CN118235544A - 激振电路、振动装置以及车辆 - Google Patents

激振电路、振动装置以及车辆 Download PDF

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Publication number
CN118235544A
CN118235544A CN202280074631.0A CN202280074631A CN118235544A CN 118235544 A CN118235544 A CN 118235544A CN 202280074631 A CN202280074631 A CN 202280074631A CN 118235544 A CN118235544 A CN 118235544A
Authority
CN
China
Prior art keywords
switch
frequency
circuit
current
piezoelectric element
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.)
Pending
Application number
CN202280074631.0A
Other languages
English (en)
Chinese (zh)
Inventor
岸宣孝
高田政明
市原聪
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of CN118235544A publication Critical patent/CN118235544A/zh
Pending 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/202—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement
    • H10N30/2027—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using longitudinal or thickness displacement combined with bending, shear or torsion displacement having cylindrical or annular shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/88—Mounts; Supports; Enclosures; Casings
    • H10N30/883—Additional insulation means preventing electrical, physical or chemical damage, e.g. protective coatings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
CN202280074631.0A 2021-11-10 2022-06-20 激振电路、振动装置以及车辆 Pending CN118235544A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-183592 2021-11-10
JP2021183592 2021-11-10
PCT/JP2022/024577 WO2023084829A1 (ja) 2021-11-10 2022-06-20 励振回路、振動装置および車両

Publications (1)

Publication Number Publication Date
CN118235544A true CN118235544A (zh) 2024-06-21

Family

ID=86335521

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280074631.0A Pending CN118235544A (zh) 2021-11-10 2022-06-20 激振电路、振动装置以及车辆

Country Status (5)

Country Link
US (1) US20240284801A1 (https=)
JP (1) JP7768242B2 (https=)
CN (1) CN118235544A (https=)
DE (1) DE112022004354T5 (https=)
WO (1) WO2023084829A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7739371B2 (ja) * 2023-09-05 2025-09-16 キヤノン株式会社 駆動回路、および記録装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3027692B2 (ja) * 1994-11-18 2000-04-04 赤井電機株式会社 位相差検出回路及び制御装置
JP2000295055A (ja) 1999-04-01 2000-10-20 Matsushita Electric Ind Co Ltd 送信機および受信機
JP5150098B2 (ja) * 2004-02-23 2013-02-20 日本電気株式会社 圧電ポンプ用駆動回路およびこれを用いた冷却システム
EP1786091B1 (en) 2004-07-07 2010-03-17 Seiko Epson Corporation Piezoelectric actuator and device
JP5727300B2 (ja) 2011-05-31 2015-06-03 トランスフォーム・ジャパン株式会社 電圧レギュレータ
JP6087541B2 (ja) 2012-08-31 2017-03-01 キヤノン株式会社 放射線撮像装置、その駆動方法、および放射線撮像システム
US10401618B2 (en) * 2015-03-11 2019-09-03 Texas Instruments Incorporated Ultrasonic lens cleaning system with current sensing

Also Published As

Publication number Publication date
DE112022004354T5 (de) 2024-07-04
JPWO2023084829A1 (https=) 2023-05-19
US20240284801A1 (en) 2024-08-22
JP7768242B2 (ja) 2025-11-12
WO2023084829A1 (ja) 2023-05-19

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