JPS59161033U - Flow rate or velocity measuring device - Google Patents

Flow rate or velocity measuring device

Info

Publication number
JPS59161033U
JPS59161033U JP5466183U JP5466183U JPS59161033U JP S59161033 U JPS59161033 U JP S59161033U JP 5466183 U JP5466183 U JP 5466183U JP 5466183 U JP5466183 U JP 5466183U JP S59161033 U JPS59161033 U JP S59161033U
Authority
JP
Japan
Prior art keywords
flow rate
ultrasonic wave
measured
measuring device
fluid
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.)
Granted
Application number
JP5466183U
Other languages
Japanese (ja)
Other versions
JPH037783Y2 (en
Inventor
輝基 深見
半沢　正一
Original Assignee
オ−バル機器工業株式会社
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 オ−バル機器工業株式会社 filed Critical オ−バル機器工業株式会社
Priority to JP5466183U priority Critical patent/JPS59161033U/en
Publication of JPS59161033U publication Critical patent/JPS59161033U/en
Application granted granted Critical
Publication of JPH037783Y2 publication Critical patent/JPH037783Y2/ja
Granted legal-status Critical Current

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  • Measuring Volume Flow (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

′　　第１図は、従来の渦流量計の一例を示す図、第２
図は、本考案による渦流量計の一実施例を説明　　　。 するための構成図である。 １・・・流路、２・・・渦発生体、３・・・送波用振動
子、　　　　。 ４・・・受波用振動子、５・・・発振器、６・・・フェ
イズシフター、７・・・位相比較器、８・・・バンドパ
スフィルター、９・・・ローパスフィルター、１０・・
・増幅器、’１１・・・出力ターミナル、１２・・・増
幅器、１３・・・低周波発振器、１４・・・ＡＭ変調器
、１５・・・復調器。 補正　昭５８．　７．１５ 実用新案登録請求の範囲を次のように補正する。 Ｏ実用新案登録請求の範囲 被測定流体中に挿入された渦発生体の後流側に流路を介
して対設した一対の超音波送受波素子を有し、前記超音
波送波素子より送波された超音波が前記渦発生体によっ
て生成されたカルマン渦によって受ける位相変化を検出
して前記被測定流体の流量又は流速を測定するよ゛うに
した流量又は流速測定装置において、前記超音波送波素
子側に変調器、超音波受波素子側に復調器を有し、変調
された超音波の位相変化を検出して流量又は流速を測定
するようにしたことを特徴とする流量又は流速測定装置
。' Figure 1 shows an example of a conventional vortex flowmeter, Figure 2 shows an example of a conventional vortex flowmeter;
The figure illustrates one embodiment of a vortex flowmeter according to the invention. FIG. 1... Channel, 2... Vortex generator, 3... Wave transmission vibrator. 4... Wave receiving transducer, 5... Oscillator, 6... Phase shifter, 7... Phase comparator, 8... Band pass filter, 9... Low pass filter, 10...
- Amplifier, '11... Output terminal, 12... Amplifier, 13... Low frequency oscillator, 14... AM modulator, 15... Demodulator. Correction 1984. 7.15 The scope of claims for utility model registration shall be amended as follows. O Utility Model Registration Scope of Claims A pair of ultrasonic wave transmitting/receiving elements are provided on the downstream side of a vortex generator inserted into a fluid to be measured, and the ultrasonic waves are transmitted from the ultrasonic wave transmitting element. In the flow rate or flow velocity measuring device, the flow rate or flow velocity of the fluid to be measured is measured by detecting the phase change that the waveformed ultrasonic wave undergoes due to the Karman vortex generated by the vortex generator, Flow rate or flow velocity measurement characterized by having a modulator on the wave element side and a demodulator on the ultrasonic receiving element side, and measuring the flow rate or flow velocity by detecting a phase change of the modulated ultrasonic wave. Device.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ′　　被測定流体中に挿入された渦発生体の後流側に流
路を介して対設した一対の超音波送受波素子を有し、−
前記超音波送波素子より送波された超音波が前記渦発生
体によって生成されたカルマン渦によって受ける位相変
化を検出して前記被測定流体の流量又は流速を測定する
ようにした流量又は流速測定装置において、前記超音波
送波素子側にＡＭ変調器、超音波受波素子側に復調器を
有し、’　　　　ＡＭ変調された超音波の位相変化を検
出して流量又は流速を測定するようにしたことを特徴と
する流量又は流速測定装置。' A pair of ultrasonic wave transmitting/receiving elements installed opposite each other via a flow path on the downstream side of the vortex generator inserted into the fluid to be measured, -
Flow rate or flow rate measurement in which the flow rate or flow rate of the fluid to be measured is measured by detecting a phase change that the ultrasonic wave transmitted from the ultrasonic wave transmitting element undergoes due to the Karman vortex generated by the vortex generator. The apparatus has an AM modulator on the ultrasonic wave transmitting element side and a demodulator on the ultrasonic wave receiving element side, and is configured to measure the flow rate or flow velocity by detecting a phase change of the AM modulated ultrasonic wave. A flow rate or flow rate measuring device characterized by:
JP5466183U 1983-04-12 1983-04-12 Flow rate or velocity measuring device Granted JPS59161033U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5466183U JPS59161033U (en) 1983-04-12 1983-04-12 Flow rate or velocity measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5466183U JPS59161033U (en) 1983-04-12 1983-04-12 Flow rate or velocity measuring device

Publications (2)

Publication Number Publication Date
JPS59161033U true JPS59161033U (en) 1984-10-29
JPH037783Y2 JPH037783Y2 (en) 1991-02-26

Family

ID=30185004

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5466183U Granted JPS59161033U (en) 1983-04-12 1983-04-12 Flow rate or velocity measuring device

Country Status (1)

Country Link
JP (1) JPS59161033U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49110374A (en) * 1973-02-20 1974-10-21
JPS5557109A (en) * 1978-10-24 1980-04-26 Mitsubishi Electric Corp Phase demodulator circuit for ultrasonic detection system vortex flowmeter
JPS589026A (en) * 1981-07-09 1983-01-19 Mitsubishi Electric Corp Measuring device of flow rate or flow velocity

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49110374A (en) * 1973-02-20 1974-10-21
JPS5557109A (en) * 1978-10-24 1980-04-26 Mitsubishi Electric Corp Phase demodulator circuit for ultrasonic detection system vortex flowmeter
JPS589026A (en) * 1981-07-09 1983-01-19 Mitsubishi Electric Corp Measuring device of flow rate or flow velocity

Also Published As

Publication number Publication date
JPH037783Y2 (en) 1991-02-26

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