EP2621621B1 - Dispersing device comprising a temperature sensor - Google Patents

Dispersing device comprising a temperature sensor Download PDF

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Publication number
EP2621621B1
EP2621621B1 EP11735786.3A EP11735786A EP2621621B1 EP 2621621 B1 EP2621621 B1 EP 2621621B1 EP 11735786 A EP11735786 A EP 11735786A EP 2621621 B1 EP2621621 B1 EP 2621621B1
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EP
European Patent Office
Prior art keywords
shaft tube
dispersing device
temperature detector
dispersing
drive
Prior art date
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Application number
EP11735786.3A
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German (de)
French (fr)
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EP2621621A1 (en
Inventor
Axel Kaufmann
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.)
IKA Werke GmbH and Co KG
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IKA Werke GmbH and Co KG
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Publication of EP2621621A1 publication Critical patent/EP2621621A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
    • B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/86—Mixing heads comprising a driven stirrer
    • B01F33/862—Mixing heads comprising a driven stirrer the stirrer being provided with a surrounding stator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/211—Measuring of the operational parameters
    • B01F35/2115—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/21—Measuring
    • B01F35/2135—Humidity, e.g. moisture content
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/2201—Control or regulation characterised by the type of control technique used
    • B01F35/2209—Controlling the mixing process as a whole, i.e. involving a complete monitoring and controlling of the mixing process during the whole mixing cycle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/20—Measuring; Control or regulation
    • B01F35/22—Control or regulation
    • B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
    • B01F35/2214—Speed during the operation
    • B01F35/22142—Speed of the mixing device during the operation

Definitions

  • the invention relates to a dispersing device with a dispersing tool having a shaft tube, at the free end facing away from a drive, a dispersing rotor is provided which can be driven via a rotatable shaft connected to the drive and arranged in this shaft tube.
  • a comparable dispersing device is made DE 10 2004 009 708 B3 known.
  • Favorable is the ease of use when connecting shaft tube and dispersing tool with the drive.
  • desirable temperature determination of the media to be dispersed additional measures or instruments are required, which means automatically corresponding effort.
  • Such a dispersing device is also known from DE 1117546 B known.
  • a sterilization device is described which can be pulled over the shaft tube, if its sterilization is required.
  • This sterilizer includes an electrical heating resistor whose temperature can be monitored by a thermostat.
  • a temperature sensor is arranged with an associated electrical supply and discharge to the fixed shaft tube and fixedly connected thereto.
  • a temperature sensor responsible for monitoring the temperature with its inlet and outlet can be mounted and connected.
  • a separate installation of a temperature sensor or a manual temperature measurement can be avoided by the temperature sensor or sensor is firmly connected to the shaft tube.
  • the temperature sensor when the temperature sensor is thermally insulated from the shaft tube receiving the shaft.
  • the temperature sensor preferably measures the temperature of the surrounding medium to be dispersed. Influencing the measurement results due to the (friction) heat generated during the rotation of the shaft and / or its bearings can thus be avoided with a high degree of probability.
  • the temperature sensor on the outside of the shaft tube projecting angled and / or bent, preferably in the region of the drive end facing away from the shaft tube is arranged.
  • the protruding arrangement of the temperature sensor on the outside of the shaft tube can provide an insulating distance to the shaft tube and allow the temperature sensor is in use position up to its attachment point on the shaft tube surrounded by the medium to be dispersed, so not applied to the shaft tube.
  • the most accurate possible determination of the temperature of the dispersion can be made because the temperature sensor has a distance from the shaft tube and thus also to the rotating shaft and its storage.
  • the temperature sensor is pivotable from the outside of the shaft tube via a pivot joint arranged on the shaft tube of this in its projecting position of use. Due to the swivel joint, the temperature sensor, in particular in dispersing, at where a temperature monitoring is not necessary to remain in its non-use position or be swung back into this position, for example, to be better protected from impending wear. However, as soon as a temperature monitoring is needed, the temperature sensor can be swung out of the shaft tube into its protruding position of use for determining the temperature of the media to be dispersed due to the existing pivot joint.
  • the temperature sensor is spread apart by a spring force of the shaft tube.
  • the temperature sensor for introducing the dispersing tool for example into a narrow vessel opening, can first be pressed by the user into its non-use position against the shaft tube in order not to hinder the insertion of the shaft tube into the vessel opening by a protruding temperature sensor.
  • the temperature sensor can automatically spread in its intended use position of the shaft tube by means of the spring force.
  • the free end of the shaft tube near the end of the temperature sensor protrudes from the shaft tube.
  • the temperature sensor can be pressed against the spring force solely by pulling the dispersing tool out of the vessel and passing the constriction into its non-use position. This can avoid that the temperature sensor is damaged and / or this gets stuck in the bottleneck of the vessel. It is particularly advantageous if the temperature sensor protrudes in the use position at an acute angle of the shaft tube. The acute angle between the shaft tube and the temperature sensor can simplify the extraction of the dispersing tool from narrow openings.
  • the inlet and outlet which connects the temperature sensor with an evaluation and / or with a drive, is arranged on the outside of the shaft tube and / or within the shaft tube.
  • the supply and discharge of the Temperturplexlers in a disturbing manner, e.g. gets into the adjusting during the dispersing turbulent region of the medium and is damaged.
  • the inlet and outlet can also be protected by such an arrangement directly on the shaft tube well against possible damage during handling and operation of the dispersing device.
  • a particularly advantageous embodiment of the dispersing device according to the invention can provide that the inlet and outlet is a metal and / or gold coating and / or an electrically conductive foil, which is fastened in particular on the outside of the shaft tube.
  • a metal and / or gold coating as inlet and outlet for the temperature sensor can be particularly space-saving and thus well protected secured to the shaft tube.
  • the use of an electrically conductive foil as an inlet and outlet is a space-saving and well-protected connection of the temperature sensor to the transmitter and / or the drive. Furthermore, such a design of the inlet and outlet favors the cleaning of the shaft tube after its use.
  • the supply and discharge of the temperature sensor within a In particular provided on the outside of the shaft tube groove and / or recess is arranged, it can be particularly well protected against damage and optionally also formed as a wire or stranded wire.
  • Another measure to protect the inlet and outlet from damage and especially against possible contamination may be to incorporate the inclusion of the inlet and outlet serving groove inside the shaft tube and / or in the inside surface.
  • the inlet and outlet is formed by a cable and / or a cable connection.
  • the shaft tube for receiving the inlet and outlet of the temperature sensor may have a channel of any cross-section.
  • the drive and / or the evaluation electronics may also be expedient for the drive and / or the evaluation electronics to have a control or regulating device for the drive for processing the measured data of the temperature sensor and for controlling or regulating the drive.
  • Dispersing devices equipped in this way also enable an automatic dispersing operation independent of a user or user, in which, for example, the processing time and / or the rotational speed with which the dispersing rotor is driven can be controlled in dependence on the temperature of the medium to be dispersed as measured by the temperature sensor. or is controllable.
  • a favorable embodiment of the invention can provide that the dispersing device has a display for displaying the operating parameters, in particular for displaying the temperatures measured by the temperature sensor. Such a display allows the visual inspection of the dispersing device.
  • the temperature sensor in the use position of the dispersing device in the vertical direction slidably disposed on the shaft tube. It is thus possible to measure the temperature of the medium at different heights and / or at different distances from the dispersing rotor and to set the most favorable measuring position.
  • the dispersing device has, in addition to the temperature sensor, a moisture sensor, which moisture sensor is preferably arranged at the same height or approximately the same distance from the slotted region as the temperature sensor on the shaft tube.
  • a moisture sensor which moisture sensor is preferably arranged at the same height or approximately the same distance from the slotted region as the temperature sensor on the shaft tube.
  • the moisture sensor is arranged at the same point as the temperature sensor, in particular connected to this and / or fixed thereto.
  • the temperature sensor may be arranged near a slotted region of the free end of the shaft tube, within which slotted region of the dispersing rotor is provided. So it is possible to record the temperature as close to the dispersing rotor, but without the temperature sensor through to endanger the turbulence which occurs due to the interaction of the dispersing rotor with the slotted region of the shaft tube.
  • the inlet and outlet of the temperature sensor in the direction of extension of the longitudinal central axis of the shaft tube, that is parallel to this, is arranged.
  • a designated as a whole with 1 dispersing device according to Fig. 1 a shank tube 2 exhibiting dispersing tool 3, facing away from the free, a drive 4 and in Use position lower end 5 a laterally slotted area 6 is provided.
  • a dispersing rotor which is driven by a shaft and not visible in the figures, which, in interaction with the slotted region 6, transfers the shearing forces necessary for dispersing to the medium to be dispersed and, to that extent, the dispersing tool DE 10 2004 009 708 B3 equivalent.
  • the slots of this region 6 extend parallel to the longitudinal extension of the shaft tube 2 and are open in the direction of the free end 5.
  • the inlet and outlet 8 runs according to Fig. 2 from the temperature sensor 7 via the outside of the shaft tube 2 in the direction of the drive 4 and connects it in the coupled position of use of the dispersing tool 3 with the temperature sensor.
  • the temperature sensor 7 is thermally insulated from the shaft tube 2 receiving the shaft.
  • Fig. 2 further shows that the temperature sensor 7 from the outside of the shaft tube 2 via an arranged on the shaft tube 2 pivot 9 from this in his projecting and thereby isolated use position is pivotable.
  • the temperature sensor 7 If the temperature sensor 7 is pivoted back into a position lying on the shaft tube 2, it can be retracted in a recess or in a groove 71, so that it does not protrude beyond the outer contour of the shaft tube 2 and is well protected. In particular, for the storage of the dispersing tool 3, this is advantageous because the temperature sensor 7 can be so well protected against possible damage.
  • the embodiment of the invention shown in the figures has a temperature sensor 7 which projects at an acute angle and with its free end of the shaft tube 5 near end 10 in order to take the greatest possible distance to the shaft tube 2.
  • thermosensor 7 projects in the opposite direction and / or for example at right angles from the shaft tube 2.
  • Fig. 2 shows that the inlet and outlet 8, the temperature sensor 7 with an evaluation and / or with the drive 4, apparent from Fig. 1 , connects, is arranged on the outside of the shaft tube 2. It is also conceivable that the inlet and outlet 8 can be arranged within the shaft tube 2.
  • the inlet and outlet 8 is a particularly good electrically conductive metal and / or gold coating.
  • Fig. 2 It can be seen that the inlet and outlet 8 of the temperature sensor 7 is applied to the outside of the shaft tube 2, in particular vapor-deposited.
  • the supply and discharge line 8 is formed by a cable and / or a cable connection.
  • the shaft tube 2 is provided for receiving this cable or this cable connection with a channel of any cross-section, which determines this supply and discharge 8 securely and well shielded.
  • the dispersing tool 3 for mechanical connection to the drive 4 has a plug-in coupling 11 on the end of the shaft tube 2 facing the drive 4 in the position of use of the dispersing tool 3.
  • Fig. 2 also shows that this plug-in connector 11 has electrical contacts, in the present embodiment, two spring contacts 12, via which the supply and discharge 8 of the temperature sensor 7 to the drive 4 and / or the transmitter is electrically contacted.
  • dispersing device 1 in a partially automated and / or fully automated dispersing the drive 4 and / or the evaluation is equipped with a control or regulating device for the drive 4 for processing the measurement data of the temperature sensor 7 and for controlling or regulating the drive 4.
  • a control or regulating device for the drive 4 for processing the measurement data of the temperature sensor 7 and for controlling or regulating the drive 4.
  • dispersing operations can be automatically controlled or regulated depending on the temperature setting of the medium or the dispersion.
  • the speed of the shaft and the dispersing rotor can be reduced until the medium has cooled down again or the drive 4 can through the control or regulating device are shut down.
  • the dispersing device 1 has a display 13 for displaying the operating parameters, in particular for displaying the temperature values measured by the temperature sensor 7.
  • the temperature sensor 7 in the use position of the dispersing device 1 in the vertical direction on the shaft tube 2 is displaceable. If the temperature sensor 7 is provided on the shaft tube 2 and / or in a groove with a linear actuator, its height adjustment can even be done automatically.
  • a further, not shown in the figures embodiment of the invention provides that the dispersing device 1 in addition to the temperature sensor 7 has a humidity sensor.
  • any dry running of the dispersing device 1 is conditioned, for example, by a lowering of the level the medium detected in a timely manner and damage that could occur due to which in particular the storage of the wave are avoided.
  • the moisture sensor is preferably arranged at the same height or at the same distance from the slotted region 6 and at the same location as the temperature sensor 7 on the shaft tube 2 or directly connected to the temperature sensor 7 or attached thereto.
  • the humidity sensor can be splayed together with the temperature sensor 7 of the shaft tube 2 in the position of use and checked with high reliability by means of a moisture measurement, if the temperature sensor 7 is properly positioned in the medium to be dispersed or if it is outside the medium and there Temperature of the surrounding air.
  • the moisture sensor is in another embodiment of the invention together with the temperature sensor 7 in the position described in the use position on the Stem tube 2 mounted vertically adjustable in the vertical direction.
  • the dispersing device designated as a whole by 1 has a dispersing tool 3 having a shaft tube 2 and a drive 4. At the free end 5 of the shaft tube 2 facing away from the drive 4, a dispersing rotor is provided, which can be coupled to the drive 4 and within the shaft tube 2 arranged shaft is connected to this drive 4. To monitor the temperature of the medium to be dispersed a temperature sensor 7 with associated electrical supply and discharge line 8 is provided on the relatively fixed to the dispersing rotor and the rotatable shaft shaft tube 2, which supply and discharge 8 the temperature sensor 7 to the drive 4 and / or an evaluation and / or a control - or control device connects.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Accessories For Mixers (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • General Induction Heating (AREA)

Description

Die Erfindung betrifft eine Dispergiervorrichtung mit einem ein Schaftrohr aufweisenden Dispergierwerkzeug, an dessen freien, einem Antrieb abgewandten Ende ein Dispergierrotor vorgesehen ist, welcher über eine mit dem Antrieb verbundene, in diesem Schaftrohr angeordnete, drehbare Welle antreibbar ist.The invention relates to a dispersing device with a dispersing tool having a shaft tube, at the free end facing away from a drive, a dispersing rotor is provided which can be driven via a rotatable shaft connected to the drive and arranged in this shaft tube.

Eine vergleichbare Dispergiervorrichtung ist aus DE 10 2004 009 708 B3 bekannt. Günstig ist dabei die einfache Handhabung beim Verbinden von Schaftrohr und Dispergierwerkzeug mit dessen Antrieb. Für eine in manchen Fällen erwünschte Temperaturbestimmung der zu dispergierenden Medien sind zusätzliche Maßnahmen oder Instrumente erforderlich, was automatisch entsprechenden Aufwand bedeutet.A comparable dispersing device is made DE 10 2004 009 708 B3 known. Favorable is the ease of use when connecting shaft tube and dispersing tool with the drive. For in some cases desirable temperature determination of the media to be dispersed additional measures or instruments are required, which means automatically corresponding effort.

Eine derartige Dispergier-Vorrichtung ist auch aus der DE 1117546 B bekannt. Dabei ist eine Sterilisiervorrichtung beschrieben, die über das Schaftrohr gezogen werden kann, wenn dessen Sterilisation erforderlich ist. Diese Sterilisiervorrichtung enthält einen elektrischen Heizwiderstand, dessen Temperatur durch einen Thermostaten überwacht werden kann. Bei Benutzung dieser Dispergier-Vorrichtung ist eine eventuell erwünschte Temperaturbestimmung der zu dispergierenden Medien ebenfalls nur mit Hilfe von zusätzlichen Maßnahmen oder Instrumenten mit einem entsprechenden Aufwand möglich.Such a dispersing device is also known from DE 1117546 B known. In this case, a sterilization device is described which can be pulled over the shaft tube, if its sterilization is required. This sterilizer includes an electrical heating resistor whose temperature can be monitored by a thermostat. When using this dispersing device is a possibly Desired temperature determination of the media to be dispersed also possible only with the help of additional measures or instruments with a corresponding effort.

Es besteht deshalb die Aufgabe, eine Dispergiervorrichtung der eingangs definierten Art zu schaffen, bei welcher der Vorteil der einfachen Handhabung von Schaftrohr und Dispergierwerkzeug erhalten bleibt und dennoch eine einfach zu handhabende Temperaturbestimmung möglich ist.There is therefore the object to provide a dispersing device of the type defined, in which the advantage of easy handling of shaft tube and dispersing tool is maintained and yet an easy-to-use temperature determination is possible.

Zur Lösung dieser Aufgabe ist vorgesehen, dass ein Temperaturfühler mit einer zugehörigen elektrischen Zu- und Ableitung an dem feststehenden Schaftrohr angeordnet und mit diesem fest verbunden ist.To solve this problem, it is provided that a temperature sensor is arranged with an associated electrical supply and discharge to the fixed shaft tube and fixedly connected thereto.

Somit kann durch die Montage des Dispergierwerkzeuges und seines Schaftrohres auch ein für die Überwachung der Temperatur zuständiger Temperaturfühler mit seiner Zu- und Ableitung montiert und angeschlossen werden. Eine separate Installation eines Temperaturfühlers oder eine manuelle Temperaturmessung kann dadurch vermieden werden, dass der Temperaturfühler oder -sensor mit dem Schaftrohr fest verbunden ist.Thus, by installing the dispersing tool and its shaft tube, a temperature sensor responsible for monitoring the temperature with its inlet and outlet can be mounted and connected. A separate installation of a temperature sensor or a manual temperature measurement can be avoided by the temperature sensor or sensor is firmly connected to the shaft tube.

Dabei kann es von besonderer Bedeutung für die erfindungsgemäße Dispergiervorrichtung sein, wenn der Temperaturfühler gegenüber dem die Welle aufnehmenden Schaftrohr thermisch isoliert ist. So ist es möglich, dass der Temperaturfühler vorzugweise die Temperatur des ihn umgebenden, zu dispergierenden Mediums misst. Eine Beeinflussung der Messergebnisse aufgrund der bei der Rotation der Welle und/oder ihrer Lager entstehenden (Reibungs-) Wärme kann so mit einer hohen Wahrscheinlichkeit vermieden werden.It may be of particular importance for the dispersing device according to the invention, when the temperature sensor is thermally insulated from the shaft tube receiving the shaft. Thus, it is possible that the temperature sensor preferably measures the temperature of the surrounding medium to be dispersed. Influencing the measurement results due to the (friction) heat generated during the rotation of the shaft and / or its bearings can thus be avoided with a high degree of probability.

Besonders günstig kann es sein, wenn der Temperaturfühler an der Außenseite des Schaftrohres abstehend abgewinkelt und/oder abgebogen, vorzugsweise im Bereich des dem Antrieb abgewandten Endes des Schaftrohres angeordnet ist. Die abstehende Anordnung des Temperaturfühlers an der Außenseite des Schaftrohres kann eine isolierende Distanz zu dem Schaftrohr schaffen und ermöglichen, dass der Temperaturfühler in Gebrauchsstellung bis auf seine Befestigungsstelle an dem Schaftrohr von dem zu dispergierenden Medium umgeben ist, also nicht an dem Schaftrohr anliegt. So kann die möglichst genaue Bestimmung der Temperatur der Dispersion erfolgen, da der Temperaturfühler einen Abstand zu dem Schaftrohr und damit auch zu der rotierenden Welle und ihrer Lagerung hat.It can be particularly favorable if the temperature sensor on the outside of the shaft tube projecting angled and / or bent, preferably in the region of the drive end facing away from the shaft tube is arranged. The protruding arrangement of the temperature sensor on the outside of the shaft tube can provide an insulating distance to the shaft tube and allow the temperature sensor is in use position up to its attachment point on the shaft tube surrounded by the medium to be dispersed, so not applied to the shaft tube. Thus, the most accurate possible determination of the temperature of the dispersion can be made because the temperature sensor has a distance from the shaft tube and thus also to the rotating shaft and its storage.

Dabei kann es zweckmäßig sein, wenn der Temperaturfühler von der Außenseite des Schaftrohres über ein an dem Schaftrohr angeordnetes Schwenkgelenk von diesem in seine abstehende Gebrauchsstellung schwenkbar ist. Durch das Schwenkgelenk kann der Temperaturfühler, insbesondere bei Dispergiervorgängen, bei denen eine Temperaturüberwachung nicht notwendig ist, in seiner Nicht-Gebrauchsstellung verbleiben oder in diese Stellung zurückgeschwenkt werden, um beispielsweise vor drohendem Verschleiß besser geschützt zu sein. Sobald eine Temperaturüberwachung jedoch benötigt wird, kann der Temperaturfühler aufgrund des vorhandenen Schwenkgelenkes von dem Schaftrohr in seine abstehende Gebrauchsstellung zur Bestimmung der Temperatur der zu dispergierenden Medien ausgeschwenkt werden.It may be expedient if the temperature sensor is pivotable from the outside of the shaft tube via a pivot joint arranged on the shaft tube of this in its projecting position of use. Due to the swivel joint, the temperature sensor, in particular in dispersing, at where a temperature monitoring is not necessary to remain in its non-use position or be swung back into this position, for example, to be better protected from impending wear. However, as soon as a temperature monitoring is needed, the temperature sensor can be swung out of the shaft tube into its protruding position of use for determining the temperature of the media to be dispersed due to the existing pivot joint.

Dabei ist es auch möglich, dass der Temperaturfühler durch eine Federkraft von dem Schaftrohr abspreizbar ist. Dadurch kann der Temperaturfühler zum Einführen des Dispergierwerkzeugs beispielsweise in eine enge Gefäßöffnung zunächst durch einen Benutzer in seine Nicht-Gebrauchsstellung an das Schaftrohr angedrückt werden, um das Einführen des Schaftrohres in die Gefäßöffnung nicht durch einen abstehenden Temperaturfühler zu behindern. Sobald die Dispergiervorrichtung mit dem das Schaftrohr aufweisenden Dispergierwerkzeug durch die Engstelle im Inneren des Gefäßes positioniert ist und der Temperaturfühler die Engstelle passiert hat, kann sich der Temperaturfühler selbsttätig in seine bestimmungsgemäße Gebrauchsstellung von dem Schaftrohr mit Hilfe der Federkraft abspreizen.It is also possible that the temperature sensor is spread apart by a spring force of the shaft tube. As a result, the temperature sensor for introducing the dispersing tool, for example into a narrow vessel opening, can first be pressed by the user into its non-use position against the shaft tube in order not to hinder the insertion of the shaft tube into the vessel opening by a protruding temperature sensor. Once the disperser is positioned with the dispersing tool having the shaft tube through the constriction inside the vessel and the temperature sensor has passed the bottleneck, the temperature sensor can automatically spread in its intended use position of the shaft tube by means of the spring force.

Zum Herausziehen des Schaftrohres aus einer solchen engen Öffnung kann es ferner günstig sein, wenn das dem freien Ende des Schaftrohres nahe Ende des Temperaturfühlers von dem Schaftrohr absteht. Beim Passieren der Engstelle kann der Temperaturfühler gegen die Federkraft allein durch das Herausziehen des Dispergierwerkzeuges aus dem Gefäß und das Passieren der Engstelle in seine Nicht-Gebrauchsstellung gedrückt werden. So kann vermieden werden, dass der Temperaturfühler beschädigt wird und/oder sich dieser in der Engstelle des Gefäßes verhakt. Dabei ist es besonders günstig, wenn der Temperaturfühler in Gebrauchsstellung im spitzen Winkel von dem Schaftrohr absteht. Der spitze Winkel zwischen Schaftrohr und Temperaturfühler kann das Herausziehen des Dispergierwerkzeuges aus engen Öffnungen vereinfachen.To pull out the shaft tube from such a narrow opening, it may also be advantageous if the free end of the shaft tube near the end of the temperature sensor protrudes from the shaft tube. When passing the constriction, the temperature sensor can be pressed against the spring force solely by pulling the dispersing tool out of the vessel and passing the constriction into its non-use position. This can avoid that the temperature sensor is damaged and / or this gets stuck in the bottleneck of the vessel. It is particularly advantageous if the temperature sensor protrudes in the use position at an acute angle of the shaft tube. The acute angle between the shaft tube and the temperature sensor can simplify the extraction of the dispersing tool from narrow openings.

Außerdem kann es günstig sein, wenn die Zu- und Ableitung, die den Temperaturfühler mit einer Auswerteelektronik und/oder mit einem Antrieb verbindet, an der Außenseite des Schaftrohres und/oder innerhalb des Schaftrohres angeordnet ist. So kann vermieden werden, dass die Zu- und Ableitung des Temperturfühlers in störender Weise z.B. in den sich während des Dispergierens einstellenden turbulenten Bereich des Mediums gelangt und beschädigt wird. Die Zu- und Ableitung kann ferner durch eine derartige Anordnung direkt an dem Schaftrohr gut vor möglichen Beschädigungen während der Handhabung und des Betriebs der Dispergiervorrichtung geschützt sein.In addition, it may be advantageous if the inlet and outlet, which connects the temperature sensor with an evaluation and / or with a drive, is arranged on the outside of the shaft tube and / or within the shaft tube. Thus, it can be avoided that the supply and discharge of the Temperturfühlers in a disturbing manner, e.g. gets into the adjusting during the dispersing turbulent region of the medium and is damaged. The inlet and outlet can also be protected by such an arrangement directly on the shaft tube well against possible damage during handling and operation of the dispersing device.

Eine besonders vorteilhafte Ausführung der erfindungsgemäßen Dispergiervorrichtung kann vorsehen, dass die Zu- und Ableitung eine Metall- und/oder Goldbeschichtung und/oder eine elektrisch leitfähige Folie ist, die insbesondere an der Außenseite des Schaftrohres befestigt ist. Eine Metall- und/oder Goldbeschichtung als Zu- und Ableitung für den Temperaturfühler kann besonders platzsparend und somit gut geschützt an dem Schaftrohr befestigt sein. Auch die Verwendung einer elektrisch leitfähigen Folie als Zu- und Ableitung stellt einen platzsparenden und gut geschützten Anschluss des Temperaturfühlers an die Auswerteelektronik und/oder den Antrieb dar. Ferner begünstigt eine solche Ausbildung der Zu- und Ableitung das Reinigen des Schaftrohres nach seiner Benutzung.A particularly advantageous embodiment of the dispersing device according to the invention can provide that the inlet and outlet is a metal and / or gold coating and / or an electrically conductive foil, which is fastened in particular on the outside of the shaft tube. A metal and / or gold coating as inlet and outlet for the temperature sensor can be particularly space-saving and thus well protected secured to the shaft tube. The use of an electrically conductive foil as an inlet and outlet is a space-saving and well-protected connection of the temperature sensor to the transmitter and / or the drive. Furthermore, such a design of the inlet and outlet favors the cleaning of the shaft tube after its use.

Wenn die Zu- und Ableitung des Temperaturfühlers innerhalb einer insbesondere an der Außenseite des Schaftrohres vorgesehene Nut und/oder Vertiefung angeordnet ist, kann sie besonders gut vor Beschädigungen geschützt und gegebenenfalls auch als Draht oder Litze ausgebildet sein.If the supply and discharge of the temperature sensor within a In particular provided on the outside of the shaft tube groove and / or recess is arranged, it can be particularly well protected against damage and optionally also formed as a wire or stranded wire.

Eine weitere Maßnahme, um die Zu- und Ableitung vor Beschädigungen und besonders vor möglichen Verschmutzungen zu bewahren, kann sein, die der Aufnahme der Zu- und Ableitung dienende Nut innenseitig in das Schaftrohr und/oder in dessen innenseitige Oberfläche einzuarbeiten.Another measure to protect the inlet and outlet from damage and especially against possible contamination, may be to incorporate the inclusion of the inlet and outlet serving groove inside the shaft tube and / or in the inside surface.

Es ist aber auch möglich, dass die Zu- und Ableitung durch ein Kabel und/oder eine Kabelverbindung gebildet ist.But it is also possible that the inlet and outlet is formed by a cable and / or a cable connection.

Um insbesondere ein Kabel oder eine Kabelverbindung zu schützen, kann das Schaftrohr zur Aufnahme der Zu- und Ableitung des Temperaturfühlers einen Kanal mit beliebigem Querschnitt aufweisen. So ist es möglich, die Zu- und Ableitung getrennt und wenigstens über eine Teillänge ihrer Erstreckung von dem Medium abgeschirmt und gut geschützt bis zu dem Temperaturfühler hin zu führen.In order to protect in particular a cable or a cable connection, the shaft tube for receiving the inlet and outlet of the temperature sensor may have a channel of any cross-section. Thus, it is possible to separate the supply and discharge separately and at least over a partial length of their extension of the medium and well protected to lead to the temperature sensor out.

Günstig kann es sein, wenn das Dispergierwerkzeug zum Verbinden mit dem Antrieb eine Steckkupplung an dem in Gebrauchsstellung dem Antrieb zugewandten Ende des Schaftrohres hat, wobei die Steckkupplung elektrische Kontakte, insbesondere Federkontakte aufweist, über die die Zu- und Ableitung des Temperaturfühlers mit dem Antrieb und/oder der Auswerteelektronik elektrisch kontaktiert ist. Während die Steckkupplung selbst zunächst der mechanischen Kupplung des Dispergierwerkzeuges mit dem Antrieb dienen kann, ermöglichen die Federkontakte die elektrische Verbindung zwischen dem Antrieb und/oder der Auswerteelektronik und dem Temperaturfühler. Da die elektrischen Kontakte in Gebrauchsstellung des Dosierwerkzeuges vollständig abgedeckt sind, können sie gut vor Verschmutzungen und/oder Beschädigungen geschützt sein. Darüber hinaus kann der mechanische und der elektrische Anschluss des Dispergierwerkzeuges in einem Vorgang erfolgen.It may be favorable if the dispersing tool for connecting to the drive has a plug-in coupling on the end of the shaft tube facing the drive in the position of use, the plug-in coupling having electrical contacts, in particular spring contacts, via which the supply and discharge of the temperature sensor to the drive and / or the transmitter is electrically contacted. While the plug-in coupling itself can initially serve the mechanical coupling of the dispersing tool with the drive, the spring contacts allow the electrical connection between the drive and / or the evaluation electronics and the temperature sensor. As the electrical contacts in Use position of the dosing tool are completely covered, they can be well protected from dirt and / or damage. In addition, the mechanical and the electrical connection of the dispersing tool can be done in one operation.

Ein von dem Ankuppeln des Dosiervorganges getrennter Steckvorgang einer in dem Bereich der Steckkupplung angeordneten, separaten elektrischen Steckverbindung ist zwar denkbar, kann aber bei dieser besonders vorteilhaften Ausführungsform der Erfindung vermieden werden.Although a separate from the coupling of the dosing operation plugging a arranged in the region of the plug-in, separate electrical connector is conceivable, but can be avoided in this particularly advantageous embodiment of the invention.

Zur Verwendung der Dispergiervorrichtung bei automatisch gesteuerten Dispergiervorgängen kann es ferner zweckmäßig sein, wenn der Antrieb und/oder die Auswerteelektronik eine Steuer- oder Regeleinrichtung für den Antrieb zur Verarbeitung der Messdaten des Temperaturfühlers und zur Steuerung oder Regelung des Antriebs aufweist. Derartig ausgerüstete Dispergiervorrichtungen ermöglichen auch eine automatische, von einem Benutzer oder Anwender unabhängigen Dispergiervorgang, bei dem beispielsweise die Bearbeitungsdauer und/oder die Drehzahl, mit der der Dispergierrotor angetrieben wird, in Abhängigkeit von der durch den Temperaturfühler gemessenen Temperatur des zu dispergierenden Mediums steuerbar und/oder regelbar ist.For use of the dispersing device in automatically controlled dispersing operations, it may also be expedient for the drive and / or the evaluation electronics to have a control or regulating device for the drive for processing the measured data of the temperature sensor and for controlling or regulating the drive. Dispersing devices equipped in this way also enable an automatic dispersing operation independent of a user or user, in which, for example, the processing time and / or the rotational speed with which the dispersing rotor is driven can be controlled in dependence on the temperature of the medium to be dispersed as measured by the temperature sensor. or is controllable.

Eine günstige Ausgestaltung der Erfindung kann vorsehen, dass die Dispergiervorrichtung ein Display zur Anzeige der Betriebsparameter, insbesondere zur Anzeige der von dem Temperaturfühler gemessenen Temperaturen hat. Ein derartiges Display erlaubt die visuelle Kontrolle der Dispergiervorrichtung.A favorable embodiment of the invention can provide that the dispersing device has a display for displaying the operating parameters, in particular for displaying the temperatures measured by the temperature sensor. Such a display allows the visual inspection of the dispersing device.

Außerdem kann es zweckmäßig sein, wenn der Temperaturfühler in Gebrauchsstellung der Dispergiervorrichtung in vertikaler Richtung an dem Schaftrohr verschiebbar angeordnet ist. So ist es möglich, die Temperatur des Mediums in unterschiedlichen Höhen und/oder mit unterschiedlichen Distanzen zu dem Dispergierrotor zu messen und die günstigste Messposition einzustellen.In addition, it may be expedient if the temperature sensor in the use position of the dispersing device in the vertical direction slidably disposed on the shaft tube. It is thus possible to measure the temperature of the medium at different heights and / or at different distances from the dispersing rotor and to set the most favorable measuring position.

Eine andere Ausführungsform der Erfindung kann vorsehen, dass die Dispergiervorrichtung zusätzlich zu dem Temperaturfühler einen Feuchtesensor aufweist, welcher Feuchtesensor vorzugsweise auf gleicher Höhe beziehungsweise in etwa gleichem Abstand von dem geschlitzten Bereich wie der Temperaturfühler an dem Schaftrohr angeordnet ist. Mit Hilfe des Feuchtesensors kann es möglich sein, einen Trockenlauf der Dispergiervorrichtung zu detektieren und Schäden, die aufgrund dessen insbesondere an der Lagerung der Welle, welche Lagerung durch das zu dispergierende Medium geschmiert und gekühlt wird, zu vermeiden. Vor allem dann, wenn der Feuchtesensor auf gleicher Höhe wie der Temperaturfühler an dem Schaftrohr angeordnet ist, ist es möglich, aus der Kombination der Messergebnisse der beiden Fühler bzw. Sensoren festzustellen, ob der Temperaturfühler bestimmungsgemäß in das Medium eingetaucht ist und so die Temperatur des Mediums und nicht die Temperatur des mediumfreien Raumes misst.Another embodiment of the invention may provide that the dispersing device has, in addition to the temperature sensor, a moisture sensor, which moisture sensor is preferably arranged at the same height or approximately the same distance from the slotted region as the temperature sensor on the shaft tube. With the aid of the moisture sensor, it may be possible to detect a dry running of the dispersing device and to avoid damage which is due to this in particular to the bearing of the shaft, which bearing is lubricated and cooled by the medium to be dispersed. Especially when the humidity sensor is arranged at the same height as the temperature sensor on the shaft tube, it is possible to determine from the combination of the measurement results of the two sensors or sensors, whether the temperature sensor is immersed in the intended manner in the medium and thus the temperature of Medium and not the temperature of the medium-free space measures.

Zu diesem Zweck kann es besonders vorteilhaft sein, wenn der Feuchtesensor an gleicher Stelle wie der Temperaturfühler angeordnet, insbesondere mit diesem verbunden und/oder an diesem befestigt ist.For this purpose, it may be particularly advantageous if the moisture sensor is arranged at the same point as the temperature sensor, in particular connected to this and / or fixed thereto.

Der Temperaturfühler kann nahe einem geschlitzten Bereich des freien Endes des Schaftrohres angeordnet sein, innerhalb welchem geschlitzten Bereich der Dispergierrotor vorgesehen ist. So ist es möglich, die Temperatur möglichst nahe dem Dispergierrotor aufzunehmen, ohne den Temperaturfühler jedoch durch die aufgrund des Zusammenwirkens des Dispergierrotors mit dem geschlitzten Bereich des Schaftrohres auftretenden Turbulenzen zu gefährden.The temperature sensor may be arranged near a slotted region of the free end of the shaft tube, within which slotted region of the dispersing rotor is provided. So it is possible to record the temperature as close to the dispersing rotor, but without the temperature sensor through to endanger the turbulence which occurs due to the interaction of the dispersing rotor with the slotted region of the shaft tube.

Ferner kann es günstig sein, wenn die Zu- und Ableitung des Temperaturfühlers in Erstreckungsrichtung der Längsmittelachse des Schaftrohres, also parallel zu dieser, angeordnet ist.Furthermore, it may be favorable if the inlet and outlet of the temperature sensor in the direction of extension of the longitudinal central axis of the shaft tube, that is parallel to this, is arranged.

Nachstehend ist ein Ausführungsbeispiel der Erfindung anhand der Figuren der Zeichnung näher beschrieben. Es zeigt in zum Teil schematisierter Darstellung:

Fig. 1
eine schaubildliche Seitenansicht einer erfindungsgemäßen Dispergiervorrichtung mit einem an einen Antrieb angekuppelten Dispergierwerkzeug und einem Temperaturfühler nahe dem für das Dispergieren geschlitzten Bereich seines Schaftrohres sowie
Fig. 2
eine in vergrößertem Maßstab perspektivische Seitenansicht des von dem Antrieb der in Fig. 1 dargestellten Dispergiervorrichtung getrennten Dispergierwerkzeuges mit einem in Gebrauchsstellung befindlichen Temperaturfühler nahe dem freien Ende des Schaftrohres sowie mit einer zwei elektrische Kontakte aufweisenden Steckkupplung, welche Kontakte der Übertragung der über die Zu- und Ableitung übermittelten Messsignale des Temperaturfühlers an den Antrieb und/oder an eine Auswerteelektronik und/oder eine Regeleinrichtung dienen.
Hereinafter, an embodiment of the invention with reference to the figures of the drawing is described in more detail. It shows in partly schematized representation:
Fig. 1
a perspective side view of a dispersing device according to the invention with a coupled to a drive dispersing tool and a temperature sensor near the slotted for dispersing region of its shaft tube and
Fig. 2
an enlarged scale perspective side view of the drive of the in Fig. 1 Dispergiervorrichtung Dispergierwerkzeuges Dispergierwerkzeuges with a temperature sensor located in the use position near the free end of the shaft tube and with a two electrical contacts having plug-in coupling, which contacts the transmission of the transmitted via the supply and discharge measurement signals of the temperature sensor to the drive and / or to a transmitter and / or serve a control device.

Eine im Ganzen mit 1 bezeichnete Dispergiervorrichtung hat gemäß Fig. 1 ein ein Schaftrohr 2 aufweisendes Dispergierwerkzeug 3, an dessen freiem, einem Antrieb 4 abgewandten und in Gebrauchsstellung unteren Ende 5 ein seitlich geschlitzter Bereich 6 vorgesehen ist. Innerhalb dieses seitlich geschlitzten Bereiches 6 befindet sich ein über eine Welle angetriebener in den Figuren nicht sichtbarer Dispergierrotor, welcher im Zusammenspiel mit dem geschlitzten Bereich 6 die für das Dispergieren notwendigen Scherkräfte auf das zu dispergierenden Medium überträgt und insoweit dem Dispergierwerkzeug gemäß DE 10 2004 009 708 B3 entspricht. Dabei verlaufen die Schlitze dieses Bereiches 6 parallel zu der Längserstreckung des Schaftrohres 2 und sind in Richtung des freien Endes 5 offen.A designated as a whole with 1 dispersing device according to Fig. 1 a shank tube 2 exhibiting dispersing tool 3, facing away from the free, a drive 4 and in Use position lower end 5 a laterally slotted area 6 is provided. Within this laterally slotted region 6 there is a dispersing rotor, which is driven by a shaft and not visible in the figures, which, in interaction with the slotted region 6, transfers the shearing forces necessary for dispersing to the medium to be dispersed and, to that extent, the dispersing tool DE 10 2004 009 708 B3 equivalent. The slots of this region 6 extend parallel to the longitudinal extension of the shaft tube 2 and are open in the direction of the free end 5.

Gemäß den Fig. 1 und 2 ist an dem freien Ende 5 ein Temperaturfühler 7 mit einer zugehörigen, an der Außenseite des Schaftrohres 2 angeordneten, elektrischen Zu- und Ableitung 8 vorgesehen. Die Zu- und Ableitung 8 verläuft gemäß Fig. 2 von dem Temperaturfühler 7 über die Außenseite des Schaftrohres 2 in Richtung des Antriebes 4 und verbindet diesen in angekuppelter Gebrauchsstellung des Dispergierwerkzeuges 3 mit dem Temperaturfühler 7.According to the Fig. 1 and 2 is at the free end 5, a temperature sensor 7 with an associated, arranged on the outside of the shaft tube 2, electrical supply and discharge 8 is provided. The inlet and outlet 8 runs according to Fig. 2 from the temperature sensor 7 via the outside of the shaft tube 2 in the direction of the drive 4 and connects it in the coupled position of use of the dispersing tool 3 with the temperature sensor. 7

Um die Temperatur des zu dispergierenden Mediums ungestört von einer möglichen Wärmeentwicklung bestimmen zu können, ist der Temperaturfühler 7 gegenüber dem die Welle aufnehmenden Schaftrohr 2 thermisch isoliert.To be able to determine the temperature of the medium to be dispersed undisturbed by a possible heat development, the temperature sensor 7 is thermally insulated from the shaft tube 2 receiving the shaft.

Beide Figuren zeigen, dass der Temperaturfühler 7 für seine Isolierung von der Außenseite des Schaftrohres 2 schräg absteht oder abgewinkelt beziehungsweise abgebogen und im Bereich des dem Antrieb 4 abgewandten Endes 5 des Schaftrohres 2 angeordnet ist.Both figures show that the temperature sensor 7 protrudes obliquely for its isolation from the outside of the shaft tube 2 or angled or bent and is arranged in the region of the drive 4 remote from the end 5 of the shaft tube 2.

Fig. 2 zeigt weiter, dass der Temperaturfühler 7 von der Außenseite des Schaftrohres 2 über ein an dem Schaftrohr 2 angeordnetes Schwenklenk 9 von diesem in seine abstehende und dadurch isolierte Gebrauchsstellung schwenkbar ist. Fig. 2 further shows that the temperature sensor 7 from the outside of the shaft tube 2 via an arranged on the shaft tube 2 pivot 9 from this in his projecting and thereby isolated use position is pivotable.

Wird der Temperaturfühler 7 in eine am Schaftrohr 2 anliegende Stellung zurückgeschwenkt, ist er in einer Vertiefung oder in einer Nut 71 versenkbar, sodass er nicht über die Außenkontur des Schaftrohres 2 übersteht und gut geschützt ist. Insbesondere für die Aufbewahrung des Dispergierwerkzeuges 3 ist dies vorteilhaft, da der Temperaturfühler 7 so gut vor möglichen Beschädigungen geschützt sein kann.If the temperature sensor 7 is pivoted back into a position lying on the shaft tube 2, it can be retracted in a recess or in a groove 71, so that it does not protrude beyond the outer contour of the shaft tube 2 and is well protected. In particular, for the storage of the dispersing tool 3, this is advantageous because the temperature sensor 7 can be so well protected against possible damage.

Dabei ist es möglich, dass der Temperaturfühler 7 durch eine Federkraft eines in den Figuren nicht dargestellten Federelementes von dem Schaftrohr 2 abspreizbar ist.It is possible that the temperature sensor 7 by a spring force of a spring element, not shown in the figures from the shaft tube 2 is spread apart.

Die in den Figuren dargestellte Ausführungsform der Erfindung weist einen Temperaturfühler 7 auf, der in spitzem Winkel und mit seinem dem freien Ende des Schaftrohres 5 nahen Ende 10 absteht, um einen möglichst großen Abstand zu dem Schaftrohr 2 einzunehmen.The embodiment of the invention shown in the figures has a temperature sensor 7 which projects at an acute angle and with its free end of the shaft tube 5 near end 10 in order to take the greatest possible distance to the shaft tube 2.

Eine in den Figuren nicht dargestellte Ausführungsform der Erfindung kann aber auch vorsehen, dass der Temperaturfühler 7 in umgekehrter Richtung und/oder beispielsweise rechtwinklig von dem Schaftrohr 2 absteht.However, an embodiment of the invention not shown in the figures can also provide that the temperature sensor 7 projects in the opposite direction and / or for example at right angles from the shaft tube 2.

Insbesondere Fig. 2 zeigt, dass die Zu- und Ableitung 8, die den Temperaturfühler 7 mit einer Auswerteelektronik und/oder mit dem Antrieb 4, ersichtlich aus Fig. 1, verbindet, an der Außenseite des Schaftrohres 2 angeordnet ist. Dabei ist auch vorstellbar, dass die Zu- und Ableitung 8 innerhalb des Schaftrohres 2 angeordnet sein kann.Especially Fig. 2 shows that the inlet and outlet 8, the temperature sensor 7 with an evaluation and / or with the drive 4, apparent from Fig. 1 , connects, is arranged on the outside of the shaft tube 2. It is also conceivable that the inlet and outlet 8 can be arranged within the shaft tube 2.

Die bevorzugte Ausführungsform der Erfindung sieht vor, dass die Zu- und Ableitung 8 eine besonders gut elektrisch-leitfähige Metall- und/oder Goldbeschichtung ist. Die Verwendung einer elektrisch-leitfähigen Folie und/oder einer Mischform aus Folie und Metallbeschichtung als Zu- und Ableitung 8, welche insbesondere an der Außenseite des Schaftrohres 2 befestigt ist, ist ebenfalls möglich.The preferred embodiment of the invention provides that the inlet and outlet 8 is a particularly good electrically conductive metal and / or gold coating. The use of an electrically conductive film and / or a mixed form of film and metal coating as inlet and outlet 8, which is in particular attached to the outside of the shaft tube 2, is also possible.

In Fig. 2 ist zu erkennen, dass die Zu- und Ableitung 8 des Temperaturfühlers 7 auf die Außenseite des Schaftrohres 2 aufgebracht, insbesondere aufgedampft ist.In Fig. 2 It can be seen that the inlet and outlet 8 of the temperature sensor 7 is applied to the outside of the shaft tube 2, in particular vapor-deposited.

Es ist auch möglich, die Zu- und Ableitung vertieft innerhalb einer Nut an der Außenseite des Schaftrohres 2 eingelassen anzuordnen. Diese Nut könnte auch innenseitig in das Schaftrohr 2 oder in dessen innenseitige Oberfläche eingearbeitet sein.It is also possible to recessed the inlet and outlet within a groove on the outside of the shaft tube 2 to arrange. This groove could also be incorporated inside the shaft tube 2 or in the inside surface.

Bei einer nicht dargestellten Ausführungsform der Erfindung ist die Zu- und Ableitung 8 durch ein Kabel und/oder eine Kabelverbindung gebildet. Das Schaftrohr 2 ist dabei zur Aufnahme dieses Kabels oder dieser Kabelverbindung mit einem Kanal beliebigen Querschnitts versehen, welcher diese Zu- und Ableitung 8 sicher festlegt und gut abschirmt.In an embodiment of the invention, not shown, the supply and discharge line 8 is formed by a cable and / or a cable connection. The shaft tube 2 is provided for receiving this cable or this cable connection with a channel of any cross-section, which determines this supply and discharge 8 securely and well shielded.

Gemäß Fig.2 weist das Dispergierwerkzeug 3 zum mechanischen Verbinden mit dem Antrieb 4 eine Steckkupplung 11 an dem in Gebrauchsstellung des Dispergierwerkzeugs 3 dem Antrieb 4 zugewandten Ende des Schaftrohres 2 auf. Fig. 2 zeigt außerdem, dass diese Steckkupplung 11 elektrische Kontakte, im vorliegenden Ausführungsbeispiel zwei Federkontakte 12 hat, über die die Zu- und Ableitung 8 des Temperaturfühlers 7 mit dem Antrieb 4 und/oder der Auswerteelektronik elektrisch kontaktiert ist.According to Fig.2 For example, the dispersing tool 3 for mechanical connection to the drive 4 has a plug-in coupling 11 on the end of the shaft tube 2 facing the drive 4 in the position of use of the dispersing tool 3. Fig. 2 also shows that this plug-in connector 11 has electrical contacts, in the present embodiment, two spring contacts 12, via which the supply and discharge 8 of the temperature sensor 7 to the drive 4 and / or the transmitter is electrically contacted.

Zur Verwendung der Dispergiervorrichtung 1 in einem teilautomatisierten und/oder vollautomatisierten Dispergierprozess ist der Antrieb 4 und/oder die Auswerteelektronik mit einer Steuer- oder Regeleinrichtung für den Antrieb 4 zur Verarbeitung der Messdaten des Temperaturfühlers 7 und zur Steuerung oder Regelung des Antriebes 4 ausgestattet. Mit Hilfe der Steuer- oder Regeleinrichtung können Dispergiervorgänge in Abhängigkeit der sich einstellenden Temperatur des Mediums bzw. der Dispersion automatisiert gesteuert oder geregelt werden.To use the dispersing device 1 in a partially automated and / or fully automated dispersing the drive 4 and / or the evaluation is equipped with a control or regulating device for the drive 4 for processing the measurement data of the temperature sensor 7 and for controlling or regulating the drive 4. With the help of the control or regulating device dispersing operations can be automatically controlled or regulated depending on the temperature setting of the medium or the dispersion.

Wenn der Wärmeeintrag in die Dispersion durch den schnell rotierenden Dispergierrotor zum Beispiel zu groß ist und ihre Temperatur bereits einen vorgegebenen Grenzwert erreicht, kann die Drehzahl der Welle und des Dispergierrotors solange reduziert werden, bis sich das Medium wieder abgekühlt hat oder der Antrieb 4 kann durch die Steuer- oder Regeleinrichtung stillgelegt werden.If the heat input into the dispersion by the rapidly rotating dispersing rotor, for example, is too large and its temperature already reaches a predetermined limit, the speed of the shaft and the dispersing rotor can be reduced until the medium has cooled down again or the drive 4 can through the control or regulating device are shut down.

Gemäß Fig. 1 hat die Dispergiervorrichtung 1 ein Display 13 zur Anzeige der Betriebsparameter, insbesondere zur Anzeige der von dem Temperaturfühler 7 gemessenen Temperaturwerte.According to Fig. 1 the dispersing device 1 has a display 13 for displaying the operating parameters, in particular for displaying the temperature values measured by the temperature sensor 7.

Des Weiteren ist es möglich, dass der Temperaturfühler 7 in Gebrauchsstellung der Dispergiervorrichtung 1 in vertikaler Richtung an dem Schaftrohr 2 verschiebbar ist. Wird der Temperaturfühler 7 an dem Schaftrohr 2 und/oder in einer Nut mit einem linearen Stellantrieb versehen, kann seine Höhenverstellung sogar automatisch erfolgen.Furthermore, it is possible that the temperature sensor 7 in the use position of the dispersing device 1 in the vertical direction on the shaft tube 2 is displaceable. If the temperature sensor 7 is provided on the shaft tube 2 and / or in a groove with a linear actuator, its height adjustment can even be done automatically.

Eine weitere, in den Figuren nicht dargestellte Ausführungsform der Erfindung sieht vor, dass die Dispergiervorrichtung 1 zusätzlich zu dem Temperaturfühler 7 einen Feuchtesensor aufweist. So wird ein etwaiger Trockenlauf der Dispergiervorrichtung 1 bedingt durch beispielsweise ein Absenken des Pegels des Mediums zeitnah detektiert und Schäden, die aufgrund dessen insbesondere an der Lagerung der Welle auftreten könnten, werden vermieden.A further, not shown in the figures embodiment of the invention provides that the dispersing device 1 in addition to the temperature sensor 7 has a humidity sensor. Thus, any dry running of the dispersing device 1 is conditioned, for example, by a lowering of the level the medium detected in a timely manner and damage that could occur due to which in particular the storage of the wave are avoided.

Dabei ist der Feuchtesensor vorzugweise auf gleicher Höhe beziehungsweise in gleichem Abstand von dem geschlitzten Bereich 6 und an der gleichen Stelle wie der Temperaturfühler 7 an dem Schaftrohr 2 angeordnet oder aber direkt mit dem Temperaturfühler 7 verbunden oder an diesem befestigt. So kann der Feuchtesensor gemeinsam mit dem Temperaturfühler 7 von dem Schaftrohr 2 in die Gebrauchsstellung abgespreizt und anhand einer Feuchtemessung mit hoher Zuverlässigkeit überprüft werden, ob der Temperaturfühler 7 bestimmungsgemäß in dem zu dispergierenden Medium positioniert ist oder ob er sich außerhalb des Mediums befindet und dort die Temperatur der ihn umgebenden Luft misst.In this case, the moisture sensor is preferably arranged at the same height or at the same distance from the slotted region 6 and at the same location as the temperature sensor 7 on the shaft tube 2 or directly connected to the temperature sensor 7 or attached thereto. Thus, the humidity sensor can be splayed together with the temperature sensor 7 of the shaft tube 2 in the position of use and checked with high reliability by means of a moisture measurement, if the temperature sensor 7 is properly positioned in the medium to be dispersed or if it is outside the medium and there Temperature of the surrounding air.

Um die Position des Temperaturfühlers 7 auch bei unterschiedlichen und/oder wechselnden Füllstandshöhen oder Pegelständen des zu dispergierenden Mediums hinreichend genau überprüfen und überwachen zu können, ist der Feuchtesensor in einer anderen Ausführungsform der Erfindung zusammen mit dem Temperaturfühler 7 in bereits beschriebener Weise in Gebrauchsstellung an dem Schaftrohr 2 in vertikaler Richtung höhenverstellbar angebracht.In order to be able to check and monitor the position of the temperature sensor 7 sufficiently accurately even with different and / or changing fill levels or water levels of the medium to be dispersed, the moisture sensor is in another embodiment of the invention together with the temperature sensor 7 in the position described in the use position on the Stem tube 2 mounted vertically adjustable in the vertical direction.

Die im Ganzen mit 1 bezeichnete Dispergiervorrichtung hat ein ein Schaftrohr 2 aufweisendes Dispergierwerkzeug 3 und einen Antrieb 4. An dem freien, dem Antrieb 4 abgewandten Ende 5 des Schaftrohres 2 ist ein Dispergierrotor vorgesehen, welcher über eine mit dem Antrieb 4 kuppelbare und innerhalb des Schaftrohres 2 angeordneten Welle mit diesem Antrieb 4 verbunden ist. Zur Überwachung der Temperatur des zu dispergierenden Mediums ist an dem relativ zu dem Dispergierrotor und der drehbaren Welle feststehenden Schaftrohr 2 ein Temperaturfühler 7 mit zugehöriger elektrischer Zu- und Ableitung 8 vorgesehen, welche Zu- und Ableitung 8 den Temperaturfühler 7 mit dem Antrieb 4 und oder/einer Auswerteelektronik und/oder einer Steuer- oder Regeleinrichtung verbindet.The dispersing device designated as a whole by 1 has a dispersing tool 3 having a shaft tube 2 and a drive 4. At the free end 5 of the shaft tube 2 facing away from the drive 4, a dispersing rotor is provided, which can be coupled to the drive 4 and within the shaft tube 2 arranged shaft is connected to this drive 4. To monitor the temperature of the medium to be dispersed a temperature sensor 7 with associated electrical supply and discharge line 8 is provided on the relatively fixed to the dispersing rotor and the rotatable shaft shaft tube 2, which supply and discharge 8 the temperature sensor 7 to the drive 4 and / or an evaluation and / or a control - or control device connects.

Claims (15)

  1. Dispersing device (1) comprising a dispersing tool (3), which has a shaft tube (2) and on the free end (5) of which, facing away from a drive (4), is provided a dispersing rotor which can be driven via a rotatable shaft connected to the drive (4) and disposed in this shaft tube (2), characterized in that a temperature detector (7) with an associated electrical input and output line (8) is disposed on the fixed shaft tube (2) and fixedly connected thereto.
  2. Dispersing device according to Claim 1, characterized in that the temperature detector (7) is thermally isolated from the shaft tube (2) which receives the shaft.
  3. Dispersing device according to claim 1 or 2, characterized in that the temperature detector (7) is disposed, such that it protrudes in angled-off and/or bent arrangement, on the outer side of the shaft tube (2), or is pivotable away from the outer side of the shaft tube (2), via a pivot joint (9) disposed on the shaft tube (2), from said pivot joint into its protruding usage position, or can be deployed from the shaft tube (2) by a spring force.
  4. Dispersing device according to one of Claims 1 to 3, characterized in that the temperature detector (7) in the usage position protrudes from the shaft tube (2) at an acute angle and/or in that that end (10) of the temperature detector (7) which is close to the free end (5) of the shaft tube (2) protrudes from the shaft tube (2).
  5. Dispersing device according to one of Claims 1 to 4, characterized in that the input and output line (8) connecting the temperature detector (7) to an electronic evaluation unit and/or to the drive (4) is disposed on the outer side of the shaft tube (2) and/or within the shaft tube (2).
  6. Dispersing device according to one of Claims 1 to 5, characterized in that the input and output line (8) is a metal and/or gold coating and/or an electrically conductive film, or is formed by a cable and/or a cable connection.
  7. Dispersing device according to one of Claims 1 to 6, characterized in that the input and output line (8) of the temperature detector (7) is disposed within a groove and/or recess provided on the outer side of the shaft tube (2) or in that the groove serving to receive the input and output line (8) is recessed in the inner side of the shaft tube (2) and/or in its inside surface or in that the shaft tube (2) has a channel of optional cross section for the reception of the input and output line (8) of the temperature detector (7).
  8. Dispersing device according to one of Claims 1 to 7, characterized in that the dispersing tool (3), for connection to the drive (4), has a plug-in coupling (11) on that end of the shaft tube (2) which in the usage position is facing the drive (4), the plug-in coupling (11) having electrical contacts or spring contacts (12), via which the input and output line (8) of the temperature detector (7) is electrically contacted with the drive (4) and/or the electronic evaluation unit.
  9. Dispersing device according to one of Claims 1 to 8, characterized in that the drive (4) and/or the electronic evaluation unit has a regulating device for the drive (4) for processing the measurement data of the temperature detector (7) and for regulating the drive (4).
  10. Dispersing device according to one of Claims 1 to 9, characterized in that the dispersing device (1) has a display (13) for displaying the operating parameters or for displaying the temperatures measured by the temperature detector (7).
  11. Dispersing device according to one of Claims 1 to 10, characterized in that the temperature detector (7), in the usage position of the dispersing device (1), is arranged displaceably on the shaft tube (2) in the vertical direction.
  12. Dispersing device according to one of Claims 1 to 11, characterized in that the dispersing device (1) has in addition to the temperature detector (7) a moisture sensor.
  13. Dispersing device according to one of Claims 1 to 12, characterized in that the moisture sensor is disposed at the same height or at roughly the same distance from the slotted region (6) as the temperature detector (7) on the shaft tube (2) or at the same place as the temperature detector (7) or is connected and/or fastened thereto.
  14. Dispersing device according to one of Claims 1 to 13, characterized in that the temperature detector (7) is disposed close to a slotted region (6) of the free end (5) of the shaft tube (2), within which slotted region (6) the dispersing rotor is provided.
  15. Dispersing device according to one of Claims 1 to 14, characterized in that the input and output line (8) of the temperature detector (7) is disposed in the direction of extent of the longitudinal center axis of the shaft tube (2).
EP11735786.3A 2010-09-30 2011-07-01 Dispersing device comprising a temperature sensor Active EP2621621B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010047199A DE102010047199A1 (en) 2010-09-30 2010-09-30 disperser
PCT/EP2011/003273 WO2012041412A1 (en) 2010-09-30 2011-07-01 Dispersing device

Publications (2)

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EP2621621A1 EP2621621A1 (en) 2013-08-07
EP2621621B1 true EP2621621B1 (en) 2015-02-11

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EP11735786.3A Active EP2621621B1 (en) 2010-09-30 2011-07-01 Dispersing device comprising a temperature sensor

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US (1) US9545608B2 (en)
EP (1) EP2621621B1 (en)
CN (1) CN103140281B (en)
DE (1) DE102010047199A1 (en)
ES (1) ES2534641T3 (en)
WO (1) WO2012041412A1 (en)

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Also Published As

Publication number Publication date
EP2621621A1 (en) 2013-08-07
CN103140281A (en) 2013-06-05
ES2534641T3 (en) 2015-04-27
DE102010047199A1 (en) 2012-04-05
WO2012041412A1 (en) 2012-04-05
CN103140281B (en) 2016-02-24
US20130176813A1 (en) 2013-07-11
US9545608B2 (en) 2017-01-17

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