JPH0447624U - - Google Patents
Info
- Publication number
- JPH0447624U JPH0447624U JP8789290U JP8789290U JPH0447624U JP H0447624 U JPH0447624 U JP H0447624U JP 8789290 U JP8789290 U JP 8789290U JP 8789290 U JP8789290 U JP 8789290U JP H0447624 U JPH0447624 U JP H0447624U
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- detection membrane
- pipe
- high voltage
- actuator
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案に係る流量計の一実施例を示す
縦断面図、第２図は第１図のアクチユエータ拡開
状態を示す縦断面図、第３図は従来の流量計を示
す断面図である。
１……配管、２……開口、３……検出膜、８…
…アクチユエータ、１０……演算器、１２……流
量切換器、１３……昇圧器。
Fig. 1 is a longitudinal sectional view showing an embodiment of the flowmeter according to the present invention, Fig. 2 is a longitudinal sectional view showing the actuator in Fig. 1 in an expanded state, and Fig. 3 is a sectional view showing a conventional flowmeter. It is. 1... Piping, 2... Opening, 3... Detection membrane, 8...
... Actuator, 10 ... Arithmetic unit, 12 ... Flow rate switch, 13 ... Booster.
Claims (1)
の流量計において、 上記配管の内部に複数の開口を有する感圧素子
からなる薄板状の検出膜を配設し、この検出膜の
上流側に高電圧を印加することにより拡開変形さ
れるバイモルフ型のアクチユエータを配設し、上
記検出膜の歪みにより生じる電圧を入力して所定
の演算式に基づいて流量を演算する演算回路と、
この演算回路により算出された流量値が一定値以
上になつた時に、上記アクチユエータに高電圧を
印加する流量切換回路とを有する制御回路を配設
したことを特徴とする流量計。[Claim for Utility Model Registration] A flowmeter for measuring the flow rate of fluid flowing inside a pipe, in which a thin plate-like detection membrane made of a pressure-sensitive element having a plurality of openings is disposed inside the pipe, A bimorph actuator that expands and deforms by applying a high voltage is installed on the upstream side of this detection membrane, and the flow rate is calculated based on a predetermined calculation formula by inputting the voltage generated by the distortion of the detection membrane. an arithmetic circuit that performs
A flow meter comprising a control circuit having a flow rate switching circuit that applies a high voltage to the actuator when the flow rate value calculated by the arithmetic circuit exceeds a certain value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8789290U JPH0447624U (en) | 1990-08-24 | 1990-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8789290U JPH0447624U (en) | 1990-08-24 | 1990-08-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0447624U true JPH0447624U (en) | 1992-04-22 |
Family
ID=31820647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8789290U Pending JPH0447624U (en) | 1990-08-24 | 1990-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447624U (en) |
-
1990
- 1990-08-24 JP JP8789290U patent/JPH0447624U/ja active Pending
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