JPH04228988A - Hot and cold water mixing device - Google Patents

Hot and cold water mixing device

Info

Publication number
JPH04228988A
JPH04228988A JP11985291A JP11985291A JPH04228988A JP H04228988 A JPH04228988 A JP H04228988A JP 11985291 A JP11985291 A JP 11985291A JP 11985291 A JP11985291 A JP 11985291A JP H04228988 A JPH04228988 A JP H04228988A
Authority
JP
Japan
Prior art keywords
hot water
mixing
temperature
water
valve body
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
Application number
JP11985291A
Other languages
Japanese (ja)
Other versions
JPH0743053B2 (en
Inventor
Hiroaki Yonekubo
寛明 米久保
Yasuo Kidouchi
城戸内 康夫
Yoshio Yamamoto
山本 芳雄
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP11985291A priority Critical patent/JPH0743053B2/en
Publication of JPH04228988A publication Critical patent/JPH04228988A/en
Publication of JPH0743053B2 publication Critical patent/JPH0743053B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Temperature-Responsive Valves (AREA)
  • Control Of Temperature (AREA)

Abstract

PURPOSE:To provide a hot and cold water mixing device excellent in operability and stability of mixed hot water temperature, and capable of supplying hot water at a safe temperature level, upon re-start of hot water supply after interruption. CONSTITUTION:A mixing valve body 27 for adjusting a mixing ratio of hot water to cold water, a wax thermostat 30 laid in a mixed hot water passage for driving the mixing valve body 27, a motor 38, mixed hot water temperature setting units 20 and 21, and a controller 22 are provided. The mixing valve body 27 and the wax thermostat 30 are moved to the predetermined position according to the setting of the mixed hot water temperature setting units 20 and 21, thereby obtaining hot water at the set temperature. Also, the mixing valve body 27 is moved to a position to close a hot water passage during the interruption of hot water supply, thereby preventing the overshoot of hot water temperature at the time of re-starting the hot water supply.

Description

【発明の詳細な説明】[Detailed description of the invention]

【0001】0001

【産業上の利用分野】本発明は湯と水の混合比率を調節
して適温を得る湯水混合装置に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water mixing device that adjusts the mixing ratio of hot water and water to obtain an appropriate temperature.

【0002】0002

【従来の技術】従来この種の湯水混合装置には図3に示
すようなものがあった。
2. Description of the Related Art Conventionally, there has been a hot water mixing device of this type as shown in FIG.

【0003】図3において湯入口1、水入口2及び混合
湯出口3を有する弁框体4の内部には、湯側弁体5及び
水側弁体6が一体的に設けられており、湯と水の混合比
率を調節している。この湯側弁体5及び水側弁体6は、
一端が止め輪7で規制されバネ8で付勢されたワックス
サーモ9に取り付けられて設けられている。ワックスサ
ーモ9は混合湯温に応じピストン10が伸縮して湯側弁
体5及び水側弁体6の位置を変える。混合湯温の設定は
温度設定つまみ11によって行なわれるが、予め組立段
階で混合湯温と初期位置の関係が調整されており、手で
温度設定つまみ11を回し混合湯温レベルを選定するこ
とができる。通常の動作時は湯側弁体5と水側弁体6経
て来た湯と水は混合され、ワックスサーモ9の感温部を
経て混合湯出口から温度設定つまみ11で設定された混
合湯温で給湯対象に給湯される。水圧,湯圧の変動や給
湯湯量の変動に伴ない湯と水の混合比率がそれ迄の値と
異なって来ると、混合湯温の変動としてワックスサーモ
9が変化を捉え、湯水の混合比率を修正して設定値にほ
ぼ等しい混合湯を供給する。混合湯温を変更したい時は
前述のように温度設定つまみ11を回し設定値を変更す
ることにより混合湯温レベルを変更することが可能であ
る。
In FIG. 3, a hot water side valve body 5 and a water side valve body 6 are integrally provided inside a valve frame body 4 having a hot water inlet 1, a water inlet 2, and a mixing hot water outlet 3. The mixing ratio of water and water is adjusted. The hot water side valve body 5 and the water side valve body 6 are
One end is regulated by a retaining ring 7 and attached to a wax thermostat 9 biased by a spring 8. In the wax thermometer 9, a piston 10 expands and contracts in accordance with the temperature of the mixed hot water to change the positions of the hot water side valve body 5 and the water side valve body 6. The mixed water temperature is set using the temperature setting knob 11, but the relationship between the mixed water temperature and the initial position is adjusted in advance during the assembly stage, and it is possible to select the mixed water temperature level by turning the temperature setting knob 11 by hand. can. During normal operation, the hot water and water that have passed through the hot water side valve body 5 and the water side valve body 6 are mixed, and the mixed hot water temperature is set by the temperature setting knob 11 from the mixed hot water outlet through the temperature sensing part of the wax thermometer 9. Hot water is supplied to the target. When the mixing ratio of hot water and water becomes different from the previous value due to fluctuations in water pressure, hot water pressure, and hot water supply amount, the wax thermo9 detects the change as a fluctuation in the mixed water temperature and adjusts the mixing ratio of hot water. After correction, a mixed hot water approximately equal to the set value is supplied. When it is desired to change the mixed water temperature, it is possible to change the mixed water temperature level by turning the temperature setting knob 11 and changing the set value as described above.

【0004】0004

【発明が解決しようとする課題】従来の湯水混合装置は
以上述べたように構成されていたため、混合湯温の設定
は温度設定つまみ11を直接手で操作する必要があり、
湯水混合装置として設置場所が限定され、操作も温度設
定つまみ11が経年変化で固くなったりして操作感が良
くないという問題点を有していた。また湯水混合装置と
しては上記のもの以外に、モータで弁を駆動する型式の
ものもあったが、このモータ駆動方式の湯水混合装置は
サーミスタ等の温度検出器で混合湯温を検出し、温度設
定器で設定された混合湯温の得られる位置に弁をモータ
で駆動するため、前述のような問題点は解消できる。と
ころが、水圧変動,湯圧変動や混合湯量の急激な変動に
伴ない混合湯温が設定値をはずれた場合は、温度検出器
で検出した混合湯温を温度設定器の設定温度と比較し演
算処理してモータを駆動する迄の時間がかかり、モータ
の慣性による時間遅れ等があるため、混合湯温変動を検
出して直接弁体を駆動する前述のワックスサーモ方式に
比較して過渡的な温度変動が大きく、混合湯温が熱くな
りすぎたり冷くなりすぎるという課題を有していた。
[Problems to be Solved by the Invention] Since the conventional hot water mixing device was constructed as described above, it was necessary to directly operate the temperature setting knob 11 manually to set the mixed water temperature.
As a hot water mixing device, the installation location is limited, and the temperature setting knob 11 has become hard due to aging, resulting in poor operating feel. In addition to the above-mentioned hot water mixing device, there was also a type that used a motor to drive a valve, but this motor-driven hot water mixing device uses a temperature sensor such as a thermistor to detect the temperature of the mixed water. Since the valve is driven by a motor to a position where the mixed water temperature set by the setting device can be obtained, the above-mentioned problems can be solved. However, if the mixed water temperature deviates from the set value due to water pressure fluctuations, hot water pressure fluctuations, or rapid fluctuations in the amount of mixed hot water, the mixed water temperature detected by the temperature sensor is compared with the set temperature of the temperature setting device and calculated. It takes time to process and drive the motor, and there is a time delay due to the inertia of the motor, so it is less transient than the wax thermo method described above, which detects mixed water temperature fluctuations and directly drives the valve body. The problem was that the temperature fluctuations were large and the mixed water temperature became too hot or too cold.

【0005】本発明はこのような従来の課題を解消する
ものであり、遠隔制御が可能で操作性が良く、混合湯温
の安定性に優れた湯水混合装置を提供することを目的と
する。
[0005] The present invention has been made to solve these conventional problems, and an object thereof is to provide a hot water mixing device that can be remotely controlled, has good operability, and has excellent stability in the temperature of mixed water.

【0006】[0006]

【課題を解決するための手段】上記の目的を達成するた
めに本発明の湯水混合装置は、湯と水の混合比率を調節
する混合弁体と、温度に応じて変化する変位を利用して
この混合弁体を駆動する混合湯流路に設けた感温体と、
混合弁体と感温体の位置調節を行なう電気的駆動手段と
、混合湯温の設定を行なう混合湯温設定器と、この混合
湯温設定器の信号に基づいて予め設定した位置に電気的
駆動手段を介して混合弁体と感温体を移動するとともに
、給湯の停止中に湯側流路を閉成する位置に前記混合弁
体を臨ませる制御を行なう制御器とを備えて構成するも
のである。
[Means for Solving the Problems] In order to achieve the above object, the hot water mixing device of the present invention utilizes a mixing valve body that adjusts the mixing ratio of hot water and water, and a displacement that changes depending on the temperature. A temperature sensing element provided in the mixed hot water flow path that drives this mixing valve body,
An electric driving means for adjusting the positions of the mixing valve body and the temperature sensing element, a mixing water temperature setting device for setting the mixing water temperature, and an electric drive means for adjusting the position of the mixing valve body and the temperature sensing element, and an electric drive means for adjusting the position of the mixing water temperature sensing device. A controller that moves the mixing valve element and the temperature sensing element via a driving means, and controls the mixing valve element to face a position where the hot water side flow path is closed while hot water supply is stopped. It is something.

【0007】[0007]

【作用】上記した構成により本発明の給湯装置は、混合
湯温設定器から電気的駆動手段に信号を送ることにより
遠隔制御を可能にすると共に、湯圧変動や水圧変動、ま
た流量急変時等により混合湯温が急変した場合は、感温
体で直接混合弁体の位置修正を行ない、かつ給湯の停止
中に湯側流路を閉成する位置に混合弁体を臨ませること
により、再給湯時に混合湯温がオーバシュートすること
を防止するものである。
[Function] With the above-described configuration, the water heater of the present invention enables remote control by sending a signal from the mixed hot water temperature setting device to the electric driving means, and also enables remote control when the hot water pressure fluctuates, water pressure fluctuates, or the flow rate suddenly changes. If the temperature of the mixed water suddenly changes, use the temperature sensor to directly adjust the position of the mixing valve, and place the mixing valve in a position that closes the hot water flow path while hot water supply is stopped. This prevents the mixed water temperature from overshooting during hot water supply.

【0008】[0008]

【実施例】以下本発明の実施例を図1,図2を用いて説
明する。図2は本発明の実施例の湯水混合装置を用いた
給湯装置の系統図を示し、給水管12より給水された水
はボイラー13で加熱昇温されて給湯管14を経て混合
弁15に湯として供給される。混合弁15には給湯管1
4の他給水管16も接続されており、ここで湯水は混合
されて混合湯管17を通って蛇口18あるいは蛇口19
に混合湯が供給される。蛇口18,19の近傍には混合
湯温設定器20,21が設けられており、ここでの設定
信号に従って制御器22を経て混合弁15は駆動制御さ
れる。
Embodiments An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 2 shows a system diagram of a hot water supply system using a hot water mixing device according to an embodiment of the present invention. Water supplied from a water supply pipe 12 is heated and heated in a boiler 13, passes through a hot water supply pipe 14, and then flows into a mixing valve 15. Supplied as. Mixing valve 15 has hot water pipe 1
In addition to 4, a water supply pipe 16 is also connected, where hot water is mixed and passes through a mixing pipe 17 to a faucet 18 or a faucet 19.
Mixed hot water is supplied to Mixing hot water temperature setting devices 20 and 21 are provided near the faucets 18 and 19, and the mixing valve 15 is driven and controlled via a controller 22 according to setting signals there.

【0009】なお混合湯温設定器20と混合湯温設定器
21の間には優先,従属の関係が予め定められており、
この場合混合湯温設定器21が優先、混合湯温設定器2
0が従属となっている。混合弁15は図1に示すように
構成されている。給湯管14と給水管16から供給され
る湯と水は、湯側弁座23と水側弁座24との距離を、
湯側弁体25、水側弁体26を有した混合弁体27によ
って反比例的に変えて混合比率を調節している。混合弁
体27は湯と水が周囲から内側に流入する筒状弁体とな
っている。また混合弁体27はスプリング28にて図に
おいて右側方向に付勢されており、混合湯流路29に設
けた感温体であるワックスサーモ30に外筒31を介し
て当接されている。このワックスサーモ30は温度に応
じてピストン32が伸縮し、外周部で固定された外筒3
1を介して混合弁体27を駆動する。またワックスサー
モ30は感温部に螺旋状のフイン33を有しており、フ
イン33には多数の細孔34があけられていて、流れを
旋回させるとともに、その一部が細孔を通って流れるこ
とにより、熱伝達の促進と混合の促進を図っているもの
である。ワックスサーモ30のピストン32は外周部に
設けた雌ねじ35の内部をローレット部で嵌合された軸
36の回転によって進退する遊動型の雄ねじ37に当接
されており、軸36は外部に設けたモータ38により減
速機構39を介して駆動される。結果的にワックスサー
モ30と混合弁体27はモータ38によって駆動され、
位置検出を行なうモータ38に設けられたポテンシオメ
ータ40により位置確認がなされ位置調節が行なわれる
。この場合モータ38、ポテンシオメータ40が電気的
駆動手段を構成している。電気的駆動手段としてはソレ
ノイド等も考えられるが、モータの方が動作が緩慢でウ
ォータハンマが起りにくい。なお41は湯側弁座23を
付勢する付勢スプリングであり、混合弁体27が湯側弁
座23に当接してもまだワックスサーモ30が伸びよう
とする場合の逃げであり各部が破損することを防止して
いる。
[0009] A relationship of priority and subordination is predetermined between the mixing water temperature setting device 20 and the mixing water temperature setting device 21.
In this case, the mixing water temperature setting device 21 has priority, and the mixing water temperature setting device 2
0 is subordinate. The mixing valve 15 is constructed as shown in FIG. The hot water and water supplied from the hot water supply pipe 14 and the water supply pipe 16 are determined by the distance between the hot water side valve seat 23 and the water side valve seat 24.
The mixing ratio is adjusted by changing it inversely proportionally by a mixing valve body 27 having a hot water side valve body 25 and a water side valve body 26. The mixing valve body 27 is a cylindrical valve body through which hot water and water flow inward from the periphery. Further, the mixing valve body 27 is biased rightward in the figure by a spring 28, and is brought into contact with a wax thermometer 30, which is a temperature sensor provided in the mixed metal flow path 29, via an outer cylinder 31. This wax thermometer 30 has a piston 32 that expands and contracts depending on the temperature, and an outer cylinder 3 that is fixed at the outer periphery.
1 to drive the mixing valve body 27. Further, the wax thermometer 30 has spiral fins 33 in the temperature sensing part, and the fins 33 have a large number of pores 34, which swirl the flow and allow some of it to pass through the pores. By flowing, heat transfer and mixing are promoted. The piston 32 of the wax thermometer 30 is in contact with a floating male screw 37 that moves forward and backward by the rotation of a shaft 36 fitted at a knurled portion inside a female screw 35 provided on the outer periphery, and the shaft 36 is provided on the outside. It is driven by a motor 38 via a speed reduction mechanism 39 . As a result, the wax thermostat 30 and the mixing valve body 27 are driven by the motor 38,
The position is confirmed and adjusted by a potentiometer 40 provided on the motor 38 that detects the position. In this case, the motor 38 and potentiometer 40 constitute electrical drive means. A solenoid or the like may be considered as the electric drive means, but a motor operates more slowly and is less likely to cause water hammer. Reference numeral 41 is a biasing spring that biases the hot water side valve seat 23, and it is an escape when the wax thermostat 30 is still trying to expand even after the mixing valve body 27 contacts the hot water side valve seat 23, and various parts are damaged. It prevents you from doing so.

【0010】次に本実施例の動作を示す。仮に混合湯温
設定器20で欲しい温度を指示し、蛇口18を開成した
状態を想定する。混合湯温設定器20の設定信号は制御
器22に送られ、予め記憶されている位置までモータ3
8がポテンショメータ40で位置を確認しつつ、ワック
スサーモ30及び混合弁体27を移動させる。この動作
により大よそ混合湯温設定器20での設定値に近い混合
湯温が得られる。ワックスサーモ30は更に微妙な温度
の高低をとらえて伸縮し、設定値どおりの湯水の混合比
率に混合弁体27を調節する。混合弁体27は湯と水と
も周囲から内側に流入する筒状弁体で構成されているた
め、水圧や湯圧の高低にかかわらず一定の力で駆動でき
るものであり、特性のばらつきを生じにくい構造となっ
ている。ここでもし混合湯温設定器21と蛇口19が操
作され給湯が開始されると、混合湯温設定器20に対し
て優先となっているため、混合湯温設定器21の設定値
になるように混合比率が修正調節される。また蛇口18
,19の一方を開成したり閉成したりすることにより混
合弁15からの混合湯量は急変する。これに伴ない湯量
と水量の混合比率が変化し混合湯温は上昇、あるいは下
降を始める。同様に湯圧、水圧が元圧の変動に伴ない変
化した場合も混合湯温は変化を開始する。これらの場合
、混合湯温の変化は直ちにワックスサーモ30で捉えら
れ、ワックスサーモ30が膨張、収縮することによりピ
ストン32が伸縮し、混合湯温を元の設定値どおりの温
度に引き戻す。この場合温度変化は直ちにワックスサー
モ30で駆動される混合弁体27の動きとして現われ混
合比率を修正するため、応答性が速く混合湯の上昇や下
降のレベルが小さくてすむ。またワックスサーモ30は
バイメタル等他の感温体よりも駆動力が大きく取れるた
め混合弁体27の摺動抵抗が増しても安定して動作が行
なえるものである。蛇口18,19の双方が締められて
給湯が停止した場合は、混合湯温設定器20,21を「
オフ」にすると自動的にモータ38が回転し湯側弁座2
3に湯側弁体25が当接して湯側を閉成する。
Next, the operation of this embodiment will be described. Assume that a desired temperature is specified using the mixing water temperature setting device 20 and the faucet 18 is opened. The setting signal of the mixing water temperature setting device 20 is sent to the controller 22, and the motor 3 is moved to a pre-stored position.
8 moves the wax thermostat 30 and the mixing valve body 27 while checking the position with the potentiometer 40. Through this operation, a mixed water temperature approximately close to the setting value in the mixed water temperature setting device 20 can be obtained. The wax thermometer 30 expands and contracts in response to even more subtle changes in temperature, and adjusts the mixing valve body 27 to the mixing ratio of hot water and water according to the set value. Since the mixing valve body 27 is composed of a cylindrical valve body in which both hot water and water flow in from the surroundings, it can be driven with a constant force regardless of the high or low water pressure or hot water pressure, resulting in variations in characteristics. It has a difficult structure. Here, if the mixed hot water temperature setting device 21 and the faucet 19 are operated and hot water supply starts, since it has priority over the mixing hot water temperature setting device 20, the set value of the mixing hot water temperature setting device 21 will be set. The mixing ratio is adjusted accordingly. Also faucet 18
, 19, the amount of mixed hot water from the mixing valve 15 changes suddenly. Along with this, the mixing ratio of the amount of hot water and the amount of water changes, and the temperature of the mixed water begins to rise or fall. Similarly, when the hot water pressure and water pressure change due to fluctuations in the source pressure, the mixed hot water temperature also starts to change. In these cases, changes in the temperature of the mixed water are immediately detected by the wax thermometer 30, and as the wax thermometer 30 expands and contracts, the piston 32 expands and contracts, thereby returning the mixed water temperature to the original set value. In this case, the temperature change immediately appears as a movement of the mixing valve body 27 driven by the wax thermometer 30 and the mixing ratio is corrected, so the response is fast and the level of rise and fall of the mixed water is small. Further, since the wax thermometer 30 can obtain a larger driving force than other temperature sensing elements such as bimetals, it can operate stably even if the sliding resistance of the mixing valve body 27 increases. If both faucets 18 and 19 are closed and hot water supply stops, set the mixed hot water temperature setting devices 20 and 21 to
When set to ``OFF'', the motor 38 automatically rotates and the hot water side valve seat 2 is turned off.
The hot water side valve body 25 comes into contact with the hot water side 3 to close the hot water side.

【0011】これは通常、給湯停止後放置しておくと自
然冷却によりワックスサーモ30が収縮し、湯側を開成
し水側を閉成する動作をするが、再給湯時に一時的に熱
い湯が出て危険であるため、これを防止する目的で設け
られているものであり、上記の制御は制御器22により
行なわれる。この場合も混合弁体27の位置はポテンシ
オメータ40の出力として検出され確実に閉止を行なっ
ている。なお万が一、制御器22やモータ38が故障し
てもワックスサーモ30で混合湯温の調節が行なわれる
ため熱湯が供給されることはない。
Normally, if the wax thermometer 30 is left unattended after hot water supply is stopped, the wax thermometer 30 will contract due to natural cooling, opening the hot water side and closing the water side, but when hot water is reheated, the hot water temporarily Since this is dangerous, it is provided for the purpose of preventing this, and the above control is performed by the controller 22. In this case as well, the position of the mixing valve body 27 is detected as the output of the potentiometer 40 to ensure reliable closing. Even if the controller 22 or the motor 38 breaks down, the wax thermometer 30 adjusts the temperature of the mixed water, so hot water will not be supplied.

【0012】なお、混合弁体27で湯側を閉成する動作
は、給湯の開始が指示されてから実際に給湯が行なわれ
るまでの間に行なってもよい。また、給湯の停止は流量
センサによる信号検出や、給湯停止手段や開始手段の操
作スイッチ信号を利用して検出する方法等、各種の方法
が考えられる。
[0012] The operation of closing the hot water side with the mixing valve body 27 may be performed after the start of hot water supply is instructed and before the hot water is actually supplied. In addition, various methods can be considered for stopping the hot water supply, such as detecting a signal using a flow rate sensor or detecting the operation switch signal of the hot water supply stop means or start means.

【0013】[0013]

【発明の効果】以上で説明したように本発明の給湯装置
は、感温体の位置変化を利用して混合弁体を駆動すると
ともに、電気的駆動手段を用いて混合弁体と感温体を駆
動し、混合湯温設定器の信号に基づいて予め設定した位
置に混合弁体と感温体を移動し、混合湯温の微調整や外
乱による混合湯温の修正を感温体を利用して行ない、給
湯の停止中に湯側流路を閉成する位置に混合弁体を臨ま
せているため、次のような効果を有している。
Effects of the Invention As explained above, the water heater of the present invention uses changes in the position of the temperature sensing element to drive the mixing valve element, and also uses an electric drive means to move the mixing valve element and the temperature sensing element. The mixing valve body and temperature sensing element are moved to preset positions based on the signal from the mixing water temperature setting device, and the temperature sensing element is used to finely adjust the mixed water temperature and modify the mixed water temperature due to disturbances. Since the mixing valve element faces the position where the hot water side flow path is closed while the hot water supply is stopped, the following effects are achieved.

【0014】(1)混合湯温の設定が混合湯温設定器か
ら電気的駆動手段へ遠隔操作が可能であり設置の自由度
が増すとともに、混合湯温設定器の操作性も電気的操作
部に成し得るため操作性が良い。
(1) The mixing water temperature can be set remotely from the mixing water temperature setting device to the electric drive means, increasing the degree of freedom in installation, and the mixing water temperature setting device can also be easily operated by using the electric drive means. It is easy to operate because it can be used to

【0015】(2)湯圧、水圧変動や混合湯量の急変に
伴なう混合湯温の変動を感温体が捉え直接混合弁体を駆
動するため応答が早く、混合湯温の上昇や下降のレベル
が小さくてすむ。
(2) The temperature sensing element captures fluctuations in the mixed water temperature due to sudden changes in water pressure, water pressure fluctuations, and the amount of mixed hot water and directly drives the mixing valve body, so the response is quick and the mixed water temperature rises and falls. The level of can be small.

【0016】(3)万が一電気的駆動部が故障しても感
温体で混合湯温の調節が行なわれるため熱湯が供給され
るようなことを防止できる。
(3) Even in the unlikely event that the electric drive unit malfunctions, the temperature of the mixed water is adjusted by the temperature sensing element, so it is possible to prevent hot water from being supplied.

【0017】(4)給湯の停止中に混合弁体で湯側を閉
成できるため、感温部周辺の自然冷却が原因となる再給
湯時のオーバシュートが防止できる。
(4) Since the hot water side can be closed by the mixing valve body while hot water supply is stopped, overshoot during reheating caused by natural cooling around the temperature sensing part can be prevented.

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

【図1】本発明の一実施例における湯水混合装置を示す
一部切欠断面図
FIG. 1 is a partially cutaway sectional view showing a hot water mixing device in an embodiment of the present invention.

【図2】同実施例の湯水混合装置を用いた給湯系統図[Figure 2] Hot water supply system diagram using the hot water mixing device of the same example


図3】従来の湯水混合装置を示す断面図
[
Figure 3: Cross-sectional view showing a conventional hot water mixing device

【符号の説明】[Explanation of symbols]

20,21  混合湯温設定器 22  制御器 27  混合弁体 30  ワックスサーモ(感温体) 38  モータ(電気的駆動手段) 20, 21 Mixed water temperature setting device 22 Controller 27 Mixing valve body 30 Wax thermo (temperature sensing element) 38 Motor (electrical drive means)

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】湯と水の混合比率を調節する混合弁体と、
温度に応じて変化する変位を利用してこの混合弁体を駆
動する混合湯流路に設けた感温体と、前記混合弁体と前
記感温体の位置調節を行なう電気的駆動手段と、混合湯
温の設定を行なう混合湯温設定器と、この混合湯温設定
器の信号に基づいて予め設定した位置に前記電気的駆動
手段を介して前記混合弁体と感温体を移動するとともに
、給湯の停止中に湯側流路を閉成する位置に前記混合弁
体を臨ませる制御を行なう制御器とを備えた湯水混合装
置。
Claim 1: A mixing valve body that adjusts the mixing ratio of hot water and water;
a temperature sensing element provided in the mixing water flow path that drives the mixing valve element using displacement that changes depending on temperature; and an electric drive means that adjusts the positions of the mixing valve element and the temperature sensing element; a mixing water temperature setting device for setting the mixing water temperature; and moving the mixing valve body and the temperature sensing body to preset positions based on a signal from the mixing water temperature setting device via the electric driving means. A hot water mixing device comprising: a controller that controls the mixing valve body to face a position where a hot water side flow path is closed while hot water supply is stopped;
JP11985291A 1991-05-24 1991-05-24 Hot water mixing device Expired - Lifetime JPH0743053B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11985291A JPH0743053B2 (en) 1991-05-24 1991-05-24 Hot water mixing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11985291A JPH0743053B2 (en) 1991-05-24 1991-05-24 Hot water mixing device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP10584284A Division JPS60249783A (en) 1984-05-25 1984-05-25 Hot water and cold water mixing device

Publications (2)

Publication Number Publication Date
JPH04228988A true JPH04228988A (en) 1992-08-18
JPH0743053B2 JPH0743053B2 (en) 1995-05-15

Family

ID=14771869

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11985291A Expired - Lifetime JPH0743053B2 (en) 1991-05-24 1991-05-24 Hot water mixing device

Country Status (1)

Country Link
JP (1) JPH0743053B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643456U (en) * 1992-11-11 1994-06-10 東陶機器株式会社 Thermostat mixing valve
JPH08100948A (en) * 1994-09-30 1996-04-16 Noritz Corp Storage type hot water supply system
EP0923013A1 (en) * 1997-12-10 1999-06-16 Danfoss A/S Thermostat head for a valve
CN108468855A (en) * 2018-06-15 2018-08-31 深圳龙图腾创新设计有限公司 One kind identifies temperature control for faucet water based near field

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0643456U (en) * 1992-11-11 1994-06-10 東陶機器株式会社 Thermostat mixing valve
JPH08100948A (en) * 1994-09-30 1996-04-16 Noritz Corp Storage type hot water supply system
EP0923013A1 (en) * 1997-12-10 1999-06-16 Danfoss A/S Thermostat head for a valve
CN108468855A (en) * 2018-06-15 2018-08-31 深圳龙图腾创新设计有限公司 One kind identifies temperature control for faucet water based near field
CN108468855B (en) * 2018-06-15 2019-06-21 鹤山市金威豪泰卫浴实业有限公司 One kind is based near field identification temperature control for faucet water

Also Published As

Publication number Publication date
JPH0743053B2 (en) 1995-05-15

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