JP7272933B2 - bathroom equipment - Google Patents

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JP7272933B2
JP7272933B2 JP2019201755A JP2019201755A JP7272933B2 JP 7272933 B2 JP7272933 B2 JP 7272933B2 JP 2019201755 A JP2019201755 A JP 2019201755A JP 2019201755 A JP2019201755 A JP 2019201755A JP 7272933 B2 JP7272933 B2 JP 7272933B2
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bathroom
time
temperature
suppression operation
breeding
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JP2021074099A (en
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祐貴 市川
実希夫 伊藤
美千代 盛興
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Rinnai Corp
Toho Gas Co Ltd
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Rinnai Corp
Toho Gas Co Ltd
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Description

本発明は、浴室内で菌類の繁殖を抑制する繁殖抑制運転を実行可能な浴室装置に関する。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathroom apparatus capable of performing a breeding suppression operation for suppressing the breeding of fungi in a bathroom.

従来、この主の浴室装置として、浴室内に臨むミストノズルと、このミストノズルに温水を供給する給湯路と、浴室温度を検知する温度検知手段と、繁殖抑制運転の自動制御を含む浴室装置の運転制御を実行可能な制御手段とを備え、繁殖抑制運転時、ミストノズルから温水ミストを浴室内に噴霧するものが知られている(例えば、特許文献1参照)。 Conventionally, the main bathroom equipment includes a mist nozzle that faces the inside of the bathroom, a hot water supply channel that supplies hot water to the mist nozzle, a temperature detection means that detects the temperature of the bathroom, and automatic control of breeding suppression operation. A known bathroom has a control means capable of executing operation control, and sprays hot water mist from a mist nozzle into the bathroom during breeding suppression operation (see, for example, Patent Document 1).

また、特許文献1記載の浴室装置は、浴室内の湿度を検知する湿度検知手段と、浴室内への流入空気の温度及び湿度を夫々検知する流入空気温度検知手段及び流入空気湿度検知手段とを備える。そして、上記浴室装置は、温度検知手段及び湿度検知手段が検知する浴室内の温湿度が所定の閾値を超え、且つ流入空気温度検知手段及び流入空気湿度検知手段が検知する流入空気の温湿度も所定の閾値を超えたと制御手段が判定したとき、温水ミストをミストノズルから浴室内に噴霧する繁殖抑制運転を所定の時間内で実行する。繁殖抑制運転では、浴室内壁面の温度及び浴室内の温湿度が、夫々、所定の閾値以上となる状態を所定の時間以上持続させる。 Further, the bathroom apparatus described in Patent Document 1 includes humidity detection means for detecting the humidity in the bathroom, and inflow air temperature detection means and inflow air humidity detection means for respectively detecting the temperature and humidity of the air flowing into the bathroom. Prepare. In the bathroom apparatus, the temperature and humidity in the bathroom detected by the temperature detection means and the humidity detection means exceed a predetermined threshold, and the temperature and humidity of the inflow air detected by the inflow air temperature detection means and the inflow air humidity detection means When the control means determines that the predetermined threshold has been exceeded, a breeding suppression operation is performed within a predetermined period of time by spraying hot water mist from the mist nozzle into the bathroom. In the breeding suppression operation, the temperature of the inner wall surface of the bathroom and the temperature and humidity in the bathroom are maintained at or above predetermined threshold values for a predetermined time or longer.

特開2013-34898号公報JP 2013-34898 A

然し、特許文献1記載の浴室装置では、繁殖抑制運転の完了を自動制御するために制御手段に設定すべき条件が、運転時間以外に浴室内壁面の温度及び浴室内の温湿度もあり、設定条件が比較的多いという問題がある。また、実際にはより短時間で繁殖抑制効果が十分得られるのにも関わらず、所定の時間が経過するまで繁殖抑制運転を継続させるため、エネルギーを浪費するという問題もある。 However, in the bathroom apparatus described in Patent Document 1, the conditions to be set in the control means for automatically controlling the completion of the breeding suppression operation include the temperature of the wall surface inside the bathroom and the temperature and humidity in the bathroom in addition to the operating time. There is a problem that there are relatively many conditions. In addition, there is also the problem of wasting energy because the breeding suppression operation is continued until the predetermined time has elapsed, although the breeding suppression effect can be sufficiently obtained in a shorter period of time.

本発明は、以上の事情に鑑みてなされたものであり、容易な条件設定で最適な繁殖抑制運転を実行でき、且つエネルギーの浪費を抑制できる浴室装置を提供することをその課題としている。 SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a bathroom apparatus capable of executing optimal breeding suppression operation with easy condition setting and suppressing waste of energy.

上記課題を解決するために、本発明は、浴室内で菌類の繁殖を抑制する繁殖抑制運転を実行可能な浴室装置であって、浴室内に臨むミストノズルと、このミストノズルに温水を供給する給湯路と、浴室温度を検知する温度検知手段と、繁殖抑制運転の自動制御を含む浴室装置の運転制御を実行可能な制御手段とを備え、繁殖抑制運転時、ミストノズルから温水ミストを浴室内に噴霧するものにおいて、浴室温度に対応する、予め設定された繁殖抑制運転の時間係数を記憶する記憶手段を備え、繁殖抑制運転時、制御手段は、温度検知手段が所定の単位時間間隔で検知する各浴室温度に対応する時間係数を記憶手段から検索して、単位時間に検索した時間係数を乗じて求めたみなし運転時間を積算し、積算したみなし運転時間が所定の繁殖抑制運転完了閾値に到達した時、繁殖抑制運転を完了させることを特徴とする。 In order to solve the above-mentioned problems, the present invention provides a bathroom apparatus capable of executing a growth suppression operation to suppress the growth of fungi in a bathroom, comprising a mist nozzle facing the inside of the bathroom and hot water supplied to the mist nozzle. Equipped with a hot water supply path, a temperature detection means for detecting the temperature of the bathroom, and a control means capable of executing operation control of the bathroom device including automatic control of the breeding suppression operation, hot water mist is emitted from the mist nozzle into the bathroom during the breeding suppression operation. In the apparatus for spraying on the bathroom, a memory means for storing a preset time coefficient for breeding suppression operation corresponding to the temperature of the bathroom is provided, and during the breeding suppression operation, the control means causes the temperature detection means to detect at predetermined unit time intervals. The storage means is searched for the time coefficient corresponding to each bathroom temperature, the unit time is multiplied by the retrieved time coefficient, and the deemed operation time obtained is integrated, and the integrated deemed operation time reaches the predetermined breeding suppression operation completion threshold. It is characterized by completing the breeding suppression operation when it reaches.

本発明者らは、繁殖抑制運転時間は浴室温度が高いほど短くなるのに加え、各浴室温度での繁殖抑制運転には、所定の浴室温度での繁殖抑制運転に対する時間効率に固有値があるとの知見を得た。そして、上記知見に基づいて繁殖抑制運転を実行することによって、浴室内での菌類の繁殖を容易な条件設定で適切に抑制できることを確認した。 The present inventors found that the higher the bath temperature, the shorter the breeding suppression operation time, and that the breeding suppression operation at each bathroom temperature has an inherent value in the time efficiency with respect to the breeding suppression operation at a predetermined bathroom temperature. I got the knowledge of Then, it was confirmed that the propagation of fungi in the bathroom can be appropriately suppressed with easy condition setting by executing the propagation suppression operation based on the above findings.

本発明によれば、繁殖抑制運転の自動制御のために制御手段に設定すべき条件は、基本的に繁殖抑制運転完了閾値だけで済み、また、みなし運転時間を求めるのに用いる時間係数は、各浴室温度での繁殖抑制運転に固有の時間効率であるため、条件設定を容易としながらも、最適な繁殖抑制運転が実現される。また、菌類の繁殖を抑制する時間だけ繁殖抑制運転を実行するため、エネルギーの浪費を抑制できる。 According to the present invention, the condition to be set in the control means for automatic control of the breeding suppression operation is basically only the breeding suppression operation completion threshold value, and the time coefficient used to obtain the assumed operation time is Because of the time efficiency inherent in breeding control operation at each bathroom temperature, optimal breeding control operation can be achieved while facilitating condition setting. In addition, since the breeding suppression operation is performed only during the time during which the breeding of fungi is suppressed, waste of energy can be suppressed.

また、本発明において、繁殖抑制運転時、前記温度検知手段が検知する浴室温度が所定の温度閾値に到達した時、前記制御手段は、前記記憶手段が記憶する時間係数の検索及びみなし運転時間の積算を開始することが望ましい。繁殖抑制運転は、浴室温度がある程度上昇していないと効果が出にくい。従って、繁殖抑制運転時、温度検知手段が検知する浴室温度に所定の温度閾値を設定し、この温度閾値に到達した時、制御手段が時間係数の検索及びみなし運転時間の積算を開始することで、浴室内の菌類の繁殖抑制効果を確実に得ることができる。 Further, in the present invention, when the bathroom temperature detected by the temperature detecting means reaches a predetermined temperature threshold during breeding suppression operation, the control means retrieves the time coefficient stored in the storage means and determines the deemed operating time. It is desirable to start integration. Breeding suppression operation is not effective unless the bathroom temperature rises to some extent. Therefore, during breeding suppression operation, a predetermined temperature threshold is set for the bathroom temperature detected by the temperature detection means, and when this temperature threshold is reached, the control means starts searching for the time coefficient and accumulating the assumed operation time. , the effect of suppressing the growth of fungi in the bathroom can be reliably obtained.

また、本発明において、上記浴室装置であって、浴室内の空気を加熱する熱源と、浴室内の空気を吸い込み、吸い込んだ空気を浴室内に吹き出して浴室内の空気を循環させる送風手段と、浴室内の空気を浴室外に排気して換気する換気手段とを更に備え、繁殖抑制運転完了後、換気手段で浴室内を換気しながら、送風手段が、浴室内の空気を吸い込み、熱源で加熱した空気を浴室内に吹き出して、浴室内を温風乾燥する乾燥運転を所定時間実行するものにおいて、繁殖抑制運転及び乾燥運転の両運転時間を計測するタイマを備え、前記制御手段は、繁殖抑制運転時間と乾燥運転時間との間の正の相関関係に基づいて、繁殖抑制運転時間に対応する乾燥運転の所定時間を決定することが望ましい。浴室内での菌類の繁殖抑制効果は、浴室湿度を上げることで高くなる。ここで、例えば、浴室が広かったり、冬場であったりする等の場合、浴室温度が上がりにくいため、浴室湿度を上げるのに要する繁殖抑制運転時間は長くなる。これに伴い、浴室の内壁面、天井面等に付着する水滴量が多くなることから、高い浴室湿度と相俟って、繁殖抑制運転完了後に行う乾燥運転時間を長くする必要がある。即ち、繁殖抑制運転時間及び乾燥運転時間との間には正の相関関係がある。従って、その相関関係から繁殖抑制運転時間の長短に応じた適切な乾燥運転の所定時間を得ることができ、浴室内の乾燥不足や、乾燥運転を必要以上に行うことによるエネルギーの浪費を防止できる。 Further, in the bathroom apparatus according to the present invention, a heat source for heating the air in the bathroom, an air blowing means for sucking in the air in the bathroom and blowing out the sucked air into the bathroom to circulate the air in the bathroom, A ventilation means for ventilating the air in the bathroom by exhausting it to the outside of the bathroom, and after the breeding suppression operation is completed, the air blowing means sucks the air in the bathroom and heats it with the heat source while ventilating the inside of the bathroom with the ventilation means. a drying operation for drying the inside of the bathroom with warm air by blowing out the heated air into the bathroom for a predetermined period of time, comprising a timer for measuring the operation time of both the breeding suppression operation and the drying operation; It is desirable to determine the predetermined time of the drying run corresponding to the anti-growth run time based on the positive correlation between the run time and the dry run time. The effect of suppressing the growth of fungi in the bathroom is enhanced by increasing the humidity in the bathroom. Here, for example, when the bathroom is large or it is winter, the temperature of the bathroom is difficult to rise, so the breeding suppression operation time required to raise the bathroom humidity becomes longer. Along with this, the amount of water droplets adhering to the inner wall surface, the ceiling surface, etc. of the bathroom increases, and together with the high humidity of the bathroom, it is necessary to lengthen the drying operation time after completion of the breeding suppression operation. That is, there is a positive correlation between the propagation suppression operating time and the drying operating time. Therefore, it is possible to obtain an appropriate predetermined drying operation time according to the length of the breeding suppression operation time from the correlation, and it is possible to prevent insufficient drying in the bathroom and waste of energy due to excessive drying operation. .

本発明の浴室装置の一実施形態を示す要部断面図。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of essential parts showing an embodiment of a bathroom apparatus of the present invention; 図1に示す浴室装置の繁殖抑制運転及び乾燥運転の自動制御の一形態を示すフローチャート。4 is a flow chart showing one form of automatic control of breeding suppression operation and drying operation of the bathroom apparatus shown in FIG. 1 ;

図1を参照して、浴室装置1は、浴室BRの天井部に設置されている。浴室装置1の下面カバー2には、吸込み口3と、可変ルーバ4a付きの吹出し口4とが開設されている。浴室装置1内には、吸込み口3から吹出し口4に至る通風路5が設けられている。通風路5には、浴室BR内の空気を吸込み口3から吸い込み、吸い込んだ空気を浴室BR内に吹出し口4から吹き出して浴室BR内の空気を循環させる、ファン等の送風手段6と、通風路5を流れる空気を加熱又は冷却する熱源としての放熱器7とが配置されている。 Referring to FIG. 1, bathroom device 1 is installed on the ceiling of bathroom BR. A lower surface cover 2 of the bathroom apparatus 1 is provided with an inlet 3 and an outlet 4 with a variable louver 4a. A ventilation passage 5 extending from the suction port 3 to the blowout port 4 is provided in the bathroom device 1. - 特許庁The ventilation path 5 includes a blowing means 6 such as a fan for sucking air in the bathroom BR from an inlet 3 and blowing the sucked air out from an outlet 4 into the bathroom BR to circulate the air in the bathroom BR. A radiator 7 is arranged as a heat source for heating or cooling the air flowing through the path 5 .

放熱器7には、別置きの熱源機8に連なる第1熱媒循環路9が接続されている。第1熱媒循環路9は、熱源機8で加熱又は冷却された熱媒体を放熱器7に供給する往路9aと、放熱器7を通過した熱媒体を回収して熱源機8に戻す復路9bとで構成されている。往路9aには、熱媒体の循環開始及び停止と、流量調節とを実行可能な開閉弁から成る第1熱媒弁10が介設され、熱源機8で加熱又は冷却された熱媒体は、第1熱媒弁10の開弁で放熱器7を介して第1熱媒循環路9を循環する。そして、送風手段6の作動により吸込み口3から吸い込まれた浴室BR内の空気が放熱器7で加熱又は冷却され、吹出し口4を通じて浴室BR内に吹き出し、浴室装置1の冷暖房運転が実行される。 The heat radiator 7 is connected to a first heat medium circulation path 9 connected to a separate heat source device 8 . The first heat medium circulation path 9 includes an outward path 9a that supplies the heat medium heated or cooled by the heat source device 8 to the radiator 7, and a return path 9b that recovers the heat medium that has passed through the radiator 7 and returns it to the heat source device 8. It consists of A first heat medium valve 10 consisting of an on-off valve capable of starting and stopping the circulation of the heat medium and adjusting the flow rate of the heat medium is interposed in the forward passage 9a. When the first heat medium valve 10 is opened, the heat medium circulates through the first heat medium circuit 9 via the radiator 7 . Then, the air in the bathroom BR sucked from the suction port 3 by the operation of the air blowing means 6 is heated or cooled by the radiator 7 and blown out into the bathroom BR through the blowout port 4, and the cooling/heating operation of the bathroom device 1 is executed. .

また、浴室装置1には、吸込み口3に臨ませて温度検知手段11が設けられると共に、第1熱媒循環路9の往路9aに熱媒温度検知手段12が設けられている。温度検知手段11及び熱媒温度検知手段12にはサーミスタ等が採用される。また、通風路5の吸込み口3側の部分から分岐して屋外にのびる換気通路13が設けられている。換気通路13にファン等の換気手段14が設けられ、換気手段14の作動により浴室BR内の空気を浴室BR外に排気する際、他室からガラリ等を通じて浴室BR外の室内空気が浴室BR内に導入され、浴室装置1の換気運転が実行される。換気通路13の換気手段14よりも下流側の部分には、逆流防止のための換気用ダンパ15が設けられている。尚、換気運転時に暖房運転を併せて実行すると、浴室BR内を温風乾燥する乾燥運転を実行できる。 Further, the bathroom apparatus 1 is provided with a temperature detection means 11 facing the suction port 3, and a heat medium temperature detection means 12 is provided on the forward path 9a of the first heat medium circulation path 9. As shown in FIG. A thermistor or the like is employed for the temperature detection means 11 and the heat medium temperature detection means 12 . Further, a ventilation passage 13 is provided that branches off from a portion of the ventilation passage 5 on the side of the suction port 3 and extends to the outside. A ventilation means 14 such as a fan is provided in the ventilation passage 13, and when the air in the bathroom BR is exhausted outside the bathroom BR by the operation of the ventilation means 14, the indoor air outside the bathroom BR is blown into the bathroom BR from other rooms through the louvers and the like. , and the ventilation operation of the bathroom apparatus 1 is executed. A ventilation damper 15 for preventing backflow is provided in a portion of the ventilation passage 13 downstream of the ventilation means 14 . If the heating operation is executed together with the ventilation operation, the drying operation for drying the inside of the bathroom BR with warm air can be executed.

更に、浴室装置1は、下面カバー2に設けられ、浴室BR内に臨むミストノズル16と、ミストノズル16に温水を供給する給湯路17と、液々熱交換器18とを備えている。液々熱交換器18の二次側18bは給湯路17に介設され、液々熱交換器18の一次側18aは、第1熱媒循環路9の復路9bから分岐させた第2熱媒循環路19に介設されている。第2熱媒循環路19は、第1熱媒循環路9の往路9aから分岐され、熱源機8により加熱された熱媒体を液々熱交換器18の一次側18aに供給する往路19aと、第1熱媒循環路9の復路9bに接続されて液々熱交換器18の一次側18aから熱媒体を回収して熱源機8に戻す復路19bとから構成されている。復路19bには、熱媒体の循環開始及び停止と、流量調節とを実行可能な開閉弁から成る第2熱媒弁20が介設されている。 Further, the bathroom apparatus 1 is provided on the lower surface cover 2 and includes a mist nozzle 16 facing the inside of the bathroom BR, a hot water supply path 17 for supplying hot water to the mist nozzle 16, and a liquid-liquid heat exchanger 18. - 特許庁The secondary side 18b of the liquid-liquid heat exchanger 18 is interposed in the hot water supply path 17, and the primary side 18a of the liquid-liquid heat exchanger 18 is the second heat medium branched from the return path 9b of the first heat medium circulation path 9. It is interposed in the circulation path 19 . The second heat medium circulation path 19 is branched from the outward path 9a of the first heat medium circulation path 9, and supplies the heat medium heated by the heat source device 8 to the primary side 18a of the liquid-liquid heat exchanger 18; A return path 19 b is connected to the return path 9 b of the first heat medium circulation path 9 to recover the heat medium from the primary side 18 a of the liquid-liquid heat exchanger 18 and return it to the heat source device 8 . The return path 19b is provided with a second heat medium valve 20, which is an on-off valve capable of starting and stopping circulation of the heat medium and adjusting the flow rate.

給湯路17は、液々熱交換器18の二次側18bに水を供給し、一次側18aに供給される加熱された熱媒体との熱交換により温水をミストノズル16に供給する。また、給湯路17には、液々熱交換器18の二次側18bの上流側に位置させて、開閉弁から成る給水弁21が介設されると共に、液々熱交換器18の二次側18bの下流側に位置させて、開閉弁から成るミスト弁22が介設されている。更に、液々熱交換器18とミスト弁22との間の給湯路17の部分に、サーミスタ等の湯温検知手段23が設けられている。 The hot water supply path 17 supplies water to the secondary side 18b of the liquid-liquid heat exchanger 18, and supplies hot water to the mist nozzle 16 by heat exchange with the heated heat medium supplied to the primary side 18a. In addition, a water supply valve 21 consisting of an on-off valve is interposed in the hot water supply path 17 so as to be positioned upstream of the secondary side 18 b of the liquid-liquid heat exchanger 18 . A mist valve 22 consisting of an on-off valve is interposed downstream of the side 18b. Further, a hot water temperature detection means 23 such as a thermistor is provided in the portion of the hot water supply path 17 between the liquid heat exchanger 18 and the mist valve 22 .

更にまた、浴室装置1は、浴室BR内で菌類の繁殖を抑制する繁殖抑制運転の自動制御を含む浴室装置1の運転制御(即ち、繁殖抑制運転、冷暖房運転、ミストサウナ運転、換気運転及び乾燥運転の自動制御)を実行可能な制御手段Cを備えている。制御手段Cは、送風手段6、換気手段14、第1熱媒弁10、第2熱媒弁20、給水弁21及びミスト弁22の動作を制御する。この制御のために、制御手段Cには、温度検知手段11、熱媒温度検知手段12及び湯温検知手段23の検知信号が所定の単位時間間隔で入力される。制御手段Cは、例えば、CPU,ROM,RAM,A/Dコンバータ、インターフェース等を備えるマイクロコンピュータから構成され、上記各運転の自動制御に対応するプログラムが予めインストールされている。また、制御手段Cには、図外のリモコンが接続され、このリモコンには浴室装置1の上記各運転に対応するスイッチが設けられている。このスイッチの一つとして繁殖抑制運転の実行及び停止を制御手段Cに入力する繁殖抑制運転実行スイッチがある。この繁殖抑制運転実行スイッチがユーザによりONにされると、制御手段Cは繁殖抑制運転を開始させる。具体的には、暖房運転を実行すると共に、第2熱媒弁20、給水弁21及びミスト弁22を開弁させ、液々熱交換器18の二次側18bからミストノズル16に向かって流れる温水の温度を制御手段Cに予め設定された温度になるように制御して、ミストノズル16から温水ミストを浴室BR内に噴霧させる。 Furthermore, the bathroom apparatus 1 controls the operation of the bathroom apparatus 1 including automatic control of the breeding suppression operation that suppresses the breeding of fungi in the bathroom BR (that is, the breeding suppression operation, the cooling/heating operation, the mist sauna operation, the ventilation operation, and the drying operation. (Automatic control of operation) is provided. The control means C controls the operations of the blower means 6 , the ventilation means 14 , the first heat medium valve 10 , the second heat medium valve 20 , the water supply valve 21 and the mist valve 22 . For this control, detection signals from the temperature detection means 11, the heating medium temperature detection means 12, and the hot water temperature detection means 23 are input to the control means C at predetermined unit time intervals. The control means C is composed of, for example, a microcomputer having a CPU, ROM, RAM, A/D converter, interface, etc., and is pre-installed with a program corresponding to the automatic control of each operation described above. A remote controller (not shown) is connected to the control means C, and the remote controller is provided with switches corresponding to the above operations of the bathroom apparatus 1 . As one of these switches, there is a breeding suppression operation execution switch for inputting to the control means C the execution and stop of the breeding suppression operation. When the breeding suppression operation execution switch is turned on by the user, the control means C starts the breeding suppression operation. Specifically, while executing the heating operation, the second heat medium valve 20, the water supply valve 21, and the mist valve 22 are opened, and the heat flows from the secondary side 18b of the liquid-liquid heat exchanger 18 toward the mist nozzle 16. The temperature of the hot water is controlled so as to be the temperature preset by the control means C, and hot water mist is sprayed from the mist nozzle 16 into the bathroom BR.

そして、浴室装置1は、浴室温度に対応する、予め設定された繁殖抑制運転の時間係数を記憶する、図外の記憶手段を備えている。ここで、時間係数とは、実験により求められた浴室温度に固有の数値である。実験によれば、外気温が5℃~25℃のときの1.25坪の浴室BR内で菌類の繁殖を抑制するために行う繁殖抑制運転の運転時間は、浴室BRの内壁面温度が45℃で90分、46℃で60分、47℃で53分である。つまり、浴室BRの内壁面温度が46℃,47℃のときの繁殖抑制運転時間は、45℃比で夫々、60/90,53/90に短縮され、45℃での繁殖抑制運転時間に換算すると、単位時間当たりで夫々1.5倍、1.7倍(60/90,53/90の逆数)になる。即ち、繁殖抑制運転では、浴室BRの内壁面温度が46℃,47℃の場合、45℃の場合に対して夫々1.5倍、1.7倍の時間効率を有している。そこで、これらの1.5,1.7を夫々内壁面温度46℃,47℃に固有の時間係数と定める。 The bathroom apparatus 1 is provided with storage means (not shown) for storing a preset time coefficient for breeding suppression operation corresponding to the bathroom temperature. Here, the time factor is a numerical value specific to the bathroom temperature obtained by experiment. According to experiments, the operation time of the breeding suppression operation performed to suppress the breeding of fungi in the bathroom BR of 1.25 tsubo when the outside temperature is 5 ° C to 25 ° C is 45 degrees Celsius when the inner wall temperature of the bathroom BR is 45 degrees Celsius. 90 minutes at 46°C and 53 minutes at 47°C. In other words, the breeding suppression operation time when the inner wall surface temperature of the bathroom BR is 46 ° C. and 47 ° C. is shortened to 60/90 and 53/90 compared to 45 ° C., and converted to the breeding suppression operating time at 45 ° C. Then, it becomes 1.5 times and 1.7 times (reciprocals of 60/90 and 53/90) per unit time, respectively. That is, in the breeding suppression operation, when the inner wall surface temperature of the bathroom BR is 46° C., 47° C., and 45° C., the time efficiency is 1.5 times and 1.7 times, respectively. Therefore, these 1.5 and 1.7 are defined as time coefficients specific to inner wall surface temperatures of 46° C. and 47° C., respectively.

また、実験結果によると、浴室BRの内壁面温度は、温度検知手段11が実際に検知する浴室温度よりも2℃程度低い。本実施形態では、温度検知手段11は、浴室BRの内壁面温度を直接検知しないため、温度検知手段11が実際に検知する浴室温度と浴室BRの内壁面温度との温度差(2℃)を考慮して、温度検知手段11が所定の単位時間間隔で検知する各浴室温度に対応する時間係数を設定する。例えば、以下の表1に示す如く設定することができる。 Further, according to experimental results, the inner wall surface temperature of the bathroom BR is about 2° C. lower than the bathroom temperature actually detected by the temperature detecting means 11 . In this embodiment, the temperature detection means 11 does not directly detect the temperature of the inner wall surface of the bathroom BR. Taking this into consideration, a time coefficient corresponding to each bathroom temperature detected by the temperature detecting means 11 at predetermined unit time intervals is set. For example, it can be set as shown in Table 1 below.

Figure 0007272933000001
Figure 0007272933000001

制御手段Cは、繁殖抑制運転時、温度検知手段11が所定の単位時間間隔で検知する各浴室温度に対応する時間係数を上記記憶手段から検索して、所定の単位時間に検索した時間係数を乗じて求めたみなし運転時間を積算する。積算したみなし運転時間が所定の繁殖抑制運転完了閾値に到達した時、繁殖抑制運転を完了させる。例えば、所定の単位時間間隔を1分間に設定すると共に、温度検知手段11が検知する浴室温度が47℃(内壁面温度45℃に相当)のときの繁殖抑制運転時間である90分を繁殖抑制運転の閾値に設定することができる。この場合、制御手段Cが積算したみなし運転時間が90分間に到達した時、制御装置Cは繁殖抑制運転を完了させる。 During breeding suppression operation, the control means C retrieves the time coefficient corresponding to each bathroom temperature detected by the temperature detection means 11 at predetermined unit time intervals from the storage means, and stores the retrieved time coefficient in the predetermined unit time. The assumed operation time obtained by multiplying is accumulated. When the accumulated deemed operating time reaches a predetermined breeding suppression operation completion threshold, the breeding suppression operation is completed. For example, when the predetermined unit time interval is set to 1 minute and the temperature of the bathroom detected by the temperature detection means 11 is 47°C (corresponding to the inner wall temperature of 45°C), the breeding suppression operation time is set to 90 minutes. Can be set for driving thresholds. In this case, when the deemed operation time accumulated by the control means C reaches 90 minutes, the control device C completes the breeding suppression operation.

上記の如く、浴室運転1では、繁殖抑制運転の自動制御のために制御手段Cに設定すべき条件は、基本的に繁殖抑制運転完了閾値だけで済み、みなし運転時間を求めるのに用いる時間係数は、各浴室温度での繁殖抑制運転に固有の時間効率であるため、条件設定を容易としながらも、最適な繁殖抑制運転が実現される。また、菌類の繁殖を抑制する時間だけ繁殖抑制運転を実行するため、エネルギーの浪費を抑制できる。 As described above, in the bathroom operation 1, the condition to be set in the control means C for automatic control of the breeding suppression operation is basically only the breeding suppression operation completion threshold, and the time coefficient used to obtain the assumed operation time is the time efficiency peculiar to the breeding suppression operation at each bathroom temperature, so that the optimum breeding suppression operation can be realized while facilitating the condition setting. In addition, since the breeding suppression operation is performed only during the time during which the breeding of fungi is suppressed, waste of energy can be suppressed.

ところで、繁殖抑制運転は、浴室温度がある程度上昇していないと効果が出にくい。従って、繁殖抑制運転時、温度検知手段11が検知する浴室温度に所定の温度閾値を設定し、この温度閾値に到達した時、制御手段Cが時間係数の検索及びみなし運転時間の積算を開始するようにすると、浴室BR内の菌類の繁殖抑制効果を確実に得ることができる。そこで、浴室装置1では、制御手段Cに上記所定の温度閾値を設定し、繁殖抑制運転時、温度検知手段11が検知する浴室温度が所定の温度閾値に到達した時、制御手段Cは、上記記憶手段からの時間係数の検索及びみなし運転時間の積算を開始する。上記所定の温度閾値としては、47℃が例示される。 By the way, breeding suppression operation is not effective unless the bathroom temperature rises to some extent. Therefore, during breeding suppression operation, a predetermined temperature threshold is set for the bathroom temperature detected by the temperature detection means 11, and when this temperature threshold is reached, the control means C starts searching for the time coefficient and accumulating the assumed operation time. By doing so, the effect of suppressing the proliferation of fungi in the bathroom BR can be reliably obtained. Therefore, in the bathroom apparatus 1, the predetermined temperature threshold is set in the control means C, and when the bathroom temperature detected by the temperature detection means 11 reaches the predetermined temperature threshold during breeding suppression operation, the control means C Start retrieving the time coefficient from the storage means and accumulating the assumed operation time. An example of the predetermined temperature threshold is 47°C.

また、浴室BR内での菌類の繁殖抑制効果は、浴室湿度を上げることで高くなる。ここで、例えば、浴室BRが広かったり、冬場であったりする等の場合、浴室温度が上がりにくいため、浴室湿度を上げるのに要する繁殖抑制運転時間tは長くなる。これに伴い、浴室BRの内壁面、天井面等に付着する水滴量が多くなることから、高い浴室湿度と相俟って、繁殖抑制運転完了後に行う浴室BRの乾燥運転が制御手段Cに設定されている場合、乾燥運転時間tを長くする必要がある。即ち、繁殖抑制運転時間t及び乾燥運転時間tとの間には正の相関関係がある。具体的には、外気温が5℃~25℃のときの1.25坪の浴室BRで行う繁殖抑制運転及び乾燥運転の夫々の時間t,tは、実験により以下の表2に示す正の相関関係がある。尚、この相関関係は、繁殖抑制運転時間tの最長時間を180分間に設定した場合であり、乾燥状態は、浴室BRの内壁面、天井面、床面等に水滴が無いことを目視で観察することにより行った。 In addition, the effect of suppressing fungal growth in the bathroom BR is enhanced by increasing the bathroom humidity. Here, for example, if the bathroom BR is large or it is winter, the temperature of the bathroom is difficult to rise, so the breeding suppression operation time t1 required to increase the bathroom humidity becomes longer. Along with this, the amount of water droplets adhering to the inner wall surface, ceiling surface, etc. of the bathroom BR increases. If so, it is necessary to lengthen the drying operation time t2 . That is, there is a positive correlation between the breeding suppression operation time t1 and the drying operation time t2 . Specifically, the times t 1 and t 2 of the breeding suppression operation and the drying operation performed in the bathroom BR of 1.25 tsubo when the outside temperature is 5° C. to 25° C. are shown in Table 2 below by experiment. There is a positive correlation. It should be noted that this correlation is for the case where the maximum time of breeding suppression operation time t1 is set to 180 minutes, and the dry state is determined by visually checking that there are no water droplets on the inner wall surface, ceiling surface, floor surface, etc. of the bathroom BR. It was done by observation.

Figure 0007272933000002
Figure 0007272933000002

そこで、浴室装置1は、繁殖抑制運転及び乾燥運転の両運転時間t,tを計測する、図外のタイマを備え、制御手段Cは、繁殖抑制運転時間tと乾燥運転時間tと間の、表2に示す正の相関関係に基づいて、繁殖抑制運転時間tに対応する乾燥運転の所定時間を決定する。乾燥運転の所定時間の決定は、制御手段Cが繁殖抑制運転時間tを一時的に記憶し、上記相関関係から記憶した繁殖抑制運転時間tに対応する乾燥運転時間tを検索することにより行うことができる。上記相関関係は、上記記憶手段とは別の記憶手段を設ける等して、記憶させることができる。 Therefore, the bathroom apparatus 1 is provided with timers (not shown) for measuring the breeding suppression operation time t1 and the drying operation time t1 , and the drying operation time t2 . Based on the positive correlation shown in Table 2 between and, determine the predetermined time of the drying operation corresponding to the breeding suppression operation time t1 . The predetermined drying operation time is determined by the control means C temporarily storing the breeding suppression operation time t1 and searching for the drying operation time t2 corresponding to the stored breeding suppression operation time t1 from the above correlation. It can be done by The correlation can be stored by, for example, providing storage means separate from the storage means.

そして、浴室装置1は、繁殖抑制運転後、決定した所定の乾燥運転時間、乾燥運転を行う。乾燥運転時には、第1熱媒弁10が開弁され、熱媒温度検知手段12が熱媒体の温度を検知し、検知した温度を熱源機8にフィードバックしながら所定温度に加熱した所定量の熱媒体を第1熱媒循環路9を通じて放熱器7と熱源機8との間を循環させる。同時に、送風手段6及び換気手段14を作動させる。浴室BR内の空気が吸込み口3から吸い込まれ、通風路5で放熱器7により加熱され、加熱空気が吹出し口4から浴室BR内に吹き出される。また、換気手段14により通風路5に吸い込まれた空気の一部が浴室BR外に排気されると共に、浴室BR外の室内空気が浴室BR内に導入される。こうして、浴室BR内の温風乾燥が行われる。 After the breeding suppression operation, the bathroom apparatus 1 performs the drying operation for the determined predetermined drying operation time. During the drying operation, the first heat medium valve 10 is opened, the heat medium temperature detecting means 12 detects the temperature of the heat medium, and the detected temperature is fed back to the heat source device 8, thereby heating the heat medium to a predetermined temperature and supplying a predetermined amount of heat. A medium is circulated between the radiator 7 and the heat source device 8 through the first heat medium circulation path 9 . At the same time, the air blowing means 6 and the ventilation means 14 are operated. Air in the bathroom BR is sucked from the suction port 3, heated by the radiator 7 in the air passage 5, and the heated air is blown out from the blowout port 4 into the bathroom BR. Further, part of the air sucked into the ventilation path 5 by the ventilation means 14 is exhausted outside the bathroom BR, and room air outside the bathroom BR is introduced into the bathroom BR. Thus, hot air drying in the bathroom BR is performed.

浴室装置1は、繁殖抑制運転時間t及び乾燥運転時間tとの間の正の相関関係から繁殖抑制運転時間tの長短に応じた適切な乾燥運転の所定時間を得ることができ、浴室BR内の乾燥不足や、乾燥運転を必要以上に行うことによるエネルギーの浪費を防止できる。 The bathroom apparatus 1 can obtain an appropriate predetermined drying operation time according to the length of the breeding suppression operation time t1 from the positive correlation between the breeding suppression operation time t1 and the drying operation time t2 , Waste of energy due to insufficient drying in the bathroom BR and excessive drying operation can be prevented.

次に、図2を参照して、浴室装置1が実行する繁殖抑制運転及び乾燥運転の自動制御について説明する。 Next, with reference to FIG. 2, automatic control of breeding suppression operation and drying operation executed by the bathroom apparatus 1 will be described.

STEP1で、ユーザが上記リモコンの繁殖抑制運転実行スイッチをONにすると、図1に示す第1熱媒弁10が開弁され、熱源機8から第1熱媒循環路9を介して加熱された熱媒が放熱器7に供給される。そして、送風手段6を動作させることで浴室BR内に温風を送風する暖房運転が開始される(STEP2)。また、図1に示す第2熱媒弁20が開弁され、熱源機8から所定温度に加熱された所定量の熱媒体が第1熱媒循環路9及び第2熱媒循環路19を介して液々熱交換器18の一次側18aに供給され、熱媒体が熱源機8との間を循環する。また、給水弁21が開弁され、上水が液々熱交換器18の二次側18bに供給され、熱媒体との間で熱交換されて温水になる。この温水の温度を湯温検知手段23が検知する(STEP3)。温水温度が制御手段Cに設定された所定温度に到達して温水ミストの噴霧準備が整うと、温水ミストを噴霧開始を報知するブザーが鳴動する(STEP4)。このブザーは、例えば、上記リモコン等に付設できる。そして、所定時間(例えば、10秒間等)後、給水弁21が開弁されたままの状態でミスト弁22が開弁されて(STEP5)、繁殖抑制運転が開始される。 In STEP 1, when the user turns on the breeding suppression operation execution switch of the remote controller, the first heat medium valve 10 shown in FIG. A heat medium is supplied to the radiator 7 . Then, by operating the air blowing means 6, the heating operation for blowing warm air into the bathroom BR is started (STEP 2). In addition, the second heat medium valve 20 shown in FIG. The heat medium is supplied to the primary side 18 a of the liquid-liquid heat exchanger 18 and circulates between the heat source equipment 8 . Also, the water supply valve 21 is opened, and clean water is supplied to the secondary side 18b of the liquid-liquid heat exchanger 18, where it is heat-exchanged with the heat medium to become hot water. The hot water temperature detection means 23 detects the temperature of this hot water (STEP 3). When the hot water temperature reaches the predetermined temperature set in the control means C and preparations for hot water mist spraying are completed, a buzzer sounds to notify the start of hot water mist spraying (STEP 4). This buzzer can be attached to, for example, the remote controller. After a predetermined time (for example, 10 seconds), the mist valve 22 is opened while the water supply valve 21 remains open (STEP 5), and the breeding suppression operation is started.

次いで、STEP6に移行し、所定の単位時間間隔で温度検知手段11が浴室温度を検知し、検知した浴室温度が制御手段Cに入力される。制御手段Cは、上記の如く、入力された浴室温度が所定の温度閾値に到達した時、浴室温度に対応する時間係数の検索、また、単位時間に検索した時間係数を乗じて求めるみなし運転時間の積算を開始する。そして、みなし運転時間の積算値が、所定の繁殖抑制完了閾値以上であるか否かの判定を行う。また、制御手段Cは、上記タイマで計測した繁殖抑制運転時間tを一時的に記憶する。制御手段Cが繁殖抑制完了閾値以上であると判定すると、繁殖抑制運転を完了し、浴室装置1は通常停止の状態になる(STEP7)。尚、制御手段Cが所定の繁殖完了閾値未満であると判定すると、繁殖抑制運転が継続する。 Next, in STEP 6, the temperature detection means 11 detects the bathroom temperature at predetermined unit time intervals, and the detected bathroom temperature is input to the control means C. FIG. As described above, when the input bathroom temperature reaches the predetermined temperature threshold value, the control means C searches for the time coefficient corresponding to the bathroom temperature, and multiplies the unit time by the searched time coefficient to obtain the deemed operating time. starts to accumulate. Then, it is determined whether or not the integrated value of the deemed operation time is equal to or greater than a predetermined breeding suppression completion threshold. Further, the control means C temporarily stores the breeding suppression operation time t1 measured by the timer. When the control means C determines that the breeding suppression completion threshold value is exceeded, the breeding suppression operation is completed, and the bathroom apparatus 1 is normally stopped (STEP 7). Incidentally, when the control means C determines that the breeding completion threshold is less than the predetermined breeding completion threshold, the breeding suppression operation is continued.

この後、制御手段Cは、繁殖抑制運転後に乾燥運転の実行が設定されているか否かを判定し(STEP8)、設定されていると判定する場合、浴室BRの乾燥運転モードに移行する(STEP9)。一方、乾燥運転の実行が設定されていない場合は、一時的に記憶した繁殖抑制運転時間tを消去してSTEP1の前の待機状態等に戻る。乾燥運転モードに移行すると、制御手段Cは、上記の如く、繁殖抑制運転時間tと乾燥運転時間tとの間の正の相関関係に基づいて、繁殖抑制運転tに対応する乾燥運転の所定時間を決定し(STEP10)、乾燥運転を実行する。決定した所定時間が経過すると、制御手段Cは乾燥運転を停止させる(STEP11)。 After that, the control means C determines whether or not the execution of the drying operation is set after the breeding suppression operation (STEP 8), and when it is determined that it is set, it shifts to the drying operation mode of the bathroom BR (STEP 9). ). On the other hand, if execution of the drying operation is not set, the temporarily stored breeding suppression operation time t1 is erased and the process returns to the standby state before STEP1. After shifting to the drying operation mode, the control means C performs the drying operation corresponding to the breeding suppression operation t1 based on the positive correlation between the breeding suppression operation time t1 and the drying operation time t2 , as described above . is determined (STEP 10), and the drying operation is executed. After the determined predetermined time has passed, the control means C stops the drying operation (STEP 11).

以上、本発明を一実施形態に関して説明したが、本発明は上記実施形態に限定されない。例えば、繁殖抑制運転時の浴室温度に対応する時間係数は、浴室BRの広さ及び設置方角、季節、浴室BRの内壁面等を形成する材料の材質等に応じて個々の浴室BRの繁殖抑制運転に最適となるように設定することができる。また、時間係数を記憶する記憶手段は、制御手段Cと別体とせずに制御手段Cに組み込み、併合することもできる。更に、熱源機8は、給湯暖房装置、ヒートポンプ、これらのハイブリッド装置等の任意のものから選定することができる。そして、温度検知手段11には、浴室BRの内壁面温度を直接検知できるようなものを採用したり、温度検知手段11の設置部位を変更したりすることができる。この場合、浴室BRの雰囲気温度と内壁面温度との温度差を考慮せずに済む。また、繁殖抑制運転時に暖房運転も同時に実行しているが、温水ミストの噴霧だけで繁殖抑制運転を実行することもできる。 Although the present invention has been described with respect to one embodiment, the present invention is not limited to the above embodiment. For example, the time coefficient corresponding to the temperature of the bathroom during breeding suppression operation depends on the size and installation direction of the bathroom BR, the season, the quality of the material forming the inner wall surface of the bathroom BR, etc., and the breeding suppression of each bathroom BR. You can set it to suit your driving style. Also, the storage means for storing the time coefficients may be incorporated into the control means C instead of being separate from the control means C and merged therewith. Furthermore, the heat source device 8 can be selected from arbitrary devices such as a hot water supply/heating device, a heat pump, and a hybrid device thereof. As the temperature detection means 11, it is possible to adopt a means capable of directly detecting the temperature of the inner wall surface of the bathroom BR, or to change the location where the temperature detection means 11 is installed. In this case, there is no need to consider the temperature difference between the ambient temperature of the bathroom BR and the inner wall surface temperature. In addition, although the heating operation is simultaneously executed during the breeding suppression operation, the breeding suppression operation can also be carried out only by spraying the hot water mist.

1…浴室装置、6…送風手段、7…放熱器(熱源)、11…温度検知手段、14…換気手段、16…ミストノズル、17…給湯路、C…制御手段、t…繁殖抑制運転時間、t…乾燥運転時間、BR…浴室。 DESCRIPTION OF SYMBOLS 1...Bathroom apparatus, 6...Blower means, 7...Radiator (heat source), 11...Temperature detection means, 14...Ventilation means, 16...Mist nozzle, 17...Hot water supply path, C...Control means, t1 ...Breeding suppression operation time, t 2 --drying run time, BR --bathroom.

Claims (3)

浴室内で菌類の繁殖を抑制する繁殖抑制運転を実行可能な浴室装置であって、
浴室内に臨むミストノズルと、このミストノズルに温水を供給する給湯路と、浴室温度を検知する温度検知手段と、繁殖抑制運転の自動制御を含む浴室装置の運転制御を実行可能な制御手段とを備え、繁殖抑制運転時、ミストノズルから温水ミストを浴室内に噴霧するものにおいて、
浴室温度に対応する、予め設定された繁殖抑制運転の時間係数を記憶する記憶手段を備え、
繁殖抑制運転時、制御手段は、温度検知手段が所定の単位時間間隔で検知する各浴室温度に対応する時間係数を記憶手段から検索して、単位時間に検索した時間係数を乗じて求めたみなし運転時間を積算し、積算したみなし運転時間が所定の繁殖抑制運転完了閾値に到達した時、繁殖抑制運転を完了させることを特徴とする浴室装置。
A bathroom device capable of performing a growth suppression operation for suppressing the growth of fungi in a bathroom,
A mist nozzle facing the inside of the bathroom, a hot water supply path for supplying hot water to the mist nozzle, a temperature detection means for detecting the temperature of the bathroom, and a control means capable of executing operation control of the bathroom equipment including automatic control of breeding suppression operation. and sprays warm water mist into the bathroom from the mist nozzle during breeding suppression operation,
A storage means for storing a preset breeding suppression operation time coefficient corresponding to the bathroom temperature,
During breeding suppression operation, the control means retrieves from the storage means a time coefficient corresponding to each bathroom temperature detected by the temperature detection means at predetermined unit time intervals, and multiplies the unit time by the retrieved time coefficient. A bathroom apparatus characterized in that the operation time is integrated, and when the integrated deemed operation time reaches a predetermined breeding suppression operation completion threshold, the breeding suppression operation is completed.
繁殖抑制運転時、前記温度検知手段が検知する浴室温度が所定の温度閾値に到達した時、前記制御手段は、前記記憶手段が記憶する時間係数の検索及びみなし運転時間の積算を開始することを特徴とする請求項1記載の浴室装置。 When the bathroom temperature detected by the temperature detecting means reaches a predetermined temperature threshold during breeding suppression operation, the control means starts searching for the time coefficient stored in the storage means and accumulating the assumed operation time. 2. Bathroom apparatus according to claim 1. 請求項1又は2記載の浴室装置であって、浴室内の空気を加熱する熱源と、浴室内の空気を吸い込み、吸い込んだ空気を浴室内に吹き出して浴室内の空気を循環させる送風手段と、浴室内の空気を浴室外に排気して換気する換気手段とを更に備え、繁殖抑制運転完了後、換気手段で浴室内を換気しながら、送風手段が、浴室内の空気を吸い込み、熱源で加熱した空気を浴室内に吹き出して、浴室内を温風乾燥する乾燥運転を所定時間実行するものにおいて、
繁殖抑制運転及び乾燥運転の両運転時間を計測するタイマを備え、
前記制御手段は、繁殖抑制運転時間と乾燥運転時間との間の正の相関関係に基づいて、繁殖抑制運転時間に対応する乾燥運転の所定時間を決定することを特徴とする浴室装置。
3. The bathroom apparatus according to claim 1 or 2, wherein the heat source heats the air in the bathroom, and the blower means sucks in the air in the bathroom and blows out the sucked air into the bathroom to circulate the air in the bathroom, A ventilation means for ventilating the air in the bathroom by exhausting it to the outside of the bathroom, and after the breeding suppression operation is completed, the air blowing means sucks the air in the bathroom and heats it with the heat source while ventilating the inside of the bathroom with the ventilation means. in which the hot air is blown out into the bathroom to dry the inside of the bathroom with warm air for a predetermined period of time,
Equipped with a timer that measures the operation time of both breeding suppression operation and drying operation,
The bathroom apparatus, wherein the control means determines a predetermined drying operation time corresponding to the breeding suppression operation time based on a positive correlation between the breeding suppression operation time and the drying operation time.
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001231836A (en) 2000-02-22 2001-08-28 Inax Corp Mist sauna device
JP2009014255A (en) 2007-07-04 2009-01-22 Toto Ltd Bathroom drier with mist function
JP2014161338A (en) 2013-02-21 2014-09-08 Panasonic Corp Bathroom heating and drying machine with mist function
JP2014171608A (en) 2013-03-07 2014-09-22 Osaka Gas Co Ltd Fungus suppressing operation method for bathroom and bathroom heating/drying machine with mist sauna function

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3806919B2 (en) * 1998-02-18 2006-08-09 東陶機器株式会社 Multifunctional dryer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001231836A (en) 2000-02-22 2001-08-28 Inax Corp Mist sauna device
JP2009014255A (en) 2007-07-04 2009-01-22 Toto Ltd Bathroom drier with mist function
JP2014161338A (en) 2013-02-21 2014-09-08 Panasonic Corp Bathroom heating and drying machine with mist function
JP2014171608A (en) 2013-03-07 2014-09-22 Osaka Gas Co Ltd Fungus suppressing operation method for bathroom and bathroom heating/drying machine with mist sauna function

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