EP0653087B1 - Verfahren zum übertragen von messdaten - Google Patents

Verfahren zum übertragen von messdaten Download PDF

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Publication number
EP0653087B1
EP0653087B1 EP93915970A EP93915970A EP0653087B1 EP 0653087 B1 EP0653087 B1 EP 0653087B1 EP 93915970 A EP93915970 A EP 93915970A EP 93915970 A EP93915970 A EP 93915970A EP 0653087 B1 EP0653087 B1 EP 0653087B1
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EP
European Patent Office
Prior art keywords
data
data set
processing unit
metering units
measured data
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP93915970A
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German (de)
English (en)
French (fr)
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EP0653087A1 (de
Inventor
Horst Prof. Dr. Ziegler
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G08C15/06—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path successively, i.e. using time division
    • 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

  • US-A-5 056 107 which is taken into account in the formulation of the preamble of claim 1, describes a method for transmitting measurement data from a large number of measurement units to an evaluation unit, in which the measurement units are assigned by them at pseudo-random times transmit compiled data records to the evaluation unit. This can lead to overlaps between the data sets sent simultaneously by different measuring units. In order to eliminate this problem, it is proposed in US Pat. No. 5,056,107 to assign at least two receiving stations to the central evaluation unit, which receive the data sets sent by the various measuring units via the radio data transmission link. If data records overlap, the data record received with a greater field strength is adopted, while the data record arriving with a smaller field strength is discarded.
  • DE-A-31 19 119 also discloses a measurement data transmission method in which a plurality of measurement units sends out data records at stochastically fixed times. Overlaps of data records are recognized either by the fact that received impulses are longer than in the case of non-overlapping data records, or by the fact that the data records contain a check word, by means of which the correctness of the transmitted data can be recognized, or by the fact that each data record is repeated several times transfers and only accepts a data record if it has been received unchanged at least twice.
  • the time periods required for transmission for a measuring unit can be in the range of a few 10 ms.
  • all measuring units of interest can then be sent on a common operating frequency, narrow individual transmission windows being allocated to the individual measuring units.
  • a single evaluation unit can then be provided for all measuring units, the receiving part of which is matched to the common working frequency. Since one can realize a very large number of time slices per day (a few million) in the abovementioned short individual transmission periods, the probability is that two measuring units (from a total of 100 to 1000 units as are typically required for consumption reading in residential complexes) send at the same time, very low.
  • the small number of overlaps that occur in data sets sent simultaneously by different measuring units are recognized by the evaluation unit and the corresponding signal sequences are rejected.
  • An inventive transmission method, specified in claim 1, can thus be implemented with little circuitry Perform effort and safely.
  • an RF transmission power of 20 mW is sufficient, which corresponds to a power supply for the operating circuit of about 200 mW.
  • the working time of the radio transmission is thus comparable to the calibration periods of the measuring units, so that it is sufficient to change them at intervals of typically about 10 years in total.
  • measurement data are only sent out by a measuring point if they have changed to a significant degree compared to the measurement data last sent. For example, for heat consumption measuring units in the summer, when there is no heating, the transmission of measurement data is completely dispensed with for days and weeks. In this way, an extended service life of the long-term battery of the measuring unit is achieved.
  • this test method which is known per se, is used to determine overlaps of data records in a simple manner, because overlapping in time between data records sent independently by different measuring units results in an overall signal sequence with a completely different bit pattern, which essentially corresponds to an OR operation of the two individual patterns.
  • the check number recognized by the evaluation unit at the end of the overall sequence and which belongs to the later bit pattern does not correspond to the overall data previously received. If there is only a small time shift, at the end of the overall sequence either no check number recognizable as such is obtained or a check number which also does not match the previous data sequence.
  • test criteria can be that the transmitted measurement data must grow monotonously.
  • the transmission of measurement data that are smaller than the last correctly transmitted measurement data indicate an error.
  • the errors that occur can be stored in the evaluation unit and kept ready for later evaluation with a view to eliminating errors.
  • the last or the last two decimals of the measured value can be used as a physical variable that changes in an uncontrolled manner, for example in the case of a high-resolution measuring device.
  • 10 denotes a total heat consumption measuring unit, which radiates a data record at irregular intervals via an antenna 12 and has the following structure: block start mark, measurement data (current status of the heat count), identification data (number and, if applicable, type of measuring unit) , Block end mark.
  • This data can be accommodated in a typical heat consumption measuring unit in an RF signal packet of approximately 10 ms duration.
  • the RF signal packet is picked up by an antenna 14 which belongs to an evaluation unit 16 set up in the building complex for a reader to access. This demodulates the RF signal packet, checks it and stores the heat consumption data for the measuring unit in an assigned memory field (RAM and / or hard disk), as will be described in more detail later.
  • RAM random access memory
  • the measuring unit 10 is a self-sufficient unit, which does not rely on electricity from the electrical network, on the radiator a room is attached to a residential unit of the building complex or is assigned to a hot water meter for this residential unit.
  • a larger number of other measuring units, one of which is symbolically shown at 10-i, are installed at other locations in the building complex.
  • the total number of measuring units 10-i cooperating with the evaluation unit 16 can be between 20 and 1000.
  • the measuring unit 10 contains a temperature sensor 18 which is thermally coupled to the associated consumer.
  • An identification signal for the measuring unit 10 is stored in a read-only memory 20, e.g. in the form of a number assigned to this measuring unit.
  • a computing circuit 22 integrates the output signal of the sensor 18, weights it if necessary in a predetermined manner and assembles the consumption value measurement signal thus obtained with the identification signal transmitted from the read-only memory 20 and a block start mark and a block end mark to form a data record.
  • the data record provided by the computing circuit is forwarded to a memory 24, which is activated for reading in at midnight in the exemplary embodiment considered here.
  • a clock module 26 of the measuring unit is connected to a timer circuit 28 programmed at midnight, the output terminal of which is connected to the control terminal of the memory 24.
  • the output signal of the timer circuit 28 is also a random generator 30 initiated.
  • This receives three input signals, namely the content of the read-only memory 20, the output signal of the sensor 18, which is reduced to the last digit after the decimal point by a cut-off circuit 32, as well as its own output signal. From these three signals, it calculates a set of randomly distributed transmission times over a full day according to a predetermined algorithm. For the exemplary embodiment considered here, it is assumed that 6 broadcast times are desired per day, the mean interval of which is therefore 4 hours.
  • the six transmission times are provided at the output for a second time switch circuit 34, which additionally receives the time of day provided by the clock module 26.
  • the time switch circuit 34 activates a transmission circuit 36.
  • block start mark, measurement data, identification data, block end mark converts this data set into serial representation and modulates using the serial bit pattern of the output signal an HF generator belonging to the transmitting circuit 36, not shown separately in the drawing, which has a transmitting power of approximately 20 mW and operates in the higher MHz or in the lower GHz range.
  • the transmission circuit 36 is supplied with energy by a long-term transmission battery 38, which can provide the power of approximately 200 mW required for operating the transmission circuit for the abovementioned short transmission periods over a period of approximately 10 years.
  • a display unit 42 is also connected to the output of the memory 24.
  • the evaluation unit 16 has a receiving circuit 44, which demodulates and forms the signals received at the antenna 14.
  • the signal stream then obtained is fed to an input of a computer 46 which operates according to the block diagram shown in FIG. 2 with regard to the evaluation and storage of incoming measurement data.
  • the computer first checks the incoming signal stream for the occurrence of a block start mark. If one is found, the following signals are read in until a block end mark is found.
  • the block marks are split off from the data set thus obtained and the check bit is separated.
  • a control check number is then calculated from the measurement data, which is then compared with the transmitted check number. If the two check numbers do not match, there is a return to the starting point of the routine.
  • the computer 46 fetches one or more of the read / write memories 48 connected to it, which can be a sufficiently large RAM or a hard disk or a floppy disk drive Previously transmitted measurement data records stored there of the measurement unit belonging to the measurement data record obtained in accordance with the identification signal.
  • the read / write memories 48 can be a sufficiently large RAM or a hard disk or a floppy disk drive Previously transmitted measurement data records stored there of the measurement unit belonging to the measurement data record obtained in accordance with the identification signal.
  • the new measurement data set is subjected to a plausibility check, which is used for a heat consumption measurement e.g. can simply consist of checking whether the new heat consumption value is greater than the last one saved.
  • the plausibility check can also consist of checking whether the measurement data record just received represents a continuous and plausible further development of a plurality of data records previously obtained.
  • the measurement data records obtained earlier can also be consulted for other measurement units if their measurement signals are factually related.
  • the measurement data record just obtained also satisfies the plausibility check, the measurement data record is combined with the time provided by a clock module 50 of the computer 46 and stored in a field of the read / write memory 48 provided for the measurement unit 10 under consideration.
  • this field can consist of only a single memory cell, but the memory area preferably comprises at least as many memory cells for data records as are sent by a measuring unit 10 per day.
  • the read / write memory 48 is generally read out once a day by a higher-level control center, not shown in the drawing, via a modem 52.
  • the modem 52 can be, for example, a TEMEX unit.
  • this data record is also stored together with the time in an error memory 54, which is also a read / write memory and is read out together with the read / write memory 48 via the modem 52 by the central control center, who then draws conclusions from the errors that have occurred about possible repair measures or improvements to the installation.
  • the read / write memory 48 and the error memory 54 can be partial areas of a single large memory.
  • a keyboard 56 and a monitor 58 can be connected to the computer 46 for local testing and maintenance, e.g. in the form of a portable calculator.
  • the electronics of the measuring units 10 is further simplified.
  • a single next broadcasting time is calculated at random, that is, a next broadcasting time that is the same as that viewed Embodiment is at any time within four hours of the current broadcast time.
  • the transmission circuit 36 is also connected directly to the output of the computing circuit 22.
  • the outputs of the memories 24 and 60 are connected to the inputs of a comparator 62, which then provides an output signal when the two input signals differ by more than a predetermined value, which can be set, for example, on a potentiometer 64.
  • An AND gate 66 is inserted between the output of the time switch circuit 34 and the control terminal of the transmission circuit 36, the second input of which is connected to the output of the comparator 62. In this way, the transmission circuit 36 is not activated as long as the measurement data have changed only insignificantly.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Communication Control (AREA)
EP93915970A 1992-07-29 1993-07-21 Verfahren zum übertragen von messdaten Expired - Lifetime EP0653087B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4225042 1992-07-29
DE4225042A DE4225042C2 (de) 1992-07-29 1992-07-29 Verfahren zum Übertragen von Verbrauchs-Meßdaten
PCT/EP1993/001932 WO1994003882A1 (de) 1992-07-29 1993-07-21 Verfahren zum übertragen von messdaten

Publications (2)

Publication Number Publication Date
EP0653087A1 EP0653087A1 (de) 1995-05-17
EP0653087B1 true EP0653087B1 (de) 1996-11-06

Family

ID=6464375

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93915970A Expired - Lifetime EP0653087B1 (de) 1992-07-29 1993-07-21 Verfahren zum übertragen von messdaten

Country Status (11)

Country Link
EP (1) EP0653087B1 (cs)
AT (1) ATE145081T1 (cs)
CZ (1) CZ284215B6 (cs)
DE (2) DE4225042C2 (cs)
DK (1) DK0653087T3 (cs)
ES (1) ES2095064T3 (cs)
GR (1) GR3022440T3 (cs)
HU (1) HU216366B (cs)
PL (1) PL172460B1 (cs)
SK (1) SK280398B6 (cs)
WO (1) WO1994003882A1 (cs)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4321754C3 (de) * 1993-06-30 1999-07-15 Envicomp Systemlogistik Gmbh & Verfahren zur Erfassung des Füllstands von über ein Gebiet verteilt aufgestellten Schüttgutbehältern und Anordnung zum Durchführen des Verfahrens
DE4422281C1 (de) * 1994-06-25 1996-02-01 Ziegler Horst Datenfernerfassungssystem
DE19545394A1 (de) 1995-12-06 1997-06-12 Ziegler Horst Antenneneinheit
DE19623729C2 (de) * 1996-06-14 1999-02-18 Ziegler Horst Warmwasserzähler
DE19751214A1 (de) † 1997-11-19 1999-06-10 Raab Karcher Energy Services G Verfahren zur Erfassung und Auswertung von temperaturabhängigen Verbrauchswerten oder Meßwerten anderer physikalischer Größen
DE19824471B4 (de) * 1998-05-30 2005-06-16 Ziegler, Horst, Prof. Dr. Verfahren zur Übertragung von Daten
DE19905316A1 (de) * 1999-02-09 2000-08-10 Horst Ziegler Datenübertragungssystem, insbesondere zur Verbrauchsdatenerfassung
DE19911657C2 (de) * 1999-03-16 2001-04-12 Horst Ziegler Verfahren zur Übertragung von Daten
DE10040604A1 (de) * 2000-08-16 2002-03-28 Siemens Building Tech Ag Verfahren und Vorrichtung zur Datenerfassung
DE10064296C2 (de) * 2000-12-22 2003-04-03 Juergen Hank Vorrichtung und Verfahren zur drahtlosen Übertragung von Meßdaten
DE10142964B4 (de) * 2001-03-28 2007-09-20 Techem Service Ag & Co. Kg Verfahren zum Abschalten zeitweise nicht benötigter Funktionen eines elektronischen Verbrauchsdatenerfassungsgeräts und Verbrauchsdatenerfassungsgerät
DE10136512A1 (de) * 2001-07-21 2003-02-13 Esys Ges Fuer Elektronische Sy Datenverarbeitungssystem mit jeweils mindestens einem autonomen Mess- und Datenerfassungssystem, einem autonomen Datenspeicher und einer Datenverarbeitungseinrichtung
DE10140792A1 (de) * 2001-08-20 2003-03-13 Roland Beisert Vorrichtung zum selbsttätigen Erfassen des Zählerstandes eines Verbrauchszählers
DE10212318A1 (de) * 2002-03-18 2003-10-09 Wikon Kommunikationstechnik Gm Vorrichtung zum Fernmessen, Fernzählen und/oder Fernmelden von Veränderungen physikalischer Größen
DE10238692B4 (de) * 2002-08-20 2007-11-15 Ziegler, Horst, Prof. Dr. Verfahren zum unidirektionalen Übertragen von Meßdaten
DE102004055659B4 (de) * 2004-11-18 2015-07-09 Metrona Wärmemesser Union Gmbh Verbrauchsdaten-Erfassungsvorrichtung, insbesondere Heizkostenverteiler und Datensammler mit RFID
DE102005023796A1 (de) 2005-05-19 2006-11-23 Prof. Dr. Horst Ziegler und Partner GbR (vertretungsberechtigter Gesellschafter: Prof. Dr. Horst Ziegler 33100 Paderborn) Verfahren und Einrichtung zur Fernauslesung von Daten
FR2888688B1 (fr) * 2005-07-16 2010-12-03 Somfy Sas Procede de communication entre un capteur domotique et un dispositif domotique destine au controle du confort visuel ou thermique dans un batiment
DE102005056932A1 (de) * 2005-11-29 2007-05-31 Prof. Dr. Horst Ziegler und Partner GbR (vertretungsberechtigter Gesellschafter: Prof. Dr. Horst Ziegler 33100 Paderborn) Funkübertragungssystem
DE102015211740A1 (de) * 2015-06-24 2016-12-29 Robert Bosch Gmbh Variables Kommunikationsfenster für eine Datenübertragung von einem Sensor zu einer Steuervorrichtung
CN105788218B (zh) * 2016-03-24 2019-11-12 北京远东仪表有限公司 无线抄表系统

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Publication number Priority date Publication date Assignee Title
US3311909A (en) * 1964-08-05 1967-03-28 Radiation Inc Signal redundancy utilizing slope limiting lines
DE3119119A1 (de) * 1981-05-14 1982-12-09 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und vorrichtung zur stochastischen uebertragung von messwerten
GB2132800B (en) * 1982-12-02 1986-05-21 Racal Security Ltd Remote sensing systems
GB8722381D0 (en) * 1987-09-23 1987-10-28 Space Age Electronics Ltd Telemetry device
GB2238147B (en) * 1989-11-16 1993-04-21 Gen Electric Co Plc Radio telemetry systems
US5056107A (en) * 1990-02-15 1991-10-08 Iris Systems Inc. Radio communication network for remote data generating stations

Also Published As

Publication number Publication date
DE4225042C2 (de) 1996-10-17
PL307270A1 (en) 1995-05-15
DK0653087T3 (da) 1997-04-14
DE4225042A1 (de) 1994-02-03
EP0653087A1 (de) 1995-05-17
GR3022440T3 (en) 1997-04-30
CZ21195A3 (en) 1995-08-16
HUT73086A (en) 1996-06-28
WO1994003882A1 (de) 1994-02-17
CZ284215B6 (cs) 1998-09-16
SK280398B6 (sk) 2000-01-18
ATE145081T1 (de) 1996-11-15
HU9500219D0 (en) 1995-05-29
SK10295A3 (en) 1995-09-13
PL172460B1 (pl) 1997-09-30
HU216366B (hu) 1999-06-28
ES2095064T3 (es) 1997-02-01
DE59304437D1 (de) 1996-12-12

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