EP0347904A3 - Mehrfach-Druckschalter - Google Patents

Mehrfach-Druckschalter Download PDF

Info

Publication number
EP0347904A3
EP0347904A3 EP19890111369 EP89111369A EP0347904A3 EP 0347904 A3 EP0347904 A3 EP 0347904A3 EP 19890111369 EP19890111369 EP 19890111369 EP 89111369 A EP89111369 A EP 89111369A EP 0347904 A3 EP0347904 A3 EP 0347904A3
Authority
EP
European Patent Office
Prior art keywords
switches
membrane
edge
support plate
midfield
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
EP19890111369
Other languages
English (en)
French (fr)
Other versions
EP0347904B1 (de
EP0347904A2 (de
Inventor
Helmut Dr. Dipl.-Phys. Baader
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.)
Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
Original Assignee
Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
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 Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA filed Critical Elektromanufaktur Zangenstein Hanauer GmbH and Co KGaA
Publication of EP0347904A2 publication Critical patent/EP0347904A2/de
Publication of EP0347904A3 publication Critical patent/EP0347904A3/de
Application granted granted Critical
Publication of EP0347904B1 publication Critical patent/EP0347904B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/2657—Details with different switches operated at substantially different pressures
    • H01H35/2664—Details with different switches operated at substantially different pressures making use of a balance plate pivoting about different axes

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Push-Button Switches (AREA)

Abstract

Eine Membran (14), die an ihrem Rand (16) eingespannt ist, hat ein flaches Mittelfeld (18) sowie eine zwischen diesem und ihrem Rand (16) angeordnete Rollfalte (20). Durch einen auf die Membran (14) einwirkenden Druck sind drei Schalter (36, 36′, 36″) betätigbar. Zur Übertragung der durch den Druck auf die Membran (14) hervorgerufenen Betätigungskräfte auf Koppelpunkte (32, 32′, 32″) an je einem der Schalter (36, 36′, 36″) ist eine Stützplatte (22) vorgesehen. Das Mittelfeld (18) der Membran (14) ist nur gemeinsam mit der Stützplatte (22) zum Rand (16) der Membran (14) verschiebbar. Die Stützplatte (22) ist an den Koppelpunkten (32, 32′) zweier Schalter (36, 36′) derart kippbar abgestützt, daß die durch das Mittelfeld (18) und einen daran angrenzenden Teil der Rollfalte (20) definier­ te wirksame Fläche der Membran (14) sich bei Betätigung eines dieser beiden Schalter (36, 36′) zum anderen dieser beiden Schalter hin verlagert. Damit wird erreicht, daß diese beiden Schalter (36, 36′) auch dann mit Sicherheit in einer bestimmten Reihenfolge schalten, wenn ihre Schaltdrücke sich nur geringfügig voneinander unter­ scheiden.
EP89111369A 1988-06-24 1989-06-22 Mehrfach-Druckschalter Expired - Lifetime EP0347904B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3821425A DE3821425C1 (de) 1988-06-24 1988-06-24
DE3821425 1988-06-24

Publications (3)

Publication Number Publication Date
EP0347904A2 EP0347904A2 (de) 1989-12-27
EP0347904A3 true EP0347904A3 (de) 1991-04-10
EP0347904B1 EP0347904B1 (de) 1992-09-02

Family

ID=6357214

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89111369A Expired - Lifetime EP0347904B1 (de) 1988-06-24 1989-06-22 Mehrfach-Druckschalter

Country Status (3)

Country Link
EP (1) EP0347904B1 (de)
DE (2) DE3821425C1 (de)
ES (1) ES2034514T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137115A1 (de) * 1991-11-12 1993-05-13 Dieter Dipl Ing Fleischer Tastatur
DE4401314C2 (de) * 1994-01-19 1998-01-22 Nbb Nachrichtentech Gmbh Mehrstufenschalter
DE19610254C1 (de) * 1996-03-15 1997-05-28 Zangenstein Elektro Druckschalter
DE19637607A1 (de) * 1996-09-16 1998-03-19 Trw Fahrzeugelektrik Druckschalteinrichtung, insbesondere für die Kraftfahrzeugtechnik
DE102004041403B3 (de) * 2004-08-26 2005-11-24 Elektromanufaktur Zangenstein Hanauer Gmbh & Co. Kgaa Baueinheitlich integrierte Druckschalter- und Druckerfassungsvorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1590361A1 (de) * 1965-09-30 1970-04-16 Elbi S A S Dei Flii Bianco Elektrischer Membran-Druckschalter
EP0026449A1 (de) * 1979-09-26 1981-04-08 Elektromanufaktur Zangenstein Hanauer GmbH & Co Mehrfach-Druckschalter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1590361A1 (de) * 1965-09-30 1970-04-16 Elbi S A S Dei Flii Bianco Elektrischer Membran-Druckschalter
EP0026449A1 (de) * 1979-09-26 1981-04-08 Elektromanufaktur Zangenstein Hanauer GmbH & Co Mehrfach-Druckschalter

Also Published As

Publication number Publication date
DE58902189D1 (de) 1992-10-08
DE3821425C1 (de) 1989-06-08
EP0347904B1 (de) 1992-09-02
ES2034514T3 (es) 1993-04-01
EP0347904A2 (de) 1989-12-27

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