JP2000055397A - Sauna unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sauna unit in which hot water droplets having large particle size are not sprayed into a bathroom but recovered and reused. SOLUTION: A nozzle 16 is disposed in a sauna unit and the air in a bathroom is sucked and carried to the nozzle 16, along with negative pressure produced by spraying hot water from the nozzle, by means of a fan 21 disposed in the rear of the nozzle 16. It is then heated by mixing with hot water mist and delivered through a duct 11 into the bathroom. Hot water droplets adhering to the inner surface of the duct 11 are stored in a hot water recovery tank 15 and hot water in the tank 15 is reheated and sprayed again from the nozzle 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sauna apparatus provided with a nozzle for spraying hot water in a mist state.

[0002]

2. Description of the Related Art As a conventional sauna apparatus, there is a conventional sauna apparatus in which hot water is sprayed directly into a bathroom in the form of a mist to increase the temperature in the bathroom.

[0003]

However, in the conventional sauna apparatus, since hot water droplets having a relatively large particle diameter than the mist-like hot water are also jetted, these touch the body and are not desirable in terms of bodily sensation. There is a problem,
There is a problem in that hot water is used unnecessarily and resources are wasted.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to prevent hot water droplets having a larger particle size than mist-like hot water from being ejected into a bathroom and to reduce the temperature of the hot water. An object of the present invention is to provide a sauna device that collects and reuses drops.

[0005]

Means for Solving the Problems and Action / Effect of the Invention To achieve the above object, a first aspect of the present invention is a sauna apparatus having a nozzle for spraying hot water in a mist form, wherein the nozzle is installed inside. Along with the negative pressure generated by hot water injection from the nozzle, and the bathroom air sucked by a fan provided behind the nozzle to the nozzle, heated by mixing with the hot water mist, A duct for discharging heated air into the bathroom, a hot water recovery tank for storing hot water mist attached to the inner surface of the duct is provided, and the hot water in the hot water recovery tank is reheated and the nozzle is re-heated. Hot water droplets, which have a relatively large particle size compared to mist-like hot water, adhere to the inner surface of the duct. Because it is removed, the ratio of hot water droplets in the heated air spouting into the bathroom space can be reduced, and the hot water droplets touch the body of the sauna user, giving an unpleasant feeling Inconvenience can be resolved. Furthermore, since the small droplets of hot water adhering to the inner surface of the duct are collected, reheated, and ejected again from the nozzle, the reuse of hot water can be achieved, which is very economical.

According to a second aspect of the present invention, the air intake port and the heated air discharge port of the sauna device are inserted into the air intake opening and the heated air discharge opening previously opened in the front panel of the bathtub. Since it is installed below the end face, the installation is easy and there is no need to provide a special installation place.

According to the third aspect of the present invention, since the presence or absence of a mist can be selected, not only the hot air containing moisture but also the dry hot air containing no moisture can be discharged, and the drying and the moisture in the bathroom are included. Can also be used as no heating.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a configuration diagram of a sauna apparatus according to one embodiment of the present invention. As shown in the figure, the sauna device includes a sauna device body 1, a nozzle 16, a duct 11, a control unit 25, and an operation unit 36.

Hot water at, for example, 60 ° C. is supplied to the nozzle 16 from a hot water supply device (not shown) through a hot water supply connection port 28, and a check valve 27 and a hot water supply electromagnetic valve 22 are provided on the way. Further, a fan 21 is provided behind the nozzle 16, and the negative pressure generated by hot water injection from the nozzle 16 and the bathroom air sucked from the air intake 10 by the fan 21 are formed, for example, in a rectangular cross section. Duct 1
1 and is heated by mixing with the mist sprayed by the nozzle 16 and discharged from the heated air discharge port 14 into the bathroom.

During this time, the mist having a relatively large particle diameter in the heated air generated during the injection of the hot water adheres to the inner surface of the duct 11 while moving through the duct 11, or may be attached to the bent portion of the duct 11. After adhering, it flows down along the inner surface of the duct 11 and flows into the hot water recovery tank 15 to be recovered.

The duct 11 has an air intake port 10 therein.
An intake air temperature detector 32 is provided on the side, and a heated air temperature detector 33 is provided on the heated air outlet 14 side.

The air heater 20 is controlled by ON / OFF control of an electromagnetic valve 35 for the air heater. When the temperature rise in the bathroom is insufficient with only mist, or only when the bathroom is dried (or heated without moisture). Used in case.

On the other hand, the circulation path 12 has circulation connection ports 29, 3
0 to a water heater (not shown), for example,
80 ° C hot water is circulating. The circulation path 12 includes a hot water heater solenoid valve 23, a hot water heater 19 provided in the hot water heating tank 15, an air heater solenoid valve 35, and an air heater 20 provided in the duct 11.
Is provided.

Further, the hot water recovery tank 15 is provided with a water level sensor 18 and a hot water temperature detector 34, and the hot water in the hot water recovery tank 15 is discharged from a drain port 31 through a drain solenoid valve 24. Has become.

The hot water in the hot water recovery tank 15 is heated to, for example, 60 ° C. by the hot water heater 19, and then supplied to the nozzle 16 again through the pump 17 and the check valve 26.

The control of the temperature of the hot water in the hot water recovery tank 15 is performed by controlling the hot water heater electromagnetic valve 23 on and off based on the detection value obtained from the hot water temperature detector 34.

The temperature in the bathroom is controlled by turning on and off the hot water supply electromagnetic valve 22 to control hot water injection from the nozzle 16. The temperature in the bathroom at that time is detected by the intake air temperature detector 32.

Since the amount of hot water injected from the nozzle 16 is controlled and the temperature in the bathroom space is controlled, for example, to 40 ° C., the sauna user in this bathroom can warm his body and Sweating action is promoted.

Here, the control is performed by the on / off control of the hot water supply electromagnetic valve 22, but the amount of hot water injected from the nozzle may be controlled by a water amount valve.

The heated air temperature detector 33 is used as a safety device so that air having an abnormally high temperature is not supplied into the bathroom for some reason.

FIG. 2 is a perspective view showing a state in a bathroom where a sauna apparatus according to one embodiment of the present invention is installed. An air inlet 10 and a heated air outlet 14 of the sauna apparatus main body 1 are provided in the air inlet opening 5 and the heated air outlet 6 previously opened in the front panel 4 covering the side of the bathtub 2.
The bathtub 2 was installed in a closed space surrounded by a wall panel 7 and a waterproof floor pan 8 below the upper end face 3 on one end side in the longitudinal direction of the bathtub 2.

FIG. 3 is a diagram showing the operation when the mist switch is turned on. It is determined whether or not a mist switch (not shown) of the operation unit 36 has been turned on (step S1). When the mist switch is turned on, the fan 21 operates and the air heater electromagnetic valve 35 opens (step S2). ). In step S3, it is determined whether or not the water level of the hot water recovery tank 15 is equal to or higher than a water level A which is near a predetermined overflow water level. If the water level is equal to or higher than the water level A, the drainage electromagnetic valve 24 is opened (step S4). If it is less than the predetermined value, the drain electromagnetic valve 24 is closed (step S5). In step S6, it is determined whether or not the water level in the hot water recovery tank 15 is equal to or higher than a water level B which is near the minimum water level at which a predetermined pump can be operated. It is determined whether the temperature is equal to or higher than a certain value. If the temperature is equal to or higher than the certain value, the hot water supply electromagnetic valve 22 is closed in step S9 and the pump 1
7 is operated to close the electromagnetic valve 23 for the hot water heater.
If the water level is lower than B in step S6, the hot water supply electromagnetic valve 2
2, the pump 17 is stopped (step S10).
Further, if the temperature of the hot water in the hot water recovery tank is lower than the predetermined value in step S7, the hot water heater electromagnetic valve 23 is opened in step S8, and the hot water supply electromagnetic valve 22 is opened in step S10.
The pump 17 is stopped. In step S11, it is determined whether or not the bathroom temperature has reached the temperature set by the operation unit 36. If the temperature is equal to or higher than the set temperature, the hot water supply electromagnetic valve 22 is closed, the fan 21 is stopped, and the air heating heater electromagnetic The valve 35 is closed, the pump 17 is stopped, and the hot water heater electromagnetic valve 23 is closed.
Is closed (step S12), and the process returns to step S1 again.
If the temperature is lower than the set temperature in step S11, the process returns to step S1 again. If the mist switch is off in step S1, the hot water supply electromagnetic valve 22 is closed in step S13,
The fan 21 is stopped, the solenoid valve 35 for the air heater is closed, the pump 17 is stopped, and the solenoid valve 23 for the hot water heater is stopped.
Is closed, and the drain solenoid valve 24 is opened. Then, step S1
In step 4, it is determined whether the water level in the hot water recovery tank has become equal to or lower than the water level B and a predetermined time has elapsed. If it has elapsed, the drain solenoid valve 24 is closed in step S15. Step S14
If not, the process returns to step S1.

FIG. 4 shows the operation when the drying (heating) switch is turned on. It is determined whether or not a drying (heating) switch (not shown) of the operation unit 36 is turned on (step S16). When the drying (heating) switch is turned on, the fan 21 is operated, and the solenoid valve for the air heater is operated. 35 is opened (step S17). In step S18, it is determined whether or not the bathroom temperature has reached the temperature set by the operation unit 36. If the temperature is equal to or higher than the set temperature, the fan 21 is stopped, the solenoid valve 20 for the air heater is closed, and the process proceeds to step S1. Return. If the drying (heating) switch is off in step S16, the process returns to step S1.

That is, when the bathroom is to be used for drying and heating not containing moisture, the mist switch is turned off and the drying (heating) switch is turned on, so that not only hot air containing moisture but also moisture is not contained. Dry hot air can also be discharged.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a sauna device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in a bathroom where a sauna device according to an embodiment of the present invention is installed.

FIG. 3 is a diagram showing an operation when a mist switch is turned on.

FIG. 4 is a diagram showing an operation when a drying (heating) switch is turned on.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sauna apparatus main body 2 Bath tub 3 Upper end surface 4 Front panel 5 Opening for air inlet 6 Opening for heated air outlet 7 Wall panel 8 Waterproof floor pan 10 Air inlet 11 Duct 12 Circulation path 14 Heated air outlet 15 Hot Water Recovery Tank 16 Nozzle 17 Pump 18 Water Level Sensor 19 Hot Water Heater 20 Air Heater 21 Fan 22 Hot Water Supply Solenoid Valve 23 Solenoid Valve for Hot Water Heater 24 Drain Solenoid Valve 25 Controller 26 Check Valve 27 Check Valve 28 Hot Water Connection Mouth 29 Circulation connection port (outgoing) 30 Circulation connection port (return) 31 Drain port 32 Intake air temperature detector 33 Heated air temperature detector 34 Hot water temperature detector 35 Solenoid valve for air heater 36 Operating section

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takayuki Kono 43-1 Uozakihama-cho, Higashinada-ku, Kobe-shi, Hyogo F-term in Japan Yupro Corporation (reference) 3L073 AA01 AA15 AE04 AE05

Claims (3)

[Claims] 1. A nozzle for spraying hot water in a mist form,
A sauna apparatus, comprising: a blower fan, a duct having the blower fan therein, and having an air intake port and an air discharge port, and resupplying the hot water droplets attached to the inner wall of the duct to the nozzle. . 2. An air inlet and an air outlet are provided between a bathtub and a wall of a bath room and between an upper end surface of the bathtub and a front panel of the bathtub, and an opening of the front panel of the bathtub is provided with an air inlet and an air outlet. The sauna device according to claim 1, wherein 3. The sauna apparatus according to claim 1, wherein whether or not mist-like hot water is generated can be selected.