EP1460666A3 - Key for security related switching processes - Google Patents

Key for security related switching processes Download PDF

Info

Publication number
EP1460666A3
EP1460666A3 EP04005185A EP04005185A EP1460666A3 EP 1460666 A3 EP1460666 A3 EP 1460666A3 EP 04005185 A EP04005185 A EP 04005185A EP 04005185 A EP04005185 A EP 04005185A EP 1460666 A3 EP1460666 A3 EP 1460666A3
Authority
EP
European Patent Office
Prior art keywords
signal path
key
security related
switching processes
actuated
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
EP04005185A
Other languages
German (de)
French (fr)
Other versions
EP1460666A2 (en
EP1460666B1 (en
Inventor
Günter Schwesig
Eduard SCHÖNBERGER
Rudolf Zimmermann
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.)
Siemens AG
Original Assignee
Siemens 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
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP1460666A2 publication Critical patent/EP1460666A2/en
Publication of EP1460666A3 publication Critical patent/EP1460666A3/en
Application granted granted Critical
Publication of EP1460666B1 publication Critical patent/EP1460666B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/16—Security signalling or alarm systems, e.g. redundant systems
    • 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
    • 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
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/242—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting the contact forming a part of a coil spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H2009/0083—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 using redundant components, e.g. two pressure tubes for pressure switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2225/00—Switch site location
    • H01H2225/014—Switch site location normally closed combined with normally open
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2239/00—Miscellaneous
    • H01H2239/03—Avoiding erroneous switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Lock And Its Accessories (AREA)

Abstract

Eine konstruktiv einfache, zur Erzeugung sicherheitsgerichteter Signale ausgelegte Taste (1) umfasst mindestens zwei durch manuelle Betätigung eines Betätigungsorgans (10) gemeinsam betätigbare, mechanisch entkoppelte Schaltelemente (2,3), wobei das erste Schaltelement (2) in betätigtem Zustand nach Art eines Wechselschalters einen in einem Ruhezustand geschlossenen Signalpfad (40) unterbricht und einen im Ruhezustand offenen Signalpfad (41) durchschaltet, und wobei das in den im Ruhezustand offenen Signalpfad (41) geschaltete zweite Schaltelement (3) diesen in betätigtem Zustand durchschaltet.

Figure 00000001
A structurally simple, designed for generating safety-oriented signals button (1) comprises at least two by manual actuation of an actuator (10) jointly actuated, mechanically decoupled switching elements (2,3), wherein the first switching element (2) in the actuated state in the manner of a changeover switch interrupts a signal path (40) which is closed in an idle state and switches through a signal path (41) which is open in the idle state, and wherein the second switching element (3) connected in the normally open signal path (41) switches it on in the actuated state.
Figure 00000001
EP20040005185 2003-03-19 2004-03-04 Key for security related switching processes Expired - Lifetime EP1460666B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10312226 2003-03-19
DE2003112226 DE10312226B4 (en) 2003-03-19 2003-03-19 Button for safety-related switching processes

Publications (3)

Publication Number Publication Date
EP1460666A2 EP1460666A2 (en) 2004-09-22
EP1460666A3 true EP1460666A3 (en) 2005-09-28
EP1460666B1 EP1460666B1 (en) 2006-07-05

Family

ID=32797976

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040005185 Expired - Lifetime EP1460666B1 (en) 2003-03-19 2004-03-04 Key for security related switching processes

Country Status (3)

Country Link
EP (1) EP1460666B1 (en)
DE (2) DE10312226B4 (en)
ES (1) ES2268512T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006005182A1 (en) * 2006-02-06 2007-08-09 Robert Bosch Gmbh Manually operable alarm signaling device
DE102007039609A1 (en) 2007-08-22 2009-02-26 Siemens Ag Input device for safety-related inputs based on touch screen technologies
DE202008015142U1 (en) * 2008-11-14 2010-04-08 Bernstein Ag switch
CN108172435B (en) * 2017-12-25 2019-08-20 深圳市巨烽显示科技有限公司 Dual fail-safe two-pass key

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1351755A (en) * 1970-07-09 1974-05-01 Hoover Ltd Washing and wringing machines
DE19946471A1 (en) * 1999-09-28 2001-03-29 Siemens Ag Multichannel safety-control switching element e.g. for industrial machines and equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3519661A1 (en) * 1985-06-01 1986-12-04 M A N Technologie GmbH, 8000 München METHOD AND DEVICE FOR SEPARATING CO (ARROW DOWN) 2 (ARROW DOWN) SHARES FROM GASES
DE4312771C2 (en) * 1993-04-20 1996-07-04 Hbc Electronic Funktechnik Gmb Two-stage button
US5990772A (en) * 1995-06-02 1999-11-23 Duraswitch Industries, Inc. Pushbutton switch with magnetically coupled armature

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1351755A (en) * 1970-07-09 1974-05-01 Hoover Ltd Washing and wringing machines
DE19946471A1 (en) * 1999-09-28 2001-03-29 Siemens Ag Multichannel safety-control switching element e.g. for industrial machines and equipment

Also Published As

Publication number Publication date
EP1460666A2 (en) 2004-09-22
EP1460666B1 (en) 2006-07-05
DE10312226A1 (en) 2004-11-25
ES2268512T3 (en) 2007-03-16
DE10312226B4 (en) 2007-04-12
DE502004000899D1 (en) 2006-08-17

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