JPH03212238A - Automatic water supply/discharge type cleaning device for bathtub - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a method for automatically draining and cleaning a bathtub for a small number of people.
Furthermore, the present invention relates to an automatic water supply and drainage cleaning device capable of supplying water.

[Prior Art] Conventionally, when supplying water or hot water to a bathtub, metered water stop valves and automatic water stop devices that stop water supply at a predetermined amount have been commercially available.
Drainage from the bathtub is done manually by removing the drain plug.

Furthermore, bathtubs are washed directly by people using scrubbers, etc., and this is not done automatically.

Furthermore, the cycle of draining a bathtub and then washing it with hot water has not been automated, and no such device has been developed.

[Problems to be Solved by the Invention] Although there are devices and appliances that automatically supply water and hot water to bathtubs, as in the prior art described above, draining and cleaning of bathtubs relies on manual labor, so there is no labor-saving effect. For elderly and weak people, the work requires an unstable posture and is dangerous. Furthermore, when supplying water or hot water using a remote control system such as a telecontrol system, it is necessary to check whether the water is being drained or being cleaned, which limits the scope of its use and is not used much.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to make it possible to automatically drain and clean a bathtub for a small number of people, and also to enable reliable draining, cleaning, hot water supply, and water supply even by remote control.

[Means for Solving the Problems] The present invention is an automatic water supply and drainage cleaning device for a bathtub that achieves the above-mentioned object.It is provided with a drain plug and a cleaning nozzle at the bottom of the bathtub, and supplies water or hot water to the top of the bathtub. Set up a water supply. The opening/closing part of the drain valve is configured to be operable by water pressure, and is communicated with the water supply pipe via a solenoid valve.

Further, the cleaning nozzle communicates with the water supply pipe through a solenoid valve, and the water supply device communicates with the water supply pipe through a solenoid valve. A controller is provided to open/close or switch control the three electromagnetic valves, and water is selectively passed through each electromagnetic valve.

[Function] In the automatic water supply and drainage cleaning device described above, the controller first opens the solenoid valve that communicates with the opening/closing part of the drain valve, uses the water pressure to open the opening/closing part, and drains the water in the bathtub from the drain valve. drain. After draining, the controller opens the solenoid valve connected to the cleaning nozzle, and the water from the water supply pipe is sprayed from the cleaning nozzle onto the inner wall of the bathtub to clean the bathtub.

After this cleaning, the two electromagnetic valves are closed by the controller, and the drain valve closes by its own weight since no water pressure acts on the opening/closing part.

Next, the controller opens the solenoid valve communicating with the water supply device to supply water or hot water into the bathtub, and upon receiving a signal of a predetermined water level from the water level gauge, the controller closes the solenoid valve for water supply and stops.

[Example] Embodiments of the present invention will be described with reference to FIGS. 1 to 6.

A drain plug 2 and a cleaning nozzle 3 are provided at the bottom of the bathtub 1, and a water supply device 4 is provided at the top of the bathtub 1. The drain plug 2 is connected to a drain pipe 5 that guides the drain water in the bathtub 1 to the outside, and a cylinder 6 is provided below the drain plug 2 as an opening/closing part. The cylinder 6 is connected to a water supply pipe 9 via a water pressure pipe 7 and a three-way solenoid valve 8, and when the three-way solenoid valve 8 is switched and controlled by a controller 10 to supply water to the cylinder 6, the water pressure is increased. The cylinder 6 opens the drain plug 2 at this point. The three-way solenoid valve 8 is connected to the drain pipe 5 through a conduit 11, and as shown in FIG. There is. Note that when the hydraulic piping 7 is connected to the conduit 11, the cylinder 6 is contracted by the weight of the drain plug 2 to close the drain plug 2.

The cleaning nozzle 3 is communicated with a water supply pipe 13 through a cleaning cylinder 12, and an on-off solenoid valve 14 provided in the middle of the water supply pipe 13 is controlled to open and close by the controller 10, and when it is opened,
As shown in Figure 4, the water from the water supply pipe 13 is removed from the cleaning nozzle
It is designed to be sprayed from.

The water supply device 4 is connected to a water supply pipe 15 for introducing water or hot water, and an opening/closing solenoid valve 16 provided in the middle of the water supply pipe 15 is controlled to open or close by a controller 10, and when it is opened, water is supplied into the bathtub 1. It is supposed to be done. A water level gauge 17 is provided in the bathtub l, and when the water level in the bathtub reaches a predetermined level, the water level gauge 1
7 sends a signal to the controller IO, and upon receiving the signal, the controller closes the on-off solenoid valve I6 to stop water supply.

The controller IO controls a three-way solenoid valve 8, two open/close solenoid valves 14 and 16, and three timers T8 and TI shown in FIG.
4. A circuit using TI6 allows switching or opening/closing control at appropriate time differences. In the circuit shown in FIG. 5, the switch sections Tea, T, b, T148 and T14b of the timers T8, TI4, and TI6, respectively,
, T ts a and T + sb, the switch parts with subscripts a5b are switched at different times, and S and 7 are the water level gauges 1 and 7.
This switch is turned on when the amount of water supplied reaches position 7. When the main switch 18 in Fig. 5 is turned on by remote control using the telecontrol system or manually, the three timers T8, TI4, and T16 are switched at appropriate time intervals to automatically drain, clean, and supply water to the bathtub l. It is now possible to do this.

The three electromagnetic valves 8, 14, and 16 which are switched or controlled to open and close by the controller IO are as shown in the timer operation diagram in FIG. Note that the ON state in FIG. 6 indicates the solenoid valve is open or the water supply state, and the OFF state indicates the solenoid valve is closed or the water supply is stopped. As shown in Fig. 6, the three-way solenoid valve 8 for the drain plug 2 is initially in the water supply state, and the drain plug 2 is opened to drain water.
Next, the opening/closing solenoid valve 14 for the cleaning nozzle 3 is opened to perform cleaning, and the cleaning water is drained from the opened drain plug 2. Thereafter, the three-way solenoid valve 8 and the on-off solenoid valve 14 stop supplying water or switch to the closed state, and at the same time, the on-off solenoid valve 16 for the water supply device 4 opens to supply water to the bathtub l.

Then, the water level gauge 17 sends a predetermined water level signal to the controller l.
When transmitted to O, the on-off solenoid valve 16 for the water supply device 4 is closed and water supply is stopped.

[Effects of the Invention] According to the present invention, the opening and closing of the drain valve of the bathtub and the supply of water to the cleaning nozzle and water supply device are automatically controlled by remote control by controlling the opening, closing, or switching of three solenoid valves by a controller. It is very convenient because it can drain, clean, and supply water, saving you the trouble of handling it.
Since the water supply work is done sequentially, you have to check the drainage and cleaning (but you can refill the water without forgetting to do those tasks).

[Brief explanation of drawings]

Fig. 1 is an overall system diagram of the automatic water supply and drainage cleaning device of the present invention, Fig. 2 is a plan view of the bathtub, Fig. 3 is an explanatory diagram showing the switching state of the three-way solenoid valve, and Fig. 4 is an explanation showing the cleaning of the bathtub. Figure, 5th
The figure is a circuit diagram of the controller, and FIG. 6 is an operation diagram showing the operating states of three electromagnetic valves. l; bathtub 2; drain plug 3; cleaning nozzle 4; water supply 6; cylinder 8; three-way solenoid valve 9; water supply pipe lO; controller 14° open/close solenoid valve 16; open/close solenoid valve 17° water level gauge

Claims (3)

[Claims] (1) The opening/closing part of the drain plug provided at the bottom of the bathtub is configured to be operable by water pressure, and the opening/closing part is communicated with the water supply pipe via the first solenoid valve, so that the cleaning nozzle provided in the bathtub can be operated. A water supply device that communicates with the water supply pipe via the second solenoid valve and supplies water or hot water to the bathtub is communicated with the water supply pipe via the third solenoid valve, and opens and closes the three solenoid valves to selectively allow water to flow. Alternatively, there is provided an automatic water supply and drainage cleaning device for a bathtub, characterized in that it is provided with a controller for switching control. (2) The controller is configured so that the three solenoid valves are opened/closed or switched at appropriate time intervals, and automatically drain, drain,
A claim characterized in that cleaning and water supply are possible (
1) The automatic water supply and drainage cleaning device for a bathtub as described in 1). (3) The automatic water supply and drainage cleaning device for a bathtub according to claim (1) or (2), wherein the bathtub is provided with a water level gauge and a water level signal is transmitted to the controller.