JPH05296560A - Automatic bath apparatus - Google Patents

Abstract

PURPOSE:To eliminate a drain cock from a bathtub and to control water of the bathtub only by an operation switch on an operation board by forcibly draining the bathtub by a circulation pump via a three-way valve in order to completely automate an operation of a bath. CONSTITUTION:A hot water supplying apparatus with an additional burning function has a hot water circuit and additional burning circuits 7, 8 in which the water circuit is connected to the circuits 7, 8 through a closing valve. A forward tube 7 between the circuits 7, 8 and a bathtub 1 is connected to a side of the bathtub 1, and a return tube 8 therebetween is connected to a drain port 16 of the bathtub 1. A water level sensor 5, a water flow detector 4, a pump 2 and a three-way valve 6 are provided in the circuits 7, 8. The circuit 7, 8 and a drain circuit 23 are switched by the valve 6. An operation board 14 has an automatic operation switch 15, a residual hot water use switch 16, and a drain switch 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure and system of an automatic bath in an automatic bath device with a hot water supply function.

[0002]

2. Description of the Related Art A conventional automatic bath device with a hot water supply function, for example, as shown in FIG.
, An additional heating heat exchanger 3 that heats the bath water, a water flow detector 4 that determines whether the bath water is circulating, and a water level sensor that detects how much water is in the bath 1. 5
An on-off valve 6 is provided in a reheating circuit composed of a forward pipe 7 and a return pipe 8 connected to the bath 1. Further, a hot water supply heat exchanger 9 for heating the water supply, a hot water supply pipe 10 for guiding the heated water to the hot water supply lan, or a pouring valve 11 for supplying or stopping the heated hot water to the bath tub 1 are configured. The pouring circuit is connected to the reheating circuit at the confluence 12. The control device 13 and each actuator are electrically connected by a broken line.

The operation panel 14 is provided with an automatic operation switch 15 for automatically pouring hot water into the bathtub 1, and is electrically connected to the control device 13 by a broken line in the figure.

Therefore, when pouring hot water into the bathtub 1, the bathtub 1
After the drain plug 16 is securely inserted and closed, the automatic operation switch 15 is turned on. At this time, if the drain plug 16 is not securely inserted, or if the drain plug 16 is forgotten to be closed, there is no rise in the water level after supplying a predetermined flow rate to the bathtub 1, so the water level sensor 5 Detect and stop operation.

[0005]

However, in the above-mentioned configuration, although the device can be stopped on the safe side by forgetting to close the drain plug 16 or detecting the leak of bath water,
You cannot take a bath at that time. In addition, the troublesomeness of a person operating the drain plug 16 reliably remains.

Therefore, according to the present invention, when there is remaining hot water in the bathtub, the manual operation of the drainage is not performed, and the hot water is automatically poured into the bathtub 1 only by operating the switch of the operation panel 14. The purpose of this is to improve the usability of the use of.

[0007]

In order to achieve the above object, the first means of the automatic bath apparatus according to the present invention is a reheating circuit for connecting to a bath and circulating the bath water with a pump for heating. And a hot water supply circuit for supplying hot water to the bathtub via the additional heating circuit, a water level sensor and a water flow detector in the additional heating circuit, and a three-way valve for draining the bath water out of the machine on one side, and the additional heating circuit and the bathtub. The forward and return pipes are connected to the side of the bathtub and the other return side is connected to the bottom of the bathtub. Be prepared.

The second means of the present invention is to display a washing water pouring switch for pouring bath water into the washing machine and the amount of water level in the bath.

[0009]

In the automatic bath apparatus of the present invention by the above first means, when the switch for automatic operation is turned on, the direction of the switching valve rotates in the drainage direction when the switch for using residual hot water is off. At the same time, the pump operates to drain the water in the bath. When the water in the bathtub becomes empty and the water flow detector is turned off, the switching valve rotates and the reheating circuit is opened.
At the same time, stop the pump. Then, the pouring valve is opened to slightly pour hot water into the bathtub. Then, the switching valve is rotated so that the reheating circuit is closed. Then, while measuring the water level with the water level sensor, the hot water is poured up to a predetermined water level to complete the hot water welding.

In this way, the hot water in the bath can be automatically operated by operating the switch on the operation panel without operating the drain plug in the bathtub, and the troublesomeness of pulling out or inserting the drain plug can be eliminated.

In the automatic bath apparatus of the present invention by the above second means, the switching valve is connected to the water injection port of the washing machine, so that a separately prepared washing water injection switch for the washing machine is turned on.
If it is set to N, the water remaining in the bathtub can be poured into the washing machine without waste. In addition, the remaining amount is displayed even if you do not look into the bathtub, which is a guide for how many times you can wash and pour water.

In this way, the user can reuse the hot water remaining in the bathtub or simply drain it without the need to check the drain plug of the bathtub, and the automatic bath is very convenient to use. A device can be provided.

[0013]

Embodiments of the automatic bath apparatus according to the present invention will be described below with reference to the drawings.

FIG. 1 shows one embodiment of the present invention, in which a bath 1 is a circulation pump 2, a reheating heat exchanger 3 for heating bath water,
A water flow detector 4 for detecting the presence or absence of water flow, a water level sensor 5 for detecting the bath water level, a three-way valve 6 for switching between the reheating circuit A and the drainage circuit B, a drain pipe 23 for guiding drainage, and a temperature detector T. It is connected to the bathtub 1 through the heating circuit A, the outflow pipe 7, and the return pipe 8 connected to the drain plug 16 of the bathtub 1. A hot water supply circuit C is connected to the additional heating circuit A at a confluence 12.
The hot-water supply circuit C includes a hot-water supply heat exchanger 9 that heats the hot-water supply, a hot-water supply pipe 10 that guides the heated hot water to the hot-water supply lantern, and a pouring valve 11 that opens and closes the hot-water supply to the bathtub 1. The driving operation is performed by operating a switch provided on the operation panel 14. It is an automatic operation switch 1 that automatically fills the bathtub 1 with hot water.
5, a residual hot water use switch 17 capable of selecting whether or not to reuse the residual hot water in the bathtub 1, and a drain switch 18 for forcibly draining the residual water in the bathtub 1. Further, the control device 13, each actuator, and the operation panel 14 are electrically connected as shown by a broken line in the figure, and control the operation of this device.

FIG. 2 shows a detailed embodiment of a portion for connecting the bathtub 1, the outflow pipe 7 and the return pipe 8 in one embodiment of the present invention. The return pipe 8 is a connection body 19 instead of the drain plug body.
It is connected to the bottom of the bathtub 1 via the connection body 19, and the connection body 19 is equipped with a filter 20 and fastened with a nut 22 via a packing 21. Further, the outgoing pipe 7 is connected to the discharge port 23.

The operation will be described based on the above configuration. When the automatic operation switch 15 of the operation panel is turned on and the residual hot water use switch 17 is turned off, the three-way valve 16 is connected to the drainage circuit C and at the same time the circulation pump 2 is operated to drain the residual water in the bathtub 1 into the drainage pipe. Drain through 23. When there is no residual water, the water flow detector 4 is turned off, the signal is received, the three-way valve 6 is connected to the reheating circuit A, and the pump 2 is stopped at the same time. Next, the pouring valve 11 is opened, and the hot water supply heat exchanger 9 supplies the hot water, which has heated the water supply, to the bathtub 1 through the forward pipe 7 and the return pipe 8. After supplying a certain amount, the three-way valve 6 is closed and hot water is supplied only through the outflow pipe 7. At this time, the water level sensor 5 detects the water level and closes the pouring valve 11 when the water has been supplied to a predetermined water level, and stops the supply of hot water from the hot water supply heat exchanger 9. Then, the three-way valve 6 is connected to the reheating circuit again, the circulation pump 2 is operated, the temperature is detected by the temperature detector T, and if the predetermined temperature is not reached, the reheating heat exchanger 3
Then, the hot water in the bathtub 1 is heated to a predetermined temperature and the operation is completed.

Next, the switch 17 for using the remaining hot water of the operation panel 14
The case where is ON will be described. Automatic operation switch 15
When is turned on, the water level sensor 5 detects the presence or absence of residual hot water,
When there is residual hot water, the hot water is supplied to a predetermined water level, and finally heated to a predetermined temperature to complete the process. When there is no remaining hot water, the same operation as when the above-mentioned remaining hot water use switch is turned on is performed.

Next, a second embodiment of the present invention will be described with reference to FIG.
Described in. The same parts as those in the above embodiment are designated by the same reference numerals, detailed description thereof will be omitted, and different parts will be described. The drain pipe 23 and the washing machine 24, which form the drain circuit of the three-way valve 6, are connected via a manual three-way valve 28. One of the manual three-way valves 28 is led to the washing machine 24 and the other is led to the drainage channel through the drainage pipe 23a connected to the drainage pipe 23b of the washing machine 24. The operation panel 25 is provided with a wash water injection switch 26 and a residual hot water display panel 27 for displaying the residual hot water.

The operation will be described based on the above configuration. When the residual water in the bathtub 1 is to be supplied to the washing machine 24, the manual three-way valve 28 is directed toward the washing water injection. Then, the washing water injection switch 26 of the operation panel 25 is turned on. The water level sensor 5 of the automatic bath device confirms the water level of the bathtub 1, switches the three-way valve 6 to the drain circuit, operates the circulation pump 2, and supplies the residual water in the bathtub 1 to the washing machine 24. When the washing machine 24 is full of water, the washing water injection switch 26 is turned off. The three-way valve 6 is switched to the closed state and the circulation pump 2 is stopped. The remaining hot water display panel 27
Indicates the remaining hot water by the water level sensor 5, but the display timing is the data measured by the water level sensor 5 when the three-way valve 6 is closed and the circulation pump 2 is stopped. Next, when the water in the bathtub 1 becomes empty, the water flow detector 4 turns off.
It becomes a signal and the three-way valve 6 is closed to stop the circulation pump 2. Then, the remaining hot water display panel 27 becomes an empty display.

In any of these cases, in the conventional apparatus, in order to operate the automatic bath operation, a person must enter the bathroom and operate the bathtub stopper. If the stopper is not inserted securely, water will leak and hot water will not be completed. However, in this embodiment, the return pipe 8 of the additional heating circuit is
Is connected to the drain plug 6 of the bathtub 1, the water level sensor 5, the circulation pump 2, the water flow detector 4 and the three-way valve 6 are provided in the reheating circuit, and the three-way valve 6 is used for draining, closing and reheating. Automatic drainage is possible, eliminating the uncertainty and annoyance of drain plugs.

Further, even when the residual water is used for the washing machine, the residual water in the bathtub can be completely used.

[0022]

As is apparent from the above description, according to the first aspect of the automatic bath apparatus of the present invention, the drain plug of the bathtub can be operated only by the switch operation of the operation panel without a human being. When there is residual hot water in the bathtub, it is possible to realize an automatic bath device that first drains water and then automatically supplies fresh hot water.

According to the second aspect, when the residual water in the bathtub to the washing machine is used, the water level of the bathtub can be easily confirmed on the display device, and the convenience of using the residual hot water can be improved by operating the washing water injection switch.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an embodiment of an automatic bath device according to the present invention.

FIG. 2 is a cross-sectional view showing the details of each of the outgoing and return pipes connected to the bathtub of the same apparatus.

FIG. 3 is a configuration diagram showing a second embodiment of the same device.

FIG. 4 is a block diagram of a conventional automatic bath device.

[Explanation of symbols]

 1 Bathtub 2 Circulation pump 3 Reheating heat exchanger 4 Water flow detector 5 Water level sensor 6 Three-way valve 7 Outgoing pipe 8 Return pipe 15 Automatic operation switch 17 Remaining hot water use switch 24 Washing machine 26 Washing water pouring switch 27 Remaining hot water display

Claims (2)

[Claims] 1. A reheating circuit connected to a bathtub to circulate and heat the bathwater by a pump, a hot water supply circuit for supplying hot water to the bathtub through the reheating circuit, and a water level sensor for the bathtub in the reheating circuit. A switching valve having one of a water flow detector and one for draining bath water to the outside of the device is provided, and a forward pipe connecting the additional heating circuit and the bath is configured to be connected to a side surface of the bath and a return pipe to a lower portion of the bath, and is left in the bath. When there is hot water, an automatic bath device equipped with an automatic hot water filling switch that automatically fills new hot water after draining. 2. The automatic bath apparatus according to claim 1, further comprising a washing water pouring switch for connecting a switching valve and a water pouring port of the washing machine to instruct pouring of bath water into the washing machine, and a display device for displaying the bath water level.