JPH11178733A - Bathtub water circulating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate problems such as the smell of chlorite during taking a bath, a dry skin after taking a bath by feeding a chlorinating liquid in a chemical liquid tank to bath water in a circulation circuit by a feed pump and providing a removing means for removing chlorine component in the bath water caused by the chlorinating liquid in the circulation circuit. SOLUTION: At the time of sterilizing bath water, a circulation pump 2 is driven to guide water within the bathtub 1 to a purifying filter 11 through a flow-in piping 3a to remove dust, etc., in the bath water. At this time, a residual chlorine sensor 12 measures a chlorine component density in the bathtub water and when the density becomes lower than a prescribed value, a control part 14 switches a chemical liquid switching valve 6 to the side of guiding through chemical liquid feeding pipings 20a and 20b to drive a chemical liquid feeding pump 7 to feed hypochlorous acid within a tank 4 to the bathtub water. After then, when the chlorine component density is equal to or higher than a prescribed value when a removing mode is selected, the valve 6 is switched to power L-ascorbic acid within a tank 5 into the bath water to neutralize and remove the chlorine components of the bath water.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathtub water circulating apparatus capable of applying a jet to bathtub water in a bath and sterilizing the bathtub water with a chlorine-based disinfectant, and more particularly to a bathtub water circulation device for removing chlorine components in bathtub water. The present invention relates to a bath tub water circulating device.

[0002]

2. Description of the Related Art In recent years, devices for disinfecting water or hot water with a chlorine-based disinfecting solution such as hypochlorous acid solution are widely used in bath water circulation devices, jacuzzi and public water purification plants. As a structure of the bath water circulation device, there is a structure in which a hypochlorous acid solution is supplied from a hypochlorous acid solution tank to a circulation path of a bath water by a pump so as to have a predetermined concentration to sterilize water or hot water. . Such a bathtub water circulating apparatus having a sterilizing means using hypochlorous acid is mainly described in Japanese Unexamined Patent Publication No.
No. 2,846,613.

[0003]

However, such a conventional bath water circulation device has the following problems. In other words, the bath tub water circulation device using the means for sterilizing the bath tub water with the hypochlorous acid solution is always controlled so that the chemical concentration becomes a predetermined value, and the chlorine component always remains in the bath tub water. . Due to this chlorine component, there was a problem of rough skin such as a skin smell during bathing or bulky and itchy skin after bathing.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a bath tub water circulating apparatus having a removing means capable of removing chlorine components in bath tub water which cause a bad smell and rough skin. To provide.

[0005]

According to a first aspect of the present invention, there is provided a bathtub water circulating apparatus comprising a bathtub, a circulating pump, and a circulating pipe, which form a first circulating circuit of bathtub water. A bath water circulation device in which a chlorine-based sterilizing solution in a tank can be injected into a bathtub water in a circulation circuit by a first injection pump, wherein a chlorine component in the bathtub water by the chlorine-based sterilizing solution can be removed. The removing means is provided in the first circulation circuit.

Here, as the removing means, there are, for example, means for injecting a neutralizing solution capable of neutralizing a chlorine component into bath water, and means for allowing bath water to pass through a desalted material. The chlorine-based sterilizing solution is, for example, a commonly used hypochlorous acid solution. The removing means may be operated arbitrarily by an operator to remove the chlorine component, or may be automatically operated to remove the chlorine component. A purifying filter, a check valve, or the like may be appropriately provided in the circulation circuit.

The bath tub water circulating apparatus according to claim 2 is the bath tub water circulating apparatus according to claim 1, wherein the removing means comprises a neutralizing solution capable of neutralizing the chlorine component and a neutralizing solution tank. And a second injection pump for injecting the neutralizing solution into the bath water.

Here, the neutralizing solution is, for example, an L-ascorbic acid solution. The second infusion pump may be separate from the first pump, or may be shared and identical.
For example, a chemical solution tank and a neutralizing solution tank may be provided in parallel and upstream with respect to the injection pump, and the chlorine-based sterilizing solution and the neutralizing solution may be switched by a valve provided upstream of the injection pump. . The neutralizing solution may be injected into a bathtub or into a circulation circuit.

The bath tub water circulating apparatus according to claim 3 is the bath tub water circulating apparatus according to claim 1, wherein the removing means includes a second circulating circuit including a bath tub, a circulating pump, and a circulating pipe. And a desalting material provided in the second circulation circuit.

Here, the second circulation circuit may be completely separate from the first circulation circuit. However, these first and second circulation circuits share a circulation pump, a circulation pipe and the like. Alternatively, a structure in which a bypass circuit is provided in one of the circulation circuits may be used. That is, a structure in which a desalination material is provided in parallel with the first circulation circuit may be used. This case is preferable because most parts can be shared. The desalted material is, for example, activated carbon or calcium carbonate. It is preferable that the desalinated material is provided, for example, in the form of a filter so that bathtub water can pass through the second circulation circuit. It is also preferable that the cartridge can be replaced as appropriate in a cartridge shape.

[0011]

According to the configuration of the bath water circulation device of the first aspect, the removing means can remove the chlorine component in the bath water by the chlorine-based sterilizing solution.

According to the configuration of the bath water circulation device according to the second aspect, the neutralizing solution is injected into the bath water by the second injection pump, thereby neutralizing and removing the chlorine component in the bath water by the chlorine-based sterilizing solution. be able to.

[0013] According to the configuration of the bathtub water circulation device according to the third aspect, the bathtub water passes through the second circulation circuit and the desalting material provided therein, whereby the chlorine component in the bathtub water due to the chlorine-based sterilizing solution. Can be removed.

[0014]

(Embodiment 1) First, Embodiment 1 of the present invention will be described below with reference to the drawings. Here, FIG. 1 is a block diagram showing a bathtub water circulation device according to Embodiment 1 of the present invention. In the bathtub water circulation device of FIG.
A circulation circuit is constituted by a bathtub 1 provided with a bathtub, a circulation pump 2 capable of circulating bathtub water, and a circulation pipe 3 including a bathtub water inflow pipe 3a and a bathtub water outflow pipe 3b, and a bathtub water inflow pipe 3a Is provided with a purification filter 11 for purifying bathtub water. The arrow in FIG.
Shows the flow of bath water.

The circulation circuit is provided with a removing means and a sterilizing means. The hypochlorous acid solution tank 4, the L-ascorbic acid solution tank 5, the hypochlorous acid solution contained in these tanks and the L-ascorbin solution It comprises a chemical liquid switching valve 6 for an acid solution, a chemical liquid supply pump 7 for these chemical liquids, a check valve 13 for the chemical liquid, and chemical liquid supply pipes 20a, 20b, 20c. The chemical supply pipe 20b is connected to the hypochlorous acid solution tank 4
And the chemical liquid switching valve 6 and connect the chemical liquid supply pipe 20 c
Is the L ascorbic acid solution tank 5 and the chemical solution switching valve 6
And the chemical supply pipe 20a is connected to the chemical switching valve 6
And the circulation circuit. The chemical supply pump 7 is provided in the chemical supply pipe 20a. Here, since the injection of two chemicals is performed by one chemical supply pump, the cost required for the configuration of the apparatus can be reduced.

Next, the control portion of the removing means will be described. A residual chlorine sensor 12, which is a diaphragm electrode sensor, is provided upstream of the connection of the chemical supply pipe 20a to the circulation circuit. The residual chlorine sensor 12 is connected to the control unit 14 so that information on the concentration of the chlorine component is transmitted as the signal S1. The control unit 14 has a function of controlling operations of the chemical liquid supply pump 7 and the chemical liquid switching valve 6. The control unit 14 has a built-in timer. Further, a controller 10 is provided in the bathroom so that the operator can operate the control unit 14 and check the operation status. The controller 10 is connected to the control unit 14,
Signals can be transmitted and received. In addition, there are provided an LED indicating that sterilization is being performed (sterilization mode), an LED indicating that a chlorine component is being removed (removal mode), and a switch capable of switching between two operations.

The operation of the bath water circulation device will be described.
When the operation state of this device is in a sterilized state, the bathtub water is guided from the bathtub water inflow pipe 3a to the purification filter 11, and the mixed dust and the like are removed. Then, the residual chlorine sensor 12 measures the concentration of the chlorine component in the bathtub water, and the concentration information is sent to the control unit 14 as a signal S1. Control unit 14
Performs sequence control based on the signal S1 so that the chlorine component concentration always becomes a predetermined value (0.5 ppm in the first embodiment). When the chlorine component concentration falls below a predetermined value, the control unit 1
4 sends a signal S3 to the chemical liquid switching valve 6 so that the chemical liquid supply pipes 20a and 20b are conducted, and further sends a drive signal S2 to the chemical liquid supply pump 7. As a result, the hypochlorous acid solution is injected into the bath water via the chemical supply pipes 20a and 20b. During sterilization, a signal S4 is transmitted from the control unit 14 to the controller 10, and the LED indicating the sterilization mode of the controller 10 is turned on. The hypochlorous acid solution is hydrolyzed and exists as a chlorine component in bath water, and sterilizes the bath water.

When the operator selects the removal mode with the controller 10 or automatically selects the removal mode with a timer, the residual chlorine sensor 12 detects the concentration of the chlorine component in the bath water, and the concentration of the chlorine component is detected. When the value is equal to or more than the predetermined value (0.1 ppm in the first embodiment), the control unit 14 transmits a signal S3 to the chemical liquid switching valve 6 to connect the chemical liquid supply pipes 20a and 20c, and further drives the chemical liquid supply pump 7. . As a result, L-ascorbic acid is injected into the bath water to neutralize and remove chlorine components in the bath water. In the removal mode, the control unit 14 performs sequence control based on the signal S1 so that the chlorine component concentration always becomes a predetermined value (0.1 ppm in the first embodiment). In addition, chlorine component concentration is 0.1p
At pm, the chemical supply pump 7 is stopped, and the LED of the controller 10 indicating that bathing is possible is turned on. Here, it is preferable that the chemical liquid supply pipe and the like be as short as possible because the amount of the chemical liquid remaining in the pipe is small.

(Embodiment 2) Next, Embodiment 2 of the present invention will be described with reference to the drawings. The description of the same parts as in the first embodiment is omitted. Here, FIG. 2 is a block diagram showing a bathtub water circulation device according to Embodiment 2 of the present invention. In this embodiment, a desalting material cartridge 8 using activated carbon as a removing means is connected in parallel to a circulation path. That is, the circuit has a structure in which a bypass circuit is provided in the circulation circuit, and has a circuit configuration in which the first circulation circuit and the second circulation circuit are partially shared. Activated carbon is used as the desalting material, and the chlorine component is removed when the bath water passes through the activated carbon. The cartridge is designed to be replaced when the performance of the desalinated material is deteriorated. A flow path switching valve 9 is provided at a switching part of the flow path between the circulation circuit and the bypass circuit.

The circulation circuit includes a hypochlorous acid solution tank 4, a chemical supply pump 7, a check valve 13, and a chemical supply pipe 20.
a is connected. By this sterilizing means, the hypochlorous acid solution can be supplied into the bath water in the circulation path.

Next, the control part of the removing means will be described. As in the first embodiment, the residual chlorine sensor 12 is
4 and the information of the concentration of the chlorine component is transmitted to the signal S1.
It is sent as. The control unit 14 has a function of controlling operations of the chemical liquid supply pump 7 and the flow path switching valve 9.

The operation of the bath water circulation device will be described.
In the sterilized state, the bathtub water is guided from the bathtub water inflow pipe 3a to the purification filter 11 as in the first embodiment, and the contaminants and the like are removed. And the residual chlorine sensor 12
To measure the chlorine component concentration in the bath water, and the concentration information is sent to the control unit 14 as a signal S1. The control unit 14 receives the signal S
Based on 1, sequence control is performed so that the chlorine component concentration always becomes a predetermined value (0.5 ppm in the second embodiment). When the chlorine component concentration falls below the predetermined value, the control unit 14 sends a drive signal S3 to the chemical solution supply pump 7. Thus, the hypochlorous acid solution is injected into the bath water through the chemical supply pipe 20a. During sterilization, an LED indicating the sterilization mode of the controller 10 is turned on.

When the removal mode is selected in the same manner as in the first embodiment, the residual chlorine sensor 12 detects the concentration of the chlorine component, and when the concentration is higher than a predetermined value (0.1 ppm in the second embodiment),
The control unit 14 transmits a signal S2 to the flow path switching valve 9 to switch the flow path to the desalting material cartridge 8 side. As a result, the bath water passes through the desalting material cartridge 8, and the chlorine component is removed. The control unit 14
Is the predetermined concentration of chlorine component (0.1 ppm in Example 2)
The sequence control is performed so that When the chlorine component concentration becomes 0.1 ppm, the LED of the controller 10 indicating that bathing is possible is turned on.

[0024]

According to the configuration of the bathtub water circulation device according to the first, second, and third aspects, chlorine-based germicidal components in the bathtub water, which cause chlorine odor and rough skin, can be removed. A comfortable bath that is gentle on the skin can be performed.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a bathtub water circulation device according to a first embodiment of the present invention.

FIG. 2 is a block diagram illustrating a bathtub water circulation device according to a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bathtub 2 Circulation pump 3 Circulation pipe 3a Bathtub water inflow pipe 3b Bathtub water outflow pipe 4 Hypochlorous acid solution tank 5 L Ascorbic acid solution tank 6 Chemical liquid switching valve 7 Chemical liquid supply pump 8 Demineralized material cartridge 9 Flow path switching valve 10 Controller 11 Purification filter 12 Residual chlorine sensor 13 Check valve 14 Control unit 15 Water heater 20a Chemical supply pipe 20b Chemical supply pipe 20c Chemical supply pipe

Continued on the front page (51) Int.Cl. ⁶ Identification code FI C02F 1/50 540 C02F 1/50 540B 550 550C 550H 560 560B 560Z 1/70 1/70 Z 1/76 1/76 A

Claims (3)

[Claims] A first circulation circuit for bath water is constituted by a bath, a circulation pump, and a circulation pipe, and a chlorine-based sterilizing solution in a chemical tank is supplied to a bath water in the circulation circuit by a first injection pump. A bathtub water circulator which can be poured into the bathtub water circulation device, wherein a removing means capable of removing a chlorine component in the bathtub water by the chlorine-based sterilizing solution is provided in the first circulation circuit. . 2. The removing means comprises a neutralizing solution capable of neutralizing the chlorine component, a neutralizing solution tank, and a second injection pump for injecting the neutralizing solution into bath water. The bathtub water circulation device according to claim 1, wherein: 3. The method according to claim 2, wherein the removing means comprises a second circulating circuit including a bathtub, a circulating pump, and a circulating pipe, and a desalting material provided in the second circulating circuit. The bath tub water circulation device according to claim 1.