CN117157992A - 超声波换能器、测距装置以及超声波换能器的制造方法 - Google Patents

超声波换能器、测距装置以及超声波换能器的制造方法 Download PDF

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Publication number
CN117157992A
CN117157992A CN202180096822.2A CN202180096822A CN117157992A CN 117157992 A CN117157992 A CN 117157992A CN 202180096822 A CN202180096822 A CN 202180096822A CN 117157992 A CN117157992 A CN 117157992A
Authority
CN
China
Prior art keywords
ultrasonic transducer
diaphragm
frame
piezoelectric element
vibration plate
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
CN202180096822.2A
Other languages
English (en)
Chinese (zh)
Inventor
梶山佳敬
绀野伸显
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of CN117157992A publication Critical patent/CN117157992A/zh
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Transducers For Ultrasonic Waves (AREA)
CN202180096822.2A 2021-04-13 2021-04-13 超声波换能器、测距装置以及超声波换能器的制造方法 Pending CN117157992A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/015312 WO2022219717A1 (ja) 2021-04-13 2021-04-13 超音波トランスデューサ、測距装置および超音波トランスデューサの製造方法

Publications (1)

Publication Number Publication Date
CN117157992A true CN117157992A (zh) 2023-12-01

Family

ID=83639910

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202180096822.2A Pending CN117157992A (zh) 2021-04-13 2021-04-13 超声波换能器、测距装置以及超声波换能器的制造方法

Country Status (4)

Country Link
US (1) US12477269B2 (https=)
JP (1) JP7660664B2 (https=)
CN (1) CN117157992A (https=)
WO (1) WO2022219717A1 (https=)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2546488B2 (ja) 1993-04-22 1996-10-23 日本電気株式会社 低周波水中送波器
NO328582B1 (no) 2006-12-29 2010-03-22 Tandberg Telecom As Mikrofon for lydkildesporing
US8733176B2 (en) 2009-09-02 2014-05-27 Kontel Data System Limited MEMS stress concentrating structure for MEMS sensors
WO2013042316A1 (ja) 2011-09-22 2013-03-28 パナソニック株式会社 指向性スピーカ
CN103297904B (zh) * 2013-05-18 2015-09-02 歌尔声学股份有限公司 一种双振膜扬声器模组
WO2020220719A1 (zh) * 2019-04-30 2020-11-05 深圳市韶音科技有限公司 一种声学输出装置
WO2020136983A1 (ja) 2018-12-27 2020-07-02 株式会社村田製作所 圧電トランスデューサ
KR20220099980A (ko) * 2019-11-26 2022-07-14 그래프오디오 인코포레이션 그래핀 트랜스듀서
CN111001553B (zh) 2019-12-18 2021-01-26 武汉大学 一种可调谐的超声传感器阵列

Also Published As

Publication number Publication date
US20240179452A1 (en) 2024-05-30
JPWO2022219717A1 (https=) 2022-10-20
WO2022219717A1 (ja) 2022-10-20
US12477269B2 (en) 2025-11-18
JP7660664B2 (ja) 2025-04-11

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