CN119317849A - 超声波产生装置、振子以及物体检测装置 - Google Patents

超声波产生装置、振子以及物体检测装置 Download PDF

Info

Publication number
CN119317849A
CN119317849A CN202380044718.8A CN202380044718A CN119317849A CN 119317849 A CN119317849 A CN 119317849A CN 202380044718 A CN202380044718 A CN 202380044718A CN 119317849 A CN119317849 A CN 119317849A
Authority
CN
China
Prior art keywords
electrode
ultrasonic wave
directivity
electrodes
ultrasonic
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
CN202380044718.8A
Other languages
English (en)
Chinese (zh)
Inventor
菅江一平
井奈波恒
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.)
Aisin Co Ltd
Original Assignee
Aisin 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 Aisin Co Ltd filed Critical Aisin Co Ltd
Publication of CN119317849A publication Critical patent/CN119317849A/zh
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/524—Transmitters
    • 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
    • B06B1/0644—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 using a single piezoelectric element
    • 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
    • B06B1/0644—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 using a single piezoelectric element
    • B06B1/0662—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 using a single piezoelectric element with an electrode on the sensitive surface
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52004—Means for monitoring or calibrating
    • 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
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521—Constructional features
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • 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
    • B06B1/0644—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 using a single piezoelectric element
    • B06B1/0648—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 using a single piezoelectric element of rectangular shape
    • 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
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2015/937—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details
    • G01S2015/938—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles sensor installation details in the bumper area

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
CN202380044718.8A 2022-08-08 2023-07-25 超声波产生装置、振子以及物体检测装置 Pending CN119317849A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-126038 2022-08-08
JP2022126038 2022-08-08
PCT/JP2023/027199 WO2024034391A1 (ja) 2022-08-08 2023-07-25 超音波発生装置、振動子、および、物体検出装置

Publications (1)

Publication Number Publication Date
CN119317849A true CN119317849A (zh) 2025-01-14

Family

ID=89851522

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380044718.8A Pending CN119317849A (zh) 2022-08-08 2023-07-25 超声波产生装置、振子以及物体检测装置

Country Status (5)

Country Link
US (1) US20250314756A1 (https=)
EP (1) EP4571357A4 (https=)
JP (1) JP7831610B2 (https=)
CN (1) CN119317849A (https=)
WO (1) WO2024034391A1 (https=)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0443957A (ja) * 1990-06-11 1992-02-13 Hitachi Ltd 超音波撮像方式
JP4311397B2 (ja) * 2005-11-22 2009-08-12 パナソニック電工株式会社 車両用周辺監視装置
JP2008275460A (ja) * 2007-04-27 2008-11-13 Mitsubishi Electric Corp レーダ装置
JP2008286696A (ja) * 2007-05-18 2008-11-27 Mitsubishi Electric Corp レーダ装置
JP2009014560A (ja) * 2007-07-05 2009-01-22 Denso Corp 障害物検出装置
JP4386109B2 (ja) 2007-07-11 2009-12-16 株式会社デンソー 超音波センサ及び超音波センサの製造方法
JP2012249950A (ja) 2011-06-06 2012-12-20 Olympus Corp 超音波探触子及びそれを用いたイメージング装置
JP7205368B2 (ja) * 2019-04-23 2023-01-17 株式会社Soken 物体検知装置
JP2021192018A (ja) * 2020-06-05 2021-12-16 三菱電機株式会社 運転支援装置
US20230336921A1 (en) * 2020-10-02 2023-10-19 Aisin Corporation Ultrasonic generator, transducer, and object detector

Also Published As

Publication number Publication date
EP4571357A1 (en) 2025-06-18
EP4571357A4 (en) 2025-11-05
US20250314756A1 (en) 2025-10-09
JPWO2024034391A1 (https=) 2024-02-15
WO2024034391A1 (ja) 2024-02-15
JP7831610B2 (ja) 2026-03-17

Similar Documents

Publication Publication Date Title
US11249186B2 (en) Distance detection apparatus and object detection apparatus
WO2019012837A1 (ja) 超音波式の物体検出装置
CN113466874A (zh) 物体检测系统以及物体检测装置
US11150343B2 (en) Object detection system and object detection apparatus
US11698456B2 (en) Object detection system
JP7464140B2 (ja) 超音波発生装置、振動子、および、物体検出装置
CN112154349A (zh) 物体检测装置
JP7700544B2 (ja) 物体検出システムおよび物体検出装置
JP2019200194A (ja) 物体検知装置および駐車支援装置
CN119317849A (zh) 超声波产生装置、振子以及物体检测装置
US20210302571A1 (en) Object detection system
JP7729476B2 (ja) 物体検出装置
US20240151847A1 (en) Object detection device
JP7487534B2 (ja) 物体検出装置
JP7724041B2 (ja) 測距装置、測距方法、プログラム及び測距システム
CN113495274A (zh) 物体检测装置以及物体检测系统
JP7729243B2 (ja) 物体検出装置
CN113805183A (zh) 驾驶辅助装置
US12517246B2 (en) Object detection device
CN112805589A (zh) 物体检测装置
JP2002350540A (ja) 超音波の伝播時間算出装置及び車両用障害物検知システム
JPH0961523A (ja) 超音波距離測定装置
WO2022045006A1 (ja) 物体検知装置
CN120202425A (zh) 多通道超声测量单元及相应方法和计算机程序产品

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination