JPH01131104U - - Google Patents
Info
- Publication number
- JPH01131104U JPH01131104U JP2589388U JP2589388U JPH01131104U JP H01131104 U JPH01131104 U JP H01131104U JP 2589388 U JP2589388 U JP 2589388U JP 2589388 U JP2589388 U JP 2589388U JP H01131104 U JPH01131104 U JP H01131104U
- Authority
- JP
- Japan
- Prior art keywords
- solenoid
- power supply
- frequency signal
- movable element
- drive device
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005281 excited state Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
第1図は本考案の一実施例となる電磁駆動装置
の電気回路図、第2図は同電磁駆動装置の概略断
面図である。
1……電磁駆動装置(電磁弁)、2……可動子
、3a,3b……固定子、4a,4b……ソレノ
イド、10……給電制御手段、20……高周波供
給手段、30……位置検出手段。
FIG. 1 is an electric circuit diagram of an electromagnetic drive device according to an embodiment of the present invention, and FIG. 2 is a schematic sectional view of the same electromagnetic drive device. DESCRIPTION OF SYMBOLS 1... Electromagnetic drive device (electromagnetic valve), 2... Mover, 3a, 3b... Stator, 4a, 4b... Solenoid, 10... Power supply control means, 20... High frequency supply means, 30... Position Detection means.
Claims (1)
、このソレノイドへの給電制御を行なう給電制御
手段とを備えた電磁駆動装置において、更に、ソ
レノイドが給電制御手段により給電されず非励磁
状態にある時に、このソレノイドに高周波信号を
供給する高周波信号供給手段と、高周波信号の供
給を受けたソレノイドのインダクタンスの変化を
検出し、このインダクタンスに対応した可動子の
位置を検出する位置検出手段とを備えたことを特
徴とする電磁駆動装置。 In an electromagnetic drive device that includes a movable element, a solenoid that drives the movable element, and a power supply control means that controls power supply to the solenoid, furthermore, when the solenoid is not supplied with power by the power supply control means and is in a non-excited state, , comprising a high-frequency signal supply means for supplying a high-frequency signal to the solenoid, and a position detection means for detecting a change in inductance of the solenoid supplied with the high-frequency signal and detecting a position of the movable element corresponding to this inductance. An electromagnetic drive device characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2589388U JPH01131104U (en) | 1988-03-01 | 1988-03-01 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2589388U JPH01131104U (en) | 1988-03-01 | 1988-03-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01131104U true JPH01131104U (en) | 1989-09-06 |
Family
ID=31247030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2589388U Pending JPH01131104U (en) | 1988-03-01 | 1988-03-01 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01131104U (en) |
-
1988
- 1988-03-01 JP JP2589388U patent/JPH01131104U/ja active Pending