JP4372568B2 - Hot water automatic stop device - Google Patents

Hot water automatic stop device Download PDF

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JP4372568B2
JP4372568B2 JP2004029405A JP2004029405A JP4372568B2 JP 4372568 B2 JP4372568 B2 JP 4372568B2 JP 2004029405 A JP2004029405 A JP 2004029405A JP 2004029405 A JP2004029405 A JP 2004029405A JP 4372568 B2 JP4372568 B2 JP 4372568B2
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hot water
hot
shape memory
bathtub
mixing tap
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JP2005218628A (en
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勉 望月
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安藤建設株式会社
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Description

この発明は、ホテルに設置されるユニットバス等におけるバスタブ等の湯張り自動停止装置に関する。   The present invention relates to a hot water filling automatic stop device such as a bathtub in a unit bath or the like installed in a hotel.

ホテル等に設置されるユニットバスは、バスタブの開口縁の一部に、このバスタブへ給湯する湯水混合栓が設けられている。湯水混合栓には、給水配管及び給湯配管が並列的に接続され、湯水混合栓によって給水と給湯を混合し、所望の温度の湯温に保ってバスタブに給湯するようになっている。   A unit bath installed in a hotel or the like has a hot and cold water mixing tap for supplying hot water to the bathtub at a part of the opening edge of the bathtub. A water supply pipe and a hot water supply pipe are connected in parallel to the hot and cold water mixing tap, and the hot water and the hot water mixing water are mixed with the hot and cold water mixing plug, and the hot water is supplied to the bathtub while maintaining the desired hot water temperature.

バスタブには所定の水位に達したときにオーバーフローさせる開口が設けられ、使用者がバスタブに身体を沈めたときに、水位が上がり開口より上昇したときにバスタブ内の湯水をオーバーフローさせるようになっている。また、湯水混合栓を開栓してバスタブに給湯中に、湯水混合栓を閉栓するのを忘れた場合にも、前記開口からオーバーフローさせるようになっている。   The bathtub is provided with an opening that overflows when the water level reaches a predetermined level. When the user sinks her body into the bathtub, the water level rises and rises above the opening so that the hot water in the bathtub overflows. Yes. In addition, when the hot water / water mixing tap is opened and the user forgets to close the hot water / water mixing tap during hot water supply to the bathtub, the water overflows from the opening.

しかしながら、バスタブに給湯中に、湯水混合栓を閉栓するのを忘れた場合、給湯された湯水をオーバーフローさせることは湯水の無駄となり、水道代は勿論のこと、ガス・電気の消費が嵩むことになる。特に、数百人を収容するホテルを想定すると、各部屋に設置されたバスルームで前述のような湯水混合栓の閉栓忘れが発生した場合には多大な損失となる。   However, if you forget to close the hot and cold water mixing tap during hot water supply to the bathtub, overflowing the hot water supply will be a waste of hot water and will increase gas and electricity consumption as well as water bills. Become. In particular, assuming a hotel that accommodates several hundred people, if the forgotten closing of the hot and cold water mixing tap occurs in the bathroom installed in each room, a great loss occurs.

そこで、バスタブに湯水の水位をモニタする水位センサを設け、バスタブの水位が設定値に達したとき、給湯栓を自動的に閉栓するようにしたものが知られている(例えば、特許文献1参照。)。   Therefore, a water level sensor for monitoring the water level of the hot water is provided in the bathtub, and the hot water tap is automatically closed when the water level of the bathtub reaches a set value (see, for example, Patent Document 1). .)

この特許文献1のものは、バスタブの内側面には水位センサが設けられている。水位センサは制御盤に電気的に接続され、この制御盤は壁等に設置されたコントローラに電気的に接続されている。そして、制御盤は電磁弁からなる給湯栓に電気的に接続され、水位センサからの信号によって給湯栓を開栓・閉栓するようになっている。
特開平5−34000号公報
The thing of this patent document 1 is provided with the water level sensor in the inner surface of the bathtub. The water level sensor is electrically connected to a control panel, and this control panel is electrically connected to a controller installed on a wall or the like. The control panel is electrically connected to a hot water tap made of an electromagnetic valve, and the hot water tap is opened and closed by a signal from a water level sensor.
JP-A-5-34000

しかしながら、前述した特許文献1のものは、水位センサの検知信号を電気信号して制御盤に入力し、その電気信号によって電磁弁からなる給湯栓を開栓・閉栓する風呂の自動運転装置である。従って、設備が大掛かりとなり、設備費用が嵩むとともに、水回りの設備に電気を使用するために、電気的に絶縁構造が複雑となり、コストアップの原因となる。   However, the above-mentioned one in Patent Document 1 is an automatic bath operation device that electrically inputs a detection signal of a water level sensor and inputs it to a control panel, and opens and closes a hot water tap made of an electromagnetic valve by the electrical signal. . Accordingly, the equipment becomes large, the equipment costs increase, and electricity is used for the equipment around the water, so that the insulating structure becomes electrically complicated, resulting in an increase in cost.

この発明は、前記事情に着目してなされたもので、その目的とするところは、電気を使用せず、簡易的な構造でありながら、湯槽に給湯中に、湯水混合栓を閉栓するのを忘れた場合、給湯された湯水をオーバーフローさせることなく、確実に閉栓することができ、しかも既設の設備に設置できる湯張り自動停止装置を提供することにある。   The present invention has been made by paying attention to the above circumstances, and the object of the present invention is to close the hot and cold water mixing plug while hot water is supplied to the hot water tank while using a simple structure without using electricity. It is an object of the present invention to provide a hot water filling automatic stop device that can be reliably plugged without overflowing hot water supplied when it is forgotten and that can be installed in existing facilities.

この発明は、前記目的を達成するために、請求項1は、湯槽と、この湯槽へ給湯する湯水混合栓と、前記湯槽の一部に設置され、該湯槽に給湯される湯温を感知して記憶形状に変形する形状記憶部材と、この形状記憶部材の変形によって駆動し、前記湯水混合栓を閉栓する駆動部材とを具備し、前記湯槽の内側面のオーバーフロー位置より下位に、該湯槽に給湯された湯水が進入する凹陥部を有し、この凹陥部の内部に前記形状記憶部材が設置されていることを特徴とする湯張り自動停止装置にある。 In order to achieve the above object, the present invention provides a hot water tank, a hot water mixing tap for supplying hot water to the hot water tank, and a hot water temperature supplied to the hot water tank, which is installed in a part of the hot water tank. A shape memory member that is deformed into a memory shape, and a drive member that is driven by the deformation of the shape memory member and closes the hot and cold water mixing tap, and is disposed below the overflow position on the inner surface of the hot water tank. The hot water filling automatic stop device is characterized in that it has a recessed portion into which hot water supplied by the hot water enters, and the shape memory member is installed inside the recessed portion .

前記構成によれば、湯水混合栓から湯槽に給湯中、湯槽の水位が形状記憶部材の設置位置に達すると、形状記憶部材が湯槽に給湯される湯温を感知して記憶形状に変形する。この形状記憶部材の変形によって駆動部材が駆動して湯水混合栓を閉栓し、湯槽から湯水がオーバーフローするのを防止することができる。   According to the said structure, if the water level of a hot water tank reaches the installation position of a shape memory member during hot water supply from a hot-water mixing tap to a hot water tank, a shape memory member will sense the hot water temperature supplied to a hot water tank, and will deform | transform into a memory shape. Due to the deformation of the shape memory member, the driving member is driven to close the hot / cold water mixing stopper, thereby preventing the hot water from overflowing from the hot water tank.

この発明によれば、湯槽に給湯中に、湯水混合栓を閉栓するのを忘れた場合でも湯水混合栓を自動的に閉栓することができ、給湯された湯水をオーバーフローさせることなく経済的である。しかも、電気を使用しない簡易構造であり、また既設の設備に設置できることからコストダウンを図ることができるという効果がある。   According to the present invention, even when forgetting to close the hot and cold water mixing tap during hot water supply to the hot water tank, the hot and cold water mixing tap can be automatically closed, and it is economical without overflowing the hot water supplied. . In addition, since it has a simple structure that does not use electricity and can be installed in existing facilities, there is an effect that costs can be reduced.

以下、この発明の実施の形態を図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図1及び図2は第1の実施形態を示し、図1は風呂の湯張り自動停止装置を示し、開栓時の縦断側面図、図2は同じく閉栓時の縦断側面図である。   1 and 2 show a first embodiment, FIG. 1 shows a bath filling automatic stop device, a longitudinal side view when opening, and FIG. 2 is a longitudinal side view when closing.

図1及び図2に示すように、ホテル等に設置されるユニットバスの湯槽としてのバスタブ11の開口縁部には湯水混合栓12が設けられている。湯水混合栓12には給水源と接続する給水配管13と給湯源と接続する給湯配管14が並列的に接続されている。湯水混合栓12には開閉レバー15が水平面内で回動可能及び上下方向に回動可能に設けられている。   As shown in FIGS. 1 and 2, a hot and cold water mixing tap 12 is provided at the opening edge of a bathtub 11 as a hot water tank of a unit bath installed in a hotel or the like. A water supply pipe 13 connected to the water supply source and a hot water supply pipe 14 connected to the hot water supply source are connected to the hot water mixing tap 12 in parallel. The hot / cold mixing tap 12 is provided with an open / close lever 15 so as to be rotatable in a horizontal plane and vertically.

そして、開閉レバー15を手動によって左右方向に回動することにより、給水と給湯との混合度合いを調節して任意の湯温に設定して給湯できるようになっており、また開閉レバー15を手動によって押し下げると閉栓され、引き上げると開栓してバスタブ11に給湯されるようになっている。湯水混合栓12の開栓・閉栓の状態は表示パネル19に表示され、同時に湯張りが完了したことを音声によって報知するようにしてもよい。   Then, by manually turning the open / close lever 15 in the left-right direction, the mixing degree of the water supply and the hot water supply can be adjusted to set an arbitrary hot water temperature, and the hot water can be supplied manually. When it is pushed down, it is closed, and when it is pulled up, it is opened and hot water is supplied to the bathtub 11. The open / close state of the hot / cold mixing tap 12 may be displayed on the display panel 19 and at the same time, a notification that the hot water filling has been completed may be made by voice.

また、バスタブ11の内側面で、湯水混合栓12のほぼ真下に位置する箇所には凹陥部16が一体的に設けられている。この凹陥部16はバスタブ11のオーバーフロー位置より僅かに下位に位置しており、この凹陥部16の内部には形状記憶部材としての形状記憶合金17が設けられている。この形状記憶合金17は、例えばNi−Ti合金、Cu−Zn−Al合金等の線状体からなる伸長・圧縮自在なコイル状部材であり、圧縮状態に形状記憶されている。つまり、常温時においては形状記憶合金17が伸長状態にあるが、38〜42℃に加熱されると、圧縮変形するようになっている。   In addition, a recessed portion 16 is integrally provided at a location located on the inner side surface of the bathtub 11 almost directly below the hot-water mixing tap 12. The recessed portion 16 is located slightly below the overflow position of the bathtub 11, and a shape memory alloy 17 as a shape memory member is provided inside the recessed portion 16. The shape memory alloy 17 is a coil-shaped member that can be expanded and compressed, for example, made of a linear body such as a Ni—Ti alloy, a Cu—Zn—Al alloy, and the shape is memorized in a compressed state. In other words, the shape memory alloy 17 is in an elongated state at normal temperature, but is compressed and deformed when heated to 38 to 42 ° C.

コイル状部材からなる形状記憶合金17の一端部は凹陥部16の底面に固定され、他端部にはロッドからなる駆動部材18が連結されている。この駆動部材18は凹陥部16の上面を貫通して前記湯水混合栓12の開閉レバー15に連結されている。そして、形状記憶合金17が伸長しているときは、開閉レバー15が上方へ回動した位置に保持され、湯水混合栓12を開栓した位置にあるが、圧縮したときには駆動部材18を介して開閉レバー15を引き下げて湯水混合栓12を閉栓できるようになっている。   One end portion of the shape memory alloy 17 made of a coil-shaped member is fixed to the bottom surface of the recessed portion 16, and a driving member 18 made of a rod is connected to the other end portion. The drive member 18 passes through the upper surface of the recessed portion 16 and is connected to the open / close lever 15 of the hot-water / water mixing tap 12. When the shape memory alloy 17 is extended, the open / close lever 15 is held in a position where it is pivoted upward, and the hot water / water mixing tap 12 is in the opened position. The hot / cold mixing tap 12 can be closed by pulling down the opening / closing lever 15.

なお、開閉レバー15は形状記憶合金17の変形に関係なく、手動によって開閉レバー15を上下方向に回動して湯水混合栓12を開栓・閉栓可能であり、このとき駆動部材18を介して形状記憶合金17に伸縮力が加わるが、形状記憶合金17の機能に悪影響を及ぼすことがない。   Regardless of the deformation of the shape memory alloy 17, the open / close lever 15 can be manually opened and closed by turning the open / close lever 15 in the vertical direction. Although a stretching force is applied to the shape memory alloy 17, the function of the shape memory alloy 17 is not adversely affected.

次に、第1の実施形態の作用について説明する。   Next, the operation of the first embodiment will be described.

図1に示すように、バスタブ11が空の状態からバスタブ11に給湯して湯張りを行う場合、湯水混合栓12の開閉レバー15を手動によって引き上げると、湯水混合栓12が開栓して湯水混合栓12からバスタブ11に給湯される。このとき、形状記憶合金17の周辺の温度は常温であり、形状記憶合金17は伸長状態にある。   As shown in FIG. 1, when hot water is supplied to the bathtub 11 when the bathtub 11 is empty, when the open / close lever 15 of the hot / cold mixing tap 12 is pulled up manually, the hot / cold mixing tap 12 is opened and hot water is supplied. Hot water is supplied from the mixing tap 12 to the bathtub 11. At this time, the temperature around the shape memory alloy 17 is normal temperature, and the shape memory alloy 17 is in an extended state.

図2に示すように、バスタブ11に給湯された湯水の水位が徐々に上昇し、凹陥部16の内部に進入すると、形状記憶合金17は湯水に浸され、湯水によって形状記憶合金17が加温される。形状記憶合金17は、38〜42℃に加熱されると、記憶された形状に戻るため、形状記憶合金17は圧縮変形する。従って、この形状記憶合金17と連結されている駆動部材18を介して開閉レバー15を引き下げて湯水混合栓12を閉栓し、湯水混合栓12からの給湯は自動的に停止する。   As shown in FIG. 2, when the level of the hot water supplied to the bathtub 11 gradually rises and enters the inside of the recessed portion 16, the shape memory alloy 17 is immersed in the hot water, and the shape memory alloy 17 is heated by the hot water. Is done. When the shape memory alloy 17 is heated to 38 to 42 ° C., the shape memory alloy 17 returns to the memorized shape, so that the shape memory alloy 17 undergoes compression deformation. Therefore, the open / close lever 15 is pulled down via the drive member 18 connected to the shape memory alloy 17 to close the hot / cold mixing tap 12, and hot water supply from the hot / cold mixing tap 12 is automatically stopped.

従って、湯水混合栓12を閉栓するのを忘れた場合でも湯水混合栓12を自動的に閉栓することができ、バスタブ11に給湯された湯水をオーバーフローさせることはない。また、湯水混合栓12が閉栓されると、表示パネル19に表示され、同時に湯張りが完了したことを音声によって報知する。   Therefore, even when it is forgotten to close the hot / cold mixing tap 12, the hot / cold mixing tap 12 can be closed automatically, and the hot water supplied to the bathtub 11 does not overflow. Further, when the hot and cold mixing tap 12 is closed, it is displayed on the display panel 19 and at the same time notifies the user that the hot water filling has been completed.

なお、前記第1の実施形態においては、湯水混合栓12は、開閉レバー15を手動によって押し下げると閉栓され、引き上げると開栓するタイプであるが、逆に開閉レバー15を手動によって押し下げると開栓され、引き上げると閉栓するタイプにも適用できる。この場合には、駆動部材18を梃子の原理で、形状記憶合金17によって駆動部材18が引き下げられたときに押し上げる機能を追加してもよく、形状記憶合金17を、常温時においては形状記憶合金17が圧縮状態にあるが、38〜42℃に加熱されると、伸長変形して湯水混合栓12を閉栓するようにしてもよい。   In the first embodiment, the hot and cold water mixing tap 12 is of a type that is closed when the open / close lever 15 is pushed down manually and is opened when the open / close lever 15 is pulled up. It can also be applied to a type that closes when pulled up. In this case, a function of pushing up the drive member 18 when the drive member 18 is pulled down by the shape memory alloy 17 according to the principle of the lever may be added. The shape memory alloy 17 may be shaped at room temperature. 17 is in a compressed state, but when heated to 38 to 42 ° C., it may be deformed to close the hot and cold mixing plug 12.

さらに、形状記憶部材として形状記憶合金を用いたが、形状記憶樹脂を用いてもよい。   Furthermore, although the shape memory alloy is used as the shape memory member, a shape memory resin may be used.

また、バスタブ11に凹陥部16を設け、この凹陥部16の内部に形状記憶部材を設けたが、凹陥部16は必ずしも必要はなく、凹陥部16を持っていない既設のバスタブ11においても形状記憶部材を設置して湯水混合栓12を閉栓できる。   Moreover, although the recessed part 16 was provided in the bathtub 11, and the shape memory member was provided in the inside of this recessed part 16, the recessed part 16 is not necessarily required and shape memory is also used in the existing bathtub 11 which does not have the recessed part 16. The member can be installed to close the hot and cold water mixing tap 12.

さらに、湯槽としてホテル等に設置されるバスタブについて説明したが、この発明はバスタブに限定されず、給湯する湯槽を持った厨房設備機器にも適用できる。   Furthermore, although the bathtub installed in a hotel etc. as a hot water tank was demonstrated, this invention is not limited to a bathtub, It can apply also to the kitchen equipment apparatus with the hot water tank which supplies hot water.

なお、この発明は、前記実施形態そのままに限定されるものではなく、実施段階ではその要旨を逸脱しない範囲で構成要素を変形して具体化できる。また、前記実施形態に開示されている複数の構成要素の適宜な組合せにより種々の考案を形成できる。例えば、実施形態に示される全構成要素から幾つかの構成要素を削除してもよい。さらに、異なる実施形態に亘る構成要素を適宜組合わせてもよい。   Note that the present invention is not limited to the above-described embodiment as it is, and can be embodied by modifying the constituent elements without departing from the scope of the invention in the implementation stage. Moreover, various devices can be formed by appropriately combining a plurality of components disclosed in the embodiment. For example, some components may be deleted from all the components shown in the embodiment. Furthermore, you may combine suitably the component covering different embodiment.

この発明の第1の実施形態を示し、風呂の湯張り自動停止装置の開栓時の縦断側面図。The 1st Embodiment of this invention is shown and the vertical side view at the time of opening of the hot water filling automatic stop apparatus of a bath is shown. 同実施形態を示し、閉栓時の縦断側面図。The longitudinal section side view which shows the same embodiment and is plugged.

符号の説明Explanation of symbols

11…バスタブ、12…湯水混合栓、15…開閉レバー、16…凹陥部、17…形状記憶合金、18…駆動部材 DESCRIPTION OF SYMBOLS 11 ... Bathtub, 12 ... Hot and cold water mixing tap, 15 ... Open / close lever, 16 ... Recessed part, 17 ... Shape memory alloy, 18 ... Drive member

Claims (1)

湯槽と、この湯槽へ給湯する湯水混合栓と、前記湯槽の一部に設置され、該湯槽に給湯される湯温を感知して記憶形状に変形する形状記憶部材と、この形状記憶部材の変形によって駆動し、前記湯水混合栓を閉栓する駆動部材とを具備し、前記湯槽の内側面のオーバーフロー位置より下位に、該湯槽に給湯された湯水が進入する凹陥部を有し、この凹陥部の内部に前記形状記憶部材が設置されていることを特徴とする湯張り自動停止装置。 A hot water tank, a hot and cold water mixing tap for supplying hot water to the hot water tank, a shape memory member that is installed in a part of the hot water tank and senses the temperature of hot water supplied to the hot water tank and deforms into a memory shape, and a deformation of the shape memory member And a drive member that closes the hot and cold water mixing tap, and has a recessed portion into which the hot water supplied to the hot water bath enters below the overflow position on the inner surface of the hot water bath. A hot water filling automatic stop device , wherein the shape memory member is installed inside .
JP2004029405A 2004-02-05 2004-02-05 Hot water automatic stop device Expired - Fee Related JP4372568B2 (en)

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JP4372568B2 true JP4372568B2 (en) 2009-11-25

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