JPH0211205U - - Google Patents
Info
- Publication number
- JPH0211205U JPH0211205U JP8925788U JP8925788U JPH0211205U JP H0211205 U JPH0211205 U JP H0211205U JP 8925788 U JP8925788 U JP 8925788U JP 8925788 U JP8925788 U JP 8925788U JP H0211205 U JPH0211205 U JP H0211205U
- Authority
- JP
- Japan
- Prior art keywords
- converter
- output
- valve
- pneumatic
- converts
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 1
Landscapes
- Servomotors (AREA)
Description
第１図に本考案の実施例の概略構成図、第２図
は従来技術を説明するための概略説明図である。
１：光信号伝送路、２：光分岐結合器、３：Ｏ
／Ｅ変換器、４：ＣＰＵ、５：Ｄ／Ａ変換器、６
：Ａ／Ｄ変換器、１０：制御部、１１：フラツパ
、１２：ノズル、１３：固定絞り、１４：パイロ
ツト弁、１５：電―空変換器、１６：偏位センサ
、１７：空―偏位変換部、１８：電池、１９：バ
ルブ、Ａ：デイジタル光制御信号、Ｅｉ：アナロ
グ電圧、Ｖｂ：ノズル背圧、Ｖｏ：バルブ制御空
気圧、Ｓ：フイードバツク信号。
FIG. 1 is a schematic configuration diagram of an embodiment of the present invention, and FIG. 2 is a schematic explanatory diagram for explaining the prior art. 1: Optical signal transmission line, 2: Optical branching coupler, 3: O
/E converter, 4: CPU, 5: D/A converter, 6
: A/D converter, 10: Control unit, 11: Flutter, 12: Nozzle, 13: Fixed throttle, 14: Pilot valve, 15: Electro-pneumatic converter, 16: Displacement sensor, 17: Pneumatic-deflection Conversion unit, 18: battery, 19: valve, A: digital light control signal, Ei: analog voltage, Vb: nozzle back pressure, Vo: valve control air pressure, S: feedback signal.
Claims (1)
記圧電フラツパに近接開口し供給空気圧の一部を
前記圧電フラツパに対して噴出するノズルと、前
記圧電フラツパと前記ノズルとの間隔に応じて変
化するノズル背圧を増幅して出力空気圧を出力す
るパイロツト弁とを具備した電―空変換部と； 前記出力空気圧が伝達されるバルブと、該バル
ブの偏位を検出する偏位センサとを具備し、前記
偏位センサの出力をフイードバツク信号として出
力する空―偏位変換部と； 入力されるデイジタル光制御信号をデイジタル
電気信号に変換するＯ／Ｅ変換器と、前記空―偏
位変換部の出力するフイードバツク信号をアナロ
グ／デイジタル変換するＡ／Ｄ変換器と、前記Ｏ
／Ｅ変換器の出力と前記Ａ／Ｄ変換の出力との差
分をデイジタル演算するＣＰＵと、前記ＣＰＵの
出力する差分デイジタル信号をアナログ電圧に変
換するＤ／Ａ変換器とを具備し、前記Ｄ／Ａ変換
器の出力を前記印加電圧として前記電―空変換部
に出力する制御部と、を備えてなり、 前記空―偏位変換部と前記制御部とは電池によ
つて駆動されることを特徴とする光―空気圧ポジ
シヨナ。[Claims for Utility Model Registration] A piezoelectric flapper that deforms according to an applied voltage, a nozzle that opens close to the piezoelectric flapper and jets out a part of the supplied air pressure to the piezoelectric flapper, and the piezoelectric flapper and the nozzle. an electro-pneumatic converter comprising a pilot valve that amplifies the nozzle back pressure that changes according to the interval between the nozzles and outputs the output air pressure; a valve to which the output air pressure is transmitted; and a valve that detects the deviation of the valve. a displacement sensor, and outputs the output of the displacement sensor as a feedback signal; an O/E converter that converts an input digital optical control signal into a digital electrical signal; an A/D converter that converts the feedback signal output from the air-to-deviation converter into analog/digital;
A CPU that digitally calculates the difference between the output of the /E converter and the output of the A/D conversion, and a D/A converter that converts the differential digital signal output from the CPU into an analog voltage; a control section that outputs the output of the /A converter as the applied voltage to the electric-pneumatic converter, and the air-pneumatic converter and the control section are driven by a battery. Optical-pneumatic positioner featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8925788U JPH0211205U (en) | 1988-07-05 | 1988-07-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8925788U JPH0211205U (en) | 1988-07-05 | 1988-07-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0211205U true JPH0211205U (en) | 1990-01-24 |
Family
ID=31313809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8925788U Pending JPH0211205U (en) | 1988-07-05 | 1988-07-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0211205U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6225523U (en) * | 1985-07-29 | 1987-02-17 | ||
| JPS6333003B2 (en) * | 1980-11-21 | 1988-07-04 | Toppan Printing Co Ltd |
-
1988
- 1988-07-05 JP JP8925788U patent/JPH0211205U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6333003B2 (en) * | 1980-11-21 | 1988-07-04 | Toppan Printing Co Ltd | |
| JPS6225523U (en) * | 1985-07-29 | 1987-02-17 |
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