JPH07275151A - Unit bath - Google Patents

Abstract

PURPOSE:To quickly supply hot water to the hot water supply place such as the mixing stopcock and a shower in a bathroom. CONSTITUTION:A hot water heat insulating tank 18 is installed to a ceiling space part 16 of a bathroom 20 in a unit bus. A hot water supply tube 35 is connected to a mixing stopcock 37 located outside of the room and the hot water produced by the hot water supply device is stored in a tank 18. When the stopcock 37 is opened, the hot water in the tank 18 passes through the hot water supply tube 35 and is supplied to a faucet 39 of the mixing stopcock 37 an a shower 38. Thus, by installing the tank 18 at the ceiling space part 16 other than in the bath room 20, the piping distance of the tube 35 from the tank 18 to the stopcock 37 is shortened, the hot water supply is ready, and the bathroom 20 can be widely used.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit bath provided with a hot water supply heat source.

[0002]

2. Description of the Related Art FIG. 6 shows the structure of a conventional unit bath having a hot water supply heat source. This unit bath is disclosed in Japanese Patent Application Laid-Open No. 3-217725, in which the bottom surface of the bathroom is formed by a waterproof pan 1, and a counter 3 is horizontally provided between the upper side wall of the waterproof pan 1 and the bathroom wall 2. Further, a counter apron 4 is provided on the tip side of the counter 3 to form a storage chamber 5, and a hot water mixing device 6 as a hot water supply heat source is provided in the storage chamber 5.

A water heater (water heater) 7 is installed outside the bathroom, and a hot water supply pipe 8 and a water supply pipe 10 of the hot water supply device 7 are connected to a hot water mixing device 6, and the hot water mixing device 6 supplies hot water. The hot water supplied from the vessel 7 and the water supplied from the water supply pipe 10 are mixed to produce hot water having the temperature set by the temperature setter 11a of the operating unit 11.

A pipe line 12 is connected to the hot water mixing device 6, and a sprinkling nozzle 13 is provided at the tip side of the pipe line 12. The tip side of the sprinkling nozzle 13 is the bottom surface of the waterproof pan 1 and the counter apron 4. The hot water produced by the hot water mixing device 6 is exposed through the opening 12 formed in the bathroom through the opening 14 formed between the hot water mixing device 6 and the bottom of the hot water mixing device 6.
It is led to the sprinkling nozzle 13 through the sprinkling nozzle, and the sprinkling nozzle 13 sprinkles water on the bottom of the bathroom to heat the floor of the bathroom. Then, when the floor surface temperature detected by the temperature sensor 15 reaches a predetermined temperature, the supply of hot water to the hot water sprinkling nozzle 13 is stopped. By providing the above-mentioned running water heating means in the bathroom, when entering the bath in the cold season of winter, if the bathroom floor surface is heated before entering the bathroom, without feeling the coldness of the bathroom floor surface, This means that you can comfortably take a bath.

[0005]

However, since the above-mentioned conventional unit bath is a system in which the storage chamber 5 is provided so as to project into the bathroom, there is a problem that the effective use space in the bathroom is greatly narrowed. Particularly, in a housing situation where the bathroom space is narrow, it is a serious problem that the storage room 5 narrows the bathroom.

Of course, in order to widen the effective use space of the bathroom, there has been proposed a method of directly heating the hot water of the water heater 7 to the sprinkling nozzle 13 and heating the floor without providing the storage chamber 5. However, in general, the water heater installed outdoors is often installed at a position away from the bathroom due to housing conditions and the like, and when starting the hot water heating of the bathroom floor surface by the spray nozzle 13, first, The cold and cold water in the pipe between the water heater and the water sprinkling nozzle 13 is first jetted from the water sprinkling nozzle 13, and the hot water of the water heater will not be sprinkled until after a while. There is a problem that it takes too much time until the hot water is sprayed from the hot water spray nozzle 13 after the switch of the hot water heating is turned on.

Usually, when running hot water on the floor of a bathroom, after turning on the switch for running hot water, the user undresses and enters the bathroom, but preferably, it takes several tens of seconds from pressing the switch to undressing. In the meantime, it is desirable that the running water heating on the bathroom floor be completed within 1 minute at the latest. However, as mentioned above, if it takes a long time for the hot water in the water heater to come out of the hot water nozzle 13, even if the bather finishes undressing and tries to enter the bathroom, the hot water heating does not start yet, or the hot water heating In many cases, the inconvenience of having to wait for entering the bathroom with a cold feeling until the heating of the running water is over occurs.

The present invention has been made to solve the above problems, and an object thereof is to prevent the effective use space in a bathroom from being narrowed, and moreover, to start the flow within a short time after the start of hot water heating. It is to provide a unit bath that can terminate hot water heating.

[0009]

In order to achieve the above object, the present invention is constructed as follows. That is, in the unit bath of the present invention, a warm water warming tank equipped with a warming heater is installed in the space above the ceiling of the bathroom, and the hot water warming tank is connected to the hot water supply passage of the water heater for supplying hot water into the tank. Is configured.

In the bathroom, a hot water heating nozzle for spraying hot water is provided on the floor of the bathroom, and a hot water heat retaining tank is used as a hot water heating heat source for supplying hot water to the hot water heating nozzle.
It is also a characteristic configuration of the present invention that the hot water keeping tank is used as a mixed water faucet in the bathroom and at least one hot water supply heat source for the shower and the bath.

[0011]

In the present invention having the above structure, the hot water in the hot water keeping tank is kept at a constant hot water temperature by the warming heater,
By guiding the hot water in the hot water keeping tank to the running water heating nozzle in the bathroom, the hot water is sprayed from the running water heating nozzle to the bathroom floor surface to achieve the bathroom heating. Since the hot water insulation tank is installed in the space above the ceiling of the bathroom, the conduit from the hot water insulation tank to the running water heating nozzle is very short,
Since the hot water in the hot water keeping tank is sprayed immediately after the start of the hot water heating, the hot water heating in the bathroom can be completed in a short time.

Further, by supplying hot water from the hot water insulation tank to the mixed faucet, shower or bathtub in the bathroom, hot water is ready to be discharged from the mixed faucet, used for the shower and filled in the bathtub. Done.

[0013]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a first embodiment of the unit bus according to the present invention. In the figure, an in-ceiling space portion 16 in which a ventilation device 17 is arranged is formed in the in-ceiling space of a bathroom of a unit bath, and the in-ceiling space portion 16 is used to keep warm water in the in-ceiling space portion 16. A tank 18 is installed. That is, the waterproof pan 22 is installed on the back side of the ceiling panel 21 of the bathroom 20, and the hot water keeping tank 18 is placed on the waterproof pan 22. The waterproof pan 22 has a drain hole 23 formed therein, and when water is collected in the waterproof pan 22 through the drain hole 23, the water is dropped into the bathroom 20.

FIG. 2 shows the construction of the warm water heat retaining tank 18 and its piping configuration. A tank body 25 is housed in a tank case 24, and the tank body 25 has a hot water supply passage 27 of a water heater 26 provided outdoors. Are connected to each other via a faucet 28, and the hot water of the water heater 26 is supplied into the tank body 25.

A heat pipe 30 is provided inside the tank body 25 so as to project from the bottom side through the bottom wall, and the heat pipe 30 transfers the heat of a heat insulation heater 31 provided at the bottom portion to the inside of the tank body 25. The temperature of the hot water in the tank body 25 is maintained by being transmitted to the hot water.

A control device 32 is provided in the tank case 24. The on / off control of the thermo switch 33 by the control device 32 controls the driving of the warming heater 31 to remove hot water in the tank body 25. The temperature is kept at the set temperature.

A main pipe 34 is connected to the upper side of the tank body 25. In addition, a mixed faucet 37 with a thermostat is installed in the bathroom 20, and a shower 38 is installed in the mixed faucet 37.
The hot water of the mixed faucet 37 is connected to the Karan 39 side and the shower 38
It is possible to freely switch to the side. The mixed water faucet 37 and the main pipe 34 of the hot water keeping tank 18 are connected by a hot water supply pipe 35.

This embodiment is constructed as described above,
Next, the operation will be described. Water heater 26 to hot water insulation tank
The faucet 28 (Fig. 2) of the hot water supply passage 27 connected to 18 is normally kept open, and the water heater 26 to the tank body 25
The hot water introduced into the tank main body 25 is kept at a preset temperature by the warming heater 31 and is filled in the tank body 25.

In this state, when the mixing faucet 37 is opened and the hot water of the calan 39 or the shower 38 is used, the tank body 25
The hot water inside is mixed with tap water pressure through the hot water pipe 35
Is supplied to and used for hot water. At the same time, when the mixed faucet 37 is opened, hot water in the hot water supply device 26 is burned by the water in the hot water supply passage 27, the hot water produced by the hot water supply device 26 is replenished in the tank main body 25, and the tank main body 25 is Always maintain a state of being filled with hot water.

According to this embodiment, since the warm water keeping tank 18 is installed in the space 16 above the ceiling of the unit bath, the length of the pipe from the warm water keeping tank 18 to the faucet 37 becomes short, and the faucet Hot water at the set temperature of the hot water insulation tank 18 will come out within an extremely short time after opening 37, and you will not feel uncomfortable because the hot water does not come out easily, and use it in a refreshing mood. You can

The warm water keeping tank 18 is originally a space above the ceiling which is opened for installing the ventilation device 17 and the like.
Since it is installed using 16 spaces, it is a warm water heat insulation tank
There is no need for a hand space to create a dedicated space for installing the 18, and the installation construction of the hot water insulation tank 18 is extremely easy.

Further, as described above, since the warm water keeping tank 18 is installed in the space 16 above the ceiling of the unit bath, the warm water keeping tank 18 can be installed by protruding to the bathroom side as in the conventional example. Since it is not necessary to provide a dedicated storage room, the effective use space in the bathroom is not reduced by that much, and the bathroom space can be used extensively.

Further, the warm water heat retaining tank 18 has a heat retaining heater.
31 is provided and configured to keep the temperature of the hot water in the tank body 25 at the set temperature, so that the fluctuation of the hot water temperature supplied from the warm water keeping tank 18 to the bathroom is suppressed and a stable hot water temperature is obtained. The effect of being able to supply is obtained. That is, when hot water is supplied to the hot water supply location from the warm water heat retaining tank 18 to the bathroom 20, the cold water in the path from the water heater 26 to the warm water heat retaining tank 18 enters the warm water heat retaining tank 18 and the tank body
The temperature of the hot water in 25 decreases, but at this time, the control device 32 senses the decrease in the hot water temperature and turns on the thermoswitch 33 to heat the warming heater 31. As a result, the hot water supply passage 27
Suppresses the decrease in hot water temperature due to cold water entering.
Then, after the cold hot water in the hot water supply passage 27 enters the tank main body 25, the hot water produced by the water heater 26 is supplied to the tank main body 25.
Since it goes inside, the temperature of the hot water in the tank body 25 is raised,
Since the set temperature of the hot water is restored, the tank body 25
The temperature of the hot water supplied within 20 falls within the permissible range of minute fluctuations. As a result, even if the water heater 26 is installed at a remote location outside the room, there is no large change in the hot water temperature at the start of hot water supply, and stable hot water can be transferred from the hot water insulation tank 18 to the place where the hot water in the bathroom is used. You can continue to supply.

FIG. 3 shows a second embodiment of the present invention. In this embodiment, the hot water in the warm water keeping tank 18 is showered.
In addition to leading to the mixed faucet 37 with 38, a ceiling shower 46 provided on the bathroom ceiling side and a running water heating nozzle provided on the lower side of the bathroom side wall
The structure other than that is the same as that of the first embodiment.

In this embodiment, the hot water in the warm water keeping tank 18 is led to the mixing faucet 37 side and the water quantity control valve 48 side, respectively.
As shown in FIG. 3B, the water amount control valve 48 has a water supply passage.
50 and a hot-water passage 51 for hot water supplied from the warm water insulation tank 18.
The water supply passage 50 and the hot water passage 51 are respectively provided with water amount control members 52 and 53 known under the trade name of high-cut governor, and the water flow rate and the hot water flow rate are proportional to each other. Is set. The water supply passage 50 and the hot water passage 51 are integrated with the main passage 54 on the outlet side, and when passing through the main passage 54, the water in the water supply passage and the hot water in the hot water passage are mixed. An opening / closing control valve 55 such as a solenoid valve is provided in the main passage 54, and the outlet of the main passage 54 is a shower heating passage for supplying hot water to a ceiling shower 46 provided on the ceiling side of the bathroom.
56 and a hot water heating passage 57 that supplies hot water to the hot water heating nozzle 47, the shower heating passage 56 is connected to the ceiling shower 46 on the ceiling side, and the hot water heating passage 57 is connected to the hot water heating nozzle. ing.

According to this embodiment, for example, the controller 32
By turning on a bathroom heating switch provided on a remote controller (not shown) or the like connected to the control device 32, the control device 32 opens the opening / closing control valve 55, and the hot water (for example, 60 ° C.) in the hot water keeping tank 18 has an amount of water. As it passes through the control valve 48, it is mixed with water to create hot water of a desired temperature, and this hot water is sprayed as a shower jet from the ceiling shower 46 on the bathroom ceiling side into the bathroom, while the hot water heating nozzle is used. Hot water is sprayed from 47 toward the bottom of the bathroom.

As the hot water heating nozzle 47 sprays hot water on the bathroom floor in this way, the bathroom floor is warmed in a short time, and the air in the bathroom is sprayed from the ceiling side. Is quickly warmed by the shower flow of, and the bathroom is efficiently heated within a short time after the operation of the bathroom heating is started and before the dressing is completed.

Also in this embodiment, the warm water keeping tank 18
Is installed in the space 16 above the ceiling of the unit bath,
The hot water is ready and you can comfortably use the hot water in the bathroom.

Further, as in the first embodiment, the warm water heat retaining tank 18 is installed in the space 16 above the ceiling of the unit bath. Therefore, even if the warm water heat retaining tank 18 is provided, the bathroom is not narrowed, and the bathroom is The usage space of can be widely used.

FIG. 4 shows the piping configuration of the hot water heat retaining tank provided in the unit bath according to the third embodiment of the present invention. The warm water insulation tank 18 of FIG.
It is installed in the space 16 above the ceiling of the unit bath in the same manner as in each of the above embodiments. In this embodiment, the hot water supply pipe 35 connected to the tank body 25 is branched and the hot water supply pipe 58 is connected, and the hot water supply pipe 58 is connected to the bathroom as in the second embodiment. It is connected to the installed hot water heating nozzle 47. A control valve 60 such as a solenoid valve is disposed in the hot water supply pipe 58, and by opening the control valve 60, the hot water in the tank body 25 is directly guided to the hot water heating nozzle 47, and the hot water heating nozzle is provided. Hot water is sprayed from 47 to heat the bathroom floor.

Further, one end side of a branch pipe 36 is connected to the main pipe 34, and the tip end side of the branch pipe 36 is connected to a hot water inlet of a manual mixing valve 42 via a check valve 41. Check valve 43 at the water inlet of manual mixing valve 42
The water supply introduction pipe 44 is connected via the, and the hot water added from the tank body 25 side and the water introduced through the water supply introduction pipe 44 are mixed by the manual mixing valve 42, and the mixed hot water is a pipe. It is designed to be guided to the hot water tap 62 in the bathroom through the path 61, and you can open the hot water tap 62 to use hot water,
Alternatively, hot water can be dropped into the bathtub 63 to fill the water.

The manual mixing valve 42 is provided with a temperature control knob 64. By operating the temperature control knob 64, the mixing ratio of hot water and water can be changed, and the hot water supplied through the pipe line 61 can be changed. The temperature can be adjusted.

Also in this embodiment, the warm water keeping tank 18 is used.
Is installed in the space 16 above the ceiling of the unit bath, whereby the hot water is ready immediately and the bathroom can be widely used, which is the same effect as the first and second embodiments.

The present invention is not limited to the above-mentioned embodiments, and various embodiments can be adopted. For example, in the third embodiment, the hot water temperature adjusting operation of the manual mixing valve 42 is performed by the temperature adjusting knob 64. However, for example, as shown in FIG. 5, the mixing valve is an electric mixing valve.
The remote control 66 is connected to this electric mixing valve 65, and the mixing valve is operated by operating this remote control 66.
The mixing ratio of 65 may be electrically adjusted to automatically control the hot water temperature to a set temperature.

In addition, the running water heating nozzle 47 installed in the bathroom 20
The installation position of does not have to be provided on the side wall of the bathroom,
For example, it may be provided at an appropriate position such as a lower part of the apron of the bathtub 63 that does not disturb the user.

[0036]

According to the present invention, since the hot water heat insulating tank is installed in the space above the ceiling of the unit bath, the pipe line from the hot water heat insulating tank to the hot water supply place in the bathroom is shortened. The hot water is ready for use, and when using hot water, you do not have to wait a long time until the desired hot water comes out, and you can immediately use the desired hot water.
A comfortable hot water use environment can be created in the bathroom.

Further, since the warm water heat retaining tank is installed in the space above the ceiling of the unit bath that does not interfere with the operation, it is not necessary to provide a dedicated storage room protruding into the bathroom unlike the conventional example. The use space in the bathroom is not narrowed, and the use space in the bathroom can be widely used.

Furthermore, a running water heating nozzle is provided in the bathroom,
In the structure in which the hot water in the hot water keeping tank is guided to the running water heating nozzle to heat the bathroom, the hot water is ready immediately as described above, and it is extremely short after the bathroom heating is switched on. Since the hot water in the hot water insulation tank can be sprayed from the running water heating nozzle to the bathroom floor in a short time,
Bathroom heating can be achieved efficiently and in a short time. In other words, the bather turns on the bathroom heating while he / she is undressing, so that the bathroom heating is performed, and the bathroom heating can be completed by the time the undressing is completed. There is no inconvenience waiting for the bathroom heating to finish, and you can enjoy a comfortable bathing life by immediately stepping on the warm bathroom floor where the running water is heated and taking a bath after undressing.

[Brief description of drawings]

FIG. 1 is a configuration explanatory diagram of a unit bus according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram of a configuration and piping of a hot water heat retention tank used in the same embodiment.

FIG. 3 is a configuration explanatory view showing a second embodiment of the present invention.

FIG. 4 is an explanatory view of a hot water heat retention tank and its piping used in a third embodiment of the present invention.

FIG. 5 is an explanatory diagram showing another example of piping for the hot water heat retention tank.

FIG. 6 is an explanatory view of a unit bath provided with a conventional flowing water heating means.

[Explanation of symbols]

 18 Hot water insulation tank 20 Bathroom 25 Tank body 26 Water heater 31 Heat insulation heater 47 Hot water heating nozzle

Claims (3)

[Claims] 1. A hot water warming tank equipped with a warming heater is installed in a space above the ceiling of a bathroom, and a hot water supply passage of a water heater for supplying hot water to the tank is connected to the hot water warming tank. A unit bath to do. 2. The unit according to claim 1, wherein a flowing water heating nozzle for spraying hot water is provided on the bathroom floor surface in the bathroom, and a hot water heat retaining tank is used as a flowing water heating heat source for supplying hot water to the flowing water heating nozzle. bus. 3. The unit bath according to claim 1, wherein the hot water insulation tank is a mixed water faucet in the bathroom and at least one hot water supply heat source of a shower and a bath.