JPS5832427U - Flowmeter - Google Patents
FlowmeterInfo
- Publication number
- JPS5832427U JPS5832427U JP12714781U JP12714781U JPS5832427U JP S5832427 U JPS5832427 U JP S5832427U JP 12714781 U JP12714781 U JP 12714781U JP 12714781 U JP12714781 U JP 12714781U JP S5832427 U JPS5832427 U JP S5832427U
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- certain period
- time
- rate signal
- flowmeter
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第７図は超音波流量計の原質量と送受波器との関係を示
す図、第２図は従来の流量計の流れ方向検出器を示す接
続図、第３図は第２図に示した検出器の入出力特性図、
第４図は従来の流量計における問題点を説明するための
流量の時間廊過を示す図、第５図はこの考案による流量
計の一例を示す接続図、第６図はこの考案をマイクロコ
ンピュータを用いて構成した場合の動作例を示す流れ図
である。
２１：流量検出部、２３：積分回路、２δ：タイマ、２
９：サンプルホールド回路、３４：平均演算回路、３８
：絶対値回路、４３：比較器、４６：出力バッファ回路
。Figure 7 is a diagram showing the relationship between the original mass and the transducer of an ultrasonic flowmeter, Figure 2 is a connection diagram showing the flow direction detector of a conventional flowmeter, and Figure 3 is the same as shown in Figure 2. Detector input/output characteristics diagram,
Fig. 4 is a diagram showing the time passage of flow rate to explain the problems with conventional flowmeters, Fig. 5 is a connection diagram showing an example of a flowmeter according to this invention, and Fig. 6 is a diagram showing this invention using a microcomputer. 12 is a flowchart showing an example of an operation when configured using 21: Flow rate detection section, 23: Integrating circuit, 2δ: Timer, 2
9: Sample hold circuit, 34: Average calculation circuit, 38
: Absolute value circuit, 43: Comparator, 46: Output buffer circuit.
Claims (1)
に応じた流量信号を発生する流量検出部と、その流量信
号を一定時間積分することを繰返す積分手段と、その各
一定時間の積分値に対し演算を施して一定時間の平均流
量信号を出力する平均流量算出手段とを具備する流量計
。A flow rate detection section that generates a flow rate signal corresponding to a flow rate that is larger or smaller than a reference value depending on the flow direction, an integrating means that repeatedly integrates the flow rate signal for a certain period of time, and a calculation for the integral value of each certain period of time. and an average flow rate calculation means for outputting an average flow rate signal for a certain period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12714781U JPS5832427U (en) | 1981-08-26 | 1981-08-26 | Flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12714781U JPS5832427U (en) | 1981-08-26 | 1981-08-26 | Flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5832427U true JPS5832427U (en) | 1983-03-03 |
| JPS6346821Y2 JPS6346821Y2 (en) | 1988-12-05 |
Family
ID=29920890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12714781U Granted JPS5832427U (en) | 1981-08-26 | 1981-08-26 | Flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5832427U (en) |
-
1981
- 1981-08-26 JP JP12714781U patent/JPS5832427U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6346821Y2 (en) | 1988-12-05 |
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