numerals.
  • the contact bridge 20 is in this case somewhat thinner, material and designed to save weight.
  • the contact bridge 20 is also provided with two longitudinal slots 33 which run to the ends, so that a total of four arms 21, 22, 23 and 24 running in pairs parallel to one another are formed on both sides of these longitudinal slots.
  • Each of these arms carries a contact piece 29, 30, 31 and 32. This is a measure which leads to a further improvement in the contact security.
  • the concavely bent ends of the contact spring 34 again work with the likewise concavely bent ends 25, 26, 27 and 28 of the above-described arms 21 to 24.
  • the latching point of the contact spring designed as a leaf spring is an opening 7 into which the projection 6 engages.
  • This transverse rib can be arched downward, so that a projection engaging in the transverse rib produces a positive connection or holder from above.
  • the cross rib can also be curved upwards. This can then engage or rest in a notch in the adjacent window wall.
  • FIGS. 7 and 8 show a further preferred exemplary embodiment of a switching bridge according to the invention.
  • the contact bridge consists of a resiliently elastic or self-resilient material, namely an electrically thin, relatively thin metal strip.
  • the contact bridge is bent in the form of a frame 35, as above all
  • the frame 35 consists of a lower, uninterrupted part 36, on the underside of which the contact pieces 48, 49 and 50, 51 (FIG. 8) are fastened. With rounded corners adjoin this frame part 36 upwards leading frame parts 37 and 38, which in turn merge with rounded corners into the upper inwardly facing frame parts 39 and 40.
  • the frame 35 is thus essentially rectangular, but the frame parts 39 and 40 rise somewhat obliquely inward in the rest position according to the drawn position according to FIG. 7.
  • the contact pieces 48 to 51 are, as indicated, arranged on the outside of the uninterrupted part 36 of the frame, namely towards the ends of this part.
  • the frame can consist of an uninterrupted metal strip, for example by being cut from a tube and then being deformed.
  • the contact bridge is expedient to punch the contact bridge out of a flat metal strip and then to deform it into an essentially rectangular frame.
  • the ends 41 and 42 are provided with a silver layer on the adjoining surfaces, so that a good current transfer is ensured.
  • the contact bridge is designed as a frame 35, there is a double current-conducting connection between the contact pieces 48 and 49 on the one hand and the contacts 50 and 51 on the other hand.
  • the self-resilient or resilient material is chosen so that the frame 35 forms the contact pressure springs at the same time.
  • the ends 41 and 42 of the frame members 39 and 40 are inward, i.e. in FIg. 7 bent downward essentially by 90 °.
  • a recess 43 e.g. provided in a rectangular shape.
  • a projection 6 engages in these two cutouts, which protrudes into the window 2 as shown.
  • the frame part 39 is first pressed downward by the projection 6 until the correct position is reached and the projection 6 engages in the recesses 43 and secures the position of the frame.
  • parts 44 and 45 bent downwards can also be provided on the inner edges of the cutouts 43.
  • the frame 35 is provided with slots 46 and 47 in the areas on both sides of the window 2, as can be seen in FIG. 8, and the four contact pieces 48 to 51 described are accordingly attached.
  • Fig. 7 also shows that on both sides of the window 2 slightly inclined outwardly rising contact surfaces 52 and 53 are formed on the switching bridge 1.
  • the frame parts 39 and 40 can be supported on these contact surfaces 52 and 53.
  • the frame parts 39 and 40 perform a certain pivoting movement between the rest position and the operating position, as a comparison of the drawn position with the operating position shows.
  • the bent ends 41 and 42 perform a certain rolling movement with respect to one another, so that a self-cleaning effect occurs on the abutting surfaces described and a good current transfer is always guaranteed.
  • Figures 9 and 10 illustrate a further embodiment of a switching bridge, which is particularly characterized by the secure mounting of the contact bridge 55.
  • the ends 56 and 57 of the contact bridge 55 are bent upward by approximately 90 ° (FIG. 9).
  • Central projections 58 and 59 are provided on the upper end faces of these ends, which engage in correspondingly shaped holes 80 which engage near the ends of a contact spring 62.
  • Contact pieces 60 and 61 are again attached to the underside of the contact bridge 55.
  • semicircular recesses 63 and 64 are provided, in which correspondingly shaped and arranged, projecting into the window 2 protrusions 65 and 66 engage.
  • automatic assembly is possible by simply inserting the contact bridge with the contact spring.
  • the contact spring 67 is bent in a C-shape.
  • the inwardly facing ends 68 and 69 of the contact spring 67 are each supported on a folded part 77 and 79 or 78 of the contact bridge 75.
  • the contact bridge 75 again carries contact pieces 71, 72, 73 and 74 on the underside.
  • both the contact spring '67 and the contact bridge 75 have longitudinal slots 70 and 76 (FIG. 12).

Landscapes

  • Push-Button Switches (AREA)
  • Tumbler Switches (AREA)
  • Contacts (AREA)
EP84112789A 1984-03-31 1984-10-24 Pont de commutation pour appareils de commutation électriques, notamment pour contacteurs Expired - Lifetime EP0162952B2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT84112789T ATE46983T1 (de) 1984-03-31 1984-10-24 Schaltbruecke fuer elektrische schaltgeraete, insbesondere fuer schuetze.
ES541266A ES8608222A1 (es) 1984-03-31 1985-03-14 Puente de conmutacion para aparatos electricos de conmuta- cion, especialmente para contactores
CA000477586A CA1266074A (fr) 1984-03-31 1985-03-27 Montage en pont pour commutateur electrique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP84103593 1984-03-31
EP84103593 1984-03-31

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP88104209.7 Division-Into 1988-03-17

Publications (3)

Publication Number Publication Date
EP0162952A1 true EP0162952A1 (fr) 1985-12-04
EP0162952B1 EP0162952B1 (fr) 1989-10-04
EP0162952B2 EP0162952B2 (fr) 1992-12-23

Family

ID=8191854

Family Applications (2)

Application Number Title Priority Date Filing Date
EP84112789A Expired - Lifetime EP0162952B2 (fr) 1984-03-31 1984-10-24 Pont de commutation pour appareils de commutation électriques, notamment pour contacteurs
EP88104209A Expired - Lifetime EP0304539B1 (fr) 1984-03-31 1984-10-24 Pont de commutation pour appareils de commutation électriques, notamment pour contacteurs

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP88104209A Expired - Lifetime EP0304539B1 (fr) 1984-03-31 1984-10-24 Pont de commutation pour appareils de commutation électriques, notamment pour contacteurs

Country Status (3)

Country Link
US (1) US4594484A (fr)
EP (2) EP0162952B2 (fr)
DE (2) DE3480038D1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117120A1 (de) * 1991-05-25 1992-11-26 Abb Patent Gmbh Kontaktanordnung fuer einen elektrischen schalter
WO2012059418A1 (fr) * 2010-11-03 2012-05-10 Tyco Electronics Amp Gmbh Agencement de contacts pour un relais ayant deux trajets de courant de charge, ainsi que relais à agencement de contacts
DE102010063172A1 (de) * 2010-12-15 2012-06-21 Tyco Electronics Amp Gmbh Kontaktanordnung für ein Relais mit zwei Laststrompfaden und einem Querstrompfad und Relais mit Kontaktanordnung
EP2479773A1 (fr) * 2011-01-19 2012-07-25 Abb Ag Commutateur d'installation
EP3116015A1 (fr) * 2015-07-08 2017-01-11 TE Connectivity Germany GmbH Agencement de pont de contact pour un élément de commutation électrique
WO2022188985A1 (fr) * 2021-03-11 2022-09-15 Pierburg Gmbh Dispositif de pont de contact pour commutateur de contacteur haute tension ou de relais haute tension
WO2022188984A1 (fr) * 2021-03-11 2022-09-15 Pierburg Gmbh Dispositif de pont de contact pour un commutateur d'un contacteur haute tension ou d'un relais haute tension
EP4120309A1 (fr) * 2021-07-15 2023-01-18 Honeywell International Inc. Composant de commutation comprenant des ensembles support mobile intégrés

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924040A (en) * 1986-09-25 1990-05-08 Illinois Tool Works Inc. Electrical switching apparatus
US5265905A (en) * 1993-01-07 1993-11-30 Ford Motor Company Air bag cover horn blow switch assembly
US5265904A (en) * 1993-01-07 1993-11-30 Ford Motor Company Airbag cover with integral horn switch
DE4323878A1 (de) * 1993-07-16 1995-01-19 Abb Patent Gmbh Tastmodul zum Schalten
DE4439295C1 (de) * 1994-11-07 1996-06-05 Inovan Stroebe Kontakthalter
US6084488A (en) * 1998-04-03 2000-07-04 Pass & Seymour, Inc. Compact high current relay
US7400477B2 (en) * 1998-08-24 2008-07-15 Leviton Manufacturing Co., Inc. Method of distribution of a circuit interrupting device with reset lockout and reverse wiring protection
US6180899B1 (en) * 1999-01-04 2001-01-30 Siemens Energy & Automation, Inc. Semi-bifurcated electrical contacts
SE516457C2 (sv) 1999-01-28 2002-01-15 Asea Brown Boveri Brytare i kontaktor
US6958671B2 (en) * 2001-11-15 2005-10-25 Square D Company Electrical contactor with positive temperature coefficient resistivity element
EP1577919B1 (fr) * 2004-03-15 2014-09-10 Omron Corporation Relais électromagnétique
CN1321430C (zh) * 2006-03-06 2007-06-13 通领科技集团有限公司 具有压力平衡自动补偿的接地故障断路器动作机构
CN103474300B (zh) 2008-07-07 2016-03-09 立维腾制造有限公司 一种故障电路断路器
DE102015212818A1 (de) 2015-07-08 2017-01-12 Te Connectivity Germany Gmbh Kontaktbrückenanordnung für ein elektrisches Schaltelement
CN107331581A (zh) * 2017-08-25 2017-11-07 戴丁志 减震定位式接触器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH235649A (de) * 1942-12-28 1944-12-15 Sauter Ag Nockenschalter.
CH418435A (de) * 1964-03-26 1966-08-15 Stotz Kontakt Gmbh Schaltgerät, insbes. Luftschütz für hohe Einschaltstromspitzen
US3324270A (en) * 1964-06-22 1967-06-06 Telemecanique Electrique Circuit breaker apparatus having bifurcated contact
DE1909460A1 (de) * 1968-08-05 1970-03-26 Teizo Fujita Magnetisches Steuerrelais
DE2461782A1 (de) * 1974-01-03 1975-07-10 Telemecanique Electrique Elektrisches schaltgeraet

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3260824A (en) * 1963-07-29 1966-07-12 Arrow Hart & Hegeman Electric Low energy non-arcing electric relay construction
DE3136354C2 (de) * 1981-09-14 1985-10-17 Siemens AG, 1000 Berlin und 8000 München Kontaktanordnung für elektrische Schaltgeräte

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH235649A (de) * 1942-12-28 1944-12-15 Sauter Ag Nockenschalter.
CH418435A (de) * 1964-03-26 1966-08-15 Stotz Kontakt Gmbh Schaltgerät, insbes. Luftschütz für hohe Einschaltstromspitzen
US3324270A (en) * 1964-06-22 1967-06-06 Telemecanique Electrique Circuit breaker apparatus having bifurcated contact
DE1909460A1 (de) * 1968-08-05 1970-03-26 Teizo Fujita Magnetisches Steuerrelais
DE2461782A1 (de) * 1974-01-03 1975-07-10 Telemecanique Electrique Elektrisches schaltgeraet

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4117120A1 (de) * 1991-05-25 1992-11-26 Abb Patent Gmbh Kontaktanordnung fuer einen elektrischen schalter
WO2012059418A1 (fr) * 2010-11-03 2012-05-10 Tyco Electronics Amp Gmbh Agencement de contacts pour un relais ayant deux trajets de courant de charge, ainsi que relais à agencement de contacts
DE102010063172A1 (de) * 2010-12-15 2012-06-21 Tyco Electronics Amp Gmbh Kontaktanordnung für ein Relais mit zwei Laststrompfaden und einem Querstrompfad und Relais mit Kontaktanordnung
EP2479773A1 (fr) * 2011-01-19 2012-07-25 Abb Ag Commutateur d'installation
EP3116015A1 (fr) * 2015-07-08 2017-01-11 TE Connectivity Germany GmbH Agencement de pont de contact pour un élément de commutation électrique
US10020129B2 (en) 2015-07-08 2018-07-10 Te Connectivity Germany Gmbh Contact bridge arrangement for an electrical switching element
WO2022188985A1 (fr) * 2021-03-11 2022-09-15 Pierburg Gmbh Dispositif de pont de contact pour commutateur de contacteur haute tension ou de relais haute tension
WO2022188984A1 (fr) * 2021-03-11 2022-09-15 Pierburg Gmbh Dispositif de pont de contact pour un commutateur d'un contacteur haute tension ou d'un relais haute tension
EP4120309A1 (fr) * 2021-07-15 2023-01-18 Honeywell International Inc. Composant de commutation comprenant des ensembles support mobile intégrés
US11749470B2 (en) 2021-07-15 2023-09-05 Honeywell International Inc. Switching component comprising integrated moveable carrier assemblies

Also Published As

Publication number Publication date
US4594484A (en) 1986-06-10
DE3480038D1 (en) 1989-11-09
DE3486065D1 (de) 1993-03-18
EP0304539B1 (fr) 1993-02-03
EP0304539A1 (fr) 1989-03-01
EP0162952B1 (fr) 1989-10-04
EP0162952B2 (fr) 1992-12-23

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