WO2012160501A2 - Procédé de raccordement de panneau flexible et sonde ultrasonore - Google Patents

Procédé de raccordement de panneau flexible et sonde ultrasonore Download PDF

Info

Publication number
WO2012160501A2
WO2012160501A2 PCT/IB2012/052530 IB2012052530W WO2012160501A2 WO 2012160501 A2 WO2012160501 A2 WO 2012160501A2 IB 2012052530 W IB2012052530 W IB 2012052530W WO 2012160501 A2 WO2012160501 A2 WO 2012160501A2
Authority
WO
WIPO (PCT)
Prior art keywords
rotating shaft
printed circuit
flexible printed
flexible
ultrasonic probe
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.)
Ceased
Application number
PCT/IB2012/052530
Other languages
English (en)
Other versions
WO2012160501A3 (fr
Inventor
Hongsheng ZHOU
Huanchun CHEN
Xiao Wen MA
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of WO2012160501A2 publication Critical patent/WO2012160501A2/fr
Publication of WO2012160501A3 publication Critical patent/WO2012160501A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/35—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams
    • G10K11/352—Sound-focusing or directing, e.g. scanning using mechanical steering of transducers or their beams by moving the transducer
    • G10K11/355—Arcuate movement
    • 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
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
    • G01S15/8938—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions
    • G01S15/894—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions by rotation about a single axis

Definitions

  • the present invention relates to a flexible board, and especially to a method of establishing a connection between a repeatedly rotating object and a stationary object by means of a flexible board, and to an ultrasonic probe comprising such a connection.
  • the flexible printed circuit board is a printed circuit formed of a flexible insulating substrate.
  • the flexible printed circuit board can be freely bent, wound and folded, and it can be randomly arranged according to the spatial layout, and is randomly movable and telescopic in the three-dimensional space.
  • the flexible printed circuit board has extensive applications.
  • the flexible printed circuit board is widely used for establishing an electrical and/or signal connection between a repeatedly rotating object and a stationary object.
  • Said board is typically used as a flexible printed circuit board disposed in an ultrasonic probe of an ultrasonic system, and as a flexible printed circuit board disposed between a camera of a monitoring system and its host.
  • the connection between an acoustic head of the ultrasonic probe and the host can be established by means of the flexible printed circuit board and cables.
  • the acoustic head is driven to make a reciprocating scanning motion, and the flexible printed circuit board is bent to and fro along with the reciprocating scanning motion of the acoustic head.
  • the flexible printed circuit board is subjected to a shearing force.
  • the flexible printed circuit board will eventually break.
  • the flexible printed circuit board generally is subjected to a number of 40 million of repeatedly occurring bending cycles.
  • a method of establishing a connection between a repeatedly rotating object and a stationary object must be provided by means of a flexible board, wherein the repeatedly rotating object is fixed to and rotates along with a rotating shaft, a first portion of the flexible board extends from the repeatedly rotating object to the rotating shaft, and a second portion of the flexible board extends from the rotating shaft to the stationary object, characterized in that the first portion of the flexible board is fixedly arranged relative to the repeatedly rotating object and the rotating shaft, and the second portion of the flexible board is arranged so as to be wound around the rotating shaft in such a manner that the second portion of the flexible board winds or unwinds along with the reciprocating rotation of the rotating shaft.
  • the second portion is wound by at least one turn around the rotating shaft.
  • the second portion is wound around the rotating shaft at the same position or helically.
  • the flexible board is fixed to the rotating shaft at an interface between the first portion and the second portion.
  • a groove is formed in the rotating shaft, and the flexible board is a snug fit at the flat bottom of the groove.
  • at least two flexible boards are arranged between the repeatedly rotating object and the stationary object, and the second portions of the adjacent flexible boards are wound around the rotating shaft in opposite directions.
  • the flexible board is a flexible printed circuit board.
  • the repeatedly rotating object and the stationary object are an acoustic head of an ultrasonic probe and a stationary portion of the ultrasonic probe, respectively, or the repeatedly rotating object and the stationary object are a camera of a monitor and a housing of a host of the monitor, respectively.
  • an ultrasonic probe comprising: an ultrasonic acoustic head, a rotating shaft to which the ultrasonic acoustic head is fixed and along with which the ultrasonic acoustic head rotates in a reciprocating manner, a drive mechanism for causing the rotating shaft to rotate, and a flexible printed circuit board provided between the ultrasonic acoustic head and a stationary portion of the ultrasonic probe, the flexible printed circuit board comprising a first portion extending from the ultrasonic acoustic head to the rotating shaft and a second portion extending from the rotating shaft through the stationary portion, characterized in that the first portion of the flexible printed circuit board is fixedly arranged relative to the ultrasonic acoustic head and the rotating shaft, and the second portion of the flexible printed circuit board is arranged so as to be wound around the rotating shaft in such a manner it winds or unwinds along with the reciprocating rotation of the rotating shaft.
  • the second portion is wound by at least one turn around the rotating shaft.
  • the second portion is wound around the rotating shaft at the same position or helically.
  • the flexible printed circuit board is fixed to the rotating shaft at an interface between the first portion and the second portion.
  • a groove is formed in the rotating shaft, and the flexible printed circuit board is a snug fit at the flat bottom of the groove.
  • At least two flexible printed circuit boards are arranged between the ultrasonic acoustic head and the stationary portion, and the second portions of the adjacent flexible printed circuit boards are wound around the rotating shaft in opposite directions.
  • the at least two flexible printed circuit boards are arranged on either side or on the same side of the ultrasonic acoustic head.
  • the arrangement in which the flexible board is wound around the rotating shaft may substantially increase the stressed area of the flexible board, thereby reducing the shearing force per unit area endured by the flexible board.
  • the number of bending cycles of the flexible board may be increased considerably, thereby enhancing its reliability and prolonging its service life, and further enhancing the reliability of the ultrasonic probe and the ultrasonic system and also prolonging their service life.
  • Fig. 1 schematically shows an ultrasonic probe of an ultrasonic system according to the present invention, in which the housing is removed to show clearly its interior configuration;
  • Fig. 2 is a partially enlarged view of Fig. 1, showing in detail the connection of the flexible printed circuit board according to the present invention.
  • Fig. 3 is a side view showing the connection of the flexible printed circuit board according to the present invention. Detailed Description of the Preferred Embodiments
  • Fig. 1 schematically shows an ultrasonic probe of an ultrasonic system according to the present invention, in which the housing is removed so as to show clearly its interior configuration.
  • the ultrasonic probe 1 comprises an ultrasonic acoustic head 3, in which a plurality of ultrasonic transducer elements are arranged to generate an incident ultrasonic wave and receive a reflected ultrasonic wave.
  • the ultrasonic probe 1 further comprises a rotating shaft 5 to which the ultrasonic acoustic head 3 is fixed and along with which the ultrasonic acoustic head 3 rotates (or swings) in a reciprocating manner.
  • the rotating shaft 5 is rotatably fixed to a frame housing (not shown) by a bearing 7.
  • the rotating shaft 5 can make the reciprocating rotation at high speed under the driving action of a drive mechanism 9 in any known suitable manner.
  • the drive mechanism 9 preferably comprises a stepper motor.
  • the ultrasonic system further comprises a host that receives and processes signals from the ultrasonic probe 1 so as to acquire an ultrasonic image of the target to be detected.
  • the host substantially has the same structure as the host of the conventional ultrasonic system, so that a detailed description of the host can be dispensed with.
  • a flexible printed circuit board 13 is arranged between the ultrasonic acoustic head 3 and a stationary portion 11 of the ultrasonic probe 1 for establishing an electrical and/or signal connection.
  • a first portion 13a of the flexible printed circuit board 13 is shown to extend from the ultrasonic acoustic head 3 to the rotating shaft 5 and is fixed to the rotating shaft 5 such that the first portion 13a of the flexible printed circuit board 13 does not move relative to the rotating shaft 5 during rotation of the rotating shaft 5.
  • a second portion 13b of the flexible printed circuit board 13, which extends from the rotating shaft 5 to the stationary portion 11 of the ultrasonic probe 1 is arranged in such a way that it is wound around the rotating shaft 5 and extends continuously through the stationary portion 11.
  • the second portion 13b of the flexible printed circuit board 13 may be wound by one or more turns around the rotating shaft 5.
  • the second portion 13b may be wound spirally around the rotating shaft 5, but preferably the second portion 13b is wound around the rotating shaft 5 at the same position to reduce the required space.
  • An aperture 15 is present in the flexible printed circuit board 13 between the first portion 13a and the second portion 13b, and a corresponding aperture 17 is present in the rotating shaft 5.
  • a screw (not shown) passing through the apertures 15 and 17 secures the first portion 13a of the flexible printed circuit board 13 to the rotating shaft 5, as shown in Fig. 2. It is should be understood that other means, such as bonding, may be used to secure the first portion 13a of the flexible printed circuit board 13 to the rotating shaft 5.
  • a groove 19 is preferably formed in the rotating shaft 5 such that the flexible printed circuit board 13 is a snug fit at the flat bottom of the groove 19.
  • the second portion 13b of the flexible printed circuit board 13, which is wound around the rotating shaft 5, is fixed at, and relative to, the stationary portion 11 of the ultrasonic probe 1, so that during the rotation of the rotating shaft 5, a part of the second portion 13b extending through the stationary portion 11 does not experience any movement relative to the stationary portion 11 or the housing of the ultrasonic probe.
  • one flexible printed circuit board 13 is arranged on either side of the ultrasonic acoustic head 3 so as to be symmetrical
  • one or more than two flexible printed circuit boards 13 may be arranged between the ultrasonic acoustic head 3 and the stationary portion 11 according to the requirements for establishing the electrical and/or signal connection.
  • a plurality of flexible printed circuit boards 13 are arranged, they may be arranged on either side or on the same side of the ultrasonic probe 1.
  • the two flexible printed circuit boards 13 may be wound around the rotating shaft 5 in the same direction.
  • the two flexible printed circuit boards 13 preferably are wound around the rotating shaft 5 in opposite directions so that the forces generated by the two flexible printed circuit boards 13 on the rotating shaft 5 and resisting or retarding such winding or unwinding counteract each other, thereby reducing vibration of the rotating shaft 5 and kinetic energy consumption.
  • the adjacent flexible printed circuit boards 13 may be wound around the rotating shaft 5 in the same direction, but preferably in opposite directions.
  • the rotating shaft 5 makes the reciprocating rotation at high speed under the driving action of the drive mechanism 9, causing the ultrasonic acoustic head 3 to swing at high speed so as to acquire the ultrasonic signal from the target to be detected.
  • the ultrasonic signal is transmitted to the host through the flexible printed circuit board 13 and the cables (not shown) connected to the flexible printed circuit board 13 in order to acquire the ultrasonic image of the target to be detected.
  • the ultrasonic acoustic head 3 the first portion 13a of the flexible printed circuit board 13 and the rotating shaft 5 do not move relative to each other.
  • the second portion 13b of the flexible printed circuit board 13 extends through the stationary portion 11 and is fixed at and relative to the stationary portion 11 or relative to the housing, only the second portion 13b rotates, between its fixed point on the rotating shaft 5 and the stationary portion 11, around an axis O of the rotating shaft 5 when the ultrasonic acoustic head 3 swings at high speed.
  • Such rotation is converted into the winding up of the second portion 13b relative to the rotating shaft 5 in one direction A or the unwinding of the second portion 13b relative to the rotating shaft 5 in the other direction B, as shown in Fig. 3.
  • Fig. 3 As can be seen from Fig.
  • the arrangement in which the flexible printed circuit board 13 is wound around the rotating shaft 5 allows a substantial increase of the stressed area of the flexible printed circuit board, thereby reducing the shearing force per unit area endured by the flexible printed circuit board.
  • the number of bending cycles of the flexible printed circuit board may be increased considerably, thereby enhancing its reliability and prolonging its service life, and further enhancing the reliability of the ultrasonic probe and the ultrasonic system and prolonging their service life.
  • the present invention is not limited to the above preferred embodiments.
  • the flexible printed circuit board also may be arranged in the same way between the high-speed rotating camera of the monitor and its host.
  • the present invention also may be used for arranging other flexible boards, i.e. other than the flexible printed circuit board between the repeatedly rotating object and the stationary object. It should be understood that a person skilled in the art may make various modifications to the present invention without departing from the scope of the claimed invention.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

La présente invention concerne un procédé permettant d'établir un raccordement entre un objet à rotation répétée et un objet stationnaire au moyen d'un panneau flexible, l'objet à rotation répétée étant fixé à un arbre rotatif et se mettant en rotation le long de ce dernier, une première partie du panneau flexible s'étend de l'objet à rotation répétée jusqu'à l'arbre rotatif, et une seconde partie du panneau flexible s'étend de l'arbre rotatif à l'objet stationnaire. L'invention est caractérisée en ce que la première partie du panneau flexible est conçue pour être fixe par rapport à l'objet à rotation répétée et à l'arbre rotatif, et en ce que la seconde partie du panneau flexible est conçue de façon à être enroulée autour de l'arbre rotatif de telle sorte qu'elle s'enroule et se déroule en même temps que la rotation alternative de l'arbre rotatif. La présente invention concerne également une sonde ultrasonore. Selon la présente invention, la manière dont le panneau flexible est enroulé autour de l'arbre rotatif peut amener la surface contrainte du panneau flexible à augmenter sensiblement, réduisant ainsi la force de cisaillement par surface unitaire supportée par le panneau flexible. Le nombre de cycles de flexion du panneau flexible peut être augmenté considérablement, améliorant ainsi la fiabilité et prolongeant la durée de vie du panneau flexible, et améliorant également la fiabilité de la sonde ultrasonore et du système ultrasonore et prolongeant leur durée de vie.
PCT/IB2012/052530 2011-05-23 2012-05-21 Procédé de raccordement de panneau flexible et sonde ultrasonore Ceased WO2012160501A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110133701.9A CN102802353B (zh) 2011-05-23 2011-05-23 柔性板连接方法和超声波探头
CN201110133701.9 2011-05-23

Publications (2)

Publication Number Publication Date
WO2012160501A2 true WO2012160501A2 (fr) 2012-11-29
WO2012160501A3 WO2012160501A3 (fr) 2013-06-27

Family

ID=46704967

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/052530 Ceased WO2012160501A2 (fr) 2011-05-23 2012-05-21 Procédé de raccordement de panneau flexible et sonde ultrasonore

Country Status (2)

Country Link
CN (1) CN102802353B (fr)
WO (1) WO2012160501A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016020877A (ja) * 2014-07-16 2016-02-04 日本電波工業株式会社 メカニカル３ｄ超音波探触子
EP4537764A1 (fr) * 2023-10-12 2025-04-16 Samsung Medison Co., Ltd. Sonde ultrasonore et carte de circuit imprimé souple

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2813907B1 (fr) * 2013-06-11 2018-08-01 LG Electronics, Inc. Terminal mobile de type montre
CN103792529B (zh) * 2014-02-21 2016-01-13 赵剑毅 可旋转超声波模块
CN110213463B (zh) * 2018-12-26 2021-04-09 华为终端有限公司 一种摄像模组及移动终端
CN109782447B (zh) * 2019-02-15 2021-10-15 华为技术有限公司 可穿戴设备
CN112532223B (zh) * 2020-12-24 2021-09-03 深圳市威尔德医疗电子有限公司 一种实时同步成像的探头电路及b超设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5115814A (en) * 1989-08-18 1992-05-26 Intertherapy, Inc. Intravascular ultrasonic imaging probe and methods of using same
US8506490B2 (en) * 2008-05-30 2013-08-13 W.L. Gore & Associates, Inc. Real time ultrasound probe
JP2010207428A (ja) * 2009-03-11 2010-09-24 Toshiba Corp 超音波プローブ
CN202191309U (zh) * 2011-05-23 2012-04-18 上海爱培克电子科技有限公司 超声波探头

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016020877A (ja) * 2014-07-16 2016-02-04 日本電波工業株式会社 メカニカル３ｄ超音波探触子
EP4537764A1 (fr) * 2023-10-12 2025-04-16 Samsung Medison Co., Ltd. Sonde ultrasonore et carte de circuit imprimé souple
US12523753B2 (en) 2023-10-12 2026-01-13 Samsung Medison Co., Ltd. Ultrasonic probe and flexible printed circuit board

Also Published As

Publication number Publication date
WO2012160501A3 (fr) 2013-06-27
CN102802353B (zh) 2016-11-09
CN102802353A (zh) 2012-11-28

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