JP6908790B2 - 信号処理回路と、関連するチップ、流量計および方法 - Google Patents

信号処理回路と、関連するチップ、流量計および方法 Download PDF

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Publication number
JP6908790B2
JP6908790B2 JP2020533739A JP2020533739A JP6908790B2 JP 6908790 B2 JP6908790 B2 JP 6908790B2 JP 2020533739 A JP2020533739 A JP 2020533739A JP 2020533739 A JP2020533739 A JP 2020533739A JP 6908790 B2 JP6908790 B2 JP 6908790B2
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signal
received signal
time point
cutoff
received
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Japanese (ja)
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JP2021514459A5 (https=
JP2021514459A (ja
Inventor
ジュン−ユー チャン
ジュン−ユー チャン
シー ヘン ン
シー ヘン ン
Original Assignee
シェンチェン グーディックス テクノロジー カンパニー リミテッド
シェンチェン グーディックス テクノロジー カンパニー リミテッド
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    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/663—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/665—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters of the drag-type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2962—Measuring transit time of reflected waves
    • 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
    • G01S15/50—Systems of measurement, based on relative movement of the target
    • G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
    • G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
    • 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
    • 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
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—Constructional details

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
JP2020533739A 2019-02-01 2019-02-01 信号処理回路と、関連するチップ、流量計および方法 Expired - Fee Related JP6908790B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/074369 WO2020155086A1 (zh) 2019-02-01 2019-02-01 信号处理电路以及相关芯片、流量计及方法

Publications (3)

Publication Number Publication Date
JP2021514459A JP2021514459A (ja) 2021-06-10
JP2021514459A5 JP2021514459A5 (https=) 2021-07-26
JP6908790B2 true JP6908790B2 (ja) 2021-07-28

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JP2020533739A Expired - Fee Related JP6908790B2 (ja) 2019-02-01 2019-02-01 信号処理回路と、関連するチップ、流量計および方法

Country Status (5)

Country Link
US (1) US20200278228A1 (https=)
EP (1) EP3712571A4 (https=)
JP (1) JP6908790B2 (https=)
CN (1) CN109923783B (https=)
WO (1) WO2020155086A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110987099B (zh) * 2019-11-15 2021-08-10 深圳市汇顶科技股份有限公司 流速侦测电路以及相关芯片以及流量计
EP4043838A4 (en) 2019-11-15 2022-11-02 Shenzhen Goodix Technology Co., Ltd. FLOW VELOCITY MEASUREMENT CIRCUIT, ASSOCIATED CHIP, AND FLOW METER

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4787252A (en) * 1987-09-30 1988-11-29 Panametrics, Inc. Differential correlation analyzer
FR2787880B1 (fr) * 1998-12-29 2001-03-02 Schlumberger Ind Sa Dispositif et procede de mesure ultrasonore de debit de fluide comportant un convertisseur analogique numerique sigma-delta passe bande
US6895267B2 (en) * 2001-10-24 2005-05-17 Scimed Life Systems, Inc. Systems and methods for guiding and locating functional elements on medical devices positioned in a body
US7634328B2 (en) * 2004-01-20 2009-12-15 Masoud Medizade Method, system and computer program product for monitoring and optimizing fluid extraction from geologic strata
US7117104B2 (en) * 2004-06-28 2006-10-03 Celerity, Inc. Ultrasonic liquid flow controller
HUP0700785A2 (en) * 2007-12-05 2009-06-29 Thormed Kft Method and apparatus for determining the flow parameters of a streaming medium
US8220584B2 (en) * 2009-05-18 2012-07-17 Magnetrol International, Incorporated Hybrid level measurement system
JP5972373B2 (ja) * 2011-08-04 2016-08-17 エスピー・テクニカル・リサーチ・インスティテュート・オブ・スウェーデン 流体可視化および流体特性化のシステムならびに方法、トランスデューサ
US9689726B2 (en) * 2012-07-09 2017-06-27 Texas Instruments Incorporated Flow meter
JP2014085254A (ja) * 2012-10-24 2014-05-12 Asahi Organic Chemicals Industry Co Ltd 超音波流量計及びこれを備える流体制御装置
WO2017040267A1 (en) * 2015-08-28 2017-03-09 Soneter, Inc. Flow meter configuration and calibration
US10330508B2 (en) * 2015-12-09 2019-06-25 Texas Instruments Incorporated Ultrasonic flowmeter using windowing of received signals
DE102016118421A1 (de) * 2016-09-29 2018-03-29 Sick Ag Lokalisieren eines Ereignisses in einem Sensorsignal

Also Published As

Publication number Publication date
EP3712571A1 (en) 2020-09-23
CN109923783B (zh) 2023-05-30
JP2021514459A (ja) 2021-06-10
US20200278228A1 (en) 2020-09-03
CN109923783A (zh) 2019-06-21
EP3712571A4 (en) 2021-01-20
WO2020155086A1 (zh) 2020-08-06

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