JP2005241224A - Bathroom heating dryer with mist sauna function - Google Patents

Bathroom heating dryer with mist sauna function Download PDF

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JP2005241224A
JP2005241224A JP2004055099A JP2004055099A JP2005241224A JP 2005241224 A JP2005241224 A JP 2005241224A JP 2004055099 A JP2004055099 A JP 2004055099A JP 2004055099 A JP2004055099 A JP 2004055099A JP 2005241224 A JP2005241224 A JP 2005241224A
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mist
water
nozzle
valve
water supply
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JP4164037B2 (en
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Kazuyuki Morimoto
和幸 森本
Kan Teranishi
貫 寺西
Kenji Takahata
賢志 高畑
Itaru Kimura
格 木村
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Harman Pro Co Ltd
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Harman Pro Co Ltd
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  • Devices For Medical Bathing And Washing (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Control For Baths (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To prevent filthy water from being injected into a bathroom from a mist nozzle when starting mist operation to allow a user to enjoy sanitary mist sauna bathing comfortably. <P>SOLUTION: This bathroom heating dryer is provided with a heating dryer main body 2 for supplying warm air into the bathroom 13 and a mist spraying device 3 for spraying warm water like mist. The mist spraying device 3 is provided with the mist nozzle 10, a water supply pipe passage 20 for mist, a water supply valve 22, a heat exchanger 11 for mist, and nozzle valves 24a, 24b. A water drain pipe passage 21 for mist for draining water in the water supply pipe passage 20 for mist when starting mist operation is branched from the upstream side more than the nozzle valves 24a, 24b of the water supply pipe passage 20 for mist, and the water drain pipe passage 21 for mist is opened and closed by a water drain valve 26. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、ミストサウナ機能を有する浴室暖房乾燥機に関するものである。   The present invention relates to a bathroom heater / dryer having a mist sauna function.

従来から、ミストサウナを実現するにあたり、水を加熱し、ミストノズルより少量の水をミスト状に噴霧すると共に、温風にて加熱することにより、浴室内でミストサウナ浴ができるようにしたものがある。   Conventionally, in order to realize a mist sauna, water is heated, and a small amount of water is sprayed in a mist form from a mist nozzle and heated with warm air, so that a mist sauna bath can be made in the bathroom. There is.

その一例として、液々熱交換器において熱源手段から熱媒循環路を通して供給される熱媒にて給水路を通して供給される水を加熱させ、その液々熱交換器にて加熱された湯水をミストノズルに供給することにより、液々熱交換器にて加熱された湯水をミスト状に噴出させるようにした浴用ミスト装置が知られている(例えば、特許文献1参照)。   As an example, water supplied through a water supply path is heated by a heat medium supplied from a heat source means through a heat medium circulation path in a liquid heat exchanger, and hot water heated in the liquid heat exchanger is misted. A bath mist device is known in which hot water heated by a liquid-to-liquid heat exchanger is ejected in the form of a mist by supplying it to a nozzle (see, for example, Patent Document 1).

ところが、上記特許文献1にみられる従来例では、ミスト運転後に、ミスト用湯水供給路の液々熱交換器とミストノズルとの間の水路部分に残存する残存湯水のみを、浴室内に排出させるようにしている。このため、ミスト装置を長期間使用しない場合、ミスト用湯水供給路に残存する水が汚れて滞留したり、或いは残存湯水に雑菌が繁殖したり、残存湯水自体が腐食したりし、ミスト運転開始時にその汚水がミストノズルから浴室内に噴出されることとなり、衛生上において好ましいことではない。
特開2003−334230号公報
However, in the conventional example shown in Patent Document 1, only the remaining hot water remaining in the water channel portion between the liquid heat exchanger and the mist nozzle in the hot water supply path for mist is discharged into the bathroom after the mist operation. Like that. For this reason, when the mist device is not used for a long period of time, the water remaining in the hot water supply channel for mist stays dirty, or germs grow in the remaining hot water, or the remaining hot water itself corrodes, and the mist operation starts. Sometimes the sewage is ejected from the mist nozzle into the bathroom, which is not preferable for hygiene purposes.
JP 2003-334230 A

本発明は上記の従来の問題点に鑑みて発明したものであって、ミスト運転開始時にミスト用給水管路内の汚れた水や残水がミストノズルから浴室内に噴出されるのを防止でき、これにより、衛生的なミストサウナ浴を快適に楽しむことができるミストサウナ機能付き浴室暖房乾燥機を提供することを課題とするものである。   The present invention has been invented in view of the above-described conventional problems, and can prevent dirty water and residual water in the water supply line for mist from being ejected from the mist nozzle into the bathroom at the start of mist operation. Thus, an object of the present invention is to provide a bathroom heater / dryer with a mist sauna function that can comfortably enjoy a hygienic mist sauna bath.

前記課題を解決するために本発明に係るミストサウナ機能付き浴室暖房乾燥機は、浴室13内に温風を供給する暖房乾燥機本体2と、温水をミスト状に噴霧するミスト噴霧装置3とを備え、上記ミスト噴霧装置3は、ミストサウナ用の温水を噴霧するするミストノズル10と、ミストノズル10に水を供給するミスト用給水管路20と、ミスト用給水管路20に配置されて水の供給を制御する給水弁22と、ミストノズル10に供給される水を加熱するミスト用熱交換器11と、ミスト用熱交換器11とミストノズル10との間に介在されてミストノズル10への水の供給を制御するノズル弁24a,24bとを備えると共に、ミスト用給水管路20のノズル弁24a,24bよりも上流側から、ミスト運転開始時にミスト用給水管路20内の水を抜くためのミスト用排水管路21を分岐させ、このミスト用排水管路21を排水弁26により開閉することを特徴としている。   In order to solve the above problems, a bathroom heating / drying machine with a mist sauna function according to the present invention comprises a heating / drying machine body 2 for supplying warm air into the bathroom 13 and a mist spraying device 3 for spraying hot water in a mist form. The mist spraying device 3 includes a mist nozzle 10 that sprays hot water for a mist sauna, a mist water supply line 20 that supplies water to the mist nozzle 10, and a mist water supply line 20 that is disposed in the mist water supply line 20. A water supply valve 22 that controls the supply of water, a heat exchanger 11 for mist that heats water supplied to the mist nozzle 10, and a mist nozzle 10 that is interposed between the heat exchanger 11 for mist and the mist nozzle 10. Nozzles 24a, 24b for controlling the supply of water in the mist, and from the upstream side of the nozzle valves 24a, 24b of the mist water supply line 20 in the mist water supply line 20 when the mist operation starts. Mist drainage pipe 21 for removing the water is branched, it is characterized by opening and closing the mist drainage pipe 21 by the drain valve 26.

このような構成とすることで、ミスト噴霧装置3を長期間使用せずに、ミストノズル10に水を供給するミスト用給水管路20内に水が汚れて滞留している場合であっても、ミスト運転開始時にノズル弁24a,24bを閉じた状態で排水弁26を開いてミスト用給水管路20内の水をミスト用排水管路21から抜くことにより、ミスト用給水管路20内の汚れた水や残水を浴室13外部に排水でき、その後、排水弁26を閉じてノズル弁24a,24bを開くことによって、ミストノズル10から浴室13内に清浄な温水をミスト状に噴霧できるようになる。   With such a configuration, even when the mist spraying device 3 is not used for a long period of time and the water is contaminated and stays in the mist supply pipe 20 for supplying water to the mist nozzle 10. When the mist operation is started, the drain valve 26 is opened with the nozzle valves 24a and 24b closed, and the water in the mist feed pipe 20 is drained from the mist drain pipe 21 so that the mist feed pipe 20 Dirty water and residual water can be drained to the outside of the bathroom 13, and then clean water can be sprayed into the bathroom 13 from the mist nozzle 10 into the bathroom 13 by closing the drain valve 26 and opening the nozzle valves 24a and 24b. become.

また、上記ミスト運転開始時にノズル弁24a,24bを閉じ且つ給水弁22及び排水弁26を開いてミスト用給水管路20内の残水をミスト用排水管路21から水抜きした後、排水弁26を閉じ且つノズル弁24a,24bを開いてミスト用給水管路20への水の供給を再開する自動排水モードを有するのが好ましく、この場合、ミスト用給水管路20内の汚れた水や残水の水抜き操作を自動的に行なうことが可能となり、手動操作による排水操作が不要となるため、衛生上好ましいものとしながら、快適操作を実現できる。   Further, after the nozzle valves 24a and 24b are closed at the start of the mist operation and the water supply valve 22 and the drain valve 26 are opened to drain water remaining in the mist water supply pipe 20 from the mist drain pipe 21, the drain valve It is preferable to have an automatic drain mode in which the water supply to the mist water supply line 20 is resumed by closing the nozzle 26 and opening the nozzle valves 24a and 24b. In this case, the dirty water in the mist water supply line 20 The draining operation of the remaining water can be automatically performed, and the draining operation by the manual operation becomes unnecessary, so that the comfortable operation can be realized while being preferable in terms of hygiene.

また、上記ノズル弁24a,24bをミストノズル10に近接して配置するのが好ましく、この場合、ノズル弁24a,24bからミストノズル10までの距離が短くなり、ミスト運転を停止してノズル弁24a,24bを閉じた後に、ノズル弁24a,24bとミストノズル10との間のパイプ部分28に溜まる水の量を極力減らすことができ、これにより運転停止後に、ミストノズル10から自然に浴室13内に抜けていく水(垂れ水)の量を減らすことができると共に、ノズル弁24a,24bとミストノズル10との間のパイプ部分28において、空気置換による水の汚染防止を図ることができる。   The nozzle valves 24a and 24b are preferably disposed close to the mist nozzle 10. In this case, the distance from the nozzle valves 24a and 24b to the mist nozzle 10 is shortened, and the mist operation is stopped to stop the nozzle valve 24a. , 24b is closed, the amount of water accumulated in the pipe portion 28 between the nozzle valves 24a, 24b and the mist nozzle 10 can be reduced as much as possible. In addition, the amount of water (driving water) flowing into the pipe can be reduced, and the pipe portion 28 between the nozzle valves 24a and 24b and the mist nozzle 10 can be prevented from being contaminated with air.

また、上記ノズル弁24a,24bとミストノズル10との間に、空気置換防止用のチャッキ弁29を介在させると共に、ノズル弁24a,24bをチャッキ弁29から離してミスト用熱交換器11側に近接して配置するのが好ましく、この場合、チャッキ弁29とノズル弁24a,24bとの間のパイプ部分28に溜まった水が空気置換によって汚染されることがなくなり、汚染された水を噴出することのない衛生上の効果が得られ、そのうえ、ノズル弁24a,24bをチャッキ弁29から離してミスト用熱交換器11側近くに配置することにより、電磁弁等のようなノズル弁24a,24bの配線などの組み立て性が良好になる効果も同時に得られる。   Further, a check valve 29 for preventing air replacement is interposed between the nozzle valves 24a and 24b and the mist nozzle 10, and the nozzle valves 24a and 24b are separated from the check valve 29 to the mist heat exchanger 11 side. In this case, the water accumulated in the pipe portion 28 between the check valve 29 and the nozzle valves 24a and 24b is not contaminated by the air replacement, and the contaminated water is ejected. In addition, the nozzle valve 24a, 24b can be separated from the check valve 29 and arranged near the mist heat exchanger 11 side, so that the nozzle valve 24a, 24b such as an electromagnetic valve can be obtained. At the same time, it is possible to obtain an effect of improving the assemblability of the wiring.

本発明に係るミストサウナ機能付き浴室暖房乾燥機は、ミスト運転開始時にミスト用給水管路内の汚れた水や残水がミストノズルから浴室内に噴出されるのを防止できるので、衛生的なミストサウナ浴を快適に楽しむことができる。   The bathroom heater / dryer with a mist sauna function according to the present invention is hygienic because it can prevent dirty water and residual water in the water supply pipe for mist from being ejected from the mist nozzle into the bathroom at the start of mist operation. We can enjoy mist sauna bath comfortably.

以下、本発明を添付図面に示す実施形態に基いて説明する。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

図1は本実施形態のミストサウナ機能付き浴室暖房乾燥機1の一例を示し、図2(a)(b)は自動排水モードの動作状態を示し、図3は浴室13の一例を示し、図4はミストサウナ機能付き浴室暖房乾燥機1の断面図を示し、図5はミストサウナ機能付き浴室暖房乾燥機1を下方から見た斜視図を示している。なお、図4中の50は換気ファン51を備えた送風機、52は循環ファン5を備えた送風機、53はグリル板、54は温風吹き出し口、55は可動ルーバー、56aはミスト噴霧装置3のノズル弁24a,24b等を収納する弁ボックス、57は吸い込み口であり、図5中の58は暖房乾燥機本体2を吊り下げる吊り金具である。なお、図5の仕様は、換気ファン51を暖房乾燥機本体2に内蔵している図4とは異なり、換気ファン51をファンボックス70に内蔵させて暖房乾燥機本体2に取り付けるタイプのものである。図5中の71は排気用の接続口、72、73は脱衣室やトイレの吸気用の接続口である。   FIG. 1 shows an example of a bathroom heater / dryer 1 with a mist sauna function of the present embodiment, FIGS. 2 (a) and 2 (b) show the operating state of the automatic drain mode, FIG. 3 shows an example of the bathroom 13, 4 shows a cross-sectional view of the bathroom heater / dryer 1 with a mist sauna function, and FIG. 5 shows a perspective view of the bathroom heater / dryer 1 with a mist sauna function as viewed from below. 4, 50 is a blower provided with a ventilation fan 51, 52 is a blower provided with a circulation fan 5, 53 is a grill plate, 54 is a hot air outlet, 55 is a movable louver, 56a is a mist spraying device 3 A valve box 57 for storing the nozzle valves 24a, 24b, etc., 57 is a suction port, and 58 in FIG. 5 is different from FIG. 4 in which the ventilation fan 51 is built in the heating / drying machine main body 2 and is of the type that the ventilation fan 51 is built in the fan box 70 and attached to the heating / drying machine main body 2. is there. Reference numeral 71 in FIG. 5 denotes a connection port for exhaust, and 72 and 73 denote connection ports for intake of a dressing room or a toilet.

上記ミストサウナ機能付き浴室暖房乾燥機1は、図1、図3〜図6に示すように、浴室13の天井部に設置され、浴室13内に温風を供給する暖房乾燥機本体2と、温水をミスト状に噴霧するミスト噴霧装置3と、浴室を所定温度に制御する制御部4とを備えている。浴室13の外部には給湯機能付き熱源機14が設置され、浴室13内の壁にはリモコン操作部15が設置されている。このリモコン操作部15には、例えば、暖房運転スイッチ、換気運転スイッチ、乾燥運転スイッチ、涼風運転スイッチ以外に、ミスト運転スイッチ等が設けられている。なおワイヤレスリモコンでも同様である。   The bathroom heater / dryer 1 with a mist sauna function, as shown in FIGS. 1 and 3 to 6, is installed on a ceiling portion of the bathroom 13, and supplies a warm air into the bathroom 13. A mist spraying device 3 that sprays hot water in a mist form and a control unit 4 that controls the bathroom to a predetermined temperature are provided. A heat source 14 with a hot water supply function is installed outside the bathroom 13, and a remote control operation unit 15 is installed on the wall inside the bathroom 13. The remote control operation unit 15 is provided with, for example, a mist operation switch in addition to the heating operation switch, the ventilation operation switch, the drying operation switch, and the cool air operation switch. The same applies to the wireless remote controller.

上記暖房乾燥機本体2は、図1に示す例では、給湯機能付き熱源機14(図3)と接続して熱源機14から供給される温水が循環する暖房用温水管路16を有している。暖房用温水管路16の途中には、熱源機14からの温水により加熱される温風用熱交換器7が設けられ、この温風用熱交換器7の上流に温水の供給を制御する温風用制御弁8(本例では熱動弁8a)が配置されている。温風用熱交換器7の上方には、駆動モータにより回転する循環ファン5が配置され、熱動弁8aを開放することで、循環ファン5からの風が温風用熱交換器7により加熱され、下方の温風吹き出し口54から浴室13内に供給されるようになっている。また、暖房乾燥機本体2内には、浴室温度を検知するサーミスタ等の浴室温度センサー9が配置されていると共に、暖房用温水管路16の温水温度を検知するサーミスタ等の温水温度センサー17が配置されている。   In the example shown in FIG. 1, the heating / drying machine main body 2 includes a heating hot water conduit 16 that is connected to a heat source unit 14 with a hot water supply function (FIG. 3) and in which hot water supplied from the heat source unit 14 circulates. Yes. A hot air heat exchanger 7 heated by hot water from the heat source unit 14 is provided in the middle of the hot water pipe 16 for heating, and a temperature for controlling the supply of hot water upstream of the hot air heat exchanger 7 is provided. A wind control valve 8 (in this example, a thermally operated valve 8a) is arranged. A circulation fan 5 that is rotated by a drive motor is disposed above the hot air heat exchanger 7, and the heat from the circulation fan 5 is heated by the hot air heat exchanger 7 by opening the thermal valve 8 a. The hot air blowing port 54 below is supplied into the bathroom 13. Also, a bathroom temperature sensor 9 such as a thermistor for detecting the bathroom temperature is disposed in the heating dryer body 2, and a hot water temperature sensor 17 such as a thermistor for detecting the hot water temperature of the hot water pipe 16 for heating is provided. Has been placed.

さらに、上記暖房用温水管路16の上流側と下流側は、ミスト加熱用管路19を介してバイパス接続されている。ミスト加熱用管路19の上流端部は、暖房用温水管路16の熱動弁8aよりも上流位置に分岐接続され、ミスト加熱用管路19の下流端部は、暖房用温水管路16の温風用熱交換器7よりも下流位置に分岐接続されている。   Further, the upstream side and the downstream side of the heating hot water pipe line 16 are bypass-connected via a mist heating pipe line 19. The upstream end of the mist heating pipe 19 is branched and connected to a position upstream of the thermal valve 8 a of the heating hot water pipe 16. The downstream end of the mist heating pipe 19 is connected to the heating hot water pipe 16. The hot air heat exchanger 7 is branched and connected to a downstream position.

一方、ミスト噴霧装置3のミストボックス56は、図4に示すように、暖房乾燥機本体2のボックス上部に載設されている。ミストボックス56内には、ミスト用給水管路20及びミスト用排水管路21が配管されている。ミスト用給水管路20の上流端には、電磁弁等のような給水弁22、ストレーナ23を介して、外部の水道管が接続されている。ミスト用給水管路20の途中にはミスト用熱交換器11が配置され、それよりも下流には第1及び第2ノズル弁24a,24bを介して、ミストサウナ用の温水を噴霧するする一対のミストノズル10が配設されている。ここでは、一方のミストノズル10は、マイルドなミストサウナ(ミスト噴霧量が例えば0.5リットル/min)を得るためのものであり、他方のミストノズル10はハードなミストサウナ(ミスト噴霧量が例えば1.0リットル/min)を得るためのものである。なお、第1及び第2ノズル弁24a,24bは、一対のミストノズル10,10を切り換える電磁弁からなり、本例ではノズル弁24a,24bは対応するミストノズル10に各々近接して配置されている。   On the other hand, the mist box 56 of the mist spraying device 3 is mounted on the upper portion of the box of the heating dryer body 2 as shown in FIG. In the mist box 56, a mist water supply line 20 and a mist drain line 21 are piped. An external water pipe is connected to the upstream end of the water supply pipe 20 for mist through a water supply valve 22 such as an electromagnetic valve and a strainer 23. A mist heat exchanger 11 is arranged in the middle of the mist water supply pipe 20, and a pair of spraying hot water for mist sauna downstream of the mist water supply pipe 20 through the first and second nozzle valves 24a and 24b. The mist nozzle 10 is disposed. Here, one mist nozzle 10 is for obtaining a mild mist sauna (mist spray amount is, for example, 0.5 liter / min), and the other mist nozzle 10 is a hard mist sauna (mist spray amount is 0.5 liter / min). For example, 1.0 liter / min) is obtained. The first and second nozzle valves 24a and 24b are electromagnetic valves that switch between a pair of mist nozzles 10 and 10. In this example, the nozzle valves 24a and 24b are arranged close to the corresponding mist nozzles 10, respectively. Yes.

上記ミスト用熱交換器11は、例えば図7に示すように、複数枚の波状をした伝熱プレート7aを積層したプレート式の液・液熱交換器で構成されている。このミスト用熱交換器11の一次側にはミスト用給水管路20が接続され、二次側には暖房用温水管路16が接続され、ミスト用給水管路20に配置したミスト用制御弁12(本例では水比例弁12a)を開くことで、ミスト用熱交換器11の一次側に温水が供給され、これにより二次側を通過する水が加熱されて、ミストノズル10に供給されるようになっている。また、ミスト用給水管路20にはミスト噴霧温度を検知するサーミスタ等のようなミスト温度センサー18が配置されている。   For example, as shown in FIG. 7, the mist heat exchanger 11 includes a plate-type liquid / liquid heat exchanger in which a plurality of corrugated heat transfer plates 7a are stacked. A mist water supply line 20 is connected to the primary side of the mist heat exchanger 11, a heating hot water line 16 is connected to the secondary side, and a mist control valve disposed in the mist water supply line 20. By opening 12 (water proportional valve 12a in this example), hot water is supplied to the primary side of the heat exchanger 11 for mist, whereby water passing through the secondary side is heated and supplied to the mist nozzle 10. It has become so. Further, a mist temperature sensor 18 such as a thermistor for detecting the mist spray temperature is disposed in the mist water supply line 20.

上記ミスト用給水管路20のミスト用熱交換器11とノズル弁24a,24bとの間からミスト用排水管路21が分岐している。ミスト用排水管路21は、電磁弁等のような排水弁26及びバキュームブレーカー27を介して、外部の排水管に接続されており、ミスト運転開始時に、ノズル弁24a,24bを閉じた状態で排水弁26を開くことで、ミスト用給水管路20内の水をミスト用排水管路21を通して排水できるようになっている。なお、バキュームブレーカー27はミスト用排水管路21内の汚れた水がミスト用給水管路20側に逆流するのを防止する働きをする。   A mist drain line 21 is branched from between the mist heat exchanger 11 and the nozzle valves 24a, 24b in the mist feed line 20. The mist drain line 21 is connected to an external drain pipe via a drain valve 26 such as an electromagnetic valve and a vacuum breaker 27, and the nozzle valves 24a and 24b are closed when the mist operation starts. By opening the drain valve 26, the water in the mist water supply pipe 20 can be drained through the mist drain pipe 21. The vacuum breaker 27 functions to prevent the dirty water in the mist drain line 21 from flowing back to the mist water supply line 20 side.

さらに上記ミスト噴霧装置3は、ミスト運転開始時にノズル弁24a,24bを閉じ且つ給水弁22及び排水弁26を開いてミスト用給水管路20内の残水をミスト用排水管路21から水抜きした後、排水弁26を閉じ且つノズル弁24a(又は24b)を開いてミスト用給水管路20への水の供給を再開する自動排水モードを有している。本例の制御部4は、図6に示すように、浴室温度センサー9、温水温度センサー17、ミスト温度センサー18からの各検知信号を受信すると共に、リモコン操作部15から指令されるリモコン信号に基づいて各々に対応する運転を実行するマイクロコンピュータにより構成されている。   Further, the mist spraying device 3 closes the nozzle valves 24a and 24b and opens the water supply valve 22 and the drain valve 26 at the start of the mist operation to drain the remaining water in the mist water supply pipe 20 from the mist drain pipe 21. After that, the automatic drainage mode in which the drain valve 26 is closed and the nozzle valve 24a (or 24b) is opened to resume the supply of water to the mist water supply pipe 20 is provided. As shown in FIG. 6, the control unit 4 in this example receives each detection signal from the bathroom temperature sensor 9, the hot water temperature sensor 17, and the mist temperature sensor 18, and outputs a remote control signal commanded from the remote control operation unit 15. It is comprised by the microcomputer which performs the driving | operation corresponding to each based on.

次に、排水動作を説明する。ミスト運転指令のスイッチ操作が行なわれると、制御部4は直ちに自動排水モードを実行する。先ず、図2(a)のようにノズル弁24a,24bを閉じ且つ給水弁22及び排水弁26を開いて、ミスト用給水管路20に水を供給する。このときの水圧によってミスト用給水管路20内の汚れた水や残水は、ミスト用排水管路21を通って外部に排水されることになる。このとき、ノズル弁24a,24bは閉止状態にあるため、汚れた水や残水がミストノズル10から噴霧されることはない。この水抜きを所定時間(例えば、1分間)行なった後に、図2(b)のように、排水弁26を閉じ、ミスト用の熱動弁8aを開いて温水によって温風用熱交換器7を加熱する。ミスト用熱交換器11が温まると、一方のノズル弁24a(例えば、マイルドミストサウナ用)を開いてミスト噴霧(例えば、60℃)を開始すると共に、循環ファン5が駆動する。なお、図2中において各弁の開閉状態をわかり易くするため、閉状態にある弁を黒く塗り潰している。また図2(b)では第1ノズル弁24aの方を開いているが、第2ノズル弁24bの方を開けばハードミストサウナに切り換えることができる。   Next, the draining operation will be described. When the mist operation command switch is operated, the control unit 4 immediately executes the automatic drainage mode. First, as shown in FIG. 2A, the nozzle valves 24a and 24b are closed and the water supply valve 22 and the drain valve 26 are opened to supply water to the water supply pipe 20 for mist. Dirty water and residual water in the mist water supply pipe 20 are drained to the outside through the mist drain pipe 21 by the water pressure at this time. At this time, since the nozzle valves 24 a and 24 b are in a closed state, dirty water and residual water are not sprayed from the mist nozzle 10. After performing this drainage for a predetermined time (for example, 1 minute), as shown in FIG. 2B, the drain valve 26 is closed, the mist heat valve 8a is opened, and the hot air heat exchanger 7 is heated with hot water. Heat. When the heat exchanger 11 for mist warms, one nozzle valve 24a (for example, for mild mist sauna) is opened to start mist spraying (for example, 60 ° C.), and the circulation fan 5 is driven. In FIG. 2, the valve in the closed state is blacked out so that the open / closed state of each valve can be easily understood. In FIG. 2 (b), the first nozzle valve 24a is opened. However, if the second nozzle valve 24b is opened, it can be switched to a hard mist sauna.

上記構成によれば、ミスト噴霧装置3を長期間使用せずに、ミストノズル10に水を供給するミスト用給水管路20内に水が汚れて滞留している場合であっても、ノズル弁24a,24bを閉じた状態で排水弁26を開いてミスト用給水管路20内の水をミスト用排水管路21から排出することにより、ミスト用給水管路20内の汚れた水や残水を浴室13外部に水抜きでき、レジオネラ菌などの雑菌対策も万全となる。その後、排水弁26を閉じてノズル弁24a,24bを開くことによって、上水がミスト用給水管路20に供給されるので、ミストノズル10から浴室13内に清浄な温水を噴出できるようになり、衛生的なミストサウナ浴を快適に楽しむことができる。   According to the above configuration, the nozzle valve can be used even when the mist spraying device 3 is not used for a long period of time and the water is contaminated and stays in the water supply pipe 20 for supplying water to the mist nozzle 10. When the drain valve 26 is opened with the 24a and 24b closed to discharge the water in the mist feed pipe 20 from the mist drain pipe 21, dirty water and residual water in the mist feed pipe 20 are discharged. Can be drained to the outside of the bathroom 13, and measures against various germs such as Legionella bacteria can be taken. Thereafter, by closing the drain valve 26 and opening the nozzle valves 24a and 24b, clean water is supplied to the water supply pipe 20 for mist, so that clean hot water can be ejected from the mist nozzle 10 into the bathroom 13. You can enjoy a sanitary mist sauna bath comfortably.

また本例では、ミスト運転開始と同時に自動的に排水動作が行なわれるので、手動操作による煩わしい排水のための別操作を行うこと必要がなく、快適操作を実現できると共に、排水のための別操作を忘れてしまって汚れたミストを浴びて不愉快な思いをすることもなくなる。   In this example, the drainage operation is automatically performed at the same time as the mist operation is started, so there is no need to perform another manual operation for troublesome drainage, and a comfortable operation can be realized and another operation for drainage can be realized. You won't be uncomfortable with a dirty mist.

また、万が一、ミスト用熱交換器11に穴があくことがあっても、自動排水モード時においては、漏れた暖房用温水はミスト用給水管路20からミスト用排水管路21から排水されるため、ミストノズル10から出ることがない。また、排水後の通水状態では、暖房用温水の漏れ出す水圧よりも、ミスト用給水管路20に供給される水圧の方が高いため、暖房用温水がミストノズル10から出ることがない。従って、ミストサウナ浴の安全性を高めることができる。   In the unlikely event that the mist heat exchanger 11 has a hole, in the automatic drain mode, the leaked warm water for heating is drained from the mist water supply line 20 through the mist drain line 21. Therefore, the mist nozzle 10 does not come out. Moreover, in the water flow state after drainage, since the water pressure supplied to the mist water supply pipe 20 is higher than the water pressure at which the warm water for heating leaks, the warm water for heating does not exit from the mist nozzle 10. Therefore, the safety of the mist sauna bath can be enhanced.

さらに本例では、ノズル弁24a,24bを対応するミストノズル10に各々近接して配置しているので、ノズル弁24a,24bとミストノズル10との間のパイプ部分28の距離が短くなる。従って、ミスト運転を停止してノズル弁24a,24bを閉じた後に、パイプ部分に溜まる水の量を極力減らすことができ、これにより、運転停止時においてミストノズル10から自然に抜けていく水(垂れ水)の量を減らすことができる。そのうえ、運転停止後において、ミストノズル10からパイプ部分28に空気が侵入する、いわゆる、空気置換がおこるが、本例ではパイプ部分28の距離が短くなっているため、空気置換の容積を極力減らすことができ、これにより、空気置換による水の汚染を極力防止できる利点もある。   Further, in this example, since the nozzle valves 24a and 24b are arranged close to the corresponding mist nozzles 10, the distance of the pipe portion 28 between the nozzle valves 24a and 24b and the mist nozzle 10 is shortened. Accordingly, after the mist operation is stopped and the nozzle valves 24a and 24b are closed, the amount of water accumulated in the pipe portion can be reduced as much as possible, so that the water that naturally escapes from the mist nozzle 10 when the operation is stopped ( The amount of dripping water) can be reduced. In addition, after the operation is stopped, air enters the pipe portion 28 from the mist nozzle 10, so-called air replacement occurs. In this example, since the distance of the pipe portion 28 is shortened, the volume of air replacement is reduced as much as possible. This also has the advantage of preventing water contamination due to air replacement as much as possible.

なお前記実施形態では、ミスト用給水管路20内の水抜きを自動排水モードで行なう場合を説明したが、必ずしも自動で行なう場合に限らず、例えば、手動操作でノズル弁24a,24b、給水弁22及び排水弁26を開閉操作を行なう場合も含まれる。   In the above-described embodiment, the case where water is drained from the mist water supply pipe 20 in the automatic drain mode has been described. However, the present invention is not limited to the automatic drain mode. For example, the nozzle valves 24a and 24b, The case where the opening / closing operation of 22 and the drain valve 26 is performed is also included.

図8は、図1の変形例であり、ノズル弁24a,24bとミストノズル10との間のパイプ部分28に、一定の水圧がかかったときに開放されるチャッキ弁29を配置した場合の一例を示している。チャッキ弁29は、図9に示すように、非使用時は閉じており、空気置換防止弁として機能する。図8中の30はC形止め輪である。本例では、チャッキ弁29によってミストノズル10からの空気の侵入を防止できるため、チャッキ弁29とノズル弁24a,24bとの間のパイプ部分28に溜まった水が空気置換によって汚染されることがなくなり、汚染された水を噴出することのない衛生上の効果が得られる。また、チャッキ弁29を暖房乾燥機本体2に内蔵される弁ボックス56a(図4)に収納し、ノズル弁24a,24bをチャッキ弁29から距離をあけてミストボックス56内のミスト用熱交換器11側近くに配置しているので、電磁弁からなるノズル弁24a,24bの配線などの組み立て性が良好になる効果も同時に得られる。   FIG. 8 is a modification of FIG. 1 and shows an example in which a check valve 29 that is opened when a certain water pressure is applied is arranged in the pipe portion 28 between the nozzle valves 24a, 24b and the mist nozzle 10. Is shown. As shown in FIG. 9, the check valve 29 is closed when not in use, and functions as an air replacement prevention valve. Reference numeral 30 in FIG. 8 denotes a C-shaped retaining ring. In this example, since the check valve 29 can prevent air from entering from the mist nozzle 10, water accumulated in the pipe portion 28 between the check valve 29 and the nozzle valves 24a and 24b may be contaminated by air replacement. The sanitary effect is obtained without spouting contaminated water. Further, the check valve 29 is accommodated in a valve box 56a (FIG. 4) built in the main body 2 of the heating dryer, and the nozzle valves 24a and 24b are spaced apart from the check valve 29 to be a heat exchanger for mist in the mist box 56. Since it is arranged near the 11 side, the effect of improving the assemblability of the nozzle valves 24a and 24b made of electromagnetic valves can be obtained at the same time.

本発明の一実施形態のミストサウナ機能付き浴室暖房乾燥機の配管構造の説明図であるIt is explanatory drawing of the piping structure of the bathroom heating dryer with a mist sauna function of one Embodiment of this invention. (a)(b)は同上の自動排水モードの説明図である。(A) (b) is explanatory drawing of an automatic draining mode same as the above. 同上の浴室の天井部にミストサウナ機能付き浴室暖房乾燥機を設置した場合の斜視図である。It is a perspective view at the time of installing the bathroom heating dryer with a mist sauna function in the ceiling part of a bathroom same as the above. 同上のミストサウナ機能付き浴室暖房乾燥機の断面図である。It is sectional drawing of the bathroom heating dryer with a mist sauna function same as the above. 同上のミストサウナ機能付き浴室暖房乾燥機を下方から見た斜視図である。It is the perspective view which looked at the bathroom heating dryer with a mist sauna function same as the above from the lower part. 同上の制御部に関連するブロック図である。It is a block diagram relevant to the control part same as the above. 同上のミスト用熱交換器の伝熱プレートの説明図である。It is explanatory drawing of the heat-transfer plate of the heat exchanger for mist same as the above. 本発明の他の実施形態の説明図である。It is explanatory drawing of other embodiment of this invention. 同上のチャッキ弁の構成図である。It is a block diagram of a check valve same as the above.

符号の説明Explanation of symbols

1 ミストサウナ機能付き浴室暖房乾燥機
2 暖房乾燥機本体
3 ミスト噴霧装置
10 ミストノズル
11 ミスト用熱交換器
13 浴室
20 ミスト用給水管路
21 ミスト用排水管路
22 給水弁
24a,24b ノズル弁
26 排水弁
DESCRIPTION OF SYMBOLS 1 Bathroom heating dryer with mist sauna function 2 Heating dryer main body 3 Mist spraying apparatus 10 Mist nozzle 11 Heat exchanger for mist 13 Bathroom 20 Mist water supply line 21 Mist drainage line 22 Water supply valve 24a, 24b Nozzle valve 26 Drain valve

Claims (4)

浴室内に温風を供給する暖房乾燥機本体と、温水をミスト状に噴霧するミスト噴霧装置とを備え、上記ミスト噴霧装置は、ミストサウナ用の温水を噴霧するするミストノズルと、ミストノズルに水を供給するミスト用給水管路と、ミスト用給水管路に配置されて水の供給を制御する給水弁と、ミストノズルに供給される水を加熱するミスト用熱交換器と、ミスト用熱交換器とミストノズルとの間に配置されてミストノズルへの水の供給を制御するノズル弁とを備えると共に、ミスト用給水管路のノズル弁よりも上流側から、ミスト運転開始時にミスト用給水管路内の水を抜くためのミスト用排水管路を分岐させ、このミスト用排水管路を排水弁により開閉することを特徴とするミストサウナ機能付き浴室暖房乾燥機。   A heating dryer body for supplying warm air into the bathroom and a mist spraying device for spraying hot water in a mist form. The mist spraying device includes a mist nozzle for spraying hot water for a mist sauna, and a mist nozzle. Mist water supply line for supplying water, a water supply valve arranged in the mist water supply line for controlling the water supply, a mist heat exchanger for heating water supplied to the mist nozzle, and heat for mist A mist supply water is provided between the exchanger and the mist nozzle and controls the supply of water to the mist nozzle, and at the start of the mist operation from the upstream side of the nozzle valve of the mist supply pipe. A bathroom heating dryer with a mist sauna function, wherein a mist drain pipe for draining water in a pipe is branched and the mist drain pipe is opened and closed by a drain valve. 上記ミスト運転開始時にノズル弁を閉じ且つ給水弁及び排水弁を開いてミスト用給水管路内の残水をミスト用排水管路から水抜きした後、排水弁を閉じ且つノズル弁を開いてミスト用給水管路への水の供給を再開する自動排水モードを有することを特徴とする請求項1記載のミストサウナ機能付き浴室暖房乾燥機。   At the start of the mist operation, the nozzle valve is closed and the water supply valve and drain valve are opened to drain residual water in the mist water supply pipe from the mist drain pipe, and then the drain valve is closed and the nozzle valve is opened to open the mist. The bathroom heating dryer with a mist sauna function according to claim 1, further comprising an automatic drainage mode for resuming the supply of water to the water supply pipeline. 上記ノズル弁をミストノズルに近接して配置したことを特徴とする請求項1又は2記載のミストサウナ機能付き浴室暖房乾燥機。   The bathroom heater / dryer with a mist sauna function according to claim 1 or 2, wherein the nozzle valve is disposed close to the mist nozzle. 上記ノズル弁とミストノズルとの間に、空気置換防止用のチャッキ弁を介在させると共に、ノズル弁をチャッキ弁から離してミスト用熱交換器側に近接して配置してなることを特徴とする請求項1乃至請求項3のいずれかに記載のミストサウナ機能付き浴室暖房乾燥機。   A check valve for preventing air replacement is interposed between the nozzle valve and the mist nozzle, and the nozzle valve is disposed away from the check valve and close to the mist heat exchanger side. The bathroom heating dryer with a mist sauna function according to any one of claims 1 to 3.
JP2004055099A 2004-02-27 2004-02-27 Bathroom heating dryer with mist sauna function Expired - Fee Related JP4164037B2 (en)

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