EP2093365A2 - Baguette de commutation - Google Patents

Baguette de commutation Download PDF

Info

Publication number: EP2093365A2
Authority: EP; European Patent Office
Prior art keywords: hollow; profile; switching strip; hollow chamber; hollow profile
Prior art date: 2008-02-19
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

EP09001282A

Other languages

German (de)

English (en)

Other versions

EP2093365B1 (fr

EP2093365A3 (fr

Inventor

Marc Scherraus

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.)

Mayser GmbH and Co KG

Original Assignee

Mayser GmbH and Co KG

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.)

2008-02-19

Filing date

2009-01-30

Publication date

2009-08-26

2009-01-30 Application filed by Mayser GmbH and Co KG filed Critical Mayser GmbH and Co KG

2009-08-26 Publication of EP2093365A2 publication Critical patent/EP2093365A2/fr

2010-10-06 Publication of EP2093365A3 publication Critical patent/EP2093365A3/fr

2018-05-30 Application granted granted Critical

2018-05-30 Publication of EP2093365B1 publication Critical patent/EP2093365B1/fr

Status Active legal-status Critical Current

2029-01-30 Anticipated expiration legal-status Critical

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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
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/44—Detection using safety edges responsive to changes in electrical conductivity

Definitions

the invention relates to a switching strip with an elastically yielding at an introduction of force hollow profile with a extending over its entire length, elastically compressible hollow chamber, the at least two mutually opposite in the direction of force introduction, electrically conductive and compressible in a compression of the hollow chamber contact walls having.
Known switching strips have at the respective ends of the actual switching strip profile, which carries the contact walls, provided on end pieces, which prevent compression of the switching strip profile in the region of this tail. In the immediate end region, the hollow chamber with the contact walls can therefore not be compressed and thus no switching release can be achieved. This is particularly disadvantageous when the safety edges are used for example in subway sliding doors. Even in the lowest end of a secure release must be guaranteed, for example, then when a shoe or a frame part of a pushchair is trapped in this lowermost area.
a safety edge which may be provided for example as anti-trap for sunroofs on motor vehicles.
An elastic hollow profile of this switching strip is triangular cut out at the respective ends over its entire width, with the triangular recess widens to the respective end.
a hollow chamber lies in the direction of the introduction of force behind the triangular recess.
a safety edge is to be provided, which ensures safe release even with a compression in the immediate end.
a switching strip is provided with a hollow profile elastically yielding on its outer side with an elastically compressible hollow chamber extending over its entire length, the at least two electrically conductive contact walls which are in contact with each other in the direction of force introduction and contact walls which can be contacted with each other during compression of the hollow chamber has, provided, in which the hollow profile has at least one end of the switching strip in a region which lies in the direction of the introduction of force behind the hollow chamber with the contact walls, a reduced rigidity.
the hollow profile can be compressed more easily in the immediate end region. This results in a stronger deformation and thus a safer release under load at the end.
the reduced stiffness is provided in an area behind the hollow chamber with the contact walls, when looking at the switching strip from the front side so below the serving as a switching element hollow chamber, the actually inactive end of the hollow chamber, which is indeed provided with a rigid end piece, strong bent in the direction of the introduction of force. As a result, no deformation is achieved in the area of the end piece, but in a region remote from the end piece, which does not necessarily have to be touched by the object to be detected.
the reduction of the stiffness in the direction of the force introduction behind the hollow chamber designed as a switching element therefore makes it possible to detect the compression of the end of the hollow profile in a region spaced from the end.
the trained as a switching element hollow chamber is spoken simplistic spoken about a pivot point which is remote from the end of the hollow chamber. In the region of this pivot point and also between the pivot point and the end piece of the hollow chamber, the hollow chamber deforms strongly and the contact walls touch each other, so that a switching signal can be triggered.
the reduction of the rigidity in a region which lies in the direction of the introduction of force behind the hollow chamber with the contact walls also allows an arrangement of the hollow chamber formed as a switching element in a front region viewed in the direction of the introduction of force.
the hollow profile at the at least one end wall sections with recesses.
the stiffness of the hollow profile can be reduced locally in a simple manner.
a wall section extending in the longitudinal direction of the hollow profile is provided with a particularly triangular recess at the at least one end.
the recess expands advantageously towards the end of the hollow profile.
a recess makes it possible to define an edge around which then formed as a switching element hollow chamber can be bent.
the provision of a triangular-shaped recess on a wall section running in the longitudinal direction of the hollow profile makes it possible to reduce the stiffness of the hollow profile towards the end while at the same time making room for a clear deformation of the hollow profile. This is because the triangular-shaped recess with its tip defines the region of a pivot point or a rotational edge on which the hollow chamber formed as a switching element is bent. This range can be chosen so that it is far enough away from a stiffening end of the hollow chamber, so that a reliable switching triggering can be achieved even with deformation of the hollow profile at the immediate end.
the wall section is an inner reinforcing rib.
the hollow chamber is provided with the contact walls in a separate switching strip profile, which is fed into the hollow profile.
the elastic hollow section is made of fire-retardant material.
the safety edge profile itself can not be made of fire-retardant material for technical reasons, so there are electrically conductive extruded areas provide.
the contact strip profile then represents only a small percentage of the entire safety edge and does not lead to a significant deterioration of the fire retardant properties of the entire safety edge.
the presentation of the Fig. 1 shows sections of a switching strip 10 according to the invention, which has an elastic hollow profile 12 and a retracted into the hollow profile 12 switching strip profile 14.
the safety edge profile 14 is only partially visible, but essentially consists of an elastic tube which defines a compressible hollow chamber having two opposite, electrically conductive contact walls.
the contact walls face each other in the direction of a force introduction, which in the representation of Fig. 1 indicated by an arrow 16.
a first contact wall in the switching strip profile 14 is above, a second contact wall opposite the first contact wall below.
the two contact walls of the switching strip profile 14 are in the area of, in Fig. 1 visible, end connected by means of a resistive element.
an end cap is placed on the end of the contact strip profile 14, which is then vulcanized, for example.
the provision of such an end cap leads to a stiffening of the switching strip profile 14 in the region of the immediate end and, in particular, the two opposing contact walls in the immediate end region of the switching strip profile 14 no longer come into contact with each other.
a longitudinally extending stiffening rib 18 of the hollow profile 12 in the region of the front end of the hollow section 12 is provided with a triangular recess 20 extending to the end of the hollow profile 12 extended.
the recess 20 forms approximately a right-angled triangle, wherein a hypotenuse of this right-angled triangle forms a cut surface 22 of the reinforcing rib 18, which runs obliquely to the longitudinal direction.
the cut surface 22 thus extends obliquely downward in the direction of the end of the hollow profile 12 and away from the switching strip profile 14.
the switching strip profile 14 In the region of the triangular-shaped recess 20, a stiffness of the hollow profile 12 in one direction of the force introduction 16 is thus reduced, and with a force introduction in the region of the end, the switching strip profile 14 together with the upper region of the hollow profile 12 will deform approximately so that it is around an edge , which forms the tip of the triangular recess 20 and which bears against the underside of a horizontal transverse wall 24 of the hollow profile 12, is bent.
the switching strip profile 14 is strongly compressed approximately in the region of this pivot point or turning edge, but in any case in a region between the pivot point and the end of the switching strip profile 14, so that the electrically conductive contact walls come into contact with each other and a switching signal can be generated.
the deformation of the switching strip profile 14 and the hollow section 12 at the application of force directly at the end of the hollow section 12 is shown schematically in the Fig. 2 shown.
the Fig. 2 shows a calculation model of the hollow section 12, which was constructed by means of the finite element method. Good to see is an end cap 26 of the switching strip profile 14 and an upper electrically conductive contact wall 28 and an opposite electrically conductive contact wall 30 of the switching strip profile 14th
the hollow section 12 is by means of a test piece 32 which has been moved in the direction of the arrow 16 to the hollow profile, in the region of its free end, in the Fig. 2 right, deformed.
the test piece 32 causes the horizontal transverse wall 24 of the hollow profile 12 and the hollow chamber 34, in which the switching strip profile 14 is received, are bent about a pivot point 36, which by the voltage applied to the underside of the horizontal transverse wall 24 tip of the triangular recess 20 is defined. Since, of course, there is no hinge or the like at the fulcrum 36, but the hollow profile 12 made of elastic material elastically deforms, the assumption of the fulcrum 36 is only to be understood as generalizing and explanatory.
the reduced rigidity of the hollow profile 12, caused by the recess 20, at its end and in a region below the switching strip profile 14 leads to a significant deformation of the switching strip profile 14 in the region between the pivot point 36 and the end cap 26. Specifically, the deformation of the switching strip profile 14 causes the two opposing contact walls 28, 30 to touch each other in a region 38.
This area 38 is how Fig. 2 can be seen, not below the specimen 32, but in contrast to the center of the hollow section 12, in the illustration of Fig. 2 So to the left, offset.
the region of reduced stiffness of the hollow profile 12 below the switching strip profile 14 thus results in that compressing the hollow profile 12 in the region of its end leads to a deformation of the switching strip profile 14 in a region spaced therefrom, wherein this deformation can then be detected.
FIG. 3 shows a sectional view of a switching strip 40 according to another embodiment of the invention.
a hollow profile 42 of the switching strip 40 has approximately the same cross-section as the hollow section 12 of Fig. 1 on, a triangular recess 44 in However, a longitudinal rib 46 of the hollow profile 42 also includes a horizontally extending transverse wall 48 of the hollow profile 42, which forms a lower boundary of a hollow chamber 50, in which the switching strip profile 14 is received.
the switching strip profile 14 Upon compression of the hollow profile 42 in the region of its end, the switching strip profile 14 will thus turn around an edge 52 which is marked by the tip of the triangular recess 44 which extends to the underside of the switching strip profile 14.
an end cap 54 of the switching strip profile 14 and a resistor 56 which connects the two opposite and electrically conductive contact walls 58, 60 in the region of the end of the switching strip profile 14 with each other.
the two contact walls 58, 60 separated by a gap 62 from each other.
the contact strip profile 14 turns around the edge 52, the contact walls 58, 60 then come into contact with each other and a switching signal can be output.
open end of the hollow section 42 is sealed before use as a sealing profile with a thin end cap or vulcanized thin end plate, which prevent the ingress of dirt, but not significantly affect the rigidity of the end of the hollow profile.

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Push-Button Switches (AREA)

EP09001282.4A 2008-02-19 2009-01-30 Baguette de commutation Active EP2093365B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102008010074A DE102008010074B3 (de)	2008-02-19	2008-02-19	Schaltleiste

Publications (3)

Publication Number	Publication Date
EP2093365A2 true EP2093365A2 (fr)	2009-08-26
EP2093365A3 EP2093365A3 (fr)	2010-10-06
EP2093365B1 EP2093365B1 (fr)	2018-05-30

Family

ID=40279712

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09001282.4A Active EP2093365B1 (fr)	2008-02-19	2009-01-30	Baguette de commutation

Country Status (2)

Country	Link
EP (1)	EP2093365B1 (fr)
DE (1)	DE102008010074B3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8493081B2 (en)	2009-12-08	2013-07-23	Magna Closures Inc.	Wide activation angle pinch sensor section and sensor hook-on attachment principle
US9234979B2 (en)	2009-12-08	2016-01-12	Magna Closures Inc.	Wide activation angle pinch sensor section

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE202011050716U1 (de) *	2011-07-13	2012-07-27	Gummi-Welz Gmbh U. Co. Kg Gummi-Kunststofftechnik-Schaumstoffe	Schlauchverschluss
EP3685001B1 (fr) *	2017-09-19	2025-01-15	Knorr-Bremse Gesellschaft mit beschränkter Haftung	Dispositif de protection contre le pincement pour une portière pour un véhicule, système de portière pour un véhicule et procédé de fabrication d'un dispositif de protection contre le pincement pour une portière pour un véhicule

Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19632592C1 (de)	1996-08-13	1998-01-02	Mayser Gmbh & Co	Schaltleiste mit einem bei einer Krafteinleitung auf seine Außenseite elastisch nachgiebigen Hohlprofil

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3312223C2 (de) *	1983-04-05	1987-04-23	Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch	Elastische Profilleiste an einer Schließkante einer Abdeckung
DE29921958U1 (de) *	1999-12-16	2001-04-26	ASO GmbH Antriebs- und Steuerungstechnik, 33154 Salzkotten	Sicherheitskontaktleiste

2008
- 2008-02-19 DE DE102008010074A patent/DE102008010074B3/de active Active
2009
- 2009-01-30 EP EP09001282.4A patent/EP2093365B1/fr active Active

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19632592C1 (de)	1996-08-13	1998-01-02	Mayser Gmbh & Co	Schaltleiste mit einem bei einer Krafteinleitung auf seine Außenseite elastisch nachgiebigen Hohlprofil

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8493081B2 (en)	2009-12-08	2013-07-23	Magna Closures Inc.	Wide activation angle pinch sensor section and sensor hook-on attachment principle
US9234979B2 (en)	2009-12-08	2016-01-12	Magna Closures Inc.	Wide activation angle pinch sensor section
US9417099B2 (en)	2009-12-08	2016-08-16	Magna Closures Inc.	Wide activation angle pinch sensor section

Also Published As

Publication number	Publication date
DE102008010074B3 (de)	2009-02-19
EP2093365B1 (fr)	2018-05-30
EP2093365A3 (fr)	2010-10-06

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