JPH03111050A - Warm water mist sauna device - Google Patents

Abstract

PURPOSE:To adjust and maintain a temperature of a space for a sauna at a desired temperature with high accuracy by providing an adjusting means for adjusting a hot water feed temperature to a nozzle and adjusting a temperature of the space of a sauna. CONSTITUTION:A hot water feed device 1 is provided with a water heating heat exchanger 2 of a fin tube type, a burner 3 and a controller 4 as principal constituting devices. An adjusting means 4 adjusts a temperature of a space 13 for a sauna by adjusting a hot water feed temperature to a nozzle 14. In each hot water feed passage extended and provided from the hot water feed device 1, a general hot water feed passage 5A is connected to a hot water pouring plug 11 such as a mixing plug and a shower plug, etc., a bathtub hot water feed passage B1 is connected to a bathtub 12, and also, a hot water feed passage 5B2 for a sauna is connected to a mist nozzle 14 provided additionally in a bathroom 13. By a pressure pump 15 of the hot water feed passage 5B2 for a sauna, hot water atomization pressure from the mist nozzle 14 is held in designated high pressure, a hot water atomized state from the mist nozzle 14 is held in a state that a fine warm water mist is formed, and a sauna in the bathroom 13 always becomes a state that comfortableness is high as per rating.

Description

[Detailed Description of the Invention] [Industrial Application Field] The first and second inventions provide a hot water mist sauna device equipped with a mist sauna nozzle that sprays hot water supplied from a water heater into a sauna space. Regarding.

[Conventional technology]

Conventionally, in hot water mist sauna devices such as those described above, the temperature of hot water supplied to the mist sauna nozzle and the amount of hot water supplied to the nozzle side are each fixed constant, and as in general steam spray sauna devices, etc. The temperature of the sauna space was adjusted by starting and stopping the spray from the sauna.

[Problem to be solved by the invention]

However, adjusting the temperature of the sauna space by turning on and off hot water spray (hot water spray) makes it difficult to adjust and maintain the temperature of the sauna space at the desired temperature stably and accurately. However, there was still room for improvement in improving the comfort of hot water mist saunas.

In addition, when trying to improve the accuracy of temperature adjustment in the sauna space, the frequency of starting and stopping the hot water spray increases, but this repeated starting and stopping of the hot water spray is one of the factors that impairs the comfort of the sauna. .

The objects of the first and second inventions are to solve the above-mentioned problems by adopting a rational sauna temperature adjustment mode.

[Means to solve the problem]

(First invention) A first characteristic configuration of the hot water mist sauna device according to the first invention is a configuration including a mist sauna nozzle that sprays hot water supplied from a water heater into a sauna space, in which There is provided an adjustment means for adjusting the temperature of the sauna space by adjusting the temperature of hot water.

The second characteristic configuration of the hot water mist sauna device according to the first invention is a configuration suitable for implementing the above-mentioned first characteristic configuration, and the third characteristic configuration of the hot water mist sauna device according to the first invention is a configuration suitable for implementing the above-mentioned first characteristic configuration. The second characteristic configuration is to specify a configuration suitable for implementing the two characteristic configurations, and the second characteristic configuration is a target temperature (t) of the sauna space.
ro) and a detection means for detecting the temperature (tr) of the sauna space, and the adjustment means is configured to adjust the setting target temperature (tro) by the setting means and the temperature detected by the detection means ( The third characteristic configuration is to adjust the hot water supply temperature based on the deviation from the set target temperature (tro) and the detected temperature (tr). Formula (a)
Based on, (tro-tr)/k+tro =ts ・・river・−・−=−(a) (however, k is a positive constant) Calculate the target hot water supply temperature (ts) and set the hot water supply temperature to the nozzle. The present invention is configured to adjust the temperature to the calculated target hot water supply temperature (ts).

(Second invention) The first characteristic configuration of the hot water mist sauna device according to the second invention is that the configuration includes a mist sauna nozzle that sprays hot water supplied from a water heater into a sauna space, and the nozzle side There is provided an adjustment means for adjusting the temperature of the sauna space by adjusting the amount of hot water supplied from the water heater to the sauna.

A second characteristic configuration of the hot water mist sauna device according to the second invention specifies a configuration suitable for implementing the above-mentioned first characteristic configuration, and the second characteristic configuration specifies a configuration suitable for implementing the above-mentioned first characteristic configuration, and the second characteristic configuration is such that the adjustment means is The structure is such that the amount of hot water supplied is adjusted by changing the number of times the nozzle sprays.

[For production]

(First invention) The effect of the first characteristic configuration in the first invention is as follows.

That is, by adjusting the temperature of hot water supplied to the mist sauna nozzle, the amount of heat given to the sauna space by hot water spray from the nozzle can be adjusted, and thereby the temperature of the sauna space can be adjusted.

It should be noted that, as an effect of the second characteristic configuration in the first invention, the adjustment means has a set target temperature (tro) and a detected temperature (tr).
), the temperature of the sauna space can be adjusted and maintained at the above set target temperature (tro) set by the setting means.

Furthermore, as an effect of the third characteristic configuration in the first invention, the calculated target water heater (ts) as the water heater for the nozzle is as follows:
Temperature (t'') of the sauna space detected by the detection means
The lower the temperature is than the set target temperature (tro), the higher the temperature becomes, so the temperature of the sauna space can be quickly raised to the set target temperature (tro), and the detected temperature (t'') is lower than the set target temperature (tro). ), the calculation target water heater (
ts) becomes equal to the set target temperature (tro), and as a result, the temperature of the sauna space is maintained at the set target temperature (tro).

In addition, by appropriately determining k (positive constant) of the coefficient 1/k multiplied by the term (tro - tr) in Equation A, it is possible to suppress the temperature of the sauna space from overshooting during the startup process. obtain.

(Second invention) The effect of the first characteristic configuration in the second invention is as follows.

That is, by adjusting the amount of hot water supplied from the water heater to the mist sauna nozzle side, the amount of heat given to the sauna space by hot water spray from the nozzle can be adjusted, and thereby the temperature of the sauna space can be adjusted.

In addition, the effect of the second characteristic configuration in the second invention is as follows:
By changing the number of nozzles that perform hot water spraying, the amount of hot water supplied from the water heater to the nozzle side is changed and adjusted. Changes in hot water spray characteristics can be suppressed.

〔Effect of the invention〕

(First invention) According to the first characteristic configuration of the first invention, the temperature of the sauna space can be adjusted to a desired temperature, compared to the conventional method where the temperature of the sauna space is adjusted by starting and stopping hot water spray. Adjustment can be maintained stably and accurately, and this combined with the fact that there is no need to repeatedly start and stop the hot water spray has made it possible to improve the comfort of the hot water mist sauna.

According to the second feature of the first invention, since the temperature of the sauna space is adjusted based on the actual detected value, there is an advantage that the temperature of the sauna space can be adjusted and maintained more accurately according to the set target temperature. be.

Moreover, according to the third characteristic configuration of the first invention, the temperature of the sauna space can be raised quickly, so that after the start of operation, the user can enjoy a comfortable hot water mist sauna in a short time with less waiting time. This also has the advantage of further improving comfort by suppressing overshoot in the process of raising the temperature of the sauna space.

(Second invention) According to the first characteristic configuration of the second invention, similarly to the first characteristic configuration of the first invention described above, the temperature of the sauna space can be adjusted by starting and stopping the hot water spray as in the conventional case. Compared to a hot water mist sauna, the temperature of the sauna space can be adjusted and maintained at the desired temperature stably and with high precision. Comfort can be improved.

According to the second feature of the second aspect of the invention, it is possible to suppress a change in the nozzle hot water spray characteristics due to a change in the hot water supply amount, thereby avoiding a decrease in comfort caused by a change in the hot water spray characteristics. This has the advantage that a highly comfortable warm water mist sauna can be stably enjoyed regardless of changes in the amount of hot water supply.

〔Example〕

(First invention) Next, the first invention will be explained in detail.

Figure 1 shows the schematic configuration of the hot water supply equipment, in which (1) shows a fin-tube type water heating heat exchanger (2), a burner (3),
The water heater is equipped with a controller (4) as a main component, and the hot water supply path (5) from the heat exchanger (2) is branched into a general hot water supply path (5A) and a bath hot water supply path (5B), and,
The bath water supply path (5B) is further branched into a bathtub water supply path (5B1) and a sauna hot water supply path (582).

Further, a bypass path (7) branched from the water supply path (6) to the heat exchanger (2) is connected to the general water supply path (5A).

(8) is a heat exchanger (2) in the general hot water supply path (5A).
A mixing valve that adjusts the mixing ratio between the hot water supply from the bath and the bypass water supply from the bypass path (7), (9) is the bath hot water supply path (5B)
The bath valve (10) opens and closes the bath water supply path (5B) and adjusts the amount of hot water supplied in the bath water supply path (5B). This is a switching valve that allows for uniform communication.

Of the above-mentioned hot water supply paths extending from the water heater (1), the general hot water supply path (5A) is connected to the hot water taps (11) such as mixer taps and shower taps.
), the bathtub hot water supply path (5B,) is connected to the bathtub (12), and the sauna hot water supply path (58z) is connected to the bathroom (13).
) is connected to an attached mist nozzle (14).

A pressurizing pump (15) is installed in the sauna hot water supply path (5B,), and this pressurization can be carried out regardless of fluctuations in the main water pressure in the water supply channel (6), or even in areas where the main water pressure is low. The pressurized hot water supply to the mist nozzle (14) by the pump (15) maintains the hot water supply pressure to the mist nozzle (14), in other words, the hot water spray pressure from the mist nozzle (14) at a predetermined high pressure, thereby, The state of hot water spray from the mist nozzle (14) is stably maintained at an appropriate state where a hot water mist as fine as possible is formed.
13) The sauna inside the sauna can always be performed in a highly comfortable state with performance as rated.

There are basically four types of operation modes for this hot water supply equipment: general hot water supply mode, hot water supply mode, hot water supply mode, reheating hot water supply mode, and sauna mode. There are three types: parallel implementation mode with hot water supply and general hot water supply, parallel implementation mode with reheating hot water supply and general hot water supply, and parallel implementation mode with sauna and general hot water supply.
The controller (4) in the water heater (1) is configured to execute each of the above modes as described below.

[General hot water supply mode]

When the tap (11) is opened, the water supply channel (6) is opened.
In response to the water flow sensor (16) detecting the generation of water flow, the gas valve (17) for the burner (3) is opened, and the ignition plug (18) is activated to spark the burner (3). Light it, take it, and tap the hot water tap (11)
Start supplying hot water to.

Then, the deviation between the artificially set general hot water temperature (ta) and the water supply temperature (ti) detected by the water supply temperature sensor (19), and the water supply amount (qi) detected by the water flow sensor (16).
Based on this, the combustion amount (g) required to bring the hot water temperature from the heat exchanger (2) to the set general hot water temperature (ta) is calculated, and the burner (3) is adjusted by adjusting the gas amount adjustment valve (20). Adjust the combustion amount to the calculated combustion amount (g).

Also, based on the deviation between the hot water temperature (to) detected by the first hot water temperature sensor (21) and the set general hot water temperature (ta),
By adding correction to the adjustment of the gas amount adjustment valve (20) mentioned above, the hot water temperature for the hot water tap (11) is set.The general hot water temperature (
ta).

In this general hot water supply mode, the bath valve (9) is closed, and the mixing valve (8) opens the general hot water supply path (5A) and closes the bypass path (7). .

When the tap (11) is closed, the water flow sensor (16) detects that the water flow has stopped and the gas valve (
17) to extinguish the burner (3).

[Hot water supply mode]

When a command to start hot water supply is given, the bath hot water supply path (5B)
The switching valve (lO) is switched to the side that communicates with the bathtub hot water supply path (5B1) (hereinafter referred to as the bathtub side), and the bath valve (9) is opened, and the bath valve (9) is opened. In response to water flow generation detection by the water flow sensor (16), the burner (3) is ignited in the same manner as in the general hot water supply mode described above;
Then, hot water supply to the bathtub (12) is started.

Then, with the bath valve (9) adjusted to the set upper limit opening, the deviation between the artificially set set hot water supply temperature (tb) and the detected water supply temperature (ti) and the detected water supply amount (qi) are determined. Based on the hot water supply temperature (tb), set the hot water temperature from the heat exchanger (2).
), and if the calculated combustion amount (g) is less than the maximum combustion amount (g, n, ) of the burner (3), the bath valve (9) is opened. The combustion amount of the burner (3) is adjusted to the calculated combustion amount (g) by adjusting the gas amount adjustment valve (20) while the degree remains at the set upper limit opening, while the calculated combustion amount (g) is at the maximum. If the combustion amount is larger than the combustion amount (g□1.), the combustion amount of the burner (3) is adjusted to the maximum combustion amount (gffi) by adjusting the gas amount adjustment valve (20), and then the set hot water is filled. Hot water supply section (tb) and detected water supply temperature (t
The above calculated combustion amount (g) calculated based on the deviation of i) and the detected water supply amount (qi) is the maximum combustion amount (gffi,
) Adjust the opening of the bath valve (9) until it decreases to .

In either case, the gas amount adjustment valve (20) is adjusted or By adding correction to the adjustment of the bath valve (9), the temperature of hot water supplied to the bathtub (12) is adjusted and maintained at the set hot water filling part (tb).

In addition, in this hot water filling mode, the mixing valve (8)
The general hot water supply path (5A) is opened and the bypass path (7) is closed.

When a command to stop hot water filling is given, or when the cumulative amount of hot water supplied to the bathtub (12) after starting hot water filling reaches the set hot water filling amount, the bath valve (9) is closed. At the same time, in response to the water flow stoppage detected by the water flow sensor (16), the gas valve (17) is closed to extinguish the burner (3), thereby ending the hot water supply to the bathtub (12). .

[Crash hot water supply mode]

Either a command to start additional hot water supply is given, or the stored hot water temperature (tp) of the bathtub (12) detected by the stored hot water temperature sensor (22) is set to the set stored hot water temperature (in this case, the set hot water supply part (
tb) as the set stored water temperature), the changeover valve (10) is switched to the bathtub side, and the bath valve (9)
At the same time, the burner (3) is ignited in response to water flow generation detection by the water flow sensor (16), and hot water supply to the bathtub (12) is started.

Then, the bath valve (9) is adjusted to the set rear-end collision limit opening for safety reasons, and the fixed rear-end hot water temperature (tc) (for example, a high temperature of 93°C) is adjusted. Based on the deviation from the detected water supply temperature (ti) and the detected water supply amount (qi), calculate the combustion amount (g) required to bring the hot water temperature from the heat exchanger (2) to the set additional hot water temperature (tc). Then, the burner (3) is adjusted by adjusting the gas amount adjustment valve (20).
) is adjusted to the calculated combustion amount, and the gas amount adjustment valve (20 )
By adding correction to the adjustment, the hot water temperature for the bathtub (I2) is adjusted and maintained at the set additional hot water temperature (tc).

In addition, in this additional hot water supply mode, the mixing valve (8)
Both the general hot water supply path (5A) and the bypass path (7) are left open.

If a command to stop the additional hot water supply is given, or the detected stored hot water temperature (tp) rises and recovers to the set stored hot water temperature, or the cumulative amount of additional hot water supply to the bathtub (12) after the additional hot water supply is started. When the value reaches the set rear impact amount, the bath valve (9) is closed as in the case of the hot water filling mode, and the gas valve (17) is closed in response to the water flow stoppage detected by the water flow sensor (16). By closing the valve, the burner (3
) is extinguished, and the additional hot water supply to the bathtub (12) for heating the hot water stored in the bathtub is ended.

In addition, the bathtub (1) detected by the stored hot water temperature sensor (22)
2) Start of additional hot water supply based on the stored hot water temperature (tp),
A separate command to maintain the appropriate temperature has been given for stopping and
The process is executed only when the amount of hot water stored in the bathtub (12) detected by a storage amount sensor (not shown) is equal to or higher than the set lower limit amount.

[Sauna mode]

When a sauna operation start command is given, the bath hot water supply path (5B
) to the sauna hot water supply path (5B,) (hereinafter referred to as
Switch the switching valve (10) to the sauna side (abbreviated as sauna side), open the bath valve (9), and open the bath valve (9) in the same way as above.
The burner (3) is ignited in response to the water flow generation detection by the water flow sensor (16) accompanying the opening of the valve (9), and the pressure pump (3) is ignited.
15) to start supplying hot water to the mist nozzle (14).

Also, the bathroom (13) detected by the room temperature sensor (23)
By adjusting the gas amount adjustment valve (20) based on the room temperature (tr) of the water, the temperature of the hot water supplied from the heat exchanger (2) is adjusted.
The room temperature of a bathroom (13) serving as a sauna room is adjusted and maintained at an artificially set room temperature (tro).

Specifically, the set room temperature (tro) and the detected room temperature (tr
), calculate the target hot water temperature (ts) based on formula (a) below, and calculate the target hot water temperature (ts) as follows: (tro-tr)/2 +tro = ts =
-Ci) Furthermore, based on the deviation between the calculated target hot water temperature (ts) and the detected water supply temperature (ti) and the detected water supply amount (qi), the hot water temperature from the heat exchanger (2) is adjusted to the calculated target temperature. The combustion amount (g) required to reach the hot water supply temperature (ts) is calculated, and the combustion amount of the burner (3) is adjusted to the calculated combustion amount (g) by adjusting the gas amount adjustment valve (20).

Also, like the other modes described above, the first hot water temperature sensor (2
1) The detected hot water source (to) and the calculated target hot water temperature (to)
Based on the deviation from the above gas amount adjustment valve (20)
By adding correction to the adjustment of
s).

Then, the detected room temperature (t') is read, the target hot water supply temperature (ts) is calculated for the read detected room temperature (tr), and the gas amount adjustment valve (
The above-described series of control operations of adjustment 20) are repeatedly executed at predetermined time intervals even after the start of hot water supply, thereby adjusting and maintaining the room temperature (tr) of the bathroom (13) at the set room temperature (tro).

Equation (A) above is based on the detected room temperature (t) at the beginning of sauna operation.
r) is still low, and the detected room temperature (tr) and set room temperature (tr) are still low.
(t
It is set to suppress room temperature overshoot by multiplying the term ro - tr) by a coefficient called ku, and Figure 2 shows the adjustment as described above based on this equation (a). Hot water temperature for the mist nozzle (14) (
2 is a graph showing the relationship between the temperature (to) and the detected room temperature (tr) over time.

In addition, the calculated target hot water temperature (ts) calculated based on formula (A)
is the set upper limit hot water supply temperature (in this example, the set additional hot water supply temperature (t
If the temperature is higher than the temperature equal to c), the water supply temperature to the mist nozzle (14) (heat exchanger (
Adjust the hot water supply temperature (to) from 2) to the set upper limit hot water supply temperature.

In this sauna mode, the bath valve (9) is fully opened, and the mixing valve (8) is in a state where both the general hot water supply path (5A) and the bypass path (7) are open.

When a sauna operation stop command is given, the pressure pump (15
) and close the bath valve (9), and in response to the water flow stoppage detected by the water flow sensor (16), the gas valve (17) is closed to extinguish the burner (3), This completes the supply of hot water to the mist nozzle (14) for sauna in the bathroom (13).

[Parallel implementation mode of hot water supply mode and general hot water supply] If the hot water tap (11) is opened during execution of the hot water supply mode described above, the opening is determined by the general hot water supply path ( Although it is recognized when the vortex generation is detected in step 5A), the hot water filling mode continues to be executed as the execution mode.

In addition, if a hot water filling start command is given during execution of the general hot water supply mode described above, the execution mode is switched from the general hot water supply mode to the hot water filling mode and the switching valve (10)
is switched to the bathtub side, the bath valve (9) is opened, and the adjustment target of the hot water supply temperature (to) from the heat exchanger (2) is set to the set hot water supply temperature (tb).

That is, in either case, hot water is supplied to both the bathtub (12) and the tap (11) at the set hot water filling temperature (tb), with priority given to the hot water temperature during hot water filling.

In addition, in the hot water supply mode, the amount of hot water supplied to the bathtub (12) is basically calculated by integrating the amount of water supplied (qi) detected by the water flow sensor (16). During the parallel implementation with water flow sensor (
The value obtained by subtracting the amount of hot water (qoo) detected by the hot water amount sensor (24) from the amount of water supplied (qi) detected in step 16) is integrated.

[Parallel implementation/implementation mode of rear-end hot water supply and general hot water supply] If the hot water tap (11) is opened during execution of the above-mentioned rear-end hot water supply mode, the rear-end hot water supply mode will continue to be executed as the execution mode, but the hot water supply In response to the detection of vortex generation by the hot water flow sensor (24) when the tap (11) is opened, the hot water temperature (too) detected by the second hot water temperature sensor (25) is set by adjusting the mixing ratio by the mixing valve (8). Mixing control to adjust to the general hot water temperature (ta) is started.

Furthermore, if a command to start additional hot water supply is given during the execution of the aforementioned general hot water supply mode, the execution mode is switched from the general hot water supply mode to the additional hot water supply mode, and the switching valve (10)
switch to the bathtub side, open the bath valve (9), set the adjustment target of the hot water supply section (TO) from the heat exchanger (2) to the additional hot water supply temperature (tc), and then open the mixing valve. (
8) Start the above-mentioned mixing control by adjustment.

That is, in either case, the hot water supply section (to) from the heat exchanger (2) is set as the set additional hot water supply temperature (tc), and the hot water supply part (to) from the heat exchanger (2)
12), the heat exchanger (
2) The hot water at the set rear hot water temperature (tc) and the bypass path (
By adjusting the mixing ratio with the water supplied from 7) using the mixing valve (8), hot water is supplied at the set general hot water temperature (ta).

In addition, in the additional hot water supply mode, the amount of additional hot water supplied to the bathtub (12) is basically calculated by integrating the amount of water supplied (qi) detected by the water flow sensor (16), as in the hot water filling mode. , during parallel hot water supply and general hot water supply, the water supply amount (q
i), the detected hot water amount (qoo) of the hot water amount sensor (24), the detected water supply temperature (ti), the set additional hot water supply temperature (tc) (or the detected hot water temperature (to) of the first hot water supply temperature sensor (21)), and , based on the set general hot water temperature (ta) (or the detected hot water temperature (too) of the second hot water temperature sensor (25))
) is calculated, and this calculated value is integrated.

[Parallel implementation mode of sauna and general hot water supply] If the hot water tap (11) is opened during execution of the sauna mode described above, the sauna mode continues as the execution mode, but the hot water tap (11) is opened. In response to the detection of vortex generation by the hot water flow sensor (24) associated with the tap, mixing control by adjusting the mixing valve (8) is started.

In addition, if a sauna operation start command is given during execution of the general hot water supply mode described above, the execution mode is switched from the general hot water supply mode to the sauna mode, and the switching valve (10)
Switch to the sauna side and open the bath valve (9),
At the same time, the pressure pump (15) is started and the heat exchanger (
The adjustment target of the hot water supply unit (to) from 2) is set as the calculated target hot water supply unit (ts) according to the above-mentioned formula (A), and then mixing control by adjusting the mixing valve (8) is started.

In any case, the calculated target hot water supply unit (ts)
changes sequentially depending on the detected room temperature (tr),
Mixing control by adjusting the mixing valve (8), that is, adjusting the mixing ratio between the hot water in the calculated target hot water supply section (ts) from the heat exchanger (2) and the water supplied from the bypass path (7). Then, the detected hot water temperature (too
) to the set general hot water temperature (ta), the calculated target hot water supply unit (ts) (or the detected hot water temperature (to) of the first hot water temperature sensor (21)) is lower than the set general hot water temperature (ta). is also executed only when the temperature is high, and calculates the target hot water supply unit (ts) (or the detected hot water temperature (to) of the first hot water temperature sensor (21))
If the temperature is below the setting - general hot water temperature (ta), the mixing valve (8
) opens the general hot water supply route (5A) and opens the bypass route (
7) is in a closed state.

That is, in this sauna and general hot water supply parallel execution mode, the hot water supply section (to) from the heat exchanger (2) is operated at the calculated target hot water supply section (ts) calculated according to the detected room temperature (tr).
), while hot water is being supplied to the mist nozzle (14) at the calculated target hot water supply unit (ts), hot water is being supplied to the hot water tap (11) at the set general hot water temperature (ta), or
If this is not possible due to the configuration, hot water is supplied at a calculated target hot water supply section (ts) that is lower than the set general hot water supply temperature (ta).

In Fig. 1, (26) and (27) respectively give operation start/stop commands in each mode mentioned above, and each set value (t
a, tb, tro, etc.), and the sub remote controller (27) is a main remote controller and a sub remote controller for setting the room temperature (a, tb, tro, etc.). It is located in the bathroom (13) so that you can change the settings of (tro) etc. according to your preference.

Furthermore, the main remote controller (26) and the sub remote controller (27) are designed so that different values can be set for a type of setting value, but the values set in the sub remote controller (27) are Turn the priority switch in the controller (27) to O.
This is a configuration that is adopted only in the state of N.

The above-mentioned room temperature sensor (23) is attached to the sub-remote controller (27).

(Second invention) Next, an embodiment of the second invention will be described based on FIG.
In FIG. 3, the same parts as those in the embodiment of the first invention described above are given the same reference numerals as used in the detailed description of the first invention, and the description thereof will be omitted.

The sauna hot water supply path (5B) is connected to multiple mist nozzles (14
) When connecting the branch to the sauna hot water supply path (5B,)
Each of the branch paths (a) is provided with an end solenoid valve (V) that individually cuts off and on the supply of hot water to each mist nozzle (14).

On the other hand, the controller (4) that controls operation controls sauna mode,
In each of the parallel implementation modes of sauna and general hot water supply, the room temperature (t'') of the bathroom (13) as a sauna room detected by the room temperature sensor (23), and the remote controller (26) as a setting means. The room temperature (tr ) is adjusted and maintained at a set room temperature (tro).

In other words, the lower the detected room temperature (t'), the larger the number of spray nozzles, and the higher the detected room temperature (tr), the smaller the number of spray nozzles. By adjusting the amount of hot water supplied from the mist nozzle (14) to the nozzle side, the amount of heat given to the bathroom (13) by hot water spray from the mist nozzle (14) group is adjusted, thereby increasing the room temperature (tr) of the bathroom (13). ) Set room temperature (
(tro) to maintain the adjustment.

[Another example]

Next, other embodiments of the first invention and the second invention will be listed.

(a) In the first invention, the temperature of hot water supplied to the nozzle (14) may be adjusted by adjusting the mixing ratio of the hot water supplied from the water heater (1) and the water mixed therewith.

(b) In the first invention, the sauna space (13)
When adopting a configuration in which the temperature of hot water supplied to the nozzle (14) is adjusted based on the deviation between the detected temperature (tr) and the set target temperature (tro), what is the specific correlation between the deviation and the hot water temperature? Various changes can be made in setting the relationship.

(C) In the first invention, adjusting the temperature of the sauna space (13) to the set target temperature (tro) by adjusting the hot water temperature may be performed using feedforward control; Until the temperature of (13) rises to the set target temperature (tro) or a temperature close to it, the temperature of hot water supplied to the nozzle (14) is fixed at a predetermined high temperature to improve start-up performance. Also good.

(d) In the second invention, instead of adjusting the amount of hot water supplied from the water heater (1) to the nozzle side by changing the number of sprays performed by the nozzle (14), the nozzle (14)
) may be kept constant, and the amount of hot water supplied to the nozzle side may be adjusted by appropriately adjusting the flow rate regulating valve.

(e) Also in the second invention, the temperature of the sauna space (13) is set to the target temperature (tro) by adjusting the amount of hot water supplied.
The detected temperature of the sauna space (13) is adjusted to
Instead of performing feedback control based on tr), feedforward control may be used, and the temperature of the sauna space (13) may rise to the set target temperature (tro) or a temperature close to it. Until then, the amount of hot water supplied to the nozzle side may be fixed at a predetermined large amount to improve start-up performance.

(f) In each of the first invention and the second invention, the water heater (1) is not limited to an instantaneous type but can also be of a storage type, and its heating type may also be gas fueled. formula,
Any heating type may be used, such as a liquid fuel type or an electric heating type.

FIG. 4 shows another embodiment of the first invention using an electric water heater (hot water storage type), where (1') is the electric water heater, (2
8) is a water supply channel (29) for mixing hot water from the water heater (1').
), and the controller (4) controls the mist sauna nozzle (14) by adjusting the mixing valve (28) while feeding back the hot water temperature detected by the hot water temperature sensor (30). The temperature of the sauna space (13) (room temperature sensor (2)
3) The temperature (tr) detected by step 3) is adjusted to the target temperature (set temperature (tro)).

In Fig. 4, (31) is a solenoid valve for intermittent hot water supply to the mist sauna nozzle (14), (32) is a water supply pressure reducing valve for the electric water heater (1'), and the fourth In the configuration shown in the figure, those having the same functions as those shown in the above-mentioned embodiment are given the same reference numerals as used in the above-mentioned embodiment, and the explanation thereof will be omitted.

Note that although reference numerals are written in the claims section for convenient comparison with the drawings, the first and second inventions are not limited to the structures shown in the accompanying drawings.

[Brief explanation of drawings]

1 and 2 show an embodiment of the first invention, FIG. 1 is an equipment configuration diagram, and FIG. 2 is a graph showing the relationship between hot water supply temperature and room temperature. FIG. 3 is an equipment configuration diagram showing an embodiment of the second invention. FIG. 4 is an equipment configuration diagram showing another embodiment of the first invention. (1)...Water heater, (4)...Adjustment means, (13)...Sauna space, (14)...Nozzle, (23) )...detection means, (26), (27)...setting means.

Claims (1)

[Claims] 1. Supply hot water from the water heater (1) to the sauna space (13)
A hot water mist sauna device equipped with a mist sauna nozzle (14) that sprays water onto the water, the nozzle (14)
The sauna space (1
A hot water mist sauna device provided with an adjustment means (4) for adjusting the temperature of step 3). 2. Setting means (26), (27) for setting the target temperature (tro) of the sauna space (13), and detection means (2) for detecting the temperature (tr) of the sauna space (13).
23), and the adjusting means (4) is connected to the setting means (
The hot water mist sauna apparatus according to claim 1, wherein the hot water mist sauna apparatus is configured to adjust the hot water supply temperature based on the deviation between the set target temperature (tro) according to (26) and (27) and the detected temperature (tr) by the detection means (23). 3. Adjust the adjustment means (4) to the set target temperature (tr
o) and the above detected temperature (tr), based on the following formula (a), (tro-tr)/k+tro=ts...
(A) (where k is a positive constant) A configuration in which a target hot water supply temperature (ts) is calculated and the hot water temperature to be supplied to the nozzle (14) is adjusted to the calculated target hot water supply temperature (ts). The hot water mist sauna device according to claim 2. 4. Supply hot water from the water heater (1) to the sauna space (13)
A hot water mist sauna device equipped with a mist sauna nozzle (14) that sprays water to the sauna space (13) by adjusting the amount of hot water supplied from the water heater (1) to the nozzle side. A hot water mist sauna device provided with an adjustment means (4) for adjusting the temperature of the sauna. 5. Claim 4, wherein the adjusting means (4) is configured to adjust the amount of hot water supplied by changing the number of times the nozzle (14) performs spraying.
The hot water mist sauna device described.