EP1918890B1 - Device for displaying the open/closed status of a window or door - Google Patents

Device for displaying the open/closed status of a window or door Download PDF

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Publication number
EP1918890B1
EP1918890B1 EP07021285A EP07021285A EP1918890B1 EP 1918890 B1 EP1918890 B1 EP 1918890B1 EP 07021285 A EP07021285 A EP 07021285A EP 07021285 A EP07021285 A EP 07021285A EP 1918890 B1 EP1918890 B1 EP 1918890B1
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EP
European Patent Office
Prior art keywords
sensor
window
door
open
potentiometer
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EP07021285A
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German (de)
French (fr)
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EP1918890A1 (en
Inventor
Florian Schmidt
Arnd Heinz Schmidt
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EFP Vertriebs- und Servicegesellschaft mbH
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EFP Vertriebs- und Servicegesellschaft mbH
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Priority to PL07021285T priority Critical patent/PL1918890T3/en
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B41/00—Locks with visible indication as to whether the lock is locked or unlocked
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators

Definitions

  • the invention relates to a device for indicating the opening state of a window or a door with at least one intended for mounting between a window frame and a wing of the window or the door sensor, one depending on the states “closed” and “open” and / or “tilted” variable electrical resistance and to which an electrical circuit for delivering at least two of these states indicating state signals is connected.
  • Pressure sensors of the type described are not always sufficiently reliable. In particular, after prolonged use of the device, there is a risk that the window or door states are displayed incorrectly. In addition, although the changes in the electrical resistance of the pressure sensor are large (e.g., a few megohms in the closed state to nearly zero ohms in the open state), they are less specific. Therefore, although it is often desirable to reliably detect all three states with a single sensor, or even to infer intermediate states between the three states, it is difficult.
  • a door with a door opener which has a drive and a movable drive and power transmission element connected to the drive and at least indirectly also to the door ( DE 203 05 285 U1 ).
  • a trained example as a slide potentiometer sensor is used to scan the drive and power transmission element to determine its position and to close it also on the open state of the door.
  • the invention is based on the object, the device of the initially designated Form genus so that it works safely over long periods of time and allows a clear statement about the respective window or door position.
  • the device according to the invention is characterized in that the sensor is designed in the manner of a potentiometer having a blade adjustable by the slider or sliding contact.
  • the distance of the window or door leaf from the associated frame in the various states is not in a pressure, but in a proportional Adjustment of a movable contact or grinder of the potentiometer, ie converted into a proportional path change.
  • the resulting analog voltage signal is therefore not only substantially proportional to the path traveled by the monitored window or door leaf, but also allows precise detection of its current position. This facilitates the calibration of the device and, if necessary, also makes it easier to detect intermediate positions which, for example, can result from the desired tilting position due to wind or draft.
  • the device according to the invention can be designed extremely wear.
  • Fig. 1 schematically shows a window sash 1 and its associated frame 2.
  • the sash 1 is located in Fig. 1a ) in a fully opened state.
  • a sensor 4 according to the invention is attached, which with a only in Fig. 1a ) clear visible slider 5 is provided.
  • the slider 5 serves the purpose of cooperating with an associated edge 6 of the window sash 1, which is attached to a lower, horizontal profile 7 of the sash 1 and to the outwardly facing side.
  • the sensor 4 and its slide 5 are in Fig. 2 to 4 shown enlarged, wherein also schematically acting on the slide 5 edge 6 of the window sash 1 is indicated.
  • the slider 5 is arranged in a housing 8 of the sensor 4 in the direction of an arrow v linearly pushed back and forth.
  • the housing 8 has a recess 9 which is open towards the side of the edge 6 and has a center axis 10 parallel to the direction of the arrow v .
  • the slide 5 is guided in this recess 9 with sliding fit and by means of a first spring 11 which is supported on a remote from the edge 6 bottom 8 a of the housing 8, biased in the direction of the edge 6.
  • the spring 11 protrudes, for example, into a recess 5a of the slider 5 which is coaxial with the central axis 10 and faces the bottom 8a, and is supported by its end remote from the base 8a on an end face of the recess 5a.
  • the slider 5, for example, the three out Fig. 2 to 4 take obvious positions in which the spring 11 is not at all ( Fig. 2 ), partially ( Fig. 3 ) or completely ( Fig. 4 ) is pressed and a cooperating with the edge 6 and abutting this tip 5 b more or less protrudes from the housing 8.
  • a potentiometer 14 is arranged.
  • Both tracks 14a, 14b are, for example. by means of a frame, not shown, placed on the ends of the resistor track 14 a frame at a small distance and arranged parallel to each other.
  • the slider 5 is at its the webs 14 a, 14 b facing side with a Actuator 15 in the form of a rounded knob or the like. Provided that presses with its end face on the slider track 14b and therefore where it is currently, against the resistance track 14a sets. As a result, the two tracks 14a, 14b are brought into electrical contact with each other at the location of the actuator 15.
  • the actuator 15 is preferably slidably mounted in a further recess 16 of the slider 5, whose central axis is arranged perpendicular to the central axis 10 of the housing 8, with sliding fit.
  • a second spring 17 is arranged, which is supported with a first end on an end face of the recess 16 and with a second end on the actuator 15 and at the bottom of a recess 15 a formed in this.
  • the actuator 15 is biased with a comparatively small spring force in the direction of the slider track 14b and pressed against it, just to put it firmly enough against the resistance track 14a and to make a good electrical contact.
  • Fig. 2 to 4 show further, the slider track 14b is pressed in response to the current position of the slider 5 at different locations against the resistance path 14a.
  • a function is thereby obtained in the manner of a potentiometer, in which the respective touch point 14c (FIG. Fig. 5 ) between the tracks 14a, 14b represents the slider or the movable contact.
  • Fig. 5 shows schematically the operation of this potentiometer within the sensor 4.
  • the resistor track 14a is placed at its ends to a DC voltage, for example by means of a schematically illustrated battery 18.
  • the slider track 14b is provided at one end or the other with a tap 19.
  • a partial voltage of the battery voltage applied to the resistance track 14 a can be removed at this tap 19. This voltage is substantially proportional to the displacement of the actuator 15 and the position of the slider 5 parallel to the direction of the arrow v .
  • the sensor 4 is so on the profile 3 ( Fig. 1 ), that the tracks 14a, 14b and the central axis 10 of the housing 8 are arranged substantially parallel to the direction of movement of the window sash 1. Furthermore, the arrangement is suitably made so that, for example, the tip 5b of the slider 5 is fully extended in the direction of the edge 6 of the housing 8 with the window sash 1 open ( Fig. 1a and 2 ), for example, when the window wing 1 is in the tilted state, it is halfway into the housing 8 ( Fig. 1b and 3 ) and with the window sash 1 fully retracted into the housing 8 ( Fig. 1c and 4 ). Finally, the length of the tracks 14a, 14b is preferably selected such that they extend at least over the entire displacement path of the actuator 15.
  • the sensor 4 described is particularly suitable for monitoring or displaying the opening conditions of windows and doors in buildings. If necessary, such a sensor 4 can be assigned to each window and each door, in order then to check from a central location in which opening state the existing windows and doors are located.
  • the processing of the signals picked up at the taps 19 can expediently be analogous to the font DE 101 61 761 A1 with the means shown there and, in particular, that these signals are sent to a microprocessor 20 (FIG. Fig. 5 ) and then preferably transmitted by means of a radio transmitter to a remote location.
  • a microprocessor 20 FIG. Fig. 5
  • it may be a switch box, which is located near a main entrance door of a building, has receivers for the various radio signals and with the help of displays, control lights od.
  • the potentiometer 14 is with particular advantage to a so-called Membrane. Potentiometers of this type are manufactured eg by the company Spectra Symbol, USA, and are offered on the market under the brands “Softpot” and "Hotpot”. In these potentiometers, for example, the resistance paths consist of an electrically conductive carbon wire and the slider tracks of a silver wire.
  • the invention is not limited to the described embodiment, which can be modified in many ways.
  • other potentiometers may be provided which have a displaceable tap connected to the slider 5 or a similar slider.
  • the sensor 4 is overall only one embodiment, which can be designed differently in many ways, as in Fig. 2 to 4 is shown.
  • the sensor 4 can also be used to scan only two different states, eg "closed” and “tilted” or “closed” and "open”. Such an application is required, for example, when it comes to doors / windows that can only assume these two defined states.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Window Of Vehicle (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Displays For Variable Information Using Movable Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

The device has a sensor (4) provided for the assembly between a window frame (2) and a wing (1) of a window or a door, where the sensor has an electrical resistor that is changed based on opened, tilted and closed condition of the wing and is attached to an electrical circuit for outputting conditional signal indicating the conditions. The sensor is formed based on the type of a potentiometer that has a slider adjustable by the wing.

Description

Die Erfindung betrifft eine Vorrichtung zur Anzeige des Öffnungszustands eines Fensters oder einer Tür mit wenigstens einem, zur Montage zwischen einem Blendrahmen und einem Flügel des Fensters oder der Tür bestimmten Sensor, der einen in Abhängigkeit von den Zuständen "geschlossen" und "offen" und/oder "gekippt" veränderbaren elektrischen Widerstand aufweist und an den ein elektrischer Schaltkreis zur Abgabe von wenigstens zwei dieser Zustände anzeigenden Zustandsignalen angeschlossen ist.The invention relates to a device for indicating the opening state of a window or a door with at least one intended for mounting between a window frame and a wing of the window or the door sensor, one depending on the states "closed" and "open" and / or "tilted" variable electrical resistance and to which an electrical circuit for delivering at least two of these states indicating state signals is connected.

Bekannte Vorrichtungen zur Ermittlung des Schließzustands von Fenstern oder Türen weisen Reed-Kontakte als Sensoren auf. Diese können einerseits mit Permanentmagneten leicht außer Funktion gesetzt werden und erfordern andererseits einen hohen Verkabelungsaufwand. Außerdem sind zur Überwachung der drei Fenster- oder Türzustände "offen", "gekippt" und "geschlossen" stets wenigstens zwei Reed-Kontakte und zugehörige Einrichtungen erforderlich.Known devices for determining the closed state of windows or doors have reed contacts as sensors. These can easily be put out of action on the one hand with permanent magnets and on the other hand require a high cabling effort. In addition, to monitor the three window or door states "open", "tilted" and "closed", at least two reed contacts and associated devices are always required.

Es sind daher auch bereits Vorrichtungen der oben angegebenen Gattung bekannt geworden ( DE 101 61 761 A1 ), bei denen die unterschiedlichen Abstände ausgenutzt werden, die sich zwischen dem Fenster- oder Türflügel und dem zugehörigen Blendrahmen ergeben. Zu diesem Zweck wird ein durch eine Feder vorgespannter Metallstift je nach Stellung des Flügels mehr oder weniger stark gegen einen Drucksensor gedrückt, dessen elektrischer Widerstand sich in Abhängigkeit vom ausgeübten Druck ändert. Eine sich aus dem dem aktuellen Widerstandswert ergebende elektrische Spannung wird mittels eines Mikroprozessors ausgewertet. Die sich daraus ergebenden Zustandssignale werden vorzugsweise per Funk an einen zentralen Ort, z.B. einen Schaltkasten im Bereich einer Gebäudetür od. dgl. übermittelt, so daß von dort aus, z.B. beim Verlassen eines Gebäudes, zentral überprüft werden kann, in welchen Zuständen sich die zu dem Gebäude gehörenden Türen oder Fenster befinden.Therefore, devices of the type indicated above have already become known ( DE 101 61 761 A1 ), in which the different distances are exploited, located between the window or door leaf and the associated frame result. For this purpose, a biased by a spring metal pin depending on the position of the wing is pressed more or less strongly against a pressure sensor whose electrical resistance changes depending on the pressure exerted. An electrical voltage resulting from the current resistance value is evaluated by means of a microprocessor. The resulting status signals are preferably transmitted by radio to a central location, eg a control box in the area of a building door or the like, so that from there, eg when leaving a building, it is possible to centrally check in which states they are to the building's doors or windows.

Drucksensoren der beschriebenen Art sind nicht immer ausreichend funktionssicher. Insbesondere nach längerem Gebrauch der Vorrichtung besteht die Gefahr, daß die Fensteroder Türzustände fehlerhaft angezeigt werden. Außerdem sind die Änderungen des elektrischen Widerstandes des Drucksensors zwar groß (z.B. einige Megaohm im geschlossenen Zustand bis zu nahezu Null Ohm im offenen Zustand), aber wenig spezifisch. Daher ist es schwierig, obwohl häufig erwünscht, mit einem einzigen Sensor alle drei Zustände sicher zu erfassen oder sogar auf Zwischenzustände zwischen den genannten drei Zuständen zu schließen.Pressure sensors of the type described are not always sufficiently reliable. In particular, after prolonged use of the device, there is a risk that the window or door states are displayed incorrectly. In addition, although the changes in the electrical resistance of the pressure sensor are large (e.g., a few megohms in the closed state to nearly zero ohms in the open state), they are less specific. Therefore, although it is often desirable to reliably detect all three states with a single sensor, or even to infer intermediate states between the three states, it is difficult.

Es ist ferner eine Tür mit einem Türöffner bekannt, der einen Antrieb und ein mit dem Antrieb und mindestens mittelbar auch mit der Tür verbundenes, bewegliches Antriebsund Kraftübertragungselement aufweist ( DE 203 05 285 U1 ). Ein z.B. als Schiebepotentiometer ausgebildeter Sensor dient zu Abtastung des Antriebs- und Kraftübertragungselements, um dessen Position zu bestimmen und daraus auch auf den Öffnungszustand der Tür zu schließen.Furthermore, a door with a door opener is known which has a drive and a movable drive and power transmission element connected to the drive and at least indirectly also to the door ( DE 203 05 285 U1 ). A trained example as a slide potentiometer sensor is used to scan the drive and power transmission element to determine its position and to close it also on the open state of the door.

Schließlich ist es bekannt, einen mit einer Safetür verbundenen Riegel über ein aus einem Zahnrad und einer Zahnstange bestehendes Getriebe mit einem drehbaren Potentiometer zu verbinden und über die Stellung des Potentiometers auf den Öffnungszustand der Safetür zu schließen ( US 2005/174237 A1 ).Finally, it is known to connect a connected to a safe door latch via a consisting of a gear and a rack gearbox with a rotatable potentiometer and close the position of the potentiometer on the opening state of the safe door ( US 2005/174237 A1 ).

Der Erfindung liegt die Aufgabe zugrunde, die Vorrichtung der eingangs bezeichneten Gattung so auszubilden, daß sie über lange Zeitspannen hinweg betriebssicher arbeitet und eine eindeutige Aussage über die jeweilige Fenster- oder Türstellung ermöglicht.The invention is based on the object, the device of the initially designated Form genus so that it works safely over long periods of time and allows a clear statement about the respective window or door position.

Zur Lösung dieser Aufgabe ist die Vorrichtung erfindungsgemäß dadurch gekennzeichnet, daß der Sensor nach Art eines Potentiometers ausgebildet ist, das einen vom Flügel verstellbaren Schleifer bzw. Schleifkontakt aufweist.To solve this problem, the device according to the invention is characterized in that the sensor is designed in the manner of a potentiometer having a blade adjustable by the slider or sliding contact.

Durch die erfindungsgemäße Anwendung eines als Potentiometer ausgebildeten Sensors wird die Abstand des Fenster- oder Türflügels vom zugehörigen Blendrahmen bei den verschiedenen Zuständen nicht in einen Druck, sondern in eine proportionale Verstellung eines beweglichen Kontakts oder Schleifers des Potentiometers, d.h. in eine proportionale Wegänderung umgewandelt. Das erhaltene analoge Spannungssignal ist daher nicht nur im wesentlichen proportional zu dem vom überwachten Fensteroder Türflügel zurückgelegten Weg, sondern ermöglicht auch eine präzise Ermittlung von dessen aktueller Stellung. Das erleichtert die Eichung der Vorrichtung und läßt bei Bedarf auch Zwischenstellungen leichter erkennen, die sich z.B. aufgrund von Wind oder Durchzug aus der an sich gewünschten Kippstellung heraus ergeben können. Außerdem kann die erfindungsgemäße Vorrichtung äußerst verschleißarm ausgebildet werden.The inventive use of a sensor designed as a potentiometer, the distance of the window or door leaf from the associated frame in the various states is not in a pressure, but in a proportional Adjustment of a movable contact or grinder of the potentiometer, ie converted into a proportional path change. The resulting analog voltage signal is therefore not only substantially proportional to the path traveled by the monitored window or door leaf, but also allows precise detection of its current position. This facilitates the calibration of the device and, if necessary, also makes it easier to detect intermediate positions which, for example, can result from the desired tilting position due to wind or draft. In addition, the device according to the invention can be designed extremely wear.

Weitere vorteilhafte Merkmale der Erfindung ergeben sich aus den Unteransprüchen.Further advantageous features of the invention will become apparent from the dependent claims.

Die Erfindung wird nachfolgend in Verbindung mit den beiliegenden Zeichnungen an einem Ausführungsbeispiel näher erläutert. Es zeigen:

  • Fig. 1 schematisch einen Fensterflügel im geöffneten, gekippten und geschlossenen Zustand;
  • Fig. 2 schematisch einen vergrößerten Längsschnitt durch einen erfindungsgemäßen Sensor bei geöffnetem Fensterflügel entsprechend Fig. 1a;
  • Fig. 3 und 4 der Fig. 2 entsprechende Ansichten des Sensors bei den Zuständen "gekippt" und "geschlossen" entsprechend Fig. 1b) und 1c);
  • Fig. 5 schematisch die elektrische Funktion eines an den Sensor nach Fig. 2 bis 4 anschließbaren Schaltkreises.
The invention will be explained in more detail below in connection with the accompanying drawings of an embodiment. Show it:
  • Fig. 1 schematically a window sash in the open, tilted and closed state;
  • Fig. 2 schematically an enlarged longitudinal section through a sensor according to the invention with the window sash open accordingly Fig. 1a ;
  • Fig. 3 and 4 of the Fig. 2 corresponding views of the sensor in the states "tilted" and "closed" accordingly Fig. 1b) and 1c );
  • Fig. 5 schematically the electrical function of a to the sensor after Fig. 2 to 4 connectable circuit.

Fig. 1 zeigt schematisch einen Fensterflügel 1 und einen diesem zugeordneten Blendrahmen 2. Der Fensterflügel 1 befindet sich in Fig. 1a) in einem voll geöffneten Zustand. An der Innenseite eines unteren, horizontalen Profils 3 des Blendrahmens 2 ist ein erfindungsgemäßer Sensor 4 befestigt, der mit einem nur in Fig. 1a) klar sichtbaren Schieber 5 versehen ist. Der Schieber 5 dient dem Zweck, mit einer zugeordneten Kante 6 des Fensterflügels 1 zusammenzuwirken, die an einem unteren, horizontalen Profil 7 des Fensterflügels 1 und an dessen nach außen weisender Seite angebracht ist. Fig. 1 schematically shows a window sash 1 and its associated frame 2. The sash 1 is located in Fig. 1a ) in a fully opened state. On the inside of a lower, horizontal profile 3 of the frame 2, a sensor 4 according to the invention is attached, which with a only in Fig. 1a ) clear visible slider 5 is provided. The slider 5 serves the purpose of cooperating with an associated edge 6 of the window sash 1, which is attached to a lower, horizontal profile 7 of the sash 1 and to the outwardly facing side.

Der Sensor 4 und sein Schieber 5 sind in Fig. 2 bis 4 vergrößert dargestellt, wobei schematisch auch die auf den Schieber 5 wirkende Kante 6 des Fensterflügels 1 angedeutet ist. Der Schieber 5 ist in einem Gehäuse 8 des Sensors 4 in Richtung eines Pfeils v linear hin- und herschiebbar angeordnet. Dazu weist das Gehäuse 8 eine zur Seite der Kante 6 hin geöffnete Aussparung 9 mit einer zur Richtung des Pfeils v parallelen Mittelachse 10 auf. Der Schieber 5 ist in dieser Aussparung 9 mit Gleitsitz geführt und mittels einer ersten Feder 11, die an einem von der Kante 6 entfernten Boden 8a des Gehäuses 8 abgestützt ist, in Richtung der Kante 6 vorgespannt. Die Feder 11 ragt dabei z.B. in eine zur Mittelachse 10 koaxiale, dem Boden 8a zugewandte Ausnehmung 5a des Schiebers 5 und stützt sich mit ihrem vom Boden 8a entfernten Ende an einer Endfläche der Ausnehmung 5a ab. Dadurch kann der Schieber 5 z.B. die drei aus Fig. 2 bis 4 ersichtlichen Stellungen einnehmen, in denen die Feder 11 gar nicht (Fig. 2), teilweise (Fig. 3) oder ganz (Fig. 4) eingedrückt ist und eine mit der Kante 6 zusammenwirkende und an dieser anliegende Spitze 5b mehr oder weniger weit aus dem Gehäuse 8 herausragt.The sensor 4 and its slide 5 are in Fig. 2 to 4 shown enlarged, wherein also schematically acting on the slide 5 edge 6 of the window sash 1 is indicated. The slider 5 is arranged in a housing 8 of the sensor 4 in the direction of an arrow v linearly pushed back and forth. For this purpose, the housing 8 has a recess 9 which is open towards the side of the edge 6 and has a center axis 10 parallel to the direction of the arrow v . The slide 5 is guided in this recess 9 with sliding fit and by means of a first spring 11 which is supported on a remote from the edge 6 bottom 8 a of the housing 8, biased in the direction of the edge 6. In this case, the spring 11 protrudes, for example, into a recess 5a of the slider 5 which is coaxial with the central axis 10 and faces the bottom 8a, and is supported by its end remote from the base 8a on an end face of the recess 5a. As a result, the slider 5, for example, the three out Fig. 2 to 4 take obvious positions in which the spring 11 is not at all ( Fig. 2 ), partially ( Fig. 3 ) or completely ( Fig. 4 ) is pressed and a cooperating with the edge 6 and abutting this tip 5 b more or less protrudes from the housing 8.

Parallel zur Mittelachse 10 des Gehäuses 8 und in Fig. 2 bis 4 unterhalb des Schiebers 5 und der Aussparung 9 ist ein Potentiometer 14 angeordnet. Dieses enthält gemäß Fig. 5 eine parallel zum Pfeil v angeordnete, an einer Gehäusewand befestigte Widerstandsbahn 14a, die z.B. aus einem elektrischen Widerstandsdraht besteht, und eine oberhalb von dieser angeordnete, zu ihr parallele Schleiferbahn 14b, die z.B. aus einem elektrisch gut leitenden Material besteht. Beide Bahnen 14a, 14b sind z-B. mit Hilfe eines nicht dargestellten, auf die Enden der Widerstandsbahn 14a aufgelegten Rahmens in einem geringen Abstand und parallel zueinander angeordnet.Parallel to the central axis 10 of the housing 8 and in Fig. 2 to 4 below the slider 5 and the recess 9, a potentiometer 14 is arranged. This contains according to Fig. 5 an arranged parallel to the arrow v , fixed to a housing wall resistor track 14a, for example, consists of an electrical resistance wire, and arranged above this, parallel to her slider track 14b, for example, consists of a highly electrically conductive material. Both tracks 14a, 14b are, for example. by means of a frame, not shown, placed on the ends of the resistor track 14 a frame at a small distance and arranged parallel to each other.

Der Schieber 5 ist an seiner den Bahnen 14a, 14b zugewandten Seite mit einem Aktuator 15 in Form eines abgerundeten Knopfs od. dgl. versehen, der mit seiner Endfläche auf die Schleiferbahn 14b drückt und diese daher dort, wo er sich momentan befindet, gegen die Widerstandsbahn 14a legt. Dadurch werden die beiden Bahnen 14a, 14b jeweils am Ort des Aktuators 15 in elektrischen Kontakt miteinander gebracht.The slider 5 is at its the webs 14 a, 14 b facing side with a Actuator 15 in the form of a rounded knob or the like. Provided that presses with its end face on the slider track 14b and therefore where it is currently, against the resistance track 14a sets. As a result, the two tracks 14a, 14b are brought into electrical contact with each other at the location of the actuator 15.

Der Aktuator 15 ist vorzugsweise in einer weiteren Ausnehmung 16 des Schiebers 5, deren Mittelachse senkrecht zur Mittelachse 10 des Gehäuses 8 angeordnet ist, mit Gleitsitz verschiebbar gelagert. In dieser Ausnehmung 16 ist eine zweite Feder 17 angeordnet, die sich mit einem ersten Ende an einer Endfläche der Ausnehmung 16 und mit einem zweiten Ende am Aktuator 15 bzw. am Boden einer in diesem ausgebildeten Aussparung 15a abstützt. Dadurch wird der Aktuator 15 mit einer vergleichsweise kleinen Federkraft in Richtung der Schleiferbahn 14b vorgespannt und gegen diese gedrückt, um sie gerade fest genug gegen die Widerstandsbahn 14a zu legen und einen guten elektrischen Kontakt herzustellen.The actuator 15 is preferably slidably mounted in a further recess 16 of the slider 5, whose central axis is arranged perpendicular to the central axis 10 of the housing 8, with sliding fit. In this recess 16, a second spring 17 is arranged, which is supported with a first end on an end face of the recess 16 and with a second end on the actuator 15 and at the bottom of a recess 15 a formed in this. Thereby, the actuator 15 is biased with a comparatively small spring force in the direction of the slider track 14b and pressed against it, just to put it firmly enough against the resistance track 14a and to make a good electrical contact.

Wie Fig. 2 bis 4 weiter zeigen, wird die Schleiferbahn 14b in Abhängigkeit von der momentanen Stellung des Schiebers 5 an unterschiedlichen Stellen gegen die Widerstandsbahn 14a gedrückt. Insgesamt wird dadurch eine Funktion nach Art eines Potentiometers erhalten, bei dem der jeweilige Berührongspunkt 14c (Fig. 5) zwischen den Bahnen 14a, 14b den Schleifer bzw. den beweglichen Kontakt darstellt.As Fig. 2 to 4 show further, the slider track 14b is pressed in response to the current position of the slider 5 at different locations against the resistance path 14a. Overall, a function is thereby obtained in the manner of a potentiometer, in which the respective touch point 14c (FIG. Fig. 5 ) between the tracks 14a, 14b represents the slider or the movable contact.

Fig. 5 zeigt schematisch die Wirkungsweise dieses Potentiometers innerhalb des Sensors 4. Die Widerstandbahn 14a wird an ihren Enden an eine Gleichspannung gelegt, z.B. mit Hilfe einer schematisch dargestellten Batterie 18. Dagegen wird die Schleiferbahn 14b z.B. an dem einen oder anderen Ende mit einem Abgriff 19 versehen. An diesem Abgriff 19 kann je nach Stellung des Aktuators 15 eine Teilspannung der an der Widerstandsbahn 14a anliegenden Batteriespannung abgenommen werden. Diese Spannung ist im wesentlichen proportional dem Verschiebeweg des Aktuators 15 bzw. der Stellung des Schiebers 5 parallel zur Richtung des Pfeils v. Fig. 5 shows schematically the operation of this potentiometer within the sensor 4. The resistor track 14a is placed at its ends to a DC voltage, for example by means of a schematically illustrated battery 18. In contrast, the slider track 14b is provided at one end or the other with a tap 19. Depending on the position of the actuator 15, a partial voltage of the battery voltage applied to the resistance track 14 a can be removed at this tap 19. This voltage is substantially proportional to the displacement of the actuator 15 and the position of the slider 5 parallel to the direction of the arrow v .

Beim Gebrauch wird der Sensor 4 so am Profil 3 (Fig. 1) befestigt, daß die Bahnen 14a, 14b und die Mittelachse 10 des Gehäuses 8 im wesentlichen parallel zur Bewegungsrichtung des Fensterflügels 1 angeordnet sind. Weiterhin wird die Anordnung zweckmäßig so getroffen, daß z.B. die Spitze 5b des Schiebers 5 bei geöffnetem Fensterflügel 1, voll in Richtung der Kante 6 aus dem Gehäuse 8 ausgefahren ist (Fig. 1a und 2), bei im Kippzustand befindlichem Fensterflügel 1 z.B. halb in das Gehäuse 8 eingefahren ist (Fig. 1b und 3) und bei geschlossenem Fensterflügel 1 voll in das Gehäuse 8 zurückgezogen ist (Fig. 1c und 4). Schließlich ist die Länge der Bahnen 14a, 14b vorzugsweise so gewählt, daß sich diese zumindest über den ganzen Verschiebeweg des Aktuators 15 erstrecken.In use, the sensor 4 is so on the profile 3 ( Fig. 1 ), that the tracks 14a, 14b and the central axis 10 of the housing 8 are arranged substantially parallel to the direction of movement of the window sash 1. Furthermore, the arrangement is suitably made so that, for example, the tip 5b of the slider 5 is fully extended in the direction of the edge 6 of the housing 8 with the window sash 1 open ( Fig. 1a and 2 ), for example, when the window wing 1 is in the tilted state, it is halfway into the housing 8 ( Fig. 1b and 3 ) and with the window sash 1 fully retracted into the housing 8 ( Fig. 1c and 4 ). Finally, the length of the tracks 14a, 14b is preferably selected such that they extend at least over the entire displacement path of the actuator 15.

Der beschriebene Sensor 4 eignet sich insbesondere zur Überwachung bzw. Anzeige der Öffnungszustände von Fenstern und Türen in Gebäuden. Bei Bedarf kann jedem Fenster und jeder Tür ein derartiger Sensor 4 zugeordnet sein, um dann von einer zentralen Stelle aus zu überprüfen, in welchem Öffnungszustand sich die vorhandenen Fenster und Türen befinden. Zu diesem Zweck kann die Verarbeitung der an den Abgriffen 19 abgenommenen Signale zweckmäßig analog zur Schrift DE 101 61 761 A1 mit den dort gezeigten Mitteln und insbesondere dadurch erfolgen, dass diese Signale einem Mikroprozessor 20 (Fig. 5) zugeführt und dann vorzugsweise mittels eines Funksenders an einen entfernten Ort übermittelt werden. Insbesondere kann es sich dabei um einen Schaltkasten handeln, der nahe einer Haupteingangstür eines Gebäudes angeordnet ist, Empfänger für die verschiedenen Funksignale aufweist und mit Hilfe von Displays, Kontrollleuchten od. dgl. anzeigt, ob alle zu überwachenden Fenster und/oder Türen geschlossen sind oder ob sich wenigstens ein Fenster und/oder eine Tür in einem Kipp- oder Offenzustand befindet. Auch die Weiterleitung der Signale an einen vom überwachten Gebäude entfernten Ort, z.B. einem Wach- und Sicherheitsdienst, ist möglich. Insoweit wird die Schrift DE 101 61 761 A1 hiermit zur Vermeidung von Wiederholungen durch Referenz auf sie zum Gegenstand der vorliegenden Offenbarung gemacht.The sensor 4 described is particularly suitable for monitoring or displaying the opening conditions of windows and doors in buildings. If necessary, such a sensor 4 can be assigned to each window and each door, in order then to check from a central location in which opening state the existing windows and doors are located. For this purpose, the processing of the signals picked up at the taps 19 can expediently be analogous to the font DE 101 61 761 A1 with the means shown there and, in particular, that these signals are sent to a microprocessor 20 (FIG. Fig. 5 ) and then preferably transmitted by means of a radio transmitter to a remote location. In particular, it may be a switch box, which is located near a main entrance door of a building, has receivers for the various radio signals and with the help of displays, control lights od. Like. Indicates whether all monitored windows and / or doors are closed or Whether at least one window and / or door is in a tilt or open state. It is also possible to forward the signals to a location remote from the monitored building, eg a security service. In that regard, the font DE 101 61 761 A1 hereby made the subject of the present disclosure to avoid repetition by reference to them.

Bei dem Potentiometer 14 handelt es sich mit besonderem Vorteil um ein sogenanntes Folienpotentiometer. Potentiometer dieser Art werden z.B. von der Firma Spectra Symbol, USA, hergestellt und unter den Marken "Softpot" und "Hotpot" auf dem Markt angeboten. Bei diesen Potentiometern bestehen beispielsweise die Widerstandsbahnen aus einem elektrisch leitenden Kohlenstoffdraht und die Schleiferbahnen aus einem Silberdraht.The potentiometer 14 is with particular advantage to a so-called Membrane. Potentiometers of this type are manufactured eg by the company Spectra Symbol, USA, and are offered on the market under the brands "Softpot" and "Hotpot". In these potentiometers, for example, the resistance paths consist of an electrically conductive carbon wire and the slider tracks of a silver wire.

Die Erfindung ist nicht auf das beschriebene Ausführungsbeispiel beschränkt, das auf vielfache Weise abgewandelt werden kann. Insbesondere können anstelle der beschriebenen Potentiometer auch andere Potentiometer vorgesehen werden, die einen verschiebbaren, mit dem Schieber 5 oder einem ähnlichen Schieber verbundenen Abgriff aufweisen. Weiter stellt der Sensor 4 insgesamt nur ein Ausführungsbeispiel dar, das in vielfacher Hinsicht anders gestaltet sein kann, als in Fig. 2 bis 4 dargestellt ist. Weiter ist klar, daß der Sensor 4 auch zur Abtastung von nur zwei unterschiedlichen Zuständen, z.B. "geschlossen" und "gekippt" oder "geschlossen" und "offen", angewendet werden kann. Eine derartige Anwendung ist z.B. erforderlich, wenn es sich um Türen/Fenster handelt, die nur diese beiden definierten Zustände einnehmen können. Abgesehen davon kann es zweckmäßig sein, jedem Fenster bzw. jeder Tür zwei Sensoren 4 zuzuordnen, von denen einer die Stellungen "geschlossen" und "gekippt" und der andere die Stellungen "geschlossen" und "offen" anzeigt; wenn auch die beschriebene Lösung, daß mit einem einzigen Sensor 4 alle drei Zustände angezeigt werden, für am besten gehalten wird. Schließlich versteht sich, dass die verschiedenen Merkmale auch in anderen als den beschriebenen und dargestellten Kombinationen angewendet werden können.The invention is not limited to the described embodiment, which can be modified in many ways. In particular, instead of the potentiometers described, other potentiometers may be provided which have a displaceable tap connected to the slider 5 or a similar slider. Furthermore, the sensor 4 is overall only one embodiment, which can be designed differently in many ways, as in Fig. 2 to 4 is shown. Furthermore, it is clear that the sensor 4 can also be used to scan only two different states, eg "closed" and "tilted" or "closed" and "open". Such an application is required, for example, when it comes to doors / windows that can only assume these two defined states. Apart from that, it may be expedient to associate with each window or each door two sensors 4, one of which indicates the positions "closed" and "tilted" and the other indicates the positions "closed" and "open"; although the described solution that all three states are displayed with a single sensor 4 is considered best. Finally, it is understood that the various features may be applied in combinations other than those described and illustrated.

Claims (6)

  1. Apparatus for indicating the open state of a window or a door having a single sensor (4) which is intended to be mounted between a fixed frame (2) and a leaf (1) of the window or of the door, the said sensor having an electrical resistance which can vary as a function of the three states "open", "tilted" and "closed" of the leaf (1), and it being possible for an electrical circuit for emitting state signals which indicate the three states to be connected to the said sensor, characterized in that the sensor (4) is in the form of a potentiometer (14) which has a slide (5) which can be adjusted by the leaf (1) and on which an actuator (15), which is prestressed by a first spring (17) and forms a wiper (14c) of the potentiometer (14), is mounted in a movable manner.
  2. Apparatus according to Claim 1, characterized in that the potentiometer (14) has in each case a resistance and wiper track (14a, 14b) and the slide (5) is arranged such that it can move parallel to the wiper track (14b).
  3. Apparatus according to Claim 2, characterized in that the slide (5) is prestressed by a second spring (11).
  4. Apparatus according to one of Claims 1 to 3, characterized in that the slide (5) is provided with a cutout (15a) which is arranged transverse to its movement direction and accommodates the actuator (15) and the first spring (17).
  5. Apparatus according to one of Claims 1 to 4, characterized in that the electrical circuit is designed to emit state signals and is connected to a radio transmitter which is intended to remotely transmit the state signals.
  6. Apparatus according to one of Claims 1 to 5, characterized in that the sensor (4) is designed to detect all three states "closed", "tilted" and "open".
EP07021285A 2006-11-01 2007-10-31 Device for displaying the open/closed status of a window or door Active EP1918890B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07021285T PL1918890T3 (en) 2006-11-01 2007-10-31 Device for displaying the open/closed status of a window or door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202006016872U DE202006016872U1 (en) 2006-11-01 2006-11-01 Window/door e.g. main entrance door, opening condition indicating device, has sensor with resistor changed based on opened, tilted and closed condition of wing, where sensor is formed based on potentiometer having slider adjustable by wing

Publications (2)

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EP1918890A1 EP1918890A1 (en) 2008-05-07
EP1918890B1 true EP1918890B1 (en) 2011-01-05

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AT (1) ATE494605T1 (en)
DE (2) DE202006016872U1 (en)
ES (1) ES2359338T3 (en)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017080754A1 (en) 2015-11-13 2017-05-18 Efp Vertriebs- Und Servicegesellschaft Mbh Device for sensing a state of a window or door
DE102017110279A1 (en) * 2017-05-11 2018-11-15 Efp Vertriebs- Und Servicegesellschaft Mbh Apparatus and method for detecting and signaling a status of a window or door

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Publication number Priority date Publication date Assignee Title
DE102010003113B4 (en) 2010-03-22 2021-12-09 Aug. Winkhaus Gmbh & Co. Kg Monitoring device for monitoring a closed position of a leaf pivotable against a frame
DE102010003163A1 (en) * 2010-03-23 2011-09-29 Aug. Winkhaus Gmbh & Co. Kg Monitoring device for monitoring a closed position of a wing pivotable against a frame
DE202014104195U1 (en) 2014-09-05 2014-09-17 Elv Elektronik Ag sensor device
DE102019109684A1 (en) 2018-04-12 2019-10-17 Z-Wave Europe Gmbh Sensor device for detecting an opening status of a window sash of a window or a door leaf of a door

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Publication number Priority date Publication date Assignee Title
DE10161761B4 (en) * 2001-12-15 2007-11-08 Efp Bauelemente Gmbh Microprocessor-controlled window state control for wireless transmission of the opening state of a window or a door
DE20305285U1 (en) 2003-04-02 2003-06-12 Neudecker & Jolitz Gmbh & Co Door opener has absolute position sensor, a control system drive with absolute position potentiometer, optical or magnetic field sensor between drive and linkage
US7057510B2 (en) 2004-02-11 2006-06-06 American Security Products Company Door condition sensor for safes and secured areas

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017080754A1 (en) 2015-11-13 2017-05-18 Efp Vertriebs- Und Servicegesellschaft Mbh Device for sensing a state of a window or door
DE102015119613A1 (en) 2015-11-13 2017-05-18 Efp Vertriebs- Und Servicegesellschaft Mbh Device for detecting a state of a window or a door
DE102017110279A1 (en) * 2017-05-11 2018-11-15 Efp Vertriebs- Und Servicegesellschaft Mbh Apparatus and method for detecting and signaling a status of a window or door
WO2018206649A1 (en) 2017-05-11 2018-11-15 Efp Vertriebs- Und Servicegesellschaft Mbh Device and method for detecting and signaling a state of a window or a door

Also Published As

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ATE494605T1 (en) 2011-01-15
DE502007006170D1 (en) 2011-02-17
EP1918890A1 (en) 2008-05-07
DE202006016872U1 (en) 2007-01-11
PL1918890T3 (en) 2011-07-29
ES2359338T3 (en) 2011-05-20

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