EP3782732B1 - Rouleau avec un capteur - Google Patents

Rouleau avec un capteur Download PDF

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Publication number
EP3782732B1
EP3782732B1 EP19193455.3A EP19193455A EP3782732B1 EP 3782732 B1 EP3782732 B1 EP 3782732B1 EP 19193455 A EP19193455 A EP 19193455A EP 3782732 B1 EP3782732 B1 EP 3782732B1
Authority
EP
European Patent Office
Prior art keywords
sensor
grinding
rollers
grinding roller
roller
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
EP19193455.3A
Other languages
German (de)
English (en)
Other versions
EP3782732A1 (fr
Inventor
Martin Neff
Marcos LUQUIN
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.)
Buehler AG
Original Assignee
Buehler 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
Priority to ES19193455T priority Critical patent/ES2930874T3/es
Application filed by Buehler AG filed Critical Buehler AG
Priority to EP19193455.3A priority patent/EP3782732B1/fr
Priority to US17/753,105 priority patent/US20220288599A1/en
Priority to BR112022003191A priority patent/BR112022003191A2/pt
Priority to CN202080056508.7A priority patent/CN114206505B/zh
Priority to PCT/EP2020/072253 priority patent/WO2021037525A1/fr
Priority to KR1020227006504A priority patent/KR102645805B1/ko
Priority to JP2022512718A priority patent/JP7357147B2/ja
Publication of EP3782732A1 publication Critical patent/EP3782732A1/fr
Application granted granted Critical
Publication of EP3782732B1 publication Critical patent/EP3782732B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B02C4/42—Driving mechanisms; Roller speed control
    • 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
    • B02C4/30—Shape or construction of rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00—Control arrangements specially adapted for crushing or disintegrating
    • 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
    • B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/06—Crushing or disintegrating by roller mills with two or more rollers specially adapted for milling grain
    • 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
    • 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
    • B02C4/32—Adjusting, applying pressure to, or controlling the distance between, milling members
    • B02C4/38—Adjusting, applying pressure to, or controlling the distance between, milling members in grain mills

Definitions

  • the present invention relates to a sensor for a roller of a pair of rollers, in particular a pair of grinding rollers such as a pair of grain rollers, the sensor being integrated into the roller and having an improved cover cap.
  • Milling rollers such as those used in grain milling, require constant monitoring. For example, it can happen that a so-called dry run occurs, in which neighboring grinding rollers touch each other and the drive power of the motor is converted into heat in an uncontrolled manner. If this condition persists for too long, the temperature of the grinding roller can rise to a critical level and possibly cause a fire.
  • a common precautionary measure in the prior art consists in monitoring the temperature of a grinding roller using one or more sensors and issuing a warning message when an ignitable temperature is reached.
  • Optical systems for detecting the peripheral surface of the grinding roller are often used for this purpose. The problem here, however, is that these optical systems are located outside the grinding rollers in the product space through which the material to be ground also flows. For this reason, such optical systems are extremely susceptible to contamination.
  • pressure sensors or sensors for measuring the surface quality of a grinding roller are also known, with the help of which the contact pressure between two adjacent grinding rollers or the wear of a grinding roller can be measured. Furthermore, for example, from the WO 2007/025395 A1 Known vibration sensors for grinding rollers.
  • a grinding roller according to the preamble of claim 1 is in U.S. 2019/240672 A1 disclosed.
  • the present invention further relates to a pair of grinding rollers, in particular a pair of grain rollers, comprising at least one grinding roller according to the invention.
  • the present invention further relates to a product processing plant, in particular a grain mill, containing at least one pair of grinding rollers according to the invention.
  • a product processing plant in particular a grain mill, containing at least one pair of grinding rollers according to the invention.
  • it can also be a high-pressure mill in milling, a flaking mill, e.g. for oil production from oilseeds or for grain flaking, or a crushing mill, e.g. in the oilseed oil or animal feed industry, whose rolls are also within the meaning of the present invention are to be understood as “grinding rollers" or “grinding roller pairs”.
  • the present invention further relates to a method for operating a product processing plant according to the invention, comprising the step of detecting the state of a grinding roller according to the invention by means of the sensor arranged in the grinding roller.
  • processing of a product means the grinding, crushing and/or flaking of bulk material, in particular grain, grain ground products and grain end products of milling or special milling as explained above, for which the pairs of rollers described in more detail below can be used as roller pairs Milling rollers or flaking rollers can be used.
  • Milling rollers within the meaning of the present invention are designed to grind granular material to be ground, which is usually between a pair of grinding rollers consisting of two grinding rollers. Grinding rollers, in particular the grinding rollers of the pairs of grinding rollers according to the invention, usually have an essentially inelastic surface (in particular on their peripheral surface), which for this purpose can contain or consist of metal, such as steel, in particular stainless steel. There is usually a relatively fixed and often hydraulically controlled grinding gap between the grinding rollers of the grinding roller pair. In many grinding plants, the material to be ground is guided essentially vertically downwards through such a grinding gap.
  • the material to be ground is fed to the grinding rollers of a pair of grinding rollers by means of gravity, with this feeding being optionally supported pneumatically.
  • the material to be ground is usually granular and moves as a fluid stream through the grinding gap.
  • ground material is usually understood as a product in powder, granular or pellet form, which during the processing of grain, grain grinding products and grain end products from milling (in particular milling soft wheat, durum, rye, corn and/or barley) or special milling (in particular hulling and/or milling of soy, buckwheat, barley, spelt, millet/sorghum, pseudocereals and/or legumes), production of feed for livestock and pets, fish and crustaceans, processing of oilseeds, processing of biomass and manufacturing of energy pellets, industrial malting and crushing plants; the processing of cocoa beans, nuts and coffee beans, the production of fertilizers, in the pharmaceutical industry or in solid chemistry.
  • milling in particular milling soft wheat, durum, rye, corn and/or barley
  • special milling in particular hulling and/or milling of soy, buckwheat, barley, spelt, millet/sorghum, pseudocereals and/or legumes
  • At least one roller in particular both rollers of the pair of grinding rollers, in particular at least one roller, in particular both rollers of the pair of grinding rollers, can be designed, for example, as a smooth roller or as a corrugated roller or as a roller body with plates screwed on. Smooth rolls can be cylindrical or cambered. Corrugated rollers can have different corrugated geometries, such as roof-shaped or trapezoidal corrugated geometries, and/or have segments attached to the peripheral surface.
  • At least one roller in particular both rollers of the pair of grinding rollers, in particular at least one roller, in particular both rollers of the pair of grinding rollers, can have a length in the range from 100 mm to 2500 mm and a diameter in the range from 200 mm to 800 mm.
  • the peripheral surface of the roller in particular of the grinding roller, is preferably non-detachably connected to the roller body and, in particular, designed in one piece with it. This allows simple production and reliable and robust processing, in particular grinding, of the product.
  • the at least one sensor is designed to record measured values that characterize a state of at least one of the rollers, in particular both rollers of the pair of rollers.
  • this can be a condition of a peripheral surface of at least one of the rollers, in particular both rollers of the roller pair.
  • the condition can be, for example, temperature, pressure, force (force component(s) in one or more directions), wear, vibration, deformation (expansion and/or deflection path), rotational speed, rotational acceleration, ambient humidity, be a position or an orientation of at least one of the rollers, in particular both rollers of the pair of rollers.
  • At least one roller of the pair of rollers contains at least one sensor.
  • the sensor When the roller rotates during operation, the sensor also rotates.
  • the at least one sensor is arranged within a bottom surface of the roller. The at least one sensor is therefore not located in the product space through which the product, in particular the ground material, also flows.
  • a product processing plant with at least one such roller, in particular a grinding plant with at least one such grinding roller, is therefore significantly less susceptible to contamination.
  • the measurement can be carried out directly in the roller, which makes the measurement significantly more precise.
  • the sensor can be embodied, for example, as a MEMS sensor (MEMS: Micro-Electro-Mechanical System).
  • MEMS Micro-Electro-Mechanical System
  • the sensor is preferably in a data connection with at least one data transmitter, the data transmitter being designed for contactless transmission of the measured values of the at least one sensor to a data receiver.
  • the data transmitter is preferably arranged on or in the same roller as the sensor with which it has a data connection.
  • the data transmitter particularly preferably contains an antenna.
  • At least one roller in particular both rollers, advantageously contains a plurality of the sensors described above, in particular at least two, preferably at least four, more preferably at least six sensors, which are contained in the roller. More preferably, several sensors are in data connection with the at least one data transmitter.
  • the sensors can be arranged at different positions along an axis of rotation of the roller and/or at different angles around this axis of rotation. The more sensors the roller contains and the more evenly they are distributed, the more meaningful are the measured values recorded by them.
  • the sensors are preferably arranged uniformly in the circumferential direction, resulting in a rotational balance.
  • the roller can contain several temperature sensors and deformation sensors.
  • all of the existing sensors can be of the same type, that is, for example, can be designed as a temperature sensor.
  • at least one roller, in particular both rollers can contain sensors of different types.
  • one or both rollers contains several sensors as well as at least one data transmitter, it is preferred if the at least one data transmitter is designed for contactless transmission of the measured values from several of the sensors, more preferably from all sensors, to a data receiver.
  • At least one roll, in particular both rolls, preferably contains at most only one roll, in particular prefers exactly one single data transmitter for contact-free transmission of the measured values. The fewer data transmitters the roll contains, the simpler the structure of this roll.
  • this roller in particular both rollers, preferably contains at least one multiplexer which is arranged and designed to alternately transmit the measured values detected by the sensors to the data transmitter.
  • the contactless transmission can take place, for example, by infrared radiation, by light pulses, by radio frequency signals, by inductive coupling or by a combination thereof.
  • the contactless transmission of the measured values always also includes the transmission of data which are obtained by appropriate processing of the measured values and which are therefore based on the measured values.
  • at least one roller in particular both rollers, can contain at least one signal converter, in particular at least one A/D converter, for converting the measured values recorded by the at least one sensor.
  • each sensor can be assigned at least one signal converter, which converts the measured values recorded by this sensor.
  • the converted signals can then be fed to a multiplexer as already described above.
  • the signal converter is an A/D converter
  • the multiplexer can be a digital multiplexer.
  • the signal converter can also be arranged between a multiplexer as described above and the data transmitter. In this case, the multiplexer can be an analog multiplexer.
  • At least one roller in particular both rollers, contains in particular a roller body described further below at least one roller, in particular both rollers, at least one energy receiver and/or at least one energy generator.
  • the at least one sensor and/or at least one multiplexer in particular at least one multiplexer as described above
  • at least one signal converter in particular at least one signal converter as described above
  • the at least one data transmitter in particular the on or data transmitter contained in the roller
  • the said battery may contain or contain a rechargeable battery in particular, with the aid of which the said energy supply can be achieved.
  • Conventional and rechargeable batteries (accumulators) are known.
  • the energy receiver can have, for example, at least one receiving coil, with the help of which electromagnetic energy can be inductively coupled.
  • the energy receiver can also be designed to receive light energy.
  • the energy generator can be designed to generate energy from the movement of the roller (in particular using thermoelectric effects, such as the Seebeck effect, Peltier effect or Thomson effect, for example with the help of a thermocouple; or using vibrations or movements of the roller, e.g. with the help of at least one piezo element).
  • At least one roller in particular both rollers, contains at least one circuit board (in particular a MEMS circuit board) on which the at least one sensor and/or at least one multiplexer (in particular at least one multiplexer as described above) and/or at least one signal converter (in particular at least one signal converter as described above) and/or at least one data transmitter (in particular the data transmitter contained on or in the roller) and/or at least one energy receiver (in particular at least one energy receiver as described above) and/or at least one energy generator (in particular at least one energy generator as described above) are arranged.
  • the printed circuit board can contain measuring lines via which the sensors are connected to the multiplexer.
  • Such a printed circuit board has the advantage that the components mentioned can be arranged very compactly on it and that the printed circuit board can be manufactured as a separate assembly and, at least in some exemplary embodiments, can be replaced again if necessary.
  • the sensors can also be connected to the data transmitter and/or the multiplexer via a cable harness.
  • At least one roller in particular both rollers, comprises a roller body with at least one receiving opening, into which the sensor can be inserted or inserted, in particular in a detachable manner.
  • the senor is inserted non-detachably in the receiving opening. In this way, the sensor can be more securely connected to the roller body. In addition, unauthorized removal of the sensor, which could compromise security, can be prevented.
  • the sensor can, for example, be encapsulated (for example with the aid of a resin) or welded into the receiving opening. This also avoids the risk of explosions, so that in particular the ATEX guidelines of the European Union can be met.
  • the receiving opening is preferably formed by a cylindrical bore, which has a diameter in the range from 5 mm to 40 mm, preferably from 5 mm to 25 mm, particularly preferably from 10 mm to 20 mm, with the opening area of the bore preferably having an area of 10 to 50 mm, preferably 20 to 40 mm, with a somewhat larger diameter and particularly preferably a thread for firmly receiving the ceramic material cap described below.
  • This bore preferably extends parallel to an axis of rotation of the roller body.
  • the receiving opening is preferably arranged in an outer area of the roller body.
  • the receiving opening can be located in a cylindrical ring-shaped area of the roller body.
  • the receiving opening preferably extends essentially along the length of the roller body parallel to the axis of rotation, for example along at least 10%, preferably at least 20%, particularly preferably between 50% and 100% of the entire length of the roller body, with 100% corresponding to a through hole.
  • the at least one receiving opening is preferably arranged in such a way that a mass balance is taken into account, since this means that the roller does not have to be balanced.
  • the sensor is preferably rod-shaped. According to the invention, it is also possible to arrange several sensors in the form of a single rod-shaped measuring device, which can be introduced into the receiving opening.
  • the present invention solves the problem of the prior art of securely arranging the sensor in the receiving opening of the roller and also protecting it reliably against conceivable extreme operating conditions and also ensuring reliable transmission of the radio signals from the sensor to a data receiver arranged outside the roller.
  • this is achieved in that the sensor is enclosed in the receiving opening by means of a cap made of ceramic material.
  • the cap made of ceramic material has better temperature resistance and also enables improved transmission of the radio signals from the sensor to a data receiver arranged outside the roller.
  • any ceramic material that is food-safe (according to the regulations EN10/2011, 84/500/EEC), impact-resistant (no material splintering under the operating conditions of the roller) and temperature-resistant (at least up to a temperature of 400° C.) can be used as the ceramic material.
  • the ceramic material to be used according to the invention should be permeable to electromagnetic waves in the relevant range of radio signal transmission (in particular at around 2.4 GHz).
  • the ceramic material has a high relative Permittivity, preferably in the range from 5 to 50, particularly preferably in the range from 25 to 30.
  • zirconium oxide (ZrO 2 ), aluminum oxide (Al 2 O 3 ) or silicon nitride (Si 3 N 4 ) can be used as the ceramic material.
  • the ceramic material is particularly preferred zirconium oxide (ZrO 2 ).
  • the cap made of ceramic material preferably has an external thread, an internal thread or both an external thread and an internal thread.
  • the cap can be securely fastened to the sensor or the measuring device.
  • the cap can be securely fastened in the receiving opening (if this has a corresponding mating thread in the opening area).
  • the cap made of ceramic material is preferably cylindrical and has an interior space for accommodating the sensor or the data transmitter, at least in one section.
  • the cap made of ceramic material is closed at one end so that the cap, when it is placed in the receiving opening of the roller, closes off this receiving opening from the environment.
  • This end preferably has parts for arranging a tool for assembling or disassembling the cap with the sensor or the measuring device. These parts can be depressions, for example, in which corresponding components of the tool can be firmly arranged.
  • the cap made of ceramic material preferably has a length in the range from 10 to 50 mm, preferably 15 to 40 mm and particularly preferably 20 to 30 mm.
  • the cap made of ceramic material also preferably has an outside diameter in the range of 10 to 50 mm, preferably 15 to 40 mm and particularly preferably 20 to 30 mm.
  • the cap made of ceramic material also preferably has an interior space for accommodating the sensor or the data transmitter, which has a length in the range from 5 to 20 mm, preferably 10 to 15 mm, and a diameter in the range from 10 to 30 mm, preferably 15 to 25 mm, whereby the diameter can vary over the length of the interior space within the specified range.
  • the cap made of ceramic material is additionally fixed by means of a fastening device at the outer end of the receiving opening of the roller.
  • This fastening device is preferably a ring made of a metallic material, for example steel.
  • the fastening device has a geometry which ensures that the fastening device is fixed on the cap made of ceramic material and that it is fixed in the receiving opening of the roller.
  • the fastening device can be a ring with an outer diameter in the range of 20 to 30 mm and an inner diameter in the range of 10 to 20 mm, the width of the ring should be in the range of 3 to 10 mm.
  • the senor or the data transmitter is at least in a section made of a material with high electrical conductivity (greater than 10 6 S/m), preferably a metal, for example aluminum or copper, to improve the emission or reception of a surrounded by radio signals.
  • This material is preferably provided in the form of a foil or a ring, which the sensor or the data transmitter preferably in the head region (ie the region which is inserted into the interior of the ceramic material cap).
  • the present invention further relates to a product processing plant, in particular a grain mill, containing at least one pair of grinding rollers with a roller according to the invention.
  • the product processing system for processing a product contains at least one pair of rollers described above, in particular a pair of grinding rollers.
  • a nip is formed between the rollers of the roller pair.
  • a grinding gap is formed between the grinding rollers of a pair of grinding rollers.
  • only one of the two rollers of the pair of rollers has to be designed according to the invention; however, the invention also covers embodiments in which both rollers of the pair of rollers are designed according to the invention, ie contain at least one sensor as described above. In particular when grinding material to be ground, this material to be ground is guided essentially vertically downwards through such a grinding gap.
  • this material to be ground is preferably fed to the grinding rollers by means of its gravity, and this can optionally be supported pneumatically.
  • the product, in particular the bulk material, in particular the ground material can be granular and can move through the grinding gap as a fluid stream.
  • the product processing system can have at least one, in particular stationary, data receiver for receiving the measured values transmitted by the data transmitter of at least one of the rollers, in particular both rollers, of the pair of rollers.
  • the grinding installation can be, for example, a single roller mill of a grain mill or an entire grain mill with at least one roller mill, with at least one roller mill containing at least one grinding roller as described above.
  • it can be a high-pressure grinding mill in milling, a flaking mill for oil production from oilseeds, or a crushing mill in the oil or animal feed industry.
  • the present invention further relates to a method for operating such a product processing plant, comprising the step of detecting the state of a grinding roller according to the invention by means of the sensor arranged in the grinding roller.
  • the method includes a step in which measured values transmitted by a data transmitter of at least one of the rollers, in particular both rollers, of the pair of rollers are received with the data receiver of the product processing system.
  • the data thus received can then be further processed and evaluated. For this purpose, they can be fed to a control unit of the product processing plant, in particular the grinding plant, from where they can be passed on to an optional higher-level control system.
  • the entire product processing plant, in particular the entire grinding plant, or a part thereof can be controlled and/or regulated with the aid of the control unit and/or the control system.
  • a warning message can be output by the control unit if a predefined warning criterion is met.
  • the warning criterion can consist, for example, in the fact that the measured value of at least one of the sensors exceeds a limit value specified for this sensor. In another variant, the warning criterion can consist in the fact that the difference between the largest measured value and the smallest measured value measured by a specified set of sensors exceeds a specified limit value. If the warning criterion is met, a warning signal can be issued (for example optically and/or acoustically) and/or the product processing system can be brought to a standstill (for example by the control unit). In addition, the control unit can visualize the measured values recorded by the at least one sensor or data obtained therefrom.
  • the step of detecting the state of the grinding roller is particularly preferably carried out continuously during operation of the product processing system, so that any problem can be detected and eliminated promptly.
  • the grinding roller 1 shows a schematic view of a grinding roller 1 according to the invention with a sensor 2 arranged therein.
  • the grinding roller 1 according to this embodiment has four receiving openings 1a (in 2 shown in more detail), in which a sensor 2 or a measuring device with a plurality of sensors can be arranged.
  • the receiving openings 1a are arranged symmetrically (to avoid imbalances) in the peripheral area of the roll, ie close to the lateral surface of the roll, in order to determine the physical values corresponding to the roll surface.
  • FIG. 2 shows a schematic view of a receiving opening 1a of a grinding roller 1 according to the invention with a sensor 2 arranged therein.
  • the sensor 2 is located completely in the receiving opening 1a.
  • a cap 4 made of ceramic material, preferably zirconium oxide, is fixed on the head 3 of the sensor 2 .
  • the cap 4 made of ceramic material closes off the receiving opening 1a from the environment and thus protects the sensor 2 and prevents any product contamination due to damage to the sensor 2.
  • the cap 4 made of ceramic material is fixed to the outer end of the receiving opening 1a with the aid of a fastening device 5, preferably a steel ring.
  • the senor 2 In order to improve the emission or reception of a radio signal, the sensor 2 according to this embodiment is surrounded in the area of its head 3 by a material 6 with high electrical conductivity, preferably a metal. According to the embodiment shown here, the material 6 with high electrical conductivity surrounds the head 3 of the sensor 2 in the form of a film or a ring.
  • FIG 3 shows a schematic view of a cap 4 made of ceramic material.
  • the cap 4 has an interior (in the form of a blind hole) for receiving the sensor 2 and is designed at its closed end in such a way that a fastening device such as that in 4 Ring 5 shown can be fixed.
  • FIG. 4 shows a schematic view of a fastening device 5, here in the form of a metal ring.
  • the fastening device 5 is designed in such a way that it can be mounted on a cap 4 made of ceramic material, such as that in 3 shown cap 4 can be fixed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Glass Compositions (AREA)
  • Measuring Fluid Pressure (AREA)
  • Saccharide Compounds (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Claims (13)

  1. Cylindre de broyage (1) destiné à être utilisé dans une paire de cylindres de broyage, en particulier une paire de cylindres à céréales, comprenant
    - au moins un capteur (2) pour la saisie de valeurs de mesure qui caractérisent un état du cylindre de broyage, le capteur (2) étant disposé dans une ouverture de réception (1a) du cylindre de broyage (1),
    - au moins un émetteur de données (3) pour la transmission sans contact des valeurs de mesure du au moins un capteur (2) à un récepteur de données,
    caractérisé en ce que le capteur (2) est enfermé dans l'ouverture de réception (1a) au moyen d'un capuchon (4) en matériau céramique.
  2. Cylindre de broyage selon la revendication 1, dans lequel le capuchon (4) en matériau céramique est fixé à l'extrémité extérieure de l'ouverture de réception (1a) au moyen d'un dispositif de fixation (5).
  3. Cylindre de broyage selon la revendication 2, dans lequel le dispositif de fixation (5) est un collier en un matériau métallique.
  4. Cylindre de broyage selon l'une quelconque des revendications précédentes, dans lequel le capuchon (4) est fabriqué en matériau céramique en oxyde de zirconium (ZrO2).
  5. Cylindre de broyage selon l'une quelconque des revendications précédentes, dans lequel le capteur (2) est entouré, au moins dans une section, par un matériau (6) à haute conductivité électrique, de préférence un métal, pour améliorer la sortie ou la réception d'un signal radio.
  6. Cylindre de broyage selon la revendication 5, dans lequel le capteur (2) est entouré dans la zone de sa tête (3) par le matériau (6) à haute conductivité électrique.
  7. Cylindre de broyage selon la revendication 5 ou 6, dans lequel le matériau (6) à haute conductivité électrique entoure le capteur (2) sous la forme d'une feuille ou d'un collier.
  8. Cylindre de broyage selon l'une quelconque des revendications précédentes, dans lequel le capteur (2) comporte au moins une unité d'alimentation en énergie du capteur (2), de préférence une batterie.
  9. Cylindre de broyage selon l'une quelconque des revendications précédentes, dans lequel le capteur (2) comprend au moins un composant électronique pour la transmission de données, la conversion de signaux, ou les deux.
  10. Paire de cylindres de broyage, en particulier paire de cylindres de broyage de céréales, comprenant au moins un cylindre de broyage (1) selon l'une quelconque des revendications précédentes 1 à 9.
  11. Installation de traitement de produits, en particulier moulin à céréales, contenant au moins une paire de cylindres de broyage selon la revendication 10.
  12. Procédé de l'opération d'une installation de traitement de produits selon la revendication 11, comprenant l'étape de détection de l'état d'un cylindre de broyage (1) selon l'une quelconque des revendications 1 à 8, au moyen du capteur (2) disposé dans le cylindre de broyage (1).
  13. Procédé selon la revendication 12, caractérisé en ce que l'étape de détection de l'état du cylindre de broyage (1) est réalisée en continu pendant l'opération de l'installation de traitement de produits.
EP19193455.3A 2019-08-23 2019-08-23 Rouleau avec un capteur Active EP3782732B1 (fr)

Priority Applications (8)

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EP19193455.3A EP3782732B1 (fr) 2019-08-23 2019-08-23 Rouleau avec un capteur
ES19193455T ES2930874T3 (es) 2019-08-23 2019-08-23 Cilindro con un sensor
BR112022003191A BR112022003191A2 (pt) 2019-08-23 2020-08-07 Cilindro com um sensor
CN202080056508.7A CN114206505B (zh) 2019-08-23 2020-08-07 具有传感器的轧辊
US17/753,105 US20220288599A1 (en) 2019-08-23 2020-08-07 Roller with a sensor
PCT/EP2020/072253 WO2021037525A1 (fr) 2019-08-23 2020-08-07 Cylindre pourvu d'un capteur
KR1020227006504A KR102645805B1 (ko) 2019-08-23 2020-08-07 센서를 갖는 롤러
JP2022512718A JP7357147B2 (ja) 2019-08-23 2020-08-07 センサを備えたローラ

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Application Number Priority Date Filing Date Title
EP19193455.3A EP3782732B1 (fr) 2019-08-23 2019-08-23 Rouleau avec un capteur

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EP3782732B1 true EP3782732B1 (fr) 2022-09-28

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EP (1) EP3782732B1 (fr)
JP (1) JP7357147B2 (fr)
KR (1) KR102645805B1 (fr)
CN (1) CN114206505B (fr)
BR (1) BR112022003191A2 (fr)
ES (1) ES2930874T3 (fr)
WO (1) WO2021037525A1 (fr)

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CN113701736B (zh) * 2021-09-03 2022-11-25 南京沃旭通讯科技有限公司 一种基于六轴传感器的轧辊转速智能识别方法

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US20220288599A1 (en) 2022-09-15
ES2930874T3 (es) 2022-12-22
WO2021037525A1 (fr) 2021-03-04
JP7357147B2 (ja) 2023-10-05
KR20220038759A (ko) 2022-03-29
CN114206505A (zh) 2022-03-18
KR102645805B1 (ko) 2024-03-07
CN114206505B (zh) 2023-05-09
JP2022545290A (ja) 2022-10-26
EP3782732A1 (fr) 2021-02-24
BR112022003191A2 (pt) 2022-05-17

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