EP3301755B1 - Dispositif de transmission radio de données de consommation et/ou de données d'état - Google Patents

Dispositif de transmission radio de données de consommation et/ou de données d'état Download PDF

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Publication number
EP3301755B1
EP3301755B1 EP17001475.7A EP17001475A EP3301755B1 EP 3301755 B1 EP3301755 B1 EP 3301755B1 EP 17001475 A EP17001475 A EP 17001475A EP 3301755 B1 EP3301755 B1 EP 3301755B1
Authority
EP
European Patent Office
Prior art keywords
antenna structure
antenna
communication module
consumption
arrangement
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.)
Active
Application number
EP17001475.7A
Other languages
German (de)
English (en)
Other versions
EP3301755A1 (fr
Inventor
Simon SCHRÖTER
Michael Sonnenberger
Roland Gottschalk
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.)
Diehl Metering Systems GmbH
Original Assignee
Diehl Metering Systems 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 Diehl Metering Systems GmbH filed Critical Diehl Metering Systems GmbH
Publication of EP3301755A1 publication Critical patent/EP3301755A1/fr
Application granted granted Critical
Publication of EP3301755B1 publication Critical patent/EP3301755B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • 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
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith

Definitions

  • the present invention relates to an arrangement for radio transmission of consumption data and / or status data according to the preamble of claim 1 and an antenna structure for use in such an arrangement according to claim 6.
  • Intelligent consumption meters also called smart meters, are consumption meters located in a supply network, e.g. B. for energy, electricity, gas or water, which show the respective connection user the actual consumption and are integrated into a communication network. Intelligent consumption meters have the advantage that manual readings of the meter readings are no longer necessary and the supplier can make shorter-term bills according to the actual consumption. With shorter reading intervals, a more precise coupling of the end customer tariffs to the development of the exchange electricity prices is possible. Supply networks can also be used much better.
  • Intelligent consumption meters are usually assigned to residential units or houses.
  • the measurement data generated there can be read in a variety of ways.
  • Measurement data can e.g. B. can be read out via the power network (Power Line) or via mobile radio technology in the form of data packets or telegrams.
  • the measurement data can be integrated into a local network.
  • the consumption measuring devices are generally assigned communication modules which are installed in the area of the consumption measuring devices.
  • the communication modules usually have a pre-installed transmitter and receiver unit and an integrated antenna for sending and receiving the data packets.
  • the consumption measuring devices and the associated communication module are expediently arranged within a housing in order to protect the consumption measuring device and its communication module from manipulation and destruction.
  • the mostly solid housings influence the radiation properties of the antenna of the communication module. This can greatly reduce the transmission quality.
  • the integrated antenna of a communication module depending on the antenna type and design of the respective communication module, can cause poorer transmission quality.
  • the CA 2 794 596 A1 describes a dielectric housing cover for a smart meter with an integrated antenna.
  • the antenna is integrated in the housing cover to protect the antenna from destruction and manipulation.
  • the antenna contact of the antenna, which is attached to the housing cover, is electrically or electromagnetically coupled to the radio module via a contact on the measuring device.
  • the radiation properties of the antenna described are z. B. significantly affected by nearby metallic objects, whereby the transmission quality of the radio module is deteriorated.
  • the dimension of the antenna integrated in the housing cover of the smart meter can only be changed to a limited extent on account of the reduced space available, as a result of which only certain antennas which are generally less powerful can be used.
  • the EP 2 876 821 A1 discloses a consumption meter that can transmit the recorded consumption data via a communication module.
  • the communication module comprises two antennas which are arranged within the communication module. Furthermore, the two antennas are connected together to a circuit board via two connections.
  • an arrangement according to the preamble of claim 1 which comprises a primary antenna and a secondary antenna, the antennas being electrically isolated from one another via a near field coupling.
  • the secondary antenna serves to spatially emit the radio telegrams emitted by the primary antenna from another location.
  • a polarity reversal device provided for the external arrangement to an antenna for generating circularly polarized waves is from the EP 0 044 502 A1 known and has a plurality of conductors in a meandering shape.
  • the object of the present invention is to provide an arrangement by means of which the transmission quality of the communication module is improved, which is space-saving and inexpensive and can be installed and retrofitted in a simple manner.
  • an arrangement for radio transmission of consumption data and / or status data to improve the radiation properties of an integrated antenna of a communication module is provided, the antenna structure of which is an antenna structure that is galvanically separated from the antenna and that includes mechanical fastening means that are external to the communication module.
  • the electrically conductive external antenna structure which is electrically isolated from the antenna, there is no electrical line between the antenna structure and the antenna.
  • the antenna structure is designed in such a way that it generates an electromagnetic field through the electromagnetic waves emitted by the antenna, which emits the radiation properties of the arrangement for radio transmission, such as. B. modified the radiated power, the range or the like.
  • the antenna structure is configured in a meandering shape from elongated elements arranged parallel to one another.
  • the meandering design allows an optimal amplification of the radiation from the antenna to be achieved.
  • the directional diagram of the antenna can be specifically designed so that a uniform radiation, ie a radiation that is almost the same in all directions, is generated.
  • the electromagnetic field generated by the external antenna structure expediently increases the radiated power of the arrangement for radio transmission and accordingly improves the transmission quality.
  • the arrangement with the antenna structure depending on the orientation of the antenna structure, produces a more uniform radiation in all spatial directions than an arrangement without the antenna structure according to the invention.
  • the antenna structure is preferably resonant to the operating frequency of the communication module. This has the advantage that the antenna structure is excited by the radiated waves of the antenna of the communication module and the radiation power is thereby increased.
  • the antenna structure can have a flat two-dimensional orientation.
  • the antenna structure can be produced in a simple manner as a stamped component and can be flexibly retrofitted in existing systems.
  • the antenna structure is preferably made of metal, in particular of sheet metal. With such a configuration, the antenna structure has optimum radiation properties and can be excited in a simple manner by the radiated waves of the antenna. This makes the antenna structure robust, inexpensive and easy to manufacture. Conveniently, the outer shape of the housing can therefore be varied and it can be easily assembled for any housing format.
  • the elongated elements arranged parallel to each other can generate an electromagnetic field that is as homogeneous as possible, with which a uniform and thus easy to align radiation can be achieved.
  • the elongated elements can be connected to one another via front-side workings and / or webs. By orienting the antenna structure or the elongated elements, e.g. B. in vertical or horizontal alignment, the orientation of the electromagnetic field of the antenna structure can be aligned.
  • the antenna structure can preferably have a depth of less than 1 mm, preferably less than 0.3 mm. As a result, the antenna structure can be installed in a simple manner in the area of the communication module or the housing.
  • the antenna structure can be at least partially encapsulated with plastic. This has the advantage that the antenna structure is extremely stable and can be protected against moisture.
  • the antenna structure can also be integrated into the housing during manufacture, so that the antenna structure forms an integral part of the housing.
  • the antenna structure can also be provided in accessories already provided for the consumption meter or the communication module, such as. B. a wall bracket or the like, integrated or cast. This means that no dedicated accessory is required for the antenna structure.
  • the antenna structure can expediently be designed in such a way that the electromagnetic field generated by the external antenna structure excites metallic components arranged in the vicinity of the antenna structure.
  • the nearby (metal) parts of the meter installation such as. B. the housing or the housing of the consumption meter, metallic pipe installations and / or cables, also contribute positively to the radiation performance or antenna efficiency, whereby the radiation properties of the antenna are modified.
  • the present invention claims an antenna structure for use on a communication module.
  • the antenna structure in this case has a flat two-dimensional orientation, is configured in a meandering manner and comprises elongated elements arranged parallel to one another, preferably two of the elongated elements in each case being connected to one another via a widening.
  • the widenings are preferably rectangular flat areas which are arranged on the end faces of the antenna structure.
  • the antenna structure is made of an oscillatable material, preferably metal, in particular sheet metal.
  • the antenna structure can expediently have mechanical fastening means integrated therein, in particular holding clips ("clip-on").
  • the antenna structure can be installed and retrofitted in a simple manner by means of the fastening means.
  • the fastening means are fastened directly to the antenna structure or to a potting surrounding the antenna structure.
  • the fastening means can be attached to the potting compound after it has hardened or can be arranged during the potting process in order to simplify the assembly process even further.
  • the dimensions of the antenna structure in terms of their height and width preferably correspond at least substantially to the dimensions of the communication module. This has the advantage that the antenna structure works well in the area of the communication module, e.g. B. between the communication module and the housing. This also creates a particularly advantageous electromagnetic field.
  • Reference number 1 in Fig. 1 denotes a meter installation for consumption data acquisition and transmission according to the prior art.
  • the meter installation 1 comprises a housing 2, preferably made of plastic or metal, which is open towards the front and can be closed by means of a door 3.
  • a consumption measuring device 4 is accommodated in the housing 2.
  • the consumption meter 4 it can be according to Fig. 1 act, for example, a gas meter, which is connected to a gas supply network, for. B. in the gas supply network of a household, can be installed.
  • the gas meter can determine the gas consumption of the household and display it on the meter reading 8.
  • the housing 2 and the door 3 are preferably made of metal, plastic or the like in order to protect against manipulation and / or damage.
  • the gas meter or the consumption measuring device 4 is connected to a communication module 5 via a short cable 7.
  • the communication module 5 can the data determined by the consumption meter 4, such as. B. store the current meter reading, average consumption, temperature or the like on a data storage device 12.
  • a transmitting and receiving unit 13 of the communication module 5 can access the data memory 12 and transmit the data via an integrated antenna 6.
  • the antenna 6 is usually linearly polarized and can either vertical polarization, i. H. with an electric field perpendicular to the earth's surface, or a horizontal polarization, d. H. with an electric field running parallel to the earth's surface.
  • the antenna 6 can be used to transmit the data from the transmitting and receiving unit 13 wirelessly within a communication system (not shown).
  • the integrated in the communication module 5 antenna 6 interacts with nearby metal parts, such as. B. the consumption meter 4, the connecting device 9 or the pipe installation, whereby the radiation properties of the antenna can be negatively affected.
  • the directional diagram of the antenna can be aligned in such a way that the range is enormously reduced.
  • the wireless data transmission between the communication module 5 and the higher-level communication system is preferably carried out by radio.
  • the consumption data of the consumption measuring device 4 can initially be collected and temporarily stored via a central data collector (also not shown) be before this either via a fixed connection, such as. B. LAN or Powerline, or a wireless connection, such as. B. radio, are transmitted to a higher-level data center of the communication system.
  • the transmission quality of the integrated antenna 6 is improved by means of an external antenna structure 10 which is not galvanically connected to the communication module 5.
  • a first embodiment of the external antenna structure 10 according to the invention is shown in FIG Fig. 2 shown.
  • Reference number 10 in Fig. 2 denotes the external antenna structure that can be installed in the area of the communication module 5.
  • the design and the dimensions of the antenna structure 10 can be individually adapted to the respective installation situation or a specific radio frequency.
  • the antenna structure 10 is preferably as in FIG Fig. 2 shown, oriented essentially two-dimensionally, ie it essentially extends in height and width. In depth, it is only a few millimeters thick (preferably ⁇ 0.3 mm).
  • the external antenna structure 10 is constructed in a meandering fashion and has parallel, elongated elements 15 and widenings 16 which connect the elements 15 to one another on the end face, as a result of which a continuous antenna structure 10 comprising two ends is formed.
  • the antenna structure 10 can hold elements or mechanical fastening means (in Fig. 2 not shown), such as. B. clips, clips or adhesive tape, which are attached to the antenna structure 10 in a simple manner or as an integral part of the antenna structure 10 during the manufacturing process (z. B. punching).
  • Fig. 3 shows an embodiment of a meter installation 1 with an inventive arrangement for radio transmission.
  • the integrated units of the communication module 5 are shown in FIG Fig. 3 not shown.
  • the external antenna structure 10 is fixed between the communication module 5 and the housing 2.
  • the antenna structure 10 can be attached to the communication module 5 or to the housing 2. It is galvanically isolated from the communication module 5 and from the housing 2. This can e.g. B. by means of an adhesive connection and / or a clamp connection ("clip-on antenna structure").
  • the height and width of the external antenna structure 10 essentially corresponds to the dimensions of the communication module 5 and is arranged flat behind the communication module 5.
  • the antenna structure 10 is dimensioned such that it is resonant at the operating frequency of the communication module 5, i. H. that it can be easily coupled to the internal antenna 6 of the communication module 5.
  • the coupling describes the interaction between antenna structure 10 and antenna 6, due to the excitation of antenna structure 10 by antenna 6.
  • the radiation properties of the internal antenna 6 can expediently be improved in that the radiated power of the antenna 6 is increased by the external antenna structure 10, which is noticeable in an increase in the antenna efficiency.
  • the directional diagram in the far field i.e. H. improved the relative identity of the energy radiation or the electrical or magnetic field strength in the far field in such a way that the intensity of the energy radiation is evenly distributed in all spatial directions.
  • the electrical field of the antenna structure 10 can run essentially perpendicular to the electrical field of the antenna 6.
  • This z. B. compensated for a horizontal or vertical polarization of the antenna 6 by a polarization of the antenna structure 10 oriented perpendicular to the polarization of the antenna 6.
  • the range of the communication module 5 or the antenna 6 of the communication module 5 can be increased by virtue of the fact that, in addition to the radiation direction of the antenna 6, radiation takes place in the other radiation direction in accordance with the polarization of the antenna structure 10.
  • the external antenna structure 10 can also change the near field in the immediate vicinity of the communication module 5.
  • the antenna structure 10 can be designed in such a way that (metal) parts of the meter installation 1 located in the vicinity of the antenna structure 10 are excited in such a way that they also contribute positively to the radiation.
  • the metal housing of the consumption meter 4 the metal connection device 9 or the pipe installation can be used to improve the radiation.
  • the housing of the consumption measuring device 4 can be excited to vibrate, which thus acts as part of the antenna 6.
  • the antenna efficiency and the directional diagram of the antenna 6 are additionally improved by a more uniform radiation in both linear polarization directions.
  • Reference number 10 in Fig. 4 denotes the external antenna structure according to the invention.
  • the external antenna structure 10 is in this case with a potting compound 11 based on plastic, e.g. B. cast resin, potted around the antenna structure 10, such as. B. to protect against aging due to moisture and pollution.
  • the potting compound 11 is selected such that it cures quickly after casting and has good durability properties.
  • the antenna structure 10 has clamps 14 attached to the casting compound 11 as a mechanical fastening means, in order to attach the antenna structure 10 to the communication module 5, for example, by means of clips (“clip-on”).

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Claims (7)

  1. Système de transmission radio de données de consommation et/ou de données d'état, comprenant
    un appareil de mesure de consommation (4),
    un module de communication (5) doté d'une antenne (6) pour la transmission des données de consommation et/ou des données d'état de l'appareil de mesure de consommation (4), et
    au moins une structure d'antenne séparée de l'antenne (6),
    dans lequel la structure d'antenne est configurée de telle sorte qu'elle produit un champ électromagnétique par les ondes émises par l'antenne (6), lequel modifie les propriétés des caractéristiques de rayonnement du système pour la transmission radio,
    et la structure d'antenne est une structure d'antenne (10) galvaniquement séparée de l'antenne (6) et comportant un moyen de fixation mécanique,
    caractérisé en ce que la structure d'antenne (10) est réalisée avec une forme sinueuse à partir d'éléments allongés (15) agencés parallèlement l'un à l'autre et la structure d'antenne est externe par rapport au module de communication (5).
  2. Système selon la revendication 1, caractérisé en ce qu'en fonction de l'orientation de la structure d'antenne (10), le système avec structure d'antenne (10) produit en diagramme de directivité un rayonnement plus homogène que le système sans structure d'antenne (10).
  3. Système selon au moins une des revendications précédentes, caractérisé en ce que la structure d'antenne (10) est résonante à la fréquence de fonctionnement du module de communication (5).
  4. Système selon au moins une des revendications précédentes, caractérisé en ce que la structure d'antenne (10) possède une orientation plate bidimensionnelle et/ou est faite en métal, en particulier en tôle, et/ou possède une profondeur inférieure à 1 mm, de préférence inférieure à 0,3 mm.
  5. Système selon au moins une des revendications précédentes, caractérisé en ce que la structure d'antenne (10) est scellée au moins partiellement avec une masse de scellement (11), en particulier du plastique.
  6. Structure d'antenne (10) pour l'utilisation dans un système selon au moins une des revendications précédentes, caractérisée en ce que respectivement deux des éléments allongés (15) sont reliés par le biais d'un développement frontal (16).
  7. Structure d'antenne (10) selon la revendication 6, caractérisée en ce que les dimensions de la structure d'antenne (10) correspondent par rapport à la hauteur et la largeur aux dimensions du module de communication (5).
EP17001475.7A 2016-09-28 2017-09-01 Dispositif de transmission radio de données de consommation et/ou de données d'état Active EP3301755B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016011652.8A DE102016011652A1 (de) 2016-09-28 2016-09-28 Anordnung zur Funkübertragung von Verbrauchsdaten und/oder Zustandsdaten

Publications (2)

Publication Number Publication Date
EP3301755A1 EP3301755A1 (fr) 2018-04-04
EP3301755B1 true EP3301755B1 (fr) 2019-12-25

Family

ID=59772336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17001475.7A Active EP3301755B1 (fr) 2016-09-28 2017-09-01 Dispositif de transmission radio de données de consommation et/ou de données d'état

Country Status (3)

Country Link
EP (1) EP3301755B1 (fr)
DE (1) DE102016011652A1 (fr)
ES (1) ES2770431T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109524761A (zh) * 2019-01-28 2019-03-26 杭州易和互联软件技术有限公司 一种电表耦合天线

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044502A1 (fr) * 1980-07-17 1982-01-27 Siemens Aktiengesellschaft Dispositif polarisant pour convertir des ondes électromagnétiques polarisées d'une façon linéaire en des ondes électromagnétiques polarisées d'une façon circulaire placé devant une antenne parabolique à réflecteur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007008469A1 (de) * 2007-02-19 2008-08-28 Techem Energy Services Gmbh Mess- oder Meldewertübertragungs- und Antenneneinrichtung
US8228209B2 (en) 2009-04-07 2012-07-24 Rf Savvy Llc Smart meter cover with integral untethered antenna elements for AMI communications
US9118095B2 (en) 2011-09-02 2015-08-25 Rf Savvy Technologies, Llc Capacitive RF coupler for utility smart meter radio frequency communications
WO2014013731A1 (fr) * 2012-07-18 2014-01-23 パナソニック株式会社 Dispositif sans fil

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044502A1 (fr) * 1980-07-17 1982-01-27 Siemens Aktiengesellschaft Dispositif polarisant pour convertir des ondes électromagnétiques polarisées d'une façon linéaire en des ondes électromagnétiques polarisées d'une façon circulaire placé devant une antenne parabolique à réflecteur

Also Published As

Publication number Publication date
DE102016011652A1 (de) 2018-03-29
EP3301755A1 (fr) 2018-04-04
ES2770431T3 (es) 2020-07-01

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