JPH0468203U - - Google Patents
Info
- Publication number
- JPH0468203U JPH0468203U JP11053090U JP11053090U JPH0468203U JP H0468203 U JPH0468203 U JP H0468203U JP 11053090 U JP11053090 U JP 11053090U JP 11053090 U JP11053090 U JP 11053090U JP H0468203 U JPH0468203 U JP H0468203U
- Authority
- JP
- Japan
- Prior art keywords
- servo valve
- servo
- drive circuit
- power
- amplifier
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Servomotors (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の一実施例に係るサーボ弁の駆
動回路を示す説明図、第２図はサーボ弁の流量特
性を示す説明図、第３図はストツプバルブを用い
た安全油圧回路の説明図である。
４，５……オペアンプ、６……コンデンサ、Ｓ
Ｗ……スイツチ、Ｌ１，Ｌ２……電源供給線。
Fig. 1 is an explanatory diagram showing a servo valve drive circuit according to an embodiment of the present invention, Fig. 2 is an explanatory diagram showing the flow characteristics of the servo valve, and Fig. 3 is an explanatory diagram of a safe hydraulic circuit using a stop valve. It is. 4, 5...Operation amplifier, 6...Capacitor, S
W...Switch, L1 , L2 ...Power supply line.
Claims (1)
出力し、サーボ弁のスプールを動作制御するよう
にしたサーボ弁の駆動回路において、 前記サーボアンプを適数段の演算増幅器の組合
せ回路で構成し、 前記演算増幅器の電源入力端子に、電源断の状
態にて片電源を供給するコンデンサを接続して成
ることを特徴とするサーボ弁の駆動回路。[Scope of Claim for Utility Model Registration] In a servo valve drive circuit that outputs a command value output from a control unit to a servo amplifier to control the operation of a spool of the servo valve, the servo amplifier is operated in an appropriate number of stages. What is claimed is: 1. A servo valve drive circuit comprising a combination circuit of amplifiers, wherein a capacitor is connected to a power input terminal of the operational amplifier to supply single power when the power is cut off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11053090U JPH0468203U (en) | 1990-10-24 | 1990-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11053090U JPH0468203U (en) | 1990-10-24 | 1990-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0468203U true JPH0468203U (en) | 1992-06-17 |
Family
ID=31857871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11053090U Pending JPH0468203U (en) | 1990-10-24 | 1990-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0468203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825450A (en) * | 1994-07-20 | 1996-01-30 | Nissei Plastics Ind Co | Protection device for injection molding machine |
| JPH0825449A (en) * | 1994-07-20 | 1996-01-30 | Nissei Plastics Ind Co | Protection device for injection molding machine |
-
1990
- 1990-10-24 JP JP11053090U patent/JPH0468203U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825450A (en) * | 1994-07-20 | 1996-01-30 | Nissei Plastics Ind Co | Protection device for injection molding machine |
| JPH0825449A (en) * | 1994-07-20 | 1996-01-30 | Nissei Plastics Ind Co | Protection device for injection molding machine |
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