JPS6455381U - - Google Patents
Info
- Publication number
- JPS6455381U JPS6455381U JP15144287U JP15144287U JPS6455381U JP S6455381 U JPS6455381 U JP S6455381U JP 15144287 U JP15144287 U JP 15144287U JP 15144287 U JP15144287 U JP 15144287U JP S6455381 U JPS6455381 U JP S6455381U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- solenoid valve
- divided
- occurred
- proportional solenoid
- 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
- 238000010586 diagram Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 4
Description
第１図はこの考案のクレーム対応図、第２図は
この考案の一実施例の制御システムのブロツク図
、第３図はこの実施例の比例電磁弁駆動部の断面
構成図、第４図はこの実施例の分割コイルの巻き
かたと電流方向を示す図、第５図はこの実施例の
制御動作を説明するための流れ図、第６図はこの
実施例の油圧回路図、第７図はこの実施例の作用
を説明する波形図である。第８図は他の実施例の
比例電磁弁駆動部の断面構成図、第９図は従来例
の制御システムのブロツク図、第１０図は同じく
従来例の油圧回路図、第１１図は同じく従来例の
比例電磁弁駆動部の断面構成図である。
１……４Ａ，４Ｂ……分割コイル、５……プツ
シユロツド、１１……ＣＰＵ、１２……アンプ、
１３Ａ，１３Ｂ……駆動素子、１５Ａ，１５Ｂ…
…検出抵抗器、１６Ａ，１６Ｂ……差動アンプ、
１７……コイル断線検出回路、２１……ソレノイ
ドコイル、２１Ａ，２１Ｂ……分割コイル、２２
……比例電流制御手段、２３Ａ，２３Ｂ……駆動
手段、２４Ａ，２４Ｂ……検出抵抗器、２４……
コイル断線検出手段、２５……電流加算手段。
Fig. 1 is a diagram corresponding to the claims of this invention, Fig. 2 is a block diagram of a control system of an embodiment of this invention, Fig. 3 is a cross-sectional configuration diagram of the proportional solenoid valve drive section of this embodiment, and Fig. 4 is FIG. 5 is a flowchart for explaining the control operation of this embodiment. FIG. 6 is a hydraulic circuit diagram of this embodiment. FIG. 3 is a waveform diagram illustrating the operation of the embodiment. Fig. 8 is a cross-sectional configuration diagram of a proportional solenoid valve drive section of another embodiment, Fig. 9 is a block diagram of a control system of a conventional example, Fig. 10 is a hydraulic circuit diagram of a conventional example, and Fig. 11 is a conventional example. FIG. 3 is a cross-sectional configuration diagram of an example proportional solenoid valve drive section. 1...4A, 4B...divided coil, 5...push rod, 11...CPU, 12...amplifier,
13A, 13B...drive element, 15A, 15B...
...Detection resistor, 16A, 16B...Differential amplifier,
17...Coil disconnection detection circuit, 21...Solenoid coil, 21A, 21B...Divided coil, 22
...Proportional current control means, 23A, 23B...Driving means, 24A, 24B...Detection resistor, 24...
Coil disconnection detection means, 25... Current addition means.
Claims (1)
する比例電磁弁と、この電磁弁のソレノイドコイ
ルへの供給電流を制御する手段を備える比例電磁
弁の制御装置において、前記コイルを２以上に分
割して並列接続する一方で、分割された各コイル
に断線が生じたかどうかを検出する手段と、コイ
ル断線が検出された場合に断線の生じた分割コイ
ルに供給すべき電流分を断線の生じていない他の
分割コイルに一定時間加算する手段を設けたこと
を特徴とする比例電磁弁の制御装置。 In a proportional solenoid valve control device comprising a proportional solenoid valve that controls oil pressure or flow rate to a hydraulic actuator, and means for controlling current supplied to a solenoid coil of this solenoid valve, the coil is divided into two or more and connected in parallel. On the other hand, there is a means for detecting whether or not a wire break has occurred in each divided coil, and when a coil break is detected, the current that should be supplied to the divided coil where the wire break has occurred is transferred to another divided coil where the wire break has not occurred. A control device for a proportional solenoid valve, characterized in that a coil is provided with means for adding a certain period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15144287U JPH0520941Y2 (en) | 1987-10-02 | 1987-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15144287U JPH0520941Y2 (en) | 1987-10-02 | 1987-10-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6455381U true JPS6455381U (en) | 1989-04-05 |
| JPH0520941Y2 JPH0520941Y2 (en) | 1993-05-28 |
Family
ID=31425490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15144287U Expired - Lifetime JPH0520941Y2 (en) | 1987-10-02 | 1987-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520941Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010104093A (en) * | 2008-10-21 | 2010-05-06 | Kayaba Ind Co Ltd | Linear actuator |
| JP2010106660A (en) * | 2008-10-28 | 2010-05-13 | Mitsubishi Electric Corp | On/off operation device for hydraulic turbine guide vane |
-
1987
- 1987-10-02 JP JP15144287U patent/JPH0520941Y2/ja not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010104093A (en) * | 2008-10-21 | 2010-05-06 | Kayaba Ind Co Ltd | Linear actuator |
| JP2010106660A (en) * | 2008-10-28 | 2010-05-13 | Mitsubishi Electric Corp | On/off operation device for hydraulic turbine guide vane |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520941Y2 (en) | 1993-05-28 |
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