JPH074591B2 - Bath water purifier - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath water purifying device that circulates and purifies hot water in a bathtub for repeated use.

2. Description of the Related Art Conventionally, there is a device that circulates bath water to purify and sterilize the hot water in the bathtub, and then returns the bathwater to the bathtub. In this conventional device, ozone was used for sterilization (for example, Japanese Utility Model Laid-Open No. 61-111514).

Problems to be Solved by the Invention However, since ozone is harmful to the human body, there is a problem in terms of safety.

Further, the ozone generator needs an electrode for performing corona discharge, and since a high voltage is applied to this electrode, the electrode is particularly deteriorated, and there is a problem in terms of life.

Therefore, the main object of the present invention is to realize a sterilization treatment device excellent in safety and life, and at the same time, to improve the maintainability of the sterilization treatment device.

Means for Solving the Problems In order to solve the above problems, the present invention provides sterilization in a bath water purifying unit that includes a bath water intake port and a bath water return port that are directly connected to a bathtub or through a connection pipe. A sterilization tank having a lamp for cleaning, and a filtration tank for purifying bath water are provided by connecting with a connection pipe between the bath water intake port and the bath water return port, and the sterilization tank has openings at both ends, An outer tube provided with an inlet tube for taking in bath water and an outlet tube for outflowing bath water, a protective tube inserted into this outer tube and having both ends open, and a sterilizing lamp inserted into this protective tube, A stopper attached to one open end of the outer tube to prevent the protective tube from projecting from the outer tube, and a stopper having an opening for inserting the sterilizing lamp, and the other opening of the outer tube. The protection tube is attached to the end and the protection tube is the outer tube. And a lower cap having a lamp receiver for tightly fixing the bottom portion of the inserted sterilizing lamp and a through-hole while preventing the protrusion from the inner surface of both outer ends of the outer tube, Provide a top flange and a bottom flange having an inner peripheral surface with the diameter of the smallest inner diameter part being slightly larger than the outer diameter of the protection pipe and gradually expanding toward the open end of the outer pipe, An upper O-ring and a lower O-ring are provided in a space surrounded by an inner peripheral surface, the protective pipe, the fastener, and an inner peripheral surface of the lower flange, the protective pipe, and the lower cap, respectively.

Action In the present invention, since the sterilizing lamp is used as the sterilizing apparatus as described above, the sterilizing lamp is safe and excellent in terms of life. Further, the protective tube for inserting the sterilizing lamp is provided with the upper O-ring and the stopper at the upper part, Since it is fixed with the lower O-ring and the lower cap respectively, it is possible to prevent the protective tube from vibrating or deforming and being damaged by water pressure, and preventing the protective tube from protruding from the outer tube due to water pressure. Since the upper and lower O-rings are in contact with the inner peripheral surface that gradually expands toward the open end of the protective tube, the protective tube can be easily taken out during maintenance.

In addition, since the lower cap is provided with a lamp receiver and a through hole for closely fixing the bottom of the sterilizing lamp, the sterilizing lamp can be easily fixed, and the through hole allows
Water and the like do not collect inside the protection tube, which improves the reliability of the sterilization lamp.

Embodiment An embodiment of the present invention will be described below with reference to the drawings. First
The figure is a block diagram of the bath water purifying apparatus according to the embodiment.

In the figure, 1 is a bathtub, 2 is a bath water purifying unit for purifying and sterilizing bath water in the bathtub 1, and further heating and heating for reuse, 3 is a bath in the bath water purifying unit 2 for absorbing atmospheric heat. A heat pump unit for keeping water heated. The suction port 4 and the jet port 5 provided in the bathtub 1 are
The bath water purification unit 2 is connected to a bath water intake port 6 and a bath water return port 7 via a return pipe 8 and a forward pipe 9, respectively. Further, a compressor 10, an expansion valve 11, and a heat source side heat exchanger 12 are provided in the heat pump unit 3, and the bath water purification unit 2 is connected to a refrigerant inlet port 14 and a refrigerant outlet port 15 through a refrigerant pipe. It is connected. Reference numeral 13 is a blower for improving the heat exchange efficiency of the heat source side heat exchanger 12 with the atmosphere.

Further, in the bath water purification unit 2, a filter tank 17 having a filter 16, a circulation pump 18, a sterilization device 19, a bath water heating heat exchanger 20 and a filtration tank 22 having a filter stone 21 are provided.

Reference numeral 23 is a controller for changing the bathing time and bath water temperature, and 24 is a control device for controlling the circulation pump 18 and the like based on a signal from the controller 23 or based on a preset signal.

In the above configuration, the bath water inhaled from the inhalation port 4 is
It is guided to the bath water purification unit 2 through the return pipe 8. Then, the bath water guided to the bath water purification unit 2 is first guided to the filter tank 17 from the side of the filter tank 17 and then filtered.
Hair and the like are removed when passing through 16, and are guided to the circulation pump 18 from the lower part of the filter tank 17 through a connection pipe.

The bath water discharged from the circulation pump 18 is sterilized by the sterilization tank 18
It is sterilized by and introduced into the filtration tank 22. The bath water introduced into the filtration tank 22 is first contacted with the bath water heating heat exchanger 20 to be heated, and when passing through the filter stone 21, dirt such as fat and organic substances is removed, and the bath water return port 7. Return to the bathtub 1 through the jet port 5. In this way the bath water is always kept clean.

Next, the structure of the sterilization tank 19 which is the sterilization processing notification device will be described with reference to FIGS. 2 to 6.

2 is a front view of the sterilization tank 19, FIG. 3 is a sectional view of the same, and FIG.
The figure is a plan view of the same.

Reference numeral 25 is an outer pipe having a cylindrical shape, and an inlet pipe 26 for taking in bath water and an outlet pipe 27 for letting out the bath water are provided on the side faces thereof by shifting them by a predetermined angle by welding or the like. The stopper 28 having the opening 28a in the center and the lower cap 29 are attached to the upper end and the lower end of the outer tube 25 with screws 30 and 31, respectively. Then, inside the outer pipe 25, a transparent protective pipe 32 made of glass or resin having an open upper end is provided, and a bath water passage is formed between the outer pipe 25 and the protective pipe 32. . In addition, a sterilizing lamp 33 that radiates ultraviolet rays is inserted in the protective tube 32.

Next, the configurations of the upper end portion and the lower end portion of the sterilization tank 19 will be described with reference to FIGS. 5 and 6.

First, as shown in FIG. 5, at the upper end, a ring-shaped upper flange 34 is welded and fixed to the upper end edge of the outer tube 25. The bottom surface of the upper flange 34 has a width substantially equal to the distance between the inner circumference of the outer tube 25 and the outer circumference of the protection tube 32. The inner peripheral surface of the upper flange 34 is inclined so as to gradually expand toward the outer tube 25 side as it goes upward. The stopper 28 is fixed to the upper flange 34 by a screw 30 on its outer peripheral portion. Further, the stopper 28 has an opening 28a at the center and has a convex portion 2a.
8b is provided. Reference numeral 28c is a spacer provided corresponding to the convex portion 28b, and serves as a cushioning material with the end surface of the protective tube 32. The upper O-ring 35 has an upper flange 34, a protective tube 32, and a stopper.
It is provided in a ring-shaped space surrounded by 28.

Next, as shown in FIG. 6, at the lower end, a ring-shaped lower flange 36 is welded and fixed to the lower end edge of the outer pipe 25. Similarly to the upper flange 34, the inner peripheral surface of the lower flange 36 is also inclined so as to gradually expand toward the outer pipe 25 as it goes downward. The lower cap 29 is fixed to the lower flange 36 by screws 31. Also, the lower end of the sterilizing lamp 33 is received, and the lamp receiver 37 made of resin or rubber is
It is fixed to the lower cap 29 by 38. Also, 29a
Is a through hole provided in the convex portion 29 b of the lower cap 29. 29c is a spacer provided corresponding to the convex portion 29b.
Performs the same role as 28c. Lower O-ring 39 is lower flange 3
It is provided in a ring-shaped space formed by 6 and the lower cap 29.

As described above, the protection tube 32 has its upper end fixed by the upper O-ring 35 and its lower end fixed by the lower O-ring 39.
The protective tube 32 does not easily break because the vibration of 30 does not occur.

Further, by tilting the inner peripheral surface of the upper flange 34, the stopper 28 is removed and the upper O-ring is used when the protective tube 32 is pulled out.
The protective tube 32 can be easily removed without damaging the protective tube 32 because the protective tube 35 is easily displaced. Further, by making the lower flange 36 have the same structure, the lower cap 29 can be easily removed.

The opening 28a provided in the stopper 28 is provided with a sterilizing lamp 33
It is for inserting and removing with the protection tube 32 still attached. Further, the convex portion 28b provided on the stopper 28 prevents the protective tube 32 from protruding upward.

Further, the through-hole 29a provided in the convex portion 29b of the lower cap 29 prevents water and the like from accumulating inside the protective tube 32.
Further, the convex portion 29b plays the same role as the convex portion 28b.

EFFECTS OF THE INVENTION As is apparent from the above description, the present invention is excellent in terms of safety and life because it uses a sterilizing lamp as a sterilizing apparatus, and a protective tube for inserting the sterilizing lamp is provided on the upper side. Since the O-ring and the stopper are used to fix the lower O-ring and the lower cap respectively at the bottom, it is possible to prevent the protective tube from vibrating or deforming and being damaged by water pressure, and the protective tube is projected from the outer tube by water pressure. Since the upper and lower O-rings are in contact with the inner peripheral surface that gradually expands toward the open end of the outer tube, maintenance, particularly removal of the protective tube, can be easily performed.

In addition, the lower cap is equipped with a lamp receiver and a through-hole for tightly fixing the bottom of the sterilizing lamp, so that the sterilizing lamp can be easily fixed, and the through-hole collects water etc. inside the protective tube. This will improve the reliability of the sterilization lamp.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a bath water purifying apparatus according to an embodiment of the present invention, FIG. 2 is a front view of a sterilization processing apparatus used in the apparatus, FIG. 3 is a longitudinal sectional view of the sterilization processing apparatus, and FIG. Is a plan view of the sterilization apparatus, and FIGS. 5 and 6 are enlarged cross-sectional views of main parts of the sterilization apparatus. 1 ... Bathtub, 2 ... Bath water purification unit, 3 ... Heat pump unit, 6 ... Bath water intake, 7 ... Bath water return port, 14 ... Refrigerant inlet, 15 ... Refrigerant outlet, 16 ......
Filter, 17 ... Filter tank, 18 ... Circulation pump, 19 ...
… Sterilizer (sterilizer), 22 …… Filtration tank, 25 …… Outer pipe, 26 …… Inlet pipe, 27 …… Outlet pipe, 28 …… Stopper, 29
...... Lower cap, 29a ...... Through hole, 32 ...... Protection tube, 33
...... Sterilizing lamp, 34 …… Upper flange, 35 …… Upper O-ring, 36 …… Lower flange, 37 …… Lamp receiver, 39 …… Lower O
ring.

Claims (1)

[Claims] 1. A sterilizing tank having a sterilizing lamp and a bath water purifying unit in a bath water purifying unit having a bath water intake port and a bath water returning port which are connected to a bathtub directly or via a connecting pipe. A filter tank is provided between the bath water intake port and the bath water return port by connecting a continuous pipe with a connecting pipe, and the sterilization tank has both ends opened and an inlet pipe and bath water for taking bath water. An outer pipe having an outlet pipe for flowing out,
A protective tube inserted into the outer tube and having both ends opened, a sterilizing lamp inserted into the protective tube, and the protective tube attached to one open end of the outer tube and protruding from the outer tube. And a stopper provided with an opening for inserting the sterilization lamp, and the protective tube attached to the other open end of the outer tube to prevent the protective tube from protruding from the outer tube and to be inserted. The bottom cap of the sterilizing lamp is fixed to the lamp cap and a lower cap provided with a through-hole, and the inner diameter of the outer end of both outer ends of the outer tube is the outer diameter of the protective tube. An upper flange and a lower flange each having a diameter slightly larger than the diameter and having an inner peripheral surface that gradually expands toward the opening end of the outer tube are provided, and the inner peripheral surface of the upper flange, the protective tube, and the fastener are provided. , And the lower flange In a space surrounded with the inner peripheral surface and the protective tube by the lower cap, bath water purification device respectively installed on the O-ring and the lower O-ring.