EP0836732A1 - Systeme de mesure de consommation pour releve a distance - Google Patents

Systeme de mesure de consommation pour releve a distance

Info

Publication number
EP0836732A1
EP0836732A1 EP96931813A EP96931813A EP0836732A1 EP 0836732 A1 EP0836732 A1 EP 0836732A1 EP 96931813 A EP96931813 A EP 96931813A EP 96931813 A EP96931813 A EP 96931813A EP 0836732 A1 EP0836732 A1 EP 0836732A1
Authority
EP
European Patent Office
Prior art keywords
consumption
antenna
recording system
planar antenna
detection device
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.)
Granted
Application number
EP96931813A
Other languages
German (de)
English (en)
Other versions
EP0836732B1 (fr
Inventor
Rainer Perthold
Heinz GERHÄUSSER
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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
Priority claimed from DE19624273A external-priority patent/DE19624273A1/de
Application filed by Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of EP0836732A1 publication Critical patent/EP0836732A1/fr
Application granted granted Critical
Publication of EP0836732B1 publication Critical patent/EP0836732B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2233—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in consumption-meter devices, e.g. electricity, gas or water meters
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
    • H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element

Definitions

  • the present invention relates to consumption recording systems with remote reading and in particular to consumption recording systems in which planar antennas are used to emit a signal which corresponds to a measured consumption.
  • a vertical antenna for example, only works satisfactorily if it is attached to the outside of the meter housing, the housing serving as an HF counterweight. So the antenna is from accessible from outside and can be easily damaged.
  • the wall mounting of such devices is fundamentally a problem, since a vertical antenna is therefore always close to the HF-disturbing house wall, which can be made of reinforced concrete, for example, or also close to a metal radiator or gas meter.
  • the installation location also has the consequence that an omnidirectional characteristic of the transmitting / receiving antenna is not absolutely expedient, since electrical energy is uselessly radiated into the wall, which is fundamentally lossy.
  • the linear polarization of the electromagnetic field emitted by the antennas mentioned also has a disruptive effect, since reflections of the electromagnetic radiation lead to rotations in the plane of polarization of the radiation, which lead to a reduced reception power at the input of the receiver.
  • the object of the present invention is to create a reliable wireless consumption recording system.
  • the invention is based on the knowledge that by using a planar antenna in a consumption recording system it is possible to eliminate the disadvantages existing in the prior art.
  • the present invention enables the antenna to be placed in a consumption recording system in such a way that it is safe from destruction and manipulation.
  • Another advantage of the invention is that the metal housing of a consumption detection device does not have a negative influence on the radiation characteristics of the planar antenna, but rather has a positive influence in the sense of better HF radiation, lung characteristic is directed away from the wall. Due to the fact that the planar antenna used in the invention radiates elliptically polarized, reflections along the radio path lead to much smaller power losses at the receiver compared to linear radiators.
  • the antenna used reacts relatively insensitively to an exact installation position and to a bad connection of the RF dimensions of the transmitter with the metallic housing of the meter, which is why the position of the antennas does not have to be taken into particular account when designing a consumption detection device, or a subsequent one Installation of the antenna is easily possible.
  • FIG. 1 shows a consumption recording system according to an exemplary embodiment of the present invention using the example of a gas meter
  • FIG. 2 shows an “inverted F antenna” that can be used as a planar antenna in the consumption recording system according to the present invention.
  • FIG 3 shows a radio module with a planar antenna on a multilayer substrate for a consumption recording system according to the present invention.
  • FIG. 1 shows a consumption recording system 10 which is attached to a wall 12.
  • An embodiment of the present invention is described using a gas meter.
  • the consumption recording system according to the present invention can also be a water meter, a heat meter and the like.
  • a metallic gas meter housing 14 is formed on the side opposite the wall 12 by a housing cover 16 Plastic finished.
  • the housing cover 16 is usually provided with a seal in order to avoid unauthorized manipulation of the gas meter.
  • a planar antenna 18 is attached to the housing cover 16 by means of adhesive or other suitable holding devices.
  • the planar antenna 18 is fed by a radio module 22 via a coaxial line 20.
  • the radio module is connected to a gas meter device (not shown) in order to suitably process the detected gas meter reading and convert it into data signals that can be transmitted via the planar antenna 18.
  • the gas meter device is located in the gas meter housing 14. It is obvious to a person skilled in the art that any other consumption detection device can be connected to the radio module 22 so that it can supply the planar antenna 18 with suitable transmission data via the coaxial cable.
  • planar antenna 18 used in a preferred exemplary embodiment of the present invention, which is implemented as an “inverted F antenna”.
  • Such antennas are described in K. Hirasawa and M. Haiishi "Analysis, Design, and Measurement of small and low Profile Antennas", Artech House, Boston, London, 1992.
  • planar antennas can be understood as stripline resonators with radiation losses, the radiation losses of the resonator representing the radiated useful signal.
  • the “inverted F antenna” 18 is composed of the following components.
  • the dielectric antenna substrate 28 is located on a metallized base surface 26, e.g. FR4.
  • a metallized antenna surface 30 is formed on the antenna substrate, for example by known etching methods.
  • an entry point 32 can be selected in order to adapt the antenna 18 to the output impedance of a transmitter in the radio module 22.
  • the antenna 18 is tuned the length of a short-circuit strip 34 is tuned to resonance at the desired transmission frequency, such as 433 MHz.
  • FIG. 3 Another exemplary embodiment of the consumption detection system according to the present invention is shown in FIG. 3.
  • a metallized surface 38 which acts as an antenna surface, is attached to a multilayer substrate 40.
  • a first ground plane 42 forms the ground plane necessary for the planar antenna.
  • an intermediate substrate 46 which can be made of the same material as a circuit substrate 48, on which in turn a radio module 50 is present.
  • the radio module 50 can have SMD components for a high-frequency section and / or low-frequency circuit arrangements which are necessary for the signal processing of the consumption detection device.
  • an agent of the supply company activates, for example by sending an activation pulse, all the consumption recording devices present in a residential complex from a standby mode, whereupon they begin with a different code for each individual consumption recording device stood out.
  • a suitable receiver assigns the received signals to the respective rental party and prepares the corresponding consumption bills. It is therefore no longer necessary to enter every apartment or every single room of every apartment.
  • the planar antenna 18, which is used in the consumption recording system 10 according to the present invention, is a planar structure, which is why only a small installation height is required, but there must be sufficient area for this.
  • the same can thus be accommodated in an arbitrarily attached housing, such as in a gas meter or radiator mounted on a wall.
  • the main radiation direction points frontally from the gas meter, ie from the lossy one Wall, away, which ultimately leads to an increased range of the entire system.
  • the antenna is also not very sensitive to changes in the environment behind the antenna, ie to changes in the mechanical position in the gas meter.
  • the antenna can also be easily produced by a conventional etching process.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Volume Flow (AREA)
  • Selective Calling Equipment (AREA)

Abstract

L'invention concerne un système de mesure de consommation (10) comportant un dispositif de mesure de consommation (14) auquel est raccordé un module radio (22), ainsi qu'une antenne plane (18) raccordée au module radio (22) afin d'émettre les données mesurées par le dispositif de mesure de consommation (14).
EP96931813A 1995-09-20 1996-09-17 Systeme de mesure de consommation pour releve a distance Expired - Lifetime EP0836732B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19534969 1995-09-20
DE19534969 1995-09-20
DE19624273 1996-06-18
DE19624273A DE19624273A1 (de) 1995-09-20 1996-06-18 Verbrauchserfassungssystem zur Fernablesung
PCT/EP1996/004068 WO1997011445A1 (fr) 1995-09-20 1996-09-17 Systeme de mesure de consommation pour releve a distance

Publications (2)

Publication Number Publication Date
EP0836732A1 true EP0836732A1 (fr) 1998-04-22
EP0836732B1 EP0836732B1 (fr) 1999-01-13

Family

ID=26018776

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96931813A Expired - Lifetime EP0836732B1 (fr) 1995-09-20 1996-09-17 Systeme de mesure de consommation pour releve a distance

Country Status (5)

Country Link
US (1) US6115677A (fr)
EP (1) EP0836732B1 (fr)
CA (1) CA2229638C (fr)
ES (1) ES2126407T3 (fr)
WO (1) WO1997011445A1 (fr)

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AU2002243285A1 (en) * 2000-11-06 2002-06-24 Bcn Data Systems Auxiliary metering apparatus and methods
US6819292B2 (en) 2001-03-09 2004-11-16 Arad Measuring Technologies Ltd Meter register
US7385524B1 (en) 2001-09-21 2008-06-10 James Robert Orlosky Automated meter reading, billing and payment processing system
US7267014B2 (en) * 2004-09-23 2007-09-11 Arad Measuring Technologies Ltd. Meter register having an encoder
DE102005062732A1 (de) * 2005-12-22 2007-07-05 Deutsche Telekom Ag Schachtabdeckung mit Antenne für Funknetzwerke
US8188884B2 (en) * 2006-11-03 2012-05-29 Smartsynch, Inc. Forward throw antenna utility meter
US9093744B2 (en) * 2006-11-03 2015-07-28 Itron, Inc. Forward throw antenna utility meter with antenna mounting bracket
JP2012507090A (ja) 2008-10-27 2012-03-22 ミューラー インターナショナル エルエルシー インフラ監視システムおよび方法
DE102009000692A1 (de) 2009-02-06 2010-08-12 Wika Alexander Wiegand Gmbh & Co. Kg Messgerät
WO2010135587A1 (fr) 2009-05-22 2010-11-25 Mueller International, Inc. Dispositifs, systèmes et procédés de surveillance d'infrastructures
MX359282B (es) 2010-06-16 2018-09-21 Mueller Int Llc Dispositivos, sistemas y metodos de monitoreo de infraestructura.
US8833390B2 (en) 2011-05-31 2014-09-16 Mueller International, Llc Valve meter assembly and method
US8855569B2 (en) 2011-10-27 2014-10-07 Mueller International, Llc Systems and methods for dynamic squelching in radio frequency devices
EP2833476B1 (fr) * 2012-03-29 2019-09-11 Panasonic Corporation Appareil de mesure de volume d'écoulement
DE102013012041B4 (de) * 2013-07-18 2015-03-26 Diehl Metering Systems Gmbh Datensender eines Messdaten-Erfassungsgerätes
DE102013113258A1 (de) * 2013-11-29 2015-06-03 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Sensor und Messanordnung
US9952062B2 (en) 2014-04-29 2018-04-24 Kamstrup A/S Consumption meter with antenna
US9494249B2 (en) 2014-05-09 2016-11-15 Mueller International, Llc Mechanical stop for actuator and orifice
US9565620B2 (en) 2014-09-02 2017-02-07 Mueller International, Llc Dynamic routing in a mesh network
JP2018092457A (ja) * 2016-12-06 2018-06-14 大日本印刷株式会社 密閉構造体
US10826181B2 (en) 2017-07-11 2020-11-03 Sensus Spectrum, Llc Hybrid patch antennas, antenna element boards and related devices
US10727564B2 (en) * 2018-04-12 2020-07-28 Landis+Gyr Innovations, Inc. Changeable external meter antenna for meter assemblies
DE102020122036B4 (de) * 2020-08-24 2022-06-23 GEO Gesellschaft für Energieversorgung Ostalb mbH Messgerätanordnung mit einem Mengenaufnehmer, Verfahren zur mechanischen Sicherung einer Netzwerkkommunikation und/oder eines Netzwerkzugangspunkt einer Messgerätanordnung sowie Verwendung einer Zugangssicherungsvorrichtung für eine Messgerätanordnung

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Also Published As

Publication number Publication date
WO1997011445A1 (fr) 1997-03-27
US6115677A (en) 2000-09-05
CA2229638C (fr) 2000-10-10
ES2126407T3 (es) 1999-03-16
EP0836732B1 (fr) 1999-01-13
CA2229638A1 (fr) 1997-03-27

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