WO2004023421A1 - Recording device for recording measured parameters and/or the status of a device - Google Patents

Recording device for recording measured parameters and/or the status of a device Download PDF

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Publication number
WO2004023421A1
WO2004023421A1 PCT/EP2003/009457 EP0309457W WO2004023421A1 WO 2004023421 A1 WO2004023421 A1 WO 2004023421A1 EP 0309457 W EP0309457 W EP 0309457W WO 2004023421 A1 WO2004023421 A1 WO 2004023421A1
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WO
WIPO (PCT)
Prior art keywords
detection device
electronics
recording
data signal
generation unit
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PCT/EP2003/009457
Other languages
German (de)
French (fr)
Inventor
Christoffer Apneseth
Lars Kalland
Original Assignee
Abb Research Ltd.
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 Abb Research Ltd. filed Critical Abb Research Ltd.
Publication of WO2004023421A1 publication Critical patent/WO2004023421A1/en

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Definitions

  • Acquisition device for the acquisition of measured variables and / or condition detection of a device
  • the invention relates to a detection device for measuring quantity detection and / or condition detection of a device according to the preamble of claim 1.
  • the invention can be used, for example, in water meters, heat meters, temperature detection devices, pressure detection devices or water quality detection devices.
  • the detection device with radio equipment and to automatically transmit the current status of the measured variable to the operating device at predetermined time intervals in the form of a radio signal.
  • this is expensive in terms of energy consumption.
  • special measures must be taken to reliably avoid interference, such as interference, with regard to radio transmission.
  • Another possibility is to operate the radio equipment of the recording device in stand-by mode and to switch this stand-by mode into a transmission mode for radio transmission of the current by means of a radio signal from the operating device Switch over the measured variable.
  • the energy consumption caused by the standby mode is also not negligible and the battery must be replaced at certain intervals.
  • the invention is based on the object of specifying a detection device for the measurement variable detection and / or condition detection of a device of the type mentioned at the outset, which is optimized with regard to the requirement for the replacement of batteries.
  • the advantages that can be achieved with the invention are, in particular, that the proposed detection device does not require a battery at all in its basic design, so that any associated restrictions and disadvantages, such as renewing the battery after a certain period of time, are eliminated. There can be no interference in the radio transmission from neighboring detection devices, since only one detection device is activated at a time (and not several detection devices at the same time).
  • the invention is explained below with reference to the embodiment shown in the drawing.
  • the single FIG. Shows a detection device, in particular a measuring device (alternatively, the detection device can also be designed to detect a state of a device, for example the switching state), which is in communication with a portable operating device.
  • the detection device 1 has a detection device 2, in particular a sensor head, which feeds detection signals, in particular sensor signals, to electronics 3, in particular sensor electronics.
  • the electronics 3 is connected to a radio transmitter 4 with an antenna 5 connected downstream.
  • An energy generation unit 6 (including energy storage) with a manually, in particular manually operable, actuation button 7 serves to supply energy to the detection device 2, electronics 3 and radio transmitter 4.
  • the actuation button 7 is accessible outside the housing of the detection device 1 and is fastened, for example, to the housing wall.
  • the energy generation by means of the energy generation unit 6 is based, for example, on the piezoelectric effect or a permanent magnet can be moved relative to a moving coil by means of the key.
  • the detection device 1 is additionally equipped with an energy supply unit 8, in particular a battery, which is connected to the detection device 2 and the electronics 3.
  • an energy supply unit 8 in particular a battery
  • a data memory 9 is expediently connected to the electronics 3.
  • the additional components 8, 9 are shown in dashed lines.
  • the portable operating device 10 for example a personal digital assistant (PDA), a laptop, another portable computer or a mobile telephone device - has operating device electronics 11, which have a display unit + operating unit 12, a data memory 13 and a radio receiver 14 is connected to an upstream antenna 15.
  • PDA personal digital assistant
  • the self-sufficient energy supply of the operating device 10 is not shown.
  • the detection device 1 is, for example, a water meter or a heat meter.
  • a person goes to the water meter with the operating device 10 and presses the actuation button 7 of the recording device 1 by hand.
  • the electrical energy produced by this manual actuation by means of the energy generation unit 6 is sent to the detection device 2, the electronics 3 and the radio transmitter 4 fed. This enables the electronics 3 to read out the current status (measured variable, counter status) of the detection device 2, form a data signal therefrom and emit it via the radio transmitter 4 and the antenna 5.
  • the control unit 10 receives this data signal via the antenna 15 and the radio receiver 14, evaluates the data signal by means of the control unit electronics 11, displays the current measured variable (counter reading) on the display unit + control unit 12 and stores the current measured variable in the data memory 13. The person then goes to the next detection device and the procedure described is repeated.
  • the detection device 1 is equipped with the additional energy supply unit (battery) 8, which enables the electronics 3 to to tap the current measured variable of the detection device 2 offline in a defined manner, for example at defined time intervals, and to store it in the data memory 9.
  • the data signal documenting the development of the measured variable over a certain period of time and its transmission (online) to the operating device 10 is carried out by radio.
  • the consumption of the energy supply unit 8 is optimized (in particular, the energy generation unit 6 still serves solely for the production of the electrical energy required for wireless data signal transmission, so that the necessary cycles for renewing the energy supply unit 8 are considerably extended.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

A recording device for recording measured parameters and/or the status of a device is disclosed, comprising a recording device (2), for the measured parameter or the status, an electronic circuit (3), for processing the recorded data signal and a radio transmitter (5) with connected aerial (6), for the wireless transmission of the recorded data signal. The recording device (1) is provided with an energy generation unit (6) with a manually-operated operating button (7). The energy generation unit (6) is electrically connected to the electronic circuit (3) and the radio transmitter (4), whereby on operation of the operating button (7) at least that energy required for the recording and wireless transmission of the data signal may be generated.

Description

Erfassungsgerät zur Meßgrößenerfassung und/oder Zustandserfassung eines Gerätes Acquisition device for the acquisition of measured variables and / or condition detection of a device
Beschreibungdescription
Die Erfindung bezieht sich auf ein Erfassungsgerät zur Meßgrößenerfassung und/oder Zustandserfassung eines Gerätes gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung kann beispielsweise bei Wasserzählern, Wärmezählern, Temperatur-Erfassungsgeräten, Druck-Erfassungsgeräten oder Wasserqualitäts-Erfassungsgeräten verwendet werden.The invention relates to a detection device for measuring quantity detection and / or condition detection of a device according to the preamble of claim 1. The invention can be used, for example, in water meters, heat meters, temperature detection devices, pressure detection devices or water quality detection devices.
Der Einsatz von elektronischen Wasserzählern und Wärmezählern (beispielsweise zur Heizkostenverteilung) ist allgemein bekannt. Derartige Erfassungsgeräte sind mit einer Batterie ausgerüstet. Um den aktuellen Stand der durch das Erfassungsgerät ermittelten Meßgröße auszulesen, kann das Erfassungsgerät über elektrische Leitungen kurzzeitig mit einem transportablem Bediengerät verbunden werden. Dies ist relativ umständlich, zeitaufwendig und damit kostenaufwendig.The use of electronic water meters and heat meters (for example for the distribution of heating costs) is generally known. Such detection devices are equipped with a battery. In order to read out the current status of the measured variable determined by the detection device, the detection device can be briefly connected to a portable operating device via electrical lines. This is relatively cumbersome, time-consuming and therefore expensive.
Alternativ ist es auch möglich, das Erfassungsgerät mit einer Funkausrüstung zu versehen und den aktuellen Stand der Meßgröße automatisch in vorgegebenen Zeitabständen in Form eines Funksignals an das Bediengerät abzustrahlen. Dies ist hinsichtlich des Energieverbrauchs jedoch aufwendig. Bei einer Vielzahl von Erfassungsgeräten, welche gegebenenfalls gleichzeitig Funksignale aussenden, sind besondere Maßnahmen zu treffen, um Störungen - wie Interferenzen - hinsichtlich der Funkübertragung zuverlässig zu vermeiden.Alternatively, it is also possible to provide the detection device with radio equipment and to automatically transmit the current status of the measured variable to the operating device at predetermined time intervals in the form of a radio signal. However, this is expensive in terms of energy consumption. In the case of a large number of detection devices, which may emit radio signals at the same time, special measures must be taken to reliably avoid interference, such as interference, with regard to radio transmission.
Eine weitere Möglichkeit besteht darin, die Funkausrüstung des Erfassungsgerätes im Stand-by-Modus zu betreiben und diesen Stand-by-Modus mittels eines Funksignales des Bediengerätes in einen Übertragungsmodus zur Funkübertragung der aktuellen Meßgröße umzuschalten. Letztlich ist aber auch der durch den Stand-by-Modus verursachte Energieverbrauch nicht vernachlässigbar und die Batterie ist in gewissen Abständen zu erneuern.Another possibility is to operate the radio equipment of the recording device in stand-by mode and to switch this stand-by mode into a transmission mode for radio transmission of the current by means of a radio signal from the operating device Switch over the measured variable. Ultimately, however, the energy consumption caused by the standby mode is also not negligible and the battery must be replaced at certain intervals.
Der Erfindung liegt die Aufgabe zugrunde, ein Erfassungsgerät zur Meßgrößenerfassung und/oder Zustandserfassung eines Gerätes der eingangs genannten Art anzugeben, das hinsichtlich des Erfordernisses nach Erneuerung von Batterien optimiert ist.The invention is based on the object of specifying a detection device for the measurement variable detection and / or condition detection of a device of the type mentioned at the outset, which is optimized with regard to the requirement for the replacement of batteries.
Diese Aufgabe wird in Verbindung mit den Merkmalen des Oberbegriffes erfindungsgemäß durch die im Kennzeichen des Anspruchs 1 angegebenen Merkmale gelöst.This object is achieved in connection with the features of the preamble according to the invention by the features specified in the characterizing part of claim 1.
Die mit der Erfindung erzielbaren Vorteile bestehen insbesondere darin, daß das vorgeschlagene Erfassungsgerät in seiner Grundausführung überhaupt keine Batterie erfordert, so daß jedwede damit verbundenen Beschränkungen und Nachteile, wie Erneuerung der Batterie nach einem gewissen Zeitraum, entfallen. Es können keinerlei Störungen bei der Funkübertragung durch benachbarte Erfassungsgeräte auftreten, da stets nur ein einziges Erfassungsgerät aktiviert wird (und nicht mehrere Erfassungsgeräte gleichzeitig).The advantages that can be achieved with the invention are, in particular, that the proposed detection device does not require a battery at all in its basic design, so that any associated restrictions and disadvantages, such as renewing the battery after a certain period of time, are eliminated. There can be no interference in the radio transmission from neighboring detection devices, since only one detection device is activated at a time (and not several detection devices at the same time).
Weitere Vorteile sind aus der nachstehenden Beschreibung ersichtlich.Further advantages are evident from the description below.
Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.Advantageous embodiments of the invention are characterized in the subclaims.
Die Erfindung wird nachstehend anhand des in der Zeichnung dargestellten Ausführungsbeispieles erläutert. In der einzigen Fig. ist ein insbesondere als Meßgerät ausgebildetes Erfassungsgerät dargestellt (alternativ kann das Erfassungsgerät auch zur Erfassung eines Zustandes eines Gerätes, beispielsweise Schaltzustandes, ausgebildet sein), welches mit einem transportablen Bediengerät in Kommunikationsverbindung steht. Das Erfassungsgerät 1 weist eine Erfassungseinrichtung 2 auf, insbesondere einen Sensorkopf, welche Erfassungssignale, insbesondere Sensorsignale, an eine Elektronik 3, insbesondere Sensorelektronik, zuleitet. Die Elektronik 3 ist mit einem Funksender 4 mit nachgeschalteter Antenne 5 verbunden. Eine Energieerzeugungseinheit 6 (inklusive Eneergiespeicher) mit manuell, insbesondere per Hand betätigbarer Betätigungstaste 7 dient zur Energieversorgung von Erfassungseinrichtung 2, Elektronik 3 und Funksender 4. Die Betätigungstaste 7 ist außerhalb des Gehäuses des Erfassungsgerätes 1 zugänglich und beispielsweise an der Gehäusewandung befestigt. Die Energieerzeugung mittels Energieerzeugungseinheit 6 beruht beispielsweise auf dem piezoelektrischen Effekt oder es ist mittels der Taste ein Permanentmagnet relativ zu einer Tauchspule bewegbar.The invention is explained below with reference to the embodiment shown in the drawing. The single FIG. Shows a detection device, in particular a measuring device (alternatively, the detection device can also be designed to detect a state of a device, for example the switching state), which is in communication with a portable operating device. The detection device 1 has a detection device 2, in particular a sensor head, which feeds detection signals, in particular sensor signals, to electronics 3, in particular sensor electronics. The electronics 3 is connected to a radio transmitter 4 with an antenna 5 connected downstream. An energy generation unit 6 (including energy storage) with a manually, in particular manually operable, actuation button 7 serves to supply energy to the detection device 2, electronics 3 and radio transmitter 4. The actuation button 7 is accessible outside the housing of the detection device 1 and is fastened, for example, to the housing wall. The energy generation by means of the energy generation unit 6 is based, for example, on the piezoelectric effect or a permanent magnet can be moved relative to a moving coil by means of the key.
Gemäß einem weiteren Ausführungsbeispiel ist das Erfassungsgerät 1 zusätzlich mit einer Energieversorgungseinheit 8, insbesondere einer Batterie, ausgerüstet, welche an die Erfassungseinrichtung 2 und die Elektronik 3 angeschlossen ist. Bei diesem weiteren Ausführungsbeispiel ist zweckmäßig ein Datenspeicher 9 an die Elektronik 3 angeschlossen. Die zusätzlichen Baukomponente 8, 9 sind gestrichelt dargestellt.According to a further exemplary embodiment, the detection device 1 is additionally equipped with an energy supply unit 8, in particular a battery, which is connected to the detection device 2 and the electronics 3. In this further exemplary embodiment, a data memory 9 is expediently connected to the electronics 3. The additional components 8, 9 are shown in dashed lines.
Das transportable Bediengerät 10 - beispielsweise ein Personal Digital Assistant (PDA), ein Laptop, ein anderer tragbarer Computer oder ein mobiles Fernsprechgerät - weist eine Bediengerät-Elektronik 11 auf, welche mit einer Anzeigeeinheit + Bedieneinheit 12, mit einem Datenspeicher 13 sowie mit einem Funkempfänger 14 mit vorgeschalteter Antenne 15 verbunden ist. Die autarke Energieversorgung des Bediengerätes 10 ist nicht gezeigt.The portable operating device 10 - for example a personal digital assistant (PDA), a laptop, another portable computer or a mobile telephone device - has operating device electronics 11, which have a display unit + operating unit 12, a data memory 13 and a radio receiver 14 is connected to an upstream antenna 15. The self-sufficient energy supply of the operating device 10 is not shown.
Beim Erfassungsgerät 1 handelt sich beispielsweise um einen Wasserzähler oder einen Wärmezähler. Um die aktuelle Meßgröße (Zählerstand) des Wasserzählers auszulesen, geht eine Person mit dem Bediengerät 10 zum Wasserzähler und drückt mit der Hand auf die Betätigungstaste 7 des Erfassungsgerätes 1. Die durch diese manuelle Betätigung mittels der Energieerzeugzungseinheit 6 produzierte elektrische Energie wird der Erfassungseinrichtung 2, der Elektronik 3 und dem Funksender 4 zugeleitet. Die Elektronik 3 wird hierdurch in die Lage versetzt, den aktuellen Stand (Meßgröße, Zählerstand) der Erfassungseinrichtung 2 auszulesen, hieraus ein Datensignal zu bilden und über den Funksender 4 und die Antenne 5 abzustrahlen.The detection device 1 is, for example, a water meter or a heat meter. In order to read out the current measured variable (meter reading) of the water meter, a person goes to the water meter with the operating device 10 and presses the actuation button 7 of the recording device 1 by hand. The electrical energy produced by this manual actuation by means of the energy generation unit 6 is sent to the detection device 2, the electronics 3 and the radio transmitter 4 fed. This enables the electronics 3 to read out the current status (measured variable, counter status) of the detection device 2, form a data signal therefrom and emit it via the radio transmitter 4 and the antenna 5.
Das Bediengerät 10 empfängt dieses Datensignal über die Antenne 15 und den Funkempfänger 14, wertet das Datensignal mittels der Bediengeräte-Elektronik 11 aus, zeigt die aktuelle Meßgröße (Zählerstand) an der Anzeigeeinheit + Bedieneinheit 12 an und speichert die aktuelle Meßgröße im Datenspreicher 13 ab. Die Person geht anschließend zum nächsten Erfassungsgerät und die erläuterte Prozedur wiederholt sich.The control unit 10 receives this data signal via the antenna 15 and the radio receiver 14, evaluates the data signal by means of the control unit electronics 11, displays the current measured variable (counter reading) on the display unit + control unit 12 and stores the current measured variable in the data memory 13. The person then goes to the next detection device and the procedure described is repeated.
Falls diese Grundausführung des Erfassungsgerätes 1 nicht ausreicht, da die Entwicklung der Meßgröße über einen gewissen Zeitraum (offline) zu dokumentieren und auszulesen ist, ist das Erfassungsgerät 1 mit der zusätzlichen Energieversorgungseinheit (Batterie) 8 ausgerüstet, was die Elektronik 3 in die Lage versetzt, die aktuelle Meßgröße der Erfassungseinrichtung 2 in definierter Art und Weise, beispielsweise in definierten Zeitabständen, offline abzugreifen und im Datenspeicher 9 abzuspeichern. Nach Drücken der Betätigungstaste 7 erfolgt dann die Bildung , des die Entwicklung der Meßgröße über einen gewissen Zeitraum dokumentierenden Datensignals und dessen Übertragung (online) per Funk an das Bediengerät 10.If this basic version of the detection device 1 is not sufficient, since the development of the measured variable has to be documented and read out over a certain period of time (offline), the detection device 1 is equipped with the additional energy supply unit (battery) 8, which enables the electronics 3 to to tap the current measured variable of the detection device 2 offline in a defined manner, for example at defined time intervals, and to store it in the data memory 9. After pressing the actuation button 7, the data signal documenting the development of the measured variable over a certain period of time and its transmission (online) to the operating device 10 is carried out by radio.
Eine derartige Meßgrößen-Entwicklung über einen gewissen Zeitraum ist beispielsweise bei Temperatur-Erfassungsgeräten, Druck-Erfassungsgeräten oder Wasser- qualitäts-Erfassungsgeräten interessant. Der Verbrauch der Energieversorgungseinheit 8 ist optimiert (insbesondere dient die Energieerzeugungseinheit 6 nach wie vor allein zur Produktion der zur kabellosen Datensignalübertragung erforderlichen elektrischen Energie, so daß die erforderlichen Zyklen der Erneuerung der Energieversorgungseinheit 8 beträchtlich verlängert werden. Such a development of measured variables over a certain period of time is interesting, for example, in the case of temperature detection devices, pressure detection devices or water quality detection devices. The consumption of the energy supply unit 8 is optimized (in particular, the energy generation unit 6 still serves solely for the production of the electrical energy required for wireless data signal transmission, so that the necessary cycles for renewing the energy supply unit 8 are considerably extended.

Claims

Patentansprüche claims
1. Erfassungsgerät zur Meßgrößenerfassung und/oder Zustandserfassung eines Gerätes, mit einer Erfassungseinrichtung (2) für die Meßgröße oder den Zustand, mit einer Elektronik (3) zur Verarbeitung des erfaßten Datensignals und mit einem Funksender (4) mit nachgeschalteter Antenne (5) zur drahtlosen Übertragung des erfaßten Datensignals, dadurch gekennzeichnet, daß das Erfassungsgerät (1) mit einer Energieerzeugungseinheit (6) mit manuell betätigbarer Betätigungstaste (7) ausgerüstet ist, welche Energieerzeugungseinheit (6) elektrisch mit der Elektronik (3) und dem Funksender (4) verbunden ist, wobei durch Betätigung der Betätigungstaste (7) zumindest die zur Erfassung und drahtlosen Übertragung des Datensignals erforderliche elektrische Energie erzeugbar ist.1. Acquisition device for measuring quantity measurement and / or condition detection of a device, with a detection device (2) for the measurement variable or the state, with electronics (3) for processing the recorded data signal and with a radio transmitter (4) with a downstream antenna (5) for Wireless transmission of the recorded data signal, characterized in that the detection device (1) is equipped with an energy generation unit (6) with a manually actuable actuation button (7), which energy generation unit (6) is electrically connected to the electronics (3) and the radio transmitter (4) is at least the electrical energy required for recording and wireless transmission of the data signal can be generated by actuating the actuation button (7).
2. Erfassungsgerät nach Anspruch 1 , gekennzeichnet durch eine Energieerzeugungseinheit (6), welche auf dem piezoelektrischen Effekt beruht.2. Detection device according to claim 1, characterized by an energy generation unit (6), which is based on the piezoelectric effect.
3. Erfassungsgerät nach Anspruch 1 , gekennzeichnet durch eine Energieerzeugungseinheit (6), bei welcher ein Permanentmagnet relativ zu einer Tauchspule bewegbar ist.3. Detection device according to claim 1, characterized by an energy generating unit (6), in which a permanent magnet is movable relative to a moving coil.
4. Erfassungsgerät nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß eine zusätzliche Energieversorgungseinheit (8), insbesondere eine Batterie, die Elektronik (3) und die Erfassungseinrichtung (2) versorgt, wobei an die Elektronik ein Datenspeicher (9) zur Abspeicherung der Entwicklung der Meßgröße über einen gewissen Zeitraum angeschlossen ist. 4. Detection device according to one of the preceding claims, characterized in that an additional energy supply unit (8), in particular a battery, supplies the electronics (3) and the detection device (2), with a data memory (9) for storing the development to the electronics the measured variable is connected over a certain period of time.
PCT/EP2003/009457 2002-09-06 2003-08-27 Recording device for recording measured parameters and/or the status of a device WO2004023421A1 (en)

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DE2002141241 DE10241241B4 (en) 2002-09-06 2002-09-06 Process for the measurement of a measurement device
DE10241241.3 2002-09-06

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