EP2705906A3 - Ultraschallsystem, Ultraschallgenerator und Verfahren zum Betreiben eines solchen - Google Patents

Ultraschallsystem, Ultraschallgenerator und Verfahren zum Betreiben eines solchen Download PDF

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Publication number
EP2705906A3
EP2705906A3 EP13181693.6A EP13181693A EP2705906A3 EP 2705906 A3 EP2705906 A3 EP 2705906A3 EP 13181693 A EP13181693 A EP 13181693A EP 2705906 A3 EP2705906 A3 EP 2705906A3
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EP
European Patent Office
Prior art keywords
ultrasonic
frequency
phase difference
oscillation system
oscillation
Prior art date
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Granted
Application number
EP13181693.6A
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English (en)
French (fr)
Other versions
EP2705906A2 (de
EP2705906B1 (de
Inventor
M. Sc. Xenia Brühn
Ralf Broszeit
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.)
Weber Ultrasonics AG
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Weber Ultrasonics GmbH
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Publication of EP2705906A2 publication Critical patent/EP2705906A2/de
Publication of EP2705906A3 publication Critical patent/EP2705906A3/de
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Publication of EP2705906B1 publication Critical patent/EP2705906B1/de
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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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

Vorgeschlagen wird ein Verfahren zum Betreiben eines Ultraschallgenerators (2) zur HF-Energieversorgung eines Ultraschallwandlers (3), insbesondere zum Ultraschallschweißen oder zur Ultraschallreinigung, welcher Ultraschallgenerator wenigstens einen elektrisch mittels eines Erregersignals mit einer Erregungsfrequenz (f) erregbaren Schwingkreis (2e) aufweist, der in elektrischer Wirkverbindung mit wenigstens einem elektro-mechanischen Schwingsystem des Ultraschallwandlers steht, dessen Impedanz (f) bei einer Parallelresonanz des Schwingsystems ein Betragsmaximum (PR) und bei einer Serienresonanz des Schwingsystems ein Betragsminimum (SR) aufweist, welches Verfahren sich dadurch auszeichnet, dass a) in dem Schwingkreis (2e), vorzugsweise vor einer darin enthaltenen Paralleldrossel (2f), zumindest beim Anschwingen des Schwingsystems mit einer anfänglichen Erregungsfrequenz (f) die Phasendifferenz zwischen Strom und Spannung des Erregersignals bestimmt und zur Frequenzregelung des Ultraschallgenerators (2) verwendet wird; b) in Abhängigkeit von der bestimmten Phasendifferenz bei einer Phasendifferenz < 0°die anfängliche Erregungsfrequenz (f) derart in ihrer Frequenz geregelt wird, dass bei Erreichen einer Startfrequenz des Erregungssignals die Phasendifferenz im Wesentlichen Null wird und die Impedanz des Schwingsystems sich ihrem Betragsminimum (SR) oder ihrem Betragsmaximum (PR) annähert; c) das Schwingsystem bei der Startfrequenz zu Ultraschallschwingungen angeregt wird und d) die Erregungsfrequenz zur Amplituden- oder Leistungsanpassung des Schwingsystems derart geregelt wird, dass die Phase der Impedanz des Schwingsystems > 0° ist. Weiterhin vorgeschlagen wird ein entsprechend betreibbarer Ultraschallgenerator (2) sowie ein Ultraschallschwingsystem (1) mit einem Ultraschallgenerotor (2) und einem Ultraschallwandler (3).
EP13181693.6A 2012-09-10 2013-08-26 Ultraschallsystem, Ultraschallgenerator und Verfahren zum Betreiben eines solchen Active EP2705906B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012215993.2A DE102012215993A1 (de) 2012-09-10 2012-09-10 Ultraschallsystem, Ultraschallgenerator und Verfahren zum Betreiben eines solchen

Publications (3)

Publication Number Publication Date
EP2705906A2 EP2705906A2 (de) 2014-03-12
EP2705906A3 true EP2705906A3 (de) 2017-12-13
EP2705906B1 EP2705906B1 (de) 2020-06-03

Family

ID=49080676

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13181693.6A Active EP2705906B1 (de) 2012-09-10 2013-08-26 Ultraschallsystem, Ultraschallgenerator und Verfahren zum Betreiben eines solchen

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EP (1) EP2705906B1 (de)
DE (1) DE102012215993A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012217318A1 (de) 2012-09-25 2014-05-28 Weber Ultrasonics Gmbh Kommunikationseinrichtung für ein Ultraschallgerät und Verfahren zum Betreiben eines solchen
WO2017188893A1 (en) * 2016-04-25 2017-11-02 Nanyang Technological University Ultrasound device, method for forming the same and method for controlling the same
DE102017203136A1 (de) * 2017-02-27 2018-08-30 Robert Bosch Gmbh Sensorvorrichtung mit einem Sensor zum Durchführen einer Umfelderfassung mittels Schallwellen
CN108471242A (zh) * 2018-03-13 2018-08-31 深圳市大七易科技有限公司 一种超声波焊接电源频率的扫频追频控制方法
CN113029324B (zh) * 2021-02-20 2022-06-10 山东骏腾医疗科技有限公司 一种基于超声波的快速病理组织处理方法及装置
CN113899947B (zh) * 2021-08-24 2024-03-26 深圳圣诺医疗设备股份有限公司 一种超声换能器获取谐振频率及校准功率方法和系统
CN114290685B (zh) * 2021-12-30 2024-02-06 上海骄成超声波技术股份有限公司 一种超声波发生器和超声波系统
DE102022105944A1 (de) * 2022-03-15 2023-09-21 Herrmann Ultraschalltechnik Gmbh & Co. Kg System zur Erzeugung einer akustischen Ultraschallschwingung mit verbesserter Amplitudenregelung
CN114818807B (zh) * 2022-04-25 2023-07-04 广东利元亨智能装备股份有限公司 频率追踪方法、装置、电子设备及计算机可读存储介质
CN115040200B (zh) * 2022-05-20 2023-11-03 以诺康医疗科技（苏州）有限公司 超声手术工具、其频率跟踪方法、其目标相位差确定方法及超声波换能器等效电路
CN117982203A (zh) * 2024-04-02 2024-05-07 北京速迈医疗科技有限公司 超声系统的振幅控制方法、装置、计算机设备及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254237A2 (de) * 1986-07-25 1988-01-27 Herbert Gässler Verfahren zur phasengesteuerten Leistungs- und Frequenzregelung eines Ultraschallwandlers sowie Vorrichtung zur Durchführung des Verfahrens
DE4400210A1 (de) * 1994-01-05 1995-08-10 Branson Ultraschall Verfahren und Einrichtung zum Betrieb eines Generators zur HF-Energieversorgung eines Ultraschallwandlers
DE69605170T2 (de) * 1995-10-27 2000-07-06 Lorraine Laminage Verfahren und Vorrichtung zur Ansteuerung von Leistungs-Ultraschallgebern
US20120046765A1 (en) * 2010-08-20 2012-02-23 Bio-Rad Laboratories, Inc. System and method for ultrasonic transducer control

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5431664A (en) * 1994-04-28 1995-07-11 Alcon Laboratories, Inc. Method of tuning ultrasonic devices
RU2006147217A (ru) 2005-12-29 2008-07-10 Дюкейн Корпорейшн (Us) Системы для подвода регулируемой мощности к головкам для ультразвуковой сварки
DE102010004468A1 (de) 2010-01-13 2011-07-14 Maschinenfabrik Spaichingen GmbH, 78549 Verfahren und Vorrichtung zur Ultraschallbearbeitung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254237A2 (de) * 1986-07-25 1988-01-27 Herbert Gässler Verfahren zur phasengesteuerten Leistungs- und Frequenzregelung eines Ultraschallwandlers sowie Vorrichtung zur Durchführung des Verfahrens
DE4400210A1 (de) * 1994-01-05 1995-08-10 Branson Ultraschall Verfahren und Einrichtung zum Betrieb eines Generators zur HF-Energieversorgung eines Ultraschallwandlers
DE69605170T2 (de) * 1995-10-27 2000-07-06 Lorraine Laminage Verfahren und Vorrichtung zur Ansteuerung von Leistungs-Ultraschallgebern
US20120046765A1 (en) * 2010-08-20 2012-02-23 Bio-Rad Laboratories, Inc. System and method for ultrasonic transducer control

Also Published As

Publication number Publication date
EP2705906A2 (de) 2014-03-12
EP2705906B1 (de) 2020-06-03
DE102012215993A1 (de) 2014-03-13

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