JPH0584270A - Bathtub system - Google Patents

Abstract

PURPOSE:To take a bath in the course of backwash of a filter tank, and also, to shorten remarkably the time required for its filtration so that an agreeable jet bath can be enjoyed. CONSTITUTION:In a piping between a water absorption port 2a and a water discharge port 2b of a bathtub 2, a circulating pump 4 and a filter tank 8 are connected in series in this sequence, a bypass piping 20 is connected in parallel to the filter tank 8, and in the bypass piping 20, a control valve 22 driven to an open side in a backwash mode is provided. In a filtration mode, bathtub water from the circulating pump 4 is allowed to circulate through the filter tank 8, and in a backwash mode, the bathtub water from the circulating pump 4 is allowed to circulate through the bypass piping 20, and simultaneously, supplied as backwash water of the filter tank 8 to the filter tank 8 side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is designed to obtain a clean water quality by sucking in bath water from a bath with a circulation pump and filtering out the contaminants contained in the bath water with a filtration tank. The present invention relates to a bathtub system that can be used again by discharging water into the bathtub.

[0002]

2. Description of the Related Art As such a bathtub system, for example, as shown in Japanese Utility Model Laid-Open No. 59-48628, the bathtub water is absorbed by a pump and discharged again into the bathtub, while a part of the water is absorbed. There is one in which the water is spouted into a bathtub while being filtered by a filtering device and merged with the spouted water.

Further, as disclosed in Japanese Patent Laid-Open No. 2-115006, there is one in which the whole bath water is absorbed from a water inlet while being filtered in a filtration tank and discharged again into the bath.

[0004]

In the case of the bathtub system of the former method, the bath water is circulated by the pump during the filtration of the bath water and the water is discharged into the bath again, so that the bath can be taken during the filtration. Although it has the advantage that it has some advantages, it takes a long time to remove the dirt even if the water in the bathtub is dirty, because the filtration is performed by circulating a part of the bathwater in the filtration tank device, which makes it easier for the bather. There is a problem of giving discomfort.

In the case of the latter type bathtub system, since the entire bath water is filtered and discharged into the bathtub, there is the advantage that the filtration time can be shortened, but when backwashing the filtration bath, The water cannot be spouted into the bathtub and cannot be circulated. Therefore, when this is applied to a bathtub with a jet device, for example, the jet function is interrupted during backwashing, and the jet bath cannot be enjoyed. There is.

Therefore, according to the present invention, the jet bath can be enjoyed when backwashing the filtration tank even in the case of the bathtub with the jet device, and the time required for the filtration of the bath water is greatly increased. The purpose is to make it possible to shorten it to quickly remove the dirt so that the user can enjoy a comfortable bath such as a jet bath.

[0007]

In order to achieve such an object, in the bathtub system of the present invention, a circulation pump and a filtration tank are provided in the circulation pipe between the water inlet and the water outlet of the bathtub. Connected in series in order, while connecting the bypass pipe in parallel to the filtration tank, and provided in the bypass pipe a control valve driven to the open side in the backwash mode,
In the filtration mode, the bath water from the circulation pump is circulated to the spout side through the filtration tank, and in the backwash mode, the bath water from the circulation pump is circulated to the spout side through the bypass pipe. At the same time, the circulation tank is characterized in that it is supplied as water for backwashing the circulation tank.

[0008]

According to the bathtub system described above, in the filtration mode, the bath water from the circulation pump is circulated to the spout side through the filtration tank to remove dirt from the bath water, while in the backwash mode, the circulation pump is used. The water from the bathtub is circulated to the outlet side through the bypass pipe, and at the same time, it is supplied to the filtration tank side as water for backwashing the filtration tank. Even while doing so, it is possible to circulate the water in the bathtub to make a jet bath.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a circuit diagram of a bath system with a jet device according to the present invention.

In FIG. 1, 2 is a bath, 4 is a circulation pump, 6 is a three-way valve, 8 is a filtration tank, 10 to 16 are circulation pipes,
18 is a drain pipe, 20 is a bypass pipe, and 22 is a control valve.

The bathtub 2 has a water inlet 2a and a water outlet 2b, and the water inlet 2a is connected to the inlet of the circulation pump 4 via a pipe 10. A jet nozzle is attached to the water discharge port 2b, and an air pipe 19 is connected to the jet nozzle. Then, when the circulating bath water is discharged from the pipe 16 into the bath 2 through the spout 2b, the air is drawn from the air pipe 19 at the jet nozzle with a negative pressure, whereby the bath 2b is discharged from the spout 2b to the bath 2. The water is jetted and discharged. An air control valve (not shown) is connected to the air pipe 19, and the jet flow can be controlled by this control valve.

The circulation pump 4 is driven and controlled by a control unit (not shown) so that the bath water in the bathtub 2 is sucked into the water intake port 2 of the bathtub 2.
Water is absorbed from a and is circulated so that water is again discharged from the jet nozzle of the water discharge port 2b into the bathtub 2. The filtration tank 8 has an action of filtering the water in the bath and cleaning the water quality, and is connected to the discharge port of the circulation pump 4 through a pipe 12, a three-way valve 6 and a pipe 14. There is. The three-way valve 6 connects the pipes 12 and 14 in communication in the filtration mode by the controller, and at the same time, connects the pipes 12 and 18 to each other.
The valve operation is driven so as to cut off the pipes 12 and 14 and the pipes 12 and 14 are cut off in the backwash mode at the same time.
And 18 are valve-operated so as to establish a communication connection.

In this way, the circulation pump 4 and the filtration tank 8
Is connected in series in this order between the water inlet 2a and the water outlet 2b of the bath 2 via the pipes 10 to 16.

Next, the bypass pipe 20 is connected in parallel to the filtration tank 8 by connecting both ends to the pipes 12 and 16, and the control valve 22 is controlled by the control unit in the filtration mode. Is driven to the closed side and to the open side in the backwash mode, and by being driven to the open side in the backwash mode, the bath water from the circulation pump 4 is passed through the bypass pipe 20. Outlet 2b of bathtub 2
At the same time, the water is circulated to the side of the filter tank 8 and is supplied to the side of the filter tank 8 as water for backwashing the filter tank 8.

The operation will be described.

(A) Filtration mode: By the control unit, the three-way valve 6 connects the pipes 12 and 14 in communication with each other, and the control valve 22 is closed. Then, the bath water in the bath 2 is sucked from the water suction port 2a by the circulation pump 4 at a rate of, for example, 20 liters per minute, and is supplied to the filtration tank 8 through the pipe 12, the three-way valve 6 and the pipe 14. .. The bath water supplied to the filtration tank 8 is filtered here, guided to the water discharge port 2b through the pipe 16, and then discharged into the bath tank 2 at the above-mentioned pace. In this way, the bath water is filtered in a short time.

At this time, the bath water spouted from the spout 2b is jetted by the jet nozzle in the spout 2b by the negative pressure air from the air pipe 19 and is spouted to enjoy the jet bath. You can do it.

(B) Backwash mode: By the control section, the three-way valve 6 shuts off the pipes 12 and 14, connects the pipes 14 and 18 in communication, and the control valve 22 is opened. Then, the bathtub water in the bathtub 2 is supplied from the water suction port 2a to the circulation pump 4
It is being sucked at the above pace and piping 1
2 and bypass pipe 20, then pipe 1
6, but the water intake 2a
15 liters per minute on the side and 5 minutes on the side of the filter tank 8
It branches at a pace of liters. Then, the bath water branched to the water inlet 2a side is introduced into the bath 2 as bath water, and the bath water branched to the filtration tank 8 side is introduced into the filtration tank 8 as backwash water.

Therefore, in the backwash mode, the bath water is supplied into the bath 2 even while the filtration tank 8 is backwashed, so that the bath water for the jet bath can be used.

Although a jet bath is possible in the above embodiment, it can be applied to a bathtub system equipped with a waterfall.

[0021]

As described above, according to the present invention, in the backwash mode, the bath water from the circulation pump is circulated to the spout side through the bypass pipe, and at the same time, to the filtration tank side. Since it is supplied as water for backwashing the filtration tank, the bath water can be circulated and used even while backwashing the filtration tank, while the entire bath water from the circulation pump can be filtered. As a result, the time required to remove dirt from the bathtub water has been greatly shortened, and the dirt can be quickly removed, making it possible to enjoy a comfortable jet bath.

[Brief description of drawings]

FIG. 1 is a circuit diagram of a bathtub system including a jet device according to an embodiment of the present invention.

[Explanation of symbols]

 2 Bathtub 4 Circulation pump 6 Three-way valve 8 Filtration tank 20 Bypass piping 22 Control valve

Claims (1)

[Claims] 1. A circulation pump (4) and a filtration tank (8) in this order in a circulation pipe (10-16) between a water inlet (2a) and a water outlet (2b) of a bath (2). Connect in series,
A bypass pipe (20) is connected in parallel to the filtration tank (8), and a control valve (22) that is driven to the open side in the backwash mode is provided in the bypass pipe (20). , The bath water from the circulation pump (4) is circulated to the outlet (2b) side through the filtration tank (8), and in the backwash mode, the bath water from the circulation pump (4) is used for bypass. Outlet (2) through pipe (20)
A bathtub system which is circulated to the b) side and at the same time is supplied to the filtration tank (8) side as water for backwashing the filtration tank (8).