JP5115060B2 - Mist sauna equipment - Google Patents

Description

  The present invention relates to a mist sauna device that generates mist in a bathroom.

  Conventionally, as this type of mist sauna device, a mist sauna device that supplies evaporated mist into a bathroom is known (see, for example, Patent Document 1). Hereinafter, the mist sauna apparatus will be described with reference to FIG.

  As shown in FIG. 6, the mist sauna device 101 is heated and heated on the heat exchanger 103 and the heat exchanger connected to the hot water heater 102 through a loop-shaped circulation pipe, The hot water supply pipe 104 is provided with a hot water flow switch 105 and a hot water flow rate adjustment valve 106 at a position before entering the hot water supply heating unit. Further, a blower 108 for sending water particles misted by the mist generating means 107 into the bathroom and a drain receptacle 109 for draining the condensed water droplets are provided. Further, means 110 for detecting temperature and humidity in the bathroom is provided as means for controlling the drying and heating operation.

In order to suppress mold breeding in the bathroom, a ventilation fan is provided inside the mist sauna device 101, and when the use of the bathroom is finished, there is also one that operates the ventilation fan to dry the bathroom (for example, see Patent Document 2). .
Japanese Patent No. 3699289 JP 2002-126033 A

  In such a conventional mist sauna, it is necessary to dry the inside of the bathroom to remove the moisture adhering to the bathroom in order to suppress the growth of mold in the bathroom, but when the inside of the bathroom is in a high temperature and high humidity state There is a problem that mold growth cannot be suppressed.

  The present invention solves such a conventional problem, and an object of the present invention is to provide a mist sauna device capable of suppressing the growth of mold in the bathroom even when the bathroom is in a high temperature and humidity state. And

In order to achieve the above-mentioned object, the mist sauna apparatus of the present invention comprises operation control means for bringing the temperature in the bathroom inner wall surface and the air in the bathroom to temperature and humidity free from mold by spraying mist , and bathing is performed by the operation control means . During or after bathing, spraying mist with a water temperature of 40 ° C. or more and 60 ° C. or less and a particle size of 0.1 μm or more and 10 μm or less, the temperature of the wall surface in the bathroom is 40 ° C. or more and 50 ° C. or less, and the temperature and humidity in the bathroom the 40 ° C. or higher 50 ° C. or less, the following conditions 100% RH or more RH 99% lasted more than one hour, it is shall be inhibited the growth of mold in the bathroom.

  The other means is such that the mist spraying operation or the drying operation is selected by the operation control means.

  In addition, other means include temperature detection means for detecting the temperature in the bathroom, humidity detection means for detecting the humidity in the bathroom, inflow air temperature detection means for detecting the temperature of the air flowing into the bathroom, and inflow into the bathroom And an inflow air humidity detecting means for detecting the humidity of the air.

  In another means, operation according to the temperature and humidity in the bathroom is selected by the operation control means.

  In another means, the operation according to the temperature and humidity of the inflowing air is selected by the operation control means.

  In another means, the operation control means selects the operation according to the temperature and humidity in the bathroom and the temperature and humidity of the inflowing air.

  Another means is to perform a drying operation when the temperature and humidity in the bathroom is 5 ° C. or more and 25 ° C. or less and 10% RH or more and 75% RH or less.

  The other means is that the temperature / humidity in the bathroom does not fall within the range of 5 ° C. to 25 ° C. and 10% RH to 75% RH, and the temperature and humidity of the incoming air is 5 ° C. to 25 ° C. and 10% RH. When satisfying the above 75% RH or less, a drying operation is performed.

  The other means is that the temperature / humidity in the bathroom does not fall within the range of 5 ° C. to 25 ° C. or 10% RH to 75% RH, and the temperature and humidity of the incoming air is 5 ° C. to 25 ° C. and 10% RH. When 75% RH or less is not satisfied, the bathroom inner wall surface and air are set to 40 ° C to 50 ° C and the humidity in the bathroom is set to 99% RH to 100% by mist spray operation.

  The other means is that the temperature / humidity in the bathroom does not fall within the range of 5 ° C. to 25 ° C. or 10% RH to 75% RH, and the temperature and humidity of the incoming air is 5 ° C. to 25 ° C. and 10% RH. When not satisfying 75% RH or less, the mist spraying operation makes the bathroom inner wall surface and air 40 ° C to 50 ° C and the bathroom humidity 99% RH to 100% and lasts for 1 hour or more. .

  The other means is that the temperature / humidity in the bathroom does not fall within the range of 5 ° C. to 25 ° C. or 10% RH to 75% RH, and the temperature and humidity of the incoming air is 5 ° C. to 25 ° C. and 10% RH. When 75% RH or less is not satisfied, the drying operation is performed after the mist spraying operation is completed.

According to the present invention, by providing the operation control means for bringing the temperature in the bathroom wall surface and the bathroom air to a temperature and humidity level free from mold by spraying mist, the propagation of mold even when the bathroom is in a high temperature and high humidity state. It is possible to provide a mist sauna device that can effectively suppress the mist. Further, the temperature of the bathroom wall 40 ° C. or higher 50 ° C. or less by the operation control means, 50 ° C. The temperature and humidity 40 ° C. or higher in the bathroom below, Ru lasted more than one hour the following conditions 100% RH or more RH 99% it is thus possible to provide a mist sauna apparatus which is effective that molds adhered to bathroom walls, the floating mold in the bathroom can Rukoto substantially annihilated. Moreover, when the water temperature of the mist is 40 ° C. or higher and 60 ° C. or lower, it is possible to provide a mist sauna device having an effect that it is possible to suppress the growth of mold safely and economically. Moreover, when the particle diameter of the mist is 0.1 μm or more and 10 μm or less, it is possible to provide a mist sauna device that is effective in suppressing the growth of mold with the minimum necessary amount of mist injection.

In addition, by the operation control means , the mist spraying operation or the drying operation is selected according to the temperature and humidity in the bathroom and / or the temperature and humidity of the inflowing air, so that there is an effect that mold growth can be suppressed in an optimum operation. A mist sauna device can be provided.

  Moreover, the temperature detection means for detecting the temperature in the bathroom, the humidity detection means for detecting the humidity in the bathroom, the inflow air temperature detection means for detecting the temperature of the air flowing into the bathroom, and the humidity of the air flowing into the bathroom By providing the inflow air humidity detection means for detecting, it is possible to provide a mist sauna device that is capable of suppressing the growth of mold by the optimum operation according to the temperature and humidity in the bathroom and the temperature and humidity of the inflow air. it can.

  In addition, when the temperature and humidity in the bathroom is 5 ° C. or more and 25 ° C. or less and 10% RH or more and 75% RH or less, the mist has the effect of suppressing the growth of mold with the minimum necessary energy by performing the drying operation. A sauna device can be provided.

  Also, the temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C and 10% RH to 75% RH, and the temperature and humidity of the inflowing air is 5 ° C to 25 ° C and 10% RH to 75% RH. When satisfy | filling, it can provide the mist sauna apparatus which has the effect that the propagation of mold | fungi can be suppressed with minimum energy by performing dry operation.

  Also, the temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C or 10% RH to 75% RH, and the temperature and humidity of the inflowing air is 5 ° C to 25 ° C and 10% RH to 75% RH. If it does not satisfy the above, even if the bathroom is in a high-temperature and high-humidity state by setting the wall surface and air in the bathroom to 40 ° C to 50 ° C and the humidity in the bathroom to 99% RH to 100% by mist spray operation Thus, it is possible to provide a mist sauna device that is effective in efficiently suppressing the growth of mold.

  Also, the temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C or 10% RH to 75% RH, and the temperature and humidity of the inflowing air is 5 ° C to 25 ° C and 10% RH to 75% RH. If it does not satisfy the above conditions, the mist spray operation makes the bathroom inner wall surface and air 40 ° C to 50 ° C, the humidity in the bathroom is 99% RH to 100%, and the bath is kept at a high temperature and high humidity for 1 hour or longer. Even in the state, it is possible to provide a mist sauna device that is effective in killing mold.

  Also, the temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C or 10% RH to 75% RH, and the temperature and humidity of the inflowing air is 5 ° C to 25 ° C and 10% RH to 75% RH. If the condition is not satisfied, by performing the drying operation after the completion of the mist spraying operation, it is possible to provide a mist sauna device that can prevent re-contamination due to mold flowing back into the bathroom.

The mist sauna device according to claim 1 of the present invention is provided with operation control means for making the temperature in the bathroom wall surface and air in the bathroom to a temperature and humidity free from mold by spraying mist. Even under high-temperature and high-humidity conditions, it has an effect of stopping the activity of floating mold and attached mold by a temperature and humidity shock. Moreover, the temperature of the inner wall surface of the bathroom is 40 ° C. or more and 50 ° C. or less by the operation control means, and the temperature and humidity in the bathroom is 40 ° C. or more and 50 ° C. or less, 99% RH or more and 100% RH or less, It has the effect of giving shock due to temperature and humidity to mold and floating mold in the bathroom, and further stopping mold activity. In addition, the temperature of the inner wall surface of the bathroom is 40 ° C. or higher and 50 ° C. or lower, the temperature and humidity in the bathroom is 40 ° C. or higher and 50 ° C. or lower, and 99% RH or higher and 100% RH or lower is maintained for 1 hour or longer by spraying mist. It has the effect of increasing the exposure time of the temperature and humidity shock given to the attached mold and floating mold in the bathroom and completely stopping the mold activity. Further, the water temperature of the mist is 40 ° C. or more and 60 ° C. or less, and has an effect of preventing deterioration of members and fixtures in the bathroom. In addition, the particle size of the mist is 0.1 μm or more and 10 μm or less, and has an effect of increasing the surface area of the mist with respect to the spray amount and increasing the temperature rise efficiency of the bathroom by the mist spray.

Further, the operation control means selects the mist spraying operation or the drying operation according to the temperature and humidity in the bathroom and / or the temperature and humidity of the inflow air, and the temperature and humidity in the bathroom and / or the inflow air. Depending on the temperature and humidity conditions, the operation method for suppressing the growth of mold is selected from the mist spraying operation or the drying operation.

  Moreover, the temperature detection means for detecting the temperature in the bathroom, the humidity detection means for detecting the humidity in the bathroom, the inflow air temperature detection means for detecting the temperature of the air flowing into the bathroom, the humidity of the air flowing into the bathroom It has an inflow air humidity detection means to detect, and has the effect of detecting the temperature and humidity of the inflow air in the bathroom and outputting it to the operation control means.

  In addition, when the temperature and humidity in the bathroom is 5 ° C. or more and 25 ° C. or less and 10% RH or more and 75% RH or less, the drying operation is performed, and the temperature and humidity that does not cause mold in the bathroom by the drying operation. At least, it has the effect of stopping mold activity.

  Also, the temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C and 10% RH to 75% RH, and the temperature and humidity of the inflowing air is 5 ° C to 25 ° C and 10% RH to 75% RH. In the case of satisfying the condition, the drying operation is performed, and the drying operation brings the temperature of the inside of the bathroom to a temperature and humidity without generating mold, and has an effect of stopping the activity of the mold.

  Also, the temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C or 10% RH to 75% RH, and the temperature and humidity of the inflowing air is 5 ° C to 25 ° C and 10% RH to 75% RH. If it does not satisfy the above conditions, the wall surface and air in the bathroom should be 40 ° C. or more and 50 ° C. or less by the mist spray operation, and the humidity in the bathroom should be 99% RH or more and 100% or less. It has the effect of giving a temperature and humidity shock to the floating mold and stopping the activity of the mold.

  Also, the temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C or 10% RH to 75% RH, and the temperature and humidity of the inflowing air is 5 ° C to 25 ° C and 10% RH to 75% RH. If it does not satisfy the conditions, the wall surface and air in the bathroom will be 40 ° C. or higher and 50 ° C. or lower by mist spraying operation, the humidity in the bathroom will be 99% RH or higher and 100% or lower, and it will be maintained for 1 hour or longer. It has the effect of increasing the amount of heat given to the inside mold and floating mold and stopping the mold activity.

  Also, the temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C or 10% RH to 75% RH, and the temperature and humidity of the inflowing air is 5 ° C to 25 ° C and 10% RH to 75% RH. If the condition is not satisfied, the drying operation is performed after the mist spraying operation is completed, and the activity of the mold re-entering the bathroom is completely stopped.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1) Configuration of Mist Sauna Device FIG. 1 is a diagram showing a configuration of a mist sauna device of the present invention.

  The mist sauna apparatus 1 of the present invention includes a ventilation box 2 for exhausting air in a bathroom, a mist generation drying circulation box 3 for drying, circulating air blowing, mist generation and spraying in the bathroom, and an operation control instruction as operation control means. The circuit 4 is configured.

  The ventilation box 2 is provided with an exhaust fan 5 for passing the mist generation drying circulation box 3 installed in the bathroom and exhausting the air in the bathroom and an exhaust damper 6 for controlling the exhaust amount in the bathroom. .

  The mist generation drying circulation box 3 includes a mist generation means 107 for mist-forming hot water supplied from a heat source (not shown) through the hot water supply pipe 104, a temperature detection means 7 for detecting the temperature in the bathroom, A humidity detecting means 8 for detecting humidity, a water vapor aggregating filter 9 for aggregating steam in the bathroom, a drain receiver 109 for draining the water droplets of the agglomerated water vapor, and a heat exchanger 103 for heating the air in the bathroom are provided. The water vapor aggregating filter 9 only needs to be able to agglomerate and collect water vapor, and includes, for example, an eliminator.

  The operation control instruction circuit 4 as an operation control means switches between a mist spraying operation for spraying mist in the bathroom and a drying operation for drying in the bathroom, and a blower 108 provided in the mist generation drying circulation box 3. The heat exchanger 103 and the mist generating means 107 are connected by wiring.

  Here, the mist spraying operation is an operation in which hot water supplied from the heat source through the hot water supply pipe 104 is misted by the mist generating means 107 and sprayed into the bathroom by the blower 108. The drying operation refers to an operation of exhausting air in the bathroom by the exhaust fan 5 and the exhaust damper 6 or an operation of heating by the heat exchanger 103 while exhausting the air in the bathroom.

Mist generating means 107 actuates the by the operation control instruction circuit 4 as the operation control means, through the hot water supply pipe 104 from the heat source, the mist generator 107 hot water sent by spraying into the bathroom, the bath room The temperature of the temperature inside the bathroom is set to 40 ° C. or higher and 50 ° C. or lower and 99% RH or higher and 100% RH or lower where mold does not occur. The mist generating means 107 only needs to generate fine water droplets and mist of, for example, about 0.1 μm to 100 μm, such as nozzle spraying of water or hot water, or vaporization.

  Water is heated to 40 ° C. or more and 60 ° C. or less with a heat source, and hot water misted by nozzle spraying as the mist generating means 107 is sprayed in the bathroom for about 1 hour, so that the temperature of the sprayed mist is increased in the bathroom. It is transmitted to the air, and the temperature in the bathroom can be set to 40 ° C. or more and 50 ° C. or less. Moreover, the sprayed mist adheres to the inner wall surface of the bathroom, and the heat is transferred to the inner wall surface, so that a state of 40 ° C. or more and 50 ° C. or less is achieved in about 1 hour operation. The air is brought to a temperature and humidity that does not cause mold.

  Water is heated to 40 ° C or higher and 60 ° C or lower with a heat source, and the hot water misted by the mist generating means 107 is sprayed into the bathroom for about 1 hour, so that the mist spreads sufficiently in the bathroom, and the operation is performed for about 1 hour. The humidity in the bathroom is 99% RH or more and 100% RH or less, and the wall surface of the bathroom and the air in the bathroom are brought to a temperature and humidity without generating mold.

  Therefore, water is heated to 40 ° C. or more and 60 ° C. or less with a heat source, and the hot water misted by the mist generating means 107 is sprayed in the bathroom for about 1 hour, so that the temperature humidity in the bathroom is 40 ° C. or more and 50 ° C. or less, 99 % RH to less than 100% RH, bathroom wall surface temperature of 40 ° C. or more and 50 ° C. or less is achieved, and air in the bathroom wall and bathroom is brought to a temperature and humidity that does not cause mold.

  In order to bring the inside of the bathroom to 40 ° C. or higher, 99% RH or higher and the bathroom inner wall surface to 40 ° C. or higher by the mist spraying operation, the water temperature of the mist, that is, the water temperature at the mist spraying port needs to be 40 ° C. or higher. In addition, when a mist of 60 ° C. or higher is sprayed in the bathroom, the temperature of the inner wall surface of the bathroom may exceed 50 ° C., which is the upper limit of the temperature at which bathroom members and equipment such as televisions function normally. Therefore, it is necessary to set the water temperature of the mist, that is, the water temperature at the mist injection port to 40 ° C. or more and 60 ° C. or less, and this water temperature setting is achieved by controlling the heating of water in the heat source.

  In the mist spraying operation, the mist generating means 107 that mists hot water sent from the hot water supply pipe 104 heats the hot water sent from the hot water supply pipe 104 and sends vaporized water vapor into the bathroom by the blower 108; It is divided into a splash system in which hot water of 40 ° C. to 60 ° C. sent from the hot water supply pipe 104 is crushed into water by nozzle spraying. In the micro mist method, water particles having a particle diameter of 0.1 μm to 10 μm can be produced, and in the splash method, water particles of 10 μm to 100 μm can be produced.

  For example, when the mist spraying operation is performed in a bathroom at 30 ° C. and 60% RH in a splash system, the temperature and humidity in the bathroom is 40 ° C. or higher, 99% RH, and the bathroom inner wall surface is 40 ° C. or higher in 30 minutes. However, if a mist spraying operation using the micro mist method is performed, it takes 1 hour of operation to bring the temperature and humidity in the bathroom to 40 ° C or higher, 99% RH, and the bathroom inner wall surface to 40 ° C or higher. It is. Therefore, by performing the mist spraying operation for 30 minutes in the splash method and for 1 hour in the micro mist method, the temperature and humidity in the bathroom is 40 ° C. or more and 50 ° C. or less, 99% RH or more and less than 100% RH, and the bathroom wall surface temperature is 40 ° C. or more. The temperature and humidity in the bathroom is kept at 40 ° C. or higher and 50 ° C. or lower, 99% RH or higher and lower than 100% RH, and the bathroom inner wall surface temperature is 40 ° C. or higher by continuing the mist spraying operation for 1 hour or longer. The temperature of 50 ° C. or lower can be maintained for 1 hour or longer, and the mold growth inhibition of the present invention is achieved.

  The temperature detection means 7 in the bathroom is preferably provided inside the mist generation drying circulation box 3 of the mist sauna apparatus 101 as shown in FIG. 1, but is not limited to this as long as it is in the bathroom. However, when installing in a bathroom where water droplets adhere, it is necessary to select a means that does not hinder detection due to water droplets adhering. In addition, when the temperature in the bathroom is detected by the temperature detection means 7 in the bathroom, the mist spraying operation or the automatic operation is performed in order to minimize the adverse effects on the bathroom members, the bathroom television and the radio. It is preferable to incorporate an operation control means for stopping the drying operation in the operation control instruction circuit 4.

  As the temperature detection means 7 in the bathroom, there is a sensor that measures the surface temperature by infrared rays or the like. However, when the water droplets adhere, the surface temperature may not be measured. An applied thermocouple sensor is preferred. It is also effective to give the surface a water repellent or hydrophobic treatment. The temperature detection means 7 in the bathroom detects the temperature in the bathroom, and is preferably capable of detecting, for example, a temperature range of 5 ° C. to 60 ° C. that can actually occur in the bathroom.

  As the humidity detection means 8 in the bathroom, there is a sensor made of lithium chloride, ceramic, or the like, but it may be combined with water droplets adhering to the surface and may not be able to measure humidity. Using a humidity sensor that uses a polymer as the material can minimize humidity measurement obstruction due to water droplet adhesion. Further, the humidity detection means 8 in the bathroom only needs to detect the humidity in the bathroom. For example, the humidity detection range is preferably 40% RH to 100% RH. The humidity detecting means 8 in the bathroom is preferably provided inside the mist sauna apparatus 101 as shown in FIG. 1, but is not limited to this as long as it is in the bathroom. However, when it is provided at a site where water droplets adhere in the bathroom, it is necessary to select a means that does not hinder detection due to the adhesion of water droplets.

  The means for detecting the temperature of the incoming air into the bathroom only needs to be able to detect the temperature of the incoming air, and it is not necessary to accurately measure a temperature lower than 25 ° C., which is the lowest temperature of mold generation. That's fine. The means for detecting the temperature of the air flowing into the bathroom is preferably installed avoiding a place exposed to direct sunlight and a place directly exposed to wind. In addition, when the means for detecting the temperature of the air flowing into the bathroom is installed at a site where water droplets adhere, it is necessary to select a means that does not hinder detection due to the adhesion of water droplets. As a specific installation location, a location in contact with the bathroom such as a dressing room or an attic of the bathroom is preferable.

  The inflow air humidity detection means into the bathroom only needs to detect the humidity of the inflow air. For example, the humidity detection range is preferably 40% RH to 100% RH. The means for detecting the humidity of air flowing into the bathroom is preferably installed avoiding a place exposed to direct sunlight or a place directly exposed to wind. In addition, when the means for detecting the temperature of the air flowing into the bathroom is installed at a site where water droplets adhere, it is necessary to select a means that does not hinder detection due to the adhesion of water droplets. As a specific installation location, a location in contact with the bathroom such as a dressing room or an attic of the bathroom is preferable.

  The means for determining the presence or absence of water droplets on the wall surface in the bathroom (not shown), for example, using a CCD camera or an infrared detection unit, converts the amount of infrared energy emitted from the wall surface of the bathroom into a thermoelectromotive force to calculate the absolute temperature. When the amount of change becomes 0, it may be determined that there is no water droplet. The location of the water droplet presence / absence judging means on the wall surface in the bathroom is not particularly limited as long as it is in the bathroom, but it is particularly good to detect the bathroom floor surface with a large amount of water droplets attached, so it is installed near the ceiling surface of the bathroom. Is preferred.

  The operation control instruction circuit 4 as an operation control means includes a mist spray operation in which hot water of 40 ° C. to 60 ° C. is sprayed into the bathroom by a splash method or a micro mist method in the bathroom, an exhaust fan 5, and an exhaust damper 6. The drying operation, which is the operation of exhausting the air in the interior or the operation of heating by the heat exchanger 103 while exhausting the air in the bathroom, is switched according to the temperature and humidity of the inflow air in the bathroom. Here, switching between the mist spraying operation and the drying operation is performed in the bathroom temperature detection means 7, the bathroom humidity detection means 8, the inflow air temperature detection means (not shown), and the inflow air humidity detection means (not shown). This is performed according to the output value.

  The suppression of mold propagation in the bathroom according to the present invention operates in accordance with the temperature and humidity conditions of the air flowing into the bathroom and the bathroom. In general, mold does not grow under conditions of 25 ° C. or lower and 75% RH or lower. Under such temperature / humidity conditions in the bathroom, mold growth is not suppressed by mist spraying, and drying is not performed. By doing this, it is possible to suppress the growth of mold in the bathroom. However, when the temperature in the bathroom is 25 ° C. or higher and 75% RH or lower, which is good for mold growth, the mist spraying operation may suppress mold growth.

  The details of the operation according to the temperature and humidity in the bathroom and the temperature and humidity of the incoming air are described below.

  FIG. 2 shows an operation example of mold growth suppression using the mist sauna device of the present invention, and the mold suppression operation of the present invention divided into cases according to the values of the inflow air temperature and humidity in the bathroom is described below.

  As shown in FIG. 2, it can be said that the floating mold in the bathroom is in an inactive condition when the temperature in the bathroom is 25 ° C. or lower and 75% RH or lower, which is a temperature and humidity condition in which mold does not easily propagate. However, when the wall surface in the bathroom is in a wet state, mold attached to the wall surface is considered to be in a humidity of 100% RH condition, and may propagate. Therefore, an operation for completely drying the wall surface is necessary, and it is necessary to perform a drying operation. Here, the drying operation may be either an operation in which the air in the bathroom is exhausted by the exhaust fan 5 and the exhaust damper 6, or an operation in which the air is heated by the heat exchanger 103 while exhausting the air in the bathroom. Moreover, when the output value of the temperature / humidity detecting means in the bathroom becomes a steady value, it is considered that the interior of the bathroom has been completely dried, and the drying operation is stopped. Also, if the output value of the temperature / humidity detection means in the bathroom is the same as the output value of the temperature / humidity detection means outside the bathroom, it is considered that the inside of the bathroom could be completely dried and the drying operation was stopped. To do. Further, even when it is determined that there is no water droplets by the water droplet presence / absence detection means in the bathroom, it is considered that the bathroom has been completely dried, and the drying operation is stopped. By these operations, it is possible to suppress the growth of attached mold in the bathroom.

  As shown in FIG. 2, the temperature in the bathroom is a temperature and humidity condition in which molds can propagate, and it is not 25 ° C. or less and 75% RH or less, and the temperature and humidity of the air flowing into the bathroom is 25 ° C. or less and 75% RH or less. In this case, it is considered that water droplets remain in the bathroom, and there is a possibility that mold attached to the wall surface of the bathroom will propagate. In addition, the temperature and humidity conditions in the bathroom are also favorable conditions for mold growth, so it is considered that the floating mold in the bathroom is also active. In such a case, the drying operation is performed to completely remove the moisture in the bathroom, so that the interior of the bathroom can be reduced to 25 ° C. or lower and 75% RH or lower. It is possible to suppress. Here, the condition that the temperature and humidity of the air flowing into the bathroom is 25 ° C. or less and 75% RH or less corresponds to the temperature and humidity of the outside air on days other than rain in the spring, autumn, and winter. In such a season, it is not necessary to operate mold growth suppression by mist spraying, and mold growth can be suppressed by dry operation, so that energy-saving mold growth suppression is possible. Here, the drying operation may be either an operation in which the air in the bathroom is exhausted by the exhaust fan 5 and the exhaust damper 6, or an operation in which the air is heated by the heat exchanger 103 while exhausting the air in the bathroom. Moreover, when the output value of the temperature / humidity detecting means in the bathroom becomes a steady value, it is considered that the interior of the bathroom has been completely dried, and the drying operation is stopped. Also, if the output value of the temperature / humidity detection means in the bathroom is the same as the output value of the temperature / humidity detection means outside the bathroom, it is considered that the inside of the bathroom could be completely dried and the drying operation was stopped. To do. Further, even when it is determined that there is no water droplets by the water droplet presence / absence detection means in the bathroom, it is considered that the bathroom has been completely dried, and the drying operation is stopped. By these operations, it is possible to suppress the growth of attached mold in the bathroom.

  As shown in FIG. 2, the temperature in the bathroom is a temperature and humidity condition in which molds can propagate, 25 ° C. or higher and 75% RH or higher, and the temperature and humidity of the air flowing into the bathroom is 25 ° C. or higher and 75% RH or higher. In this case, even if the bathroom is completely dried by a drying operation, it is not expected that the interior of the bathroom will be 25 ° C. or lower and 75% RH or lower. It is during the summer or rainy season that the temperature and humidity conditions of the air flowing into the bathroom and the bathroom are satisfied. In this case, it is considered that both the floating mold and the attached mold in the bathroom can be grown. Since inhibition of mold growth in the bathroom by only the drying operation is not expected, inhibition of mold reproduction by the mist spray operation according to the present invention is effective. By spraying mist, the temperature of the inner wall of the bathroom is 40 ° C or higher and 50 ° C or lower, and the temperature and humidity in the bathroom is set to 40 ° C or higher and 50 ° C or lower, and 99% RH or higher. can do. By maintaining this temperature and humidity condition for 1 hour or longer, 80% or more of mold in the bathroom can be suppressed. Therefore, even if the temperature in the bathroom is lowered and the humidity is increased after the mist spraying operation, there is almost no living mold in the bathroom, so mold growth cannot occur. Here, as one of methods for confirming whether the wall surface temperature is 40 ° C. or higher and 50 ° C. or lower, a wall surface temperature sensor can be cited. In this method, the wall surface temperature is measured in a non-contact manner using an infrared sensor.

  By performing a drying operation after the mist spraying operation and removing the adhering water in the bathroom, it is possible to further increase the efficiency of mold growth suppression. Here, the drying operation may be either an operation in which the air in the bathroom is exhausted by the exhaust fan 5 and the exhaust damper 6, or an operation in which the air is heated by the heat exchanger 103 while exhausting the air in the bathroom. Moreover, when the output value of the temperature / humidity detecting means in the bathroom becomes a steady value, it is considered that the interior of the bathroom has been completely dried, and the drying operation is stopped. Also, if the output value of the temperature / humidity detection means in the bathroom is the same as the output value of the temperature / humidity detection means outside the bathroom, it is considered that the inside of the bathroom could be completely dried and the drying operation was stopped. To do. Further, even when it is determined that there is no water droplets by the water droplet presence / absence detection means in the bathroom, it is considered that the bathroom has been completely dried, and the drying operation is stopped. By these operations, it is possible to suppress the growth of attached mold in the bathroom.

  According to the present invention, the mist spraying operation performed by the bather while taking a bath increases the comfort of the bather and at the same time obtains a fungus-suppressing effect. 5 hours) When performing mist spraying for a period of time and performing mold suppression after bathing, the mist spraying may be 1-X hours, so that energy-saving mold growth suppression can be achieved. Moreover, if the bather sprays mist for 1 hour or more during bathing, it is not necessary to suppress mold after bathing.

(Embodiment 2) Fungal growth suppression effect A growth suppression test by heat shock was conducted using the most famous fungus genus Cladosporium (NBRC6348, hereinafter referred to as Cladosporium) as a mold that propagates in the bathroom. . The method is described below.

  Cladosporium colonies that were slanted in a test tube using a potato dextrose agar medium (hereinafter referred to as PDA medium) were pipetted with 1 mL of sterile water to collect spores. To a 50 mL centrifuge tube, 1 mL of a spore recovery solution and 24 mL of sterilized water were added and shaken for 10 minutes at room temperature and 200 rpm to obtain a test solution. 1 mL of the test solution was placed in a 1.5 mL microtube, subjected to heat shock using a block heater, applied on a PDA medium in a petri dish, and cultured at 25 ° C. for 4 days. Thereafter, the number of colonies was visually counted to calculate the number of viable bacteria. The survival rate was calculated by dividing the number of surviving bacteria after heat shock by the number of surviving bacteria before heat shock.

  As shown in FIG. 3, even when heat shock was applied at 25 ° C. or 35 ° C. for 2 hours, the survival rate of cladosporium was almost 100%, and the proliferation of cladosporium could not be suppressed. However, with a heat shock at 40 ° C., about 80% could be suppressed in 1 hour, and about 90% could be suppressed in 2 hours. In addition, the heat shock at 45 ° C. could be almost completely annihilated by exposure for 0.5 hours.

  In this way, Cladosporium can be killed by applying a heat shock of 40 ° C. or higher for 1 hour or more even under water immersion conditions, and the wall surface is wet with water droplets or condensation in the bathroom. Can also be suppressed without drying. This indicates that molds present in water droplets adhering to the wall, floor, and ceiling of the bathroom can be suppressed.

  Similarly, a growth inhibition test by temperature and humidity shock was performed using cladosporium. The method is described below.

  Spores were recovered by pipetting colonies cultured in a test tube on a potato dextrose agar medium (hereinafter referred to as PDA agar medium) with 1 mL of sterile water. To a 50 mL centrifuge tube, 1 mL of spore recovery solution and 24 mL of sterilized water were added, and shaken at room temperature and 200 rpm for 10 minutes to obtain a test solution. Put 0.1 mL of the test solution into a 25 mL centrifuge tube, let it completely air dry over about 2 hours, and then place it in a constant temperature and humidity chamber set to 25, 35, 40 or 45 ° C. and 99% RH in advance. The dried spores were subjected to temperature and humidity shocks. Thereafter, 5 mL of sterilized water was added to the centrifuge tube and vortexed to disperse the dried spores in sterilized water. The spore was applied onto a PDA agar medium in a petri dish and cultured at 25 ° C. for 4 days. Then, the number of colonies was counted visually to calculate the number of viable bacteria. The survival rate was calculated by dividing the number of surviving spores after the temperature and humidity shock by the number of surviving spores before the temperature and humidity shock.

  As shown in FIG. 4, Cladosporium could be almost completely annihilated by exposure to 40 ° C. and 99% RH for 1 hour.

  Here, an experiment was conducted using aureobasidium (Aureobasidium pullans NBRC6353), which is a mesophilic bacterium that is also present in the bathroom. As shown in FIG. 5, the film was almost completely annihilated by exposure to 40 ° C. and 99% RH for 1 hour.

  As described above, mold floating in the bathroom and mold attached to a portion having no water droplets on the inner wall surface of the bathroom can be almost completely killed by exposure to 40 ° C. and 99% RH for 1 hour.

  By spraying mist, it is possible to suppress the growth of mold even when the bathroom is in a high temperature and high humidity condition, and the bathroom can be kept clean.

Side surface block diagram which shows the mist sauna apparatus of Embodiment 1 of this invention. Diagram showing the mold suppression operation mode The figure which shows the reproduction inhibitory effect of Cladosporium cladosporioides by the heat shock of Embodiment 2 of this invention. The figure which shows the reproduction suppression effect of Cladosporium cladosporioides by the same temperature and humidity shock The figure which shows the reproduction inhibitory effect of Aurepbasidium pullans by the same temperature and humidity shock Side configuration diagram showing a conventional mist sauna device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Mist sauna apparatus 2 Ventilation box 3 Mist generation drying circulation box 4 Operation control instruction circuit 5 Exhaust fan 6 Exhaust damper 7 Temperature detection means 8 Humidity detection means 9 Water vapor aggregation filter

Claims (7)

It is equipped with operation control means to make the temperature in the bathroom wall surface and the bathroom temperature and humidity free from mold by spraying mist,
By the operation control means , during or after bathing, mist having a water temperature of 40 ° C. or more and 60 ° C. or less and a particle size of 0.1 μm or more and 10 μm or less is sprayed, and the temperature of the inner wall surface of the bathroom is 40 ° C. or more and 50 ° C. hereinafter, the temperature and humidity in the bathroom 40 ° C. or higher 50 ° C. or less, the following conditions 100% RH or more RH 99% lasted more than one hour, the mist sauna apparatus characterized that you inhibit the growth of mold in the bathroom . The mist sauna apparatus according to claim 1, wherein the operation control means selects a mist spraying operation or a drying operation in accordance with the temperature and humidity in the bathroom and / or the temperature and humidity of the inflowing air . Temperature detecting means for detecting the temperature in the bathroom, humidity detecting means for detecting the humidity in the bathroom, inflow air temperature detecting means for detecting the temperature of the air flowing into the bathroom, and detecting the humidity of the air flowing into the bathroom mist sauna apparatus according to claim 1 or 2, characterized in that a flowing air humidity detecting means. The mist sauna apparatus according to any one of claims 1 to 3 , wherein a drying operation is performed when the temperature and humidity in the bathroom is 5 ° C or more and 25 ° C or less and 10% RH or more and 75% RH or less. The temperature and humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C and 10% RH to 75% RH, and at the same time the temperature and humidity of the incoming air satisfy 5 ° C to 25 ° C and 10% RH to 75% RH. In the case, the mist sauna apparatus according to any one of claims 1 to 3 , wherein a drying operation is performed. The temperature / humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C or 10% RH to 75% RH, and the temperature and humidity of the incoming air satisfy 5 ° C to 25 ° C and 10% RH to 75% RH. If not, the following 50 ° C. 40 ° C. or more bathroom wall and the air by the mist spraying operation, the humidity in the bathroom was more than 100% to RH 99%, that lasts more than 1 hour claim 1, wherein 3 The mist sauna apparatus in any one of . The temperature / humidity in the bathroom does not fall within the range of 5 ° C to 25 ° C or 10% RH to 75% RH, and the temperature and humidity of the incoming air satisfy 5 ° C to 25 ° C and 10% RH to 75% RH. no case, a mist sauna apparatus according to any one or 6 of claims 1 to 3, characterized in that the drying operation after the completion of the mist spraying operation.

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