EP0234193B1 - Agencement d'interrupteur - Google Patents

Agencement d'interrupteur Download PDF

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Publication number
EP0234193B1
EP0234193B1 EP87100141A EP87100141A EP0234193B1 EP 0234193 B1 EP0234193 B1 EP 0234193B1 EP 87100141 A EP87100141 A EP 87100141A EP 87100141 A EP87100141 A EP 87100141A EP 0234193 B1 EP0234193 B1 EP 0234193B1
Authority
EP
European Patent Office
Prior art keywords
switch
switching
foil
membrane
contact elements
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.)
Expired - Lifetime
Application number
EP87100141A
Other languages
German (de)
English (en)
Other versions
EP0234193A2 (fr
EP0234193A3 (en
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(B1) "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 is concerned with the switching of movement functions in 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 a fault 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.
  • this solution requires an increased space requirement on the switching unit and thus a corresponding structural Size, since this switching unit for the multitude of movement sequences of the storage device also has a large number of switches, the actuating elements of which cannot be reduced arbitrarily. In addition, the operation of two switches is cumbersome.
  • switch arrangements comprising two switches having electrical contact elements, of which at least one switch is designed as a membrane switch, which is a contact element load-bearing flexible base film and a switching film which is elastically deflectable in the direction of this and carries the counter-contact elements, the other switch being arranged behind the film button in the sense of the button in such a way that it is exerted by a pressure exerted on the button in the direction of the button and which exceeds the actuating pressure of the button Membrane button is pressed.
  • a membrane switch which is a contact element load-bearing flexible base film and a switching film which is elastically deflectable in the direction of this and carries the counter-contact elements
  • the other switch being arranged behind the film button in the sense of the button in such a way that it is exerted by a pressure exerted on the button in the direction of the button and which exceeds the actuating pressure of the button Membrane button is pressed.
  • the invention has for its object to enable the switching of movement functions on patient positioning devices with a switch arrangement that takes up little space and enables convenient operation.
  • 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, this is first actuated. By pushing the flexible membrane button in further, the electrical switches arranged below or behind them are actuated.
  • 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 membrane of the membrane switch following in the scanning direction.
  • the movement function of the bearing 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 2 switching contacts 8 and on the switching film 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 button B arranged behind the membrane button 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 two superimposed membrane buttons A and B are shown, here the flexible base film 4 of the membrane button A and the flexible switching film of the membrane button B are replaced by a flexible combination film 12.
  • Guide contacts 9 of the membrane switch 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 now 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)

Claims (1)

  1. Emploi d'un arrangement d'interrupteur pour la commutation des fonctions de mouvement réglables par moteur sur un installation couche des patients, ledit arrangement comprenant au moins deux interrupteurs (A,B) ayant des éléments de contact électriques, dont au moins un interrupteur (A,B) est agencé comme un interrupteur à feuille ayant une feuille de base flexible (4;7) portant des éléments de contact (9;11) et une feuille de commutation (2;5) apte à se défléchir élastiquement vers la feuille de base et portant les contre-éléments de contact (8;10), tandis que l'autre interrupteur (B) est disposé derrière l'interrupteur à feuille (A) en la direction de touche de manière qu'il est actué par une pression exercée sur l'interrupteur à feuille (A) en la direction de touche et surmontant la pression d'actuation de l'interrupteur à feuille (A), et dont l'un (A) des interrupteurs est arrangé dans un premier circuit de commutation (15) pour ouvrir et fermer le même, tandis que l'autre interrupteur (B) est arrangé dans un second circuit de commutation (16) pour ouvrir et fermer le même, les deux circuits de commutation (15,16) étant reliés aux entrées d'un opérateur ET (17), dont le signal de sortie commande une fonction de mouvement lors de la fermeture des deux circuits de commande (15,16).
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 EP0234193A2 (fr) 1987-09-02
EP0234193A3 EP0234193A3 (en) 1988-08-24
EP0234193B1 true 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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9941084B2 (en) 2010-11-16 2018-04-10 Trumpf Medizin Systeme Gmbh + Co. Kg Switching devices for medical apparatuses and related systems and methods

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US4905001A (en) * 1987-10-08 1990-02-27 Penner Henry C Hand-held finger movement actuated communication devices and systems employing such devices
DE3919099A1 (de) * 1989-06-10 1990-12-20 Telefunken Electronic Gmbh Mehrstufiger schalter
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
DE10113031B4 (de) * 2001-03-17 2004-02-19 Cimosys Ltd., St. Helier Elektromotorischer Möbelantrieb zur Verstellung von Teilen eines Möbels relativ zueinender
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
WO2009066105A1 (fr) 2007-11-21 2009-05-28 Smith & Nephew Plc Pansement de plaie
CA2705898C (fr) 2007-11-21 2020-08-25 Smith & Nephew Plc Pansement de plaie
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
TW201205626A (en) * 2010-07-30 2012-02-01 Primax Electronics Ltd Dual force sensing keyboard
CA3122007A1 (en) 2012-03-12 2013-09-19 Smith & Nephew Plc Reduced pressure apparatus and methods
DE102014201289A1 (de) * 2014-01-24 2015-07-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Tastatur und System mit einer Tastatur
WO2016174048A1 (fr) 2015-04-27 2016-11-03 Smith & Nephew Plc Appareils à pression réduite
US9991070B2 (en) * 2015-09-22 2018-06-05 Apple Inc. Multiple function switch with mechanical feedback
US11723809B2 (en) 2016-03-07 2023-08-15 Smith & Nephew Plc Wound treatment apparatuses and methods with negative pressure source integrated into wound dressing
CN109121396B (zh) 2016-04-26 2022-04-05 史密夫及内修公开有限公司 与具有流体侵入抑制部件的一体化负压源一起使用的伤口敷料和方法
WO2017191149A1 (fr) 2016-05-03 2017-11-09 Smith & Nephew Plc Optimisation de transfert de puissance vers des sources de pression négative dans des systèmes de thérapie à pression négative
US11305047B2 (en) 2016-05-03 2022-04-19 Smith & Nephew Plc Systems and methods for driving negative pressure sources in negative pressure therapy systems
EP3452129B1 (fr) 2016-05-03 2022-03-23 Smith & Nephew plc Activation et commande d'un dispositif de traitement des plaies par pression négative
WO2018037075A1 (fr) 2016-08-25 2018-03-01 Smith & Nephew Plc Pansement absorbant de thérapie par pression négative pour les plaies
WO2018060417A1 (fr) 2016-09-30 2018-04-05 Smith & Nephew Plc Appareils et procédés de traitement de plaies par pression négative avec électronique intégrée
AU2017375560B2 (en) 2016-12-12 2023-07-06 Smith & Nephew Plc Pressure wound therapy status indication via external device
CA3055664A1 (fr) 2017-03-08 2018-09-13 Smith & Nephew Plc Commande de dispositif de traitement de plaie par pression negative en presence d'une condition de defaillance
WO2018206420A1 (fr) * 2017-05-09 2018-11-15 Smith & Nephew Plc Commandes redondantes pour systèmes de traitement de plaies par pression négative
WO2019053101A1 (fr) 2017-09-13 2019-03-21 Smith & Nephew Plc Appareils et procédés de traitement de plaies par pression négative avec électronique intégrée
GB201718070D0 (en) 2017-11-01 2017-12-13 Smith & Nephew Negative pressure wound treatment apparatuses and methods with integrated electronics
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
EP3703632B1 (fr) 2017-11-01 2024-04-03 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
GB201903774D0 (en) 2019-03-20 2019-05-01 Smith & Nephew Negative pressure wound treatment apparatuses and methods with integrated electronics
GB201907716D0 (en) 2019-05-31 2019-07-17 Smith & Nephew Systems and methods for extending operational time of negative pressure wound treatment apparatuses
DE102019126495A1 (de) * 2019-10-01 2021-04-01 Keba Ag Sicherheitsschalteinrichtung und Bedienvorrichtung für Roboter oder andere Maschinen

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9941084B2 (en) 2010-11-16 2018-04-10 Trumpf Medizin Systeme Gmbh + Co. Kg Switching devices for medical apparatuses and related systems and methods

Also Published As

Publication number Publication date
JPS62217517A (ja) 1987-09-25
EP0234193A2 (fr) 1987-09-02
DE3751210D1 (de) 1995-05-11
ES2076140T3 (es) 1995-11-01
DE3601363A1 (de) 1988-12-29
US4767943A (en) 1988-08-30
EP0234193A3 (en) 1988-08-24

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