EP0234193A2 - Agencement d'interrupteur - Google Patents

Agencement d'interrupteur Download PDF

Info

Publication number
EP0234193A2
EP0234193A2 EP87100141A EP87100141A EP0234193A2 EP 0234193 A2 EP0234193 A2 EP 0234193A2 EP 87100141 A EP87100141 A EP 87100141A EP 87100141 A EP87100141 A EP 87100141A EP 0234193 A2 EP0234193 A2 EP 0234193A2
Authority
EP
European Patent Office
Prior art keywords
switch
membrane
switching
switches
switch arrangement
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
EP87100141A
Other languages
German (de)
English (en)
Other versions
EP0234193A3 (en
EP0234193B1 (fr
Inventor
Hermann Kieferle
Bernhard Adler
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.)
Stierlen Maquet AG
Original Assignee
Stierlen Maquet AG
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=6292109&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0234193(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stierlen Maquet AG filed Critical Stierlen Maquet AG
Publication of EP0234193A2 publication Critical patent/EP0234193A2/fr
Publication of EP0234193A3 publication Critical patent/EP0234193A3/de
Application granted granted Critical
Publication of EP0234193B1 publication Critical patent/EP0234193B1/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
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
    • H01H13/807—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the spatial arrangement of the contact sites, e.g. superimposed sites
    • 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
    • H01H13/64—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 wherein the switch has more than two electrically distinguishable positions, e.g. multi-position push-button 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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/04—Casings portable; hand held
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/002—Switch site location superimposed
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/008—Two different sites for one circuit, e.g. for safety
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/03—Different type of switches

Definitions

  • the invention relates to a switch arrangement for switching electrical functions with at least two switches having electrical contact elements.
  • the invention is concerned with such switch arrangements for switching movement functions on devices for patient positioning.
  • motor-adjustable movement functions for changing the position of patients are often to be switched by double, independent electrical circuits. If an error occurs in one of the electrical circuits, the movement of the storage device is immediately interrupted or not triggered. The reason for this is that any risk to a patient due to an incorrect movement function of the positioning device must be excluded.
  • the invention has for its object to provide a switch assembly of the type mentioned, which avoids the disadvantages described above, requires little space and enables convenient operation.
  • At least one switch is designed as a membrane switch, which has a flexible base film carrying contact elements and a switching element which is elastically deflectable in the direction thereof and has the counter-contact elements, in particular a switching film, and in that the other switch in the tactile direction behind the
  • the membrane switch is arranged in such a way that it can be actuated by a pressure on the membrane button that exceeds the actuation pressure of the membrane button.
  • the switch arrangement for example, only the space corresponding to the touch surface of the membrane push button is required on a switching device.
  • the overall height of the switch arrangement is also very low in the pushbutton direction, since the membrane switch itself takes up little space. By pressing the membrane button, first this actuates.
  • the electrical switch located below or behind can then be actuated by further pressing in the flexible membrane switch.
  • This switch located behind it can also be designed as a membrane switch or as a mechanical pressure switch. In the case of a plurality of membrane switches arranged one behind the other, it is advantageous with regard to the overall height of the entire switch arrangement if the base film of the membrane switch located at the front in the scanning direction forms the switching film of the membrane switch following in the scanning direction.
  • the switch arrangement according to the invention in a circuit in such a way that all switches in the same circuit are connected in series.
  • the switches are each arranged in separate circuits which are connected to the inputs of an AND gate, the output signal of which then only controls a movement function of the bearing device.
  • the movement function of the storage device can be interrupted in any case, even if the contact elements on one of the switches remain closed unintentionally, for example stick to one another.
  • the first actuated membrane button A consists of a flexible front film 1, a flexible switching film 2, a spacer film 3 and a flexible base film 4, and on the switching film 2 conductive contacts 8 and the base film 4 guide contacts 9 are arranged.
  • the lead contacts 8 and 9 have a distance x from one another in the retired state.
  • the membrane switch B arranged behind the membrane switch A consists of a flexible switching film 5 with guide contacts 10, a spacer film 6 and a base film 7 with guide contacts 11.
  • the guide contacts 10 and 11 are at a distance y from one another in the idle state.
  • FIG. 2 shows two membrane buttons A and B arranged one above the other, with the flexible base film 4 of the membrane button A and the flexible switching film of the membrane button B being replaced by a flexible combination film 12.
  • Guide contacts 9 of the membrane pushbutton A are arranged on one side of the combination film, and guide contacts 10 of the membrane switch B are arranged on the other side of the combination film 12. In this case, however, the guide contacts 9 and 10 are also electrically non-conductively separated from one another.
  • a membrane switch A and another electrical button B arranged below it are shown.
  • the membrane switch 1 consists of a flexible front film 1, a flexible switching film 2 with guide contacts 8, a spacer film 3 and a flexible base film 4 with guide contacts 9.
  • the other electrical switch or button B arranged underneath can consist of a housing 13 and e.g. can be switched by a pin 14.
  • FIG. 4 again shows a switch arrangement according to FIG. 2 with two membrane buttons A and B arranged one behind the other.
  • the contact elements 8 and 9 of the membrane button A are connected in a line 15.
  • the contact elements 10 and 11 of the membrane switch B are connected in a line 16.
  • the lines 15 and 16 are connected to the inputs of an AND gate 17. It can be seen that the AND gate 17 can only deliver an output signal if both membrane switches A and B are closed. With regard to safety requirements, the switching function of the switch arrangement shown in FIG. 4 is also canceled when only one of the membrane buttons A and B opens.
  • FIG. 5 shows an operating device for a patient support unit with a housing 18 in the surface 19 of which a large number of switch arrangements 20 are embedded.
  • Each pair of switch arrangements 20 arranged next to one another serves to control a movement function of the patient positioning device in both directions.
  • Each of the switch arrangements 20 can be designed according to one of the exemplary embodiments corresponding to FIGS. 1 to 3. It can be seen that the surface of the operating device would have to be practically doubled and the operation would be much more confusing and cumbersome if one had to provide two separate switches instead of one switch arrangement 20 in the conventional manner.

Landscapes

  • Push-Button Switches (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP87100141A 1986-01-18 1987-01-08 Agencement d'interrupteur Expired - Lifetime EP0234193B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3601363 1986-01-18
DE19863601363 DE3601363A1 (de) 1986-01-18 1986-01-18 Elektrisches schaltelement

Publications (3)

Publication Number Publication Date
EP0234193A2 true EP0234193A2 (fr) 1987-09-02
EP0234193A3 EP0234193A3 (en) 1988-08-24
EP0234193B1 EP0234193B1 (fr) 1995-04-05

Family

ID=6292109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87100141A Expired - Lifetime EP0234193B1 (fr) 1986-01-18 1987-01-08 Agencement d'interrupteur

Country Status (5)

Country Link
US (1) US4767943A (fr)
EP (1) EP0234193B1 (fr)
JP (1) JPS62217517A (fr)
DE (2) DE3601363A1 (fr)
ES (1) ES2076140T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989003569A1 (fr) * 1987-10-08 1989-04-20 Penner Henry C Dispositifs de communication tenant dans la main et actionnes par un mouvement des doigts et systeme utilisant de tels dispositifs
DE3919099A1 (de) * 1989-06-10 1990-12-20 Telefunken Electronic Gmbh Mehrstufiger schalter
WO2002075761A1 (fr) * 2001-03-17 2002-09-26 Cimosys Limited Entrainement electromoteur pour meuble pour le deplacement de parties d'un meuble les unes par rapport aux autres
DE202009008492U1 (de) * 2009-06-17 2010-11-04 Zhang, Yine Tastschalter
DE102010003493A1 (de) * 2010-03-31 2012-02-16 BSH Bosch und Siemens Hausgeräte GmbH Schalteinrichtung in einer Bedienungs- und/oder Steuerungsanordnung eines elektrischen Hausgerätes
EP2905674A1 (fr) * 2014-01-24 2015-08-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Clavier et système avec un clavier
WO2021062454A1 (fr) * 2019-10-01 2021-04-08 Keba Ag Dispositif de commutation de sécurité et appareil de commande pour robots ou autres machines

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0320830U (fr) * 1989-07-12 1991-02-28
US4977298A (en) * 1989-09-08 1990-12-11 Matsushita Electric Industrial Co., Ltd. Panel switch
US5121091A (en) * 1989-09-08 1992-06-09 Matsushita Electric Industrial Co., Ltd. Panel switch
US5061830A (en) * 1990-04-16 1991-10-29 Ambrose Stephen D Extension electrical switch system and method of manufacture
DE19647836A1 (de) * 1996-11-19 1998-05-20 Roemheld A Gmbh & Co Kg Ansteuerungssystem für elektromechanische Lineareinheiten zur Fehlersicherheit
DE19715642C2 (de) 1997-04-15 2001-05-10 Hill Rom Gmbh Aktives Medizinprodukt
US6123073A (en) * 1997-10-01 2000-09-26 Nellcor Puritan Bennett Switch overlay in a piston ventilator
US7846141B2 (en) 2002-09-03 2010-12-07 Bluesky Medical Group Incorporated Reduced pressure treatment system
US6639165B1 (en) * 2002-10-28 2003-10-28 Delphi Technologies, Inc. Multiple contact fluid pressure switch
GB0325129D0 (en) 2003-10-28 2003-12-03 Smith & Nephew Apparatus in situ
EP1648010A1 (fr) * 2004-10-18 2006-04-19 IEE INTERNATIONAL ELECTRONICS & ENGINEERING S.A. Capteur de pression du type à feuilles multicouche adapté pour réduire au minimum problémes de préchargement
US7779625B2 (en) 2006-05-11 2010-08-24 Kalypto Medical, Inc. Device and method for wound therapy
US8808274B2 (en) 2007-11-21 2014-08-19 Smith & Nephew Plc Wound dressing
MX2010005552A (es) 2007-11-21 2010-06-02 Smith & Nephew Aposito para heridas.
TW201205626A (en) * 2010-07-30 2012-02-01 Primax Electronics Ltd Dual force sensing keyboard
EP2455959B1 (fr) 2010-11-16 2013-03-06 TRUMPF Medizin Systeme GmbH + Co. KG Dispositif de commutation pour un appareil médical et procédé de fonctionnement du dispositif de commutation
CN107320791B (zh) 2012-03-12 2022-02-08 史密夫及内修公开有限公司 用于减压伤口治疗的伤口敷料装置
ES2769811T3 (es) 2015-04-27 2020-06-29 Smith & Nephew Aparatos de presión reducida
US9991070B2 (en) * 2015-09-22 2018-06-05 Apple Inc. Multiple function switch with mechanical feedback
AU2017230775B2 (en) 2016-03-07 2021-12-23 Smith & Nephew Plc Wound treatment apparatuses and methods with negative pressure source integrated into wound dressing
AU2017256692B2 (en) 2016-04-26 2022-03-03 Smith & Nephew Plc Wound dressings and methods of use with integrated negative pressure source having a fluid ingress inhibition component
CN109069710B (zh) 2016-05-03 2022-04-12 史密夫及内修公开有限公司 优化到负压治疗系统中的负压源的功率传输
JP6975172B2 (ja) 2016-05-03 2021-12-01 スミス アンド ネフュー ピーエルシーSmith & Nephew Public Limited Company 陰圧療法システムにおける陰圧源を駆動するためのシステム及び方法
WO2017191154A1 (fr) 2016-05-03 2017-11-09 Smith & Nephew Plc Activation et commande d'un dispositif de traitement des plaies par pression négative
CN109561994B (zh) 2016-08-25 2022-03-15 史密夫及内修公开有限公司 吸收性负压伤口疗法敷料
US11564847B2 (en) 2016-09-30 2023-01-31 Smith & Nephew Plc Negative pressure wound treatment apparatuses and methods with integrated electronics
US12005181B2 (en) 2016-12-12 2024-06-11 Smith & Nephew Plc Pressure wound therapy status indication via external device
JP7361606B2 (ja) 2017-03-08 2023-10-16 スミス アンド ネフュー ピーエルシー 障害状態の存在下での陰圧創傷療法装置の制御
US11160915B2 (en) 2017-05-09 2021-11-02 Smith & Nephew Plc Redundant controls for negative pressure wound therapy systems
GB201718070D0 (en) 2017-11-01 2017-12-13 Smith & Nephew Negative pressure wound treatment apparatuses and methods with integrated electronics
CA3074780A1 (fr) 2017-09-13 2019-03-21 Smith & Nephew Plc Appareils et procedes de traitement de plaies par pression negative avec electronique integree
GB201718072D0 (en) 2017-11-01 2017-12-13 Smith & Nephew Negative pressure wound treatment apparatuses and methods with integrated electronics
GB201718054D0 (en) 2017-11-01 2017-12-13 Smith & Nephew Sterilization of integrated negative pressure wound treatment apparatuses and sterilization methods
WO2019086332A1 (fr) 2017-11-01 2019-05-09 Smith & Nephew Plc Appareils et procédés de traitement de plaies par pression négative avec électronique intégrée
USD898925S1 (en) 2018-09-13 2020-10-13 Smith & Nephew Plc Medical dressing
GB201907716D0 (en) 2019-05-31 2019-07-17 Smith & Nephew Systems and methods for extending operational time of negative pressure wound treatment apparatuses

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1316747A (fr) * 1962-02-01 1963-02-01 Contacteur (dit flottant) à contacts simples et multiples
US3917917A (en) * 1973-08-23 1975-11-04 Alps Electric Co Ltd Keyboard pushbutton switch assembly having multilayer contact and circuit structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2902769C2 (de) * 1979-01-25 1982-12-09 Rudolf Schadow Gmbh, 1000 Berlin Drucktastenschalter
JPS6091511A (ja) * 1983-10-24 1985-05-22 豊田合成株式会社 ステアリングホイ−ル
DE3415672A1 (de) * 1984-04-27 1985-11-07 Wilde Membran Impuls Tech Mehrfachschalter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1316747A (fr) * 1962-02-01 1963-02-01 Contacteur (dit flottant) à contacts simples et multiples
US3917917A (en) * 1973-08-23 1975-11-04 Alps Electric Co Ltd Keyboard pushbutton switch assembly having multilayer contact and circuit structure

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989003569A1 (fr) * 1987-10-08 1989-04-20 Penner Henry C Dispositifs de communication tenant dans la main et actionnes par un mouvement des doigts et systeme utilisant de tels dispositifs
DE3919099A1 (de) * 1989-06-10 1990-12-20 Telefunken Electronic Gmbh Mehrstufiger schalter
WO2002075761A1 (fr) * 2001-03-17 2002-09-26 Cimosys Limited Entrainement electromoteur pour meuble pour le deplacement de parties d'un meuble les unes par rapport aux autres
DE202009008492U1 (de) * 2009-06-17 2010-11-04 Zhang, Yine Tastschalter
DE102010003493A1 (de) * 2010-03-31 2012-02-16 BSH Bosch und Siemens Hausgeräte GmbH Schalteinrichtung in einer Bedienungs- und/oder Steuerungsanordnung eines elektrischen Hausgerätes
EP2905674A1 (fr) * 2014-01-24 2015-08-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Clavier et système avec un clavier
WO2021062454A1 (fr) * 2019-10-01 2021-04-08 Keba Ag Dispositif de commutation de sécurité et appareil de commande pour robots ou autres machines

Also Published As

Publication number Publication date
EP0234193A3 (en) 1988-08-24
EP0234193B1 (fr) 1995-04-05
US4767943A (en) 1988-08-30
ES2076140T3 (es) 1995-11-01
DE3751210D1 (de) 1995-05-11
DE3601363A1 (de) 1988-12-29
JPS62217517A (ja) 1987-09-25

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