JPS6331326U - - Google Patents
Info
- Publication number
- JPS6331326U JPS6331326U JP12411886U JP12411886U JPS6331326U JP S6331326 U JPS6331326 U JP S6331326U JP 12411886 U JP12411886 U JP 12411886U JP 12411886 U JP12411886 U JP 12411886U JP S6331326 U JPS6331326 U JP S6331326U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- flapper
- pair
- pressure
- flexible members
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す構成図、第２
図は電空ポジシヨナに本考案を適用したときの従
来の構成を示すブロツク図である。
１２…入力処理手段、１４…パイロツトリレー
、１６…圧電アクチユエータ、１６３…可撓部材
、１６６，１６７，…バネ材、１６８…フラツパ
、１８…絞り、１９，２１…変位／電気信号変換
器、２バルブ、２４…ノズル支持体、２４１…ノ
ズル。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a block diagram showing a conventional configuration when the present invention is applied to an electropneumatic positioner. 12...Input processing means, 14...Pilot relay, 16...Piezoelectric actuator, 163...Flexible member, 166, 167,...Spring material, 168...Flapper, 18...Aperture, 19, 21...Displacement/electric signal converter, 2 Valve, 24... nozzle support, 241... nozzle.
Claims (1)
材と、この可撓部材の各々の一端に配置された一
対の圧電素子と、前記一対の可撓部材の他端より
同一方向に対向して一定の間隔を保持して延長さ
れた一対のバネ材で出来たフラツパと、このフラ
ツパに対向して配置され絞りを介して給気圧が供
給されたノズルと、前記圧電素子への入力信号が
ゼロのときに前記ノズルのノズル背圧がゼロにな
るように前記フラツパとノズルとの間の間隔を調
整するバイアス手段とを具備することを特徴とす
る電気／圧力変換機構。 a pair of flexible members arranged opposite to each other with a constant interval; a pair of piezoelectric elements arranged at one end of each of the flexible members; A flapper made of a pair of spring members extended at a constant distance from each other, a nozzle placed opposite the flapper and supplied with air pressure through a throttle, and an input signal to the piezoelectric element. An electric/pressure converting mechanism comprising: bias means for adjusting the distance between the flapper and the nozzle so that the nozzle back pressure of the nozzle becomes zero when the pressure is zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12411886U JPS6331326U (en) | 1986-08-13 | 1986-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12411886U JPS6331326U (en) | 1986-08-13 | 1986-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6331326U true JPS6331326U (en) | 1988-02-29 |
Family
ID=31015838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12411886U Pending JPS6331326U (en) | 1986-08-13 | 1986-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6331326U (en) |
-
1986
- 1986-08-13 JP JP12411886U patent/JPS6331326U/ja active Pending