EP1047088B1 - Elément interrupteur, en particulier interrupteur actionné par onde de pression - Google Patents

Elément interrupteur, en particulier interrupteur actionné par onde de pression Download PDF

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Publication number
EP1047088B1
EP1047088B1 EP00106941A EP00106941A EP1047088B1 EP 1047088 B1 EP1047088 B1 EP 1047088B1 EP 00106941 A EP00106941 A EP 00106941A EP 00106941 A EP00106941 A EP 00106941A EP 1047088 B1 EP1047088 B1 EP 1047088B1
Authority
EP
European Patent Office
Prior art keywords
contact
contact element
exciter
diaphragm
switching element
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
EP00106941A
Other languages
German (de)
English (en)
Other versions
EP1047088A2 (fr
EP1047088A3 (fr
Inventor
Christof Lexer
Godert Dr. De Jager
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.)
Bircher Reglomat AG
Original Assignee
Bircher Reglomat 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 Bircher Reglomat AG filed Critical Bircher Reglomat AG
Publication of EP1047088A2 publication Critical patent/EP1047088A2/fr
Publication of EP1047088A3 publication Critical patent/EP1047088A3/fr
Application granted granted Critical
Publication of EP1047088B1 publication Critical patent/EP1047088B1/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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/24—Power arrangements internal to the switch for operating the driving mechanism using pneumatic or hydraulic actuator
    • 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
    • H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift

Definitions

  • the present invention relates to a switching element, in particular pressure wave switches to protect Pinching points on actuable gates, doors or the like, with at least one pressure chamber, which at least partially with is provided with a membrane, with a membrane Excitation contact element for making contact with a customer contact element is connectable.
  • Such pressure wave switches are in a wide variety of forms and execution known and available in the market. You serve essentially to secure pinching points, especially in the case of actuatable doors, gates or the like. Often sealed rubber or hollow profiles are used, which is described with a hose with a Pressure wave switches are connected. With a certain
  • Pressure on the hose if, for example, a door, a gate, Window or the like is closed, a pressure in the Pressure wave switch built and an electrical contact between an excitation contact element and a customer contact element will be closed. If the door is opened like this the pressure in the pressure wave switch decreases, the membrane goes back and an electrical contact is broken. This directs the corresponding signal, which can be processed further.
  • a contact element which is the membrane is assigned linearly against another contact element a customer contact element moves. This is where it comes from often with such pressure wave switches Soiling and especially signs of wear. Frequent actuation creates the spark a so-called insulating layer, which the Reliability of such a pressure wave switch strong impaired. Such switches are often moved making very high demands on wear are. These switches react, for example, to one Air pressure in the system of about 2 mbar. With the Contact closure can be a stop or reverse signal on Drive of the door or at the gate can be forwarded.
  • the present invention is based on the object Switching element, in particular a pressure wave switch to create the type mentioned, which the above Disadvantages eliminated, and with which on simple and inexpensive and safe way of permanent switching is possible without the contact elements becoming dirty, by sparking a corrosive and isolating Layer forms and which is reliable in operation.
  • Excitation contact element and / or the customer contact element to establish a common contact from a Contact level by means of pressure or negative pressure on the membrane can be moved out and both contact elements can be pivoted about respective pivot points, the movement of the Contact elements to each other are their contact surfaces slide over each other.
  • a switching element in particular a pressure wave switch is formed, which maintenance-free with significantly increased reliability is working.
  • a connection 3 for creating a Compressed air hose or the like element To the pressure chamber 2 opens a connection 3 for creating a Compressed air hose or the like element.
  • the pressure chamber 2 is covered by a membrane 4, which is opposite Housing 1 shown in the pressurization Arrow direction X is movable. Doing so will get to the membrane 4 applied exciter contact element 5 against Customer contact element 6 moves and an electrical Contact has been established.
  • excitation contact element 5 and customer contact element 6 are excitation contact element 5 and customer contact element 6 and in particular whose contact elements 7, 8 outside a membrane plane M. Also exciter contact element 5 and customer contact element 6 at fictional pivot points 9, 10 and 11 Pressurization of the contact elements 7, 8 on one another by moving the membrane 4 to the outside.
  • FIG. 3 there is one Deflected position shown in dashed lines after a Pressurizing the customer contact element 6 indicated.
  • the customer contact element 6 pivots around the fictitious pivot point 9, so that there is a direction of movement the customer contact element 6, as shown in Indicated by arrow direction, results.
  • the fictional Direction of movement to contact plane E closes an angle ⁇ , which is between 10 and 40, preferably 30 degrees lies. For example, only the contact element 8, be moved linearly in contact plane E, the Contact elements 7, 8 still move against each other.
  • contact element 7 is preferred, in particular the excitation contact element 5 around the fictitious pivot point 10 and / or around the fictitious pivot point 11, as is also shown in FIG 4b is shown pivoted so that a movement of the Contact element 7 allows out of the contact plane E. becomes.
  • the fictitious fulcrum 10, 11 lies outside the contact plane E and preferably close to the membrane plane M.
  • the direction of movement of the excitation contact element 5 as it is shown in particular in Figure 4b describes a Swiveling movement around the fictitious pivot point 10 and / or 11 out of the contact level E. This slides it Contact element 7 when it is opposite the contact element 8 is moved on its radius, so that permanently one electrical connection remains guaranteed. Dirt particles or the like are by this sliding and movement against each other eliminated. Likewise is a structure of an insulating layer by the permanent pushing and rubbing of each other Contact elements 7, 8 prevented.
  • excitation contact element 5 and are preferred Customer contact element 6 moves against each other.
  • the contact elements 7, 8 each from the contact plane E. the respective fictional pivot points 9, 11 moved. Consequently move the contact element 7, 8 one above the other and are permanently engaged when the switching element R, in particular the membrane 4 is pressurized.
  • this is Exciter contact element 5 with a partially on the membrane 4 adjacent support arm 12, which may be through Pressurization and bending around the fictitious pivot point 11 bulges downwards, so that the holding arm 12, like shown in dashed lines, rolls on the membrane 4. This protects the membrane 4 and creates a harmonious roll or sliding movement of the contact element 7 on the Contact element 8 of the customer contact element 6.
  • the present inventive concept encompasses that the two contact elements 7, 8 in a rest position, are not interrupted as shown in Figure 2, but to each other, possibly under less pressure, issue.
  • An electrical connection is permanent connected.
  • the switching element according to the invention is also means Negative pressure can be controlled.
  • the present invention also includes that, for example, the excitation contact element 5, which is actuated by the membrane 4, is not arranged below the contact element 8 or below the customer contact element 6, as shown in FIG. 2, but rather overlaps it.
  • An existing connection of the contact elements 7, 8 can thus be interrupted by means of pressurization, in particular overpressure on the pressure chamber 2 and a resulting deflection of the membrane 4 in the X direction. It is also conceivable that in the case of negative pressure, when the contact elements 7, 8 are interrupted with respect to one another, a corresponding electrical connection is established by closing the contact elements 7, 8.

Landscapes

  • Push-Button Switches (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Contacts (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Claims (17)

  1. Elément interrupteur, en particulier interrupteur actionné par onde de pression pour la protection de zones de coincement de portails, portes ou autres actionnables, avec au moins une chambre de pression munie au moins partiellement d'une membrane (4), par l'intermédiaire de la membrane (4) pouvant être relié un élément de contact d'activation (5) pour l'établissement d'un contact à un élément de contact de client (6),
       caractérisé par le fait    que l'élément de contact d'activation (5) et/ou l'élément de contact de client (6) peut être déplacé, pour l'établissement d'un contact commun, hors d'un plan de contact (E) au moyen d'une pression ou d'une dépression sur la membrane (4) et que les deux éléments de contact (5, 6) sont pivotables autour de points de rotation respectifs (9, 11), par le déplacement des éléments de contact {7, 8) l'un par rapport à l'autre, leurs faces de contact glissant l'une au-dessus de l'autre.
  2. Elément interrupteur selon la revendication 1, caractérisé par le fait que les points de rotation (9, 11) de l'élément de contact d'activation (5) et de l'élément de contact de client (6) se situent en dehors du plan de contact (E) commun.
  3. Elément interrupteur selon la revendication 1 ou 2, caractérisé par le fait que les éléments de contact (7, 8) de l'élément de contact d'activation (5) et l'élément de contact de client (6) sont disposés à une distance en dehors d'un plan de membrane (M).
  4. Elément interrupteur selon la revendication 2 ou 3, caractérisé par le fait qu'un point de rotation (11) de l'élément d'activation (5) ainsi qu'un point de rotation (9) de l'élément de contact de client (6) sont disposés environ opposés l'un à l'autre, chacun en dehors du plan de contact (E).
  5. Elément interrupteur selon au moins l'une des revendications 1 à 4, caractérisé par le fait qu'en cas de soumission de l'élément de contact d'activation (5) contre l'élément de contact de client (6) à une pression, ceux-ci peuvent être déplacés, chacun, latéralement hors du plan (E), les différents éléments de contact (7, 8) de l'élément de contact d'activation (5) ainsi que l'élément de contact de client (6) pouvant être déplacés de manière adjacente l'un à l'autre.
  6. Elément interrupteur selon au moins l'une des revendications 2 à 5, caractérisé par le fait que les points de rotation (9, 11) de l'élément de contact d'activation (5) et de l'élément de contact de client (6) se situent environ dans un plan de membrane (M) commun.
  7. Elément interrupteur selon au moins l'une des revendications 3 à 6, caractérisé par le fait que les éléments de contact (7, 8) sont disposés alignés de manière bombée l'un par rapport à l'autre.
  8. Elément interrupteur selon au moins l'une des revendications 1 à 7, caractérisé par le fait qu'au moins un bras de support (12) de l'élément de contact d'activation (5} est relié à la membrane (4).
  9. Elément interrupteur selon la revendication 8, caractérisé par le fait que le bras de support (12) est flexible, en particulier déroulable sur la membrane (4).
  10. Elément interrupteur selon au moins l'une des revendications 1 à 9, caractérisé par le fait que lors de la soumission de la chambre de pression à une pression, la membrane (4) peut être déplacée vers l'extérieur et que, de ce fait, l'élément de contact d'activation {5} peut être déplacé contre l'élément de contact de client (6).
  11. Elément interrupteur selon au moins l'une des revendications 1 à 10, caractérisé par le fait que l'élément de contact d'activation (5) et/ou l'élément de contact de client (6) peuvent être déplacés, lors de la soumission, au moyen de la membrane (4) hors du plan de la membrane (M) et/ou peuvent être pivotés, autour des points de rotation respectifs (9, 11), hors du plan de contact (E).
  12. Elément interrupteur selon au moins l'une des revendications 1 à 11, caractérisé par le fait qu'une direction de déplacement de l'élément de contact d'activation (5) et/ou de l'élément de contact de client (6) forme un angle (α, β) d'environ 10 à 40 degrés avec le plan de contact (E).
  13. Elément interrupteur selon au moins l'une des revendications 1 à 12, caractérisé par le fait que l'élément d'activation (5) et/ou l'élément de contact de client (6) sont disposés en-dehors de et opposés l'un à l'autre par rapport au plan de contact (E), à une extrémité du boítier (1).
  14. Elément interrupteur selon au moins l'une des revendications 1 à 13, caractérisé par le fait que l'élément de contact d'activation (5) et l'élément de contact de client (6) se trouvent, pour établir un contact commun en position de repos de la membrane (4), distants l'un de l'autre ou en contact l'un avec l'autre.
  15. Elément interrupteur selon au moins l'une des revendications 1 à 14, caractérisé par le fait que, pour l'établissement d'un contact électrique, l'élément de contact d'activation (5) peut être déplacé au moyen d'une pression ou d'une dépression par rapport à l'élément de contact de client (6).
  16. Elément interrupteur selon la revendication 15, caractérisé par le fait que, pour l'établissement du contact électrique, l'élément de contact d'activation (5) peut être déplacé, pour fermer la connexion électrique en cas de surpression sur la membrane (4), contre l'élément de contact de client ou, en cas de dépression, peut être déplacé d'une position de repos fermée éloigné de l'élément de contact de client (6).
  17. Elément interrupteur selon l'une des revendications 1 à 16, caractérisé par le fait que l'élément de contact d'activation (5) vient en prise extérieurement par dessus l'élément de contact de client (6) et qu'une connexion électrique est établie en cas de surpression ou de dépression dans l'interrupteur actionné par ondes de pression sur la membrane (4), et qu'une connexion électrique est interrompue en cas de dépression dans l'interrupteur actionné par onde de pression sur la membrane(4).
EP00106941A 1999-04-22 2000-03-31 Elément interrupteur, en particulier interrupteur actionné par onde de pression Expired - Lifetime EP1047088B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19918208A DE19918208A1 (de) 1999-04-22 1999-04-22 Schaltelement, insbesondere Druckwellenschalter
DE19918208 1999-04-22

Publications (3)

Publication Number Publication Date
EP1047088A2 EP1047088A2 (fr) 2000-10-25
EP1047088A3 EP1047088A3 (fr) 2001-12-19
EP1047088B1 true EP1047088B1 (fr) 2004-06-02

Family

ID=7905442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00106941A Expired - Lifetime EP1047088B1 (fr) 1999-04-22 2000-03-31 Elément interrupteur, en particulier interrupteur actionné par onde de pression

Country Status (5)

Country Link
US (1) US6265679B1 (fr)
EP (1) EP1047088B1 (fr)
AT (1) ATE268501T1 (fr)
DE (2) DE19918208A1 (fr)
DK (1) DK1047088T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2461847A (en) * 2008-07-10 2010-01-20 Vodafone Plc Detection of car crash by detection of sound pressure wave associated with air bag deployment, pressure wave transducer and emergency communication method
RU2519956C1 (ru) * 2013-01-09 2014-06-20 Яков Самуилович Левин Механизм включения-выключения и переключения

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5710530B2 (fr) * 1973-03-06 1982-02-26
US3862387A (en) * 1973-12-17 1975-01-21 Dwyer Instr Miniaturized differential pressure switch with integral contact and spring mounted on diaphragm
US4365124A (en) * 1980-11-10 1982-12-21 Robinson Charles E Pressure sensitive machine safety switch
DE3110699C2 (de) * 1981-03-19 1983-01-27 Fa. Leopold Kostal, 5880 Lüdenscheid Druckmittelbetätigter Membranschalter
US4464551A (en) * 1982-05-14 1984-08-07 General Electric Company Electric circuit controlling device and method of operating same
DE3311083A1 (de) * 1983-03-26 1984-09-27 Alfred Teves Gmbh, 6000 Frankfurt Vorrichtung zum schalten eines stromkreises in abhaengigkeit eines hydraulischen drucks
DE3340436A1 (de) * 1983-11-09 1985-05-23 Gerhard 7262 Althengstett Kurz Elektrischer unter- oder ueberdruckschalter
DE3541298C1 (en) * 1985-11-22 1987-04-02 Rudolf Barger Gmbh Pneumatically controllable electrical switch
US4837411A (en) * 1987-12-07 1989-06-06 Methode Electronics, Inc. Spring switch
DE3819458A1 (de) * 1988-06-08 1989-12-14 Festo Kg Druckgesteuerte elektrische schalteinheit
JP2593213B2 (ja) * 1988-12-17 1997-03-26 株式会社ブリヂストン 圧力スイッチ
US5061832A (en) * 1991-01-28 1991-10-29 Dwyer Instruments, Inc. Field settable differential pressure switch assembly for low fluid pressure applications
DE4111338A1 (de) * 1991-04-08 1992-10-15 Vdo Schindling Membran-druckschalter
DE4300171A1 (de) * 1991-07-03 1994-07-07 Walter Pfeffer Einrichtung zur Sicherung von Quetsch- und Scherstellen insbesondere für kraftbetätigte Fenster, Türen und Tore
DE4328824A1 (de) * 1993-08-27 1995-03-02 Gerhard Brendel Membran-Schalter
DE4332487A1 (de) * 1993-09-24 1995-03-30 Bosch Gmbh Robert Druckgesteuerter Schalter
US5568860A (en) * 1994-06-23 1996-10-29 Methode Electronics, Inc. Pivot point contact with scrubbing action switch
US5728984A (en) * 1996-11-20 1998-03-17 Miller Edge, Inc. Sensing safety edge systems
US5888381A (en) * 1997-05-16 1999-03-30 United States Filter Corporation Water filter with pressure actuated flow monitor
DE19808559C1 (de) * 1998-02-28 1999-09-23 Condor Werk Frede Kg Geb Druckbetätigter Schalter

Also Published As

Publication number Publication date
EP1047088A2 (fr) 2000-10-25
US6265679B1 (en) 2001-07-24
DE19918208A1 (de) 2000-10-26
DK1047088T3 (da) 2004-06-28
EP1047088A3 (fr) 2001-12-19
DE50006653D1 (de) 2004-07-08
ATE268501T1 (de) 2004-06-15

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