JP2001190631A - Mist sauna apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mist sauna apparatus, which is a terminal device of a water heater built in a bathroom and can achieve an efficient mist operation. SOLUTION: This apparatus is composed of a heat exchanger sprayed with warm water supplied from a heat source device, a nozzle for spraying the supplied warm water on the heat exchanger, a pipe for supplying warm water from the heat source device to the nozzle and an air blowing fan for ejecting mist in a bathroom. Reheating means for reheating the supplied warm water is provided in the middle of the warm water supply pipe.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mist sauna device installed in a bathroom or shower room.

[0002]

2. Description of the Related Art Conventionally, in a mist sauna apparatus, hot water heated by a heat source device such as a water heater is sprayed from a jet nozzle to a heat exchanger provided in a bathroom, and steam (mist) is utilized by utilizing the surface area of the heat exchanger. Was generated, and the generated mist was blown out into a bathroom by a blower fan.

[0003]

However, in the above-mentioned conventional mist sauna apparatus, the maximum set hot water temperature of the hot water heater as the heat source unit is set to 60 ° C. in consideration of safety. However, even if mist is generated, heat radiation is poor, and when the outside air temperature is low, such as in winter, the ambient temperature in the bathroom will also decrease accordingly and will not rise to a temperature suitable for mist. Had difficulties.

[0004] In view of the above problems, it is an object of the present invention to provide a mist sauna device, which is a terminal device of a water heater built in a bathroom, that can efficiently perform mist operation.

[0005]

In order to solve the above-mentioned problems, a mist sauna apparatus according to the present invention comprises a heat exchanger to which hot and cold water from a heat source device is blown, and a nozzle for spraying hot and cold water to the heat exchanger. A hot water supply pipe from the heat source device to the nozzle, and a blower fan for blowing mist into the bathroom, wherein a reheating means for reheating the hot water is provided in the middle of the hot water supply pipe. This is one of the features. According to the first feature, high-temperature hot water can be sprayed on the heat exchanger, and the amount of heat radiation increases, so that when the ambient temperature in the bathroom is low or when the insulation of the bathroom is poor, This also enables efficient mist operation.
Further, the mist sauna device of the present invention has a heat exchanger to which hot water is blown from a heat source device, a nozzle for spraying hot water and hot water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and A blower fan for blowing out mist, and reheating means for heating the hot water again in the middle of the hot water supply pipe, wherein the reheating means comprises a water storage tank and an electric heater. Features. According to the second feature, there is an advantage that it can be manufactured small, efficiently and inexpensively by an electric method.

Further, the mist sauna apparatus of the present invention comprises a heat exchanger to which hot water is blown from a heat source unit, a nozzle for spraying hot water and hot water onto the heat exchanger, a hot water supply pipe from the heat source unit to the nozzle, A blast fan for blowing mist into the bathroom, wherein a reheating means for reheating the hot water and a constant flow valve for supplying a constant flow of hot water are provided in the middle of the hot water supply pipe. The feature is. According to the third feature, there is an advantage that the hot water reaching the nozzle can be maintained at a high temperature and a constant amount, and the mist efficiency can be further improved. Further, the mist sauna device of the present invention has a heat exchanger to which hot water is blown from a heat source device, a nozzle for spraying hot water and hot water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and A blower fan that blows out mist, and a reheating unit that reheats hot water in the middle of the hot water supply pipe are provided, and a pump and a constant flow valve are provided in the hot water supply pipe downstream of the reheating means. The fourth feature is that the components are arranged in order. According to the fourth feature, the reheated high-temperature water is supplied to the nozzle at a constant pressure and a constant flow rate, so that a stable mist spray can be always performed. Further, the mist sauna device of the present invention has a heat exchanger to which hot water is blown from a heat source device, a nozzle for spraying hot water and hot water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and A blower fan for ejecting mist, and a reheating means for reheating the hot water in the middle of the hot water supply pipe, wherein a constant flow valve and a backflow prevention device are provided in the hot water supply pipe upstream of the reheating means. Is a fifth feature. According to the fifth feature, the pump can be omitted, the backflow of the contaminated hot water can be prevented, and high-temperature water can be supplied with a stable amount of hot water. Can be improved. In addition, the mist sauna device of the present invention is characterized in that the mist sauna device is housed inside a bathtub apron in a bathroom. According to the sixth feature, by installing the sauna device in the space between the bathtub and the apron, it is possible to effectively use the narrow bathroom space without obstruction from the outside. it can.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an overall configuration diagram showing one embodiment of a mist sauna device of the present invention. FIG.
FIG. 7 is an overall configuration diagram showing another embodiment of the present invention. FIG.
FIG. 2 is a block diagram showing an electric circuit configuration of the mist sauna device of the present invention.

In FIG. 1, reference numeral 1 denotes a bathroom such as a system bath and a shower room. A heat source unit 2 such as a water heater for supplying hot and cold water from the outside to the bathroom 1 and a bathtub with a water heater is provided. A bathtub is provided inside the bathroom 1. The bathtub is provided with a known bathtub apron 3, and a mist sauna body 4 housed in an elongated rectangular parallelepiped casing is located in a space between the outside of the bathtub and the bathtub apron 3.

A water supply pipe 5 is connected to the heat source unit 2, and a burner (not shown) located therein and a hot water supply pipe 6 for guiding hot water supplied by a hot water supply heat exchanger to a bathroom are connected. is there.

In the mist sauna main body 4 described above, various members necessary for generating mist are stored. Among these members, 7 is a heat exchanger to which hot and cold water from the heat source unit 2 is blown, and is provided through a number of thin plate fins for heat radiation through a pipe. In the vicinity of the heat exchanger 7, there is provided a nozzle 8 for spraying and blowing hot and cold water to the heat exchanger 7, and the nozzle has a circular small hole,
An elongated slit or the like may be used. Further, a blower fan 9 for blowing air is provided below the heat exchanger 7 to blow out the heat-exchanged mist into the bathroom. In addition,
Although not shown, the bathtub apron 3 is provided with an opening for blowing out corresponding to the blower fan 9.

A hot water supply pipe 10 branched from the hot water supply pipe 6 and reaching the nozzle 8 is connected. This hot water supply pipe 1
In the middle of 0, an electric reheating means 11 for reheating the hot and cold water is provided. The reheating means 11 is specifically an electric heater comprising a small capacity water storage tank 12 and a sheathed heater. 13 and a water level switch 14 for controlling the water level in the tank.

Hot water supply pipe 1 downstream of water storage tank 12
At 0, a hot water pump 15 and a constant flow valve 16 are arranged in this order.

A water stopcock 17 and a backflow prevention device 18 having a solenoid valve and a check valve are arranged on the hot water supply pipe 10 upstream of the water storage tank 12. This is to prevent the backflow of the contaminated hot water from the nozzle 8 side to the clean water side.
Further, a temperature detector 19 such as a thermistor is provided at an intermediate position between the nozzle 8 and the heat exchanger 7 to control energization of the electric heater 13. Reference numeral 20 denotes a controller for controlling the mist sauna body, and a ceiling 21 of the bathroom 1
It is fixed to the back of. Reference numeral 22 denotes a remote controller for mist operation, which is attached to the inner wall surface of the bathroom 1.

Next, referring to FIG. 3, the interlocking relationship between the various members described above and the controller 20 will be described with reference to a block diagram.

Referring to FIG.
Is turned on, the solenoid valve 24 in the backflow prevention device 18 is opened via the controller 20, hot water supply is started from the heat source unit 2 and the pump 15 is driven, and high-temperature water is supplied from the nozzle 8 to the heat exchanger 7. It is sprayed toward.

The hot and cold water in the water storage tank 12 is supplied by an electric heater 13.
Heated by The level of the hot water in the water storage tank 12 is controlled by a water level switch 14. Further, the temperature of the hot water blown to the heat exchanger 7 is determined by a temperature detector 19.
The power supply to the electric heater is controlled so that the temperature is detected and reaches a predetermined temperature. The mist generated in the heat exchanger 7 is blown into the bathroom by the blower fan 9.

The hot water supplied from the heat source unit 2 is
Since the water is heated to a high temperature again by the water storage tank 12 as the reheating means 11 and the electric heater 13 provided in the tank, the temperature of the hot water blown from the nozzle 8 becomes high. The temperature of the hot water is preferably set to, for example, about 80 degrees.

The use of a water storage tank and an electric heater as reheating means has advantages, for example, in that control is easy and the whole apparatus can be made relatively small, and is recommended. In order to further reduce the size, it is also recommended to provide an electric heater inside a coiled pipe made of copper.

Further, by providing a constant flow valve 16 in the middle of the hot water supply pipe 10 reaching the nozzle 8, the discharge amount of high-temperature water blown from the nozzle 8 is maintained at a constant amount, and a stable spray amount is always obtained. The mist efficiency can be improved. In particular, the fact that the mist spray amount does not change during the mist operation is comfortable in use. The provision of the pump 15 and the constant flow valve 16 on the downstream side of the reheating means enabled the discharge at a constant flow rate in combination with the pumping force of the pump. This can be recommended to improve the quality of the entire apparatus without being affected by the hydraulic pressure at the installation site where the mist sauna apparatus is installed.

In addition, a blower fan 9, a heat exchanger 7, a nozzle 8, a pump 15, a reheating device 11, and a backflow prevention device 18
By storing the mist sauna body inside the apron 3 of the bath tub, not only can the bathroom space be widely used, but also the hot water in the bathroom can indirectly prevent a decrease in the temperature of hot water during use. It was good.

The above-described embodiment shows a preferred embodiment of the present invention, and the present invention is not limited to this, and various design changes can be made within the scope. For example, even if the pump is omitted as shown in FIG. 2 and the tap water is directly connected, the constant flow valve 25 and the backflow prevention device 26 are arranged in this order from the upstream side in the hot water supply pipe upstream of the reheating means 11. good. The water level switch 14 in the water storage tank 12 is unnecessary because it is directly connected to the water supply. The functions of the other parts are the same as those in FIG. This makes it possible to downsize the entire device somewhat. The point that a certain amount of high-temperature water can be pumped to the nozzle 8 is also shown in FIG.
Is equivalent to

[0022]

According to the present invention, the mist sauna apparatus according to the first aspect of the present invention has a heat exchanger to which hot water is blown from a heat source unit and sprays hot water and hot water onto the heat exchanger. Nozzle, a hot water supply pipe from the heat source device to the nozzle, and a blower fan that blows out mist into the bathroom, and a reheating means for reheating the hot water is provided in the middle of the hot water supply pipe. High-temperature hot water can be sprayed onto the heat exchanger, increasing the amount of heat radiation, enabling efficient mist operation even when the ambient temperature in the bathroom is low or when the insulation of the bathroom is poor. Can be Further, the mist sauna device of the present invention has a heat exchanger to which hot water is blown from a heat source device, a nozzle for spraying hot water and hot water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and A blower fan that blows out mist, and a reheating unit that reheats the hot and cold water in the middle of the hot water supply pipe are provided.The reheating unit includes a water storage tank and an electric heater. There is an advantage that it can be manufactured efficiently and inexpensively with a small size. Further, the mist sauna device of the present invention has a heat exchanger to which hot water is blown from a heat source device, a nozzle for spraying hot water and hot water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and A blast fan that blows out mist, and a reheating means for reheating the hot water and a constant flow valve for supplying a constant flow of hot water are provided in the middle of the hot water supply pipe, so that hot water reaching the nozzles is supplied. There is an advantage that the temperature can be maintained at a high temperature and a constant amount, and the mist efficiency can be further improved. Further, the mist sauna device of the present invention has a heat exchanger to which hot water is blown from a heat source device, a nozzle for spraying hot water and hot water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and A blower fan that blows out mist, and a reheating unit that reheats hot water in the middle of the hot water supply pipe are provided, and a pump and a constant flow valve are provided in the hot water supply pipe downstream of the reheating means. Since they are arranged in order, the reheated high-temperature water is supplied to the nozzle at a constant pressure and a constant flow rate, so that a stable mist spray can be always performed. Further, the mist sauna device of the present invention has a heat exchanger to which hot water is blown from a heat source device, a nozzle for spraying hot water and hot water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and A blower fan for ejecting mist, and a reheating means for reheating the hot water in the middle of the hot water supply pipe, wherein a constant flow valve and a backflow prevention device are provided in the hot water supply pipe upstream of the reheating means. , The pump can be omitted, the backflow of the contaminated hot water can be prevented, and the high-temperature water can be supplied with a stable amount of hot water to improve the mist efficiency. Can be.
In addition, since the mist sauna device of the present invention is housed inside the bathtub apron of the bathroom, by installing the sauna device in the space between the bathtub and the apron, the mist sauna device can be obstructed from outside. In addition, a narrow bathroom space can be effectively used widely, and a decrease in hot water temperature can be prevented.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram showing an embodiment of a mist sauna device of the present invention.

FIG. 2 is an overall configuration diagram showing another embodiment of the present invention.

FIG. 3 is a block diagram showing an electric circuit configuration of the mist sauna device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bathroom 2 Heat source unit 3 Bath apron 7 Heat exchanger 8 Nozzle 9 Blow fan 10 Hot water supply pipe 11 Reheating means 12 Water storage tank 13 Electric heater 14 Water level switch 15 Pump 16 Constant flow valve 18 Check valve 20 Controller

Claims (6)

[Claims] 1. A heat exchanger to which hot and cold water from a heat source device is blown, a nozzle for spraying hot and cold water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and a blast for blowing mist into a bathroom. A mist sauna device comprising a fan and provided with a reheating means for heating the hot water again in the middle of the hot water supply pipe. 2. A heat exchanger to which hot and cold water from a heat source device is blown, a nozzle for spraying hot and cold water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and a blast for blowing mist into the bathroom. A mist sauna apparatus comprising a fan and reheating means for reheating the hot water in the middle of the hot water supply pipe, wherein the reheating means comprises a water storage tank and an electric heater. 3. A heat exchanger to which hot and cold water from a heat source unit is blown, a nozzle for spraying hot and cold water onto the heat exchanger, a hot water supply pipe from the heat source unit to the nozzle, and a blower for blowing mist into the bathroom. A mist sauna device, comprising a fan, provided with a reheating means for reheating the hot water and a constant flow valve for supplying a constant flow of hot water in the middle of the hot water supply pipe. 4. A heat exchanger to which hot and cold water from a heat source device is blown, a nozzle for spraying hot and cold water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and a blast for blowing mist into the bathroom. A fan and reheating means for reheating the hot water are provided in the middle of the hot water supply pipe, and the pump and the constant flow valve are arranged in this order on the hot water supply pipe downstream of the reheating means. A mist sauna device characterized by the following. 5. A heat exchanger to which hot and cold water from a heat source device is blown, a nozzle for spraying hot and cold water to the heat exchanger, a hot water supply pipe from the heat source device to the nozzle, and a blast for blowing mist into the bathroom. A fan and reheating means for reheating the hot water in the middle of the hot water supply pipe, wherein a constant flow valve and a backflow prevention device are arranged in the hot water supply pipe upstream of the reheating means. Characteristic mist sauna equipment. 6. The mist sauna device according to claim 1, wherein the mist sauna device is housed in a bathtub apron of a bathroom.
The mist sauna device according to any one of Items 1 to 5.