JP4063148B2 - Mist shower device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a mist shower device for spraying a mist shower in a bathroom.
[0002]
[Prior art]
As this type of mist shower device, an arm that protrudes from the wall surface of the bathroom is used as a mist shower pipe, and a mist nozzle that ejects the mist shower is provided on the arm and is supplied to the arm. By spraying hot water from the mist nozzle, a bather in the bathroom can take a mist shower and warm the body to perform a relaxing bath (for example, Patent Document 1).
[0003]
However, in the mist shower apparatus shown above, since the arm which becomes the mist shower piping protrudes from the wall surface of the bathroom, this protrusion becomes an obstacle when taking a bath, and the bathroom space becomes narrow. In addition, since the mist nozzle in the above mist shower device is provided on the arm provided on the wall of the bathroom, the mist shower often scatters toward the bathroom door or door frame that leads to the dressing room. There is a problem that the room becomes flooded.
[0004]
[Patent Document 1]
JP 2001-204645 A
[0005]
[Problems to be solved by the invention]
The present invention has been made in view of the above points, and the object of the present invention is to provide a bathroom in which there is no protrusion for arranging a mist shower pipe and the bathroom space can be widened, and the mist shower leads to a dressing room. It is an object of the present invention to provide a mist shower device that can prevent water from being sprayed toward a door or a door frame and that can prevent the dressing room from being flooded.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, a mist shower apparatus according to the present invention is provided with a mist shower pipe 4 connected to a water supply pipe 3 in a door frame 2 to which a bathroom door 1 is attached. A mist nozzle 6 that is exposed on the inner surface of the bathroom 5 and injects a mist-like shower into the bathroom 5 is provided.
[0007]
With the above configuration, the water supplied from the water supply pipe 3 is passed through the mist shower pipe 4 provided in the door frame 2, and the water is sprayed from the mist nozzle 6 provided in the mist shower pipe 4 as a mist shower. Thus, a mist shower device without an obtrusive protrusion protruding from the wall surface of the bathroom 5 such as an arm for disposing the mist shower can be provided. As a result, the space of the bathroom 5 can be widened. Further, by providing the mist nozzle 6 exposed on the inner surface of the bathroom 5 in the mist shower pipe 4 provided in the door frame 2, the mist shower is sprinkled on the inner side of the bathroom 5 other than the door frame 2. It is possible to prevent the shower from scattering toward the bathroom door 1 and the door frame 2 leading to the dressing room, and as a result, the dressing room can be prevented from being flooded.
[0008]
A second aspect of the present invention is the first aspect, wherein the drain pipe 7 is connected to the downstream end of the mist shower pipe 4 provided with the mist nozzle 6 and the drain pipe 7 is provided with a drain electromagnetic valve 8 and the water supply A water supply electromagnetic valve 9 is provided in the pipe 3, a door open / close detection sensor 10 for detecting the open / closed state of the bathroom door 1 is provided in the vicinity of the bathroom door 1, and the bathroom door 1 is closed by the door open / close detection sensor 10. When this is detected, when the electromagnetic valve 8 for drainage is closed and the electromagnetic valve 9 for water supply can be switched, the door opening / closing detection sensor 10 detects that the bathroom door 1 is open. Is characterized in that a control unit 11 for closing the water supply electromagnetic valve 9 and opening the drainage electromagnetic valve 8 is provided.
[0009]
When the bathroom door 1 is in the closed state as described above, the controller 11 closes the drainage electromagnetic valve 8 and allows the water supply electromagnetic valve 9 to be opened and closed, thereby enabling the mist shower to be sprayed. If the bathroom door 1 is in the open state, the controller 11 can close the water supply electromagnetic valve 9 to stop the water supply to the mist shower pipe 4 and disable the mist shower watering. Thus, it is possible to prevent the mist shower from splashing from the bathroom door 1 which has been opened to the dressing room, and to further prevent the room from being immersed in water. Moreover, when the bathroom door 1 is in the open state, the drainage solenoid valve 8 is opened by the control unit, so that every time the bathroom door 1 is opened, the residual water in the pipe downstream from the water supply solenoid valve 9 is drained. 7, so that when the mist shower is used next time, the cooled residual water in the pipe downstream of the water supply solenoid valve 9 is not applied to the user, and the water supply electromagnetic The piping on the downstream side of the valve 9 can be prevented from freezing and is hygienic.
[0010]
A third aspect of the present invention is the first aspect of the present invention, wherein the drain pipe 7 is connected in communication with the downstream end of the mist shower pipe 4, the drain pipe 7 is provided with a drain solenoid valve 8, and the water feed pipe 3 has a water feed solenoid. A valve 8 is provided, a water heater 12 is provided upstream of the water supply electromagnetic valve 9, a temperature sensor 13 is provided downstream of the water heater 12 and upstream of the water supply electromagnetic valve 9, and in the bathroom 5 and / or A mist shower switch 14 is provided outside the bathroom 5, and when the mist shower switch 14 is turned on, the water supply electromagnetic valve 9 is opened and the set temperature of the water heater 12 is changed to 50 ° C to 70 ° C. When the mist shower switch 14 is turned off, the water supply solenoid valve 9 is closed, and when the temperature detected by the temperature sensor 13 is in the range of 50 ° C. to 70 ° C. in the mist shower switch 14 ON state, the drainage electricity The valve 8 is closed, and the detected temperature is of the case not in the range of 50 ° C. to 70 ° C., characterized by comprising providing a control unit 11 for the drainage solenoid valve 8 to open.
[0011]
With the above configuration, when the detected temperature of the temperature sensor 13 is in the range of 50 ° C. to 70 ° C. in the ON state of the mist shower switch 14, the controller 11 closes the electromagnetic valve 8 for drainage and opens the mist shower from the mist nozzle 6. Water can be sprayed, and if it is not in the range of 50 ° C. to 70 ° C., the control unit 11 opens the drainage solenoid valve 8 to drain the water in the mist shower pipe 4 to the drain pipe 7 and each mist. The water spray of the mist shower from the nozzle 6 can be stopped, so that the user can take a mist shower in the range of 50 ° C. to 70 ° C. which is the optimum temperature in the mist bath, and 50 ° C. to 70 ° C. during use. It is possible to prevent the user from being exposed to a low-temperature mist shower or a high-temperature mist shower that is not in the above range.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described below based on embodiments shown in the accompanying drawings. First, the first embodiment will be described.
[0013]
FIG. 1 is an explanatory diagram of the mist shower device of the present embodiment. The bathroom 5 includes a floor pan 16 that forms a washing area 15, a bathtub 17 that is integral with or separate from the floor pan 16, a wall panel 18 that stands on the periphery of the floor pan 16, and these wall panels 18. The bathroom unit 19 is composed of a ceiling panel (not shown) that covers the formed upper opening. The floor pan 16, the wall panels 18, and the ceiling panel are the floor 20 and the wall 21 of the bathroom 5. , Forming the ceiling.
[0014]
A conventionally known bathroom faucet 22 is provided in the bathroom 5. The bathroom faucet 22 is connected in communication with a water supply 24 via a faucet water supply path 23 disposed outside the bathroom 5, and a water heater disposed outside the bathroom 5 in the middle of the faucet water supply path 23. 12 is provided. In the present embodiment, as the bathroom faucet 22, as shown in FIG. 1, two faucets of a bath faucet 22 a and a wash basin faucet 22 b are used. Further, the water is branched into a bathtub faucet 22a side and a wash basin faucet 22b side at a branch point 25 on the downstream side, and the ends downstream of the branch point 25 are connected to the tub faucet 22a and the wash basin faucet 22b. Communication connection is established. The set temperature of the water heater 12 can be changed by the user by operating an operation unit (not shown), for example, and the set temperature of the normal water heater 12 is set to the temperature set by the user.
[0015]
Of the walls 21 facing the washing area 15 of the bathroom 5, an opening 26 is formed in a section of one wall 21 a, and the door frame 2 for the bathroom door 1 is disposed in the opening 26. Yes. The door frame 2 has a gate shape composed of an upper frame member 2a and left and right vertical frame members 2b. The surface of the door frame 2 on the side of the bathroom 5 is a wall surface of the bathroom 5 (inside the bathroom 5 of the wall 21a) as shown in FIG. ). As each frame material 2a, 2b of the door frame 2, for example, a hollow extruded material made of aluminum is used, thereby forming the door frame 2 having a hollow cross section (specifically, a hollow hollow section in detail). In FIG. 2, the surface of the door frame 2 on the bathroom 5 side slightly protrudes from the wall surface of the bathroom 5, but the surface of the door frame 2 on the bathroom 5 side is completely flush with the wall surface of the bathroom 5. It is good, and it may be slightly recessed from the wall surface of the bathroom. The material and shape of the door frame 2 are not limited to the above.
[0016]
The bathroom door 1 is attached to the opening 27 of the door frame 2 so as to be freely opened and closed, thereby forming an entrance of the bathroom 5. As the bathroom door 1, any type such as a folding door, an open door, and a sliding door may be used.
[0017]
The structure of the mist shower apparatus provided in the bathroom 5 will be described. As shown in FIGS. 1 to 3, a mist shower pipe 4 is provided inside the door frame 2 disposed on the wall 21 a facing the washing place 15, and the mist shower pipe 4 is entirely inside the door frame 2. It is completely in place. The mist shower pipe 4 is arranged inside the door frame 2 by being arranged in a pipe housing part formed inside the door frame 2 (that is, the hollow part of the door frame 2 having a substantially hollow cross section described above). The mist shower pipe 4 communicates the left and right vertical tube portions 4b disposed inside the left and right vertical frame members 2b of the door frame 2 with the upper ends of both the vertical tube portions 4b disposed inside the upper horizontal frame member 2a. It consists of the upper horizontal pipe part 4a to connect. As shown in FIG. 2, a water supply pipe connection port 28 is provided at the upper end of the door frame 2 (one side surface of one vertical frame member 4a) facing the back of the bathroom 5 (the back side of the wall 21a). It protrudes to. The upper end portion of the vertical pipe portion 4b in the one vertical frame member 2b is connected to the water supply pipe connection port portion 28 through a connection pipe 29 provided in the door frame 2, and both the vertical pipe portions 4b are connected in the vertical direction. The lower end of the pipe part 4b extends to the mist nozzle 6 disposed at the lowest position among the mist nozzles 6 described later. That is, in the mist shower pipe 4 of the present embodiment, the upper end portion of one vertical pipe portion 4b connected to the downstream end portion of the connection pipe 29 is an upstream end portion, and the lower ends of both vertical frame members 2b are It is the downstream end.
[0018]
Mist nozzles 6 that are exposed on the inner surface of the bathroom 5 of the door frame 2 and spray a mist-like shower in the bathroom 5 are spaced apart vertically in each of the vertical pipe portions 4 b of the mist shower pipe 4. There are several. Each mist nozzle 6 is provided by disposing the mist nozzle 6 in a mist nozzle hole formed in the door frame 2, and the tip of the mist nozzle 6 is located on the side of the bathroom 5 of the door frame 2 as shown in FIG. It is flush with the surface. The tip of each mist nozzle 6 may be substantially flush with the surface on the bathroom 5 side, and may protrude slightly from the surface on the bathroom 5 side of the door frame 2 or may be recessed. Shall. Moreover, each mist nozzle 6 should just be distribute | arranged to the position where the user who is in the bathroom 5 (especially washing-room 15) can take a mist shower, and arrangement | positioning of each mist nozzle 6 can change a design suitably by the designer. .
[0019]
The mist shower pipe 4 has an upper end portion (upstream end portion) connected to a water supply pipe 3 connected to a water supply 24 in communication. Here, the downstream end portion of the water supply pipe 3 and the upper end portion of the mist shower pipe 4 are connected to each other via the connection pipe 29 and the water supply pipe connection port 28 described above. For example, as shown in FIG. The male screw portion 28a formed on the outer peripheral portion of the water supply pipe connecting port portion 28 protruding from 2 and the female screw portion (not shown) formed at the downstream end portion of the mist shower pipe 4 are connected by threading. is doing. The upstream end of the water supply pipe 3 is connected to the downstream side of the water heater 12 in the water faucet water supply path 23 described above, that is, the water supply 24 and the water heater 12 for supplying hot water to the bathroom faucet 22. The water supply and hot water supply for supplying hot water to the mist shower pipe 4 are also used. The water heater 4 may be provided on the upstream side of a water supply solenoid valve 9 described later in the water supply pipe 3.
[0020]
The water supply pipe 3 is provided with a water supply electromagnetic valve 9. Each of the water supply electromagnetic valve 9 and the water heater 12 described above is electrically connected to a control unit 11 disposed outside the bathroom 5 (specifically, behind the ceiling), and the control unit 11 is supplied with power from an AC 100V power source. Yes. A mist shower switch 14 that can be switched ON / OFF by a user operation is provided in the bathroom 5, and the mist shower switch 14 is also electrically connected to the control unit 11.
[0021]
And when using said mist shower apparatus, a user turns on the mist shower switch 14 and performs. When the mist shower switch 14 is turned on, the controller 11 sets the temperature set for the water heater 12 set by the user in a range of 50 ° C. to 70 ° C. in which the mist can be bathed at an optimum temperature in the most relaxed state ( Preferably, the water supply solenoid valve 9 is opened. Thus, the water heated in the hot water heater 12 flows into the water supply pipe 3, and then flows from the water supply pipe 3 into the mist shower pipe 4 through the water supply pipe connection port 28 and the connection pipe 29, and from the connection pipe 29. Among the inflowing water, one passes through the left vertical pipe portion 4b and is sent to each mist nozzle 6 provided in the left vertical pipe portion 4b (see arrow A in FIG. 1), and the other is the left vertical pipe portion 4b. It passes through the pipe part 4a and the right vertical pipe part in order and is sent to each mist nozzle 6 provided in the vertical pipe part (see arrow b), and from each mist nozzle 6 provided in both vertical pipe parts 4b into the bathroom 5 The mist shower is sprinkled toward. As a result, the user in the washing area 15 can take a mist shower sprinkled from the mist nozzle 6, warming the body and taking a relaxing bath. Here, since the set temperature of the water heater 12 is automatically changed to a temperature suitable for the mist shower when the mist shower switch 14 is turned on, the user can take the mist shower at the optimum temperature and use the mist shower. When doing so, the troublesome work of changing the set temperature of the water heater 12 each time can be omitted.
[0022]
Thereafter, when watering the mist shower is stopped, the mist shower switch 14 is turned OFF. When the mist shower switch 14 is turned off, the control unit 11 changes the set temperature of the water heater 12 to the set temperature immediately before the mist shower switch 14 is turned on (that is, the temperature set by the user through the operation unit) and the water supply electromagnetic wave. The valve 9 is closed. As a result, the inflow of water into the mist shower pipe 4 is blocked by the water supply electromagnetic valve 9, and water spraying of the mist shower is stopped. Here, the temperature is automatically changed to the set temperature before the mist shower switch 14 is turned on by the OFF operation of the mist shower switch 14, so that when the bathroom faucet 22 is used after the mist shower is used, the temperature becomes higher from the bathroom faucet 22. No water is discharged and burns can be prevented.
[0023]
By providing the mist shower piping 4 inside the door frame 2 conventionally provided in the bathroom 5 as described above, and providing the mist nozzle 6 exposed on the inner surface of the bathroom 5 of the door frame 2 in the mist shower piping 4, As in the conventional example, it is possible to provide a mist shower device without an obtrusive protrusion protruding from the wall surface 5 of the bathroom such as an arm for disposing mist shower piping, and the space of the bathroom 5 can be widened. Further, by providing a mist nozzle 6 exposed on the inner surface of the bathroom 5 in the mist shower pipe 4 provided inside the door frame 2, the mist shower is sprinkled inside the bathroom 5 other than the door frame 2, thereby watering the water. It is possible to suppress the mist shower that is scattered toward the bathroom door 1 and the door frame 2 leading to the dressing room. Further, the mist nozzle 6 can be disposed simply by forming a mist nozzle hole in the hollow door frame 2, and the mist nozzle 6 can be easily constructed.
[0024]
In the above description, the control unit 11 is set to automatically change the set temperature of the water heater 12 when the mist shower switch 14 is switched ON / OFF. However, in the present embodiment and the second embodiment to be described later, This control need not be performed.
[0025]
By the way, when the bathroom door 1 is opened when the mist shower is sprayed with the mist shower apparatus described above, or when the bathroom door 2 is in an open state without being noticed by the user, the door frame 2 is removed as described above. Although it is said that the mist shower is sprinkled toward the washing place 15, the mist shower splashed by hitting the user or the bathroom 5, or the sprayed mist shower may be scattered to the dressing room side. Further, when the water supply electromagnetic valve 9 is closed by the mist shower switch 14 after the mist shower device is used, the downstream side of the water supply electromagnetic valve 9, that is, the downstream side of the water supply pipe 3 of the water supply electromagnetic valve 9. In addition, water remains in the mist shower pipe 4, and this causes a problem that the cooled residual water in the pipe downstream from the water supply electromagnetic valve 9 is applied to the user at the next use.
[0026]
Therefore, a second embodiment different from the first embodiment is shown in FIG. In addition, the same number is provided about the same structure as the said 1st Embodiment, and description is abbreviate | omitted about the overlapping description.
[0027]
Most of the lower ends of the vertical pipe portions 4b, which are downstream ends of the mist shower pipe 4, are connected to a drain pipe 7 disposed under the floor of the bathroom 5. The downstream end of the drain pipe 7 is connected in communication with a drain trap 30 for collecting and removing the drainage of the bathroom 5 disposed below the floor 20 of the bathroom 5 or the floor 20. The water can be drained into a drainage channel (not shown) disposed under the floor of the bathroom 5. In addition, the lower end of both the vertical pipe parts 4b of the mist shower piping 4 shall be connected with the upstream edge part of the drain pipe 7 introduced into the lower end part inside each vertical frame material 2b of the door frame 2 from the lower end. Further, the drain pipe 7 of this embodiment is connected to the drainage channel via a drain trap 30 provided below the drainage port (not shown) of the washing place 15, but the drainage pipe 7 is connected to the drainage channel. For example, it may be directly connected to the drainage channel.
[0028]
The drain pipe 7 is provided with a drain electromagnetic valve 8, and the drain electromagnetic valve 8 is electrically connected to the control unit 11. The door frame 2 is provided with a door opening / closing detection sensor 10 such as a reed switch for detecting the opening / closing state of the bathroom door 1, and the door opening / closing detection sensor 10 is also electrically connected to the control unit 11.
[0029]
The control unit 11 is set to perform the following control. That is, when the door open / close detection sensor 10 detects that the bathroom door 1 is closed, the drain electromagnetic valve 8 is closed and the water supply electromagnetic valve 9 can be switched between open and closed. The mist shower can be sprinkled by opening or closing the water supply solenoid valve 9 in accordance with the operation of the shower switch 14 so that the mist shower can be sprinkled, and the bathroom door 1 is opened by the door opening / closing detection sensor 10. When it is detected that the water supply electromagnetic valve 9 is closed, the drainage electromagnetic valve 8 is opened, and the water supply electromagnetic valve 9 cannot be switched between open and closed, thereby making the mist shower non-sprayable state possible. Is to do.
[0030]
Moreover, when the user turns on the mist shower switch 14 when the bathroom door 1 is in the closed state, the controller 11 sets the set temperature of the water heater 12 set by the user to a range of 50 ° C to 70 ° C. The change is set to open the water supply solenoid valve 9. Thus, the water heated in the hot water heater 12 flows into the mist shower pipe 4, and then the mist shower is sprinkled from the mist nozzle 6 into the bathroom 5. When the user turns off the mist shower switch 14, the control unit 11 changes the set temperature of the water heater 12 to the set temperature immediately before the mist shower switch 14 is turned on (the temperature set by the user), and the water supply solenoid valve 9. Is closed. That is, the control unit 11 of this embodiment gives priority to the opening control of the water supply electromagnetic valve 9 by opening the bathroom door 1 over the opening / closing control of the water supply electromagnetic valve 9 by turning ON / OFF the mist shower switch 14. Is set to In the control by the controller 11, when the bathroom door 1 is opened from the state where the mist shower switch 14 is ON and the bathroom door 1 is closed, the set temperature of the water heater 12 is changed to the mist shower switch. It is assumed that the mist shower switch 14 may be reset to the OFF state when it is controlled to change to the set temperature immediately before 14ON, or when the bathroom door 1 is closed from the open state.
[0031]
When the bathroom door 1 is in the closed state by the control by the control unit 11, the mist shower can be sprinkled by operating the mist shower switch 14 as in the first embodiment. When the bathroom door 1 is in the open state, the water supply solenoid valve 9 is closed by the control unit 11 to stop the water supply to the mist shower pipe 4 and stop the mist shower watering. The mist shower can be prevented from splashing from the bathroom door 1 which has been opened to the dressing room, and when the bathroom door 1 is also in the open state, the controller 11 opens the electromagnetic valve 8 for drainage. Therefore, every time the bathroom door 1 is opened, the remaining water in the pipe downstream of the water supply solenoid valve 9 can be drained to the drain pipe 7, and the cold remaining water in the mist shower pipe 4 is used at the next use. Can be prevented.
[0032]
By the way, in the said 1st, 2nd embodiment, even if it sets the setting of the water heater 12 to the optimal temperature of 50 to 70 degreeC, after the solenoid valve 9 for water supply is closed, the solenoid valve 9 for water supply This causes a problem that water remains in the upstream pipe, and the cold remaining water in the pipe is sprayed from the mist nozzle 6 and is applied to the user when it is used next time. In addition, the temperature of the water supplied to the mist shower pipe 4 may become abnormally high due to a trouble of the water heater 12 or may be low immediately after the operation of the water heater 12 is started. When hot water is supplied to the mist shower pipe 4 in such a case, the former may cause burns, and the latter causes a problem that cold water is sprayed from the mist nozzle 6 and is applied to the user as described above.
[0033]
Therefore, a third embodiment different from the second embodiment will be described. In addition, the same number is provided about the same structure as the said 1st Embodiment, and description is abbreviate | omitted about the overlapping description.
[0034]
First, an example of the third embodiment will be described. As shown in FIG. 4, the lower ends of both vertical pipe portions 4 b, which are downstream end portions of the mist shower pipe 4, are mostly connected to a drain pipe 7 disposed under the floor of the bathroom 5. The downstream end of the drain pipe 7 is connected to a drain trap 30 for collecting and removing the drainage of the bathroom 20 disposed under the floor 20 of the bathroom 5 or below the floor 20. It can drain into a drainage channel (not shown) disposed under the floor of the bathroom 5. In addition, the lower end of both the vertical pipe parts 4b of the mist shower piping 4 shall be connected with the upstream edge part of the drain pipe 7 introduced into the lower end part inside each vertical frame material 2b of the door frame 2 from the lower end. Further, the drain pipe 7 of this embodiment is connected to the drainage channel via a drain trap 30 provided below the drainage port (not shown) of the washing place 15, but the drainage pipe 7 is connected to the drainage channel. For example, it may be directly connected to the drainage channel.
[0035]
The drain pipe 7 is provided with a drain electromagnetic valve 8, and the drain electromagnetic valve 8 is electrically connected to the control unit 11. A temperature sensor 13 is provided upstream of the water supply solenoid valve 9 in the water supply pipe 3, and the temperature sensor 13 is also electrically connected to the control unit 11.
[0036]
And the control part 11 of this embodiment is set so that the following control may be performed. That is, when the mist shower switch 14 is turned ON, the control unit 11 opens the water supply electromagnetic valve 9 and changes the set temperature of the water heater 12 to 50 ° C. to 70 ° C., and turns the mist shower switch 14 OFF. In this case, the set temperature of the water heater 12 is changed to the set temperature immediately before the mist shower switch 14 is turned on (that is, the temperature set by the user through the operation unit) and the water supply electromagnetic valve 9 is closed. ing.
[0037]
Moreover, the control part 11 closes the electromagnetic valve 8 for drainage, when the detection temperature by the temperature sensor 13 exists in the range of 50 to 70 degreeC in the said mist shower switch 14 ON state. As a result, the water supply electromagnetic valve 9 is opened and the drainage electromagnetic valve 8 is closed, and the water flowing from the water supply pipe 3 into the mist shower pipe 4 is sprinkled as a mist shower from each mist nozzle 6 into the bathroom 5. Is done. The controller 11 is set to open the drainage electromagnetic valve 8 when the temperature detected by the temperature sensor 13 is not in the range of 50 ° C. to 70 ° C. for a predetermined time in the mist shower switch 14 ON state. As a result, the water supply electromagnetic valve 9 is opened and the water discharge electromagnetic valve 8 is opened, so that the water flowing into the mist shower pipe 4 from the water supply pipe 3 is not sprinkled from each mist nozzle 6 and passes through the drain pipe 7. Drained into a drain.
[0038]
When the temperature of the water flowing through the water supply pipe 3 in the ON state of the mist shower switch 14 (detected temperature of the temperature sensor 13) is in the range of 50 ° C. to 70 ° C. by the control by the control unit 11, the control unit 11 Mist shower can be sprayed from the mist nozzle 6 with the solenoid valve 8 closed, and when it is not in the range of 50 ° C. to 70 ° C., the drain solenoid valve 8 is opened by the control unit 11 and the mist shower pipe is opened. 4 can flow out into the drain pipe 7 so that the mist shower cannot be sprayed from each mist nozzle 6, and when the mist shower switch 14 is turned on, the upstream side of the water supply solenoid valve 9 can be prevented. Even if the water used last time remains in the pipe or the temperature of the water flowing through the water supply pipe 3 is low just after the operation of the water heater 12 is started, Water is not sprinkled from the drain 6 and drained from the drain pipe 7, and as a result, the problem that the cold water is applied to the user can be improved, and the water flowing through the water pipe 3 is abnormal due to troubles of the water heater 12. Similarly, when it is high, this water is drained from the drain pipe 7 and is not sprinkled from each mist nozzle 6, and as a result, the user can be prevented from being burned.
[0039]
In the above embodiment, the door frame 2 is provided with a door open / close detection sensor 10 such as a reed switch for detecting the open / closed state of the bathroom door 1, and the door open / close detection sensor 10 is electrically connected to the control unit 11 described above. It is also preferable.
[0040]
That is, the control unit 11 of this example is set to perform the following control. When the door opening / closing detection sensor 10 detects that the bathroom door 1 is in the closed state, the control unit 11 enables switching of the water supply electromagnetic valve 9 and the door opening / closing detection sensor 10 switches the bathroom door 1. When the water supply electromagnetic valve 9 is closed, the water supply electromagnetic valve 9 is closed, the drainage electromagnetic valve 8 is opened, and the water supply electromagnetic valve 9 cannot be switched between open and closed. To do.
[0041]
In addition, when the bathroom door 1 is in the closed state, the control unit 11 opens the water supply electromagnetic valve 9 and sets the set temperature of the water heater 12 when the user turns on the mist shower switch 14. When the temperature is changed to 50 ° C. to 70 ° C. and the mist shower switch 14 is turned off, the set temperature of the water heater 12 is set to the set temperature immediately before the mist shower switch 14 is turned on (that is, the temperature set by the user through the operation unit). And the water supply solenoid valve 9 is set to be closed. In the control by the controller 11, when the bathroom door 1 is opened from the state where the mist shower switch 14 is ON and the bathroom door 1 is closed, the set temperature of the water heater 12 is changed to the mist shower switch. It is assumed that the mist shower switch 14 may be reset to the OFF state when it is controlled to change to the set temperature immediately before 14ON, or when the bathroom door 1 is closed from the open state.
[0042]
And the control part 11 closes the electromagnetic valve 8 for drainage, when the said bathroom door 1 is a closed state, and the detection temperature by the temperature sensor 13 exists in the range of 50 to 70 degreeC in the mist shower switch 14 ON state. As a result, the water supply electromagnetic valve 9 is opened and the drainage electromagnetic valve 8 is closed, and the water flowing from the water supply pipe 3 into the mist shower pipe 4 is sprinkled as a mist shower from each mist nozzle 6 into the bathroom 5. Is done. The controller 11 opens the drainage solenoid valve 8 when the temperature detected by the temperature sensor 13 is not in the range of 50 ° C. to 70 ° C. for a predetermined time when the bathroom door 1 is closed and the mist shower switch 14 is ON. Is set. As a result, the water supply electromagnetic valve 9 is opened and the water discharge electromagnetic valve 8 is opened, so that the water flowing into the mist shower pipe 4 from the water supply pipe 3 is not sprinkled from each mist nozzle 6 and passes through the drain pipe 7. Drained into a drain.
[0043]
When the bathroom door 1 is in the open state by controlling by the control unit 11 as described above, the control unit 11 closes the water supply electromagnetic valve 9 to supply water to the mist shower pipe 4. Can stop and stop water spraying of the mist shower, which can further prevent the mist shower from splashing from the bathroom door 1 which has been opened to the dressing room, and also control when the bathroom door 1 is in the opened state By opening the electromagnetic valve 8 for drainage by the section 11, the water remaining in the pipe downstream of the electromagnetic valve 9 for water supply can be drained to the drain pipe 7 every time the bathroom door 1 is opened. It is possible to prevent the remaining water in the mist shower piping 4 from getting cold.
[0044]
In all the embodiments described above, the example in which the mist shower switch 14 is provided only in the bathroom 5 has been described. However, in addition to the mist shower switch 14 provided in the bathroom 5, A mist shower switch 14 electrically connected to the control unit 11 may also be provided in the undressing room) so that the ON / OFF state can be switched by pressing either the mist shower switch 14 inside or outside the bathroom 5. When the mist shower is used to preheat the interior of the bathroom 5, the user can spray the mist shower while staying outside the bathroom 5 without taking the mist shower. In this case, it goes without saying that the design of the arrangement of the mist nozzle 6 and the mist shower pipe 4 can be appropriately changed for preheating.
[0045]
【The invention's effect】
As described above, according to the first aspect of the present invention, it is possible to provide a mist shower device having no disturbing protrusion protruding from the wall surface of the bathroom, and as a result, the bathroom space can be widened. Also, the mist shower can be sprayed into the bathroom other than the door frame, which can prevent the mist shower from splashing toward the bathroom door and door frame leading to the dressing room. It is possible to prevent water soaking.
[0046]
In addition, in the invention according to claim 2, in addition to the effect of the invention according to claim 1, the mist shower can be sprinkled by switching the opening and closing of the water supply electromagnetic valve in the normal state when the bathroom door is closed, and the bathroom door is opened. When in the state, the supply of water to the mist shower pipe can be stopped to stop the water spraying of the mist shower, and the mist shower can be further prevented from splashing from the bathroom door that has been opened to the dressing room. In addition, every time the bathroom door is opened, the drainage solenoid valve is opened by the control unit, so that the remaining water in the pipe downstream from the water supply solenoid valve can be drained into the drainage pipe. The cooling water remaining downstream from the solenoid valve for water is not applied to the user, and the pipe downstream from the solenoid valve for water supply can be prevented from freezing, and is hygienic.
[0047]
Moreover, in invention of Claim 3, in addition to the effect of the invention of Claim 1, the user can take a mist shower in the range of 50 ° C. to 70 ° C. which is the optimum temperature in the mist bathing, Moreover, it is possible to prevent the user from being exposed to a low temperature mist shower or a high temperature mist shower that is not in the range of 50 ° C. to 70 ° C. during use, and as a result, burns and discomfort can be eliminated.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram of a mist shower device showing an example of a first embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view of the main part of the same.
FIG. 3 is an enlarged longitudinal sectional view of the main part of the above.
FIG. 4 is an explanatory diagram of a mist shower device showing an example of a second embodiment.
FIG. 5 is a block diagram showing electrical connections in the second and third embodiments.
FIG. 6 is an explanatory diagram showing connection of piping according to second and third embodiments.
[Explanation of symbols]
1 Bathroom door
2 Door frame
3 water supply pipes
4 Mist shower piping
5 Bathroom
6 Mist nozzle
7 Drain pipe
8 Solenoid valve for drainage
9 Solenoid valve for water supply
10 Door open / close detection sensor
11 Control unit
12 Water heater
13 Temperature sensor
14 Mist shower switch

Claims (3)

A mist shower pipe connected to the water supply pipe is provided inside the door frame to which the bathroom door is attached. A mist shower device characterized by being provided. A drain pipe is connected to the downstream end of the mist shower pipe provided with the mist nozzle, a drain solenoid valve is provided on the drain pipe, a water solenoid valve is provided on the water pipe, and a bathroom is provided near the bathroom door. A door opening / closing detection sensor for detecting the opening / closing state of the door is provided. When the door opening / closing detection sensor detects that the bathroom door is closed, the drainage solenoid valve is closed and the water supply solenoid valve is closed. When the door opening / closing detection sensor detects that the bathroom door is in an open state, a controller for closing the water supply electromagnetic valve and opening the drainage electromagnetic valve is provided. The mist shower device according to claim 1. A drainage pipe is connected to the downstream end of the mist shower pipe, a drainage solenoid valve is provided in the drainage pipe, a water supply solenoid valve is provided in the water supply pipe, and a water heater is provided upstream of the water supply solenoid valve. A temperature sensor is provided downstream of the water heater and upstream of the water supply solenoid valve, a mist shower switch is provided in and outside the bathroom, and when the mist shower switch is turned on, water supply is provided. When the solenoid valve is opened and the set temperature of the water heater is changed to 50 ° C. to 70 ° C. and the mist shower switch is turned OFF, the solenoid valve for water supply is closed, and the temperature in the mist shower switch ON state A controller that closes the drainage solenoid valve when the temperature detected by the sensor is in the range of 50 ° C to 70 ° C, and opens the drainage solenoid valve when the detection temperature is not within the range of 50 ° C to 70 ° C. Setting Mist shower apparatus according to claim 1, characterized by comprising Te.

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