EP2587509A1 - Bandes de commande - Google Patents

Bandes de commande Download PDF

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Publication number
EP2587509A1
EP2587509A1 EP12189741.7A EP12189741A EP2587509A1 EP 2587509 A1 EP2587509 A1 EP 2587509A1 EP 12189741 A EP12189741 A EP 12189741A EP 2587509 A1 EP2587509 A1 EP 2587509A1
Authority
EP
European Patent Office
Prior art keywords
switching
lip
return
contact surface
strip
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.)
Withdrawn
Application number
EP12189741.7A
Other languages
German (de)
English (en)
Inventor
Christof Lexer
Marc Lochonsky
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 EP2587509A1 publication Critical patent/EP2587509A1/fr
Withdrawn legal-status Critical Current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
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
    • H01H3/141—Cushion or mat switches
    • H01H3/142—Cushion or mat switches of the elongated strip type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2201/00—Contacts
    • H01H2201/022—Material
    • H01H2201/032—Conductive polymer; Rubber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/024—Properties of the substrate
    • H01H2209/034—Conductive rubber
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/046—Properties of the spacer
    • H01H2209/052—Properties of the spacer elastomeric

Definitions

  • the invention relates to a switching strip according to the features of the preamble of claim 1.
  • Switching strips are used where either control or counting of movements, for example a passage or a traffic route or for safety reasons, a so-called contact protection, for example on doors or gates, is necessary.
  • the contact area is increased and fed a conductive wire.
  • the former leads to a correspondingly enlarged contact surface and thus increased tack and thus a decelerated switching behavior. This is disadvantageous because it takes a relatively long time until the switching strip is returned to its original position and ready to receive new contacts or touches.
  • the DE 10 2006 038 023 A1 a method of reducing the surface friction and stickiness of rubber and rubber.
  • a lubricant or release agent is applied to the surface.
  • such means are expensive, require a further manufacturing step, wear off easily and can be harmful to the environment.
  • the object of the invention is to provide a switching strip with an improved switching behavior.
  • a switching strip comprises a first switching contact surface, which comprises an electrically conductive material and a second switching contact surface, which comprises an electrically conductive material and a reset lip.
  • the at least one return lip is integrally formed on one of the switch contact surfaces. This results in the advantage that upon compression of the switching strip, the return lip deforms and biases the opposite switching contact surface. Furthermore, the return lip itself and the area of the switching contact surface on which the return lip is formed are also deformed and prestressed. This bias results in the advantage that the switching strip returns faster to its original position. A further advantage resulting from the return lip is that air passages are formed at the return lip, which allow a better detachment behavior or peeling behavior of the switch contact surfaces.
  • a plurality of return lips are formed side by side on a switch contact surface. This results in the advantage that the opposite switching contact surface is biased at several points. This improves the return behavior of the contact strip. Furthermore, it is advantageous that a plurality of air channels form as a result, as a result of which the detachment behavior or peeling behavior is further improved. Since the return lip is deformed when the switch strip is compressed, the return lip or the area surrounding the return lip is also deformed and prestressed, which also improves the return behavior.
  • a first switch contact surface has one or a plurality of return lips.
  • the second switching contact surface is formed with a smooth surface. This results the advantage that only on a switching contact surface return lips must be formed.
  • a first return lip is adjacent to a second return lip. This results in the advantage that upon contact of the switching contact surface, the restoring lips do not meet.
  • the return lips in opposite switching contact surfaces are arranged offset from one another.
  • the return lip has a convexly curved surface. This results in the advantage that the return lip has no edges that could damage an opposite switch contact surface. Further advantageous profile contours for a return lip are: rectangle, square, triangle, polygon and / or oval.
  • the return lip has a length which substantially corresponds to a length of the switch contact surface. This results in the advantage that the switching strip over its entire length has a similar switching behavior. Furthermore, it is advantageous that the switching strip can thus be produced in a simple manner, preferably extrusion.
  • the at least one return lip is arranged parallel to a longitudinal axis of the switch strip. This results in the advantage that the switching strip can be produced in a simple manner, in particular by extrusion.
  • the at least one return lip is arranged transversely and / or substantially transversely to a longitudinal axis of the shift strip. This has the advantage that the switching strip is more mobile and less stiff.
  • the return lip has a contact surface with the opposite switch contact surface.
  • Preferred shapes for this contact surface are: circle, rectangle, square, oval, polygon, and / or freeform.
  • the contact surface may be curved, flat and / or formed with a profile.
  • a plurality of return lips are arranged side by side and / or one behind the other.
  • the return lips are lattice-shaped, distributed at grid points and / or irregularly on the or the switch contact surface / s.
  • the return lip is made in one piece with the switch contact surface. This results in the advantage that the switching strip or the switch contact surfaces can be produced in a simple manner.
  • the return lip is made of the same material as the switch contact surface. A particularly preferred manufacturing process is extrusion.
  • At least one of the switching contact surfaces comprises a conductor, preferably a stranded wire.
  • the conductor is completely covered by the switch contact surface.
  • the switching strip comprises an elastically deformable tube. This results in the advantage that the buttons are separated by removing a load on the hose by a restoring force of the hose.
  • the tube is made of an electrically non-conductive material.
  • the switch contact surfaces are arranged opposite one another on an inner side of the hose.
  • FIG. 1 shows a switching strip 1.
  • Such switching strips are used where either a control or count of movements, such as a passage or a traffic route or from For safety reasons, a so-called contact protection, for example on doors or gates, is necessary.
  • FIG. 2 shows the switching strip 1 in a cross section.
  • the switching strip 1 comprises a hose 2.
  • the hose 2 is not made of electrically conductive material.
  • the hose 2 is made of an elastic or elastically deformable material, for example rubber, polymer, rubber, so that it, as in FIG. 3 shown, can be deformed.
  • the switching strip 1 comprises a first switching contact surface 3 and a second switching contact surface 4.
  • the switching contact surfaces 3 and 4 comprise an electrically conductive material or are made of an electrically conductive material.
  • the switching contact surfaces 3 and 4 each have a width B.
  • An unillustrated length of the switch contact surfaces 3 and 4 substantially corresponds to a length of the contact strip. 1
  • the first switch contact surface 3 comprises a first return lip 7.
  • the second switch contact surface 4 comprises two further return lips 8 and 9.
  • the return lips 7, 8 and 9 are made of the same material as the switch contact surfaces 3 and 4.
  • the return lips 7, 8, and 9 are integrally formed on the corresponding switching contact surface 3 or 4.
  • the return lip 7 has a length, not shown, which corresponds to a length of the switch contact surface 3. This applies analogously to the return lips 8 and 9 on the switch contact surface. 4
  • the return lips 7, 8, and 9 are pressed into the opposite switching contact surface 3 and 4 respectively. This results in a deformation of the return lip and a deformation of the switching contact surface at the locations in which the return lips are pressed.
  • the present profile geometry of the switch contact surfaces 3 and 4 allows a reduction in stickiness, since the horizontal contact surface is reduced in size. However, the electrical resistance does not increase.
  • the return lip 7, 8 and 9 adjust when switching, deform.
  • the switch contact surfaces 3 and 4 and the return lips 7, 8 and 9 itself are biased. As a result, when the deformation causing contact or the contact is removed, the switch contact surfaces 3 and 4 can more quickly be deformed back to a starting position as in FIG FIG. 4 shown. A faster recovery or reset leads to an accelerated switching behavior, since the switching strip 1 is faster again in its initial state and ready for a new contact.
  • the return lips 7, 8 and 9 cause an improved rolling behavior or a peeling effect, as formed by the return lips 7, 8 and 9 between the return lip air channels that affect a faster release of the switch contact surface 3 and 4 from each other positively and thus counteract the stickiness ,
  • FIGS. 5 to 8 show different embodiments of return lips 10 to 13.
  • the return lip 10 has a rectangular cross-sectional profile.
  • the return lip 10 has a width b and a height a.
  • the height a is between 2 mm and 0.1 mm.
  • the width b is between 2 mm and 0.1 mm.
  • FIG. 6 shows a return lip 11 with a triangular cross-sectional profile.
  • the return lip 11 also includes a height a.
  • the return lip 11 preferably has an angle ⁇ .
  • the angle ⁇ is preferably between 10 ° and 120 °.
  • the return lip 12 of the FIG. 7 has a curved surface.
  • the return lip 12 has a radius R of 0.1 mm to 2 mm. This results in the advantage that damage to the opposite switching contact surface can be avoided by sharp edges.
  • FIG. 8 shows a return lip 13. This corresponds essentially to the return lip 10 of FIG. 5 , However, the edges of the return lip 13 are each provided with a chamfer 15 and 16. This results in the advantage that damage to the opposite switching contact surface can be avoided by sharp edges.
  • FIGS. 9 and 10 show more switching strips 17 and 18. These are mainly different arrangement possibilities of the return lips show 19 to 26.
  • a first switch contact surface 29 has two return lips 23 and 24 and a second switch contact surface 30 with two return lips 25 and 26.
  • the return lips 25 and 26 have a distance Y on.
  • the return lip 23 and 24 have a distance Z.
  • the distance Z is greater than the distance Y.
  • the return lips 25 and 26 are disposed between the return lips 23 and 24.

Landscapes

  • Push-Button Switches (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP12189741.7A 2011-10-25 2012-10-24 Bandes de commande Withdrawn EP2587509A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011054799 2011-10-25
DE102011054839A DE102011054839A1 (de) 2011-10-25 2011-10-26 Schaltstreifen

Publications (1)

Publication Number Publication Date
EP2587509A1 true EP2587509A1 (fr) 2013-05-01

Family

ID=47500878

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12189741.7A Withdrawn EP2587509A1 (fr) 2011-10-25 2012-10-24 Bandes de commande

Country Status (4)

Country Link
EP (1) EP2587509A1 (fr)
CN (1) CN103077836B (fr)
BR (1) BR102012027410A2 (fr)
DE (1) DE102011054839A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310624A2 (fr) * 2001-11-12 2003-05-14 Karlheinz Beckhausen Profil de sécurité pour arête de vantail
EP1713105A2 (fr) * 2005-04-13 2006-10-18 Jürgen Menz Profilé de commutation de sécurité
DE102006038023A1 (de) 2006-08-14 2008-02-21 Schill + Seilacher "Struktol" Ag Verfahren zur Verminderung der Oberflächenreibung und -klebrigkeit von Kautschuk und Gummi
DE102008035634A1 (de) * 2008-07-31 2010-02-04 Mayser Gmbh & Co. Kg Schaltleiste für die Erfassung von Hindernissen und Vorrichtung zum Erfassen von Hindernissen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3312223A1 (de) * 1983-04-05 1984-10-18 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Elastische profilleiste an der schliesskante einer abdeckung
DE4314193C1 (de) * 1993-04-30 1994-05-26 Baedje K H Meteor Gummiwerke Schalter, insbesondere Sicherheitsschalter, sowie Verfahren zu dessen Herstellung
JP3753773B2 (ja) * 1996-01-12 2006-03-08 信越ポリマー株式会社 ゴム状弾性体スイッチ
CN201570405U (zh) * 2009-05-06 2010-09-01 友德汽车电器(海门)有限公司 线形柔性轻触开关

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1310624A2 (fr) * 2001-11-12 2003-05-14 Karlheinz Beckhausen Profil de sécurité pour arête de vantail
EP1713105A2 (fr) * 2005-04-13 2006-10-18 Jürgen Menz Profilé de commutation de sécurité
DE102006038023A1 (de) 2006-08-14 2008-02-21 Schill + Seilacher "Struktol" Ag Verfahren zur Verminderung der Oberflächenreibung und -klebrigkeit von Kautschuk und Gummi
DE102008035634A1 (de) * 2008-07-31 2010-02-04 Mayser Gmbh & Co. Kg Schaltleiste für die Erfassung von Hindernissen und Vorrichtung zum Erfassen von Hindernissen

Also Published As

Publication number Publication date
CN103077836B (zh) 2016-06-08
BR102012027410A2 (pt) 2014-06-17
DE102011054839A1 (de) 2013-04-25
CN103077836A (zh) 2013-05-01

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