DE20210937U1 - Device for monitoring magnetic stirrers - Google Patents

Device for monitoring magnetic stirrers

Info

Publication number
DE20210937U1
DE20210937U1 DE20210937U DE20210937U DE20210937U1 DE 20210937 U1 DE20210937 U1 DE 20210937U1 DE 20210937 U DE20210937 U DE 20210937U DE 20210937 U DE20210937 U DE 20210937U DE 20210937 U1 DE20210937 U1 DE 20210937U1
Authority
DE
Germany
Prior art keywords
magnetic stirrers
monitoring magnetic
unit
evaluation unit
stirrers according
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.)
Expired - Lifetime
Application number
DE20210937U
Other languages
German (de)
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.)
MANFRED SCHMELZER GmbH
Original Assignee
MANFRED SCHMELZER GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MANFRED SCHMELZER GmbH filed Critical MANFRED SCHMELZER GmbH
Priority to DE20210937U priority Critical patent/DE20210937U1/en
Publication of DE20210937U1 publication Critical patent/DE20210937U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/452—Magnetic mixers; Mixers with magnetically driven stirrers using independent floating stirring elements
    • 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
    • B01F35/212—Measuring of the driving system data, e.g. torque, speed or power data
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (8)

1. Vorrichtung zur Überwachung von Magnetrührern, gekennzeichnet durch einen in der Nähe des Rührstabes (2) angeordneten Schallsensor (7) und eine an ihn angeschlossene Auswerteeinheit (8).1. Device for monitoring magnetic stirrers, characterized by a sound sensor ( 7 ) arranged in the vicinity of the stirring rod ( 2 ) and an evaluation unit ( 8 ) connected to it. 2. Vorrichtung zur Überwachung von Magnetrührern nach Anspruch 1, dadurch ge­ kennzeichnet, dass der Schallsensor (7) dicht unter der Deckplatte (3) des Rührergehäuses (1) mittig zum aufgesetzten Rührgefäß (4) befestigt ist.2. Device for monitoring magnetic stirrers according to claim 1, characterized in that the sound sensor ( 7 ) is fastened centrally under the cover plate ( 3 ) of the stirrer housing ( 1 ) to the attached mixing vessel ( 4 ). 3. Vorrichtung zur Überwachung von Magnetrührern nach Anspruch 1, dadurch ge­ gekennzeichnet, dass der Schallsensor (7) in Bodennähe an der Außenwand des Rührgefäßes (4) angebracht ist.3. A device for monitoring magnetic stirrers according to claim 1, characterized in that the sound sensor ( 7 ) is attached to the outer wall of the mixing vessel ( 4 ) near the bottom. 4. Vorrichtung zur Überwachung von Magnetrührern nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass die Auswerteeinheit (8) aus einem Verstärker (9), einem Frequenzanalysator (10) und einem Schwellwertdetektor (11) aufgebaut ist.4. Device for monitoring magnetic stirrers according to claim 1, 2 or 3, characterized in that the evaluation unit ( 8 ) from an amplifier ( 9 ), a frequency analyzer ( 10 ) and a threshold detector ( 11 ) is constructed. 5. Vorrichtung zur Überwachung von Magnetrührern nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass die Auswerteeinheit (8) aus einem Verstärker, einem Integrator und einem Schwellwertdetektor besteht.5. Device for monitoring magnetic stirrers according to claim 1, 2 or 3, characterized in that the evaluation unit ( 8 ) consists of an amplifier, an integrator and a threshold value detector. 6. Vorrichtung zur Überwachung von Magnetrührern nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass die Auswerteeinheit (8) eine Geräuscherkennungseinheit enthält.6. Device for monitoring magnetic stirrers according to claim 1, 2 or 3, characterized in that the evaluation unit ( 8 ) contains a noise detection unit. 7. Vorrichtung zur Überwachung von Magnetrührern nach Anspruch 6, dadurch ge­ kennzeichnet, dass die Geräuscherkennungseinheit eine Geräuscherfassungsein­ heit, eine Geräuschmerkmals-Klassifizierungseinheit und eine Geräuschmerkmals-Ver­ gleichseinheit umfaßt.7. Device for monitoring magnetic stirrers according to claim 6, characterized ge indicates that the noise detection unit is noise detection unit, a noise feature classification unit and a noise feature ver equals unit. 8. Vorrichtung zur Überwachung von Magnetrührern nach Anspruch 1, 2 oder 3 und 4 oder 5 oder 6 und 7, dadurch gekennzeichnet, dass an die Auswerteeinheit (8) eine aus einer Vergleichsstufe (14), einer Drehfeldsynthese-Stufe (15) und einer Lei­ stungsstufe (16) bestehende Steuereinheit (13) für den magnetischen Antrieb des Rühr­ stabes (2) angeschlossen ist.8. Device for monitoring magnetic stirrers according to claim 1, 2 or 3 and 4 or 5 or 6 and 7, characterized in that one of a comparison stage ( 14 ), a rotating field synthesis stage ( 15 ) and a to the evaluation unit ( 8 ) Lei performance level ( 16 ) existing control unit ( 13 ) for the magnetic drive of the stir bar ( 2 ) is connected.
DE20210937U 2002-07-19 2002-07-19 Device for monitoring magnetic stirrers Expired - Lifetime DE20210937U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20210937U DE20210937U1 (en) 2002-07-19 2002-07-19 Device for monitoring magnetic stirrers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20210937U DE20210937U1 (en) 2002-07-19 2002-07-19 Device for monitoring magnetic stirrers

Publications (1)

Publication Number Publication Date
DE20210937U1 true DE20210937U1 (en) 2002-10-10

Family

ID=7973192

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20210937U Expired - Lifetime DE20210937U1 (en) 2002-07-19 2002-07-19 Device for monitoring magnetic stirrers

Country Status (1)

Country Link
DE (1) DE20210937U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008086771A2 (en) * 2007-01-15 2008-07-24 Amtec Gmbh Magnetic mixing system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008086771A2 (en) * 2007-01-15 2008-07-24 Amtec Gmbh Magnetic mixing system
WO2008086771A3 (en) * 2007-01-15 2008-11-20 Amtec Gmbh Magnetic mixing system

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Legal Events

Date Code Title Description
R086 Non-binding declaration of licensing interest
R207 Utility model specification

Effective date: 20021114

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20050804

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20080529

R158 Lapse of ip right after 8 years

Effective date: 20110201