JPH0185583U - - Google Patents
Info
- Publication number
- JPH0185583U JPH0185583U JP18216887U JP18216887U JPH0185583U JP H0185583 U JPH0185583 U JP H0185583U JP 18216887 U JP18216887 U JP 18216887U JP 18216887 U JP18216887 U JP 18216887U JP H0185583 U JPH0185583 U JP H0185583U
- Authority
- JP
- Japan
- Prior art keywords
- operating force
- spool
- signal
- solenoid valve
- detects
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000003745 diagnosis Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 4
- 230000005856 abnormality Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Magnetically Actuated Valves (AREA)
Description
第１図は本実施例の全体構成図、第２図は本実
施例による時間に対するスプールの変位を示す図
、第３図は本実施例による時間に対する操作力の
変化図、第４図は本実施例による時間に対する微
分値の変化図、第５図は従来の検査装置の全体構
成図である。
１……電磁弁、２……スプール、３……駆動装
置、５……操作力検出器、６……位置検出器、７
……異常診断装置。
Fig. 1 is an overall configuration diagram of this embodiment, Fig. 2 is a diagram showing the displacement of the spool with respect to time according to this embodiment, Fig. 3 is a diagram showing changes in operating force with respect to time according to this embodiment, and Fig. 4 is a diagram of the present embodiment. FIG. 5, which is a diagram of changes in differential values with respect to time according to the embodiment, is an overall configuration diagram of a conventional inspection device. 1... Solenoid valve, 2... Spool, 3... Drive device, 5... Operating force detector, 6... Position detector, 7
...Anomaly diagnosis device.
Claims (1)
置と； スプールの位置を検出する位置検出装置と； 往復移動するスプールの操作力を検出する操作
力検出装置と； 前記位置検出装置によるスプールの変位検出信
号及び操作力検出装置による操作力検出信号が入
力され、スプールの変位に対する操作力の微分値
を演算し、この微分値信号と前記操作力信号とに
よつて異常を診断する異常診断装置と； を備えたことを特徴とする電磁弁の検査装置。[Claims for Utility Model Registration] A driving device that applies reciprocating force to the spool of a solenoid valve; A position detecting device that detects the position of the spool; An operating force detecting device that detects the operating force of the reciprocating spool; The spool displacement detection signal from the position detection device and the operating force detection signal from the operating force detection device are input, the differential value of the operating force with respect to the spool displacement is calculated, and an abnormality is detected based on this differential value signal and the operating force signal. An inspection device for a solenoid valve, comprising: an abnormality diagnosis device for diagnosing;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18216887U JPH0185583U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18216887U JPH0185583U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0185583U true JPH0185583U (en) | 1989-06-07 |
Family
ID=31473620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18216887U Pending JPH0185583U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0185583U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013053652A (en) * | 2011-09-02 | 2013-03-21 | Azbil Corp | Method and device for checking positioner fault |
-
1987
- 1987-11-30 JP JP18216887U patent/JPH0185583U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013053652A (en) * | 2011-09-02 | 2013-03-21 | Azbil Corp | Method and device for checking positioner fault |
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