JPS6069375A - Flow rate adjustment valve opening control device - Google Patents
Flow rate adjustment valve opening control deviceInfo
- Publication number
- JPS6069375A JPS6069375A JP17707783A JP17707783A JPS6069375A JP S6069375 A JPS6069375 A JP S6069375A JP 17707783 A JP17707783 A JP 17707783A JP 17707783 A JP17707783 A JP 17707783A JP S6069375 A JPS6069375 A JP S6069375A
- Authority
- JP
- Japan
- Prior art keywords
- opening
- valve body
- closing
- valve
- adjustment shaft
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0058—Optical means, e.g. light transmission, observation ports
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、空調設備等の配管中に設置して流量調整を行
うために用いられる流量調整弁の開度制御装置に関する
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an opening degree control device for a flow rate regulating valve that is installed in piping of air conditioning equipment and used to regulate the flow rate.
従来は、流量調整弁の弁体を上下動するのに、その弁体
とモータの出力軸とをクランク機構を介し連結し、モー
タの回転運動をクランク機構によって直線運動に変換し
て弁棒に伝達していた。そのため、弁体の位置、つまり
弁口の開度を正確に設定できないという欠点があった。Conventionally, in order to move the valve body of a flow rate adjustment valve up and down, the valve body and the output shaft of a motor were connected via a crank mechanism, and the rotational motion of the motor was converted into linear motion by the crank mechanism, which was then applied to the valve stem. was communicating. Therefore, there is a drawback that the position of the valve body, that is, the opening degree of the valve port cannot be set accurately.
また、従来は、開度制御を行うのに、モータの正転、逆
転に応じて両側の抵抗値が反比例変化するフィードバッ
ク用ポテンショメータと、開度調整用可変抵抗器と、バ
ランシングリレーとを用い、ポテンショメータの抵抗値
と可変抵抗器の抵抗値とが平衡したとき、バランシング
リレーの作動によってモータを停止させていもそのため
、電気的構成が複雑で高価なものとなっていた。In addition, conventionally, to control the opening, a feedback potentiometer whose resistance value on both sides changes in inverse proportion to the forward or reverse rotation of the motor, a variable resistor for adjusting the opening, and a balancing relay are used. Even though the motor is stopped by operating the balancing relay when the resistance value of the potentiometer and the resistance value of the variable resistor are balanced, the electrical configuration is complicated and expensive.
本発明は、上記従来の欠点に鑑み、弁体の位置決め精度
の向上と電気的構成の簡素化を図ったもので、その要旨
は、弁体を調整軸の回転によってねじ式に上下動させる
とともに、電磁石でワンウェークラッチを間欠回転し、
その回転をギヤーを介して調整軸に伝達し、また調整軸
の回転に伴ない減速回転される回転板に、弁体の位置に
対応する複数の透光孔を穿設し、との透光孔を発光素子
と受光素子によって検知することにより、弁口の開度を
弁の外側で光電式に検知し、その検知信号(受光素子の
出力)によって上記電磁石を制御するようにしたことに
ある。In view of the above-mentioned conventional drawbacks, the present invention aims to improve the positioning accuracy of the valve body and simplify the electrical configuration. , the one-way clutch is rotated intermittently using an electromagnet,
The rotation is transmitted to the adjustment shaft via a gear, and the rotary plate, which is rotated at a reduced speed as the adjustment shaft rotates, is provided with a plurality of transparent holes corresponding to the positions of the valve body. By detecting the hole using a light-emitting element and a light-receiving element, the degree of opening of the valve opening is photoelectrically detected on the outside of the valve, and the electromagnet is controlled by the detection signal (output of the light-receiving element). .
以下に本発明を図示の実施例について詳述する0
第1図において弁ハウジング1は、内部ニ矩形の弁室2
を形成するとともに、上面中央に軸受筒部3、両側面中
央に接続管部4,4を突設し、これら接続管部4,40
間の円形間隙を弁口5としている。The present invention will be described in detail below with reference to an illustrated embodiment. In FIG. 1, a valve housing 1 has an internal rectangular valve chamber 2
At the same time, a bearing cylinder part 3 is provided at the center of the upper surface, and connecting pipe parts 4, 4 are provided protrudingly provided at the center of both sides, and these connecting pipe parts 4, 40
The circular gap between them is defined as the valve port 5.
弁室2内には下面V字形の板状の弁体6が上下摺動自在
に嵌装されている。弁体6の上面中央には雌ねじ部(ね
じ孔)7が設けである。弁体6は、その下面が弁ハウジ
ングl内のV字形凹部8に嵌入する位置まで下降すると
、接続管部4,4の間を液密に遮断、つまり弁口5を閉
塞する。A plate-shaped valve body 6 having a V-shaped lower surface is fitted into the valve chamber 2 so as to be vertically slidable. A female threaded portion (screw hole) 7 is provided at the center of the upper surface of the valve body 6 . When the valve body 6 descends to a position where its lower surface fits into the V-shaped recess 8 in the valve housing 1, it fluid-tightly blocks the space between the connecting pipe parts 4, 4, that is, closes the valve port 5.
弁ハウジング1の軸受筒部3 VC(d 、止め環9に
よって調整軸10が回転可能Kit通支承されている。An adjustment shaft 10 is rotatably supported by a bearing cylinder portion 3VC(d) of the valve housing 1 and a retaining ring 9.
止めm9は、軸受筒部3の上端部に螺着したナツト11
によって軸受筒部3に固定されている。The stop m9 is a nut 11 screwed onto the upper end of the bearing cylinder part 3.
It is fixed to the bearing cylinder part 3 by.
調整軸10の下端部は雄ねじ部12となっており、弁体
6の雌ねじ部7と螺合させである〇調整軸10の上端に
は従動ギヤー13、中途には、従動ギヤー13より小径
な小ギヤー14がそれぞれ固着されている。The lower end of the adjustment shaft 10 is a male threaded portion 12, which is screwed into the female threaded portion 7 of the valve body 6. A driven gear 13 is provided at the upper end of the adjustment shaft 10, and a shaft with a smaller diameter than the driven gear 13 is provided in the middle of the adjustment shaft 10. Small gears 14 are fixed to each.
小ギヤー14は、それと相俟って減速機構を構成する大
ギヤー15と噛合されている。大ギヤー15は回転板1
6と同じ軸17に固着され、調整軸100回転は回転板
16に減速して伝達される。The small gear 14 is meshed with a large gear 15 that together constitutes a speed reduction mechanism. Large gear 15 is rotating plate 1
6 is fixed to the same shaft 17, and 100 rotations of the adjustment shaft are transmitted to the rotary plate 16 at a reduced speed.
回転板16は、弁体6の位置に対応する円周所定位置に
複数の透光孔、例えば全開位置と半開位置と全閉位置に
それぞれ対応する3個の透光孔18を穿設している。こ
れら3個の透光孔18をそれぞれ検知するために、回転
板16の上下両側方に3組の発光素子19と受光素子2
0が対向配置されている。The rotating plate 16 has a plurality of transparent holes 18 formed at predetermined circumferential positions corresponding to the positions of the valve body 6, for example, three transparent holes 18 corresponding to the fully open position, the half open position, and the fully closed position. There is. In order to detect each of these three transparent holes 18, three sets of light emitting elements 19 and light receiving elements 2 are installed on both sides of the top and bottom of the rotary plate 16.
0 are placed opposite each other.
従動ギヤー13には開動用と閉動用の2枚の駆動ギヤー
21a、21bが噛合されている。Two driving gears 21a and 21b, one for opening and one for closing, are meshed with the driven gear 13.
これら駆動ギヤー21 a s 2 l bは、それぞ
れドッグクラッチ22a、22bを介し開動用ワンウェ
ークラッチ23a、閉動用ワンウェークラッチ23bに
連結されている。ワンウェー1ラツチ23m、23bは
それぞれ開動用電磁石24a、閉動用電磁石24bのプ
ランジャに連結され、これら電磁石の作動によって互い
に反対方向に間欠回転される。ドッグクラッチ22a。These drive gears 21 a s 2 l b are connected to an opening one-way clutch 23 a and a closing one-way clutch 23 b via dog clutches 22 a and 22 b, respectively. The one-way latch 23m, 23b is connected to the plunger of an opening electromagnet 24a and a closing electromagnet 24b, respectively, and is intermittently rotated in opposite directions by the operation of these electromagnets. Dog clutch 22a.
22bはそれぞれクラッチ断続用電磁石25a。22b are electromagnets 25a for clutch engagement/disconnection.
25bの作動によって断続される。It is interrupted by the operation of 25b.
3個の受光素子20の出力は第2図に示す制御回路26
に入力され、3個の透光孔18のうちいずれが検知され
たか、つまり弁体6は全開。The outputs of the three light receiving elements 20 are controlled by a control circuit 26 shown in FIG.
is input, and which of the three transparent holes 18 is detected, that is, the valve body 6 is fully open.
半開、全開のいずれの位置に設定されたか判定される。It is determined whether the position is set to half open or fully open.
制御回路26は指令回路27からの指令信号に従い、電
磁石24a、24b、25&。The control circuit 26 follows the command signal from the command circuit 27 to control the electromagnets 24a, 24b, 25&.
25bを付勢、消勢する。25b is energized and deenergized.
よって、ドッグクラッチ22aが接続され、開動用電磁
石24mが一定周期で繰り返し付勢。Therefore, the dog clutch 22a is connected, and the opening electromagnet 24m is repeatedly energized at a constant cycle.
消勢されると、開動用ワンウェークラッチ23aが間欠
回転され、その回転が開動用駆動ギヤー21a、従動ギ
ヤー13を介し調整軸10に伝達され、弁体6が上昇す
る。When deenergized, the opening one-way clutch 23a is intermittently rotated, the rotation is transmitted to the adjustment shaft 10 via the opening drive gear 21a and the driven gear 13, and the valve body 6 is raised.
他方、ドッグクラッチ22bが接続され、閉動用電磁石
24bが一定周期で繰り返し付勢。On the other hand, the dog clutch 22b is connected, and the closing electromagnet 24b is repeatedly energized at a constant cycle.
消勢されると、閉動用ワンウェークラッチ23bが間欠
回転され、その回転が閉動用駆動ギヤー21b、従動キ
ャー13を介し調整軸10に伝達され、弁体6が下降す
る。When deenergized, the closing one-way clutch 23b is intermittently rotated, and the rotation is transmitted to the adjustment shaft 10 via the closing drive gear 21b and the driven carrier 13, and the valve body 6 is lowered.
なお、調整軸10は、その角形頭部10′に非常時用ハ
ンドル28を着脱自在に取り付けることによって手動回
転させることができる。The adjustment shaft 10 can be manually rotated by detachably attaching an emergency handle 28 to its square head 10'.
上記実施例では、回転板16に3個の透光孔18を穿設
し、弁体6の全開、半開、全開の3位置を検知したが、
透光孔18の数をさらに多くシ、かつそれに応じて発光
素子19と受光素子20の組数も多くすれば、弁体6の
位置を多段に検知できる。In the above embodiment, three transparent holes 18 are formed in the rotary plate 16 to detect the three positions of the valve body 6: fully open, half open, and fully open.
By increasing the number of transparent holes 18 and correspondingly increasing the number of pairs of light emitting elements 19 and light receiving elements 20, the position of the valve body 6 can be detected in multiple stages.
本発明によれば次のような効果がある。According to the present invention, there are the following effects.
■ 電磁石でワンウェークラッチを間欠回転し、その回
転をギヤーを介して調整軸に伝達し、しかも調整軸の回
転を、その雄ねじ部と弁体の雌ねじ部とによって螺進運
動にして弁体に伝達するので、弁体を所定の位置に正確
に位置決めできる。■ The one-way clutch is intermittently rotated by an electromagnet, and the rotation is transmitted to the adjustment shaft via a gear, and the rotation of the adjustment shaft is transmitted to the valve body as a spiral motion by the male threaded part of the adjustment shaft and the female threaded part of the valve body. Therefore, the valve body can be accurately positioned at a predetermined position.
■ 調整軸の回転を減速機構を介して回転板に伝達し、
しかもこの回転板の回転角度、つまり弁体の位置を、回
転板に穿設された透光孔に光を通過させて受光素子で受
光することによって検知するので、その検知を精度よく
的確に行うことができ、しかも電気的構成を簡素にでき
る0■ The rotation of the adjustment shaft is transmitted to the rotary plate via the reduction mechanism,
Moreover, the rotation angle of this rotary plate, or the position of the valve body, is detected by passing light through a transparent hole drilled in the rotary plate and receiving the light with a light receiving element, so the detection can be performed accurately and accurately. 0, which can simplify the electrical configuration.
第1図は本発明の一実施例を示す斜視図、第2図はその
電気的構成を示すブロックダイヤグラムである。
1・・・弁ハウジング、6・・・弁体、10・・・調整
軸、5・・・弁口、12・・・雄ねじ部、7・・・雌ね
じ部、13・・・従動ギヤー、21a、21b・・・開
動用と閉動用の駆動ギヤー、24a、24b・・・開動
用と閉動用の電磁石、23a、23b・・・開動用と開
動用のワンウェークラッチ、25a、25b・・・クラ
ッチ断続用電磁石、22a、22b・・・ドッグクラッ
チ、18・・・透光孔、16・・・回転板、14.15
・・・減速機構を構成する小ギヤー及び大ギヤー、19
・・・発光素子、20・・・受光素子、26・・・制御
回路。
特許出願人 株式会社 間 組FIG. 1 is a perspective view showing an embodiment of the present invention, and FIG. 2 is a block diagram showing its electrical configuration. DESCRIPTION OF SYMBOLS 1... Valve housing, 6... Valve body, 10... Adjustment shaft, 5... Valve port, 12... Male thread part, 7... Female thread part, 13... Driven gear, 21a , 21b... Drive gear for opening and closing, 24a, 24b... Electromagnet for opening and closing, 23a, 23b... One-way clutch for opening and opening, 25a, 25b... Clutch Intermittent electromagnet, 22a, 22b...dog clutch, 18...transparent hole, 16...rotating plate, 14.15
...Small gear and large gear constituting the reduction mechanism, 19
. . . Light emitting element, 20 . . . Light receiving element, 26 . . . Control circuit. Patent applicant Hazama Gumi Co., Ltd.
Claims (1)
もに、調整軸を回転可能に支承し、調整軸の回転に伴な
い弁体を摺動させて弁口の開度を変化させるべく、調整
軸の雄ねじ部と弁体の雌ねじ部とを螺合させ、調整軸の
外側突出部に従動ギヤーを固着し、この従動ギヤーに開
動用駆動ギヤーと閉動用駆動ギヤーを噛合させ、開動用
電磁石によって回転される開動用ワンウェークラッチと
上記開動用駆動ギヤーの間、及び閉動用電磁石によって
回転される閉動用ワンウェークラッチと上記閉動用駆動
ギヤーの間に、クラッチ断続用電磁石によって断続され
るドッグクラッチをそれぞれ設け、また複数の透光孔を
上記弁体の位置に対応する円周所定位置に穿設した回転
板と上記調整軸とを減速機構を介し連結し、回転板の一
側方と他側方に、上記複数の透光孔にそれぞれ対応する
複数組の発光素子と受光素子を対向配置し、さらに受光
素子の出力に従って上記開動用と閉動用の電磁石及びク
ラッチ断続用電磁石を制御する制御回路を備えたことを
特徴とする流量調整弁の開度制御装置。1. In order to fit the valve body into the valve housing so that it can freely slide up and down, and rotatably support the adjustment shaft, and to change the opening degree of the valve port by sliding the valve body as the adjustment shaft rotates. , the male threaded part of the adjustment shaft and the female threaded part of the valve body are screwed together, a driven gear is fixed to the outer protrusion of the adjustment shaft, an opening driving gear and a closing driving gear are meshed with this driven gear, and the opening driving gear is engaged with the driven gear. A dog clutch that is connected and disconnected by a clutch disconnection electromagnet between the opening one-way clutch rotated by an electromagnet and the opening drive gear, and between the closing one-way clutch rotated by the closing electromagnet and the closing drive gear. A rotary plate having a plurality of transparent holes bored at predetermined circumferential positions corresponding to the position of the valve body and the adjusting shaft are connected via a deceleration mechanism, and one side of the rotary plate is connected to the other side of the rotary plate. A plurality of pairs of light-emitting elements and light-receiving elements are disposed facing each other on the side, respectively corresponding to the plurality of light-transmitting holes, and further control is performed to control the electromagnets for opening and closing and the electromagnets for clutch engagement/disconnection according to the outputs of the light-receiving elements. An opening control device for a flow rate regulating valve, characterized by comprising a circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17707783A JPS6069375A (en) | 1983-09-27 | 1983-09-27 | Flow rate adjustment valve opening control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17707783A JPS6069375A (en) | 1983-09-27 | 1983-09-27 | Flow rate adjustment valve opening control device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6069375A true JPS6069375A (en) | 1985-04-20 |
Family
ID=16024718
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17707783A Pending JPS6069375A (en) | 1983-09-27 | 1983-09-27 | Flow rate adjustment valve opening control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6069375A (en) |
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-
1983
- 1983-09-27 JP JP17707783A patent/JPS6069375A/en active Pending
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