JPH03112552A - Hot water mist sauna device - Google Patents

Abstract

PURPOSE:To improve safety by providing a safety control means for outputting a stop operation command to a stop means which stops spraying hot water through a nozzle when a measuring time by a timer amounts to a set time. CONSTITUTION:Control of safety is executed by an equipment stop means 4A incorporated in a controller 4, a timer 4B, and a safety control means 4C. Simultaneously with the starting of spraying hot water through a mist nozzle 14 according to a sauna operation starting command from a main remote controller 26 or a subremote controller 27, the timer 4B to measure a hot water spraying time is started. Thereafter, when a measuring time by the timer 4B amounts to a set time, a safety control means 4C outputs a stop operation command to a stop means 4A. By means of the stop operation command, the stop means 4A opens a water feed valve 28 located in a bypass water feed passage 6A running from a water feed passage 6 to a hot water feed passage 5B2 for a sauna is opened and a bath valve 9 is closed to stop the feed of hot water to the hot water feed passage 5B2 for a sauna.

Description

Detailed Description of the Invention [Industrial Application Field] The first and second inventions provide a mist sauna nozzle that sprays hot water into a sauna space, and a stopper that stops the hot water spray from the nozzle. The present invention relates to a hot water mist nozzle device comprising means.

[Conventional technology]

Conventionally, in hot water mist sauna devices such as those described above, after hot water spraying is started, a stop operation command is given to the stop means either manually or automatically based on abnormality detection of the device. It was limited to those two types.

[Problem to be solved by the invention]

By the way, mist sauna using hot water spray is well known (
, for those who enjoy it, not only promotes health by promoting sweating and promoting metabolism, but also
Because it also has the effect of giving a sense of comfort, people who enjoy mist saunas tend to continue spraying hot water for a long time without stopping the spraying of hot water. Sometimes I fall asleep while receiving it.

However, if a person continues to be sprayed with hot water for a long time, it may actually have an adverse effect on the body, and there is still room for improvement in terms of safety.

The purpose of the first and second inventions is to improve safety with a rational control configuration.

[Means to solve the problem]

A first characteristic configuration of the first invention is a configuration including a mist sauna nozzle that sprays hot water into a sauna space, and a stop means that stops the hot water spray from the nozzle. The present invention is characterized in that it is provided with a timer for measuring the spraying time from the start of the spraying, and a safety control means for giving a stop operation command to the stopping means when the time measured by the timer reaches a set time.

Further, the first characteristic configuration of the second invention is a configuration including a mist sauna nozzle that sprays hot water into a sauna space, and a stop means that stops the hot water spray from the nozzle. A spray amount measuring means for measuring the amount of hot water spray from the start of spraying, and a safety control means for giving a stop operation command to the stopping means when the measured spray amount by the spray amount measuring means reaches a set amount. It is at the point that I have set.

The second characteristic configuration of each of the first invention and the second invention specifies a configuration suitable for implementing the first characteristic configuration of each of the above-mentioned first and second inventions, and A characteristic configuration of No. 2 is that the stopping means is configured to switch the spray from the nozzle to cold water spray and stop hot water spray in response to a stop operation command from the safety control means.

[For production]

According to the first feature of the first aspect of the present invention, if the hot water spraying time is appropriately set in advance, after the hot water spraying starts, the spraying time is measured by the timer, and this measurement time is set in advance. When the set time is reached, the safety control means issues a stop operation command to the stop means to stop hot water spraying. Therefore, it is possible to avoid a situation where hot water spraying continues for an excessively long time without being stopped.

According to the first feature of the second aspect of the present invention, if the hot water spray amount is set appropriately in advance, after the hot water spray starts, the spray amount is measured by the spray amount measuring means, and the measured spray amount is measured by the spray amount measuring means. When the spray amount reaches a preset spray amount, the safety control means issues a stop operation command to the stop means to stop the hot water spray. Therefore, as in the case of the first characteristic configuration of the first aspect of the present invention described above, it is possible to avoid a situation where hot water spraying is continued for an excessively long time without being stopped.

According to the second feature of each of the first and second inventions, since the spray from the nozzle is switched from hot water spray to cold water spray, it is possible not only to simply avoid continuing hot water spray for an excessively long time, but also to Not only can it calm the hot flashes of those who have previously enjoyed the sauna, but it also alerts the users to caution.

〔Effect of the invention〕

As a result of the above, according to the first characteristic configuration of the first and second inventions, it is possible to reliably avoid a situation where a mist sauna using hot water spray is continued for an excessively long time due to comfort. This makes it possible to prevent the adverse effects on the body caused by enjoying the sauna for a long period of time, thereby greatly improving the safety of this type of hot water mist sauna device.

According to the second characteristic structure of each of the first invention and the second invention, a person enjoying hot water spray is given a switch from hot water spray to cold water spray to soothe hot flashes and call attention to the person. This has the advantage of further improving safety.

〔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 (5B+) and a sauna hot water supply path (58g).

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 (582) 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 (5B2), and this pressurization can be carried out regardless of fluctuations in the main water supply pressure in the water supply channel (6) or even in areas where the main water supply pressure is low. The pressurized hot water supply to the mist nozzle (14) by the pressure 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. , 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, and the bathroom (
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 that can be implemented in this hot water supply equipment: general hot water supply mode, hot water supply mode, hot water supply mode, additional hot water supply mode, and sauna mode. There are three types: parallel implementation mode with general hot water supply, parallel implementation mode with rear-end 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 water supply path (5B+) (hereinafter referred to as the bathtub side), and the bath valve (9) is opened, and the bath valve (9) is opened. In response to the 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, thereby starting to supply hot water to the bathtub (12).

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, ,,), the combustion amount of the burner (3) is adjusted to the maximum combustion amount (g, ,,) by adjusting the gas amount adjustment valve (20), and the set hot water is Temperature of hot water supply (tb) and detected water supply temperature (ti)
The opening degree of the bath valve (9) is throttled and adjusted until the above-mentioned calculated combustion amount (g) calculated based on the deviation of and the detected water supply amount (qi) decreases to the maximum combustion amount (g, , , ).

In either case, the gas amount adjustment valve (20) is adjusted or By adding correction to the adjustment of the bath valve (9), the hot water supply temperature for the bathtub (12) is adjusted and maintained at the set hot water supply temperature (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 stop detection 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]

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 example, the set hot water supply temperature (set hot water supply temperature)).
tb) is the set stored water temperature), the changeover valve (lO) is switched to the bathtub side, and the bath valve (9) is switched to the bathtub side, as in the case of the hot water filling mode described above
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 (g), and
Based on the deviation between the hot water temperature (to) detected by the hot water temperature sensor (21) and the set additional hot water temperature (tc), the gas amount adjustment valve (
By adding correction to the adjustment in step 20), the hot water supply temperature for the bathtub (12) is adjusted and maintained at the set additional hot water supply 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
), thereby ending the additional hot water supply to the bathtub (12) for heating the hot water stored in the bathtub.

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 (5B2) (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 (tro-tr)/2 +tro = ts.
・・・・・・・・・・・・(A) Furthermore, based on the deviation between the calculated target water supply temperature (ts) and the detected water supply temperature (ti) and the detected water supply amount (qi), the heat exchanger ( The combustion amount (
g) 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 temperature (to) and the above 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 (tr) 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 A, and Figure 2 shows the adjustment as described above based on this equation (A). Hot water temperature (t) for the mist nozzle (14)
It is a graph showing the relationship between o) and 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
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).

The controller (4) operates as described above based on the sauna operation start/stop command artificially given from the main remote controller (26) outside the bathroom (13) or the sub remote controller (27) inside the bathroom (13). In addition to the function to start and stop sauna operation, the controller (4
) Built-in stop means (4A) and timer (4B)
and is configured to be executed by safety control means (4C).

The specific control content of the above-mentioned safety control is to start hot water spraying from the mist nozzle (14) based on a sauna operation start command from the main remote controller (26) or sub remote controller (27), and at the same time, start hot water spraying. A timer (4B) that measures time is started, and then, when the time measured by this timer (4B) reaches a set time (for example, 15 minutes), the safety control means (4C) activates the stop means (4A). Gives a stop operation command.

This stopping means (4A) is a safety control means (4C).
), by opening the interposed water supply valve (28) and closing the bath valve (9) from the water supply channel (6) to the bypass water supply channel (6A) spanning 5B (5B). , the hot water supply to the sauna hot water supply path (582) is stopped and the cold water supply from the bypass water supply path (6A) to the sauna hot water supply path (SBt) is started instead, thereby causing the mist nozzle (14) to spray. Switch to cold water spray and stop hot water spray.

In other words, by using the safety control described above to automatically stop a mist sauna using hot water spray after a set time has elapsed, it is possible to prevent harmful effects on the body caused by enjoying the sauna for an excessively long period of time. This is to prevent such things from happening.

In addition, the hot water spray is stopped when the set time has elapsed by switching to the cold water spray, so that the cold water spray calms hot flashes in the sauna user and alerts the sauna user. It is designed so that it can be applied.

[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 execution 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 hot water tap (11) will continue to be executed as the execution mode, but the hot water tap (11) will continue to be executed as the execution mode. 11) When the tap is opened, the water flow sensor (
In response to the detection of the eddy current generation in step 24), the mixing control is performed to adjust the detected hot water temperature (too) of the second hot water temperature sensor (25) to the set general hot water temperature (ta) by adjusting the mixing ratio using the mixing valve (8). Start.

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 for the hot water supply temperature (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 any case, the hot water temperature (to) from the heat exchanger (2) is set as the set additional hot water temperature (tc),
While performing reheating hot water at the set reheating hot water temperature (tc) for 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 , the bathtub (12) 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 not opened. In response to the detection of vortex generation by the hot water amount sensor (24) upon opening of 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 temperature (to) from 2) is set as the calculated target hot water supply temperature (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 temperature (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 at the calculated target hot water temperature (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 temperature (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 temperature (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 temperature (to) from the heat exchanger (2) is equal to the calculated target hot water supply temperature (ts) calculated according to the detected room temperature (tr).
), while supplying hot water to the mist nozzle (14) at the calculated target hot water temperature (ts), hot water is 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 temperature (ts) that is lower than the set general hot water supply temperature (ta).

Each remote controller (26), (27) has various setting values (ta, tb, tr) in addition to operating tools for giving operation start/stop commands in each of the aforementioned modes.

etc.), and by placing the sub-remote controller (27) in the bathroom (13), a sauna bather can set the settings while taking a sauna bath in the bathroom (13). This allows you to change the room temperature (tro) 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.
The configuration is such that it is adopted only when set to 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.
Note that the same devices and parts as in the embodiment of the first invention described above are given the same reference numerals as those used in the embodiment of the first invention, and the description thereof will be omitted.

In this example, the controller (4) incorporates a stop means (4A) and a safety control means (4C) as a configuration for implementing safety control to prevent hot water spray saunas from being used for an excessively long period of time. A hot water supply amount sensor (29) as a spray amount measuring means is provided in the hot water supply path (58g). The specific content of safety control is the hot water supply amount sensor (
When the amount of hot water spray (accumulated amount) from the start of hot water spray measured by 29) reaches the set amount, the safety control means (
4C) gives a stop operation command to the stop means (4A), and in response to the provision of this stop operation command, the stop means (4A)
By opening the intervening water supply valve (28) in the bypass water supply channel (6A) and closing the bath valve (9), hot water supply to the sauna hot water supply channel (58g) is stopped and the bypass water supply channel (6A) is opened instead. ) starts supplying cold water to the sauna hot water supply path (5B), thereby switching the spray from the mist nozzle (14) to cold water spray, and stopping the previous hot water spray.

[Another example]

Next, another example will be listed.

(A) In carrying out the first feature of each of the first and second aspects of the present invention, the stopping means may be configured to cut off the hot water supply to the nozzle (14) and stop hot water spraying.

CB) In carrying out the first characteristic configuration of each of the first and second inventions, means for detecting the presence of a person in the sauna space (13) is provided; ) may be configured to cumulatively measure only the spraying time or spray amount when a person is present, and when the measured value reaches a set value, the hot water spraying may be automatically stopped.

[CD Furthermore, in carrying out the first and second inventions,
When the time measured by the timer (4B) reaches the set time or the spray amount measured by the spray amount measuring means (29) reaches the set value and hot water spraying is stopped, a display means is provided to display that fact. It may be provided.

CD) In carrying out the second invention, in the above embodiment, a hot water supply amount sensor (2) is used as a spray amount measuring means.
9) is provided in the sauna hot water supply path (5B,), but there are various configurations of the spray amount measuring means, and for example, the spray amount may be measured as described below.

In other words, in the case of performing the mist sauna alone, all the hot water from the heat exchanger (2) is sprayed from the mist nozzle (14), so in this case, the amount of spray is equal to the water amount senna (1
It is measured by integrating the water supply amount (qi) detected by 6), and in the parallel implementation mode of mist sauna and general hot water supply,
qoo), the water supply temperature detected by the water supply temperature sensor (19) (t
i), the amount of hot water detected by the first hot water temperature sensor (21) (t
o) and the amount of hot water supply (too) detected by the second hot water temperature sensor (25) are known numbers, and the bypass path (7)
Bypass water supply amount (X) from
A) and the bath hot water supply route (5B) are connected to the general hot water supply route (
By solving the following simultaneous equations (1) and (2) with the amount of hot water diverted to the 5A) side (Y) as an unknown quantity, the amount of bypass water supply (X) and the amount of diverted hot water (Y) are calculated. Then, the water supply amount (qi) detected by the water amount sensor (16)
The spray amount may be calculated by successively integrating values obtained by subtracting the calculated diverted hot water amount (Y) from the above amount.

Incidentally, 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 structure of the attached drawings by such entry.

[Brief explanation of drawings]

FIG. 1 and FIG. 2 show an embodiment of the first invention.
The figure is a schematic configuration diagram of the hot water supply equipment, and FIG. 2 is a graph showing the relationship between the amount of hot water supplied to the mist sauna nozzle and the detected room temperature over time. FIG. 3 is a schematic diagram of a hot water supply facility showing an embodiment of the second invention. (13)... Sauna space, (14)...
... Nozzle, (4A) ... Stopping means, (4B)
...Timer, (4C) ...Safety control means, (29) ...Spray amount measuring means.

Claims (1)

[Claims] 1. A mist sauna nozzle (14) that sprays hot water into the sauna space (13), and a stop means (4A) that stops the hot water spray from the nozzle (14). A hot water mist sauna device comprising: a timer (4B) for measuring the spray time from the start of the hot water spray; and a stop means (4A) when the time measured by the timer (4B) reaches a set time. ) A hot water mist sauna device equipped with a safety control means (4C) that gives a stop operation command to the sauna. 2. A hot water mist sauna device comprising a mist sauna nozzle (14) that sprays hot water into the sauna space (13), and a stop means (4A) that stops the hot water spray from the nozzle (14). A spray amount measuring means (29) for measuring the amount of hot water spray from the start of hot water spraying, and a stop means (4A) when the measured spray amount by the spray amount measuring means (29) reaches a set amount. )
A hot water mist sauna device equipped with a safety control means (4C) that gives a stop operation command to the sauna. 3. The hot water mist sauna device according to claim 1 or 2, wherein the stop means (4A) is connected to the safety control means (4c).
) A hot water mist sauna device configured to switch the spray from the nozzle (14) to cold water spray and stop the hot water spray in response to a stop operation command from the nozzle (14).