WO2018001678A1 - Collecteur de données et dispositif et procédé de collecte de données de mesure - Google Patents

Collecteur de données et dispositif et procédé de collecte de données de mesure Download PDF

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Publication number
WO2018001678A1
WO2018001678A1 PCT/EP2017/063511 EP2017063511W WO2018001678A1 WO 2018001678 A1 WO2018001678 A1 WO 2018001678A1 EP 2017063511 W EP2017063511 W EP 2017063511W WO 2018001678 A1 WO2018001678 A1 WO 2018001678A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
measuring
data collector
measurement
collector
Prior art date
Application number
PCT/EP2017/063511
Other languages
German (de)
English (en)
Inventor
Heinrich Lysen
Roland Hölzl
Original Assignee
Prüftechnik Dieter Busch AG
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 Prüftechnik Dieter Busch AG filed Critical Prüftechnik Dieter Busch AG
Publication of WO2018001678A1 publication Critical patent/WO2018001678A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D9/00—Recording measured values
    • G01D9/005—Solid-state data loggers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom

Definitions

  • the present invention relates to a data collector which can be connected to a first measuring point arranged on a measuring object and is set up for collecting measured data of at least one measured variable of the measuring object detected at the first measuring point, and to a device and a method for collecting data with at least two such data collectors ,
  • Devices with data collectors which can be connected to measuring objects arranged on measuring objects, such as measuring nipples, in order to collect measured data recorded at these measuring points either by the measuring point or by the data collector, are known, for example, from EP 0 21 1 212 B1 and WO 99 / 05486 A2.
  • such devices have a data memory in which recorded measurement data are buffered or stored and thereby collected.
  • an identifier is often stored in the data memory by means of which a measuring point can be clearly identified on the measurement object with which the data collector is to be connected.
  • different sensors are provided for acquiring the measured data, such as temperature sensors, if the measured variable is the temperature of the measured object.
  • measurement data are to be collected and collected at different locations of the measurement object, it is known to provide respective measurement sites at the corresponding sites and to successively connect these measurement sites to a data collector or to successively feed a data collector to the measurement site. coupling, so that it is able to successively collect measured data recorded at the respective measuring points. This proves to be particularly time-consuming, if a large number of measuring points is to be processed. It is therefore the object of the present invention to provide a data collector, a device and a method for collecting measurement data with which measured data of a measurement object acquired at a plurality of measurement points can be collected more quickly and conveniently.
  • a data collector according to the present invention after being connected to the first measuring point, is furthermore set up to establish a data transmission connection with at least one further data collector, which is connected to a second measuring point arranged on the measuring object. Accordingly, in the device according to the invention, at least two or more such data collectors can be connected to respective measuring points, and in the method according to the invention, at least two data collectors are connected to respective measuring points. This makes it possible for the data collectors to collect measured data acquired at the respective measuring points synchronously, instead of successively connecting a single data collector with the measuring points and successively collecting the measured data recorded at the respective measuring points. According to the invention, the data collectors can communicate with one another via the data transmission connection and match the collecting of the measured data with one another.
  • data collectors or data collectors of a device according to the invention connected to measurement points of a measurement object can agree on whether the measurement data is complete at all or all relevant measurement sites, if the quantity or quality of these measurement data is satisfactory or sufficient or if additional Measurement data to be recorded.
  • measured data acquired at several measuring points of a measuring object can thereby be collected much faster and more simply than with known data collectors or devices for collecting measured data.
  • the data transmission connection or the data transmission connection of the device can be any connection or communication connection for the transmission of data, which is preferably at least partially or completely wireless or wired or fiber-based.
  • the object to be measured may also be any device, machine or installation, as well as fixed or movable parts thereof, such as shafts, axles or rollers.
  • Measuring points such as, for example, so-called measuring nipples can be fixed or movable or detachably attached or attachable to the measuring object. Furthermore, measuring points for unambiguous identification can be assigned respective identifiers which can be stored in respective data memories of the measuring points which the data collector can access.
  • a preferred embodiment of a device has at least two measuring points attachable to a measuring object and connectable to the data collectors. By means of such a device, it is possible to acquire measurement data not only of one measurement object but of different measurement objects since the measurement sites of the device can be attached and removed at respective measurement objects in order to subsequently attach them to another measurement object.
  • the measurement data can generally be data representing any measured variables of the measurement object.
  • Measurement data can be acquired either from the measuring point or from the data collector. If the measurement data is not only acquired but also recorded by the measuring point, the data is collected by the data collector by transferring the measured data from the measuring point to the data collector or by reading it. In this case, the transmission of the measured data to the data collector can take place immediately after it has been detected by the measuring point.
  • the measuring point can have a data memory in which measured data are temporarily stored after their detection in order to be transmitted to the data collector later or subsequently read out of the data memory or the measuring point by the data collector.
  • the collection of measured data by the data collector can also include the acquisition of the measured data.
  • the measurement data can be temporarily stored in a data memory, which may be part of the data collector or an internal or external data memory in particular.
  • sensors may be provided in or on the data collector itself or as part of it. In such cases, in the state of the data collector connected to the measuring point, vibrations or vibrations are mechanically transmitted from the measuring object via the measuring point to the data collector, where they can be detected by the sensor arranged there.
  • a device may be provided in which at least one of the measuring points has at least one sensor for detecting at least one measured variable of the measuring object or at least one temperature sensor or at least one vibration sensor or at least one uniaxial vibration sensor or at least one three-axial vibration sensor or at least one acceleration sensor or at least one high-frequency acceleration sensor or at least one micromechanical acceleration sensor or at least one piezoelectric acceleration sensor.
  • temperature sensors are preferably provided as part of the measuring point for measuring the temperature of the measuring object in the vicinity of the measuring point.
  • a datastore of the measuring point mainly contains information about the machine-aggregate-bearing vibration evaluation, that is information about what we measured or what is evaluated as. Further information relates to measurement and evaluation dependencies of other measured values on this machine train.
  • Measured temperature values are preferably stored in a data memory of the measuring point.
  • the device preferably has a vibration sensor or acceleration sensor comprised by the data collector.
  • This may be a uniaxial vibration sensor measuring vibrations or vibrations in one direction, usually in a normal direction to the surface of the measurement object, or a three-axial vibration sensor measuring vibrations in three perpendicular directions Because of this, one of these directions is normally a normal direction to the surface of the measurement object.
  • the acceleration sensors can be any acceleration sensors, such as known micromechanical or piezoelectric acceleration sensors.
  • the data receiver is set up to collect measurement data acquired at the measuring point and transmitted by the data collector.
  • measurement data from several or all measuring points can be collected centrally at the data collector connected to the first measuring point, from where they can be jointly read out or transmitted together to a point provided with the evaluation of the measured data.
  • the data collector is set up to send a message in accordance with predetermined algorithms to the data collector connected to the second measuring point.
  • This message can be, for example, a request at the data collector connected to the second measuring point with regard to measured data acquired at the second measuring point.
  • the data collector can, for example, inquire whether measured data acquired at the second measuring point has been or has been recorded completely or in sufficient quantity or in a satisfactory quality.
  • the data collector connected to the second measuring point can be made to provide a further or additional acquisition of measured data with a further message.
  • Corresponding information about the measured data acquired at the first measuring point can be transmitted by means of such a message to the data collector connected to the second measuring point.
  • the data collector can also advantageously be set up to output a predetermined signal, to send predetermined measurement data or to initiate a capture of measurement data over a predetermined period of time or to initiate a predetermined analysis of collected measurement data if the measurement data satisfy a predetermined criterion.
  • the data collector can be set up to output a signal when all desired measurement data have been acquired at the relevant measuring points or if data collectors connected to these tags communicate this.
  • the data collector can initiate the acquisition of measured data over a predetermined period of time in order to be able to better monitor possibly critical states of the measured object.
  • the device according to the invention may further comprise at least one modular operating device which is designed or manageable as a module.
  • This can in particular be connected or connectable to the data collector.
  • the operating device can be connected to the data collector, for example by means of a cable or wirelessly, in particular via a wireless communication connection, so that the collected measurement data can be transmitted to the operating device via the cable or wirelessly for further processing or evaluation.
  • the operating device can receive measurement data acquired by sensors of the data collector, optionally after buffering for further processing or evaluation via the cable or wirelessly.
  • the operating device may in particular have a graphic display on which the obtained measurement data can be displayed.
  • the operating device can be set up for manual or automatic or semi-automatic control of the data collector or the device.
  • FIG. 1 shows a machine installation 1 comprising a first machine 2 with a horizontal shaft 3 and a second machine 4 with a horizontal shaft 5.
  • the two shafts 3 and 5 are aligned with one another along their longitudinal axes and coupled to one another by means of a coupling device 6. While the first machine 2 is supported by means of two support elements 7 on a substrate 8 or ground, the second machine 4 is supported with only one support element 9 on the substrate 8.
  • One of the support elements 7 of the first machine 2 is provided with a first measuring point 10 in the form of a measuring nipple.
  • a second measuring point 11 is arranged on a part of the first machine 2 remote from the second machine 4, and a third measuring point 12 is located on a part of the first machine 2 facing the second machine 4.
  • the second machine 4 accordingly has a fourth measuring point 13 a part facing the first machine 2 and a fifth measuring point 14 on a part facing away from the first machine 2.
  • data collectors which can be connected to the measuring points 10, 11, 12, 13, 14 themselves can have such sensors, so that when the data collector is connected to a measuring point 10, 11, 12, 13, 14, these sensors are likewise connected to the latter or be coupled to this.
  • the connection of a data collector, which has a sensor, with a measuring point 10, 1 1, 12, 13, 14 ensures that the sensor, the measurement data at a predetermined, by the position or arrangement of the measuring point 10, 1 1, 12, 13 , 14 defined, digit recorded.
  • the data collector can store the collected measurement data in an internal memory or transmit it to another device or location, for example to a computer responsible for the evaluation of the measurement data.
  • FIG. 2 the machine installation 1 is now shown with a device for collecting measurement data, which comprises a plurality of data collectors 15, 16, 17, 18, 19 and a modular handling device 20.
  • a first data collector 15 is connected to the first measuring point 10
  • a second data collector 16 is connected to the second measuring point 1 1
  • a third data collector 17 is connected to the third measuring point 12
  • a fourth data collector 18 is connected to the fourth measuring point 13
  • a fifth data collector 19 is connected to the fifth measuring point 14.
  • the data collectors 15, 16, 17, 18, 19 are capable of producing data transmission connections with one another.
  • FIG. 2 shows by way of example a data transmission connection 21 between the first data collector 15 and the second data collector 16. Corresponding data transmission connections can be produced between any pairs of data collectors 15, 16, 17, 18, 19.
  • Each data collector 15, 16, 17, 18, 19 is also wirelessly connectable to the control device 20 and controllable via this.
  • measuring data acquired at the measuring points 10, 11, 12, 13, 14 can be determined independently of whether in the measuring points 10, 11, 12, 13,
  • sensors implemented or provided in the data collectors 15, 16, 17, 18, 19 detect the measurement data to be collected synchronously by the data collectors 15, 16, 17, 18, 19.
  • the data collectors 15, 16, 17, 18, 19 it is possible for the data collectors 15, 16, 17, 18, 19 to communicate with one another via data transmission connections 21, for example by sending corresponding messages or inquiries, in order to determine when the acquisition or collecting of the measured data takes place at each of the data collectors 15, 16, 17 , 18, 19 is completed. Only after completion of the collecting process at all data collectors 15, 16,
  • Each or some of the data collectors 15, 16, 17, 18, 19 may be configured to transmit collected measurement data to the operator device 20.
  • one of the data collectors 15, 16, 17, 18, 19 may also be provided as a central collection point to which all other data collectors 15, 16, 17, 18, 19 transmit the measurement data collected by them.
  • the device may be configured such that the respective data collector 15, 16, 17, 18, 19 provided as a central collection point can establish a data transmission connection 21, whereas data collectors 15, 16, 17, 18, 19 do not are provided as a central collection point, but can not establish a data transmission connection 21 with each other.
  • Such a device can be equipped with the operating device. tion 20 via the respective intended as a central collection point data collector 15, 16, 17, 18, 19 done. If the measurement data from all data collectors 15, 16, 17, 18, 19 are available at the central collection point, this can transmit the measurement data in a single data packet to the operating device 20.
  • the first data collector 15 may be configured as such a central collection point.
  • the second data collector 16, the third data collector 17, the fourth data collector 18 and the fifth data collector 19 transmit the collected measurement data via data transmission connections 21 to the first data collector 15.
  • Data transmission connections between the second to fifth data collector 16, 17, 18, 19, however, can not be produced.
  • the first data collector 15 transmits the measurement data collected by him and the data collectors 16, 17, 18, 19 to the operating device 20 in a single data packet.
  • the data collectors 15, 16, 17, 18, 19 are controlled by means of the operating device 20 via which control commands are transmitted to the first data collector 15, which is set up as the central collection point, for this purpose.

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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)

Abstract

L'invention concerne un collecteur de données (15) pouvant être connecté à un premier point de mesure (10) disposé sur un objet à mesurer (1) et conçu pour collecter des données de mesure, détectées au premier point de mesure (10), d'au moins une grandeur de mesure de l'objet à mesurer (1). Le collecteur de données est, après la connexion au premier point de mesure (10), en outre conçu pour réaliser une connexion de transmission de données (21) à au moins un autre collecteur de données (16) qui est connecté à un deuxième point de mesure (11) disposé sur l'objet à mesurer (1). En outre, un dispositif de collecte de données de mesure comprend au moins deux tels collecteurs de données (15, 16, 17, 18, 19). Selon un procédé de collecte de données de mesure qui sont détectées en des points de mesure (10, 11, 12, 13, 14), au moins deux collecteurs de données sont connectés. Les collecteurs de données (15, 16, 17, 8, 19) réalisent entre eux une connexion de transmission de données (21) et transmettent des données de mesure et/ou des messages.
PCT/EP2017/063511 2016-06-28 2017-06-02 Collecteur de données et dispositif et procédé de collecte de données de mesure WO2018001678A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016111817.6 2016-06-28
DE102016111817.6A DE102016111817A1 (de) 2016-06-28 2016-06-28 Datensammler sowie Einrichtung und Verfahren zum Sammeln von Messdaten

Publications (1)

Publication Number Publication Date
WO2018001678A1 true WO2018001678A1 (fr) 2018-01-04

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WO (1) WO2018001678A1 (fr)

Cited By (1)

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US11592499B2 (en) 2019-12-10 2023-02-28 Barnes Group Inc. Wireless sensor with beacon technology

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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