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EP3084793A1 - Élément de contact - Google Patents

Élément de contact

Info

Publication number
EP3084793A1
EP3084793A1 EP14823947.8A EP14823947A EP3084793A1 EP 3084793 A1 EP3084793 A1 EP 3084793A1 EP 14823947 A EP14823947 A EP 14823947A EP 3084793 A1 EP3084793 A1 EP 3084793A1
Authority
EP
European Patent Office
Prior art keywords
plunger
contact
contact element
main body
element according
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
EP14823947.8A
Other languages
German (de)
English (en)
Other versions
EP3084793B1 (fr
Inventor
Frank Bruchschmidt
Artur Wiese
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.)
Eaton Intelligent Power Ltd
Original Assignee
Eaton Electrical IP GmbH and Co KG
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 Eaton Electrical IP GmbH and Co KG filed Critical Eaton Electrical IP GmbH and Co KG
Priority to PL14823947T priority Critical patent/PL3084793T3/pl
Publication of EP3084793A1 publication Critical patent/EP3084793A1/fr
Application granted granted Critical
Publication of EP3084793B1 publication Critical patent/EP3084793B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01H1/2008—Facilitate mounting or replacing contact bridge and pressure spring on carrier
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/503—Stacked switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
    • H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch

Definitions

  • the invention relates to a contact element, which is suitable due to its low installation depth especially for use in control panels or -tableaus with low height and can be combined with different keys.
  • Such contact elements are used in command and signaling devices such as the Applicant's RMQ-Titan® product line.
  • command and signaling devices such as the Applicant's RMQ-Titan® product line.
  • EP 2 645 391 AI a switching device and a switching contact are also known, which have a relatively low height, in which the contact element is cylindrically shaped and parts of the contact element are arranged on a circuit board.
  • German patent application DE 33 40 658 AI a contact element is known in which terminals are mounted obliquely in its base body, whereby the terminals for electrical leads are easily accessible even in the assembled state of the contact element.
  • the German patent application DE 198 56 678 AI describes an easy-to-mount contact element for an electrical switching device in which a plunger is designed for actuation such that a plunger mounted in the contact bridge can be arranged in two different, axially spaced-apart positions on the plunger.
  • Object of the present invention is therefore to provide a contact element with a relatively small installation depth, in which also the assembly is further simplified.
  • An underlying idea of the present invention is to obtain a compact design of a contact element by an oblique mounting of connection terminals for electrical conductors in the main body of the contact element. Due to the inclination of the terminals, the depth of the contact element over conventional contact elements can be advantageously reduced.
  • An underlying idea of the present invention is to obtain a compact design of a contact element by an oblique mounting of connection terminals for electrical conductors in the main body of the contact element. Due to the inclination of the terminals, the depth of the contact element over conventional contact elements can be advantageously reduced.
  • For ease of assembly also has a contact bridge carrying ram on its underside on two opposite sides with elongated openings through which each contact ends of the contact bridge protrude, each having a mounting opening for installation of the contact bridge.
  • the mounting apertures may be in the form of small slots which open the elongated openings towards the bottom of the plunger.
  • An embodiment of the invention relates to a contact element with a base body, two, slanted in the base body terminals for electrical conductors, two, each with one of the terminals electrically connected and extending from the respective terminal to a centrally arranged in the main body bearings busbars, and one in the central Bearing resiliently mounted and movable between a first and a second position plunger, which carries a contact bridge which electrically short-circuits the two busbars in one of the two positions, wherein a protruding from the main body part of the plunger is designed for coupling with a button.
  • the contact element can be designed as a normally closed (NC: Normally Closed) or normally open (NO: Normally Open). It is thus not only created a contact element with a small depth, but also one that can be used as an opener or closer due to the structural design of the plunger and the busbars.
  • the protruding from the body and designed for coupling with a key part of the plunger can be mainly formed so that it can be coupled with different keys, in particular by different keys can be plugged.
  • the plunger has a central bore and at least one provided adjacent the central bore side bore, wherein the central bore for receiving and supporting a contact spring which exerts a spring pressure on the contact bridge, and the at least one side bore for receiving and supporting a return spring, the plunger in the first or second contact position presses are provided.
  • the contact bridge is mounted in the central bore and the plunger has on two opposite sides in each case an elongated opening, through which in each case Protruding contact ends of the contact bridge. Due to the elongated openings, the contact bridge can be mounted at different positions in the plunger, whereby the plunger can be set up with the mounted at a corresponding position contact bridge either for a function of the contact element as an opener or closer.
  • the plunger has on its underside on the two opposite sides with the elongated openings each having a mounting opening for installation of the contact bridge.
  • the mounting apertures may be in the form of small slots which open the elongated openings towards the bottom of the plunger. This allows for the assembly of the plunger with the springs and the contact bridge a simple insertion of the contact bridge in the central bore such that their ends can protrude through the elongated openings.
  • the contact bridge may be resiliently mounted in the plunger, whereby a soft stop of the plunger when operating the same can be achieved for example by a button.
  • the plunger may have two, arranged symmetrically to the central bore side holes. Thereby, the return spring can be inserted on both sides in one of the side holes on the plunger, so that no correct bearing mounting of the plunger is required.
  • the main body may each have a latching hook on two of its opposite sides, which allows a clamping attachment of the contact element to a mounting rail or in an opening of a panel.
  • the contact element may be designed for a front attachment, wherein the protruding from the main body part of the plunger is located on a side facing the same catch hook side of the body.
  • the latch hook facing side of the body here is understood the side that is visible in a mounting of the contact element with the latching hooks, so for example when the contact element is provided for attachment to the front panel of a control panel or a panel with the latching hooks.
  • the contact element may be designed for a floor mounting, wherein the protruding from the main body part of the plunger is located on a side facing away from the same catch hook side of the body.
  • the bottom mounting is understood to mean the opposite of the front attachment, ie an attachment of the contact element with the latching hooks on the ground, for example, a housing or on a DIN rail.
  • the contact element may be formed such that its depth falls below about 30 millimeters, and in particular is about 14 millimeters. Contact elements with such a reduced overall depth can be used for example in panels with low height.
  • FIG. 1 shows an embodiment of an NC contact element according to the invention in a sectional view.
  • FIG. 2 shows an embodiment of a NO contact element according to the invention in sectional view
  • FIG. 3 shows the NO contact element shown in FIG. 2 in a further sectional representation
  • Figure 4 is a perspective view of the plunger of the NO contact element shown in Figures 2 and 3 in assembled form.
  • Fig. 5 is an exploded view of the plunger shown in Fig. 4;
  • Fig. 6 is another perspective view of the plunger shown in Figure 4 with mounted return spring.
  • FIG. 7 shows a further perspective view of the plunger shown in FIG. 4 without springs and contact bridge; 8-10 different perspective views of the fully assembled and shown in Figure 1 in section NC contact element.
  • FIG. 11 is a perspective view of an embodiment of a contact element according to the invention with attached button, in addition to a conventional contact element with conventional depth;
  • Fig. 12 is a perspective view of another embodiment of a fully assembled contact element for ground mounting.
  • the aim of the present invention is to provide a contact element, in particular for a front attachment, which has a construction depth that is as small as possible in comparison to a depth of 45 mm (millimeters) of conventional contact elements, which in particular falls below about 30 mm.
  • a contact element can be created whose depth even has only about 14 mm, whereby a control room can be reduced with the contact element according to the invention of 26.2 mm to about 10.7 mm.
  • Fig. 1 shows a sectional view of an inventive NC contact element 10 with lateral latching hooks 52 and 54 for clamping attachment, for example, to a mounting rail or in an opening of a control panel or a panel.
  • connection terminals 14 and 16 can be designed as so-called plug-in terminals with tool-free direct insertion (also called push-in terminal).
  • plug-in terminals with tool-free direct insertion also called push-in terminal.
  • connection technology can rigid, fine wire conductor with ferrule without Tool are introduced into the terminals, which shortens the wiring time, requires less space than eg screw terminals and less time and material costs in the conductor preparation and usually creates fewer possibilities for errors and requires a lower control effort in operation.
  • actuation knobs 68 of the connection terminals are provided on the underside of the main body 12 of the contact element 10 (see FIG. 10), which must be pressed to provide clamping springs 56 and 58 (identical parts). bias, whereby channels of the terminals 14 and 16 are opened to insert the conductor.
  • the operation buttons 68 must be pressed.
  • the operation buttons 68 are designed so that they can be easily operated with a screwdriver.
  • the compact design of the contact element 10 according to the invention is essentially achieved by the oblique mounting of the terminals 14 and 16 in the base body 12, busbars and the special switching contact mechanism of a spring-mounted and movable between two positions ram, as will be explained in detail below.
  • the plunger 24 is movably mounted in the central bearing 18 such that between a first and a second stop position is movable.
  • a return spring 30 pushes the plunger 24 in the first (basic) position in which a provided for coupling with a button and correspondingly trained part 28 of the plunger 24 protrudes completely from the main body 12.
  • the plunger 24 carries a contact bridge, which is covered in Fig. 1 by the plunger 24 and the left and right busbar 20 and 22 in the embodiment of the contact element 10 shown in Fig.
  • NC NC contact element
  • FIG. 2 shows in a sectional view an NO contact element 11 which differs from the NC contact element shown in FIG. 1 in the bus bars 21 and 23 (identical parts) and the bearing of the contact bridge 26 in the plunger as follows: in FIG. 2 It can be seen that the bus bars 21 and 23, unlike the bus bars 20 and 22 in the contact element 10 shown in Fig. 1 are shaped differently, namely shortly before the central bearing 18 make a kink down to about the lower part of the camp 18 to end and stand out in this. In Fig. 3, the plunger 24 is additionally shown in section. Here it can be seen that the contact bridge 26 is resiliently mounted in the lower part of the plunger 24 (a contact spring 32 is located in a central bore 34 (see Fig.
  • the contact bridge 26 is therefore in a position in which it can not contact the two bus bars 21 and 23.
  • the contact bridge 26 is moved with the plunger 24 down and closes from a certain position of the plunger 24 in the central bearing 18, the two bus bars 21 and 23 short, so that the contact element 11 is closed is.
  • Figs. 4 to 7 show the structure of the plunger 24 in detail.
  • the plunger 24 is structurally designed so that only one injection mold is necessary for use in an NC or NO contact element.
  • the plunger 24 is also designed so that it can be completely pre-assembled with the contact spring 32, the contact bridge 26 and the return spring 30 as an assembly.
  • the receptacle for the return spring 30 is designed so that it is held over the circumference and during assembly of the assembly in the housing or the base body 12 of the contact element 10 and 1 1 can not fall out.
  • the plunger 24 is designed so that the return spring 30 can be inserted into the corresponding receptacle in the plunger 24 on both sides, whereby the assembly is simplified, since no correct position mounting of the plunger is required.
  • the approximately cuboid plunger 24 has a Central bore 34 approximately in its center, which is introduced into the bottom 25 of the plunger 24 and ends as a blind hole in the plunger 24.
  • This central bore 34 serves to receive the already mentioned contact spring 32, which serves for the resilient mounting of the contact bridge 26 in the plunger 24.
  • the contact spring 32 can either be clamped between the contact bridge 26 and the end of the central bore 34 in the plunger 24 (as in the NO contact element 11 shown in FIGS. 2 and 3), or it can be inserted from the outside into the central bore 34 to to press the contact bridge 26 against the end of the central bore (as in the case of the NC contact element 10 shown in FIG. 1).
  • two side holes 36 and 38 are provided in the plunger 24 for the return spring 30, which are open at the side and are also designed as blind holes, so that the return spring 30 introduced into it finds a stop and not laterally from the side holes 36 and 38th can fall out during assembly of the contact element.
  • the plunger 24 For supporting the contact bridge 26, the plunger 24 on each of its opposite sides in each case an elongated, rectangular opening 40 and 42 of the central bore 34.
  • the two openings 40 and 42 in turn each have mounting openings 48 and 50 in the form of small slots, which open the openings 40 and 42 to the bottom 25 of the plunger 24.
  • mounting holes 48 and 50 can - as shown in Fig. 5 - the flat band-shaped contact bridge 26 are passed for mounting the plunger 24.
  • Contact ends 44 and 46 of the contact bridge 26 then protrude out of the two openings 40 and 42, and the contact bridge 26 can be moved back and forth within the two openings.
  • the arrangement of the contact spring 32 determines - as already explained above - the use of the plunger for a NC or NO contact element 10 and 11 respectively.
  • the contact bridge 26 may be designed so that it can be used either as NC or NO contact. For this purpose, it only needs to be rotated by 180 ° in the plunger 24 are installed.
  • the usual raised embossing in the middle of the contact bridge 26 for centering the contact spring 32 can be omitted since the guide of the contact spring 32 is taken over by the cylindrical surfaces of the central bore 34 of the plunger 24.
  • the protruding from the body 12 of the contact element 10 and 11 part 28 of the plunger 24, the two projections in the embodiment of the plunger shown in Figs. 4-7 24, can be adapted to currently available on the market contact elements to allow adaptation as a second level to the existing contact elements.
  • FIG. 11 shows the contact element 10 according to the invention, which is arranged directly next to a conventional contact element 70 with a substantially greater depth, with a button 72 attached, by means of which the contact element 10 can be actuated.
  • the much smaller overall depth of the contact element 10 according to the invention can be clearly seen, which makes it possible to realize panels and panels with a significantly reduced installation depth.
  • FIG. 12 shows a contact element 13 which is designed for floor mounting, for example, in a housing or on a DIN rail.
  • the internal structure of the contact element 13 essentially corresponds to the internal structure of the contact elements designed for front attachment.
  • the plunger is installed so that its protruding from the body protruding part 28, in contrast to the contact elements for the front attachment on the side facing the same aligned latch hook side of the body is located, ie protruding at the bottom of the body, as by comparing the in the 8-10 shown front mounting contact element with the one shown in Fig. 12 Floor mounting contact element can be detected.
  • the contact element 13 is attached, for example, to a top hat rail, so that the latching hooks hook onto the corresponding edges of the hat rail.
  • the part 28 of the plunger now projects, so to speak, away from the latching hooks.
  • the contact element 13 is particularly suitable for applications in which no suitable EinhakMF on the front or front are present, for example, in an installation of the contact element 13 in a housing with a housing cover without Einhakvorraumen.
  • the present invention provides a contact element with a comparatively small overall depth, which can be used instead of conventional contact element with much greater depth, for example, in control panels or panels with less installation depth than conventional panels and panels.
  • NC contact element NC contact
  • connection terminal 15 16 right connection terminal for electrical conductors (same part as connection terminal 15)
  • busbar 20 right busbar (normally closed) (same part as busbar 20)
  • clamping spring (same part as clamping spring 56)

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Measuring Leads Or Probes (AREA)

Abstract

L'invention concerne un élément de contact qui, du fait de sa faible profondeur d'encastrement, convient surtout pour le montage dans des panneaux ou tableaux de distribution présentant un faible encombrement en hauteur et qui peut être combiné à différentes touches. Un mode de réalisation de l'invention concerne un élément de contact (10) qui possède un corps de base (12), deux bornes de connexion (14, 16) pour conducteurs électriques qui sont montées obliquement dans le corps de base, deux barres conductrices (20, 22) dont chacune est reliée électriquement à l'une des bornes de connexion et qui s'étend de la borne de connexion correspondante à un support (18) placé en position centrale dans le corps de base, et un poussoir (24) monté élastiquement dans le support central, pouvant se déplacer entre une première et une seconde position, et qui porte un pont de contact (26) qui court-circuite électriquement les deux barres conductrices dans l'une des deux positions, une partie (28) du poussoir qui fait saillie sur le corps de base étant prévu pour s'accoupler à une touche.
EP14823947.8A 2013-12-19 2014-12-16 Élément de contact Active EP3084793B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14823947T PL3084793T3 (pl) 2013-12-19 2014-12-16 Element stykowy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013114434 2013-12-19
PCT/EP2014/077980 WO2015091497A1 (fr) 2013-12-19 2014-12-16 Élément de contact

Publications (2)

Publication Number Publication Date
EP3084793A1 true EP3084793A1 (fr) 2016-10-26
EP3084793B1 EP3084793B1 (fr) 2017-11-22

Family

ID=52282695

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14823947.8A Active EP3084793B1 (fr) 2013-12-19 2014-12-16 Élément de contact

Country Status (6)

Country Link
US (1) US9613761B2 (fr)
EP (1) EP3084793B1 (fr)
CN (1) CN105849843B (fr)
CA (1) CA2933982C (fr)
PL (1) PL3084793T3 (fr)
WO (1) WO2015091497A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102163656B1 (ko) * 2017-06-27 2020-10-08 주식회사 엘지화학 배터리 모듈과 이를 포함하는 배터리 팩 및 자동차
USD924822S1 (en) 2019-01-18 2021-07-13 Eaton Intelligent Power Limited Push button
US11335518B2 (en) * 2020-09-08 2022-05-17 Rockwell Automation Switzerland Gmbh Switching element guide
FR3114696B1 (fr) 2020-09-25 2022-10-14 Schneider Electric Ind Sas Bloc empilable pour unité de commande de hauteur réduite
EP3993000B1 (fr) 2020-10-29 2025-01-22 Schneider Electric Industries SAS Bloc de contact électrique empilable à profil bas

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340658A1 (de) 1983-11-10 1985-05-23 Westinghouse FANAL-Schaltgeräte GmbH, 5600 Wuppertal Gehaeuse fuer elektrische schaltelemente
DE19856678C2 (de) 1998-12-04 2002-01-24 Moeller Gmbh Elektrische Schaltvorrichtung
US6198058B1 (en) * 1999-09-27 2001-03-06 Rockwell Technologies, Llc Switch contact mechanism
US6987235B2 (en) 2003-06-06 2006-01-17 Rockwell Automation Technologies, Inc. Redundant switch having torsional compliance and arc-absorbant thermal mass
DE102005009722A1 (de) 2005-03-03 2006-09-07 Saia-Burgess Halver Gmbh & Co.Kg Elektrisches Schaltgerät sowie Verfahren zur Befestigung eines Schaltgerätes auf einer Platine
EP1801830A1 (fr) * 2005-12-20 2007-06-27 Siemens Aktiengesellschaft Interrupteur avec surveillance d'un élément de commutation
EP1801827B1 (fr) * 2005-12-20 2008-08-20 Siemens Aktiengesellschaft Dispositif avec un système de commande et un élément de commutation
ITVI20110311A1 (it) 2011-11-30 2013-05-31 Pizzato Elettrica Srl Unita' di comando a contatti doppi per impianti elettrici e dispositivo di comando elettrico comprendente tale unita'
EP2645391B1 (fr) 2012-03-27 2016-10-12 RAFI GmbH & Co. KG Dispositif de commutation et contacteur de commutation

Also Published As

Publication number Publication date
CN105849843B (zh) 2017-07-14
PL3084793T3 (pl) 2018-10-31
CA2933982C (fr) 2021-08-24
US9613761B2 (en) 2017-04-04
CA2933982A1 (fr) 2015-06-25
WO2015091497A1 (fr) 2015-06-25
EP3084793B1 (fr) 2017-11-22
CN105849843A (zh) 2016-08-10
US20160307710A1 (en) 2016-10-20

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