EP1738837A3 - Method and circuit arrangement for driving an ultrasonic vibrator - Google Patents

Method and circuit arrangement for driving an ultrasonic vibrator Download PDF

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Publication number
EP1738837A3
EP1738837A3 EP06013099A EP06013099A EP1738837A3 EP 1738837 A3 EP1738837 A3 EP 1738837A3 EP 06013099 A EP06013099 A EP 06013099A EP 06013099 A EP06013099 A EP 06013099A EP 1738837 A3 EP1738837 A3 EP 1738837A3
Authority
EP
European Patent Office
Prior art keywords
excitation
voltage
ultrasonic
current
size
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.)
Withdrawn
Application number
EP06013099A
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German (de)
French (fr)
Other versions
EP1738837A2 (en
Inventor
Dieter Dipl.-Ing. Schief
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.)
Martin Walter Ultraschalltechnik AG
Original Assignee
Martin Walter Ultraschalltechnik 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
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Application filed by Martin Walter Ultraschalltechnik AG filed Critical Martin Walter Ultraschalltechnik AG
Publication of EP1738837A2 publication Critical patent/EP1738837A2/en
Publication of EP1738837A3 publication Critical patent/EP1738837A3/en
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0253—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit

Abstract

Ein Verfahren zum Betreiben eines Ultraschall-Schwingers 1 mit konstanter Schwingungsamplitude, bei welchem an aus dem Ultraschall-Schwinger und diesen zu einem Schwingkreis ergänzenden Komponenten bestehenden Ultraschall-Schwingsystem 1 zur Erzeugung eines Erregerstroms I eine Erregerspannung U angelegt wird, deren Frequenz außerhalb einer Resonanzfrequenz des Ultraschall-Schwingsystems liegt, wobei die Größe des Erregerstroms I durch Verändern der Frequenz der Erregerspannung U auf einen vorbestimmten Wert eingestellt wird, ist dadurch gekennzeichnet, dass die Größe der Erregerspannung U erfasst wird und der vorbestimmte Wert der Größe des Erregerstromes I in Abhängigkeit der Größe der Erregerspannung U festgelegt wird.A method for operating an ultrasonic vibrator 1 with a constant oscillation amplitude, in which on the ultrasonic oscillator and this to a resonant circuit complementary components existing ultrasonic vibrating system 1 for generating an excitation current I, an excitation voltage U is applied, whose frequency is outside a resonant frequency of Ultrasonic vibration system is, wherein the size of the excitation current I is set by changing the frequency of the excitation voltage U to a predetermined value, characterized in that the magnitude of the excitation voltage U is detected and the predetermined value of the size of the excitation current I as a function of size the excitation voltage U is set.

Des Weiteren ist eine Schaltungsanordnung zum Betreiben eines Ultraschall-Schwingers 1 nach einem Verfahren gemäß einem der vorstehenden Ansprüche, mit einem Verstärker 2 mit einem Eingang 2a und einem Ausgang 2b, welcher Ausgang 2b die Erregerspannung sowie den Erregerstrom für das Ultraschall-Schwingsystem 1 liefert, und einem Oszillator 3, dessen Frequenz an einem Steuereingang 3a einstellbar ist und dessen Ausgang 3b mit dem Eingang des Verstärkers verbunden ist, sowie einem Stromsensor 4, zur Erfassung des Erregerstroms I, dadurch gekennzeichnet, dass ein Spannungssensor 5 vorhanden ist, zur Erfassung der Erregerspannung U.

Figure imgaf001
Furthermore, a circuit arrangement for operating an ultrasonic vibrator 1 according to a method according to one of the preceding claims, comprising an amplifier 2 having an input 2a and an output 2b, which output 2b supplies the exciter voltage and the exciting current for the ultrasonic vibratory system 1, and an oscillator 3, whose frequency is adjustable at a control input 3a and whose output 3b is connected to the input of the amplifier, and a current sensor 4, for detecting the excitation current I, characterized in that a voltage sensor 5 is present, for detecting the excitation voltage U.
Figure imgaf001
EP06013099A 2005-07-01 2006-06-26 Method and circuit arrangement for driving an ultrasonic vibrator Withdrawn EP1738837A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005030777.9A DE102005030777B4 (en) 2005-07-01 2005-07-01 Method and circuit arrangement for operating an ultrasonic vibrator

Publications (2)

Publication Number Publication Date
EP1738837A2 EP1738837A2 (en) 2007-01-03
EP1738837A3 true EP1738837A3 (en) 2009-06-03

Family

ID=37250090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06013099A Withdrawn EP1738837A3 (en) 2005-07-01 2006-06-26 Method and circuit arrangement for driving an ultrasonic vibrator

Country Status (4)

Country Link
US (1) US7345401B2 (en)
EP (1) EP1738837A3 (en)
JP (1) JP2007007649A (en)
DE (1) DE102005030777B4 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8659208B1 (en) 2007-06-14 2014-02-25 Misonix, Inc. Waveform generator for driving electromechanical device
US9070856B1 (en) 2007-06-14 2015-06-30 Misonix, Incorporated Waveform generator for driving electromechanical device
DE102011052283A1 (en) * 2011-07-29 2013-01-31 Herrmann Ultraschalltechnik Gmbh & Co. Kg Method for calculating the oscillation amplitude of a sonotrode
KR101690715B1 (en) * 2014-04-29 2016-12-28 (주)한소닉에이스 Adaptive controlled ultrasonic vibration device
US10571435B2 (en) 2017-06-08 2020-02-25 Covidien Lp Systems and methods for digital control of ultrasonic devices
DE102019109262A1 (en) * 2019-04-09 2020-10-15 Lisa Dräxlmaier GmbH DEVICE FOR DETERMINING A STATE OF AN ULTRASONIC WELDING PROCESS

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445750A (en) * 1966-10-17 1969-05-20 Uthe Technology Ultrasonic frequency power supply
US5180363A (en) * 1989-04-27 1993-01-19 Sumitomo Bakelite Company Company Limited Operation device
EP1495727A2 (en) * 2003-07-07 2005-01-12 Olympus Corporation Ultrasonic surgical system and probe
JP2005166933A (en) * 2003-12-02 2005-06-23 Kaijo Corp Device and method for ultrasonic bonding

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Publication number Priority date Publication date Assignee Title
BR7608703A (en) * 1975-12-30 1977-10-25 Litton Industries Inc ELECTRIC CONTROL AND CONTROL CIRCUIT FOR ULTRASONIC DENTAL TREATMENT DEVICES
DE3313918A1 (en) * 1982-04-20 1983-10-27 Basf Ag, 6700 Ludwigshafen Process for open and closed loop control of the electrical power required during jointing of thermoplastics by means of ultrasound
DE3317045A1 (en) * 1983-05-10 1984-11-15 Martin Walter Ultraschalltechnik GmbH, 7516 Karlsbad METHOD AND ARRANGEMENT FOR THE CONSTANT POWER DELIVERY OF ULTRASONIC CLEANING SYSTEMS
EP0340470A1 (en) * 1988-05-06 1989-11-08 Satronic Ag Method and circuit for driving an ultrasonic transducer, and their use in atomizing a liquid
US4965532A (en) * 1988-06-17 1990-10-23 Olympus Optical Co., Ltd. Circuit for driving ultrasonic transducer
US4879528A (en) * 1988-08-30 1989-11-07 Olympus Optical Co., Ltd. Ultrasonic oscillation circuit
JP2660020B2 (en) * 1988-10-07 1997-10-08 オリンパス光学工業株式会社 Ultrasound therapy equipment
US5151085A (en) * 1989-04-28 1992-09-29 Olympus Optical Co., Ltd. Apparatus for generating ultrasonic oscillation
US4973876A (en) * 1989-09-20 1990-11-27 Branson Ultrasonics Corporation Ultrasonic power supply
CA2088234C (en) * 1992-01-29 1999-09-14 Akio Atsuta A vibration driven motor or actuator
JP3695773B2 (en) * 1994-05-16 2005-09-14 オリンパス株式会社 Drive unit for ultrasonic transducer
DE60141878D1 (en) * 2000-09-28 2010-06-02 Kao Corp Apparatus and method for cleaning with ultrasound
US6626926B2 (en) * 2000-10-20 2003-09-30 Ethicon Endo-Surgery, Inc. Method for driving an ultrasonic system to improve acquisition of blade resonance frequency at startup

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445750A (en) * 1966-10-17 1969-05-20 Uthe Technology Ultrasonic frequency power supply
US5180363A (en) * 1989-04-27 1993-01-19 Sumitomo Bakelite Company Company Limited Operation device
EP1495727A2 (en) * 2003-07-07 2005-01-12 Olympus Corporation Ultrasonic surgical system and probe
JP2005166933A (en) * 2003-12-02 2005-06-23 Kaijo Corp Device and method for ultrasonic bonding

Also Published As

Publication number Publication date
DE102005030777A1 (en) 2007-01-04
EP1738837A2 (en) 2007-01-03
US7345401B2 (en) 2008-03-18
JP2007007649A (en) 2007-01-18
DE102005030777B4 (en) 2016-10-20
US20070001548A1 (en) 2007-01-04

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