JPH02148423U - - Google Patents
Info
- Publication number
- JPH02148423U JPH02148423U JP5768889U JP5768889U JPH02148423U JP H02148423 U JPH02148423 U JP H02148423U JP 5768889 U JP5768889 U JP 5768889U JP 5768889 U JP5768889 U JP 5768889U JP H02148423 U JPH02148423 U JP H02148423U
- Authority
- JP
- Japan
- Prior art keywords
- resistance value
- rotating shaft
- rotating body
- flowmeter
- 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.)
- Granted
Links
- 230000007797 corrosion Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案になる流量計の一実施例の概略
構成図、第２図は接続端子の構造を説明するため
の縦断面図、第３図は本考案の変形例の概略構成
図である。
１……流量計本体、３……開閉弁、６，７……
回転子、６ａ，７ａ……回転軸、９ａ，９ｂ……
接続端子、１３……温度センサ、１４……計測回
路、１５……抵抗変化量判別装置、１６……低抵
抗測定回路、１７……増幅器、１８，１８′……
判別処理ユニツト、１９……温度補正回路、２０
，２０′……判別回路、２２……警報器、２３…
…接続ピン、２４……接触子、３０……基準値設
定回路。
Fig. 1 is a schematic configuration diagram of an embodiment of the flowmeter according to the present invention, Fig. 2 is a vertical cross-sectional view for explaining the structure of the connecting terminal, and Fig. 3 is a schematic configuration diagram of a modified example of the present invention. be. 1...Flowmeter body, 3...Opening/closing valve, 6, 7...
Rotor, 6a, 7a...Rotating shaft, 9a, 9b...
Connection terminal, 13...Temperature sensor, 14...Measuring circuit, 15...Resistance change amount determination device, 16...Low resistance measurement circuit, 17...Amplifier, 18, 18'...
Discrimination processing unit, 19...Temperature correction circuit, 20
, 20'...discrimination circuit, 22...alarm device, 23...
... Connection pin, 24 ... Contact, 30 ... Reference value setting circuit.
Claims (1)
体と、前記回転体を貫通する回転軸とを有し、前
記回転体の回転により流量を計測する流量計にお
いて、 前記回転軸の抵抗値を測定する抵抗値測定手段
と、 前記抵抗値測定手段により測定された抵抗値よ
り前記回転軸の腐食状態を判別する判別手段と、 を具備してなる流量計。[Claims for Utility Model Registration] A flowmeter that has a rotating body that rotates at a rotational speed corresponding to the flow rate of a fluid to be measured, and a rotating shaft that passes through the rotating body, and measures the flow rate by the rotation of the rotating body. A flowmeter comprising: a resistance value measuring means for measuring a resistance value of the rotating shaft; and a determining means for determining a corrosion state of the rotating shaft from the resistance value measured by the resistance value measuring means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989057688U JPH0629690Y2 (en) | 1989-05-19 | 1989-05-19 | Flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989057688U JPH0629690Y2 (en) | 1989-05-19 | 1989-05-19 | Flowmeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02148423U true JPH02148423U (en) | 1990-12-17 |
| JPH0629690Y2 JPH0629690Y2 (en) | 1994-08-10 |
Family
ID=31582626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989057688U Expired - Lifetime JPH0629690Y2 (en) | 1989-05-19 | 1989-05-19 | Flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0629690Y2 (en) |
-
1989
- 1989-05-19 JP JP1989057688U patent/JPH0629690Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0629690Y2 (en) | 1994-08-10 |
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