EP2617046B1 - Dispositif de contact d'interrupteur d'arrêt d'urgence en ligne - Google Patents

Dispositif de contact d'interrupteur d'arrêt d'urgence en ligne Download PDF

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Publication number
EP2617046B1
EP2617046B1 EP11758129.8A EP11758129A EP2617046B1 EP 2617046 B1 EP2617046 B1 EP 2617046B1 EP 11758129 A EP11758129 A EP 11758129A EP 2617046 B1 EP2617046 B1 EP 2617046B1
Authority
EP
European Patent Office
Prior art keywords
contact
switching
unit
connection
contact 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.)
Active
Application number
EP11758129.8A
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German (de)
English (en)
Other versions
EP2617046A1 (fr
Inventor
Eberhard Schlegel
Kurt Blank
Rudolf Dolpp
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.)
Georg Schlegel GmbH and Co KG
Original Assignee
Georg Schlegel 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 Georg Schlegel GmbH and Co KG filed Critical Georg Schlegel GmbH and Co KG
Publication of EP2617046A1 publication Critical patent/EP2617046A1/fr
Application granted granted Critical
Publication of EP2617046B1 publication Critical patent/EP2617046B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
    • 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
    • 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

Definitions

  • the present invention relates to an electrical contact device according to claim 1 and to a command device according to claim 16.
  • Such emergency stop switch such. B. off DE 4 101 493 C2 , which discloses an electrical contact device according to the preamble of claim 1,. and for example DE 10 2005 010 661 A1
  • Known on the one hand comprise an electrical contact device and on the other hand provided for their actuation actuator.
  • This two-part construction is based on the fact that the actuating device, which is often referred to as an actuator, must be visible at all times and accessible for reliable operation. Only in this way can it be ensured that, in the event of danger, the machines or systems can be triggered mechanically in accordance with the switch-off switching command provided for this purpose. If such an emergency stop switch is provided for arrangement on a switchgear cabinet, for reasons of safety and clarity the mounting of the actuating device on the outside at its front side is appropriate.
  • a switching contact unit is provided for the second, which only makes an electrically conductive connection between its two contact points, if this mechanical connection is actually correct. This changes immediately by disconnecting this electrically conductive connection as soon as the operationally correct connection between Actuator and electrical contact device is no longer given, for example, by intentional or unintentional separation of these two components. This may for example be the case during maintenance and / or testing, but a separation can also due to a mishap or accident by external influence on the actuator, such. B. knocking or shearing done. In all these cases, the production of the intended safety state for the plant and / or machine must necessarily be ensured, which is done by the described separation of the electrically conductive connection.
  • the electrical contact device comprises a second switching contact unit. This is connected in series with the first switching contact unit and disconnects an electrically conductive connection between its two contact points, which is made in the normal operation case with correct operational connection between actuator and electrical contact device of this switching contact unit between these two contact points.
  • the present invention has for its object to improve an electrical contact device according to the prior art described in the introduction.
  • a contact is understood as a contact which is provided for connecting the electrical contact device to an external line.
  • a contact can be designed, for example, as a screw contact, as a plug contact, as a clamping contact or the like.
  • an electrically conductive contact connection element leads from the connection contact to the switching contact unit assigned to it.
  • This switching contact unit may, for example, comprise a switching bridge which has two contact points made of corresponding contact material, which in turn each have a complementary contact point, preferably also made of corresponding contact material, of a contact connecting element to be contacted assigned.
  • Such electrical contact devices are usually produced in block form, for example in the form of terminal blocks.
  • By providing corresponding locking elements is a simple and reliable connection between the electrical contact device and the Actuator possible.
  • the inventively proposed construction of an electrical contact device is based on the finding that the two terminal contacts of two switched in series switching contact units despite compliance with a given housing width per switching element, not necessarily be led out on the same side of the housing even with a single-row structure, but by an appropriate training and leadership of a contact-connecting element, in particular while maintaining the corresponding required line cross-section and a z. B. in the longitudinal direction of the housing opposite terminal contact arrangement can be realized.
  • This has the advantage that such a constructed electrical contact device saves half of the space requirement previously required in width, which was required to one of the two outgoing on the same side terminal contacts by means of a arranged next to the electrical contact device, second contact element on the opposite side respectively.
  • a contact fastener may be formed and disposed within the housing such that it extends from one side to the other across a housing for making an electrically conductive connection between a contact point of a switch contact unit and a terminal contact is passed laterally on the ram.
  • this contact-connection element may have a flat, rail-like shape.
  • a corresponding line cross-section can be realized.
  • a connecting section between the contact of the switching contact unit and the connecting contact can be "upright", that is, aligned substantially parallel to the slide movement.
  • the transition points between the individual connecting portions of the contact-connection element may preferably be angled, preferably multiple angled over by two subsequent successive angles to achieve the structure described.
  • the contact-connecting element for example, also flat and rail-like in shape but without the described in the first embodiment "upstand" in the intermediate area can be realized.
  • each a terminal contact may be arranged, via which the two switching contact units spaced and arranged to be actuated by the displaceable plunger.
  • Both switching contact units each have a bridge element which, in a corresponding switching position, are connected in series in the upper right-hand housing region with a further contact connecting element.
  • the contact connection element described so far extends in this embodiment described by way of example from the left contact region of the lower bridge element across the housing to the right terminal contact.
  • the two switching contact units in series switching contact connection element in the upper right housing area is thus located only on one side of the plunger.
  • the contact connecting element could be arranged transversely extending from one side of the housing to the other side of the housing, which the two switching contact units in Row switches.
  • both contact connection elements which connect a switching contact unit with a connection contact could be formed only on the respective housing side, left or right, at which these two Contacts are located.
  • the wiring across the housing, laterally past the plunger and / or therethrough would then take place through the two switching contact units in series switching contact-connection element.
  • the shaping and routing could be realized analogously in a corresponding manner, as described above for the contact connection element, which connects a switching contact unit with a connection contact.
  • the plunger comprises a plunger head.
  • This plunger head cooperates with a complementary mechanism, which effect the three switching states for the electrical contact device, as described in relation to the respective actuation of the actuator in the introductory prior art, namely made in the usual case both electrically conductive connections, in case of failure disconnected first of the two electrically conductive connections and separated in the emergency-off request switching state, the second of the two electrically conductive connections.
  • the spring system provided for positioning the plunger and / or a switching contact unit may comprise two separately formed spring elements, for example in the form of spiral springs.
  • a first spring element can in this case bias the displaceable plunger in the axial direction, for example by end Federkraftbeetzschlagung so that with appropriate freedom of movement of the plunger - not correct connection between the electrical contact connection element and actuator - the relevant electrically conductive connection is separated by repositioning of the relevant bridge element.
  • a second spring element can, for example, act on the other bridge element such that, with a correct connection between the electrical contact device and the actuating device, it produces the electrically conductive connection associated therewith for the relevant switching contact unit, in the event of an emergency stop request, by actuation of the actuating device but separates.
  • both switching contact units can be controlled by such a spring system.
  • the present invention relates to a command device, in particular an emergency stop switch with an electrical contact device according to one of the embodiments described above and provided for actuating the actuating device.
  • the contact device 1 comprises a first and a second switching contact unit 4, 5 respectively for the production or separation of an electrically conductive connection in dependence of the plunger position along its axially provided positions corresponding to the emergency stop switch prescribed and set out in detail above switching positions.
  • the first switching contact unit 4 comprises a first contact side 6, a second contact side 7 and a respective contact points 6.1 or 7.1 connecting bridge element 8. This, too, may preferably comprise contact points 8.6 and 8.7 made of corresponding contact material.
  • the closed switching contact unit 8 produces an electrically conductive connection.
  • the second switching contact unit 5 comprises in a corresponding manner a first contact side 9 and a second contact side 10 with corresponding contact points 9.1 and 10.1 and a bridge element 11 and preferably formed thereon contact points 11.9 and 11.10. With appropriate switching position of the plunger 3 for producing an electrically conductive connection the respective contacts are connected by closing. In the illustrated state, however, this second electrically conductive connection is disconnected due to the switching position of the plunger 3.
  • a first contact connecting element 13 connects the first contact side 6 of the first switching contact unit to a first contact side 9 of the second switching contact unit in order to connect these two in series.
  • a second contact connection element 14 connects the second contact side 7 of the first switching contact unit with a first connection contact 15, by means of which the electrical contact device can be contacted with an external conductor via the screw connection exemplified here.
  • a third contact connection unit 16 connects the second end of this series connection of first and second switching contact unit from the second contact side 10 of the second contact unit to a second connection contact 17.
  • the second external connection to the electrical contact device is realized via the screw connection, which is again shown by way of example.
  • both electrical switching contact units are arranged within the one-row mounting unit performing housing 2 and are positioned by the plunger according to the respective switching position.
  • connection contacts a single-row circuit structure can be realized.
  • this plunger has a plunger head 18. In the illustrated embodiment, this is arranged on the front side of the plunger and projects with respect to the housing 2.
  • a spring system 19 is provided in the following. This comprises a front-side acting on the plunger first spring 20 and an example acting on the first bridge element, second spring 21st
  • the contact-connection element 16 has a flat, rail-like shape, which is arranged by multiple bending in the central connection region between the two contacts 10 and 17, so to speak, "folded". That is, compared to the other in the representation of the figure, for example, as flat arranged to be designated orientations this portion of the contact-connection element 16 is arranged standing or formed.
  • This advantageously allows a lateral passage on the plunger 3. In this way, a comparatively large line cross-section can be realized without having to reduce the available for the plunger movement cross-sectional area in the same way.
  • FIG. 2 illustrated embodiment of an electrical contact device basically shows a similar structure as the embodiment according to FIG. 1 , Unlike this one is in the FIG. 4
  • the contact-connecting element 16 is not angled in such a way that it is guided past the side of the plunger, but remains in its basically flat in a plane shape and is guided through a recess in the plunger.
  • FIG. 3 shows an embodiment modified relative to the first two circuit arrangements in that the first contact connection element 13 'contacts the contact 8.6' of the first bridge element 8 'with the contact 11.10' of the second bridge element opposite the position in relation to the plunger 3 ' combines.
  • the contact-connection element 13 ' extends in a corresponding manner as to the embodiments in the FIGS. 1 and 2 the third contact-connection element 16.
  • both a laterally guided past the plunger assembly can be provided as well as a guided therethrough.
  • the third contact connection element 16 ' runs only on the right-hand side in the housing relative to the illustration, that is to say on the right and only on one side of the plunger 3'.
  • FIG. 4 is a consisting of an electrical contact device 1 and an actuator 23 command device 22 is shown, in a built-in wall 24 state.

Landscapes

  • Push-Button Switches (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (16)

  1. Dispositif de contact électrique (1), en particulier dispositif de contact d'interrupteur d'arrêt d'urgence, comprenant
    - une première unité de contact de commutation (4) pour établir ou interrompre une connexion électriquement conductrice et
    - une deuxième unité de contact de commutation (5) pour établir ou interrompre une connexion électriquement conductrice, la première et la deuxième unité de contact de commutation (4, 5) comprenant un pont de commutation avec deux points de contact, un premier côté de contact (6) de la première unité de contact de commutation (4) étant relié à un premier côté de contact (9) de la deuxième unité de contact de commutation (5), et un deuxième côté de contact (7) de la première unité de contact de commutation (4) étant relié à un premier contact de raccordement (15) du dispositif de contact (1), et un deuxième côté de contact (10) de la deuxième unité de contact de commutation (5) étant relié à un deuxième contact de raccordement (17) du dispositif de contact, les deux unités de contact de commutation (4, 5) étant conçues pour être actionnables par un poussoir (3) coulissant agissant sur elles, les contacts de raccordement (15, 17) étant prévus pour le raccord du dispositif de contact électrique (1) à une conduite externe, la première et la deuxième unité de contact de commutation (4, 5) étant disposées à l'intérieur d'une unité de montage (2) prévue pour être reliée à un dispositif d'actionnement (22), caractérisé en ce que les deux contacts de raccordement (15, 17) sont disposés dans le dispositif de contact (1) sur des côtés du boîtier opposés par rapport au poussoir (3).
  2. Dispositif de contact électrique (1) selon la revendication 1, caractérisé en ce que le dispositif de contact électrique (1) est conçu en une rangée.
  3. Dispositif de contact électrique (1) selon la revendication 1 ou 2, caractérisé en ce qu'un élément de connexion de contact (16) est prévu, lequel forme une connexion électrique entre un point de contact sur un premier côté du poussoir (3) et un point de contact sur le côté du poussoir (3) opposé au premier côté.
  4. Dispositif de contact électrique (1) selon la revendication précédente 3, caractérisé en ce que l'élément de connexion de contact (14, 16) relie un côté de contact d'une unité de contact de commutation à un contact de raccordement (15, 17).
  5. Dispositif de contact électrique (1) selon la revendication précédente 3, caractérisé en ce que l'élément de connexion de contact relie un côté de contact de la première unité de contact de commutation à un côté de contact de la deuxième unité de contact de commutation.
  6. Dispositif de contact électrique (1) selon la revendication précédente 3, caractérisé en ce que l'élément de connexion de contact (16) passe sur le côté du poussoir (3).
  7. Dispositif de contact électrique (1) selon la revendication précédente 3, caractérisé en ce que l'élément de connexion de contact (16) passe à travers le poussoir (3).
  8. Dispositif de contact électrique (1) selon l'une des revendications précédentes, caractérisé en ce qu'un élément de pont (8, 11) de la première et/ou de la deuxième unité de contact de commutation (4, 5) passe à travers le poussoir (3).
  9. Dispositif de contact électrique (1) selon l'une des revendications précédentes, caractérisé en ce qu'un élément de pont (8, 11) du pont de commutation de la première et/ou de la deuxième unité de contact de commutation (4, 5) passe devant le poussoir (3).
  10. Dispositif de contact électrique (1) selon l'une des revendications précédentes, caractérisé en ce que le poussoir (3) est muni d'une tête de poussoir (18).
  11. Dispositif de contact électrique (1) selon l'une des revendications précédentes, caractérisé en ce qu'un système de ressort (19) est prévu pour positionner la première et la deuxième unité de contact de commutation (4, 5).
  12. Dispositif de contact électrique (1) selon la revendication précédente 11, caractérisé en ce que le système de ressort (19) est prévu pour positionner le poussoir (3) et/ou la première et/ou la deuxième unité de contact de commutation (4, 5).
  13. Dispositif de contact électrique (1) selon l'une des revendications précédentes, caractérisé en ce que la première et la deuxième unité de contact de commutation (4, 5) établissent la connexion électriquement conductrice qui leur est respectivement associée dans le cas d'une connexion conforme du dispositif de contact (1) à un élément d'actionnement prévu pour son actionnement.
  14. Dispositif de contact électrique (1) selon l'une des revendications précédentes, caractérisé en ce que la deuxième unité de contact de commutation (5) interrompt la connexion électriquement conductrice qui lui est associée dans le cas d'une connexion non conforme du dispositif de contact (1) à l'élément d'actionnement prévu pour son actionnement.
  15. Dispositif de contact électrique (1) selon l'une des revendications précédentes, caractérisé en ce que la première unité de contact de commutation (4) interrompt la connexion électriquement conductrice qui lui est associée lors de l'actionnement de l'élément d'actionnement.
  16. Dispositif de commande (22), en particulier interrupteur d'arrêt d'urgence, constitué d'un dispositif de contact électrique (1) selon l'une des revendications précédentes et d'un dispositif d'actionnement (23).
EP11758129.8A 2010-09-17 2011-09-15 Dispositif de contact d'interrupteur d'arrêt d'urgence en ligne Active EP2617046B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010045629A DE102010045629A1 (de) 2010-09-17 2010-09-17 Einreihige NOT-AUS-Schalter-Kontaktvorrichtung
PCT/EP2011/004624 WO2012034698A1 (fr) 2010-09-17 2011-09-15 Dispositif de contact d'interrupteur d'arrêt d'urgence en ligne

Publications (2)

Publication Number Publication Date
EP2617046A1 EP2617046A1 (fr) 2013-07-24
EP2617046B1 true EP2617046B1 (fr) 2018-03-14

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ID=44654066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11758129.8A Active EP2617046B1 (fr) 2010-09-17 2011-09-15 Dispositif de contact d'interrupteur d'arrêt d'urgence en ligne

Country Status (6)

Country Link
US (1) US20130192968A1 (fr)
EP (1) EP2617046B1 (fr)
JP (1) JP5728091B2 (fr)
CN (1) CN103210460A (fr)
DE (1) DE102010045629A1 (fr)
WO (1) WO2012034698A1 (fr)

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
CN105023772B (zh) * 2015-07-24 2017-07-14 苏州市明东电器股份有限公司 一种电动工具用直流开关
JP6432487B2 (ja) 2015-11-06 2018-12-05 オムロン株式会社 スイッチ
JP6428571B2 (ja) 2015-11-06 2018-11-28 オムロン株式会社 スイッチ
JP6447464B2 (ja) 2015-11-06 2019-01-09 オムロン株式会社 スイッチ
JP6447463B2 (ja) 2015-11-06 2019-01-09 オムロン株式会社 スイッチ
CN106098423B (zh) * 2016-08-05 2018-01-02 新乡市光明电器有限公司 大电流紧急断电开关
KR102076267B1 (ko) * 2017-02-21 2020-02-12 에이피시스템 주식회사 비상정지 장치 및 방법
GB2589107A (en) * 2019-09-05 2021-05-26 Eaton Intelligent Power Ltd Semi-independent switch-disconnector
FR3114696B1 (fr) * 2020-09-25 2022-10-14 Schneider Electric Ind Sas Bloc empilable pour unité de commande de hauteur réduite
CN114975009A (zh) * 2021-02-26 2022-08-30 霍尼韦尔国际公司 具有冗余接触垫的开关部件
WO2024078744A1 (fr) * 2022-10-14 2024-04-18 Eaton Intelligent Power Limited Dispositif coulissant destiné à être utilisé dans un mécanisme de commutation

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DE10047998A1 (de) * 1999-09-27 2001-03-29 Allen Bradley Company L L C Schaltkontaktmechanismus

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JPH0751701Y2 (ja) * 1989-04-07 1995-11-22 和泉電気株式会社 スイッチの接点ブロック
DE4101493C2 (de) * 1991-01-19 2001-07-19 Schlegel Georg Gmbh & Co Elektrischer Schalter mit einer Kontaktvorrichtung und einem Stößel
CN2657243Y (zh) * 2003-09-11 2004-11-17 江阴市鼎力起重机械有限公司 控制按钮
DE102005010661B4 (de) * 2005-03-08 2006-12-21 Siemens Ag Befehlsschalter, insbesondere NOT-AUS-Schalter
US7211758B2 (en) * 2005-07-12 2007-05-01 Defond Components Limited Circuit interrupter that produces snap-action connection and disconnection between electrical contacts

Patent Citations (1)

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DE10047998A1 (de) * 1999-09-27 2001-03-29 Allen Bradley Company L L C Schaltkontaktmechanismus

Also Published As

Publication number Publication date
WO2012034698A1 (fr) 2012-03-22
JP2013541145A (ja) 2013-11-07
DE102010045629A1 (de) 2012-03-22
JP5728091B2 (ja) 2015-06-03
US20130192968A1 (en) 2013-08-01
EP2617046A1 (fr) 2013-07-24
CN103210460A (zh) 2013-07-17

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