EP2385206B1 - Switching assembly - Google Patents
Switching assembly Download PDFInfo
- Publication number
- EP2385206B1 EP2385206B1 EP11161081.2A EP11161081A EP2385206B1 EP 2385206 B1 EP2385206 B1 EP 2385206B1 EP 11161081 A EP11161081 A EP 11161081A EP 2385206 B1 EP2385206 B1 EP 2385206B1
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- EP
- European Patent Office
- Prior art keywords
- switching
- assembly according
- switching assembly
- switching elements
- convex
- 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.)
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- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 16
- 239000002655 kraft paper Substances 0.000 description 5
- ORQBXQOJMQIAOY-UHFFFAOYSA-N nobelium Chemical compound [No] ORQBXQOJMQIAOY-UHFFFAOYSA-N 0.000 description 5
- 239000004033 plastic Substances 0.000 description 4
- 238000007373 indentation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
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- 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
-
- 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
- E05F2015/447—Detection using safety edges responsive to changes in electrical conductivity using switches in serial arrangement
Definitions
- the invention relates to a switching arrangement comprising a juxtaposition of a number of switching elements which are conductively connected to one another in the rest position at contact points and from which under the action of an external force at least two switching elements from the rest position and the conductive connection can be brought.
- a safety strip of this type comprising a plurality of switching elements with a cylindrical insulating body and therein embedded contact pin.
- the pins protrude on both sides of the insulator.
- the switching elements are juxtaposed in a hose and compressed in the rest position under the action of the tension of the hose at their contact points, so that a quiescent current can flow. If a force acts externally on the hose, the hose is bent with the switching elements and the switching elements make a tilting movement against each other, so that the contact or current flow is interrupted.
- a closing edge safety device comprising a number of switching members arranged on expander cords, have the mutually facing end faces of the abutting contact members rectilinear tilt on, while centrally on both sides, a contact conductor and a rivet are each arranged on a flat surface and form a conductive contact.
- Known closing edge safety balls are lined up with rotating electrical contact surfaces on an expander cord such that they are pressed together with a certain bias at their investment areas. A chain formed from these balls is inserted into a tube. Upon exerting a deformation pressure from the outside, the balls are pulled apart and interrupted the quiescent current.
- a switching arrangement thus comprises a juxtaposition of a number of switching elements, which are connected in the rest position at contact points with each other and from which at least two switching elements from the rest position and the conductive connection can be brought under the action of an external force.
- the switching elements consist of a non-conductive base body and are coupled to each other by means of freely rotatably received in a receptacle coupling sections.
- the recordings are concave and the coupling sections are complementary convex.
- the main body is provided in each case at the coupling portions with a conductive contact region, wherein the two conductive
- the mounted, coupled together switching elements form in their juxtaposition a kind of chain.
- a rotational movement leads to an interruption of the current flow.
- the switching signal is triggered independent of temperature.
- the circuit arrangement according to the invention can always function reliably even in spatially complicated arrangement due to the circumstances of the installation.
- the contacts on the coupling sections must be designed accordingly, so that the contact is interrupted upon application of force and deflection from said plane. Even with the usual linear arrangement is due to the high mobility (by the good rotatability) ensures a slight response during exercise.
- the conductive contact region of one or both coupling sections is movably supported and can be e.g. be designed as elastically biased, conductive contact part. This always ensures a good conductive connection.
- the contact part is spring-loaded.
- the contact part may end with a point or with a convex outer contour, in particular as a ball, be executed.
- the latter embodiment is particularly suitable for combination with a concave seat, preferably with positive locking.
- the conductive contact region of one or both coupling sections, in particular the ends of the base body is fixedly mounted. It may be provided a support of conductive material or a metal insert, for which no elastic pressure is required to ensure a good contact.
- a simple manufacture of the switching elements is made possible because a common fixation of adjacent ends of adjacent switching elements is provided.
- the base body is formed with two convex ends and is, according to the invention, a common fixing provided with corresponding concave receivers for the two adjacent ends of adjacent switching elements, which surrounds it.
- a switching element which is spherical in an advantageous embodiment of the invention, but may also have a different contour (eg elliptical), sitting in the associated receptacle of the adjacent switching element such as joint ball and socket.
- the mounted switching elements in turn form a kind of chain in their juxtaposition. Due to the positive locking of the bearing - with the required clearance - and the interruption of the flow of current made possible by a rotary movement, as already stated, a temperature-independent triggering of a switching signal is made possible. This is also the case in the embodiment in which a common fixing element is provided.
- the contact regions can also be designed differently.
- two floating contact parts or two fixedly mounted contact parts may be provided.
- the shape of the switching elements defines what degree of rotation is possible within the chain.
- a region with a smaller diameter is provided between the concave and the convex end of a switching element.
- neck-like area is used in rotation of the switching element in the recording as a stop and limit the rotational movement.
- the concave receptacle may be bounded by walls which are hook-shaped at the outer end to each other.
- the switching elements without stop. It is important that they are lined up sufficiently mobile. Advantageously, they are supported with play with their convex end in the receptacle of the adjacent switching element, so that they are supported by the recording enclosing them and so additional support such. a string or the like can be omitted.
- the receptacle enclosing it is designed to make an angle of more than 180 °, e.g. 230 ° or 260 °, encloses.
- the movable switching part can thus be provided either in the switching element end of the concave seat or in the convex end.
- the complementary conductive region is provided at the other end accordingly.
- the movable switching member itself may be flexibly biased to provide a secure conductive contact with the associated conductive region.
- the conductive region may be made of a conductive material. It can also be made of a conductive material combination, for example a plastic with a corresponding proportion of conductive material.
- the contact part is spring-loaded.
- the spring force ensures that the contact part or its contact end presses with sufficient force on the adjacent member and the conductive connection is always ensured in the rest or middle position.
- a defined switching can be achieved when the convex end of the respective switching element is rotated in the receptacle and the contact part leaves the conductive region.
- a switching element 2 of a switching arrangement consists of a base body 4 made of non-conductive plastic. This has a convex end 6 and is formed at the other end with a concave receptacle 8.
- the receptacle 8 limiting walls 10 are formed at the outer end 12 toward each other like a hook. Between the convex end 6 and the concave receiving end 8 having the switch body is formed like a neck with a portion 14 of smaller diameter.
- the switching element 2 has a central passage opening 16. At a distance from the receptacle 8, the passage opening is flared in a step 18 and tapers towards the receptacle 8, where it ends with an opening surface 20.
- the area of the through opening 16 from the step 18 to the opening area 20 is filled by a metal insert 22.
- a plastic with electrically conductive property could be provided.
- the metal insert 22 serves as an abutment for a contact spring 24, which is shown in the unloaded state.
- the contact spring 24 presses against a contact pin 26, which ends with an outer tip 28.
- Fig. 2 shows a number of such switching elements 2 in the assembled state.
- the contact pin 26 is pressed against the opposite metal insert 22 and the contact spring 24 is compressed.
- the inlinger sitting switching elements 2 of the switching arrangement form such a chain. Through this chain there is a conductive connection by means of the elements metal insert 22 - contact spring 24 - pin 26 - metal insert 22, etc.
- a rubber profile 30 surrounds the arrangement.
- the switching elements 2 are movable in one another, they can pivot under force in relation to each other. In this case, then rotates the convex end of the relevant switching element 2 or more switching elements 2 in the associated receptacle 8 of the adjoining switching element 2, until at most the outer end 12 abuts by its corresponding wall 10 against the adjacent region 14.
- the contact pin 26 is thereby brought out of contact with the associated conductive region 22 and the conductive connection in the chain of the switching elements is interrupted. This then leads in the usual way to a signal of the associated monitoring device and then a safety measure can be triggered, e.g. then a roll-up door is moved back again etc.
- Fig. 3 illustrates the force deflection in the case of acting on the switching arrangement point load (force Kp). This pushes the rubber profile 30 at the point 32 locally, wherein it bulges out accordingly at the point 34. It comes to a deflection or pivoting of two switching elements 102, 202, the convex ends 106, 206 in turn their shots 8, 208. Their concave ends 108, 208 rotate correspondingly around the associated convex ends 6, 106 of the adjacent switching elements 2, 102. During pivoting, the region 114 of the switching element 102 comes into contact with the hook-shaped end 212 of the switching element 202 facing the indentation 32.
- the pivoting of the switching members 102, 202 results in the release of the conductive connection between the conductive portion 222 of the switching member 202 and the contact pin 126 of the switching member 102.
- the switching assembly outputs a signal due to the separation of the conductive connection, as described above.
- the contact pins 26 and 226 of the switching element 102 adjacent switching elements 2, 202 are almost out of engagement or contact with the corresponding conductive regions 122, 22 of the switching elements 102, 2 passes.
- Fig. 4 illustrates the force deflection in the case of acting on the switching arrangement area load (force Kf).
- force Kf This presses the rubber profile 30 in a region 36 with the length y in the depth x. Opposite the indentation (area 38), the rubber profile 30 is also bulged accordingly over the length y.
- the convex ends 106, 206th the switching members 102, 202 rotate during pivoting in their receptacles 8, while their concave ends or receptacles 108, 208 rotate about the convex ends 6 of the adjacent switching elements 2 received by them.
- the region 114 of the switching element 102 comes into abutment with the hook-shaped end 12 of the adjacent switching element 2 facing the indentation or deflection 36 in the deflected region 36.
- the hook-shaped end 112 of the switching element 102 which lies on the non-force side arrives in abutment with the region 14 of the adjacent switching member 2, which lies in the undeflected region of the rubber profile.
- the convex ends 6 and the receptacles 8 of the switching elements 2 can also be designed such that they do not necessarily come into contact with the end 12 at the region 14 of an adjacent switching element 2 when a force is applied.
- the pivoting of the switching elements 102, 202 leads to the release of the conductive connection of the contact pin 126, 226 and conductive region 122, 222 to the respectively adjacent conductive region 222, 22 and the respectively adjacent contact pin 26, 126.
- the switching arrangement is due to the separation of the conductive connection, as described above.
- Fig. 5 Next, the structure of a switching element 2 of a switching device will be described.
- the switching element 2 is substantially like that in FIG Fig. 1 shown switching element constructed. The parts are designated by the same reference numerals and will not be described again.
- the metal insert 22 is provided in the convex end 6 and acted upon by the contact spring 24 pin 26 protrudes in the unassembled state into the receptacle 8 into it.
- Fig. 6 shows a number of such switching elements 2 in the assembled state.
- the contact pin 26 is pressed against the opposite metal insert 22 and the contact spring 24 is compressed.
- the inlinger sitting switching elements 2 of the switching arrangement form a chain as in the first embodiment and are also connected via the metal inserts 22, contact springs 24, contact pins 26, etc. conductively connected. at Force, the switching elements 2 also pivot. With sufficient pivoting of the respective contact pin 26 no longer presses against the adjacent conductive region 22 and the conductive connection in the chain is interrupted at this point.
- FIG. 7 and 8th illustrate analogous to the first embodiment, the force deflection in the case of acting on the switching arrangement point load (force Kp) and in the case of acting on the switching arrangement area load (force Kf).
- the deflection of the switching elements 102, 202 is shown and proceeds analogously to the deflection of the corresponding switching elements in the first embodiment.
- the conductive connection is broken when the conductive connection of the contact pins 126, 226 and the conductive regions 122, 222 is released to the respective adjacent conductive areas or contact pins.
- Fig. 9 illustrates the construction of a switching arrangement according to an embodiment of the invention, in which the switching elements are fixed by fixing elements to each other. This version is very easy to install.
- the switching element 2 is constructed similarly to the switching elements already described, but the ends 6, 66 are both convex and the conductive contact area is in the form of spring-loaded balls 70, 72 made of metal, for example.
- the balls are made of stainless steel. Other materials are possible.
- the parts corresponding to the previously described embodiments are designated by the same reference numerals and will not be described again. The function is the same, as is apparent from the following description and drawing figures.
- the passage opening 16 is tapered at the ends, so that the metal balls 70, 72 are retained.
- the switching member On the one side of the switching member decreases towards the end 6 toward the diameter of the passage opening 16 and is finally smaller than the ball diameter, so that the metal ball 70 is bounded by an eg hook-like ring portion 61 of the end 6 to the outside.
- the passage opening 16 is stepped and in the region of the step, ie the extended area, filled by a non-conductive sleeve 74 having the same inner diameter.
- the inner diameter of the sleeve 74 decreases analogously and encloses with a ring portion 75, the metal ball 72 to the outside. Due to this structure, the switching elements 2 can be mounted pre-assembled and during assembly their orientation is irrelevant. They only have to be used in the fixing elements described below.
- a fixing element 80 made of e.g. Plastic with two concave seats 82, 84 encloses the adjacent convex ends 66, 606 of adjacent switching elements 2, 102 in a form-fitting manner.
- the ends 66, 606 can rotate freely in the receptacles 82, 84 in all directions.
- the bottom of the receptacles 82, 84 is provided with a central opening 86.
- the balls 72, 170 of the switching elements are pressed against each other by the contact springs 24, 124 and abut against each other at the level of the opening 86. In this way, the switching elements 2, 102 are conductively connected to one another at the contact points.
- the ground area i. Area of the opening 86, the outer diameter of the fixing element is reduced, whereby the walls 88, 90 have similar to the walls in the first embodiment, a certain elasticity for the parts mounting.
- Fig. 10 illustrates the switching elements 2, 102 of FIG Fig. 9 after the occurrence of a force that has pivoted the switching member 102.
- the metal ball 170 has been moved away from contact with the metal ball 72 of the switching element 2 and now abuts against the inner surface of the receptacle 84.
- the metal ball 72 bears against the outer surface of the end 606, so that the contact interruption is unique.
Landscapes
- Push-Button Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Keying Circuit Devices (AREA)
Description
Die Erfindung betrifft eine Schaltanordnung umfassend eine Aneinanderreihung einer Anzahl von Schaltgliedern, die in Ruheposition an Kontaktstellen miteinander leitend verbunden sind und von denen unter Einwirkung einer äußeren Kraft mindestens zwei Schaltglieder aus der Ruheposition und der leitenden Verbindung bringbar sind.The invention relates to a switching arrangement comprising a juxtaposition of a number of switching elements which are conductively connected to one another in the rest position at contact points and from which under the action of an external force at least two switching elements from the rest position and the conductive connection can be brought.
In der
Bei einer Schließkantensicherung gemäß
Bei einer weiteren, aus der
At another, from the
Der Erfindung liegt die Aufgabe zugrunde, eine Schaltanordnung mit einer Anzahl von Schaltgliedem zu schaffen, die sich durch eine sichere leitende Verbindung in der Ruheposition auszeichnet.
Diese Aufgabe ist durch die Erfindung bei einer Schaltanordnung mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen der erfindungsgemäßen Schaltanordnung sind Gegenstand der Unteransprüche.
Eine Schaltanordnung gemäß der Erfindung umfasst somit eine Aneinanderreihung einer Anzahl von Schaltgliedern, die in Ruheposition an Kontaktstellen miteinander leitend verbunden sind und von denen unter Einwirkung einer äußeren Kraft mindestens zwei Schaltglieder aus der Ruheposition und der leitenden Verbindung bringbar sind. Mehr im Einzelnen, die Schaltglieder bestehen aus einem nicht leitenden Grundkörper und sind mittels jeweils in einer Aufnahme frei drehbar aufgenommener Koppelabschnitte miteinander gekoppelt. Die Aufnahmen sind konkav und die Koppelabschnitte komplementär konvex. Der Grundkörper ist jeweils an den Koppelabschnitten mit einem leitenden Kontaktbereich versehen, wobei die beiden leitenden
The invention has for its object to provide a switching arrangement with a number of Schaltgliedem, which is characterized by a secure conductive connection in the rest position.
This object is achieved by the invention in a switching arrangement with the features of claim 1. Advantageous developments of the switching arrangement according to the invention are the subject of the dependent claims.
A switching arrangement according to the invention thus comprises a juxtaposition of a number of switching elements, which are connected in the rest position at contact points with each other and from which at least two switching elements from the rest position and the conductive connection can be brought under the action of an external force. More in detail, the switching elements consist of a non-conductive base body and are coupled to each other by means of freely rotatably received in a receptacle coupling sections. The recordings are concave and the coupling sections are complementary convex. The main body is provided in each case at the coupling portions with a conductive contact region, wherein the two conductive
Kontaktbereiche eines Grundkörpers in leitender Verbindung miteinander stehen. Unter Einwirkung einer äußeren Kraft erfolgt eine Verdrehung eines Kontaktabschnitts, damit eine Bewegung von dessen leitendem Kontaktbereich von dem benachbarten leitenden Kontaktbereich fort und so eine Trennung der leitenden Verbindung.Contact areas of a body in a conductive connection with each other. Under the influence of an external force, a rotation of a contact portion, so that a movement of its conductive contact area of the adjacent conductive contact area continues and so a separation of the conductive connection.
Die montierten, miteinander gekoppelten Schaltglieder bilden in ihrer Aneinanderreihung eine Art Kette. Eine Drehbewegung führt zu einer Unterbrechung des Stromflusses. Das Schaltsignal wird temperaturunabhängig ausgelöst.The mounted, coupled together switching elements form in their juxtaposition a kind of chain. A rotational movement leads to an interruption of the current flow. The switching signal is triggered independent of temperature.
Durch die frei drehbar ausgeführte Kopplung benachbarter Schaltglieder können sich diese in alle Richtungen drehen. Dadurch kann die erfindungsgemäße Schaltanordnung auch bei räumlich komplizierterer Anordnung aufgrund der Gegebenheiten des Einbaus stets zuverlässig funktionieren. Im Falle der Ruheposition, bei der die Schaltglieder in einer Ebene ausgelenkt sind (z.B. Anordnung entlang einer Bogenlinie), müssen die Kontaktierungen an den Koppelabschnitten entsprechend ausgelegt sein, so dass der Kontakt bei Krafteinwirkung und Auslenkung aus der besagten Ebene unterbrochen wird. Auch bei üblicher linearer Anordnung ist aufgrund der hohen Beweglichkeit (durch die gute Drehbarkeit) ein leichtes Ansprechen bei Kraftausübung sichergestellt.Due to the freely rotatable coupling of adjacent switching elements, these can rotate in all directions. As a result, the circuit arrangement according to the invention can always function reliably even in spatially complicated arrangement due to the circumstances of the installation. In the case of the rest position, in which the switching elements are deflected in one plane (for example, arranged along a curved line), the contacts on the coupling sections must be designed accordingly, so that the contact is interrupted upon application of force and deflection from said plane. Even with the usual linear arrangement is due to the high mobility (by the good rotatability) ensures a slight response during exercise.
Bei einer Ausführungsform der erfindungsgemäßen Schaltglieder ist der leitende Kontaktbereich eines oder beider Koppelabschnitte, insbesondere der Enden des Grundkörpers, beweglich gelagert und kann z.B. als elastisch vorgespannter, leitender Kontaktteil ausgeführt sein. Hierdurch ist stets eine gute leitende Verbindung sichergestellt. Vorzugsweise ist der Kontaktteil federbeaufschlagt.In one embodiment of the switching elements according to the invention, the conductive contact region of one or both coupling sections, in particular the ends of the base body, is movably supported and can be e.g. be designed as elastically biased, conductive contact part. This always ensures a good conductive connection. Preferably, the contact part is spring-loaded.
Der Kontaktteil kann mit einer Spitze enden oder mit konvexer Außenkontur, insbesondere als Kugel, ausgeführt sein. Letztere Ausführung eignet sich insbesondere zur Kombination mit einer konkaven Aufnahme, vorzugsweise mit Formschluss.
Bei einer anderen Ausführungsform der erfindungsgemäßen Schaltglieder ist der leitende Kontaktbereich eines oder beider Koppelabschnitte, insbesondere der Enden des Grundkörpers, fest gelagert. Es kann eine Auflage aus leitfähigem Material oder ein Metalleinsatz vorgesehen sein, für die keine elastische Druckbeaufschlagung zur Sicherstellung eines guten Kontakts benötigt werden.
Eine einfache Herstellung der Schaltglieder ist ermöglicht, weil eine gemeinsame Fixierung benachbarter Enden angrenzender Schaltglieder vorgesehen ist. Bei einer Ausführung ist der Grundkörper mit zwei konvexen Enden ausgebildet und ist, gemäss er Erfindung, ein gemeinsames Fixierelement mit entsprechenden konkaven Aufnahmen für die beiden einander benachbarten Enden angrenzender Schaltglieder vorgesehen, die es umschließt.The contact part may end with a point or with a convex outer contour, in particular as a ball, be executed. The latter embodiment is particularly suitable for combination with a concave seat, preferably with positive locking.
In another embodiment of the switching elements according to the invention, the conductive contact region of one or both coupling sections, in particular the ends of the base body, is fixedly mounted. It may be provided a support of conductive material or a metal insert, for which no elastic pressure is required to ensure a good contact.
A simple manufacture of the switching elements is made possible because a common fixation of adjacent ends of adjacent switching elements is provided. In one embodiment, the base body is formed with two convex ends and is, according to the invention, a common fixing provided with corresponding concave receivers for the two adjacent ends of adjacent switching elements, which surrounds it.
Das konvexe Ende eines Schaltglieds, das bei einer vorteilhaften Ausführungsform der Erfindung kugelförmig ist, aber auch eine andere Kontur (z.B. elliptisch) haben kann, sitzt in der zugehörigen Aufnahme des benachbarten Schaltglieds wie Gelenkkugel und Gelenkpfanne. Die montierten Schaltglieder bilden wiederum in ihrer Aneinanderreihung eine Art Kette. Durch den Formschluss der Lagerung - mit dem erforderlichen Spiel - und die durch eine Drehbewegung ermöglichte Unterbrechung des Stromflusses ist, wie bereits ausgeführt wurde, eine temperaturunabhängige Auslösung eines Schaltsignals ermöglicht. Dies ist ebenso der Fall bei der Ausführung, bei der ein gemeinsames Fixierelement vorgesehen ist.
Bei dem vorstehend beschriebenen Ausführungsbeispiel von Schaltgliedern, die mit jeweils einem konvexen Ende und einem Ende mit konkaver Aufnahme ausgeführt sind, können die Kontaktbereiche auch anders ausgeführt sein. So können zwei schwimmend gelagerte Kontaktteile oder zwei fest gelagerte Kontaktteile vorgesehen sein.
Durch die Form der Schaltglieder wird definiert, welcher Grad der Verdrehung innerhalb der Kette möglich ist. Bei einer vorteilhaften Ausgestaltung der Schaltglieder ist zwischen dem konkav und dem konvex ausgebildeten Ende eines Schaltglieds ein Bereich mit geringerem Durchmesser vorgesehen. Dieser beispielsweise halsartige Bereich dient bei Verdrehung des Schaltglieds in der Aufnahme als Anschlag und Begrenzung der Drehbewegung. Hierzu kann z.B. die konkave Aufnahme durch Wandungen begrenzt sein, die am äußeren Ende zu einander hin hakenartig ausgebildet sind. Bei einer Drehbewegung des mit seinem konvexen Ende in der Aufnahme gelagerten benachbarten Schaltglieds tritt dann eines der Hakenenden mit dem halsartigen Bereich in Eingriff und blockiert eine weitere Drehung.The convex end of a switching element, which is spherical in an advantageous embodiment of the invention, but may also have a different contour (eg elliptical), sitting in the associated receptacle of the adjacent switching element such as joint ball and socket. The mounted switching elements in turn form a kind of chain in their juxtaposition. Due to the positive locking of the bearing - with the required clearance - and the interruption of the flow of current made possible by a rotary movement, as already stated, a temperature-independent triggering of a switching signal is made possible. This is also the case in the embodiment in which a common fixing element is provided.
In the above-described embodiment of switching elements, which are each designed with a convex end and a concave-receiving end, the contact regions can also be designed differently. Thus, two floating contact parts or two fixedly mounted contact parts may be provided.
The shape of the switching elements defines what degree of rotation is possible within the chain. In an advantageous embodiment of the switching elements, a region with a smaller diameter is provided between the concave and the convex end of a switching element. This example, neck-like area is used in rotation of the switching element in the recording as a stop and limit the rotational movement. For this purpose, for example, the concave receptacle may be bounded by walls which are hook-shaped at the outer end to each other. During a rotational movement of the bearing with its convex end in the receptacle adjacent Switching member then enters one of the hook ends with the neck-like portion in engagement and blocks further rotation.
Es ist möglich, die Schaltglieder ohne Anschlag auszuführen. Wichtig ist, dass sie ausreichend beweglich aneinandergereiht sind. Vorteilhaft sind sie mit Spiel mit ihrem konvexen Ende in der Aufnahme des benachbarten Schaltglieds gelagert, so dass sie durch die sie umschließende Aufnahme gehaltert sind und so eine zusätzliche Halterung wie z.B. eine Schnur oder dergleichen entfallen kann. Zu diesem Zweck ist z.B. im Falle eines kugelförmigen Endes die dieses umschließende Aufnahme so ausgebildet, dass sie einen Winkel von mehr als 180°, z.B. 230° oder 260°, umschließt.It is possible to perform the switching elements without stop. It is important that they are lined up sufficiently mobile. Advantageously, they are supported with play with their convex end in the receptacle of the adjacent switching element, so that they are supported by the recording enclosing them and so additional support such. a string or the like can be omitted. For this purpose, e.g. in the case of a spherical end, the receptacle enclosing it is designed to make an angle of more than 180 °, e.g. 230 ° or 260 °, encloses.
Das bewegliche Schaltteil kann somit entweder im Schaltgliedende der konkaven Aufnahme oder im konvexen Ende vorgesehen sein. Der komplementäre leitende Bereich ist entsprechend am anderen Ende vorgesehen. Statt einer zwischengeschalteten Feder kann das bewegliche Schaltteil selbst flexibel mit Vorspannung ausgestattet sein, um einen sicheren leitenden Kontakt mit dem zugeordneten leitenden Bereich zu liefern.The movable switching part can thus be provided either in the switching element end of the concave seat or in the convex end. The complementary conductive region is provided at the other end accordingly. Instead of an intermediate spring, the movable switching member itself may be flexibly biased to provide a secure conductive contact with the associated conductive region.
Der leitende Bereich kann aus einem leitenden Material sein. Er kann auch aus einer leitenden Materialkombination sein, beispielsweise einem Kunststoff mit entsprechendem Anteil an leitfähigem Material.The conductive region may be made of a conductive material. It can also be made of a conductive material combination, for example a plastic with a corresponding proportion of conductive material.
Vorzugsweise ist der Kontaktteil federbeaufschlagt. Die Federkraft gewährleistet, dass der Kontaktteil bzw. dessen Kontaktende mit ausreichender Kraft auf das Nachbarglied drückt und die leitende Verbindung in der Ruhe- bzw. Mittelposition stets sichergestellt ist.Preferably, the contact part is spring-loaded. The spring force ensures that the contact part or its contact end presses with sufficient force on the adjacent member and the conductive connection is always ensured in the rest or middle position.
Wenn der Kontaktteil außen mit einer Spitze endet, kann ein definiertes Umschalten erzielt werden, wenn das konvexe Ende des betreffenden Schaltglieds in der Aufnahme gedreht wird und der Kontaktteil den leitenden Bereich verlässt.When the contact part ends outside with a tip, a defined switching can be achieved when the convex end of the respective switching element is rotated in the receptacle and the contact part leaves the conductive region.
Der leitende Kontaktteil und der leitende Bereich eines Schaltglieds können sich durch Kraftschluss in Verbindung befinden. Liegt eine Feder direkt am Kontaktteil und am leitenden Bereich an, kann der elektrische Kontakt zwischen ihnen durch die Feder vorgesehen sein.
Bei einer vorteilhaften Ausführung des erfindungsgemäßen Schaltglieds sind der leitende Kontaktteil und der leitende Bereich durch einen Draht verbunden, um die elektrische Verbindung sicherzustellen. Der Draht kann im Fall einer Feder durch diese durchgeführt sein und hat genügend Länge, um eine elastizitätsbedingte Fortbewegung des Kontaktteils ohne Bruch zu ermöglichen. Die Feder kann sich z.B. am Gehäuse abstützen und dient dann nicht als leitende Verbindung zwischen Kontaktteil und leitendem Bereich.
Die Erfindung wird im folgenden weiter anhand von Ausführungsbeispielen und der Zeichnung beschrieben. Diese Darstellung dient lediglich zur Veranschaulichungszwecken und soll die Erfindung nicht auf die konkret angegebenen Merkmalskombinationen einschränken. Es zeigen
- Fig. 1
- eine schematische Schnittansicht eines Schaltglieds einer Schaltanordnung,
- Fig. 2
- eine schematische Schnittansicht einer Schaltanordnung mit Schaltgliedern gemäß
Fig. 1 im montierten Zustand, - Fig. 3
- eine schematische Darstellung der Schaltanordnung von
Fig. 2 bei Einwirkung einer Kraft (Punktlast) und - Fig. 4
- eine schematische Darstellung der Schaltanordnung von
Fig. 2 bei Einwirkung einer Kraft (Flächenlast), - Fig. 5
- eine schematische Schnittansicht eines Schaltglieds einer Schaltanordnung,
- Fig. 6
- eine schematische Schnittansicht einer Schaltanordnung mit Schaltgliedern gemäß
Fig. 5 im montierten Zustand, - Fig. 7
- eine schematische Darstellung der Schaltanordnung von
Fig. 6 bei Einwirkung einer Kraft (Punktlast) und - Fig. 8
- eine schematische Darstellung der Schaltanordnung von
Fig. 6 bei Einwirkung einer Kraft (Flächenlast), - Fig. 9
- eine schematische Schnittansicht von zwei benachbarten Schaltgliedern einer Schaltanordnung gemäß der Erfindung und
- Fig. 10
- eine schematische Darstellung der beiden Schaltglieder von
Fig. 9 bei Einwirkung einer Kraft.
In an advantageous embodiment of the switching element according to the invention, the conductive contact part and the conductive region are connected by a wire to ensure the electrical connection. The wire can be performed in the case of a spring through this and has sufficient length to allow a movement of the elastic part due to elasticity without breakage. The spring can, for example, be supported on the housing and then does not serve as a conductive connection between the contact part and the conductive area.
The invention will be further described below with reference to embodiments and the drawings. This representation is for illustrative purposes only and is not intended to limit the invention to the specific combinations of features. Show it
- Fig. 1
- a schematic sectional view of a switching element of a switching arrangement,
- Fig. 2
- a schematic sectional view of a switching arrangement with switching elements according to
Fig. 1 in the assembled state, - Fig. 3
- a schematic representation of the switching arrangement of
Fig. 2 upon application of a force (point load) and - Fig. 4
- a schematic representation of the switching arrangement of
Fig. 2 under the action of a force (surface load), - Fig. 5
- a schematic sectional view of a switching element a switching arrangement,
- Fig. 6
- a schematic sectional view of a switching arrangement with switching elements according to
Fig. 5 in the assembled state, - Fig. 7
- a schematic representation of the switching arrangement of
Fig. 6 upon application of a force (point load) and - Fig. 8
- a schematic representation of the switching arrangement of
Fig. 6 under the action of a force (surface load), - Fig. 9
- a schematic sectional view of two adjacent switching elements of a switching arrangement according to the invention and
- Fig. 10
- a schematic representation of the two switching elements of
Fig. 9 by the action of a force.
Im folgenden wird anhand von
Das Schaltglied 2 weist eine zentrale Durchgangsöffnung 16 auf. Mit Abstand von der Aufnahme 8 ist die Durchgangsöffnung in einer Stufe 18 flanschartig erweitert und verjüngt sich zur Aufnahme 8 hin, wo sie mit einer Öffnungsfläche 20 endet. Der Bereich der Durchgangsöffnung 16 von der Stufe 18 bis zur Öffnungsfläche 20 ist von einem Metalleinsatz 22 ausgefüllt. Stattdessen könnte auch beispielsweise ein Kunststoff mit elektrisch leitender Eigenschaft vorgesehen sein. Der Metalleinsatz 22 dient als Widerlager für eine Kontaktfeder 24, die im nicht belasteten Zustand dargestellt ist. Die Kontaktfeder 24 drückt gegen einen Kontaktstift 26, der mit einer äußeren Spitze 28 endet.The following is based on
The switching
Da die Schaltglieder 2 beweglich ineinander sitzen, können sie sich unter Krafteinwirkung in Bezug aufeinander verschwenken. Dabei dreht dann sich das konvexe Ende des betreffenden Schaltglieds 2 oder mehrerer Schaltglieder 2 in der zugehörigen Aufnahme 8 des daneben liegenden Schaltglieds 2, bis maximal das äußere Ende 12 von dessen entsprechender Wandung 10 gegen den benachbarten Bereich 14 anstößt. Der Kontaktstift 26 wird dabei aus dem Kontakt mit dem zugehörigen leitenden Bereich 22 gebracht und die leitende Verbindung in der Kette der Schaltglieder wird unterbrochen. Dies führt dann in üblicher Weise zu einem Signal der zugehörigen Überwachungseinrichtung und es kann dann eine Sicherheitsmaßnahme ausgelöst werden, z.B. wird dann ein Rolltor wieder zurückgefahren etc.Since the
Anhand von
Die Durchgangsöffnung 16 ist an den Enden verjüngt, so dass die Metallkugeln 70, 72 zurückgehalten werden. Auf der einen Seite des Schaltglieds nimmt zum Ende 6 hin der Durchmesser der Durchgangsöffnung 16 ab und ist schließlich kleiner als der Kugeldurchmesser, so dass die Metallkugel 70 durch einen z.B. hakenartigen Ringabschnitt 61 des Endes 6 nach außen begrenzt ist. Am anderen Ende 66 ist die Durchgangsöffnung 16 stufenartig erweitert und im Bereich der Stufe, d.h. des erweiterten Bereichs, durch eine nichtleitende Hülse 74 ausgefüllt, die denselben Innendurchmesser aufweist. Am Außenende nimmt der Innendurchmesser der Hülse 74 analog ab und umschließt mit einem Ringabschnitt 75 die Metallkugel 72 nach außen. Aufgrund dieses Aufbaus können die Schaltglieder 2 vormontiert gelagert werden und bei der Montage ist ihre Orientierung ohne Belang. Sie müssen nur in die nachfolgend beschriebenen Fixierelemente eingesetzt werden.
Based on
The
Ein Fixierelement 80 aus z.B. Kunststoff mit zwei konkaven Aufnahmen 82, 84 umschließt die angrenzenden konvexen Enden 66, 606 benachbarter Schaltglieder 2, 102 formschlüssig. Die Enden 66, 606 können sich in den Aufnahmen 82, 84 frei in alle Richtungen drehen. Der Boden der Aufnahmen 82, 84 ist mit einer zentralen Öffnung 86 versehen. Die Kugeln 72, 170 der Schaltglieder werden durch die Kontaktfedern 24, 124 gegeneinander gedrückt und stoßen in Höhe der Öffnung 86 gegeneinander. Auf diese Weise sind die Schaltglieder 2, 102 an den Kontaktstellen leitend miteinander verbunden. Im Bodenbereich, d.h. Bereich der Öffnung 86, ist der Außendurchmesser des Fixierelements verringert, wodurch die Wandungen 88, 90 ähnlich wie die Wandungen beim ersten Ausführungsbeispiel eine gewisse Elastizität für die Teilemontage haben.A fixing
Claims (14)
- Switching assembly comprising a chaining together of switching elements (2), which in the rest position are conductively connected to each other at contact points and of which at least two switching elements (102, 202) can be moved out of the rest position and the conductive connection under the action of an external force,
wherein the switching elements (2) consist of a nonconducting base body (4) having two ends and are coupled to each other by means of convex coupling sections (6, 66) each rotatably accommodated in a concave receptacle (82, 84),
wherein the base body (4) is provided at its ends with conducting contact areas (70, 72), which are conductively connected to each other,
wherein under the action of an external force (Kp, Kf) a twisting of one end of the main body (4) occurs, causing a movement of the conductive contact area thereof away from the adjacent conducting contact area and therefore a separation of the conductive connection,
wherein the convex coupling sections (6, 66) are each enclosed by the complementary concave receptacle (82, 84) enclosing them and can be freely rotated therein, characterized in that
the concave receptacle (82, 84) is formed on both ends of a fixing element (80) of the switching assembly, which connects the convex coupling sections (6, 66) of two adjacent base bodies (4),
wherein the convex coupling sections (6, 66) are protruding sections, in particular the ends or end regions, of the switching elements (2) and the conductive contact areas (70, 72) are located centrally on the ends or end regions. - Switching assembly according to claim 1, characterized in that
the conductive contact area (70, 72) of one or both coupling sections (6, 66), in particular of the ends of the base body (4), is moveably mounted. - Switching assembly according to Claim 2,
characterized in that
the contact area (70, 72), is designed as an elastically pre-tensioned, in particular spring-loaded, conducting contact part (70, 72). - Switching assembly according to any one of Claims 1 to 3,
characterized in that
the contact area (70, 72) is designed with a convex outer contour, in particular as a sphere. - Switching assembly according to any one of Claims 1 or 4,
characterized in that
the conductive contact area (22) of one or both coupling sections, in particular of the ends of the base body, is fixedly mounted. - Switching assembly according to any one of Claims 1 to 5,
characterized in that
the two adjacent ends of adjoining switching elements (2, 102) are fixed together. - Switching assembly according to Claim 6,
characterized in that
the base body (4) is preferably provided with two convex ends (6, 66) and a common, complementarily concave fixing element (80) for the two adjacent ends of adjoining switching elements. - Switching assembly according to any one of Claims 1 to 7,
characterized in that
between the two ends (6, 66) of a switching element (2) an area (14) with a smaller diameter is provided. - Switching assembly according to any one of Claims 1 to 8,
characterized in that
the concave receptacle (82, 84) is bounded by walls (10) that are designed facing each other in a hook-like manner at the outer end (12). - Switching assembly according to any one of Claims 1 to 9,
characterized in that
the convex end (6) of the switching element (2) is spherical and the concave receptacle (82, 84) is shaped correspondingly. - Switching assembly according to any one of Claims 1 to 10,
characterized in that
the concave receptacle of a fixing element (80) is designed in such a way that the convex end (6, 66) of an adjacent switching element (2) is supportively enclosed. - Switching assembly according to any one of Claims 1 to 11,
characterized in that
the conducting contact area (22) is made of a conducting material or a conducting material combination. - Switching assembly according to any one of Claims 1 to 12,
characterized in that
the conducting areas of a base body are electrically connected by means of a wire. - Switching assembly according to any one of Claims 1 to 13,
characterized in that
the switching elements (2) are accommodated in a flexible profile, in particular a rubber profile (30).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11161081T PL2385206T3 (en) | 2010-05-07 | 2011-04-04 | Switching assembly |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202010006541 | 2010-05-07 | ||
DE202010008757U DE202010008757U1 (en) | 2010-05-07 | 2010-10-08 | switching arrangement |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2385206A2 EP2385206A2 (en) | 2011-11-09 |
EP2385206A3 EP2385206A3 (en) | 2014-04-23 |
EP2385206B1 true EP2385206B1 (en) | 2018-10-24 |
Family
ID=44483980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11161081.2A Active EP2385206B1 (en) | 2010-05-07 | 2011-04-04 | Switching assembly |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP2385206B1 (en) |
DE (2) | DE202010008757U1 (en) |
DK (1) | DK2385206T3 (en) |
ES (1) | ES2703743T3 (en) |
PL (1) | PL2385206T3 (en) |
PT (1) | PT2385206T (en) |
TR (1) | TR201816097T4 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016114886A1 (en) * | 2016-08-11 | 2018-02-15 | André Haake | Locking edge safety with prechamber |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH657474A5 (en) | 1982-09-13 | 1986-08-29 | Inventio Ag | SAFETY BAR. |
DE3606499C1 (en) * | 1986-02-28 | 1987-07-16 | Werner Haake | Closing edge securing |
DE3821305A1 (en) | 1988-06-24 | 1990-02-22 | Andre Haake | Means for protecting from closing edges |
DE3909617A1 (en) * | 1989-03-23 | 1990-09-27 | Arnold Butzbach | Run-on securing means for doors |
DE19647721A1 (en) * | 1996-11-19 | 1998-05-20 | Wampfler Ag | Closure edge safety rail for automobile automatic door |
DE19861101C2 (en) | 1998-07-16 | 2003-05-15 | Andre Haake | Closing edge safety |
DE10002926C1 (en) * | 2000-01-25 | 2001-01-25 | Andre Haake | Safety switch rail for closure edge has contact points between contact lines within serial switch elements along deformable hose separated by hose deformation |
DE102005040947B4 (en) * | 2005-08-30 | 2007-07-26 | Iht-Innovative Hebe Technik Gmbh | Signaling safety edge for safety devices |
-
2010
- 2010-10-08 DE DE202010008757U patent/DE202010008757U1/en not_active Expired - Lifetime
-
2011
- 2011-04-04 PL PL11161081T patent/PL2385206T3/en unknown
- 2011-04-04 TR TR2018/16097T patent/TR201816097T4/en unknown
- 2011-04-04 PT PT11161081T patent/PT2385206T/en unknown
- 2011-04-04 DK DK11161081.2T patent/DK2385206T3/en active
- 2011-04-04 ES ES11161081T patent/ES2703743T3/en active Active
- 2011-04-04 DE DE102011001792A patent/DE102011001792A1/en not_active Withdrawn
- 2011-04-04 EP EP11161081.2A patent/EP2385206B1/en active Active
Non-Patent Citations (1)
Title |
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None * |
Also Published As
Publication number | Publication date |
---|---|
DK2385206T3 (en) | 2019-02-18 |
DE202010008757U1 (en) | 2011-09-02 |
DE102011001792A1 (en) | 2011-11-10 |
EP2385206A3 (en) | 2014-04-23 |
ES2703743T3 (en) | 2019-03-12 |
PT2385206T (en) | 2019-01-23 |
TR201816097T4 (en) | 2018-11-21 |
EP2385206A2 (en) | 2011-11-09 |
PL2385206T3 (en) | 2019-04-30 |
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