JPH0313643U - - Google Patents
Info
- Publication number
- JPH0313643U JPH0313643U JP7393389U JP7393389U JPH0313643U JP H0313643 U JPH0313643 U JP H0313643U JP 7393389 U JP7393389 U JP 7393389U JP 7393389 U JP7393389 U JP 7393389U JP H0313643 U JPH0313643 U JP H0313643U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- flow switch
- sensor
- detect
- fluid
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案の実施例に係るフロースイツチ
のブロツク、第２図及び第３図は各部の信号の状
態を示すタイミングチヤートである。
１…フロースイツチ、１１…センサー、１５ａ
〜ｃ…比較器、２２…ロータ、２４…検知部材（
検知部）、Ｓｈ…パルス信号、Ｔｈ…パルス幅、
Ｔｒ，Ｔｒａ〜ｃ…パルス幅（基準時間）。
FIG. 1 is a block diagram of a flow switch according to an embodiment of the present invention, and FIGS. 2 and 3 are timing charts showing the states of signals at each part. 1...Flow switch, 11...Sensor, 15a
~c...Comparator, 22...Rotor, 24...Detection member (
detection unit), Sh...pulse signal, Th...pulse width,
Tr, Tra~c...Pulse width (reference time).
Claims (1)
チであつて、 流体の流量にほぼ比例した速度で回転するロー
タと、 前記ロータの回転によつてパルス信号を出力す
るセンサーと、 前記センサーの出力するパルス信号のパルス幅
又はパルス周期と基準時間とを比較する少なくと
も３個の比較器と を有し、 前記各比較器は、 前記ロータの回転速度の下限値、上限値及びこ
れらの中間値をそれぞれ検知するように、前記基
準時間を互いに独立して設定することが可能なよ
うに構成され てなることを特徴とするフロースイツチ。 (2) 前記ロータには磁性体からなる検知部が設
けられており、 前記センサーは、前記検知部を検知するように
構成され てなることを特徴とするフロースイツチ。[Claims for Utility Model Registration] (1) A flow switch that operates according to the flow rate of fluid, comprising a rotor that rotates at a speed approximately proportional to the flow rate of the fluid, and outputs a pulse signal by the rotation of the rotor. and at least three comparators that compare the pulse width or pulse period of the pulse signal output from the sensor with a reference time, and each of the comparators includes: a lower limit value of the rotational speed of the rotor; A flow switch characterized in that the reference times can be set independently of each other so as to detect an upper limit value and an intermediate value thereof. (2) A flow switch characterized in that the rotor is provided with a detection section made of a magnetic material, and the sensor is configured to detect the detection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989073933U JP2515925Y2 (en) | 1989-06-23 | 1989-06-23 | Flow switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989073933U JP2515925Y2 (en) | 1989-06-23 | 1989-06-23 | Flow switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0313643U true JPH0313643U (en) | 1991-02-12 |
| JP2515925Y2 JP2515925Y2 (en) | 1996-11-06 |
Family
ID=31613181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989073933U Expired - Lifetime JP2515925Y2 (en) | 1989-06-23 | 1989-06-23 | Flow switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2515925Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296810A (en) * | 2011-06-13 | 2011-12-28 | 常州市戴溪建筑工程有限公司 | Deformation joint template support structure and construction method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863643U (en) * | 1981-10-23 | 1983-04-28 | 三菱重工業株式会社 | Fault indicator |
| JPS6114447U (en) * | 1984-06-29 | 1986-01-28 | 太陽鉄工株式会社 | flow switch |
| JPS6241638U (en) * | 1985-08-30 | 1987-03-12 |
-
1989
- 1989-06-23 JP JP1989073933U patent/JP2515925Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5863643U (en) * | 1981-10-23 | 1983-04-28 | 三菱重工業株式会社 | Fault indicator |
| JPS6114447U (en) * | 1984-06-29 | 1986-01-28 | 太陽鉄工株式会社 | flow switch |
| JPS6241638U (en) * | 1985-08-30 | 1987-03-12 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296810A (en) * | 2011-06-13 | 2011-12-28 | 常州市戴溪建筑工程有限公司 | Deformation joint template support structure and construction method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2515925Y2 (en) | 1996-11-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |