JPS58127318U - flow measuring device - Google Patents
flow measuring deviceInfo
- Publication number
- JPS58127318U JPS58127318U JP2415982U JP2415982U JPS58127318U JP S58127318 U JPS58127318 U JP S58127318U JP 2415982 U JP2415982 U JP 2415982U JP 2415982 U JP2415982 U JP 2415982U JP S58127318 U JPS58127318 U JP S58127318U
- Authority
- JP
- Japan
- Prior art keywords
- measuring device
- rotating blade
- flow measuring
- acoustic pulse
- flow rate
- 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
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図は従来例なる流量測定装置の機構を示す断面図、
第２図は従来例なる音響パルス発生装置の機構を示す概
念図、第３図は本考案の音響パルス発生装置の概念図、
第４図及び第５図は音響パルス発生の時間的順序を示す
グラフ、第６図は本考案なる音響パルス発生装置の一実
施例の説明図、第７図は実施例の信号処理装置の回路図
である＝３・・・回転羽根の軸、４・・・音響パルス発
生装置、７・・・信号処理装置、１３・・・ハンマー、
１９・・・発音体Ｃ，２０・・・発音体Ｄ１２１・・・
発音体Ｅ１２５・・・周波数分析装置。FIG. 1 is a sectional view showing the mechanism of a conventional flow rate measuring device.
FIG. 2 is a conceptual diagram showing the mechanism of a conventional acoustic pulse generator, and FIG. 3 is a conceptual diagram of the acoustic pulse generator of the present invention.
4 and 5 are graphs showing the temporal order of acoustic pulse generation, FIG. 6 is an explanatory diagram of one embodiment of the acoustic pulse generator of the present invention, and FIG. 7 is a circuit of the signal processing device of the embodiment. In the figure, 3... Axis of rotating blade, 4... Acoustic pulse generator, 7... Signal processing device, 13... Hammer,
19... Sounding body C, 20... Sounding body D121...
Sounding body E125...Frequency analysis device.
Claims (1)
羽根の回転に伴い音響パルスを発生する装置と、前記容
器外に設置され前記音響パルスを検知する装置より成る
流量測定装置において、前記回転羽根が一定回転する時
間内に周波数の異なる二つ以上の音響パルスをある順序
で発生する装置を設けたことを特徴とする流量測定装置
。A flow rate measuring device comprising a rotating blade installed in a fluid flow path in a container, a device that generates an acoustic pulse as the rotating blade rotates, and a device installed outside the container to detect the acoustic pulse. . A flow rate measuring device comprising: a device that generates two or more acoustic pulses with different frequencies in a certain order within a period of time during which the rotating blade rotates for a certain period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2415982U JPS58127318U (en) | 1982-02-24 | 1982-02-24 | flow measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2415982U JPS58127318U (en) | 1982-02-24 | 1982-02-24 | flow measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58127318U true JPS58127318U (en) | 1983-08-29 |
Family
ID=30036164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2415982U Pending JPS58127318U (en) | 1982-02-24 | 1982-02-24 | flow measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58127318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9262978B2 (en) | 1998-03-27 | 2016-02-16 | Semiconductor Energy Laboratory Co., Ltd. | Driving circuit of a semiconductor display device and the semiconductor display device |
-
1982
- 1982-02-24 JP JP2415982U patent/JPS58127318U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9262978B2 (en) | 1998-03-27 | 2016-02-16 | Semiconductor Energy Laboratory Co., Ltd. | Driving circuit of a semiconductor display device and the semiconductor display device |
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