JPS59116820U - Ultrasonic Doppler flow meter detector - Google Patents
Ultrasonic Doppler flow meter detectorInfo
- Publication number
- JPS59116820U JPS59116820U JP980783U JP980783U JPS59116820U JP S59116820 U JPS59116820 U JP S59116820U JP 980783 U JP980783 U JP 980783U JP 980783 U JP980783 U JP 980783U JP S59116820 U JPS59116820 U JP S59116820U
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- ultrasonic
- fluid pipe
- doppler
- flow meter
- 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図は従来技術の説明図、第２図は本考案の説明図、
第３図は本考案の一実施例のブロック図である。
１・・・送信回路、４・・・流体管路、５・・・流体、
６・・・くさび、８・・・検波回路、１３・・・変換器
。Fig. 1 is an explanatory diagram of the prior art, Fig. 2 is an explanatory diagram of the present invention,
FIG. 3 is a block diagram of an embodiment of the present invention. 1... Transmission circuit, 4... Fluid pipe line, 5... Fluid,
6... Wedge, 8... Detection circuit, 13... Converter.
Claims (1)
為の超音波振動子と、前記流体管路中の流体に含まれる
超音波の散乱体によるドツプラーシフト周波数の成分を
含む超音波反射信号を受信する為の他の超音波振動子と
を有し、前記ドツプラーシフト周波数が前記流体の速度
に比例することを利用して、前記流体管路中の流体の流
速あるいは流量を測定する超音波式ドツプラー流量計に
おいて、前記超音波振動子と流体管路との間にアルミニ
ウムを材質とするくさびを設け、該くさびから流体管路
への超音波入射角を６０°以上に保つことを特徴とする
超音波式ドツプラー流量計用検出器。An ultrasonic transducer for transmitting an ultrasonic transmission signal to the fluid flowing in the fluid pipe, and an ultrasonic reflection containing a Doppler shift frequency component caused by an ultrasound scatterer contained in the fluid in the fluid pipe. and another ultrasonic transducer for receiving signals, and measures the flow rate or flow rate of the fluid in the fluid conduit by utilizing the fact that the Doppler shift frequency is proportional to the velocity of the fluid. In the ultrasonic Doppler flowmeter, a wedge made of aluminum is provided between the ultrasonic vibrator and the fluid pipe, and the angle of incidence of ultrasonic waves from the wedge to the fluid pipe is maintained at 60° or more. Features: Detector for ultrasonic Doppler flowmeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP980783U JPS59116820U (en) | 1983-01-28 | 1983-01-28 | Ultrasonic Doppler flow meter detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP980783U JPS59116820U (en) | 1983-01-28 | 1983-01-28 | Ultrasonic Doppler flow meter detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59116820U true JPS59116820U (en) | 1984-08-07 |
Family
ID=30141254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP980783U Pending JPS59116820U (en) | 1983-01-28 | 1983-01-28 | Ultrasonic Doppler flow meter detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59116820U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005351827A (en) * | 2004-06-14 | 2005-12-22 | Fuji Electric Systems Co Ltd | Wedge used for doppler ultrasound flowmeter, and wedge unit |
| JP2005351828A (en) * | 2004-06-14 | 2005-12-22 | Fuji Electric Systems Co Ltd | Wedge unit used for doppler ultrasound flowmeter |
| WO2007074779A1 (en) * | 2005-12-27 | 2007-07-05 | The Tokyo Electric Power Company, Incorporated | Ultrasonic flowmeter and wedge for use in ultrasonic flowmeter |
| KR20140104466A (en) * | 2012-01-19 | 2014-08-28 | 날코 컴퍼니 | Fouling reduction device and method |
-
1983
- 1983-01-28 JP JP980783U patent/JPS59116820U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005351827A (en) * | 2004-06-14 | 2005-12-22 | Fuji Electric Systems Co Ltd | Wedge used for doppler ultrasound flowmeter, and wedge unit |
| JP2005351828A (en) * | 2004-06-14 | 2005-12-22 | Fuji Electric Systems Co Ltd | Wedge unit used for doppler ultrasound flowmeter |
| WO2007074779A1 (en) * | 2005-12-27 | 2007-07-05 | The Tokyo Electric Power Company, Incorporated | Ultrasonic flowmeter and wedge for use in ultrasonic flowmeter |
| KR20140104466A (en) * | 2012-01-19 | 2014-08-28 | 날코 컴퍼니 | Fouling reduction device and method |
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