WO2019115068A1 - Dispositif de détection à insérer dans un évidement d'un élément rotatif et système muni d'un élément rotatif et d'un dispositif de détection selon l'invention inséré dans l'évidement dudit élément - Google Patents

Dispositif de détection à insérer dans un évidement d'un élément rotatif et système muni d'un élément rotatif et d'un dispositif de détection selon l'invention inséré dans l'évidement dudit élément Download PDF

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Publication number
WO2019115068A1
WO2019115068A1 PCT/EP2018/078789 EP2018078789W WO2019115068A1 WO 2019115068 A1 WO2019115068 A1 WO 2019115068A1 EP 2018078789 W EP2018078789 W EP 2018078789W WO 2019115068 A1 WO2019115068 A1 WO 2019115068A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor device
recess
antenna element
conductor loop
unit
Prior art date
Application number
PCT/EP2018/078789
Other languages
German (de)
English (en)
Inventor
Matthias Lungwitz
Stefan Gaier
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2019115068A1 publication Critical patent/WO2019115068A1/fr

Links

Classifications

    • 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
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
    • 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
    • G01D21/00—Measuring or testing not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2210/00—Codes relating to different types of disintegrating devices
    • B02C2210/01—Indication of wear on beaters, knives, rollers, anvils, linings and the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00—Crushing or disintegrating by roller mills
    • B02C4/28—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration

Definitions

  • the invention relates to a sensor device for insertion into a recess of a rotatable body, in particular a roller body, wherein the sensor device has at least one communication unit for wireless communication with an external unit and an energy receiver unit, wherein the energy receiver unit has at least one conductor loop for inductive power supply of the sensor device.
  • Such a sensor device is disclosed, for example, in the publication WO 2014/195309 A1.
  • a printed circuit board is disclosed, on which a plurality of sensors are arranged at a distance from each other in order to determine measured values over the entire length of the roller can.
  • the sensor device is introduced into a recess of the roller body and injected there.
  • sensors for example
  • the roll storage can be monitored or closed on process parameters during the rolling process.
  • the sensor device may include an inductive power receiver unit and a communication unit for wireless communication with an external unit.
  • the invention also relates to a system, the system having a rotatable body with a recess into which a sensor device according to the invention is inserted. Disclosure of the invention
  • the invention relates to a sensor device for insertion into a recess of a rotatable body, in particular a roller body, wherein the sensor device at least one communication unit for wireless communication with an external unit and a
  • the energy receiver unit wherein the energy receiver unit at least one conductor loop for inductive energy supply of
  • Sensor device comprises.
  • the communication unit has an antenna element, wherein the antenna element and the conductor loop are arranged in such a way that the vector of one of the
  • Antenna element receivable and / or can be transmitted E-field is aligned substantially perpendicular to the main extension plane of the conductor loop.
  • the E-field of the antenna element by the corresponding arrangement of the conductor loop relative to the antenna element, is not influenced by the conductor loop.
  • the sensor device can perform a trouble-free communication with an external unit and parallel to it, an inductive power supply of the sensor device can be achieved, which does not interfere with the corresponding communication.
  • Another advantage is that the energy supply no electrochemical energy storage, such as a battery is necessary. Such a battery could be problematic when operating the sensor device in a corresponding roller body due in part to high ambient temperatures, for example up to 100 ° C or more.
  • the body can be a rolling body for processing various products, such as foods, for example, wherein the body can be made substantially metallic in particular.
  • the recess of the body may be, for example, a bore, a blind hole, a depression or a breakthrough.
  • external unit is meant, for example, a central control unit for the roller body, which communicates with the communication unit of
  • Sensor device can communicate and, for example, based on received measured values process parameters of the roll body, such as the speed can regulate.
  • the communication unit can be designed, for example, as a Bluetooth or WLAN unit.
  • the conductor loop is designed substantially metallic.
  • the conductor loop may have a plurality of windings and represent, for example, an ordinary coil.
  • the main extension plane of the conductor loop is to be understood as the plane in which the surface spanned by the conductor loop lies.
  • the conductor loop mainly consists of a metallic material, but may also have slightly different, non-metallic ingredients.
  • the non-metallic ingredients can be impurities.
  • the metallic body can be
  • the conductor loop for example, also have plastic parts which serve, for example, as edge or corner protection for the metallic body or also allow other tasks such as sealing against the environment.
  • the sensor device can be configured in such a way that a sensor unit and, if appropriate, further ones can be mounted on a printed circuit board
  • the sensor unit has, for example, a temperature sensor and could additionally or alternatively a
  • the sensor device may, for example, still have a processing unit.
  • the E-field vector propagates wavy in a polarization plane and the conductor loop is thus aligned perpendicular to this polarization plane.
  • the vector of the E field of the antenna element and the main extension plane of the conductor loop preferably form an angle of 90 °, which angle may optionally differ by a few degrees.
  • An embodiment of the invention provides that the antenna element is designed as a loop antenna or dipole antenna.
  • such types of antennas also allow good communication between the sensor device and an external unit from a recess as soon as the sensor device is inserted into the recess of the body.
  • the body when the body is substantially metallic, it acts electromagnetically shielding on the components used in a recess, wherein the corresponding antenna types can nevertheless send out and / or receive out of the recess.
  • a further embodiment of the invention provides that the antenna element is designed as an electrical conductor element which is arranged on a printed circuit board of the sensor device or on a housing of the sensor device, in particular parallel to the main extension plane of the printed circuit board.
  • electrical conductor element for example, a simple wire to understand, which is designed to effect a radiation of an electromagnetic signal.
  • Printed circuit board sensor device or is arranged on a housing of the sensor device, in particular parallel to the main extension plane of the
  • the antenna element and / or a part of the conductor loop in an area around a Front side of the sensor device are arranged, in particular adjacent to the front side of the sensor device.
  • Antenna element and a good inductive coupling of the sensor device can be made possible when the sensor device is inserted into a corresponding recess of a body.
  • the invention also relates to a system, the system having a rotatable body with a recess into which a sensor device according to the invention is inserted.
  • the E-field of the antenna element by the corresponding arrangement of the conductor loop relative to the antenna element, is not influenced by the conductor loop.
  • the sensor device can perform a trouble-free communication with an external unit and parallel to it, an inductive power supply of the sensor device can be achieved, which does not interfere with the corresponding communication.
  • the mechanical energy of the rotatable roller body can be used directly in order to supply the sensor device with an inductive conversion of the mechanical energy into electrical energy with this electrical energy.
  • Another advantage is that the energy supply no electrochemical energy storage, such as a battery is necessary. Such a battery could be problematic when operating the sensor device in a corresponding roller body due in part to high ambient temperatures, for example up to 100 ° C or more.
  • the system has a further body, which has at least one magnet, in particular a permanent magnet, wherein the body and the further body are arranged to be movable relative to each other.
  • the advantage here is that a simple inductive power supply can be made possible by the magnet of the other body, for example, by the body with the sensor device and thus the
  • Conductor loop is moved relative to the other body.
  • the further body is arranged immovable relative to a rotational axis of the body.
  • the further body is arranged to be movable relative to a rotational axis of the body, in particular likewise arranged rotatable.
  • Fig. 1 shows an embodiment of a sensor device according to the invention for insertion into a recess of a roller body.
  • FIG. 2 shows a first exemplary embodiment of a system according to the invention, in which a sensor device according to the invention is inserted into a recess of a roller body.
  • Fig. 3 shows a second embodiment of a system according to the invention with a further body.
  • Fig. 1 shows an embodiment of a sensor device according to the invention for insertion into a recess of a roller body.
  • the sensor device 10 for insertion into a recess 102 of a roller body 100.
  • the sensor device 10 has in particular a printed circuit board 12 and a sensor unit 15.
  • the sensor unit 15 is arranged on the printed circuit board 12 and may for example comprise a temperature sensor, an acceleration sensor and / or a yaw rate sensor. Mitels detected by the acceleration sensor acceleration values and / or detected by the temperature sensor temperature values, for example, on an operating condition and a running time of the roller body or on a storage condition of the roller body, such as an imbalance,
  • the sensor device 10 has a communication unit 20 for wireless communication with an external unit, not shown.
  • the communication unit 20 is designed in this embodiment as a SMD ceramic chip and has an integrated antenna element 21, which may be configured, for example, as a loop antenna.
  • the communication unit 20 and the antenna element 21 could be configured separately from each other.
  • the antenna element 21 could be designed, for example, as a dipole antenna.
  • Communication unit 20 may be, for example, a Bluetooth or WLAN unit. If the communication unit 20 is designed as a Bluetooth unit, a loop antenna is preferably selected as the antenna element 21, since a diameter of the recess 102 of the roller body 100 is typically in the range of the wavelength of the Bluetooth signal or below and a dipole or rod antenna, if necessary would be great. On the other hand, if the communication unit 20 is configured to transmit or receive signals with a frequency significantly higher than that of Bluetooth, a dipole antenna 21 can be readily used as antenna element 21, since at this high frequency the wavelength is correspondingly small and thus also the dimensions of Dipole antenna can be correspondingly low.
  • the external unit may, for example, a central processing unit (CPU)
  • Be control unit for the roll body which can communicate with the communication unit 20 of the sensor device 10 and, for example, based on received measured values process parameters of the roll body, such as the speed control.
  • the sensor device 10 has an energy receiver unit 30.
  • the energy receiver unit 30 is configured to be an inductive
  • the Energy receiver unit 30 a conductor loop 31, which is designed as an open conductor loop and the circuit board 12 encloses. If the magnetic flux density in the region of the conductor loop 31 now changes, a
  • the energy supply unit 30 may, for example, have an energy store 32, which is arranged on the printed circuit board 12 and which is connected to the conductor loop 31 such that a voltage induced in the conductor loop 31 can be tapped off.
  • an unillustrated rectifier can also be arranged between the energy store 32 and the conductor loop 31, which converts the induced AC voltage into a DC voltage.
  • the energy storage 32 may be configured, for example, as a capacitor.
  • the energy store 32 is also connected to the electronic components of the sensor device 10, such as the communication unit 20 and the sensor unit 15, in order to supply them with electrical energy and to be able to operate accordingly.
  • the antenna element 21 and a part of the conductor loop 31 are preferably arranged in a region around an end face 11 of the sensor device 10. In this case, the antenna element 21 and a part of the
  • Conductor loop 31 in particular to the end face 11 of the sensor device 10 at.
  • the sensor device 10 may have further electronic components.
  • a processing unit 40 may be arranged on the printed circuit board 12.
  • the processing unit 40 may be, for example, a microcontroller.
  • the processing unit 40 is connected by way of example to the communication unit 20 and the sensor unit 15 in order to
  • the sensor device 10 may also have a housing, not shown, which protects the sensor device 10 from outside influences, such as dust or water.
  • the antenna element 21 may instead be designed as an SMD component as an MID component or as an electrical conductor element, in particular as a substantially metallic wire.
  • the antenna element 21 can be arranged, for example, either on the printed circuit board 21 of the sensor device 10 or on the optional housing of the sensor device 10.
  • FIG. 2 shows a first exemplary embodiment of a system according to the invention, in which a sensor device according to the invention is inserted into a recess of a roller body.
  • This body 100 may be, for example, a roller body which is substantially metallic. Under the
  • Substantial metallic body is to be understood that the body consists mainly of a metallic material, but may also have slightly different, non-metallic ingredients.
  • the non-metallic ingredients can be impurities.
  • the metallic body can also have, for example, plastic parts which serve, for example, as edge or corner protection for the metallic body or also allow other tasks such as sealing against the environment.
  • the roller body 100 has an axis of rotation 101 around which the roller body 100 is rotatably mounted. On an end face 104, the roller body 100 has a recess 102.
  • the recess 102 is designed here as a bore, but could also be a blind hole, a depression or an opening in the body 100.
  • the recess 102 extends in particular parallel to the axis of rotation 101 of the roller body 100.
  • a sensor device 10 for example configured according to FIG. 1, used and optionally fixed.
  • the optional housing of the sensor device 10 is preferably designed such that it fully fills the recess 102, ie in particular a cross section of the housing corresponds to a cross section of the recess 102.
  • the housing also includes flush with the front side 104 of the roller body 100 and thus seals the recess 102 from the outside.
  • a closure element may also be provided which closes the recess 102.
  • Fig. 3 shows a second embodiment of a system according to the invention with a further body.
  • the system 51 has in addition to
  • Roll body 100 still another body 110, which is designed as a circular disc.
  • the body 100 and the further body 110 are arranged to be movable relative to one another.
  • the further body 110 is arranged immovable relative to the axis of rotation 101 of the body 100 and the body 100 can rotate around the axis of rotation 101 according to the embodiment of FIG.
  • the further body 110 may be fixed, for example, by means of a holder, not shown.
  • the further body 110 also has magnets 112, which are arranged on the body 110 and are preferably designed as permanent magnets.
  • the permanent magnets 112 are in this case arranged such that a surface of the recess 102 with the sensor device 10 in a revolution of the roller body 100 about the axis of rotation 101 passes over a surface of the respective permanent magnet 112, for example, indicated by the dashed arrow, whereby each voltage in the

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

L'invention concerne un dispositif de détection (10) destiné à être inséré dans un évidement (102) d'un élément rotatif (100), en particulier d'un élément roulant, le dispositif de détection (10) présentant au moins une unité de communication (21) permettant une communication sans fil avec une unité externe, et une unité de réception d'énergie (30), l'unité de réception d'énergie (30) présentant au moins une boucle conductrice (31) permettant l'alimentation en énergie par induction du dispositif de détection (10). Selon un aspect de l'invention, l'unité de communication (20) présente un élément antenne (21), l'élément antenne (21) et la boucle conductrice (31) étant agencés l'un par rapport à l'autre de telle manière que le vecteur (22) d'un champ électrique pouvant être reçu et/ou pouvant être envoyé par l'élément antenne (21) est sensiblement perpendiculaire au plan d'extension principal de la boucle conductrice (31). L'invention concerne en outre un système, le système présentant un élément rotatif muni d'un évidement dans lequel est inséré un dispositif de détection selon l'invention.
PCT/EP2018/078789 2017-12-14 2018-10-19 Dispositif de détection à insérer dans un évidement d'un élément rotatif et système muni d'un élément rotatif et d'un dispositif de détection selon l'invention inséré dans l'évidement dudit élément WO2019115068A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017222820.2 2017-12-14
DE102017222820.2A DE102017222820A1 (de) 2017-12-14 2017-12-14 Sensorvorrichtung zum Einsetzen in eine Ausnehmung eines rotierbaren Körpers und System mit einem rotierbaren Körper und einer in dessen Ausnehmung eingesetzten erfindungsgemäßen Sensorvorrichtung

Publications (1)

Publication Number Publication Date
WO2019115068A1 true WO2019115068A1 (fr) 2019-06-20

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Application Number Title Priority Date Filing Date
PCT/EP2018/078789 WO2019115068A1 (fr) 2017-12-14 2018-10-19 Dispositif de détection à insérer dans un évidement d'un élément rotatif et système muni d'un élément rotatif et d'un dispositif de détection selon l'invention inséré dans l'évidement dudit élément

Country Status (2)

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DE (1) DE102017222820A1 (fr)
WO (1) WO2019115068A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2930874T3 (es) * 2019-08-23 2022-12-22 Buehler Ag Cilindro con un sensor
DE202020102536U1 (de) 2020-05-06 2021-08-09 Amandus Kahl Gmbh & Co. Kg Kollerrolle für eine Matrizenpresse

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110163857A1 (en) * 2003-04-09 2011-07-07 Visible Assets, Inc. Energy Harvesting for Low Frequency Inductive Tagging
WO2014195309A1 (fr) 2013-06-03 2014-12-11 Bühler AG Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé
DE102016215602B3 (de) * 2016-08-19 2017-06-29 Robert Bosch Gmbh Messeinrichtung zur Ermittlung der Temperatur einer Walzenoberfläche eines Walzenkörpers

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8681000B2 (en) * 2003-04-09 2014-03-25 Visible Assets, Inc. Low frequency inductive tagging for lifecycle management

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110163857A1 (en) * 2003-04-09 2011-07-07 Visible Assets, Inc. Energy Harvesting for Low Frequency Inductive Tagging
WO2014195309A1 (fr) 2013-06-03 2014-12-11 Bühler AG Paire de rouleaux, dispositif de mesure, installation de traitement de produits et procédé
DE102016215602B3 (de) * 2016-08-19 2017-06-29 Robert Bosch Gmbh Messeinrichtung zur Ermittlung der Temperatur einer Walzenoberfläche eines Walzenkörpers

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DE102017222820A1 (de) 2019-06-19

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