JPS61204981U - - Google Patents
Info
- Publication number
- JPS61204981U JPS61204981U JP8866785U JP8866785U JPS61204981U JP S61204981 U JPS61204981 U JP S61204981U JP 8866785 U JP8866785 U JP 8866785U JP 8866785 U JP8866785 U JP 8866785U JP S61204981 U JPS61204981 U JP S61204981U
- Authority
- JP
- Japan
- Prior art keywords
- flow rate
- pump
- switch
- control circuit
- lower limit
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Description
第１図は従来例を示す回路図、第２図および第
３図は本考案の一実施例を示す配管図および回路
図、第４図は本考案の変形例を示す回路図である
。
１０……流量スイツチ、１０ａ……同上用開閉
素子、１１……圧力スイツチ、１１ａ……同上用
開閉素子、１２……ポンプ、１５……駆動部、１
６，２０……発停制御回路、１７……リレー、１
７ａ……同上用開閉素子。
FIG. 1 is a circuit diagram showing a conventional example, FIGS. 2 and 3 are piping diagrams and circuit diagrams showing an embodiment of the present invention, and FIG. 4 is a circuit diagram showing a modification of the present invention. 10...Flow rate switch, 10a...Switching element for the above, 11...Pressure switch, 11a...Switching element for the above, 12...Pump, 15...Drive unit, 1
6, 20... Start/stop control circuit, 17... Relay, 1
7a...Switching element for the same as above.
Claims (1)
たとき開かれる開閉素子を備えた流量スイツチと
、上記ポンプの吐出側に設けられた流体圧力が所
定の下限値以下に低下したとき閉じられる開閉素
子を備えた圧力スイツチと、上記流量スイツチお
よび圧力スイツチと連係する自己保持型リレーと
を有するものにおいて、上記ポンプの発停制御回
路を上記流量スイツチおよびリレーの直列回路と
並列に、かつ上記圧力スイツチと直列に設けるこ
とを特徴とするポンプ装置用制御回路。 A flow rate switch equipped with an opening/closing element that opens when the discharge flow rate of the pump drops below a predetermined lower limit value, and an opening/closing element provided on the discharge side of the pump that closes when fluid pressure drops below a predetermined lower limit value. and a self-holding relay linked to the flow rate switch and the pressure switch, wherein the pump start/stop control circuit is connected in parallel to the series circuit of the flow rate switch and the relay, and the pressure switch A control circuit for a pump device, characterized in that it is provided in series with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8866785U JPH0447436Y2 (en) | 1985-06-12 | 1985-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8866785U JPH0447436Y2 (en) | 1985-06-12 | 1985-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61204981U true JPS61204981U (en) | 1986-12-24 |
| JPH0447436Y2 JPH0447436Y2 (en) | 1992-11-09 |
Family
ID=30642021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8866785U Expired JPH0447436Y2 (en) | 1985-06-12 | 1985-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447436Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022085089A (en) * | 2020-11-27 | 2022-06-08 | Ｊｆｅスチール株式会社 | Rolled material tracking method, tracking device and conveyance method, and sizing press device and sizing press method |
-
1985
- 1985-06-12 JP JP8866785U patent/JPH0447436Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022085089A (en) * | 2020-11-27 | 2022-06-08 | Ｊｆｅスチール株式会社 | Rolled material tracking method, tracking device and conveyance method, and sizing press device and sizing press method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447436Y2 (en) | 1992-11-09 |
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