JPS6326474A - Mixing valve device - Google Patents
Mixing valve deviceInfo
- Publication number
- JPS6326474A JPS6326474A JP61168260A JP16826086A JPS6326474A JP S6326474 A JPS6326474 A JP S6326474A JP 61168260 A JP61168260 A JP 61168260A JP 16826086 A JP16826086 A JP 16826086A JP S6326474 A JPS6326474 A JP S6326474A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- temperature
- liquid
- mixed liquid
- steam
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 119
- 230000007423 decrease Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- TUWJQNVAGYRRHA-UHFFFAOYSA-N Menadiol dibutyrate Chemical compound C1=CC=C2C(OC(=O)CCC)=CC(C)=C(OC(=O)CCC)C2=C1 TUWJQNVAGYRRHA-UHFFFAOYSA-N 0.000 description 1
- BWRHOYDPVJPXMF-UHFFFAOYSA-N cis-Caran Natural products C1C(C)CCC2C(C)(C)C12 BWRHOYDPVJPXMF-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Multiple-Way Valves (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、工場等で任意に使用できる蒸気（熱湯も含む
）と冷水等の低温液体を混合して所望温度の混合液を得
るための混合弁装置に関する。[Detailed Description of the Invention] <Industrial Application Field> The present invention is a method for mixing steam (including hot water) and low-temperature liquid such as cold water, which can be used arbitrarily in factories, etc., to obtain a mixed liquid at a desired temperature. This invention relates to a mixing valve device.
く従来技術〉
従来の混合弁装置においては、その自動温調弁はバイメ
タルの感温変形機能により蒸気入口と冷液入口のそれぞ
れの大口弁の開度を調節するだけの構成であった。Prior Art In conventional mixing valve devices, the automatic temperature control valve is configured to simply adjust the opening degree of the large opening valves of the steam inlet and cold liquid inlet using the temperature-sensitive deformation function of the bimetal.
〈 発明が解決しようとする問題点 〉しかし、上記の
構成では、冷液人口が閉じたり断水した１）シて低温液
体の導入が無くても、混合液出口のカランを開けると、
高温の蒸気のみが混合液出口から漏れるので、大変危険
であった。<Problems to be Solved by the Invention> However, with the above configuration, even if the cold liquid supply is closed or the water is cut off (1) and there is no introduction of low temperature liquid, when the door at the mixed liquid outlet is opened,
This was very dangerous because only high temperature steam leaked from the mixed liquid outlet.
そこで、本発明は、冷液人口が閉した１）断水したりし
て低温液体の導入が無い状態で混合液出口のカランを開
けても、高温の蒸気のみが混合液出口から漏れることが
なく、しかも自動温度調整（幾能にも優れた混合弁装置
の提供を目的としている。Therefore, the present invention is designed to prevent only high-temperature steam from leaking from the mixed liquid outlet even if the mixed liquid outlet door is opened in a state where the cold liquid population is closed (1) due to a water outage and no low-temperature liquid is introduced. Moreover, the purpose is to provide a mixing valve device with excellent automatic temperature adjustment (functionality).
〈 問題点を解決するための手段 〉
本発明は、第１図の本発明混合弁装置のオリフィス弁の
閉弁状態横断平面図、第２図の同じくオリフィス弁の開
弁状態縦断側面図、第３図の同じく微小間隙部の拡大断
面図の如く、ケーシング１と、蒸気Ｃ本発明では高温液
体も含む）を導入する蒸気人口２と、低温液体を導入す
る冷浪人口３と、前記蒸気と低温液体とを所定温度に混
合する混合室４と、その混合液を導出する混合液出口５
とを具えた混合弁装置において、前記蒸気人口２に蒸気
入口弁Ｖ１が設けられ、前記冷液入口３に低温液体を混
合室４に導入すると共に冷液入口３と混合室４との間に
差圧ΔＰを発生させる差圧弁である可変オリフィス形オ
リフィス弁Ｖど固定オリフィス形オリフィス弁でも良い
）が設けられている。また、前記蒸気入口弁Ｖ１を強制
開弁させるための感圧室６と感圧移動子７とを有する開
弁機構８が設けられ、前記混合室４の出口側に混合液の
液温を感じて移動する感温パイロット弁子９を有する自
動温調弁Ｖ３が設けられ、前記オリフィス弁Ｖ２の入口
側３ａから前記感圧室６まで前記差圧ΔＰを伝達するパ
イロット通路Ｒの微小間隙りが形成されている。そして
、前記微小間隙Ｉ−の寸法は前記感温パイロット弁子９
の高温側移動Ｘにより自動的に小とされまた低温側移動
Ｙにより自動的に大とされるよう微小間隙りと感温パイ
ロット弁子９とは関係付けられている。<Means for Solving the Problems> The present invention provides a cross-sectional plan view of the orifice valve of the mixing valve device of the present invention in the closed state shown in FIG. 1, a longitudinal sectional side view of the orifice valve in the open state shown in FIG. As shown in FIG. 3, which is an enlarged cross-sectional view of the same minute gap, there is a casing 1, a steam port 2 for introducing steam (including high temperature liquid in the present invention), a cold water port 3 for introducing low temperature liquid, and A mixing chamber 4 that mixes the low-temperature liquid to a predetermined temperature, and a mixed liquid outlet 5 that leads out the mixed liquid.
In the mixing valve device, a steam inlet valve V1 is provided in the steam port 2, and a low temperature liquid is introduced into the mixing chamber 4 through the cold liquid inlet 3, and a valve V1 is provided between the cold liquid inlet 3 and the mixing chamber 4. A variable orifice type orifice valve (V or fixed orifice type orifice valve may be used), which is a differential pressure valve that generates a differential pressure ΔP, is provided. Further, a valve opening mechanism 8 having a pressure sensitive chamber 6 and a pressure sensitive mover 7 for forcibly opening the steam inlet valve V1 is provided, and the temperature of the mixed liquid is sensed at the outlet side of the mixing chamber 4. An automatic temperature control valve V3 having a temperature-sensitive pilot valve element 9 that moves is provided. It is formed. The size of the minute gap I- is determined by the temperature-sensitive pilot valve 9.
The minute gap and the temperature-sensitive pilot valve 9 are related to each other so that it is automatically made smaller by moving X to the high temperature side and automatically enlarged by moving Y to the low temperature side.
く作用〉
上記本発明において、混合液出口Ｓ側のカランを開ける
と、混合液出口５内および混合室４内に溜っている低温
の混合液がまず流出し、これにより混合室４内の液圧が
低くなり、冷液入口３との間に差圧△Ｐが発生するので
、オリフィス弁Ｖ２の弾性舌片２１が変形してオリフィ
ス１９か開き、冷液入口３内の低温液体が混合室４内に
流入する。In the present invention, when the collar on the side of the mixed liquid outlet S is opened, the low temperature mixed liquid accumulated in the mixed liquid outlet 5 and the mixing chamber 4 first flows out, and as a result, the liquid in the mixing chamber 4 flows out. As the pressure decreases and a differential pressure ΔP is generated between the cold liquid inlet 3 and the cold liquid inlet 3, the elastic tongue 21 of the orifice valve V2 deforms and the orifice 19 opens, causing the low temperature liquid in the cold liquid inlet 3 to flow into the mixing chamber. 4.
これと同時にパイロット用の低温液体は通路Ｒおよび微
小間隙りを通って感圧室６内に人ワ、該感圧室６内と混
合室４と同圧の混合圧室２５内との差圧を受けてダイヤ
フラム２３および感圧移動子７が下動し、蒸気入口弁Ｖ
１の球弁子１２を下動してその弁孔１ｏを開放する。こ
れにより、初めて蒸気が混合室４内に入いり、すでに入
っている低温液体と混合し、所定温度に達した混合液が
混合液出口５からカランを通り流出する。すなわち低温
液体が混合室４に流入しない限り蒸気のみが流入するこ
とがないので安全である。At the same time, the pilot low-temperature liquid passes through the passage R and the minute gap into the pressure sensing chamber 6, and the pressure difference between the inside of the pressure sensing chamber 6 and the inside of the mixing pressure chamber 25, which has the same pressure as the mixing chamber 4. In response, the diaphragm 23 and the pressure-sensitive mover 7 move downward, and the steam inlet valve V
The first ball valve 12 is moved down to open the valve hole 1o. As a result, the steam enters the mixing chamber 4 for the first time, mixes with the low-temperature liquid already contained therein, and the mixed liquid that has reached a predetermined temperature flows out from the mixed liquid outlet 5 through the column. That is, unless low temperature liquid flows into the mixing chamber 4, only steam will not flow into the mixing chamber 4, so it is safe.
また混合液が所定温度より高温になると、感温変形素子
であるバイメタル３３は所定の形状よりも更に湾曲し感
温パイロット弁子９を弁ばね３１に抗してＸ天方向へ押
すので微小間隙りは小さくな））、パイロット低温液体
は少ししか微小間隙りを通らなくなるので、ダイヤフラ
ム２３と感圧移動子７は上動し蒸気入口弁■１の開度を
小さくし、蒸気の流入量を少なくするので、混合液は所
定温度に保たれる。Further, when the mixed liquid becomes higher than a predetermined temperature, the bimetal 33, which is a temperature-sensitive deformable element, curves further than the predetermined shape and pushes the temperature-sensitive pilot valve 9 in the X-vertical direction against the valve spring 31, thereby creating a small gap. Since the pilot low-temperature liquid only passes through the minute gap, the diaphragm 23 and the pressure-sensitive slider 7 move upward to reduce the opening degree of the steam inlet valve 1, reducing the amount of steam inflow. Since the amount of water is reduced, the mixed liquid is maintained at a predetermined temperature.
〈実施例〉
以下、本発明の実施例を図面に基づいて説明する。第１
図は本発明混合弁装置の才りフイス弁の閉弁状態横断平
面図、第２図は同じくオリフィス弁の開弁状態縦断側面
図、第３図は同じく微小間隙部の拡大断面図、第４図は
同じくオリフィス弁の弁板の正面図、第５図は同じく混
合弁装置全体の正面図、第６図はオリフィス弁の性能を
示すグラフである。<Example> Hereinafter, an example of the present invention will be described based on the drawings. 1st
The figure is a cross-sectional plan view of the orifice valve of the mixing valve device of the present invention in the closed state, FIG. 2 is a vertical cross-sectional side view of the orifice valve in the open state, FIG. FIG. 5 is a front view of the valve plate of the orifice valve, FIG. 5 is a front view of the entire mixing valve device, and FIG. 6 is a graph showing the performance of the orifice valve.
そして、図示の如く、本発明混合弁装置は、ケーシング
１と、蒸気（本発明では高温液体も含む）を導入する蒸
気人口２と、低温液体を導入する冷液入口３と、前記蒸
×と低温液体とを所定温度に混合する混合室４と、その
混合液を導出する混合液出口５とを具えた混合弁装置に
おいて、前記蒸気人口２に蒸気入口弁■１が設けられ、
前記冷液人口３に低温液体を混合室４に導入すると共に
冷液入口３と混合室４との間に差圧△Ｐを発生させる差
圧弁である可変オリフィス形オリフィス弁〜“２（固定
オリフィス形オリフィス弁でも良い）が設けられている
。また、前記蒸気入口弁■１を強制開弁させるための感
圧室６と感圧移動子７とを有する開弁機構８が設けられ
、前記混合室４の出口側に混合液の液温を感じて移動す
る感温パイロット弁子９を有する自動温調弁Ｖ３が設け
られ、前記オリフィス弁■２の入口側３ａから前記感圧
室６まで前記差圧ΔＰを伝達するパイロット通路Ｒの微
小間隙りの寸法を可変に設定する温度設定機構Ｃが設け
られている。そして、前記微小間隙りの寸法は、前記感
温パイロット弁子９の高温側移動Ｘにより自動的に小と
されまだ低温側移動Ｙにより自動的に大とされるよう、
微小間隙りと感温パイロット弁子９とは関係付けられて
いる。As shown in the figure, the mixing valve device of the present invention includes a casing 1, a steam port 2 for introducing steam (including high-temperature liquid in the present invention), a cold liquid inlet 3 for introducing low-temperature liquid, and the steam In a mixing valve device comprising a mixing chamber 4 for mixing a low-temperature liquid to a predetermined temperature and a mixed liquid outlet 5 for leading out the mixed liquid, a steam inlet valve 1 is provided in the steam port 2,
Variable orifice type orifice valve ~"2 (fixed orifice In addition, a valve opening mechanism 8 having a pressure sensitive chamber 6 and a pressure sensitive mover 7 for forcibly opening the steam inlet valve 1 is provided. An automatic temperature control valve V3 is provided on the outlet side of the chamber 4 and has a temperature-sensitive pilot valve 9 that moves by sensing the liquid temperature of the mixed liquid. A temperature setting mechanism C is provided that variably sets the size of a minute gap in the pilot passage R that transmits the differential pressure ΔP.The size of the minute gap is set on the high temperature side of the temperature-sensitive pilot valve 9. It is automatically made small by movement X and automatically made large by movement Y on the low temperature side.
There is a relationship between the minute gap and the temperature-sensitive pilot valve 9.
前記蒸気入口弁■１は、蒸気人口２と混合室４とを連通
する弁孔１０付の弁座１１と、該弁座１１に離着座自在
な球弁子１２と、該球弁子１２を着座側に付勢する弁ぼ
ね１３とから構成される。The steam inlet valve 1 has a valve seat 11 with a valve hole 10 that communicates the steam valve 2 with the mixing chamber 4, a ball valve 12 that can be seated on and taken off from the valve seat 11, and a ball valve 12 that can be seated on and off the valve seat 11. It is composed of a valve spring 13 that biases toward the seating side.
またオリフィス弁■２は、弁ケース部１ａと、該弁ケー
ス部りａ内の入口側と出口側の間に形成された弁孔１４
と、該弁孔１４の外周壁に円弧形座面１５ａが形成され
た弁座１５と、該弁座１５にＣリング１６により外周部
１７ａが固定されたゴム円板製の弾性弁板１７と、該弾
性弁板１７の外周部１７ａに王冠形にまたは円環形に形
成された抜止突起１８と、前記弁座１５の外周部に凹設
された突起嵌合口部１５ｂと、前記弾性弁板１７に刻設
されたＸ字形のオリフィス１９用のスリット２０と、該
スリット２０によりエツジ２１ａを形成された弾性舌片
２１とを具えてなっている。The orifice valve 2 also includes a valve case portion 1a and a valve hole 14 formed between the inlet side and the outlet side in the valve case portion a.
, a valve seat 15 in which an arc-shaped seat surface 15a is formed on the outer peripheral wall of the valve hole 14, and an elastic valve plate 17 made of a rubber disk whose outer peripheral portion 17a is fixed to the valve seat 15 with a C ring 16. , a retaining projection 18 formed in a crown shape or an annular shape on the outer periphery 17a of the elastic valve plate 17, a protrusion fitting opening 15b recessed in the outer periphery of the valve seat 15, and the elastic valve plate 17. It comprises a slit 20 for an X-shaped orifice 19 carved in 17, and an elastic tongue piece 21 with an edge 21a formed by the slit 20.
前記開弁機構８は、ケーシング１に内嵌固定された案内
盤２２と、該案内盤２２の中央孔２２ａに上下摺動自在
に内嵌された前記感圧移動子７の上端部に固定されたダ
イヤフラム２３と、該ダイヤフラム２３とケーシング１
の上ｉ１ｂとにより形成された前記感圧室６と、前記ダ
イヤフラム２３と案内盤２２で囲まれかつ混合室４と連
絡孔２４で接続された混合圧室２５と、前記感圧移動子
７の上端部に穿設された室間連通小孔２６とから構成さ
れる。The valve opening mechanism 8 is fixed to a guide plate 22 fitted and fixed to the casing 1, and an upper end portion of the pressure-sensitive slider 7 fitted to the center hole 22a of the guide plate 22 so as to be vertically slidable. a diaphragm 23, and a diaphragm 23 and a casing 1.
the pressure sensitive chamber 6 formed by the upper i1b, the mixing pressure chamber 25 surrounded by the diaphragm 23 and the guide plate 22 and connected to the mixing chamber 4 through the communication hole 24, and the pressure sensitive mover 7 It is composed of a small inter-chamber communication hole 26 bored in the upper end.
前記自動温調弁Ｖ３は、弁ケース２７と、該ケース２７
に摺動自在に内嵌された前記感温パイロット弁子９と、
該感温パイロット弁子９の中間部に摺動自在に外嵌され
かつケース２７に摺動自在内嵌されたばね受け２８と、
該ばね受け２８に嵌合された応力緩和ばね２９を受ける
ばね座３０と、前記ぼね受け２８と感温パイロット弁子
９の一端大径部９ａとの間に介装された弁ばね３１と、
感温パイロット弁子９の中央リング９ｂとぼね受け２８
の間にかつ感温室３２内で介装された混合液温度感知用
の感熱変形素子としてのバイメタル３３と、感温パイロ
ット弁子９の池端面９ｃを包囲するパイロット低温液体
第三路Ｒ３と、感温パイロット弁子９の池端面９ｃと微
小間隙りを介して対向する温度設定杆３４とから構成さ
れ、該温度設定杆３４の一端部には、パイロット低温液
体第一路Ｒ１と連通するパイロット低温液体第二路Ｒ２
が穿設されている。そして前記弁ぼね３１は応力緩和ば
ね２９よつ圧倒的に弱く設定されており、作動上は弁ば
ね３１は無くても支障なく作動する。The automatic temperature control valve V3 includes a valve case 27 and a valve case 27.
The temperature-sensitive pilot valve 9 is slidably fitted into the temperature-sensitive pilot valve 9;
a spring receiver 28 which is slidably fitted onto the middle part of the temperature-sensitive pilot valve 9 and slidably fitted into the case 27;
a spring seat 30 for receiving the stress relaxation spring 29 fitted in the spring receiver 28; a valve spring 31 interposed between the spring receiver 28 and the large diameter portion 9a at one end of the temperature-sensitive pilot valve 9; ,
Center ring 9b of temperature-sensitive pilot valve 9 and bone support 28
A bimetal 33 as a heat-sensitive deformable element for sensing the temperature of the mixed liquid interposed between the two and within the temperature-sensitive chamber 32, and a third pilot low-temperature liquid path R3 surrounding the pond end surface 9c of the temperature-sensitive pilot valve 9; It is composed of a temperature setting rod 34 that faces the pond end surface 9c of the temperature-sensitive pilot valve 9 through a minute gap, and one end of the temperature setting rod 34 has a pilot valve that communicates with the pilot low temperature liquid first path R1. Low temperature liquid second path R2
is drilled. The valve spring 31 is set to be overwhelmingly weaker than the stress relaxation spring 29, and the valve spring 31 operates without any problem even without the valve spring 31.
前記温度設定機構Ｃは、前記温度設定杆３４が弁ケース
２７にねじ３５で嵌合され、該温度設定杆３４の池端部
には六角環３６が固定され、該六角環３６に手動回動環
３７が嵌合されることによす構成されている。そして該
回動環３７を回動繰作して温度設定杆３４をＸ天方向に
移動すれば微小間隙りが大となり、混合室４内のパイロ
ット圧は大となり、蒸気入口弁■１が大きく開放するの
で、混合液の所定温度は高温に設定され、また逆に温度
設定杆３４をＹ天方向に移動すれば微小間隙りが小さく
なり、混合室４内のパイロット圧は小となり、蒸気入口
弁Ｖ１が小さく開放するので、混合液は低温に設定され
る。In the temperature setting mechanism C, the temperature setting rod 34 is fitted into the valve case 27 with a screw 35, a hexagonal ring 36 is fixed to the end of the temperature setting rod 34, and a manual rotation ring is attached to the hexagonal ring 36. 37 are fitted together. If the rotary ring 37 is rotated repeatedly and the temperature setting rod 34 is moved in the X direction, the minute gap becomes larger, the pilot pressure in the mixing chamber 4 becomes larger, and the steam inlet valve ■1 becomes larger. Since the valve is opened, the predetermined temperature of the mixed liquid is set to a high temperature. Conversely, if the temperature setting rod 34 is moved upward in the Y direction, the minute gap becomes smaller, the pilot pressure in the mixing chamber 4 becomes smaller, and the steam inlet Since the valve V1 is slightly opened, the mixed liquid is set at a low temperature.
次に作用を説明する。まず、混合液の所望温度は温度設
定杆３４を回動することによりＸまたはＹ方向へ移動し
て設定する。この状態において、混合液出口５側のカラ
ンを開くと、混合液出口５内および混合室４内に溜って
いる低温の混合液がまず流出し、これにより混合室４内
の液圧が低くなり、冷液人口３との間に差圧ΔＰが発生
するので、オリフィス弁■２の弾性舌片２１が変形して
オリフィス１つが開き、冷液人口３内の低温液体が混合
室４内に流入する。これと同時にパイロット用の第一、
第二、第三路Ｒ１，Ｒ２，Ｒ３および微小間隙りを通っ
てパイロット低温液体が感圧室６内に入り、該感圧室６
内と、混合室４と同圧の混合圧室２５内との差圧を受け
てダイヤフラム２３および感圧移動子７が下動し、蒸気
入口弁■１の球弁子１２を下動してその弁孔１０を開放
する。Next, the action will be explained. First, the desired temperature of the mixed liquid is set by rotating the temperature setting rod 34 to move it in the X or Y direction. In this state, when the collar on the side of the mixed liquid outlet 5 is opened, the low-temperature mixed liquid accumulated in the mixed liquid outlet 5 and the mixing chamber 4 first flows out, which lowers the liquid pressure in the mixing chamber 4. Since a pressure difference ΔP is generated between the cold liquid body 3 and the cold liquid body 3, the elastic tongue piece 21 of the orifice valve 2 deforms and one orifice opens, and the low temperature liquid in the cold liquid body 3 flows into the mixing chamber 4. do. At the same time, the first for the pilot,
The pilot low temperature liquid enters the pressure sensitive chamber 6 through the second and third passages R1, R2, R3 and the minute gap, and the pressure sensitive chamber 6
The diaphragm 23 and the pressure-sensitive slider 7 move downward in response to the differential pressure between the inside of the mixing chamber 4 and the inside of the mixing pressure chamber 25, which has the same pressure as the mixing chamber 4, and the ball valve 12 of the steam inlet valve 1 is moved down. The valve hole 10 is opened.
これにより、初めて蒸気が混合室４内に入いり、すでに
入っている低温液体と混合し、所定温度に達した混合液
が混合液出口５がらカランを通り流出する。すなわち低
温液体が混合室４に流入しない限り蒸気のみが流入する
ことがないので安全である。なお、感圧室６内へ入った
低温液体は小孔２６を通り混合室４内へ入いる。As a result, the steam enters the mixing chamber 4 for the first time, mixes with the low-temperature liquid already contained therein, and the mixed liquid that has reached a predetermined temperature flows out through the mixed liquid outlet 5 through the column. That is, unless low temperature liquid flows into the mixing chamber 4, only steam will not flow into the mixing chamber 4, so it is safe. Note that the low temperature liquid that has entered the pressure sensitive chamber 6 passes through the small hole 26 and enters the mixing chamber 4.
また、冷液入口３およびオリフィス弁■２のオリフィス
１９への低温液体の流入量（流入圧）が低下したときに
は、オリフィス弁ｖ２の弾性舌片２１は復元方向に変形
し弁板１７をはさんでの差圧△Ｐも第６図の直線すの如
く小さくなるが、このときの低温液体のパイロット圧は
第一、第二、第三路Ｒ１，Ｒ２，Ｒ３と微小間隙り全通
して感圧室６に作用し、感圧移動子７は低温液体の流入
圧の低下により上動し蒸気入口弁Ｖ１が少し閉じるので
、混合液の液温は所定温度より低目に保たれ安全である
。Further, when the amount of inflow (inflow pressure) of the low temperature liquid into the cold liquid inlet 3 and the orifice 19 of the orifice valve 2 decreases, the elastic tongue 21 of the orifice valve v2 deforms in the restoring direction and sandwiches the valve plate 17. The differential pressure △P also decreases as shown in the straight line in Figure 6, but the pilot pressure of the low-temperature liquid at this time is felt through the first, second, third passages R1, R2, R3 and the minute gaps. Acting on the pressure chamber 6, the pressure sensitive mover 7 moves upward due to the decrease in the inflow pressure of the low temperature liquid, and the steam inlet valve V1 closes slightly, so the temperature of the mixed liquid is kept lower than the predetermined temperature and is safe. .
また混合液が所定温度より高温になると、感温変形素子
であるバイメタル３３は所定の形状よりも更に湾曲し感
温パイロット弁子９を弁ばね３１に抗してＸ矢方向へ押
すので微小間隙りは小さくなり、パイロット低温液体は
少ししか微小間隙りへ入らなくなるので、ダイヤフラム
２３と感圧移動子７は上動し蒸気入口弁Ｖ１の開度を小
さく腰蒸気の流入量を少なくするので混合液は所定温度
に保たれる。Furthermore, when the temperature of the mixed liquid becomes higher than a predetermined temperature, the bimetal 33, which is a temperature-sensitive deformable element, curves further than the predetermined shape and pushes the temperature-sensitive pilot valve 9 in the direction of the arrow X against the valve spring 31, resulting in a minute gap. The gap becomes smaller and only a small amount of the pilot low-temperature liquid enters the minute gap, so the diaphragm 23 and the pressure-sensitive slider 7 move upward to reduce the opening degree of the steam inlet valve V1 and reduce the amount of inflow of low-temperature steam, resulting in mixing. The liquid is kept at a predetermined temperature.
なお、オリフィス弁■２の作用だけを詳しく説明すると
、入口３の流入側流体の圧力が高まれば、第１図の如く
閉じていた弾性弁板１７の弾性舌片２１はその流入側流
体と流出側流体の圧力差ΔＰに比例して第２図の如く徐
々に湾曲して行き、それにともないオリフィス１９の径
も増加しオリフィス１つを通る流量Ｇも増加する。To explain in detail only the function of the orifice valve 2, when the pressure of the fluid on the inflow side of the inlet 3 increases, the elastic tongue piece 21 of the elastic valve plate 17, which was closed as shown in Fig. It gradually curves as shown in FIG. 2 in proportion to the pressure difference ΔP between the side fluids, and accordingly, the diameter of the orifice 19 increases and the flow rate G passing through one orifice also increases.
そのと５の圧力差△Ｐと流量Ｇとの関係は第６図の如く
である。すなおも第２図の如き弾性舌片２１が弁座１５
の座面１５ａに沿ったオリフィス１９全開状態（△Ｐが
△Ｐ１以上）ではΔＰとＧの関係は、対数目盛において
直線ａとなり、ΔＰが△Ｐ１以下では、弾性舌片２１は
その弾性復帰力とΔＰによる圧力とが釣り合う位置の半
開状態となり、△ＰとＧの関係は直線すとなる。なお、
直線Ｃは弾性舌片２１が常に全開状態（オリフィス１９
径一定）と仮定した状態を示している。The relationship between the pressure difference ΔP and the flow rate G is as shown in FIG. The elastic tongue piece 21 as shown in FIG. 2 is attached to the valve seat 15.
When the orifice 19 along the seat surface 15a is fully open (ΔP is greater than or equal to ΔP1), the relationship between ΔP and G becomes a straight line a on the logarithmic scale, and when ΔP is less than or equal to ΔP1, the elastic tongue piece 21 has its elastic return force. It is in a half-open state where the pressure due to ΔP and ΔP are balanced, and the relationship between ΔP and G is a straight line. In addition,
Straight line C indicates that the elastic tongue piece 21 is always fully open (orifice 19
The figure shows a state assuming that the diameter is constant.
上記の如く、本発明の実施例のオリフィス弁では、直線
す、ｃの比較がら明らがな通り、△ＰがΔＰ１以下では
、Ｇが少ない場合でも、ΔＰは大きいので、パイロット
通路Ｒを通してパイロット弁子を作動させ易くなる。As mentioned above, in the orifice valve of the embodiment of the present invention, as is clear from the comparison of the straight lines S and C, when ΔP is less than ΔP1, ΔP is large even when G is small, so the pilot is passed through the pilot passage R. It becomes easier to operate the valve.
なお、本発明は、上記実施例に限定されるものではなく
、本発明の範囲内で上記実施例に多くの修正および変更
を加え得ることは勿論である。It should be noted that the present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention.
例えば、オリフィス弁Ｖ２等の差圧弁としては種々の弁
を用いることかで・きる。For example, various valves can be used as the differential pressure valve such as the orifice valve V2.
〈発明の効果〉
以上の説明から明らかな通り、本発明によると、混合液
出口側のカランを開けると、混合液出口内および混合室
内に溜っている低温の混合液がまず流出し、これにより
混合室内の液圧が低くなり、冷液入口との間に差圧が発
生するので、差圧弁が開き、冷液入口内の低温液体が混
合室内に流入する。これと同時にパイロット用の低温液
体は通路および微小間隙を通って感圧室内に入り、感圧
移動子が下動し、蒸気入口弁を開放する。これにより、
初めて蒸気が混合室内に入いつ、すでに入っている低温
液体と混合し、所定温度に達した混合液が混合液出口か
ら流出する。すなわち低温液体が混合室に流入しない限
り蒸気のみが流入することがないので安全である。<Effects of the Invention> As is clear from the above description, according to the present invention, when the collar on the mixed liquid outlet side is opened, the low-temperature mixed liquid accumulated in the mixed liquid outlet and the mixing chamber first flows out. The liquid pressure in the mixing chamber becomes low and a pressure difference is generated between it and the cold liquid inlet, so the differential pressure valve opens and the low temperature liquid in the cold liquid inlet flows into the mixing chamber. At the same time, the pilot cryogenic liquid enters the pressure sensitive chamber through the passage and the small gap, the pressure sensitive mover moves down, and the steam inlet valve is opened. This results in
When the steam enters the mixing chamber for the first time, it mixes with the already contained low temperature liquid, and the mixed liquid reaches a predetermined temperature and flows out from the mixed liquid outlet. That is, unless low temperature liquid flows into the mixing chamber, only steam will not flow into the mixing chamber, so it is safe.
また混合液が所定温度より高温ｌ二なると、感温変形素
子は所定の形状よりも更に湾曲し感温パイロット弁子を
押すので微小間隙は小さくなり、パイロット低温液体は
少ししか微小間隙を通らなくなるので、感圧移動子は上
動し蒸気入口弁の開度を小さくし、蒸気の流入量を少な
くするので、混合液は所定温度に保たれる。In addition, when the mixed liquid reaches a higher temperature than a predetermined temperature, the temperature-sensitive deformable element curves further than the predetermined shape and pushes the temperature-sensitive pilot valve, so the minute gap becomes smaller, and only a small amount of the pilot low-temperature liquid passes through the minute gap. Therefore, the pressure-sensitive mover moves upward to reduce the opening degree of the steam inlet valve and reduce the amount of steam flowing in, so that the mixed liquid is maintained at a predetermined temperature.
さらにまた、通常の使用状態で混合液出口のカランを開
けた場合に於いても、冷液が流れることにより初めて差
圧弁の前後に差圧が生じ、該差圧によって蒸気弁が開く
ため、必ずカランには冷液が先行し安全である。更に、
カランを閉めるときは、逆に流量の減少にともなって徐
々に混合液温が下がり、混合室内に高温の液体は残留せ
ず、再度開弁する時にも安全である。Furthermore, even when the mixed liquid outlet door is opened under normal usage conditions, a pressure difference is created before and after the differential pressure valve due to the flow of cold liquid, and this pressure difference causes the steam valve to open. Cold liquid precedes Karan and is safe. Furthermore,
When closing the valve, on the other hand, the temperature of the mixed liquid gradually decreases as the flow rate decreases, and no high-temperature liquid remains in the mixing chamber, making it safe even when the valve is opened again.
上記の通り、本発明は、冷液入口が閉じたり断水したり
して低温液体の導入が無い状態で混合液出口のカランを
開けても、高温の蒸気のみが混合液出口から漏れること
がなく、しかも自動温度調整機能にも優れた混合弁装置
を提供できる優れた効果がある。As described above, the present invention prevents only high-temperature steam from leaking from the mixed liquid outlet even if the mixed liquid outlet door is opened when the cold liquid inlet is closed or the water is cut off and no low-temperature liquid is introduced. Moreover, it has an excellent effect of providing a mixing valve device with an excellent automatic temperature adjustment function.
第１図は本発明混合弁装置の差圧弁であるオリフィス弁
閉弁状態横断平面図、第２図は同じくオリフィス弁開弁
状態縦断側面図、第３図は同じく微小間隙部の拡大断面
図、第４図は同じくオリフィス弁の弁板の正面図、第５
図は同じく混合弁装置全体の正面図、第６図はオリフィ
ス弁の性能を示すグラフである。
１：ケーシング、２：蒸気入口、３：冷液入口、３ａ：
入口側、４：混合室、５：混合液出口、６：感圧室、７
：感圧移動子、８：開弁機構、９：感温パイロット弁子
、１０：弁孔、１２：球弁子、１９ニオリフイス、２１
：弾性舌片、２３；グイヤフラム、３１；弁ぼね、３３
；感温変形素子であるバイメタル、Ｃ：温度設定機構、
Ｌ：微小間隙、ΔＰ；差圧、Ｒ：パイロット通路、Ｖｌ
：蒸気入口弁、Ｖ２：差圧弁（オリフィス弁）、■３−
″、−自動温調弁、Ｘ；高温側移動、Ｙ：低温側移動。FIG. 1 is a cross-sectional plan view of the orifice valve, which is a differential pressure valve of the mixing valve device of the present invention, in a closed state, FIG. 2 is a vertical cross-sectional side view of the orifice valve in an open state, and FIG. Figure 4 is also a front view of the valve plate of the orifice valve, Figure 5
The figure is a front view of the entire mixing valve device, and FIG. 6 is a graph showing the performance of the orifice valve. 1: Casing, 2: Steam inlet, 3: Cold liquid inlet, 3a:
Inlet side, 4: Mixing chamber, 5: Mixed liquid outlet, 6: Pressure sensitive chamber, 7
: Pressure sensitive mover, 8: Valve opening mechanism, 9: Temperature sensitive pilot valve, 10: Valve hole, 12: Ball valve, 19 Niorifice, 21
: Elastic tongue piece, 23; Guyafram, 31; Valve bone, 33
; Bimetal which is a temperature-sensitive deformable element; C: Temperature setting mechanism;
L: Microgap, ΔP: Differential pressure, R: Pilot passage, Vl
: Steam inlet valve, V2: Differential pressure valve (orifice valve), ■3-
'', - Automatic temperature control valve, X: Move to high temperature side, Y: Move to low temperature side.
Claims (1)
導入する冷液入口と、前記蒸気と低温液体とを所定温度
に混合する混合室と、その混合液を導出する混合液出口
とを具えた混合弁装置において、前記蒸気入口に蒸気入
口弁が設けられ、前記冷液入口に低温液体を混合室に導
入すると共に冷液入口と混合室との間に差圧を発生させ
る差圧弁が設けられ、前記蒸気入口弁を強制開弁させる
ための感圧室と感圧移動子とを有する開弁機構が設けら
れ、前記混合室の出口側に混合液の液温を感じて移動す
る感温パイロット弁子を有する自動温調弁が設けられ、
前記差圧弁の入口側から前記感圧室まで前記差圧を伝達
するパイロット通路の微小間隙が形成され、前記微小間
隙は前記感温パイロット弁子の高温側移動により自動的
に小とされまた低温側移動により自動的に大とされるよ
う微小間隙と感温パイロット弁子とは関係付けられてい
ることを特徴とする混合弁装置。It comprises a casing, a steam inlet for introducing steam, a cold liquid inlet for introducing low temperature liquid, a mixing chamber for mixing the steam and low temperature liquid to a predetermined temperature, and a mixed liquid outlet for leading out the mixed liquid. In the mixing valve device, a steam inlet valve is provided at the steam inlet, and a differential pressure valve is provided at the cold liquid inlet for introducing low temperature liquid into the mixing chamber and generating a differential pressure between the cold liquid inlet and the mixing chamber. , a valve opening mechanism having a pressure sensitive chamber and a pressure sensitive mover for forcibly opening the steam inlet valve is provided, and a temperature sensitive pilot moves to the outlet side of the mixing chamber by sensing the temperature of the mixed liquid. An automatic temperature control valve with a valve is provided,
A micro gap is formed in a pilot passage for transmitting the differential pressure from the inlet side of the differential pressure valve to the pressure sensitive chamber, and the micro gap is automatically made small by moving the temperature sensitive pilot valve element to the high temperature side. A mixing valve device characterized in that a minute gap and a temperature-sensitive pilot valve are associated with each other so that the gap is automatically enlarged by side movement.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16826086A JPH07103937B2 (en) | 1986-07-17 | 1986-07-17 | Mixing valve device |
| US07/188,794 US4923115A (en) | 1986-07-17 | 1987-07-17 | Mixing valve apparatus |
| KR1019880700287A KR950001119B1 (en) | 1986-07-17 | 1987-07-17 | Mixing valve device |
| PCT/JP1987/000526 WO1988000666A1 (en) | 1986-07-17 | 1987-07-17 | Mixing valve device |
| DE8787904739T DE3779284D1 (en) | 1986-07-17 | 1987-07-17 | MIXING VALVE ARRANGEMENT. |
| AU77085/87A AU582307B2 (en) | 1986-07-17 | 1987-07-17 | Mixing valve device |
| EP19870904739 EP0273988B1 (en) | 1986-07-17 | 1987-07-17 | Mixing valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16826086A JPH07103937B2 (en) | 1986-07-17 | 1986-07-17 | Mixing valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6326474A true JPS6326474A (en) | 1988-02-04 |
| JPH07103937B2 JPH07103937B2 (en) | 1995-11-08 |
Family
ID=15864711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16826086A Expired - Lifetime JPH07103937B2 (en) | 1986-07-17 | 1986-07-17 | Mixing valve device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07103937B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0320778U (en) * | 1989-07-07 | 1991-02-28 |
-
1986
- 1986-07-17 JP JP16826086A patent/JPH07103937B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0320778U (en) * | 1989-07-07 | 1991-02-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07103937B2 (en) | 1995-11-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2581778B2 (en) | Shower burn arrester | |
| US6517006B1 (en) | Thermostatic mixing faucet having improved stability | |
| US4475684A (en) | Mixing valve | |
| US7175100B2 (en) | Fail-safe proportional mixing valve | |
| US6929188B2 (en) | Variable flow fluid tempering valve | |
| EP1190284B1 (en) | Thermostatic mixing valve | |
| US2647692A (en) | Mixing valve | |
| US9879658B2 (en) | Thermostatic valve with anti-failure provisions | |
| ATE282851T1 (en) | THERMOSTATIC MIXING VALVE | |
| US2507954A (en) | Thermostatic mixing valve | |
| US5181538A (en) | Multiple stream fluid mixing and dispensing apparatus | |
| US7832651B2 (en) | Hydraulically controlled thermostatic mixing valve | |
| GB808222A (en) | Fluid temperature control device | |
| JPS6326474A (en) | Mixing valve device | |
| US2578796A (en) | Thermostatic controlled pressure operated mixing faucet | |
| US3489347A (en) | Thermostatic flow mixer | |
| GB2270139A (en) | Flow control for mixing valves | |
| JP2584250B2 (en) | Mixing valve device | |
| JPS63266278A (en) | Mixing valve device | |
| JPS63266279A (en) | Mixing valve device | |
| JPH0641023Y2 (en) | Mixing valve device | |
| JP2632324B2 (en) | Mixing valve device | |
| JPH0314608Y2 (en) | ||
| JPH09137877A (en) | Thermostat for mixing valve for water combination faucet | |
| KR200311252Y1 (en) | Water pressure auto-adjustable embedded type mixing faucet with single lever |