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EP1631792A1 - Sensor for the detection of the position of a mechanical force-transmitting device - Google Patents

Sensor for the detection of the position of a mechanical force-transmitting device

Info

Publication number
EP1631792A1
EP1631792A1 EP04738545A EP04738545A EP1631792A1 EP 1631792 A1 EP1631792 A1 EP 1631792A1 EP 04738545 A EP04738545 A EP 04738545A EP 04738545 A EP04738545 A EP 04738545A EP 1631792 A1 EP1631792 A1 EP 1631792A1
Authority
EP
European Patent Office
Prior art keywords
power transmission
sensor
mechanical power
lever
sensor element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP04738545A
Other languages
German (de)
French (fr)
Inventor
Frank Schmidt
Oliver Sczesny
Andreas Schneider
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.)
Enocean GmbH
Original Assignee
Enocean GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enocean GmbH filed Critical Enocean GmbH
Publication of EP1631792A1 publication Critical patent/EP1631792A1/en
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • E05B1/003—Handles pivoted about an axis perpendicular to the wing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0057—Feeding
    • E05B2047/0064—Feeding by solar cells
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0067—Monitoring

Definitions

  • the invention relates to a sensor for detecting the position of a mechanical power transmission device.
  • Sensors for detecting the position of a mechanical force transmission device are used, for example, in windows, the locking state of which, for example, an alarm system or a system for building automation, is to be transmitted. This applies, for example, to the prerequisite for arming alarm systems, which requires that all windows and doors must be in a closed and locked state.
  • Another example is the use of the locked state of a window for regulating room heating systems which, for example, stop or at least restrict the supply of further heating energy for this room when the windows are unlocked or opened.
  • a detection and / or determination of the position of mechanical power transmission devices is advantageous.
  • Sensors which are suitable for the abovementioned areas of application are often provided with electronic circuits which transmit information about a radio signal to a remote evaluation device. This reduces the installation effort by saving electrical supply lines to supply the "radio sensors” with electrical energy.
  • the disadvantage of this is the increasing maintenance effort, since the supply of electrical energy realized by batteries has to be renewed at regular intervals.
  • Another disadvantage is the problem of later retrofitting with such "radio sensors”. These are due to the use of batteries as a power supply usually not concealed afterwards.
  • An example of this are sensors of the type mentioned above for window frames or window levers.
  • a device for the wireless determination of a position of a mechanical power transmission device with at least one storage device for storing electrical energy, at least one sensor element which detects the position and is monitored by at least one sensor electronics, including at least one radio transmitter, wherein at least one photovoltaic energy supply device supplies the storage device with electrical energy.
  • the photovoltaic energy supply device for example a solar cell, advantageously enables storage devices which are considerably smaller in space since the storage device is always charged by the solar cell when there is sufficient light.
  • the capacity of the storage device can consequently be chosen to be smaller, the structural size is thus significantly reduced.
  • the smaller size of the storage device in turn includes the advantage that the device can be retrofitted into the panels arranged around window handles, for example.
  • An advantageous embodiment of the invention provides a timer circuit which activates the sensor electronics at predetermined time intervals.
  • the energy-consuming components of the device are temporarily out of operation. This leads to a lower energy requirement compared to one uninterrupted operation.
  • the timing or the time interval of the activation can advantageously be set, so that an approximately permanent transmission of the sensor information can be represented. This is indispensable for various applications, since constant information about the position of a lever is required. This further energy saving results in an even smaller design of the storage device, so that the entire device can be assembled smaller and therefore more easily concealed afterwards.
  • the concealed installation location of the device is a cover, for example a window handle
  • the solar cell can be attached there outside the cover, a connection to the storage device having to be provided. It is therefore advantageous to integrate the solar cell into the panel in such a way that it cannot be accidentally removed or destroyed from the outside.
  • the principle of the memory device corresponds to the function of the device. What is more urgent is the size of the storage device, which should be sufficiently small so that in devices or other cavities not described in more detail, in the vicinity of a mechanical power transmission device such as a lever, for example a window lever, a concealed mounting of the device is feasible ,
  • the capacity of the storage device should be selected so that sufficient energy is available during dark phases during which the solar cell is not supplying energy.
  • Storage devices such as electrical capacitors and electrochemical batteries are suitable.
  • the position of the mechanical power transmission device is detected by means of a magnetically sensitive sensor or a magnetic field detector.
  • the advantage of this embodiment is the simple retrofitting, since one or more small magnets can be easily attached to a mechanical power transmission device, for example a shaft of the lever.
  • the magnetic field detector is advantageously arranged at the end points of the mechanical force transmission device, for example the lever, at the corresponding points. If a magnet lies opposite a magnetic field detector, it responds and transmits this information to the sensor electronics.
  • the sensor electronics transmit this information to a remote evaluation device by means of a radio signal. This evaluation device is not part of the invention and for this reason is not further described here.
  • the figure shows a frame section of a window frame with a mechanical power transmission device, for example a lever, connected to a hamlet, which is equipped with a device according to the aforementioned principle.
  • a mechanical power transmission device for example a lever
  • the window frame 1 which is symbolically indicated here by means of a cutout, contains a lever 2 which transmits the movement of the lever 2 to the locking mechanism by means of a shaft 2a which engages in a locking mechanism.
  • the position of the window lever is an indication of the position of the locking mechanism.
  • Components of the device described here are arranged under a diaphragm 3 arranged around the shaft 2a of the window lever 2.
  • the compact and small design of the individual components enables the arrangement within the called aperture. With the arrangement in the panel, a simple and concealed mounting arrangement can be realized.
  • a solar cell 8 is arranged in the upper section of the diaphragm 3, the diaphragm 3 being provided with a cutout through which light can strike the solar cell 8.
  • this cutout can also be filled with a transparent layer in order to protect the solar cell 8 from mechanical damage.
  • the solar cell 8 is connected to a storage device 11 shown in the lower section of the diaphragm 3. This stores the electrical energy supplied by the solar cell 8.
  • a storage device 11 shown in the lower section of the diaphragm 3.
  • electrochemical accumulators or electrical capacitors are suitable as storage devices.
  • the storage device 11 is in turn connected to a timer circuit 12, which supplies the sensor electronics 7, which is also connected to it, with electrical energy at predetermined time intervals.
  • the sensor electronics 7 contains a radio transmitter that transmits a radio signal.
  • the time intervals in which the timer circuit 12 supplies the sensor electronics 7 with electrical energy can be set, so that an optimized operating point of the entire device can be set.
  • Various parameters must be taken into account when assessing an optimal operating point for the entire device:
  • the sensor electronics 7 are in turn connected to sensors 10. Magnetic field detectors are suitable as sensors 10. ren or magnet-operated reed contacts.
  • the sensors 10 are arranged around a shaft 2a and switch when a permanent magnet 9 arranged on the shaft 2a faces them. The position of the lever can thus be determined by the rotation of the shaft 2a when the lever 2a is actuated.
  • the window lever 2 When the window lever 2 is actuated, a switching process takes place on one of the sensors 10, as a result of which the sensor electronics 7 can be activated as an alternative to the timer circuit 12.
  • the sensor electronics 7 sends the position of the window lever 2 together with an identification number of the device by radio to the remote evaluation device.
  • timer circuit 12 is designed to be very energy-efficient.
  • the timer circuit 12 also automatically activates the transmission of the position of the window lever 2 and the identification number of the device by activating the sensor electronics 7 at fixed or variable time intervals. In this way, continuous window lever monitoring can be implemented.
  • the radio signals of all the devices located in the detection area are received and evaluated in a remote receiving and evaluation unit, not shown, in accordance with the above-mentioned principle. This can be used to trigger another action, for example on a heating control, an alarm or informing the occupant via a display, feeding the information into a building automation system.
  • a device according to the invention is not only suitable for window lifting on window frames, but is also suitable for numerous other mechanical levers. All applications that require an automated determination of lever positions, which is to be transferred to a remote evaluation device, and where assembly in a small space may be subsequently desired, whereby assembly should also take place in a concealed form.
  • 9 + 10 sensors e.g. consisting of 9 magnets and 10 magnet-sensitive sensors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)

Abstract

The invention relates to a device for the wireless determination of a position (4, 5, 6) of a mechanical force-transmitting device (2a), comprising at least one unit (11) for storing electric power and at least one sensor element (10) which detects the position and is monitored by at least one electronic sensor mechanism (7) encompassing at least one radio transmitter. At least one photovoltaic power supply unit (8) supplies electric power to the storage unit (11).

Description

Beschreibung description

Sensor zur Erfassung der Position einer mechanischen Kraft- ÜbertragungsvorrichtungSensor for detecting the position of a mechanical power transmission device

Die Erfindung betrifft einen Sensor zur Erfassung der Position einer mechanischen Kraftübertragungsvorrichtung.The invention relates to a sensor for detecting the position of a mechanical power transmission device.

Sensoren zur Erfassung der Position einer mechanischen Kraft- Übertragungsvorrichtung werden beispielsweise bei Fenstern verwendet, über deren Verriegelungszustand, zum Beispiel einer Alarmanlage oder einer Anlage zur Gebäudeautomatisation, ein Signal zu übermitteln ist. Dies betrifft zum Beispiel die Voraussetzung zur scharfschaltung von Alarmanlagen, die er- fordert, daß alle Fenster und Türen sich in einem geschlossenem und verriegeltem Zustand befinden müssen. Ein weiteres Beispiel ist die Nutzung des Verriegelungszustands eines Fensters zur Regelung von Raumheizungen, die bei entriegelten oder geöffneten Fenstern zum Beispiel die Zufuhr von weiterer Heizenergie für diesen Raum beenden oder zumindest einschränken. Darüber hinaus sind ein Vielzahl anderer Anwendungsbeispiele denkbar bei denen eine Erfassung und/oder Ermittlung der Position von mechanischen Kraftübertragungsvorrichungen vorteilhaft ist.Sensors for detecting the position of a mechanical force transmission device are used, for example, in windows, the locking state of which, for example, an alarm system or a system for building automation, is to be transmitted. This applies, for example, to the prerequisite for arming alarm systems, which requires that all windows and doors must be in a closed and locked state. Another example is the use of the locked state of a window for regulating room heating systems which, for example, stop or at least restrict the supply of further heating energy for this room when the windows are unlocked or opened. In addition, a large number of other application examples are conceivable in which a detection and / or determination of the position of mechanical power transmission devices is advantageous.

Sensoren, die sich für die oben genannten Anwendungsbereiche eignen, sind häufig mit elektronischen Schaltungen versehen, die eine Information über ein Funksignal an eine entfernte Auswerteeinrichtung übermitteln. Damit wird der Installati- onsaufwand durch die Einsparung von elektrischen Zuleitungen zur Versorgung der "Funksensoren" mit elektrischer Energie vermindert. Nachteilig daran ist, der damit steigende Wartungsaufwand, da in regelmässigen Zeitabständen die durch Batterien realisierte Versorgung mit elektrischer Energie er- neuert werden muß. Ein weiterer Nachteil ist, die Problematik einer späteren Nachrüstung mit solchen "Funksensoren". Diese sind durch die Verwendung von Batterien als Energieversorgung meist nicht nachträglich verdeckt anbringbar. Ein Beispiel dafür sind Sensoren der oben genannten Art bei Fensterrahmen, beziehungsweise Fensterhebeln.Sensors which are suitable for the abovementioned areas of application are often provided with electronic circuits which transmit information about a radio signal to a remote evaluation device. This reduces the installation effort by saving electrical supply lines to supply the "radio sensors" with electrical energy. The disadvantage of this is the increasing maintenance effort, since the supply of electrical energy realized by batteries has to be renewed at regular intervals. Another disadvantage is the problem of later retrofitting with such "radio sensors". These are due to the use of batteries as a power supply usually not concealed afterwards. An example of this are sensors of the type mentioned above for window frames or window levers.

Es ist die Aufgabe der Erfindung, eine Vorrichtung der oben genannten Art vorzusehen, die gegenüber den bekannten Vorrichtungen, ohne den Installationsaufwand oder den artungs- aufwand zu erhöhen, auch nachträglich verdeckt anbringbar ist.It is the object of the invention to provide a device of the type mentioned above which, compared to the known devices, can also be retrofitted in a concealed manner without increasing the outlay on installation or training.

Diese Aufgabe wird gelöst durch eine Vorrichtung zur drahtlosen Ermittlung einer Position einer mechanischen Kraftübertragungsvorrichtung, mit zumindest einer Speichereinrichtung zur Speicherung elektrischer Energie, zumindest einem Sensor- element das die Position detektiert und von zumindest einer Sensorelektronik, zumindest einen Funksender beinhaltend, ü- berwacht wird, wobei zumindest eine photovoltaische Energieversorgungseinrichtung, die Speichereinrichtung mit elektrischer Energie versorgt .This object is achieved by a device for the wireless determination of a position of a mechanical power transmission device, with at least one storage device for storing electrical energy, at least one sensor element which detects the position and is monitored by at least one sensor electronics, including at least one radio transmitter, wherein at least one photovoltaic energy supply device supplies the storage device with electrical energy.

Die photovoltaische Energieversorgungseinrichtung, beispielsweise eine Solarzelle, ermöglicht dabei in vorteilhafter Weise, räumlich wesentlich kleinere Speichereinrichtungen, da durch die Solarzelle stets, beim Vorhandensein von ausrei- chend Licht, die Speichereinrichtung geladen wird. Die Kapazität der Speichereinrichtung kann demzufolge kleiner gewählt werden, die bauliche Größe vermindert sich damit deutlich.The photovoltaic energy supply device, for example a solar cell, advantageously enables storage devices which are considerably smaller in space since the storage device is always charged by the solar cell when there is sufficient light. The capacity of the storage device can consequently be chosen to be smaller, the structural size is thus significantly reduced.

Die kleinere Baugröße der Speichereinrichtung, beinhaltet ih- rerseits den Vorteil einer Nachrustbarkeit der Vorrichtung in die zum Beispiel um Fenstergriffe angeordneten Blenden.The smaller size of the storage device in turn includes the advantage that the device can be retrofitted into the panels arranged around window handles, for example.

Eine vorteilhafte Ausführungsform der Erfindung sieht eine Timerschaltung vor, die in vorbestimmten Zeitabständen die Sensorelektronik aktiviert. Damit sind die energieverbrauchenden Komponenten der Vorrichtung zeitweise ausser Betrieb. Dies führt zu einem geringerem Energiebedarf gegenüber einer ununterbrochenen Betriebsweise. Vorteilhafterweise ist in einer weiteren Ausführungsform der Zeittakt, beziehungsweise der Zeitabstand der Aktivierung einstellbar, so daß eine annähernd permanente Übertragung der Sensorinformation dar- stellbar ist. Für verschiedene Anwendungsfälle, ist dies unverzichtbar, da eine ständige Information über die Position eines Hebels erforderlich ist. Diese weitere Energieeinsparung bewirkt eine noch kleinere Bauform der Speichereinrichtung, so daß die gesamte Vorrichtung kleiner und damit leich- ter nachträglich verdeckt montierbar ist.An advantageous embodiment of the invention provides a timer circuit which activates the sensor electronics at predetermined time intervals. As a result, the energy-consuming components of the device are temporarily out of operation. This leads to a lower energy requirement compared to one uninterrupted operation. In a further embodiment, the timing or the time interval of the activation can advantageously be set, so that an approximately permanent transmission of the sensor information can be represented. This is indispensable for various applications, since constant information about the position of a lever is required. This further energy saving results in an even smaller design of the storage device, so that the entire device can be assembled smaller and therefore more easily concealed afterwards.

Ist der verdeckte Montageort der Vorrichtung eine Blende zum Beispiel eines Fenstergriffes, so ist dort die Solarzelle ausserhalb der Blende anbringbar, wobei eine Verbindung mit der Speichereinrichtung vorzusehen ist. Es ist daher vorteilhaft die Solarzelle in die Blende derart zu integrieren, daß diese von aussen nicht versehentlich entfernt oder zerstört werden kann.If the concealed installation location of the device is a cover, for example a window handle, the solar cell can be attached there outside the cover, a connection to the storage device having to be provided. It is therefore advantageous to integrate the solar cell into the panel in such a way that it cannot be accidentally removed or destroyed from the outside.

Als Speichereinrichtungen eignen sich verschiedene Prinzipien. Es ist für die Funktion der Vorrichtung von untergeordneter Bedeutung, welchem Prinzip die Speichereinrichtung entspricht. Vordringlicher ist die Größe der Speichereinrichtung, die ausreichend klein sein sollte, damit in Blenden o- der anderen nicht näher beschriebenen Hohlräumen, in der näheren Umgebung einer mechanischen Kraftübertragungseirichtung wie zum Beipiel eines Hebels, zum Beispiel eines Fensterhebels, eine verdeckte Montage der Vorrichtung machbar ist.Various principles are suitable as storage devices. The principle of the memory device corresponds to the function of the device. What is more urgent is the size of the storage device, which should be sufficiently small so that in devices or other cavities not described in more detail, in the vicinity of a mechanical power transmission device such as a lever, for example a window lever, a concealed mounting of the device is feasible ,

Desweiteren ist die Kapazität der Speichereinrichtung so zu wählen, daß während Dunkelphasen, während derer die Solarzelle keine Energie liefert ausreichend Energie zur Verfügung steht. So eignen sich Speichereinrichtungen wie zum Beispiel elektrische Kondensatoren ebenso wie elektrochemische Akkumu- latoren. Die Detektion der Postition der mechanischen Kraftübertragungsvorrichtung erfolgt mittels eines magnetsensitiven Sensors, bzw. eines Magnetfelddetektors . Vorteilhaft ist bei dieser Ausführungsform die einfache Nachrustbarkeit, da ein oder mehrere kleine Magnete, an einer mechanischen Kraftübertragungsvorrichtung zum Beispiel einer Welle des Hebels einfach anbringbar sind. Vorteilhaft ist an den Endlagen der mechanischen Kraftübertragungsvorrichtung zum Beispiel des Hebels an den entsprechenden Punkten der Magnetfelddetektor an- geordnet. Liegt ein Magnet gegenüber eines Magnetfelddetektors, so spricht dieser an, und übermittelt diese Information an die Sensorelektronik. Die Sensorelektronik übermittelt diese Information mittels eines Funksignals an eine entfernte Auswerteeinrichtung. Diese Auswerteeinrichtung ist nicht Teil der Erfindung und aus diesem Grunde hier nicht weiter beschrieben.Furthermore, the capacity of the storage device should be selected so that sufficient energy is available during dark phases during which the solar cell is not supplying energy. Storage devices such as electrical capacitors and electrochemical batteries are suitable. The position of the mechanical power transmission device is detected by means of a magnetically sensitive sensor or a magnetic field detector. The advantage of this embodiment is the simple retrofitting, since one or more small magnets can be easily attached to a mechanical power transmission device, for example a shaft of the lever. The magnetic field detector is advantageously arranged at the end points of the mechanical force transmission device, for example the lever, at the corresponding points. If a magnet lies opposite a magnetic field detector, it responds and transmits this information to the sensor electronics. The sensor electronics transmit this information to a remote evaluation device by means of a radio signal. This evaluation device is not part of the invention and for this reason is not further described here.

Im Folgenden ist die Erfindung anhand eines Ausführungsbei- spiels unter Bezugnahme auf eine Figur näher erläutert.The invention is explained in more detail below on the basis of an exemplary embodiment with reference to a figure.

Die Figur zeigt einen Rahmenausschnitt eines Fensterrahmens mit einer mechanischen Kraftübertragungsvorrichtung zum Beispiel einem Hebel, verbunden mit einer Weilern, der mit einer Vorrichtung nach dem vorgenannten Prinzip ausgestattet ist.The figure shows a frame section of a window frame with a mechanical power transmission device, for example a lever, connected to a hamlet, which is equipped with a device according to the aforementioned principle.

Der Fensterrahmen 1, der hier mittels eines Ausschnitts symbolisch angedeutet ist, enthält einen Hebel 2, der mittels einer Welle 2a, die in eine Verriegelungsmechanik eingreift, die Bewegung des Hebels 2 auf die Verriegelungsmechanik über- trägt. Demzufolge ist die Position des Fensterhebels ein Indiz für die Position der Verriegelungsmechanik.The window frame 1, which is symbolically indicated here by means of a cutout, contains a lever 2 which transmits the movement of the lever 2 to the locking mechanism by means of a shaft 2a which engages in a locking mechanism. As a result, the position of the window lever is an indication of the position of the locking mechanism.

Unter einer, um die Welle 2a des Fensterhebels 2, angeordneten Blende 3 sind Komponenten der hier beschriebenen Vorrich- tung angeordnet. Die kompakte und kleine Bauweise der einzelnen Komponenten ermöglicht die Anordnung innerhalb der vorge- nannten Blende. Mit der Anordnung in der Blende ist eine einfache und zugleich verdeckte Montageanordnung realisierbar.Components of the device described here are arranged under a diaphragm 3 arranged around the shaft 2a of the window lever 2. The compact and small design of the individual components enables the arrangement within the called aperture. With the arrangement in the panel, a simple and concealed mounting arrangement can be realized.

Eine Solarzelle 8 ist in dem oberen Abschnitt der Blende 3 angeordnet, wobei die Blende 3 mit einem Ausschnitt versehen ist, durch den Licht auf die Solarzelle 8 treffen kann. Alternativ ist dieser Ausschnitt auch mit einer transparenten Schicht ausfüllbar, um die Solarzelle 8 vor mechanischer Beschädigung zu schützen.A solar cell 8 is arranged in the upper section of the diaphragm 3, the diaphragm 3 being provided with a cutout through which light can strike the solar cell 8. Alternatively, this cutout can also be filled with a transparent layer in order to protect the solar cell 8 from mechanical damage.

Die Solarzelle 8 ist mit einer, im unteren Abschnitt der Blende 3 dargestellten, Speichereinrichtung 11 verbunden. Diese speichert die von der Solarzelle 8 gelieferte elektrische Energie. Beispielhaft eignen sich als Speichereinrich- tung sowohl elektrochemische Akkumulatoren oder elektrische Kondensatoren.The solar cell 8 is connected to a storage device 11 shown in the lower section of the diaphragm 3. This stores the electrical energy supplied by the solar cell 8. For example, both electrochemical accumulators or electrical capacitors are suitable as storage devices.

Die Speichereinrichtung 11 ist ihrerseits verbunden mit einer Timerschaltung 12, die in vorbestimmten Zeitabständen, die ebenfalls mit ihr verbundene, Sensorelektronik 7 mit elektrischer Energie versorgt. Dabei enthält die Sensorelektronik 7 einen Funksender, der ein Funksignal absendet. Die Zeitabstände, in denen die Timerschaltung 12 die Sensorelektronik 7 mit elektrischer Energie versorgt sind einstellbar, so daß ein optimierter Arbeitspunkt der gesamten Vorrichtung einstellbar ist. Zur Beurteilung eines optimalen Arbeitspunktes der gesamten Vorrichtung sind verschiedene Parameter zu beachten:The storage device 11 is in turn connected to a timer circuit 12, which supplies the sensor electronics 7, which is also connected to it, with electrical energy at predetermined time intervals. The sensor electronics 7 contains a radio transmitter that transmits a radio signal. The time intervals in which the timer circuit 12 supplies the sensor electronics 7 with electrical energy can be set, so that an optimized operating point of the entire device can be set. Various parameters must be taken into account when assessing an optimal operating point for the entire device:

• die Menge des zur Verfügung stehenden Lichtes,• the amount of light available,

• die Größe des zur Verfügung stehenden Montageortes,• the size of the available installation location,

• die Häufigkeit der Sendeereignisse an eine entfernte Auswerteeinrichtung,The frequency of the transmission events to a remote evaluation device,

• usw.• etc.

Die Sensorelektronik 7 ist ihrerseits wiederum verbunden mit Sensoren 10. Als Sensoren 10 eigenen sich Magnetfelddetekto- ren oder magnetbetätigte Reedkontakte. Die Sensoren 10 sind um eine Welle 2a herum angeordnet und schalten, wenn ein an der Welle 2a angeordneter Dauermagnet 9 ihnen gegenüber steht . Durch die Drehung der Welle 2a bei einer Betätigung des Hebels 2a ist so die Position des Hebels ermittelbar.The sensor electronics 7 are in turn connected to sensors 10. Magnetic field detectors are suitable as sensors 10. ren or magnet-operated reed contacts. The sensors 10 are arranged around a shaft 2a and switch when a permanent magnet 9 arranged on the shaft 2a faces them. The position of the lever can thus be determined by the rotation of the shaft 2a when the lever 2a is actuated.

Bei Betätigung des Fensterhebels 2 erfolgt ein Schaltvorgang an einem der Sensoren 10, wodurch die Sensorelektronik 7 alternativ zur Timerschaltung 12 aktivierbar ist. Die Sensorelektronik 7 sendet die Position des Fensterhebels 2 zusammen mit einer Identifikationsnummer der Vorrichtung per Funk an die entfernte Auswerteeinrichtung.When the window lever 2 is actuated, a switching process takes place on one of the sensors 10, as a result of which the sensor electronics 7 can be activated as an alternative to the timer circuit 12. The sensor electronics 7 sends the position of the window lever 2 together with an identification number of the device by radio to the remote evaluation device.

Weiterhin ist die Timerschaltung 12 sehr stromsparend ausge- führt. Die Timerschaltung 12 aktiviert in festen oder variablen Zeitabständen automatisch ebenfalls die Aussendung der Position des Fensterhebels 2 sowie die Identifikationsnummer der Vorrichtung durch die Aktivierung der Sensorelektronik 7. Auf diese Weise ist eine fortlaufende Fensterhebelüberwachung realisierbar.Furthermore, the timer circuit 12 is designed to be very energy-efficient. The timer circuit 12 also automatically activates the transmission of the position of the window lever 2 and the identification number of the device by activating the sensor electronics 7 at fixed or variable time intervals. In this way, continuous window lever monitoring can be implemented.

In einer, nicht dargestellten, entfernten Empfangs- und Auswerteeinheit werden die Funksignale aller im Erfassungsbereich befindlichen Vorrichtung gemäß des oben genannten Prin- zips empfangen und ausgewertet. Damit ist eine weitere Aktion auslösbar, zum Beispiel an einer Heizungsregelung, ein Alarm oder eine Informierung des Bewohners über ein Display, eine Einspeisung der Information in ein Gebäudeautomatisations- System.The radio signals of all the devices located in the detection area are received and evaluated in a remote receiving and evaluation unit, not shown, in accordance with the above-mentioned principle. This can be used to trigger another action, for example on a heating control, an alarm or informing the occupant via a display, feeding the information into a building automation system.

Zur Vermeidung von Fehlsignalen beziehungsweise zur Umgehung von Funkstörungen, sind folgende Redundanzmaßnahmen in der Funkübertragung und der Auswertung der Funksignale ergriffen.In order to avoid false signals or to avoid radio interference, the following redundancy measures are taken in the radio transmission and the evaluation of the radio signals.

• Mehrfachaussendung der Information bei jeder Übermittlung mit festen Pausen sowie Pausen, die variabel (z.B. zufallsgesteuert) sind, • Kurzzeitige Erhöhung der Sendeaktivität bei Zustandsände- rung des Fensterhebels 2,• Multiple transmission of the information with each transmission with fixed breaks as well as breaks that are variable (eg randomly controlled), • Brief increase in transmission activity when the state of window lever 2 changes,

• Plausibilisierung von Systemstörungen durch Abwarten mehrerer Signale im Falle des Ausbleibens der automatisch ausgesendeten Statustelegramme.• Plausibility check of system faults by waiting for several signals if the automatically transmitted status telegrams fail to appear.

Das vorhergehend dargestellte Ausführungsbeispiel betrifft einen Fensterhebel an einem Fensterrahmen. Eine erfindungsgemäße Vorrichtung eignet sich jedoch nicht nur für Fensterhe- bei an Fensterrahmen, sondern eignet sich auch für zahlreiche andere mechanische Hebel. Alle Anwendungsfälle, die eine automatisierte Ermittlung von Hebelpositionen erfordern, wobei diese an eine entfernte Auswerteeinrichtung zu übertragen ist, und wobei die Montage auf kleinstem Raum möglicherweise nachträglich gewünscht ist, wobei die Montage auch in verdeckter Form erfolgen soll. The exemplary embodiment described above relates to a window lever on a window frame. A device according to the invention is not only suitable for window lifting on window frames, but is also suitable for numerous other mechanical levers. All applications that require an automated determination of lever positions, which is to be transferred to a remote evaluation device, and where assembly in a small space may be subsequently desired, whereby assembly should also take place in a concealed form.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1 Fensterrahmen-Ausschnitt1 window frame cutout

2 Fensterhebel 2a mechanische Kraftübertragungsvorrichtung2 window levers 2a mechanical power transmission device

3 Blende3 aperture

4 BewegungsSpielraum des Betätigungsgriffes, hier z.B,4 freedom of movement of the operating handle, here e.g.

5 "offen"5 "open"

6 "geschlossen" 4 "angekippt"6 "closed" 4 "tilted"

7 Sensorelektronik7 sensor electronics

8 Solarzelle8 solar cells

9 + 10 Meßfühler, bestehend z.B. aus 9 Magnet und 10 magnetsesitiver Sensor 9 + 10 sensors, e.g. consisting of 9 magnets and 10 magnet-sensitive sensors

Claims

Patentansprüche claims 1. Vorrichtung zur drahtlosen Ermittlung einer Position (4,5,6) einer mechanischen Kraftübertragungsvorrichtung (2a), mit zumindest einer Speichereinrichtung (11) zur Speicherung elektrischer Energie, zumindest einem Sensorelement (10) das die Position detektiert und von zumindest einer Sensorelektronik (7) , zumindest einen Funksender beinhaltend, überwacht wird, d a d u r c h g e k e n n z e i c h n e t , d a ß zumindest eine photovoltaische Energieversorgungseinrichtung (8) , die Speichereinrichtung (11) mit elektrischer Energie versorgt .1. Device for the wireless determination of a position (4, 5, 6) of a mechanical power transmission device (2a), with at least one storage device (11) for storing electrical energy, at least one sensor element (10) that detects the position and from at least one sensor electronics ( 7), including at least one radio transmitter, is monitored, characterized in that at least one photovoltaic energy supply device (8) supplies the storage device (11) with electrical energy. 2. Vorrichtung nach Patentanspruch 1, d a d u r c h g e k e n n z e i c h n e t , d a ß eine Betätigung eines Sensorelementes (10) die Sensorelektronik (7) aktiviert.2. Device according to claim 1, d a d u r c h g e k e n n z e i c h n e t, d a ß an actuation of a sensor element (10) activates the sensor electronics (7). 3. Vorrichtung nach Patentanspruch 1 - 2, d a d u r c h g e k e n n z e i c h n e t , d a ß zumindest eine Timerschaltung (12) mit der Speichereinrichtung (11) verbunden ist und die Sensorelektronik (7) in vorbestimmten oder vorbestimmbaren Zeitabständen aktiviert .3. Device according to claim 1 - 2, d a d u r c h g e k e n n e e c h e n t, that at least one timer circuit (12) is connected to the memory device (11) and the sensor electronics (7) activated at predetermined or predeterminable time intervals. 4. Vorrichtung nach einem der vorhergehenden Patentansprüche, d a d u r c h g e k e n n z e i c h n e t , d a ß die photovoltaische Energieversorgungseinrichtung (8) in eine Blende (3) einer mechanischen Kraftübertragungsvorrichtung (2a) eingebettet ist.4. The device as claimed in one of the preceding claims, that the photovoltaic energy supply device (8) is embedded in an aperture (3) of a mechanical power transmission device (2a). 5. Vorrichtung nach einem der vorhergehenden Patentansprüche, d a d u r c h g e k e n n z e i c h n e t , d a ß die Speichereinrichtung (11) ein elektrischer Kondensator und/oder ein elektrochemischer Akkumulator ist.5. The device as claimed in one of the preceding claims, that the storage device (11) is an electrical capacitor and / or an electrochemical accumulator. 6. Vorrichtung nach einem der vorhergehenden Patentansprüche, d a d u r c h g e k e n n z e i c h n e t , d a ß das Sensorelement (10) ein Magnetfelddetektor, vorzugsweise ein magnetbetätigter Reedkontakt ist.6. Device according to one of the preceding claims, characterized in that the sensor element (10) is a magnetic field detector, preferably a magnetically operated reed contact. 7. Vorrichtung nach einem der vorhergehenden Patentansprüche, d a d u r c h g e k e n n z e i c h n e t , d a ß das Sensorelement an einer Endlage der mechanischen Kraftübertragungsvorrichtung (2a) angeordnet ist.7. Device according to one of the preceding claims, that the sensor element is arranged at an end position of the mechanical force transmission device (2a). 8. Vorrichtung nach einem der vorhergehenden Patentansprüche, d a d u r c h g e k e n n z e i c h n e t , d a ß die mechanische Kraftübertragungsvorrichtung (2a) einen magnetischen Bereich aufweist.8. Device according to one of the preceding claims, d a d u r c h g e k e n n z e i c h n e t, d a ß the mechanical power transmission device (2a) has a magnetic area. 9. Vorrichtung nach einem der vorhergehenden Patentansprüche, d a d u r c h g e k e n n z e i c h n e t , d a ß die mechanische Kraftübertragungsvorrichtung (2a) ein Hebel und/oder eine Welle und/oder ein Rad und/oder eine Stange, zum Beispiel eine Pleuelstange und/oder ein Kolben ist. 9. Device according to one of the preceding claims, that is, the mechanical power transmission device (2a) is a lever and / or a shaft and / or a wheel and / or a rod, for example a connecting rod and / or a piston.
EP04738545A 2003-06-06 2004-05-24 Sensor for the detection of the position of a mechanical force-transmitting device Ceased EP1631792A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10325800A DE10325800A1 (en) 2003-06-06 2003-06-06 Sensor for detecting the position of a mechanical power transmission device
PCT/DE2004/001076 WO2004109236A1 (en) 2003-06-06 2004-05-24 Sensor for the detection of the position of a mechanical force-transmitting device

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EP1631792A1 true EP1631792A1 (en) 2006-03-08

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US (3) US7698093B2 (en)
EP (1) EP1631792A1 (en)
DE (1) DE10325800A1 (en)
WO (1) WO2004109236A1 (en)

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US7698093B2 (en) 2010-04-13
US8793100B2 (en) 2014-07-29
WO2004109236A1 (en) 2004-12-16
US20120004885A1 (en) 2012-01-05
US20100198551A1 (en) 2010-08-05
US8112244B2 (en) 2012-02-07
DE10325800A1 (en) 2005-01-05
US20070075852A1 (en) 2007-04-05

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