EP3374976A1 - Device for sensing a state of a window or door - Google Patents

Device for sensing a state of a window or door

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Publication number
EP3374976A1
EP3374976A1 EP16791534.7A EP16791534A EP3374976A1 EP 3374976 A1 EP3374976 A1 EP 3374976A1 EP 16791534 A EP16791534 A EP 16791534A EP 3374976 A1 EP3374976 A1 EP 3374976A1
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EP
European Patent Office
Prior art keywords
sensor
unit
sensor unit
window
door
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16791534.7A
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German (de)
French (fr)
Other versions
EP3374976B1 (en
Inventor
Florian Schmidt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EFP Vertriebs- und Servicegesellschaft mbH
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EFP Vertriebs- und Servicegesellschaft mbH
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Publication of EP3374976A1 publication Critical patent/EP3374976A1/en
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Classifications

    • 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

Definitions

  • the invention relates to a device for detecting a state of a window or a door.
  • a device for detecting a state of a window or a door.
  • Such a device is commonly used e.g. used in windows or doors to determine whether the respective component is closed, opened or in an intermediate state, e.g. is tilted.
  • the device is coupled to an alarm system or the like.
  • the document EP 1 918 890 B1 indicates such a device.
  • the object of the present invention is therefore to provide an improved device for detecting a state of a window or a door.
  • the object is achieved by a device having the features of claim 1.
  • a basic idea of the invention is to provide an already existing device with a second sensor unit, which is provided for detecting a further state of the window or the door and detects vibrations or oscillations.
  • a device for detecting a state of a window or door includes at least a first sensor unit for detecting a state of an open, tilted or closed window / door by means of a potentiometer as a first sensor and an actuator associated therewith.
  • the device is provided with at least one second sensor unit for detecting a further state of the window or the door, this state having vibrations caused by the action of force.
  • the at least one second sensor unit has at least one second sensor, which is a vibration sensor. Vibration sensors are available in a large selection and high quality at low cost and have little space.
  • the at least one second sensor is designed as a vibration sensor with at least one piezoceramic bimorph element. If the at least one second sensor has at least one preferred direction of action, it can be arranged correspondingly in the device, whereby the preferred operating direction has the advantage that a signal amplitude of a signal detected in this direction of action is particularly high. Thus, an original mounting location of the device can still be used, wherein the sensor element must be aligned with its effective direction in the direction in which a probability of violence is greatest. Relevant empirical values can be used for this purpose.
  • the device has a control device with an adaptation unit for the at least one second sensor unit, two evaluation units for a respective sensor unit and a transmission unit. This makes a compact design possible.
  • the matching unit has at least one filter circuit, which serves for the selective filtering of an output signal of the second sensor. This gives the advantage of a special signal selection to reduce false alarms.
  • the evaluation unit for the second sensor unit can be designed at least for an evaluation of the time length and amplitude of the signals of the second sensor unit. This increases selectivity and precision. If e.g. In the case of a hammer, a glass pane is destroyed only at the second or third time, and by evaluating the signals generated thereby over a certain period of time, the frequency of its occurrence can be detected and thus reduced by e.g. other periodic noises or
  • the evaluation unit for the second sensor unit can be designed to analyze signal characteristics of the signals of the second sensor unit, wherein a comparison with previously stored waveforms is performed. This makes a particularly advantageous evaluation with significant reduction of false alarms possible. An adaptation to different environmental and installation conditions can thus be easily realized.
  • an additional evaluation unit may be provided, which is assigned to the first sensor unit and examines the Ausganssignale to vibrations. In this way, a plausibility of the detected signals can be made possible.
  • the housing may e.g. be made of a weatherproof plastic, with a suitable protection against ingress of moisture and dust can be reduced to a minimum in a simple manner.
  • Figure 1 is a schematic representation of a device according to the invention with a partially open housing
  • Figure 2 is a schematic block diagram of an embodiment of the device according to the invention of Fig. 1;
  • FIG. 3 shows a schematic block diagram of a variant of the exemplary embodiment according to FIG. 2.
  • Coordinates x, y and z are for better orientation.
  • Figure 1 shows a schematic representation of a device according to the invention with a partially opened housing.
  • the device 1 for detecting a state of a window or a door has a first sensor unit 3 and a second sensor unit 7 in a common housing 2.
  • the device 1 is intended for installation in a window or a door. Reference is made to document EP 1 918 890 B1.
  • the housing 2 is made in this embodiment of a weatherproof plastic and has a substantially cuboid shape.
  • the first sensor unit 3 is arranged here in an upper quarter of the housing 2 and has a first sensor 4.
  • the sensor 4 is designed as a potentiometer.
  • the potentiometer cooperates with an actuator 5, which is displaceable in an effective direction 5a in the x direction.
  • the first sensor unit 3 is used to detect the following states of a window or a door, namely "open", “tilted”, “closed” A detailed description can be found in the document EP 1 918 890 B1 The first sensor unit 3 will therefore not be further described below unless it is necessary in connection with it.
  • a carrier unit 6 with the second sensor unit 7 and a control device 1 0 is arranged.
  • the carrier unit 6 is here a printed circuit board, e.g. in multilayer design with corresponding SMD components, in order to take up the least amount of space.
  • the second sensor unit 7 has at least one second sensor 8, which is arranged here aligned in the x-direction.
  • the second sensor 8 serves to detect a further state of the window or the door, in which vibrations are generated. These vibrations can be both mechanical and acoustic. Such a condition is caused, for example, by an act of violence and associated with a process of damage, destruction or breakage of components of the window or door. This can be eg when smashing and bursting of glass (window panes), Breaking and / or splintering of wood and / or plastic components, breaking, bending or cracking noises of metal components, crackling noises of tools such as crowbar, hammer, chisel, screwdriver in connection with other components occur.
  • force can be conscious, e.g. as burglary or property damage, but also circumstantial, e.g. by weather or accident and the like. respectively.
  • a condition of a window or a door can be detected not only in the event of a burglary or an act of violence but also in the case of accidents of all kinds with violence.
  • This can be done in addition to the first sensor unit 3.
  • Detecting with the second sensor unit 7 is also possible independently, e.g. if the first sensor unit 3 is defective (e.g., jammed by force) or not activated.
  • Mechanical and acoustic vibrations e.g. through effects such as rain, storm, hail, thunderstorms and the like. as well as e.g. Bird strike are conditional and are detected by the second sensor unit 7, can be excluded in an evaluation of the second sensor unit 7 thereby generated signals.
  • the second sensor 8 it is also possible for the second sensor 8 to be configured for a specific frequency range of noises in the event of violence so that it is precisely such vibrations that can be detected particularly reliably.
  • the second sensor 8 is a vibration / vibration sensor, for example with a piezoceramic bimorph element. Such a transmitter converts mechanical and / or acoustic vibration energy into electrical energy.
  • a drive circuit including the necessary electrical voltage supply is arranged in the vicinity of the second sensor 8. Furthermore, the control device 10 is here on the carrier unit. The control device 10 will be explained in more detail below in connection with FIGS. 2 and 3.
  • a power supply 9 is arranged in the lower portion of the housing 2 in Fig. 1. This can be, for example, suitable button cells with corresponding performance for the first sensor unit 3 and the second sensor unit 4.
  • Fig. 2 is a schematic block diagram of an embodiment of the device 1 according to the invention shown in FIG. 1.
  • the control device 10 comprises an adaptation unit 1 1, two evaluation units 1 3 and a transmission unit 14 with an antenna.
  • the first sensor unit 3 with the first sensor 4 is connected to the evaluation unit 1 3, which in turn is connected to the transmitting unit 14. This is described in detail in the document EP 1 91 8 890 B1 including the mode of operation.
  • the second sensor unit 7 with the second sensor 8 is connected to the matching unit 1 1.
  • the matching unit 11 may be e.g. Have filter circuits which are used for selectively filtering an output signal of the second senors 8.
  • an amplifier circuit for the unfiltered and filtered signal is provided.
  • the filter circuit (s) may also be adjustable to accommodate different window and door materials (glass / metal / wood, etc.).
  • the adaptation unit 1 1 also has an electrical power supply for the second sensor 8. This is e.g. required for sensor elements for which a higher operating voltage than the supply voltage of the power supply is necessary.
  • the evaluation unit 1 2 performs an evaluation of the adaptation unit
  • Waveforms may also be analyzed, which are compared to previously stored waveforms corresponding to certain characteristic noises of force application.
  • a bird strike is e.g. short in time, but has only a moderate amplitude in the waveform.
  • a hammer blow to smash a disc is also short in time, but the detected signal has a much higher amplitude and can have different frequencies and frequency responses to a bird strike.
  • the ejection Processing unit 1 2 also have a device for plausibility of signals.
  • the evaluation unit 1 2 If the evaluation unit 1 2 has determined after evaluation that a state of the window or the door corresponds to a use of force, the evaluation unit 1 2 generates a corresponding signal, which forwards it to the transmission unit 14.
  • the transmitting unit 14 sends the signal obtained from the respective evaluation unit 1 2, 1 3 to a receiver, e.g. a monitoring station which then takes predetermined steps, e.g. Alerting appropriate places, initiates.
  • a receiver e.g. a monitoring station which then takes predetermined steps, e.g. Alerting appropriate places, initiates.
  • FIG. 3 shows a schematic block diagram of a variant of the exemplary embodiment according to FIG. 2.
  • an additional evaluation unit 15 is provided, which is connected in parallel to the already existing evaluation unit 13 between the first sensor unit 3 and the transmitting unit 14.
  • the additional evaluation unit 15 additionally evaluates the output signal of the first sensor 4 such that it has irregularities or artefacts in the amplitude which are superimposed on the usually output DC voltage signal. These artifacts can come from a violence. In this way, the additional evaluation unit 1 5 can also detect and evaluate vibrations. These can be used to check the plausibility of the signals detected by the second sensor unit 7.
  • the adaptation unit 1 1 and the evaluation units 1 2, 13, 1 5 can also be realized at least partially by a program of a microprocessor or microcomputer of the control device 10.
  • a preferred orientation of the second sensor 8 in a particular direction is due to a structure of the sensor device.
  • a plurality of sensor components of the second sensor unit 7 may be assigned, of which, for example, one is arranged in the x-direction, one in the y-direction and one in the z-direction with the respective most sensitive effective direction.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

A device (1) for sensing a state of a window or door comprises at least one first sensor unit (3) for sensing a state of an open, tilted or closed window/door by means of a potentiometer as a first sensor (4) and by means of an actuator (5) connected to the potentiometer. The device (1) further comprises at least one second sensor unit (7) for sensing another state of the window or door, said state involving vibrations or oscillations caused by the effect of force.

Description

Vorrichtung zur Erfassung eines Zustands eines Fensters oder einer Tür  Device for detecting a state of a window or a door
Die Erfindung betrifft eine Vorrichtung zur Erfassung eines Zustands eines Fensters oder einer Tür. Eine derartige Vorrichtung wird üblicherweise z.B. in Fensters oder Türen eingesetzt, um festzustellen, ob das jeweilige Bauteil geschlossen, geöffnet oder in einem Zwischenzustand, z.B. gekippt, ist. Die Vorrichtung ist mit einer Alarmanlage oder dgl. gekoppelt. Das Dokument EP 1 918 890 B1 gibt eine solche Vorrichtung an. The invention relates to a device for detecting a state of a window or a door. Such a device is commonly used e.g. used in windows or doors to determine whether the respective component is closed, opened or in an intermediate state, e.g. is tilted. The device is coupled to an alarm system or the like. The document EP 1 918 890 B1 indicates such a device.
Im Zuge immer häufiger werdender gewaltsamer Einbrüche und auch extern bedingter Gewalteinwirkungen, wie z.B. Wettereinwirkungen, Unfälle und dgl., besteht ein Bedarf an verbesserten und erweiterten Vorrichtungen dieser Art. In the course of increasingly frequent violent burglaries and externally related violence, such. Weather effects, accidents and the like., There is a need for improved and extended devices of this type.
Die Aufgabe der vorliegenden Erfindung besteht daher darin, eine verbesserte Vorrichtung zur Erfassung eines Zustands eines Fensters oder einer Tür zu schaffen Die Aufgabe wird durch eine Vorrichtung mit den Merkmalen des Anspruchs 1 gelöst. The object of the present invention is therefore to provide an improved device for detecting a state of a window or a door. The object is achieved by a device having the features of claim 1.
Ein Grundgedanke der Erfindung besteht darin, eine schon vorhandene Vorrichtung mit einer zweiten Sensoreinheit zu versehen, welche zur Erfassung eines weiteren Zustands des Fensters oder der Tür vorgesehen ist und Vibrationen bzw. Schwingungen erfasst. A basic idea of the invention is to provide an already existing device with a second sensor unit, which is provided for detecting a further state of the window or the door and detects vibrations or oscillations.
Demgemäß umfasst eine Vorrichtung zur Erfassung eines Zustands eines Fensters oder einer Tür mindestens eine erste Sensoreinheit zur Erfassung eines Zu- Stands eines/einer geöffneten, gekippten oder geschlossenen Fensters/Tür mittels eines Potentiometers als erster Sensor und eines damit verbundenen Betätigers. Die Vorrichtung ist mit mindestens einer zweiten Sensoreinheit zur Erfassung eines weiteren Zustands des Fensters oder der Tür versehen, wobei dieser Zustand Vibrationen bzw. Schwingungen aufweist, die durch Gewaltein- Wirkung herbeigeführt sind. „ Accordingly, a device for detecting a state of a window or door includes at least a first sensor unit for detecting a state of an open, tilted or closed window / door by means of a potentiometer as a first sensor and an actuator associated therewith. The device is provided with at least one second sensor unit for detecting a further state of the window or the door, this state having vibrations caused by the action of force. "
In einer Ausführung weist die die mindestens eine zweite Sensoreinheit mindestens einen zweiten Sensor auf, welcher ein Schwingungssensor ist. Schwingungssensoren sind in großer Auswahl und hoher Qualität kostengünstig erhältlich und weisen nur geringen Bauraum auf. In one embodiment, the at least one second sensor unit has at least one second sensor, which is a vibration sensor. Vibration sensors are available in a large selection and high quality at low cost and have little space.
Eine weitere Ausführung sieht hierfür vor, dass der mindestens eine zweite Sensor als Schwingungssensor mit mindestens einem piezokeramischen bimorphen Element ausgebildet ist. Wenn der mindestens eine zweite Sensor mindestens eine bevorzugte Wirkrichtung aufweist, kann er in der Vorrichtung entsprechend angeordnet werden, wodurch die bevorzugte Wirkrichtung den Vorteil erbringt, dass eine Signalamplitude eines in dieser Wirkrichtung erfassten Signals besonders hoch ist. Somit ist kann ein ursprünglicher Einbauort der Vorrichtung weiterhin verwendet werden, wobei das Sensorelement mit seiner Wirkrichtung in die Richtung ausgerichtet werden muss, in welcher eine Wahrscheinlichkeit einer Gewalteinwirkung am größten ist. Dazu können einschlägige Erfahrungswerte herangezogen werden. A further embodiment provides for this that the at least one second sensor is designed as a vibration sensor with at least one piezoceramic bimorph element. If the at least one second sensor has at least one preferred direction of action, it can be arranged correspondingly in the device, whereby the preferred operating direction has the advantage that a signal amplitude of a signal detected in this direction of action is particularly high. Thus, an original mounting location of the device can still be used, wherein the sensor element must be aligned with its effective direction in the direction in which a probability of violence is greatest. Relevant empirical values can be used for this purpose.
In einer noch weiteren Ausführung weist die Vorrichtung eine Steuervorrichtung mit einer Anpassungseinheit für die mindestens eine zweite Sensoreinheit, zwei Auswertungseinheiten für jeweils eine Sensoreinheit und eine Sendeeinheit. Damit ist ein kompakter Aufbau ermöglicht. In yet another embodiment, the device has a control device with an adaptation unit for the at least one second sensor unit, two evaluation units for a respective sensor unit and a transmission unit. This makes a compact design possible.
In einer anderen Ausführung weist die Anpassungseinheit mindestens eine Fil- terschaltung auf, die zur selektiven Filterung eines Ausgangssignals des zweiten Sensors dient. Hierin ergibt sich der Vorteil einer besonderen Signalselektierung zur Reduzierung von Fehlmeldungen. In another embodiment, the matching unit has at least one filter circuit, which serves for the selective filtering of an output signal of the second sensor. This gives the advantage of a special signal selection to reduce false alarms.
Hierzu kann die Auswertungseinheit für die zweite Sensoreinheit mindestens für eine Auswertung von zeitlicher Länge und Amplitude der Signale der zweiten Sensoreinheit ausgebildet sein. Dadurch wird eine Selektierung und Präzision erhöht. Wenn z.B. bei Gewalteinwirkung mit einem Hammer eine Glasscheibe erst beim zweiten oder dritte Mal zerstört wird, kann durch Auswerten der dadurch erzeugten Signale über einen bestimmten Zeitraum die Häufigkeit ihres Auftretens erfasst und somit von z.B. anderen periodischen Geräuschen bzw.For this purpose, the evaluation unit for the second sensor unit can be designed at least for an evaluation of the time length and amplitude of the signals of the second sensor unit. This increases selectivity and precision. If e.g. In the case of a hammer, a glass pane is destroyed only at the second or third time, and by evaluating the signals generated thereby over a certain period of time, the frequency of its occurrence can be detected and thus reduced by e.g. other periodic noises or
Signalen unterschieden werden. Diese gilt auch bei anderen Werkzeugen, mit denen Rahmen oder andere Bauteile aufgebrochen werden sollen. In einer noch weiteren Ausführung kann die Auswertungseinheit für die zweite Sensoreinheit zur Analyse von Signalverläufen der Signale der zweiten Sensoreinheit ausgebildet sein, wobei ein Vergleich mit vorher gespeicherten Kurvenformen durchgeführt wird. Hiermit ist eine besonders vorteilhafte Auswertung mit bedeutender Reduzierung von Fehlalarmen möglich. Auch eine Anpassung an unterschiedliche Umgebungs- und Einbaubedingungen lässt sich somit einfach realisieren. Signals are distinguished. This also applies to other tools with which frames or other components are to be broken. In yet another embodiment, the evaluation unit for the second sensor unit can be designed to analyze signal characteristics of the signals of the second sensor unit, wherein a comparison with previously stored waveforms is performed. This makes a particularly advantageous evaluation with significant reduction of false alarms possible. An adaptation to different environmental and installation conditions can thus be easily realized.
In einer anderen Ausführung kann eine zusätzlich Auswertungseinheit vorgesehen sein, welche der ersten Sensoreinheit zugeordnet ist und deren Ausganssignale auf Schwingungen untersucht. Auf diese Weise kann eine Plausibilisierung der erfassten Signale ermöglicht werden. In another embodiment, an additional evaluation unit may be provided, which is assigned to the first sensor unit and examines the Ausganssignale to vibrations. In this way, a plausibility of the detected signals can be made possible.
Ein besonders vorteilhafter raumsparender Aufbau ergibt sich, wenn die mindestens eine erste Sensoreinheit und die mindestens eine zweite Sensoreinheit in einem Gehäuse angeordnet sind. Das Gehäuse kann z.B. aus einem wetterfesten Kunststoff hergestellt sein, wobei eine geeignete Schutzart gegen Eindringen von Feuchtigkeit und Staub in einfacher Weise auf ein Minimum reduziert werden kann. A particularly advantageous space-saving construction results when the at least one first sensor unit and the at least one second sensor unit are arranged in a housing. The housing may e.g. be made of a weatherproof plastic, with a suitable protection against ingress of moisture and dust can be reduced to a minimum in a simple manner.
Anhand der beigefügten Zeichnungen wird die Erfindung näher erläutert. Es zeigen: Reference to the accompanying drawings, the invention is explained in detail. Show it:
Figur 1 eine schematische Darstellung einer erfindungsgemäßen Vorrichtung mit einem teilweise geöffneten Gehäuse; Figure 1 is a schematic representation of a device according to the invention with a partially open housing;
Figur 2 ein schematisches Blockschaltbild eines Ausführungsbeispiels der erfindungsgemäßen Vorrichtung nach Fig. 1 ; und Figure 2 is a schematic block diagram of an embodiment of the device according to the invention of Fig. 1; and
Figur 3 ein schematisches Blockschaltbild einer Variante des Ausführungsbeispiels nach Fig. 2. FIG. 3 shows a schematic block diagram of a variant of the exemplary embodiment according to FIG. 2.
Gleiche Bauelemente bzw. Funktionseinheiten mit gleicher Funktion sind mit gleichen Bezugszeichen in den Figuren gekennzeichnet. Identical components or functional units with the same function are identified by the same reference numerals in the figures.
Koordinaten x, y und z dienen zur besseren Orientierung. Coordinates x, y and z are for better orientation.
Figur 1 zeigt eine schematische Darstellung einer erfindungsgemäßen Vorrichtung mit einem teilweise geöffneten Gehäuse. Die Vorrichtung 1 zur Erfassung eines Zustands eines Fensters oder einer Tür weist eine erste Sensoreinheit 3 und eine zweite Sensoreinheit 7 in einem gemeinsamen Gehäuse 2 auf. Figure 1 shows a schematic representation of a device according to the invention with a partially opened housing. The device 1 for detecting a state of a window or a door has a first sensor unit 3 and a second sensor unit 7 in a common housing 2.
Die Vorrichtung 1 ist zum Einbau in ein Fenster oder eine Tür vorgesehen. Hierzu wird auf das Dokument EP 1 918 890 B1 verwiesen. The device 1 is intended for installation in a window or a door. Reference is made to document EP 1 918 890 B1.
Das Gehäuse 2 ist in diesem Ausführungsbeispiel aus einem wetterfesten Kunststoff hergestellt und weist eine im Wesentlichen quaderförmige Gestalt auf.The housing 2 is made in this embodiment of a weatherproof plastic and has a substantially cuboid shape.
Es erstreckt sich in einer Längsrichtung hier in Richtung der y-Koordinate und in einer Breitenrichtung in Richtung der x-Koordinate, wobei eine Höhe in z- Richtung verläuft. Die erste Sensoreinheit 3 ist hier in einem oberen Viertel des Gehäuses 2 angeordnet und weist einen ersten Sensor 4 auf. Der Sensor 4 ist als ein Potentiometer ausgebildet. Das Potentiometer wirkt mit einem Betätiger 5 zusammen, welcher in einer Wirkrichtung 5a in x-Richtung verschiebbar ist. Die erste Sensoreinheit 3 dient zur Erfassung von den folgenden Zuständen eines Fensters oder ei- ner Tür, nämlich„offen",„gekippt",„geschlossen". Eine detaillierte Beschreibung ist dem Dokument EP 1 918 890 B1 zu entnehmen. Auf diese Schrift wird hiermit in dieser Offenbarung Referenz genommen. Die erste Sensoreinheit 3 wird daher im Folgenden nicht weiter beschrieben, nur wenn es im Zusammenhang notwendig ist. It extends in a longitudinal direction here in the direction of the y-coordinate and in a width direction in the direction of the x-coordinate, with a height extending in the z-direction. The first sensor unit 3 is arranged here in an upper quarter of the housing 2 and has a first sensor 4. The sensor 4 is designed as a potentiometer. The potentiometer cooperates with an actuator 5, which is displaceable in an effective direction 5a in the x direction. The first sensor unit 3 is used to detect the following states of a window or a door, namely "open", "tilted", "closed" A detailed description can be found in the document EP 1 918 890 B1 The first sensor unit 3 will therefore not be further described below unless it is necessary in connection with it.
In einem mittleren Längsabschnitt des Gehäuses 2 ist eine Trägereinheit 6 mit der zweiten Sensoreinheit 7 und einer Steuervorrichtung 1 0 angeordnet. In a central longitudinal section of the housing 2, a carrier unit 6 with the second sensor unit 7 and a control device 1 0 is arranged.
Die Trägereinheit 6 ist hier eine Leiterplatte, z.B. in Multilayerausführung mit ent- sprechenden SMD-Bauteilen, um geringsten Bauraum zu beanspruchen. The carrier unit 6 is here a printed circuit board, e.g. in multilayer design with corresponding SMD components, in order to take up the least amount of space.
Die zweite Sensoreinheit 7 weist mindestens einen zweiten Sensor 8 auf, welcher hier in x-Richtung ausgerichtet angeordnet ist. Der zweite Sensor 8 dient zur Erfassung eines weiteren Zustands des Fensters oder der Tür, bei welchem Schwingungen bzw. Vibrationen erzeugt werden. Diese Schwingungen können sowohl mechanisch als auch akustisch sein. Ein solcher Zustand ist z.B. durch eine Gewalteinwirkung herbeigeführt und einem Vorgang einer Beschädigung, Zerstörung oder eines Brechens von Bauteilen des Fensters oder der Tür zugeordnet. Dies kann z.B. bei Zerschlagen und Bersten von Glas (Fensterscheiben), Brechen und/oder Zersplittern von Holz- oder/und Kunststoffbauteilen, Brechen, Verbiegen oder Knirschgeräusche von Metallbauteilen, Knackgeräusche von Werkzeugen wie Brecheisen, Hammer, Meißel, Schraubendreher im Zusammenhang mit anderen Bauteilen auftreten. The second sensor unit 7 has at least one second sensor 8, which is arranged here aligned in the x-direction. The second sensor 8 serves to detect a further state of the window or the door, in which vibrations are generated. These vibrations can be both mechanical and acoustic. Such a condition is caused, for example, by an act of violence and associated with a process of damage, destruction or breakage of components of the window or door. This can be eg when smashing and bursting of glass (window panes), Breaking and / or splintering of wood and / or plastic components, breaking, bending or cracking noises of metal components, crackling noises of tools such as crowbar, hammer, chisel, screwdriver in connection with other components occur.
Die Gewaltanwendung kann bewusst, z.B. als Einbruch oder Sachbeschädigung, aber auch umständehalber, z.B. durch Wetter oder Unfall u.dgl. erfolgen. The use of force can be conscious, e.g. as burglary or property damage, but also circumstantial, e.g. by weather or accident and the like. respectively.
Auf diese Weise kann ein Zustand eines Fensters oder einer Tür nicht nur bei ei- nem Einbruch bzw. einer Gewalteinwirkung sondern auch bei Unfällen aller Art mit Gewalteinwirkung erfasst werden. Dies kann zusätzlich zu der ersten Sensoreinheit 3 erfolgen. Ein Erfassen mit der zweiten Sensoreinheit 7 ist aber auch selbständig möglich, z.B. wenn die erste Sensoreinheit 3 defekt ist (z.B. durch Gewaltanwendung klemmt) oder nicht aktiviert wird. In this way, a condition of a window or a door can be detected not only in the event of a burglary or an act of violence but also in the case of accidents of all kinds with violence. This can be done in addition to the first sensor unit 3. Detecting with the second sensor unit 7 is also possible independently, e.g. if the first sensor unit 3 is defective (e.g., jammed by force) or not activated.
Mechanische und akustische Schwingungen, die z.B. durch Einwirkungen wie Regen, Sturm, Hagel, Gewitter u.dgl. sowie z.B. Vogelschlag bedingt sind und von der zweiten Sensoreinheit 7 erfasst werden, können in einer Auswertung der von der zweiten Sensoreinheit 7 dadurch erzeugten Signale ausgenommen wer- den. Es ist auch möglich, dass der zweite Sensor 8 für einen spezifischen Frequenzbereich von Geräuschen bei Gewalteinwirkung so ausgestaltet ist, dass gerade solche Vibrationen besonders sicher erfasst werden können. Mechanical and acoustic vibrations, e.g. through effects such as rain, storm, hail, thunderstorms and the like. as well as e.g. Bird strike are conditional and are detected by the second sensor unit 7, can be excluded in an evaluation of the second sensor unit 7 thereby generated signals. It is also possible for the second sensor 8 to be configured for a specific frequency range of noises in the event of violence so that it is precisely such vibrations that can be detected particularly reliably.
Der zweite Sensor 8 ist ein Vibration-/Schwingungssensor, beispielsweise mit ei- nem piezokeramischen bimorphen Element. Ein solcher Messumformer wandelt mechanische oder/und akustische Schwingungsenergie in elektrische Energie um. The second sensor 8 is a vibration / vibration sensor, for example with a piezoceramic bimorph element. Such a transmitter converts mechanical and / or acoustic vibration energy into electrical energy.
Eine Ansteuerschaltung einschließlich der notwendigen elektrischen Spannungs- Versorgung ist in der Nähe des zweiten Sensors 8 angeordnet. Weiterhin befindet sich die Steuervorrichtung 1 0 hier auf der Trägereinheit. Die Steuervorrichtung 1 0 wird unten noch näher im Zusammenhang mit den Figuren 2 und 3 erläutert. In dem unteren Abschnitt des Gehäuses 2 in Fig. 1 ist eine Energieversorgung 9 angeordnet. Dies können z.B. geeignete Knopfzellen mit entsprechender Leistungsfähigkeit für die ersten Sensoreinheit 3 und die zweite Sensoreinheit 4 sein. In Fig. 2 ist ein schematisches Blockschaltbild eines Ausführungsbeispiels der erfindungsgemäßen Vorrichtung 1 nach Fig. 1 dargestellt. A drive circuit including the necessary electrical voltage supply is arranged in the vicinity of the second sensor 8. Furthermore, the control device 10 is here on the carrier unit. The control device 10 will be explained in more detail below in connection with FIGS. 2 and 3. In the lower portion of the housing 2 in Fig. 1, a power supply 9 is arranged. This can be, for example, suitable button cells with corresponding performance for the first sensor unit 3 and the second sensor unit 4. In Fig. 2 is a schematic block diagram of an embodiment of the device 1 according to the invention shown in FIG. 1.
Die Steuervorrichtung 1 0 umfasst eine Anpassungseinheit 1 1 , zwei Auswer- tungseinheiten 1 3 und eine Sendeeinheit 14 mit einer Antenne. The control device 10 comprises an adaptation unit 1 1, two evaluation units 1 3 and a transmission unit 14 with an antenna.
Die erste Sensoreinheit 3 mit dem ersten Sensor 4 ist mit der Auswertungseinheit 1 3 verbunden, welche ihrerseits an die Sendeeinheit 14 angeschlossen ist. Dies ist in dem Dokument EP 1 91 8 890 B1 einschließlich der Funktionsweise ausführlich beschrieben. The first sensor unit 3 with the first sensor 4 is connected to the evaluation unit 1 3, which in turn is connected to the transmitting unit 14. This is described in detail in the document EP 1 91 8 890 B1 including the mode of operation.
Die zweite Sensoreinheit 7 mit dem zweiten Sensor 8 ist an die Anpassungseinheit 1 1 angeschlossen. Die Anpassungseinheit 1 1 kann z.B. Filterschaltungen aufweisen, die zur selektiven Filterung eines Ausgangssignals des zweiten Sen- sors 8 dienen. Zudem ist eine Verstärkerschaltung für das ungefilterte und gefilterte Signal vorgesehen. Die Filterschaltung(en) kann (können) auch einstellbar sein, um eine Anpassung an unterschiedliche Materialien von Fenster und Tür (Glas/Metall/Holz usw.) vornehmen zu können. Die Anpassungseinheit 1 1 weist auch eine elektrische Spannungsversorgung für den zweiten Sensor 8 auf. Dies ist z.B. bei Sensorelementen erforderlich, für die eine höhere Betriebsspannung als die Versorgungsspannung der Energieversorgung notwendig ist. Die Auswertungseinheit 1 2 führt eine Auswertung der von der AnpassungseinheitThe second sensor unit 7 with the second sensor 8 is connected to the matching unit 1 1. The matching unit 11 may be e.g. Have filter circuits which are used for selectively filtering an output signal of the second senors 8. In addition, an amplifier circuit for the unfiltered and filtered signal is provided. The filter circuit (s) may also be adjustable to accommodate different window and door materials (glass / metal / wood, etc.). The adaptation unit 1 1 also has an electrical power supply for the second sensor 8. This is e.g. required for sensor elements for which a higher operating voltage than the supply voltage of the power supply is necessary. The evaluation unit 1 2 performs an evaluation of the adaptation unit
1 1 verstärkten und gefilterten Signale durch. Dabei wird eine zeitliche Länge und Amplitude mit ausgewertet. Es können auch Signalverläufe analysiert werden, wobei diese mit vorher gespeicherten Kurvenformen verglichen werden, die bestimmten charakteristischen Geräuschen von Gewaltanwendung entsprechen. 1 1 amplified and filtered signals through. In this case, a time length and amplitude is also evaluated. Waveforms may also be analyzed, which are compared to previously stored waveforms corresponding to certain characteristic noises of force application.
Ein Vogelschlag ist z.B. zeitlich kurz, weist aber eine nur mäßige Amplitude im Signalverlauf auf. Im Gegensatz dazu ist ein Hammerschlag zum Zerschlagen einer Scheibe auch zeitlich kurz, aber das erfasste Signal hat dabei eine wesentlich höhere Amplitude und kann zu einem Vogelschlag unterschiedliche Fre- quenzen und Frequenzverläufe aufweisen. A bird strike is e.g. short in time, but has only a moderate amplitude in the waveform. In contrast, a hammer blow to smash a disc is also short in time, but the detected signal has a much higher amplitude and can have different frequencies and frequency responses to a bird strike.
Selbstverständlich können auch andere Signalcharakteristika und weitere Unterscheidungsmerkmale in die Auswertung mit eingehen. So kann die Auswer- tungseinheit 1 2 auch eine Einrichtung zur Plausibilisierung von Signalen aufweisen. Of course, other signal characteristics and other distinguishing features can also be included in the evaluation. So the ejection Processing unit 1 2 also have a device for plausibility of signals.
Wenn die Auswertungseinheit 1 2 nach Auswertung festgestellt hat, dass ein Zu- stand des Fensters oder der Tür einer Gewaltanwendung entspricht, erzeugt die Auswertungseinheit 1 2 ein entsprechendes Signal, das sie an die Sendeeinheit 14 weiterleitet. If the evaluation unit 1 2 has determined after evaluation that a state of the window or the door corresponds to a use of force, the evaluation unit 1 2 generates a corresponding signal, which forwards it to the transmission unit 14.
Die Sendeeinheit 14 sendet das von der jeweiligen Auswertungseinheit 1 2, 1 3 erhaltene Signal an einen Empfänger, z.B. eine Überwachungsstation, der dann zuvor festgelegte Schritte, z.B. Alarmierung entsprechender Stellen, einleitet. The transmitting unit 14 sends the signal obtained from the respective evaluation unit 1 2, 1 3 to a receiver, e.g. a monitoring station which then takes predetermined steps, e.g. Alerting appropriate places, initiates.
Fig. 3 zeigt ein schematisches Blockschaltbild einer Variante des Ausführungsbeispiels nach Fig. 2. FIG. 3 shows a schematic block diagram of a variant of the exemplary embodiment according to FIG. 2.
Im Unterschied zu der Ausführung nach Fig. 2 ist in dieser Variante eine zusätzliche Auswertungseinheit 1 5 vorgesehen, welche parallel zu der schon vorhandenen Auswertungseinheit 13 zwischen der ersten Sensoreinheit 3 und der Sendeeinheit 14 angeschlossen ist. In contrast to the embodiment according to FIG. 2, in this variant an additional evaluation unit 15 is provided, which is connected in parallel to the already existing evaluation unit 13 between the first sensor unit 3 and the transmitting unit 14.
Die zusätzliche Auswertungseinheit 1 5 wertet das Ausgangssignal des ersten Sensors 4 derart zusätzlich aus, dass sie Unregelmäßigkeiten bzw. Artefakte in der Amplitude, die dem üblicherweise ausgegebenen Gleichspannungssignal überlagert sind. Diese Artefakte können von einer Gewalteinwirkung stammen. Auf diese Weise kann die zusätzliche Auswertungseinheit 1 5 auch Vibrationen erfassen und auswerten. Diese können zur Plausibilisierung der von der zweiten Sensoreinheit 7 erfassten Signale herangezogen werden. The additional evaluation unit 15 additionally evaluates the output signal of the first sensor 4 such that it has irregularities or artefacts in the amplitude which are superimposed on the usually output DC voltage signal. These artifacts can come from a violence. In this way, the additional evaluation unit 1 5 can also detect and evaluate vibrations. These can be used to check the plausibility of the signals detected by the second sensor unit 7.
Wenn z.B. in einem gekippten Zustand des Fensters, der durch die ersten Sen- soreinheit 3 erfasst ist, eine Gewaltanwendung erfolgt, wird diese durch die zweite Sensoreinheit 7 erfasst. Somit ist eine Erfassung mehrerer Zustände des Fensters oder der Tür gleichzeitig möglich. If e.g. In a tilted state of the window, which is detected by the first sensor unit 3, a force application takes place, this is detected by the second sensor unit 7. Thus, detection of multiple states of the window or the door is possible simultaneously.
Die Anpassungseinheit 1 1 und die Auswertungseinheiten 1 2, 13, 1 5 können auch zumindest teilweise durch ein Programm eines Mikroprozessors bzw. Mikrocomputers der Steuervorrichtung 1 0 realisiert sein. The adaptation unit 1 1 and the evaluation units 1 2, 13, 1 5 can also be realized at least partially by a program of a microprocessor or microcomputer of the control device 10.
Die Erfindung ist nicht auf die oben beschriebenen Ausführungsbeispiele beschränkt, sondern kann im Rahmen der Ansprüche modifiziert werden. Es kann möglich sein, dass eine bevorzugte Ausrichtung des zweiten Sensors 8 in einer bestimmten Richtung aufgrund eines Aufbaus des Sensorbauelementes bedingt ist. Für eine Erfassung aller Richtungen können beispielsweise mehrere Sensorbauelemente der zweiten Sensoreinheit 7 zugeordnet sein, von denen z.B. jeweils eines in x-Richtung, eines in y-Richtung und eines in z-Richtung mit der jeweiligen empfindlichste Wirkrichtung angeordnet ist. The invention is not limited to the embodiments described above, but may be modified within the scope of the claims. It may be possible that a preferred orientation of the second sensor 8 in a particular direction is due to a structure of the sensor device. For detecting all directions, for example, a plurality of sensor components of the second sensor unit 7 may be assigned, of which, for example, one is arranged in the x-direction, one in the y-direction and one in the z-direction with the respective most sensitive effective direction.
So ist es z.B. denkbar, dass die Auswertungseinheit 13 und die zusätzliche Aus- wertungseinheit 15 zusammengefasst sind. So it is e.g. conceivable that the evaluation unit 13 and the additional evaluation unit 15 are combined.
Es ist auch möglich, dass eines zusätzliche gemeinsame Auswertung der Festlegungen der Auswertungseinheiten 12, 13 und 14 durch eine weitere, übergeordnete Auswerteschaltung erfolgen kann. It is also possible that an additional common evaluation of the definitions of the evaluation units 12, 13 and 14 can be carried out by a further, higher-level evaluation circuit.
ΛΛ
Bezugszeichenliste LIST OF REFERENCE NUMBERS
1 Vorrichtung 1 device
2 Gehäuse  2 housings
3 Erste Sensoreinheit 3 First sensor unit
4 Erster Sensor4 first sensor
5 Betätiger 5 actuators
5a Wirkrichtung  5a direction of action
6 Trägereinheit 6 carrier unit
7 Zweite Sensoreinheit7 Second sensor unit
8 Zweiter Sensor8 second sensor
9 Energieversorgung9 energy supply
10 Steuervorrichtung10 control device
1 1 Anpassungseinheit1 1 adaptation unit
12, 13, 15 Auswertungseinheit12, 13, 15 evaluation unit
14 Sendeeinheit x, y, z Koordinaten 14 transmitting unit x, y, z coordinates

Claims

Ansprüche claims
Vorrichtung (1 ) zur Erfassung eines Zustands eines Fensters oder einer Tür, aufweisend mindestens eine erste Sensoreinheit (3) zur Erfassung eines Zustands eines/einer geöffneten, gekippten oder geschlossenen Fensters/Tür mittels eines Potentiometers als erster Sensor (4) und eines damit verbundenen Betätigers (5), A device (1) for detecting a state of a window or door, comprising at least a first sensor unit (3) for detecting a state of an open, tilted or closed window / door by means of a potentiometer as the first sensor (4) and an associated one Actuator (5),
dadurch gekennzeichnet, characterized,
dass die Vorrichtung (1 ) mit mindestens einer zweiten Sensoreinheit (7) zur Erfassung eines weiteren Zustands des Fensters oder der Tür versehen ist, wobei dieser Zustand Vibrationen bzw. Schwingungen aufweist, die durch Gewalteinwirkung herbeigeführt sind. in that the device (1) is provided with at least one second sensor unit (7) for detecting a further state of the window or the door, this state having vibrations brought about by the action of force.
Vorrichtung (1 ) nach Anspruch 1 , dadurch gekennzeichnet, dass die mindestens eine zweite Sensoreinheit (7) mindestens einen zweiten Sensor (8) aufweist, welcher ein Schwingungssensor ist. Device (1) according to claim 1, characterized in that the at least one second sensor unit (7) has at least one second sensor (8), which is a vibration sensor.
Vorrichtung (1 ) nach Anspruch 2, dadurch gekennzeichnet, dass der mindestens eine zweite Sensor (8) als Schwingungssensor mit mindestens einem piezokeramischen bimorphen Element ausgebildet ist. Device (1) according to claim 2, characterized in that the at least one second sensor (8) is designed as a vibration sensor with at least one piezoceramic bimorph element.
Vorrichtung (1 ) nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass der mindestens eine zweite Sensor (8) mindestens eine bevorzugte Wirkrichtung aufweist. Device (1) according to claim 2 or 3, characterized in that the at least one second sensor (8) has at least one preferred effective direction.
Vorrichtung (1 ) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Vorrichtung (1 ) eine Steuervorrichtung (10) mit einer Anpassungseinheit (1 1 ) für die mindestens eine zweite Sensoreinheit (7), zwei Auswertungseinheiten (13, 12) für jeweils eine Sensoreinheit (3, 7) und eine Sendeeinheit (14) aufweist. Device (1) according to one of the preceding claims, characterized in that the device (1) comprises a control device (10) with an adaptation unit (1 1) for the at least one second sensor unit (7), two evaluation units (13, 12) for each a sensor unit (3, 7) and a transmitting unit (14).
Vorrichtung (1 ) nach Anspruch 5, dadurch gekennzeichnet, dass die Anpassungseinheit (1 1 ) mindestens eine Filterschaltung aufweist, die zur selektiven Filterung eines Ausgangssignals des zweiten Sensors (8) dient. Device (1) according to claim 5, characterized in that the matching unit (1 1) has at least one filter circuit which is used for selective filtering of an output signal of the second sensor (8).
Vorrichtung (1 ) nach Anspruch 5, dadurch gekennzeichnet, dass dieDevice (1) according to claim 5, characterized in that the
Auswertungseinheit (12) für die zweite Sensoreinheit (7) mindestens für ei- ne Auswertung von zeitlicher Länge und Amplitude der Signale der zweiten Sensoreinheit (7) ausgebildet ist. Evaluation unit (12) for the second sensor unit (7) at least for a ne evaluation of the time length and amplitude of the signals of the second sensor unit (7) is formed.
8. Vorrichtung (1 ) nach Anspruch 7, dadurch gekennzeichnet, dass die8. Device (1) according to claim 7, characterized in that the
Auswertungseinheit (12) für die zweite Sensoreinheit (7) zur Analyse von Signalverläufen der Signale der zweiten Sensoreinheit (7) ausgebildet ist, wobei ein Vergleich mit vorher gespeicherten Kurvenformen durchgeführt wird. Evaluation unit (12) for the second sensor unit (7) for analyzing signal waveforms of the signals of the second sensor unit (7) is formed, wherein a comparison is performed with previously stored waveforms.
9. Vorrichtung (1 ) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine zusätzlich Auswertungseinheit (15) vorgesehen ist, welche der ersten Sensoreinheit (3) zugeordnet ist und deren Ausganssignale auf Schwingungen untersucht. 9. Device (1) according to one of the preceding claims, characterized in that an additional evaluation unit (15) is provided, which is associated with the first sensor unit (3) and examines the Ausganssignale to vibrations.
10. Vorrichtung (1 ) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die mindestens eine erste Sensoreinheit (3) und die mindestens eine zweite Sensoreinheit (7) in einem gemeinsamen Gehäuse (2) angeordnet sind. 10. Device (1) according to one of the preceding claims, characterized in that the at least one first sensor unit (3) and the at least one second sensor unit (7) are arranged in a common housing (2).
EP16791534.7A 2015-11-13 2016-10-14 Device for sensing a state of a window or door Active EP3374976B1 (en)

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DE102015119613.1A DE102015119613A1 (en) 2015-11-13 2015-11-13 Device for detecting a state of a window or a door
PCT/EP2016/074764 WO2017080754A1 (en) 2015-11-13 2016-10-14 Device for sensing a state of a window or door

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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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US7187280B2 (en) * 2003-07-31 2007-03-06 Techko, Inc. Alarm system with thin profile
DE202006016872U1 (en) 2006-11-01 2007-01-11 Efp Vertriebs- Und Servicegesellschaft Mbh 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
WO2012096647A1 (en) * 2011-01-10 2012-07-19 Ingersoll-Rand Company Door lock including sensor
DE102013213104A1 (en) * 2013-07-04 2015-01-22 Robert Bosch Gmbh Device and method for determining a closed state of a front door or a house window
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