JPS6110180A - Flow control valve - Google Patents

Flow control valve

Info

Publication number
JPS6110180A
JPS6110180A JP12909784A JP12909784A JPS6110180A JP S6110180 A JPS6110180 A JP S6110180A JP 12909784 A JP12909784 A JP 12909784A JP 12909784 A JP12909784 A JP 12909784A JP S6110180 A JPS6110180 A JP S6110180A
Authority
JP
Japan
Prior art keywords
potentiometer
cam
output
valve
flow
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
Application number
JP12909784A
Other languages
Japanese (ja)
Inventor
Junichi Kondo
純一 近藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NIPPON RANKO KK
Original Assignee
NIPPON RANKO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NIPPON RANKO KK filed Critical NIPPON RANKO KK
Priority to JP12909784A priority Critical patent/JPS6110180A/en
Publication of JPS6110180A publication Critical patent/JPS6110180A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00Control of flow
    • G05D7/06Control of flow characterised by the use of electric means

Abstract

PURPOSE:To control flow with high accuracy by feedbacking an output of a potentiometer proportional to a flow to the drive of a motor. CONSTITUTION:When a rotary shaft 5 is rotated by a driving portion 4, a cam 6 is rotated with the opening and closing of a valve loader 3, whereby a lever 7 of a potentiometer 7 slides to change a resistance value of the potentiometer 7. The shape of the cam 6 is suitably selected so that an output of the potentiometer 7 indicates a flow. When an indicating voltage showing a desired flow is supplied to the driving portion 4, the valve loader 3 is rotated until an output voltage of the potentiometer 7 is matched with indicating voltage.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はたとえば冷暖房システムにおける冷温水の流量
調整に用いられる流量制御弁に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a flow control valve used, for example, to adjust the flow rate of cold and hot water in a heating and cooling system.

〔従来の技術および発明が解決しようとする問題点〕一
般に、集中冷暖房システムにおける冷水もしくしよ温水
の供給制御は各冷暖房機に通じる管に設けられた浦、量
制御弁によって行われるが、この糧の流量制御弁は、従
来、オン/オフ制御でちり、この結果、淀猾を精度よく
制御できないという問題点があった。
[Prior art and problems to be solved by the invention] Generally, the supply of cold water or hot water in a central heating and cooling system is controlled by a volume control valve installed in the pipe leading to each air conditioner. Conventionally, food flow rate control valves have a problem in that they generate dust during on/off control, and as a result, the flow rate cannot be controlled accurately.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は、上述の問題点に鑑み、流量が高精度で制御可
能な流量制御弁を提供しようとするものであって、その
手段は、流体通路が形成されたハウジング、該ハウジン
グ内に回転自在に設けられ前記流体通路の流路断面積を
調整するためのバルブローダ、訪バルブローダを回転駆
動するための駆動部、該駆動部と前記バルブローダとの
間に接続された回転軸、該回転軸に固定されたカム、お
よび該カムの径変化量を検出するためのポテンショメー
タを具備し、前記流体通路の流量が前記ポテンショメー
タの出力に実質的に比例するように前記カムの形状を形
成し、前記Iテンショメークの出力に応じて前記駆動部
により前記流体通路の流量を制御するようにした流量制
御弁によって達成される。
In view of the above-mentioned problems, the present invention aims to provide a flow control valve that can control the flow rate with high precision, and the present invention includes a housing in which a fluid passage is formed, and a rotatable valve in the housing. a valve loader provided in the valve loader for adjusting the cross-sectional area of the fluid passage; a drive section for rotationally driving the visiting valve loader; a rotation shaft connected between the drive section and the valve loader; comprising a cam fixed to a shaft and a potentiometer for detecting a change in diameter of the cam, the cam having a shape such that the flow rate of the fluid passage is substantially proportional to the output of the potentiometer; This is achieved by a flow control valve configured to control the flow rate of the fluid passage by the drive unit in accordance with the output of the I tension make.

〔作用〕[Effect]

上述の構成によれば、ポテンショメータの出力が流量に
実質的に比例しているので、ポテンショメータの出力を
モータ駆動にフィードバックすることにより所望の流量
を得ることができる。
According to the above configuration, since the output of the potentiometer is substantially proportional to the flow rate, a desired flow rate can be obtained by feeding back the output of the potentiometer to the motor drive.

〔実施例〕〔Example〕

以下、図面により本発明の詳細な説明する。 Hereinafter, the present invention will be explained in detail with reference to the drawings.

第1図は本発明に係る流量制御弁の一実施例を示す全体
概観図、第2図は第1図のIt−II線断面図である。
FIG. 1 is an overall overview diagram showing an embodiment of a flow control valve according to the present invention, and FIG. 2 is a sectional view taken along the line It-II in FIG. 1.

第1図、第2図において、1は内部に流体通路2が形成
されたハウジングである。ノ・ウジング1の内部には、
流体通路2の流路断面積を調整するためのバルブローダ
3が回転自在に設けられている。4はバルブローダ3を
回転駆動するためのモータを含む駆動部であり、バルブ
ローダ3と回転軸5に参子考接続されている。
In FIGS. 1 and 2, reference numeral 1 denotes a housing in which a fluid passage 2 is formed. Inside No Ujing 1,
A valve loader 3 for adjusting the cross-sectional area of the fluid passage 2 is rotatably provided. Reference numeral 4 denotes a drive unit including a motor for rotationally driving the valve loader 3, and is connected to the valve loader 3 and the rotating shaft 5 for reference.

バルブローダ3の回転軸5の回転角を検出するために、
カム6が回転軸5に固定されている。また、カム6には
ポテンショメーク7のレバー7aを接続させである。な
お、レバー7aはスプリング7hによってカム6に確実
に接触するようにされている。
In order to detect the rotation angle of the rotation shaft 5 of the valve loader 3,
A cam 6 is fixed to the rotating shaft 5. Further, a lever 7a of a potentiometer 7 is connected to the cam 6. Note that the lever 7a is ensured to contact the cam 6 by a spring 7h.

動作を簡単に説明すると、駆動部4により回転11qb
 5が回転す、ると、バルブローダ3の開閉と共にカム
6も回転する。この結果、ポテンショメータ7のレバー
7aがスライドして、+9テンシヨメータ7の抵抗(i
hが変化することになる。力お、第2図におけるバルブ
ローダ3は全開位置にある。
To briefly explain the operation, the drive unit 4 rotates 11qb.
When the valve loader 5 rotates, the cam 6 also rotates as the valve loader 3 opens and closes. As a result, the lever 7a of the potentiometer 7 slides and the +9 resistance of the tensiometer 7 (i
h will change. In addition, the valve loader 3 in FIG. 2 is in the fully open position.

第3図はバルブローダ3の回転角θとハウジング1内の
流体通路2を流れる流体の流量Qとの関係を示すグラフ
である。第3図に示すように、バルブローダ3の開き始
めに流量Qが急激に変化する。従って、回転軸5の過回
転がバルブローダ3の全閉から全開の変化に相当すれば
、カム6は、第4図に示すごとく、第3図の特性に合致
するように形成しである。また、回転軸5の1回転がバ
ルブローダ3の全閉から全開の変化に相当すれば、カム
6は、第5図に示すごとく、第3図の特性に合致するよ
うに形成しである。
FIG. 3 is a graph showing the relationship between the rotation angle θ of the valve loader 3 and the flow rate Q of the fluid flowing through the fluid passage 2 in the housing 1. As shown in FIG. 3, the flow rate Q changes rapidly when the valve loader 3 begins to open. Therefore, if the over-rotation of the rotating shaft 5 corresponds to a change in the valve loader 3 from fully closed to fully open, the cam 6 is formed to match the characteristics shown in FIG. 3, as shown in FIG. Further, if one rotation of the rotating shaft 5 corresponds to a change in the valve loader 3 from fully closed to fully open, the cam 6 is formed to match the characteristics shown in FIG. 3, as shown in FIG.

このように、カム6の形状を適切なものにすることによ
り、ポテンショメーク7の出力自身が流量を示すことに
なるので、所望の流量を示す指示電圧V+nを駆動部4
に供給すると、ポテンショメータ7の出力電圧■、が■
lnと一致するまでバルブローダ3が回転することにな
る。なお、駆動部4は、指示電圧vlnとポテンショメ
ークフの出力1E圧V、とを比較する比較器、比較器の
出力に応じてバルブローダ3を駆動するためのモータ駆
動回路等を含んで構成されているものでおる。
In this way, by making the shape of the cam 6 appropriate, the output of the potentiometer 7 itself indicates the flow rate.
When supplied to , the output voltage of potentiometer 7 becomes ■.
The valve loader 3 will rotate until it matches ln. The drive unit 4 includes a comparator for comparing the command voltage vln and the output 1E voltage V of the potentiometer, a motor drive circuit for driving the valve loader 3 according to the output of the comparator, and the like. It is what is being done.

〔発明の効果〕〔Effect of the invention〕

以上説明したように本発明によれば、流量制御弁の流量
を所望の値に精度よく制御できる。
As explained above, according to the present invention, the flow rate of the flow rate control valve can be accurately controlled to a desired value.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明に係る流量制御弁の一実施例を示す全体
概観図、第2図は第1図のn −n線断面図、第3図は
第2図のバルブローダの回転角とハウジング内の流体通
路を流れる流体の流量との関係を示すη”ラフ、第4図
、第5図は第1図のカムの例を示す平面図である。 1:ハウジング、2.流体通路、3:バルブローダ、4
:枢要1部、5:回転軸、6:カム、7;ポテンショメ
ーク。 ’F’r D出願人 日本ランコ株式会社 特許出願代理人
FIG. 1 is an overall overview diagram showing an embodiment of the flow control valve according to the present invention, FIG. 2 is a sectional view taken along line n-n in FIG. 1, and FIG. Figures 4 and 5 are plan views showing an example of the cam of Figure 1. 1: Housing, 2. Fluid passage, 3: Valve loader, 4
: Pivotal part 1, 5: Rotating shaft, 6: Cam, 7: Potentiometer make. 'F'r D Applicant Nippon Lanco Co., Ltd. Patent Application Agent

Claims (1)

【特許請求の範囲】[Claims] 1、流体通路が形成されたハウジング、該ハウジング内
に回転自在に設けられ前記流体通路の流路断面積を調整
するためのバルブローダ、該バルブローダを回転駆動す
るための駆動部、該駆動部と前記バルブローダとの間に
接続された回転軸、該回転軸に固定されたカム、および
該カムの径変化量を検出するためのポテンショメータを
具備し、前記流体通路の流量が前記ポテンショメータの
出力に実質的に比例するように前記カムの形状を形成し
、前記ポテンショメータの出力に応じて前記駆動部によ
り前記流体通路の流量を制御するようにした流量制御弁
1. A housing in which a fluid passage is formed, a valve loader rotatably provided in the housing and for adjusting the flow passage cross-sectional area of the fluid passage, a drive section for rotationally driving the valve loader, and the drive section. and the valve loader, a rotating shaft connected to the rotating shaft, a cam fixed to the rotating shaft, and a potentiometer for detecting a change in diameter of the cam, and the flow rate of the fluid passage is determined by the output of the potentiometer. The flow control valve has a shape of the cam so as to be substantially proportional to , and the drive section controls the flow rate of the fluid passage in accordance with the output of the potentiometer.
JP12909784A 1984-06-25 1984-06-25 Flow control valve Pending JPS6110180A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12909784A JPS6110180A (en) 1984-06-25 1984-06-25 Flow control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12909784A JPS6110180A (en) 1984-06-25 1984-06-25 Flow control valve

Publications (1)

Publication Number Publication Date
JPS6110180A true JPS6110180A (en) 1986-01-17

Family

ID=15000998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12909784A Pending JPS6110180A (en) 1984-06-25 1984-06-25 Flow control valve

Country Status (1)

Country Link
JP (1) JPS6110180A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116379A (en) * 2011-02-17 2011-07-06 兰州晨兴节能科技有限责任公司 Public building heating automatic energy-saving valve

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938900B1 (en) * 1969-02-25 1974-10-22
JPS57122691A (en) * 1981-01-19 1982-07-30 Akio Funemi Motor controller

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4938900B1 (en) * 1969-02-25 1974-10-22
JPS57122691A (en) * 1981-01-19 1982-07-30 Akio Funemi Motor controller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102116379A (en) * 2011-02-17 2011-07-06 兰州晨兴节能科技有限责任公司 Public building heating automatic energy-saving valve

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