JPH0658563A - Bath device - Google Patents

Abstract

PURPOSE:To provide an automatic bath hot water feeding system utilizing a remote control device in which a safe, convenient and trouble-free hot water feeding can be performed simply, an effective space improvement of an entire bath room can be improved and its image can be further improved. CONSTITUTION:There are provided a hot water feeder 1 for heating water, a mixing valve unit 7 for mixing hot water got from the hot water feeder 1 and water got from a tap water at a set temperature, a discharging port 404 arranged near a bath tub 18 in a bath room 12 connected to the mixing valve unit 7 through a pipe, a changing-over valve 402 for changing-over a discharging to a plurality of discharging ports 404, a water drain valve 21 of a bath tub 18, a control unit 6 for the mixing valve unit 7, a bath remote controller 2 electrically connected to the control unit 6 and placed within the bath room 12, and a home automation control unit 8 out of the bath room.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic bath hot water supply system using a remote control device.

[0002]

2. Description of the Related Art In a conventional bath apparatus, as shown in FIGS. 10 and 11, a water supply pipe 904 having a water stop 902 and a pressure reducing valve 903 connected thereto is connected below a device 901 serving as a heating source. . The other branch from the water supply pipe 904 is connected to the hot and cold water mixing tap 905 in the bathroom. Further, the hot water supply pipe 906 is configured such that an air vent valve 907 and a safety valve 908 are connected from the upper part of the device 901 to the middle thereof and also to the hot and cold water mixing plug 905.

In the bath device, the shower 909 and the tap 9 are switched by switching the hot and cold water passages inside the hot and cold water mixing tap 905.
Any one of 10 can be used properly. That is, the hot and cold water mixing valve 905 has a water supply knob 911 and a hot water supply knob 912.
Adjust the hot and cold water to your liking according to the degree of opening and closing, and operate the switching knob 913 to move the tap 91 to the bath 914.
Shower 909 and dropping from 0 and doing hot water
And are used properly.

[0004]

However, in the conventional structure as described above, the water is poured into the bathtub or the shower 909.
At the time of use, etc., the hot and cold water mixing tap 905 must be manually operated while watching the hot water in the bathroom at all times, and at the time of hot water removal, it is necessary to go to the bathroom and perform the above operation each time. However, there were problems such as the trouble of maintaining the hot water temperature, the inconvenience that the hot water temperature in the bathtub was uneven, the inconvenience, and the wasteful hot water removal due to forgetting to close the drain plug of the bathtub.

The present invention solves the above-mentioned problems, and controls operation by a remote control device, which is convenient, time-consuming, safe, and comfortable for bathing, hot water supply, and bath temperature. The purpose is to maintain and manage the simple operation.

[0006]

In order to achieve the above object, the present invention provides a water heater for heating water, a mixing valve unit for mixing hot water from the water heater and water from water supply to a preset temperature, and A discharge port that is connected to the mixing valve unit through a pipe and is provided near a bathtub in a bathroom, a drainage valve for the bathtub, a switching valve that switches the discharge to a plurality of discharge ports, and a control unit for the mixing valve unit. And a bathroom remote controller inside the bathroom and a home automation control unit outside the bathroom, which are electrically connected to the control unit. The outlet is switched to the bathtub side, and the hot water can be controlled only when the drain valve closing signal is input. Than it is.

[0007]

According to the present invention, the hot water discharge operation of the mixing valve unit can be controlled by remote control by operating the bathroom remote controller or the home automation control unit, and the discharge port is switched to the bathtub side and the drain valve Only when the valve closing signal is input, the hot water is poured into the bathtub under the set conditions by the signal from the home automation control unit.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

1, FIG. 2, FIG. 3, FIG. 4 (A), and (B), 1 is a water heater such as an electric water heater or a petroleum boiler, and the water heater 1 has a safety valve 9 and an air vent valve 10. The hot water supply pipe 11 provided is branched and extended to a bathroom 12, a kitchen, a washroom, and the like.

On the other hand, the water source is connected to general water supply, and a hot water supply pipe 14 having a pressure reducing valve 13 is provided in the hot water supply device 1 and the bathroom 1.
It has been extended to 2.

A hot water pipe 11 extending to the bathroom 12
The water supply pipe 14 and the water supply pipe 14 are connected to a mixing valve unit 7 provided integrally with the control unit 6, and the mixing unit 7 is connected to a bathtub 18 via a hot water supply pipe 17 having a booster pump 15 and a vacuum breaking valve 16. 12
Is connected to the hot water supply port unit 4 provided on the wall surface of the device, and the mixing valve unit 7, the booster pump 15, the vacuum break valve 16, and the hot water supply port unit 4 are installed at a position lower than the air vent valve 9 in that order. .

In the detachable cover case 401 of the hot water supply port unit 4, hot water from the hot water supply pipe 17 is switched to supply to the bathtub 18 and to the shower unit 3 capable of switching between shower and water regulation. A switching valve 402, a discharge port 404 detachably connected to a supply port 403 of the switching valve 402 to the bath 18, and a circulation discharge port 405 connected to a circulation circuit different from the hot water supply pipe 17 are provided. .

Further, the shower unit 3 has a hand switch 302 for supplying / stopping water and adjusting its flow rate, and a nozzle selector switch 3 for switching between shower and water regulation.
03 is provided. The shower head 301 of the shower unit 3 can be embedded in the wall of the washing room 19 of the bathroom 12 or can be attached to and detached from the opening 305 of the storage box 304 attached to the outer wall, and when not in use, the shower hose 306 is provided in the storage box 304. To store
The shower head 301 is locked to the opening 305, the shower head 301 is detached from the opening 305 at the time of use, and the shower hose 306 is pulled out from the storage box by a necessary length for use.

A drainage port 20 provided at the bottom of the bathtub 18 is connected to a drainage pipe 22 having a drainage valve 21 and a circulation discharge port 405 in the hot water supply port unit 4, and has a reheating unit 5. The circulating pipes 23 are branched and connected. In the reheating unit 5, a heater 501 for reheating, a pump 502 for circulating the hot water in the bathtub 18, and a water level sensor 503 for preventing empty heating operation.
Is provided. The reheating unit 5 is the drain valve 2
1 and the drain pipe 22, and is installed so that the water in the reheating unit 5 is drained when draining.

Reference numeral 2 denotes a bathroom remote controller (hereinafter referred to as a bathroom remote controller) provided on the wall surface between the bathtub 18 and the washing room 19 of the bathroom 12, which is electrically connected to the control unit 6 at a low voltage.

Numeral 8 is a home automation (hereinafter referred to as H
A control unit (referred to as A) is electrically connected to the control unit 6 at a low voltage similarly to the bathroom remote controller 2.

As for the shower unit 3, the user operates the nozzle changeover switch 303 provided on the shower head 301 as shown in FIG. The switching selection shown in FIG. 4B can be made.

Further, by operating the hand switch 302, the flow rate can be easily adjusted and the water can be temporarily stopped.

Next, referring to FIG. 5, the mixing valve unit 7 will be described.
Will be described in detail. The hot water flow path 701 of the mixing valve unit 7 is connected to the hot water supply pipe 11, and the hot water flow path 702 is provided.
Is connected to the water supply pipe 14. Then, the hot water passage 70
1, a hot water check valve 703 is provided, and a water flow passage 702 is provided with a water check valve 704.
3 and the water side check valve 704, the hot water and water are pressure balance valve 7
Introduced in 05. The pressure balance valve 705 includes a cylinder 706 having hot water and water inflow holes around it, and a piston 7 located in the center of the cylinder 706 for separating hot water and water.
07, and the hot water pressure regulating valve body 708 connected to this piston
And a water side pressure regulating valve body 709, and a left end portion 710 of the cylinder 706, a hot water side pressure regulating valve body 708, and a right end portion 711.
By increasing and decreasing the gap between the water side pressure regulating valve body 709 and the water side pressure regulating valve body 709, the pressure of the discharged water and the pressure of the discharged water are adjusted to be substantially equal. In this way, the hot water and the water whose pressures are made approximately equal by the pressure balance valve 705 are the hot water fixed valve element 712 facing the hot water channel 701, the hot water valve element 713, and the water facing the water channel 702. It is introduced into the mixing / flow rate adjusting section 716 composed of the side fixed valve body 714 and the water side valve body 715. The hot water side valve body 713 and the hot water side valve body 715 are respectively a hot water side motor 717 which is an electric drive means.
And the water side motor 718, the water side reduction gear 719, the water side reduction gear 720, the water side valve shaft 721, and the water side valve shaft 72.
It is rotationally driven via 2, and is formed by the hot water side fixed valve body 712 and the hot water side valve body 713, or the water side fixed valve body 714 and the water side valve body 715 and the openings a and b respectively provided. The hot water mixing ratio and the flow rate are changed by changing the opening area.

The temperature of the mixed hot water mixed by adjusting the ratio of hot and cold water by the mixing / flow rate adjusting unit 716 is detected by the thermistor 724 provided in the mixed hot water flow path 723, and the flow sensor 725 controls the rotation of the balls by magnetic field. And the flow rate is detected, and hot water is discharged from the mixed water outlet 726. The mixed water outlet 726 is connected to the hot water supply pipe 17. Here, the detection signals of the hot water temperature and the flow rate from the thermistor 724 and the flow rate sensor 725 are transmitted to the control unit 6, and various signals set by the user from the bathroom remote controller 2 are used to control the hot water motor 717 and the water side. The control unit 6 controls the motor 718.

Next, the operating section of the bathroom remote controller 2 will be described in detail with reference to FIG. Bathroom remote control 2
On the upper part of the front surface of the device, there is provided a switch part for operating the mixing valve unit 7 via the control unit 6 so that the user inputs the condition of the hot water supplied from the hot water supply port unit 4 to the bathtub 18 or the shower unit 3. 201
Is a hot water temperature control switch having a high temperature side switch 202 and a low temperature side switch 203, and can be set only up to about 50 ° C. on the high temperature side, and 204 is a flow rate control switch having a large flow rate side switch 205 and a small flow rate side switch 206. Show, 20
7 is a hot water switch that can be set to a higher temperature range that cannot be set only by the high temperature side switch 202 by operating it at the same time as the high temperature side switch 202, and 208 is hot water discharge under the set conditions.・ It is a hot water supply switch that can stop water alternately. Reference numeral 209 is a reheating switch for moving the reheating unit 5 to circulate and reheat the hot water in the bathtub 18, 210
Is a hot water temperature display unit that displays the set hot water temperature and the hot water temperature during hot water discharge, 211 is a flow rate display unit that displays the set flow rate and the flow rate during hot water discharge, and 212 is a hot water discharge amount display unit that displays an integrated value of hot water flow rate, 213 Is a remaining hot water amount / out of hot water display unit for displaying a state of remaining hot water in the tank 101 by a signal from hot water temperature sensors 102 (see FIG. 1) provided vertically distributed on the surface of the tank 101 of the water heater 1. Further, on the front upper part of the bathroom remote control 2, a bus interphone 214 for talking with the HA control unit 8 provided in a separate room.
Is provided.

On the surface of each switch of the hot water supply switch 208, the hot water temperature control switch 201, the flow rate control switch 204, the boiling water switch 207, the additional daki switch 209, and the bus interphone 214, the contents of each switch are in Braille. In addition to the above, when operating each switch, a different sound is output from the speaker 224 provided on the lower front surface of the bathroom remote controller 2 according to the operated switch.

Further, a window 215 that can be opened and closed is provided at the lower front portion of the bathroom remote controller 2, and a reserved hot water switch section is provided inside the window 215. 217 is a reservation timer for setting the hot water discharge time, 218 and 219 are reservation timers 217
Hot water temperature preset switch and hot water amount preset switch for setting hot water temperature and hot water amount when the hot water is used, 220 is the hot water supply port unit 4 when hot water is supplied using the reservation timer 217.
A discharge port switching confirmation switch 221 operated when the user confirms that the switching valve 402 therein is switched to the bath 18 side, and 221 is a drain plug set switch for closing the drain valve,
227 is a drain switch for opening and draining the drain valve, 22
2 is provided at a position corresponding to the window 215 of the lid 216, and has a discharge port switching confirmation switch 220 and a drain plug set switch 2
With the automatic hot water supply preparation OK monitor that lights up when both of 21 are operated, the reservation timer 217 starts operating when the automatic hot water supply preparation OK monitor 222 lights up.

Reference numeral 223 is a tuner dial for radio channel selection, which is connected to a speaker 224 so that sound can be output. The speaker 224 is used for the reservation timer 21.
An alarm sound is output when the hot water is discharged by a command from 7, the telephone control, the HA control unit 8 or the like, or when hot water of about 45 ° C. or higher is discharged.

Next, referring to FIG. 9, the bathroom remote controller 2, the control unit 6, the mixing valve unit 7
Will be described in detail.

First, the case where the user directly supplies hot water will be described. The user opens the lid 216 of the bathroom remote controller 2 in the bathroom 12, sets the hot water temperature by the hot water temperature preset switch 218 that can be set between about 30 ° C. and about 55 ° C., and sets it between 0 l and about 350 l. The total hot water discharge amount is set by the preset hot water amount preset switch 219. When the hot water supply switch 208 is operated, the switch unit 601 turns on the drive unit 602, and the adjusting unit 603 sets the hot water side in the mixing valve unit 7 under the hot water conditions set by the hot water temperature preset switch 218 and the hot water amount preset switch 219. The motor 717 and the water side motor 718 are operated to adjust the hot water side valve body 713 and the water side valve body 715 to discharge hot water.

During tapping, the detection signal of the thermistor 724 provided in the mixing valve unit 7 is the hot water temperature comparison unit 604.
Entered in. At the same time, the detection signal of the flow rate sensor 725 is input to the integration unit 607, the amount of hot water is integrated, and the integration result is input to the flow rate integrated value comparison unit 606. Then, the hot water temperature comparison unit 604 compares the condition set by the hot water temperature preset switch 218 with the detection signal of the thermistor 724,
Based on the comparison result, the adjusting unit 603 causes the hot water motor 717 to operate.
The water side motor 718 is operated to adjust the hot water temperature.

In addition, the flow rate integrated value comparison unit 606 compares the setting condition of the hot water amount preset switch 219 with the integration result of the integration unit 607. If the contents match, the adjustment unit 6
03 operates the hot water side motor 717 and the hot water side motor 718, and stops hot water supply. Even when the hot water supply switch 208 is pressed during the hot water supply, the hot water supply is stopped halfway.

Next, a case where the user supplies hot water by remote control (hereinafter referred to as remote control) will be described.

First, the user opens the lid 216 of the bathroom remote controller 2 in the bathroom 12, sets the hot water temperature by the hot water temperature preset switch 218 which can be set between about 30 ° C. and about 55 ° C. The total amount of hot water discharged is set by the hot water amount preset switch 219 that can be set between about 300 l. When the timer reserved hot water is to be discharged, the reserved timer 217 sets the hot water reserved time. When the timer reservation hot water is not discharged, the time setting of the reservation timer 217 is set to zero.

Further, after confirming that the discharge port 44 of the hot water supply port unit 4 and the shower switching valve 402 have been switched to the discharge port 44 side, the discharge port switching confirmation switch 220 is pushed,
When the drain valve 21 is closed by the drain plug set switch 221, the switch portion 601 automatically prepares for hot water supply OK monitor 22
2 is turned on and the remote control hot water supply is on standby. In this state, the hot water discharge start signal from the telephone control (hereinafter referred to as teleconverter) switch 801, the remote control switch 802 of the HA control unit 8 or the reservation timer 217 of the bathroom remote control 2 is the switch section 601.
Switch unit 601 issues an alarm from speaker 224 of bathroom remote controller 2 and turns on drive unit 602 after a while, and adjustment unit 603 causes hot water preset switch 218 and hot water preset switch 2 to operate.
Under the hot water condition set in 19, the hot water side motor 717 and the hot water side motor 718 are operated to discharge hot water at the maximum flow rate.

Further, the detection signal of the thermistor 724 provided in the mixing valve unit 7 is input to the hot water temperature comparing section 604. At the same time, the detection signal of the flow rate sensor 725 is input to the integration unit 607, the amount of hot water is integrated, and the integration result is input to the flow rate integrated value comparison unit 606. Then, the hot water temperature comparing unit 604 compares the condition set by the hot water temperature preset switch 218 with the detection signal of the thermistor 724, and the adjusting unit 603 operates the hot water motor 717 and the hot water motor 718 according to the comparison result, Readjust. In addition, the flow rate integrated value comparison unit 606 compares the setting condition of the hot water amount preset switch 219 with the integration result of the integration unit 607, and if the contents match, the adjustment unit 603 causes the hot water side motor 717 and the water side motor 718 to operate. It is operated to stop hot water supply, send a reset signal to the switch unit 601, and turn off the automatic hot water supply preparation OK monitor 222. As a result, if the discharge port switching confirmation switch 220 and the drain plug set switch 221 are not operated again, the telecon switch 80
1, even if the hot water discharge start signal from the remote control switch 802 and the reservation timer 217 is input to the switch unit 601, the hot water discharge signal from the switch unit 601 to the drive unit 602 is not output.

In each of the above hot water supplies, the sum of the flow rates of hot water discharged is
Immediately after the drive unit 602 is turned on by a signal from the hot water supply switch 208 or the switch unit 601, the drive unit 6
This is started when the new integration start signal is sent from 02 to the integration unit 607 at the same time as the clear signal of the previous integration result.

As described above, the initial hot water supply to the bathtub 18 is completed. Next, a case where the user uses boiling water while taking a bath will be described.

The user operates the bathroom remote controller 2 at about 45 ° C.
The hot water temperature and the flow rate are adjusted by the hot water temperature adjusting switch 201 and the flow rate adjusting switch 204, which are capable of adjusting the hot water temperature below. Generally, when making hot water, there are times when hot water of about 45 ° C. or higher is to be discharged. Many. At this time, by simultaneously pressing the hot water switch 207 and the hot water temperature adjusting switch 201 of the bathroom remote controller 2, hot water of 45 ° C. or higher can be discharged. Further, at this time, the hot water temperature input unit 225 outputs the latest input value to the temperature comparison unit 604. Therefore, the hot water temperature adjustment switch 201 does not have the setting condition of the hot water temperature preset switch 218.
The set value of is output to the hot water temperature comparison unit 604. When the hot water supply switch 208 is operated after setting the hot water temperature and the flow rate in this way, the drive unit 602 is turned on, and the adjusting unit 603 operates the hot water side motor 717 and the water side motor 718 according to the above setting contents, The valve operating body 713 and the hot water side operating valve body 715 are adjusted to discharge hot water. Also at this time, the thermistor 724 and the flow rate sensor 72
5, the hot water temperature comparison unit 604 and the flow rate comparison unit 605 perform feedback control.

Next, the case where the user uses the shower unit 3 while taking a bath will be described. User is the washroom 1
The shower head 301 is removed from the storage box 304 embedded in the wall surface of 9, and the storage box 304
The shower hose 306 is pulled out and used. On the other hand, the user uses the hot water temperature control switch 20 of the bathroom remote control 2.
1 and the flow rate adjustment switch 204 are used to set a desired hot water discharge condition. At this time, even if the hot water temperature adjustment switch 201 is accidentally set to a high temperature, the hot water switch 207 is not operated, so that the hot water temperature is not set to about 45 ° C. or higher. After the above setting, when the switching valve 402 of the hot water supply port unit 4 is switched to the shower side, hot water is discharged from the shower unit 3 under the above set conditions. The control of the hot water temperature and the flow rate at this time is the same as the above-mentioned direct hot water supply, remote control hot water supply, and the like.

Next, a case where the user recirculates and reheats the hot water temperature in the bathtub 18 by the reheating unit 5 while taking a bath will be described. If the drain plug set switch 221 of the bathroom remote control 2 is operated when preparing to take a bath, as described above, the bathtub 1
8 The drain valve 21 connected to the drain port 20 at the bottom closes,
The above state is maintained during bathing. When the reheating switch 209 of the bathroom remote controller 2 is operated, the heater 501 and the pump 502 provided in the reheating unit 5 are operated by the signal and the hot water sucked from the drainage port 20 at the bottom of the bath 18 is removed. It is further heated and discharged into the bath 18 through the circulation discharge port 405 provided in the hot water supply port unit 4. When the hot water in the bathtub 18 reaches an appropriate temperature and the user operates the reheating switch 209 again, the reheating is stopped.

During the reheating operation, the reheating display lamp 226 lights up to indicate that the reheating operation is in progress. When the water level sensor 503 of the reheating unit 5 causes the water level in the reheating unit 5 to be insufficient, the heater 501 and the pump 502 do not operate.

Next, the case where the user finishes bathing and drains the hot water in the bathtub 18 will be described. The drainage of the bathtub 18 is drained from the drainage pipe 22 by operating the drainage switch 227 provided on the lower surface of the bathroom remote controller 2 to open the drainage valve 21 connected to the drainage port 20 of the bathtub 18. . At this time, the hot water in the reheating unit 5 is also drained at the same time.

In this embodiment, the control unit 6, the bathroom remote controller 2 and the HA control unit 8 are used.
Although the example of electrically connecting at a low voltage has been described above, the same action and effect can be obtained by connecting by an optical fiber or wireless instead of the low voltage line.

Although the bathroom remote controller 2 is provided between the bathtub 18 and the washing room 19 in this embodiment, the bathtub 1
The same action and the same effect can be obtained regardless of whether they are provided in the vicinity of 8 or in the washing room 19.

In the present embodiment, an example in which the mounting position of the hot water supply port unit 4 is provided on the wall surface of the bathroom 12 above the bath tub 18 has been described, but even if it is integrated at the upper edge of the bath tub 18, it is provided above the bath tub 18. However, the same action and effect can be obtained.

In this embodiment, the example in which the control unit 6 and the mixing valve unit 7 are integrally provided has been described.
Both of them can obtain the same action and the same effect even if they are separately installed.

Although the control unit 6 and the mixing valve unit 7 are installed near the bathroom 12 in this embodiment, the mixing valve unit 7 and the control unit 6 are provided near the water heater 1 or inside the water heater 1. Even if it is provided, the same action and the same effect can be obtained.

According to the above configuration, the following effects can be obtained. (1) Controlling the temperature, quantity, and flow rate of hot water used in the bathroom 12 is performed by controlling the electric signal from the bathroom remote controller 2 installed in the bathroom 12 or the HA control unit 8 installed in another room via the control unit 6. Since it is done by sending it to the mixing valve unit 7, remote control hot water, timer reserved hot water, telecon hot water from outside where it is not possible with conventional mechanical mixing faucets, etc. are convenient for use. The operability and performance have been greatly improved.

(2) Since the amount of hot water discharged to the bathtub 18 can be arbitrarily set according to the required amount by the hot water amount preset switch 219 of the bathroom remote controller 2, the existing bathtub can be used regardless of the size of the bathtub 18. . Further, since automatic quantitative water stopping can be performed with high accuracy, there is no overflow and water saving and energy saving are improved.

(3) By providing the booster pump 15 in the hot water supply pipe 17 of the mixed water outlet 726 of the mixing valve unit 7, the hot water supply pressure is improved, and the pressure reducing valve 13 is used in the conventional direct water supply type hot water supply type hot water supply device 1. Therefore, the comfort of hot water supply is improved, such as the use of a shower on the second floor or the use of a high-pressure shower, which had many problems due to insufficient hot water supply pressure.

(4) The shower head 301 and the shower hose 306 of the shower unit 3 are stored in the storage box 3
No. 04, and the nozzle changeover switch 303 provided in the shower head 301 can easily switch between the water conditioning and the shower discharge state. Therefore, the conventional water shower and the conventional shower provided separately. The installation space is smaller than that of the attached mixed faucet, and the effective space of the washing place 19 is increased. In addition, the number of unnecessary protrusions is reduced and the safety is improved.

(5) Automatic hot water supply by signals from the reservation timer 217 provided in the bathroom remote controller 2 or the remote control switch 802 provided in the HA control unit 8 and the telecon switch 801 is connected to the drain port 20 of the bathtub 18. Drain valve 2 provided on the drain pipe 22
1 is closed and it is performed after it is confirmed that the switching valve 402 of the hot water supply port unit 4 is switched to the discharge port 404 side to the bathtub 18, so that forgetting to close the drain plug of the bathtub,
It is possible to prevent a hot water discharge error due to forgetting to set the switching valve 402 or the like.

(6) Before starting automatic hot water supply by the remote control switch 802, the telecon switch 801, and the reservation timer 217, the bathroom remote control 2 installed in the bathroom 12
Since the alarm sound is emitted from the speaker 224, even when a person is in the bathroom 12, it is possible to prevent an accident due to an unexpected hot water discharge.

(7) Since hot water is supplied to the bathtub 18 from the discharge port 404 or the circulation discharge port 405 provided in the cover case 401 of the hot water supply port unit 4, the appearance is
It is safe because it saves space and has good workability, and there is no risk of direct contact with high temperature parts such as the discharge port 404, the circulation discharge port 405, and the switching valve 402.

(8) Cover case 4 for hot water supply port unit 4
Since 01 is removable, it is easy to replace it with a different color, pattern, or shape according to preference.

(9) The outlet port 404 of the hot water inlet unit 4 is detachably connected to the supply port 403 of the switching valve 402. Therefore, for example, a wide outlet port or a shower-shaped outlet port can be changed according to preference. It is easy to replace with a shape.

(10) The bathroom remote controller 2 is attached to the bathtub 18
Since it is provided between the washing areas 19, the bathroom remote controller 2 can be easily operated from the bathtub 18 or the washing area 19.

(11) Shower unit 2 and bathtub 1
The hot water supply port unit 4 provided with the switching valve 402 for switching hot water supply to the bathtub 8 is installed on the upper surface of the bathtub 18
The hot water supply can be easily switched from inside or from the washroom 19.

(12) Bathroom remote control 2 and HA
Since an electric signal from the control unit 8 to the control unit 6 uses a low voltage, it is safe and wiring work is easy.

(13) Since the amount of remaining hot water of the hot water supply device 1 and the state of running out of hot water are displayed on the remaining hot water amount of the bathroom remote controller 2 installed in the bathroom 12 and the hot water shut-off display section 211, in the conventional hot water storage type hot water supply device. It is possible to improve usability by eliminating the anxiety of sudden running out of water during bathing, which has been a problem.

(14) Since the hot water discharge can be electrically controlled by the HA control unit 8 from other than the bathroom 12, centralized management is easy not only in general households but also in hotels, condominiums, etc. It is possible to prevent accidents caused by hot water and improve resource and energy saving.

(15) Since the hot water supply time can be reserved by the reservation timer 217 provided in the bathroom remote controller 2, the hot water supply waiting time for bathing is not required and the time can be effectively utilized.

(16) The hot water supply switch 208, the hot water temperature control switch 201, the flow rate control switch 204, etc. of the bathroom remote controller 2 can be changed to a desired state by one-touch operation of the hot water supply switch, the hot water temperature control switch, the hot water flow control switch 204, etc. It can be used safely and comfortably by free people, children and the elderly.

(17) Since the circulation reheating circuit of the reheating unit 5 and the hot water supply port unit 4 is formed by utilizing the drainage port 20 of the bathtub, the conventional hot water supply system 1 drops water into the bathtub 18 to supply hot water. When the temperature of the hot water in the bathtub 18 drops, which is a problem, it is not necessary to maintain the hot water temperature with hot water. As a result, there is a risk of burns due to hot hot water,
The increase in the amount of hot water in the bathtub 18 is eliminated, and the hot water temperature in the bathtub can be maintained safely and efficiently. The circulation reheating can be easily used in an existing bathtub because the drainage port 20 of the bathtub is used.

(18) Since the hot water in the bathtub 18 is sucked and circulated from the lowest temperature portion by the pump 502 of the reheating unit 5, the uniformity of the hot water temperature distribution in the bathtub 18 is improved.

(19) In the flow rate integrated value comparison unit 606, the setting condition of the hot water amount preset switch 219 and the integration unit 607.
When the contents are compared, the flow rate integrated value comparison unit 606 sends a hot water supply stop signal to the adjustment unit 603.
Reset signals are simultaneously output to the switch unit 601. As a result, if the discharge port switching confirmation switch 220 and the drain plug set switch 221 are not operated again, the telecon switch 801 and the remote control switch 80
2. Even if the hot water discharge start signal from the reservation timer 217 is input to the switch unit 601, the switch unit 601 drives the drive unit 6
No hot water output signal to 02 is output, so the hot water is not automatically discharged. Accordingly, even if a hot water discharge command is output again from the outside after completion of hot water supply, there is no problem such as overflow or hot water shortage due to double hot water discharge.

(20) Hot water supply switch 208, hot water temperature control switch 201, flow rate control switch 204, hot water switch 207, additional hot air switch 20 of the bathroom remote controller 2.
9, the switch surface of the bus interphone 214,
The contents of each switch are displayed in braille, and different sounds are output from the speaker 224 according to the operated switch when each switch is operated, so that even a visually handicapped person can use it easily and safely. it can.

(21) Since the mixing valve unit 7 and the hot water supply port unit 4 are separated, the installation position of the mixing valve unit 7 can be freely set in the range from near the water heater 1 to near the hot water supply port unit 4. The workability can be improved.

[0066]

As described in the above embodiments, the bath apparatus according to the present invention includes a water heater, a mixing valve unit for mixing hot water from the water heater and water from the water supply to a preset temperature, and the mixing valve unit. Connected via a pipe to a discharge port provided near the bathtub of the bathroom, a switching valve for switching discharge to a plurality of discharge ports, a drainage valve of the bathtub, a control unit of the mixing valve unit, and A bathroom remote controller is provided inside the bathroom and a home automation control unit is provided outside the bathroom by electrically connecting to the control unit. Since it is configured to control so that it can be performed only when the drain valve closing signal is input, Operation control of the mixing valve unit is carried out by remote control from the outside in or bathroom bath,
Safe, convenient, reliable, labor-free, and comfortable, there is an effect that hot water at the time of bathing, use of hot water, and maintenance of hot water temperature in the bathtub can be performed by simple operation.

[Brief description of drawings]

FIG. 1 is a schematic diagram showing a piping system of a bath device according to an embodiment of the present invention.

FIG. 2 is a perspective view of the appearance of the piping system of the bath device of the same embodiment.

FIG. 3 is a cross-sectional view of a switching valve of a hot water supply port unit of the bath device.

FIG. 4 (A) is a perspective view of the shower head of the shower unit of the same bath apparatus in a shower state (B) is a perspective view of the shower head of the shower unit of the same bath apparatus in the state of water conditioning

FIG. 5 is a sectional view of a mixing valve unit of the bath device.

FIG. 6 is an exploded perspective view of a cylinder and a piston of the mixing valve unit of the bath device.

FIG. 7 is a perspective view showing a mutual positional relationship between the valve body and the fixed valve body of the mixing valve unit of the bath device.

FIG. 8 is an external perspective view of a bathroom remote controller of the bath device.

FIG. 9 is a block diagram of the bath device.

FIG. 10 is a schematic diagram of a piping system of a bath device showing a conventional example.

FIG. 11 is an external perspective view showing a piping system of the bath device.

[Explanation of symbols]

 1 Hot Water Heater 2 Bathroom Remote Controller 402 Switching Valve 404 Discharge Port 6 Control Unit 7 Mixing Valve Unit 8 Home Automation Control Unit 12 Bathroom 18 Bathtub 21 Drain Valve

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Riteru Miyoshi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (9)

[Claims] 1. A water heater for heating water, a mixing valve unit for mixing hot water from the water heater and water from the water supply to a set temperature, and a pipe for connecting to the mixing valve unit to form a bathtub in a bathroom. A discharge port provided in the vicinity, a switching valve for switching discharge to a plurality of discharge ports, a drainage valve of the bathtub, a control unit of the mixing valve unit, and electrically connected to the control unit,
A bathroom remote controller is provided in the bathroom, and a home automation control unit is provided outside the bathroom.For the hot water to the bathtub in the home automation control unit, the discharge port is switched to the bathtub side, and the drain valve A bath device that controls hot water only when a valve closing signal is input. 2. The bath apparatus according to claim 1, wherein the bathroom remote controller is provided with a hot water tap reservation timer, and the home automation control unit is provided with a remote control hot water switch and a telephone control switch. 3. A hot water supply switch, a hot water temperature control switch, a flow rate control switch, a hot water switch, a reheating switch, a hot water temperature display unit, a flow rate display unit, a hot water output amount display unit, and a residual hot water amount of the hot water supply device in the bathroom remote controller. And a hot water outage display, interphone, reservation timer, hot water temperature preset switch, hot water amount preset switch, outlet selection confirmation switch, drain plug set switch, drain switch, automatic hot water supply preparation OK monitor, radio tuner, and speaker. The bath device according to claim 1. 4. The bath apparatus according to claim 1, wherein the control unit of the mixing valve unit, the bathroom remote controller, and the home automation control unit are electrically connected at a low voltage. 5. The bath apparatus according to claim 1, wherein a bathroom remote controller is provided between the bathtub and the washing room. 6. A cover case covers a discharge port connected from a mixing valve unit through a pipe, a switching valve for switching discharge to a plurality of discharge ports, and a circulation discharge port for circulating and discharging hot water into a bath. The bath apparatus according to claim 1, wherein the hot water supply port unit is provided near the bathtub in the bathroom. 7. The bath apparatus according to claim 1, further comprising a shower unit extending from the hot water supply port unit and including a shower hose and a storage box for storing the shower head therein. 8. The front of the storage box has an opening that fits into the outer shape of the shower head and has a shower hose penetrating and retracting therein, and a part of the wall penetrates the inside and outside of the wall to the shower hose. The bath device according to claim 1, wherein a shower unit including a storage box having the water supply connection port is installed with the front surface of the storage box facing the inside of the bathroom. 9. A reheating circuit for circulating a circulation discharge port, a bathtub, a drainage port of the bathtub, a circulation pipe, and a reheating unit, and a drain valve and a drain pipe branched from the circulation pipe. The bath device according to claim 1, wherein