JPH0397622U - - Google Patents

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Publication number
JPH0397622U
JPH0397622U JP462090U JP462090U JPH0397622U JP H0397622 U JPH0397622 U JP H0397622U JP 462090 U JP462090 U JP 462090U JP 462090 U JP462090 U JP 462090U JP H0397622 U JPH0397622 U JP H0397622U
Authority
JP
Japan
Prior art keywords
ultrasonic
phase
amplitude
flow measurement
amplitude adjuster
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
JP462090U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP462090U priority Critical patent/JPH0397622U/ja
Publication of JPH0397622U publication Critical patent/JPH0397622U/ja
Pending legal-status Critical Current

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  • Measuring Volume Flow (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の超音波流量計のブ
ロツク図、第２図は超音波送受信器１〜３の配置
図、第３図は本実施例の波形図である。 １，２……超音波送受信器、３……超音波受信
器、４……切替スイツチ、５……送信回路、６…
…位相・振幅調整器、７……加算器、８……増幅
回路、９……検波回路、１０……管。 FIG. 1 is a block diagram of an ultrasonic flowmeter according to an embodiment of the present invention, FIG. 2 is a layout diagram of ultrasonic transceivers 1 to 3, and FIG. 3 is a waveform diagram of this embodiment. 1, 2... Ultrasonic transmitter/receiver, 3... Ultrasonic receiver, 4... Changeover switch, 5... Transmission circuit, 6...
...Phase/amplitude adjuster, 7...Adder, 8...Amplification circuit, 9...Detection circuit, 10...Tube.

Claims (1)

【実用新案登録請求の範囲】 １ 超音波流量計において、 流量測定用超音波送信器から発信された超音波
を受信しない管壁の位置に設けられたノイズ用受
信器と、 ノイズ用受信器で検出されたノイズ信号の位相
と振幅を調整する位相・振幅調整器と、 流量測定用超音波受信器で受信された信号と位
相・振幅調整器の出力信号を加算する加算器とを
有することを特徴とする超音波流量計。 ２ 超音波流量計において、 超音波を発信する流量測定用超音波送信器が超
音波を発信した後、該超音波送信器が受信したノ
イズ信号の位相と振幅を調整する位相・振幅調整
器と、 流量測定用超音波受信器で受信された信号と位
相・振幅調整器の出力信号を加算する加算器とを
有することを特徴とする超音波流量計。[Scope of Claim for Utility Model Registration] 1. In an ultrasonic flowmeter, a noise receiver installed at a position on the pipe wall that does not receive the ultrasonic waves emitted from the ultrasonic transmitter for flow measurement; The present invention includes a phase/amplitude adjuster that adjusts the phase and amplitude of the detected noise signal, and an adder that adds the signal received by the ultrasonic receiver for flow measurement and the output signal of the phase/amplitude adjuster. Features of ultrasonic flowmeter. 2. In the ultrasonic flowmeter, after the ultrasonic transmitter for flow measurement that emits ultrasonic waves emits ultrasonic waves, a phase/amplitude adjuster that adjusts the phase and amplitude of the noise signal received by the ultrasonic transmitter; , An ultrasonic flowmeter characterized by having an adder that adds the signal received by the ultrasonic receiver for flow measurement and the output signal of the phase/amplitude adjuster.
JP462090U 1990-01-24 1990-01-24 Pending JPH0397622U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP462090U JPH0397622U (en) 1990-01-24 1990-01-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP462090U JPH0397622U (en) 1990-01-24 1990-01-24

Publications (1)

Publication Number Publication Date
JPH0397622U true JPH0397622U (en) 1991-10-08

Family

ID=31508357

Family Applications (1)

Application Number Title Priority Date Filing Date
JP462090U Pending JPH0397622U (en) 1990-01-24 1990-01-24

Country Status (1)

Country Link
JP (1) JPH0397622U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010066082A (en) * 2008-09-10 2010-03-25 Panasonic Corp Device for measuring flow of fluid
JP2012173025A (en) * 2011-02-18 2012-09-10 Aichi Tokei Denki Co Ltd Ultrasonic flowmeter and fluid pressure reduction apparatus
KR20180098133A (en) * 2017-02-24 2018-09-03 지크 엔지니어링 게엠베하 Flow measurement with ultrasound

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58161099A (en) * 1982-03-19 1983-09-24 オムロン株式会社 Signal measuring apparatus
JPS635218A (en) * 1986-06-25 1988-01-11 Yokogawa Electric Corp Ultrasonic flowmeter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58161099A (en) * 1982-03-19 1983-09-24 オムロン株式会社 Signal measuring apparatus
JPS635218A (en) * 1986-06-25 1988-01-11 Yokogawa Electric Corp Ultrasonic flowmeter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010066082A (en) * 2008-09-10 2010-03-25 Panasonic Corp Device for measuring flow of fluid
JP2012173025A (en) * 2011-02-18 2012-09-10 Aichi Tokei Denki Co Ltd Ultrasonic flowmeter and fluid pressure reduction apparatus
KR20180098133A (en) * 2017-02-24 2018-09-03 지크 엔지니어링 게엠베하 Flow measurement with ultrasound
US10571320B2 (en) 2017-02-24 2020-02-25 Sick Engineering Gmbh Flow measurement using ultrasound to detect a time of flight difference using noise measurements

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