JPS60150422U - ultrasonic flow meter - Google Patents
ultrasonic flow meterInfo
- Publication number
- JPS60150422U JPS60150422U JP3938284U JP3938284U JPS60150422U JP S60150422 U JPS60150422 U JP S60150422U JP 3938284 U JP3938284 U JP 3938284U JP 3938284 U JP3938284 U JP 3938284U JP S60150422 U JPS60150422 U JP S60150422U
- Authority
- JP
- Japan
- Prior art keywords
- sound velocity
- fluid
- measured
- ultrasonic
- conduit
- 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
Links
Landscapes
- 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
第１図はクランプオン形の超音波流量計の原理を説明す
る原理図、第２図は第１図に示したクランプオン形の超
音波流量計の流速検出部の詳細を示す説明図、第３図は
従来の超音波流量計のスパ□ンの補正をする構成を示す
構成図、第４図は本考案の一実施例の構成を示す構成図
、第５図は本考案の他の実施例の構成を示す構成図であ
る。
１・・・流速検出部、２・・・被測定流体、３・・・管
、５ａ、５ｂ・・・超音波振動子、６・・・流量変換部
、７ａ、７ｂ・・・送信回路、８・・・受信回路、９・
・・信号処理回路、１０・・・スパン補正器、１１・・
・温度検出器、１２・・・分岐管、１４・・・超音波発
信器、１５゛・・・超音波受信器、１６・・・音速測定
回路、１７・・・スパ ′ン補正器。Figure 1 is a principle diagram explaining the principle of a clamp-on type ultrasonic flowmeter, Figure 2 is an explanatory diagram showing details of the flow velocity detection section of the clamp-on type ultrasonic flowmeter shown in Figure 1, Fig. 3 is a block diagram showing the configuration for correcting the span □ of a conventional ultrasonic flowmeter, Fig. 4 is a block diagram showing the configuration of one embodiment of the present invention, and Fig. 5 is a block diagram showing another implementation of the present invention. It is a block diagram which shows the structure of an example. DESCRIPTION OF SYMBOLS 1... Flow velocity detection part, 2... Fluid to be measured, 3... Pipe, 5a, 5b... Ultrasonic vibrator, 6... Flow rate conversion part, 7a, 7b... Transmission circuit, 8... receiving circuit, 9...
...Signal processing circuit, 10...Span corrector, 11...
-Temperature detector, 12...branch pipe, 14...ultrasonic transmitter, 15゛...ultrasonic receiver, 16...sonic speed measurement circuit, 17...span corrector.
Claims (1)
互に逆向きに放射しその放射方向による前記超音波信号
の伝達時間差によ６前記被測定流体の流量を測定する超
音波流量計において、前記管路に設けられ前記被測定流
体の音速を実測する音速検出手段と、前記音速検出手段
の出力を用いて前記管路の管壁の法線方向と超音波信号
の伝達方向とのなす入射角を補正することによりスパン
を補正する手段を具備する超音波流量計。6. An ultrasonic flowmeter that measures the flow rate of the fluid to be measured by emitting ultrasonic signals obliquely and alternately in opposite directions to the fluid to be measured flowing in a conduit and based on the transmission time difference of the ultrasonic signals depending on the direction of emission. a sound velocity detection means provided in the conduit for actually measuring the sound velocity of the fluid to be measured; and a sound velocity detection means for actually measuring the sound velocity of the fluid to be measured; and a method for determining the normal direction of the pipe wall of the conduit and the transmission direction of the ultrasonic signal using the output of the sound velocity detection means. An ultrasonic flowmeter comprising means for correcting the span by correcting the angle of incidence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3938284U JPS60150422U (en) | 1984-03-19 | 1984-03-19 | ultrasonic flow meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3938284U JPS60150422U (en) | 1984-03-19 | 1984-03-19 | ultrasonic flow meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60150422U true JPS60150422U (en) | 1985-10-05 |
Family
ID=30547276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3938284U Pending JPS60150422U (en) | 1984-03-19 | 1984-03-19 | ultrasonic flow meter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60150422U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007017157A (en) * | 2005-07-05 | 2007-01-25 | Aichi Tokei Denki Co Ltd | Ultrasonic flowmeter |
| JP2009505053A (en) * | 2005-08-13 | 2009-02-05 | フロウネティクス リミテッド | Construction method for low cost plastic ultrasonic water meter |
| JP2016520829A (en) * | 2013-04-30 | 2016-07-14 | マイクロ モーション インコーポレイテッド | Volume flow sensor system with mass flow meter and density meter |
-
1984
- 1984-03-19 JP JP3938284U patent/JPS60150422U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007017157A (en) * | 2005-07-05 | 2007-01-25 | Aichi Tokei Denki Co Ltd | Ultrasonic flowmeter |
| JP2009505053A (en) * | 2005-08-13 | 2009-02-05 | フロウネティクス リミテッド | Construction method for low cost plastic ultrasonic water meter |
| JP2016520829A (en) * | 2013-04-30 | 2016-07-14 | マイクロ モーション インコーポレイテッド | Volume flow sensor system with mass flow meter and density meter |
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