JPH01138111U - - Google Patents
Info
- Publication number
- JPH01138111U JPH01138111U JP3323588U JP3323588U JPH01138111U JP H01138111 U JPH01138111 U JP H01138111U JP 3323588 U JP3323588 U JP 3323588U JP 3323588 U JP3323588 U JP 3323588U JP H01138111 U JPH01138111 U JP H01138111U
- Authority
- JP
- Japan
- Prior art keywords
- gas
- digital
- analog converter
- proportional valve
- output
- 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
- 238000010408 sweeping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Fluid Pressure (AREA)
Description
第１図はこの考案にかかるガス圧力制御装置を
示すブロツク接続図、第２図は第１図に示すスイ
ツチの外形図、第３図はガス種によるガス比例圧
力スパンの説明図、第４図は従来のガス圧力制御
装置を示すブロツク接続図、第５図は第４図のス
イツチや可変抵抗の操作摘みを備えた操作盤を示
す正面図である。
１……スイツチ、２……記憶素子、３……マイ
クロプロセツサ、４……デイジタル／アナログ変
換器、９……駆動回路。
Fig. 1 is a block connection diagram showing the gas pressure control device according to this invention, Fig. 2 is an external view of the switch shown in Fig. 1, Fig. 3 is an explanatory diagram of gas proportional pressure span depending on gas type, Fig. 4 5 is a block connection diagram showing a conventional gas pressure control device, and FIG. 5 is a front view showing an operation panel equipped with the switch and variable resistance operation knob of FIG. 4. 1...Switch, 2...Storage element, 3...Microprocessor, 4...Digital/analog converter, 9...Drive circuit.
Claims (1)
最大値までの間でスイープするための切換えをす
るスイツチと、上記スイープによつて得たガス種
に応じたガス比例弁の出力を記憶する記憶素子と
、上記スイツチにより選択されたガス種に応じた
ガス比例弁の最適出力をマイクロプロセツサによ
り得て、これをアナログ信号に変換するデイジタ
ル／アナログ変換器と、このデイジタル／アナロ
グ変換器の出力にもとづいてガス比例弁を制御駆
動する駆動回路とを備えたガス圧力制御装置。 (2) 記憶素子が不揮発性メモリである請求項(1)
記載のガス圧力制御装置。 (3) デイジタル／アナログ変換器がパルス幅変
調回路である請求項(1)記載のガス圧力制御装置
。[Scope of Claim for Utility Model Registration] (1) A switch for switching the gas type and sweeping the gas proportional pressure from zero to the maximum value, and A memory element that stores the output of the gas proportional valve, and a digital/analog converter that uses a microprocessor to obtain the optimal output of the gas proportional valve according to the gas type selected by the switch and converts it into an analog signal. and a drive circuit that controls and drives a gas proportional valve based on the output of the digital/analog converter. (2) Claim (1) in which the storage element is a nonvolatile memory
Gas pressure control device as described. (3) The gas pressure control device according to claim (1), wherein the digital/analog converter is a pulse width modulation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3323588U JPH01138111U (en) | 1988-03-15 | 1988-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3323588U JPH01138111U (en) | 1988-03-15 | 1988-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01138111U true JPH01138111U (en) | 1989-09-21 |
Family
ID=31259893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3323588U Pending JPH01138111U (en) | 1988-03-15 | 1988-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01138111U (en) |
-
1988
- 1988-03-15 JP JP3323588U patent/JPH01138111U/ja active Pending
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