JPH048806B2 - - Google Patents
Info
- Publication number
- JPH048806B2 JPH048806B2 JP833088A JP833088A JPH048806B2 JP H048806 B2 JPH048806 B2 JP H048806B2 JP 833088 A JP833088 A JP 833088A JP 833088 A JP833088 A JP 833088A JP H048806 B2 JPH048806 B2 JP H048806B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- regulating valve
- self
- powered
- pressure regulating
- 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.)
- Expired
Links
- 230000001105 regulatory effect Effects 0.000 claims description 45
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Control Of Fluid Pressure (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、自力式圧力調節弁の圧力調整装置に
関するもので、特に遠隔操作で２次側圧力を設定
し得る圧力調整装置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a pressure regulating device for a self-powered pressure regulating valve, and particularly to a pressure regulating device that can set the secondary side pressure by remote control. .
従来より自力式圧力調節弁は一定条件の減圧を
目的として使用される場合が多く、圧力設定は一
般に現場操作によつて行なわれている。従来の自
力式圧力調節弁の圧力調整方法を第４図によつて
説明すると、導管１１より送られた１次側圧力の
流体は、導管１２より自力式圧力調節弁１に入
り、２次側圧力まで減圧されて導管１３より必要
先に供給される。一方、１次側圧力が導圧管１
４、手動式調節弁２、導圧管１５を経て自力式圧
力調節弁１に作用しており、２次側圧力の設定は
手動式調圧弁２によつて行なわれる。なお、この
種の装置として関連するものには、例えば特公昭
48−29407号等が挙げられる。
Conventionally, self-powered pressure regulating valves have often been used for the purpose of reducing pressure under certain conditions, and pressure setting is generally performed on-site. The pressure adjustment method of the conventional self-powered pressure regulating valve will be explained with reference to FIG. 4. Fluid at the primary side pressure sent from the conduit 11 enters the self-powered pressure regulating valve 1 through the conduit 12, and then flows to the secondary side. It is depressurized to the desired pressure and supplied through the conduit 13 to the required destination. On the other hand, the primary pressure is
4. It acts on the self-powered pressure regulating valve 1 via the manual pressure regulating valve 2 and the pressure guiding pipe 15, and the setting of the secondary side pressure is performed by the manual pressure regulating valve 2. In addition, related devices of this type include, for example, the
48-29407 etc.
上記従来技術は、２次側に多くの圧力条件を必
要とし、しかも遠隔操作を必要とする場合には、
各圧力に応じた複数個の自力式減圧弁を設置しな
ければならず、また、これらの遠隔切換機構を必
要とするため、設備費が高価となり、かつ操作な
らびに保守が繁雑になる等の問題があつた。
The above conventional technology requires many pressure conditions on the secondary side, and when remote control is required,
It is necessary to install multiple self-powered pressure reducing valves according to each pressure, and a remote switching mechanism is required for these, resulting in problems such as high equipment costs and complicated operation and maintenance. It was hot.
本発明は、遠隔操作によつて自力式圧力調節弁
の２次側圧力を設定することにより、従来技術に
おける課題を解決することを目的としたものであ
る。 The present invention aims to solve the problems in the prior art by setting the secondary side pressure of a self-powered pressure regulating valve by remote control.
上記目的は自力式圧力調節弁の導圧部に通ずる
導圧管に圧力伝送器を設け、前記導圧管の一次圧
力側および大気開放側にそれぞれ自動調節弁を設
け、設定圧力に対応して前記自動調節弁を作動す
る圧力指示調節計を設けることにより達成され
る。
The above purpose is to provide a pressure transmitter in the impulse pipe leading to the pressure part of the self-powered pressure regulating valve, and to install automatic regulating valves on the primary pressure side and the atmosphere release side of the impulse pipe, respectively, and to adjust the pressure to the pressure transmitter according to the set pressure. This is accomplished by providing a pressure indicating regulator that operates the regulating valve.
遠隔場所に設置された圧力指示調節計の設定圧
力を変えることにより、遠隔操作で自動調節弁を
作動させて自力式圧力調節弁の２次側圧力を自動
的に設定することができる。
By changing the set pressure of a pressure indicating controller installed at a remote location, it is possible to remotely operate the automatic control valve and automatically set the secondary side pressure of the self-powered pressure control valve.
以下、本発明の一実施例を第１図により説明す
る。第１図において、第４図と同一部分は同一符
号で示し、説明を省略する。３は自力式圧力調節
弁１の調圧部に連結した導圧管１５内圧力を検出
し、その圧力値を電気信号に変換して圧力指示調
節計（後述）の入力として信号を伝送する圧力伝
送器、４および５は一次側圧力の導圧管１４およ
び導圧管１５の大気開放側に設けられた自動調節
弁、６は遠隔場所に設置され、設定圧力を指示す
る操作盤（図示せず）に設けられた圧力指示調節
計で、設定圧力に対応した信号を発信して自動調
節弁４，５を作動させ、自力式圧力調節弁１の調
圧部に作用する圧力設定を自動的に行なうもので
ある。
An embodiment of the present invention will be described below with reference to FIG. In FIG. 1, the same parts as in FIG. 4 are indicated by the same reference numerals, and their explanation will be omitted. 3 is a pressure transmission device that detects the pressure inside the impulse pipe 15 connected to the pressure regulating part of the self-powered pressure regulating valve 1, converts the pressure value into an electrical signal, and transmits the signal as an input to a pressure indicating regulator (described later). 4 and 5 are automatic control valves installed on the atmosphere opening side of the impulse line 14 and impulse line 15 for the primary side pressure, and 6 is installed at a remote location and is connected to an operation panel (not shown) that indicates the set pressure. The installed pressure indicating regulator transmits a signal corresponding to the set pressure to operate the automatic regulating valves 4 and 5, and automatically sets the pressure acting on the pressure regulating part of the self-powered pressure regulating valve 1. It is.
圧力伝送器３に係る自動調節弁４，５は圧力指
示調節計６の信号をスプリツトレンジで開閉操作
を行なわせるもので、例えば圧力指示調節計６の
信号が電子信号の場合、４〜12mAの時自動調節
弁５が閉止動作し、12〜20mAの時自動調節弁４
が開動作するようになつている。 The automatic control valves 4 and 5 associated with the pressure transmitter 3 are used to open and close the signal from the pressure indicator controller 6 in a split range. For example, if the signal from the pressure indicator controller 6 is an electronic signal, the output voltage is 4 to 12 mA. When , automatic control valve 5 closes, and when 12 to 20mA, automatic control valve 4 closes.
is starting to open and work.
したがつて、遠隔場所に設けられた圧力指示調
節計６の設定圧力を変えることにより、遠隔操作
により自動的に自力式圧力調節弁１の２次側圧力
を設定することができる。 Therefore, by changing the set pressure of the pressure indicating regulator 6 provided at a remote location, it is possible to automatically set the secondary side pressure of the self-powered pressure regulating valve 1 by remote control.
第２図および第３図は本発明の他の実施例を示
したもので、第２図、第３図において第１図と同
部分は同符号で示し説明を省略する。第２図は導
圧管１５の途中にアキユームレータ７を設けたも
ので、自動調節弁４，５の開閉により自力式圧力
調節弁１の導圧部に作用する圧力の時間的変化を
遅らせることにより、圧力変動を緩和して自力式
圧力調節弁１の圧力設定を円滑かつ容易に行なわ
せることができる。第３図は自動調節弁４の一次
圧力側の導圧管１４および自動調節弁５の大気開
放側にそれぞれオリフイス８および９を設けたも
ので、自動調節弁４，５の開閉により自力式圧力
調節弁１の導圧部に作用する圧力の時間的変化を
遅らせることにより、圧力変動を緩和して自力式
圧力調節弁１の圧力設定を円滑かつ容易に行なわ
せると共に、大気放出されるガスの浪費を小さく
することができる。 FIGS. 2 and 3 show other embodiments of the present invention, and in FIGS. 2 and 3, the same parts as in FIG. FIG. 2 shows an example in which an accumulator 7 is provided in the middle of the pressure impulse pipe 15, and it delays the temporal change in the pressure acting on the pressure impulse part of the self-powered pressure regulating valve 1 by opening and closing the automatic regulating valves 4 and 5. As a result, pressure fluctuations can be alleviated and the pressure setting of the self-powered pressure regulating valve 1 can be performed smoothly and easily. In Fig. 3, orifices 8 and 9 are provided on the pressure impulse pipe 14 on the primary pressure side of the automatic control valve 4 and on the atmospheric release side of the automatic control valve 5, respectively, and the pressure can be adjusted by itself by opening and closing the automatic control valves 4 and 5. By delaying the temporal change in the pressure acting on the pressure guiding part of the valve 1, pressure fluctuations are alleviated and the pressure setting of the self-operated pressure regulating valve 1 can be carried out smoothly and easily, and the gas released into the atmosphere is wasted. can be made smaller.
本発明によれば、１個の自力式圧力調節弁を用
い、遠隔操作により自力式圧力調節弁の２次側圧
力を自動的に設定するようにしたものであるか
ら、設備費を低減することができると共に、操作
ならびに保守を簡略化することができ、前述した
従来技術における問題をすべて解決することがで
きる。
According to the present invention, one self-powered pressure regulating valve is used and the secondary side pressure of the self-powered pressure regulating valve is automatically set by remote control, thereby reducing equipment costs. In addition, operation and maintenance can be simplified, and all the problems in the prior art described above can be solved.
第１図は本発明の一実施例を示す自力式圧力調
節弁の圧力調整装置の系統図、第２図および第３
図は本発明の他の実施例を示す自力式圧力調節弁
の圧力調節装置の系統図、第４図は従来の自力式
圧力調節弁の圧力調整方法を示した系統図であ
る。
１……自力式圧力調節弁、２……手動式調圧
弁、３……圧力伝送器、４，５……自動調節弁、
６……圧力指示調節弁、７……アキユームレー
タ、８，９……オリフイス、１１〜１３……導
管、１４，１５……導圧管。
FIG. 1 is a system diagram of a pressure regulating device for a self-powered pressure regulating valve showing an embodiment of the present invention, and FIGS.
The figure is a system diagram of a pressure regulating device for a self-powered pressure regulating valve showing another embodiment of the present invention, and FIG. 4 is a system diagram showing a conventional pressure regulating method for a self-powered pressure regulating valve. 1...Self-operated pressure regulating valve, 2...Manual pressure regulating valve, 3...Pressure transmitter, 4, 5...Automatic regulating valve,
6... Pressure indication control valve, 7... Accumulator, 8, 9... Orifice, 11-13... Conduit, 14, 15... Pressure guiding pipe.
Claims (1)
圧力伝送器を設け、前記導圧管の一次圧力側およ
び大気開放側にそれぞれ自動調節弁を設け、設定
圧力に対応して前記自動調節弁を作動する圧力指
示調節計を設けたことを特徴とする自力式圧力調
節弁の圧力調整装置。 ２ 前記導圧管の途中にアキユームレータを設け
た特許請求の範囲第１項記載の自力式圧力調節弁
の圧力調整装置。 ３ 前記一次圧力側自動調節弁の前流側および大
気開放側自動調節弁の後流側にそれぞれオリフイ
スを設けた特許請求の範囲第１項記載の自力式圧
力調節弁の圧力調整装置。[Claims of Claims] 1. A pressure transmitter is provided in the impulse pipe leading to the pressure guiding part of the self-powered pressure regulating valve, and automatic regulating valves are provided on the primary pressure side and the atmospheric release side of the impulse pipe, respectively, to correspond to the set pressure. 1. A pressure regulating device for a self-powered pressure regulating valve, characterized in that a pressure indicating regulator is provided to operate the automatic regulating valve. 2. The pressure regulating device for a self-powered pressure regulating valve according to claim 1, wherein an accumulator is provided in the middle of the pressure guiding pipe. 3. The pressure regulating device for a self-powered pressure regulating valve according to claim 1, wherein orifices are provided on the upstream side of the primary pressure side automatic regulating valve and on the downstream side of the atmospheric release side automatic regulating valve, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP833088A JPH01184513A (en) | 1988-01-20 | 1988-01-20 | Pressure controller for self-actuated pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP833088A JPH01184513A (en) | 1988-01-20 | 1988-01-20 | Pressure controller for self-actuated pressure regulating valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01184513A JPH01184513A (en) | 1989-07-24 |
| JPH048806B2 true JPH048806B2 (en) | 1992-02-18 |
Family
ID=11690177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP833088A Granted JPH01184513A (en) | 1988-01-20 | 1988-01-20 | Pressure controller for self-actuated pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01184513A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008043422B3 (en) * | 2008-11-03 | 2010-01-07 | Evonik Degussa Gmbh | Process for the purification of low molecular weight hydridosilanes |
-
1988
- 1988-01-20 JP JP833088A patent/JPH01184513A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01184513A (en) | 1989-07-24 |
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Legal Events
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|---|---|---|---|
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|
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| R250 | Receipt of annual fees |
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| EXPY | Cancellation because of completion of term |