JPH0716407A - Bathtub controlling device - Google Patents

Abstract

PURPOSE:To completely sterilize bathtub water without a human body being badly influenced and to wash the surfaces of a temp. sensor and a metal ion chip when a filter is backwashed. CONSTITUTION:To the 1st port P1 of a 5-way valve 25, a pump 24 is connected. To the 2nd port P2, inlet piping 31 of a filter 26 is connected. To the 3rd port P3, a heat exchanger 29 is connected. To the 4th port P4, outlet piping 32 of the filter 26 is connected. To the 5th port P5, a drain pipe 33 is connected. In mid-way of the inlet piping 31, a temp. sensor 38 for controlling the heat exchanger 29 is fitted. In mid-way of outlet piping 32, a silver ion chip 40 for sterilizing bathtub water 27 is incorporated. On filtration, the bathtub water 27 flows in the pump 24, the 5-way valve 25, the inlet piping 31, the filter 26, the outlet piping 32, the 5-way valve 25 and the heat exchanger 29 in this order. On backwash, the bathtub water 27 flows in the pump 24, the 5-way valve 25, the outlet piping 32, the filter 26, the inlet piping 31, the 5-way valve 25 and the drain pipe 33 in this order. And at this time, the surfaces of a temp. sensing part 38a of the temp. sensor 38 and the silver ion chip 40 are washed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathtub management device,
In particular, the present invention relates to a bathtub management device that can always maintain good sensitivities of a temperature sensor and a metal ion chip.

[0002]

2. Description of the Related Art A conventional bathtub management apparatus of FIG. 6 is shown, in which reference numeral 1 is a bathtub, and a water level gauge 3 is connected to the bathtub 1 via a communication pipe 2 to The water level can be detected, and the bath water sent from the bottom of the bath 1 via the delivery pipe 4 is removed by the hair remover 5 and the pump 6.
Further, the dirt is removed by being sent to the filtering device 8 via the temperature sensor 7. The filtered bath water is heated or cooled to a set temperature by the heat exchanger 9 and then returned to the bath 1 via the supply pipe 10.

A chlorine sterilizer 1 comprising a chlorine tank 11a and an injection pump 11b is provided at an intermediate position of the supply pipe 10.
1 is connected, and the bath water returned to the bath 1 is sterilized by the chlorine liquid injected from the chlorine sterilizer 11.

[0004]

In the above-mentioned conventional bathtub management device, it is necessary to backwash the filtering device 8 periodically or as needed, but the filtering device 8 and the temperature sensor 7 are completely different places. Therefore, the surface of the temperature sensor 7 cannot be washed when the filter device 8 is backwashed, so that the sensitivity of the temperature sensor 7 is gradually deteriorated and the temperature of the bath water can be stably controlled. There is a problem that you cannot do it.

Further, since the sterilization method using chlorine is adopted, there is a problem that the bather's eyes may be hurt, chlorine odor may make him uncomfortable, and chlorine gas may seriously damage the building. In addition, chlorine cannot kill viruses and bacteria and cannot decompose organic substances emitted from the bather's body, and the accumulated organic substances react with chlorine to produce carcinogenic substances such as trihatomethane. There is a fear.

The present invention has been made in consideration of the above points, the bath water does not become cloudy or has an unpleasant odor, the bactericidal effect of Escherichia coli and general bacteria is great, and the temperature of the bath water is kept high. An object is to provide a bathtub management device that can be stabilized.

[0007]

As a means for achieving the above object, the present invention provides a bathtub management device for returning bathtub water sent from a bathtub to a bathtub through a filtration device, in which temperature is provided in a pipe of the filtration device. A sensor and a metal ion chip for sterilizing bath water are arranged, respectively, and a switching means for reversing the direction of the water flowing through the pipe to perform backwashing of the filtering device and temperature sensor and surface washing of the metal ion chip is provided. It is characterized by that.

[0008]

The bath management apparatus according to the present invention employs a metal ion sterilization method using a metal ion tip such as a silver ion tip or a copper ion tip. Therefore, a stable bactericidal effect can be maintained, and hot water does not become cloudy or an unpleasant odor does not occur. In addition, metal ions such as silver ions and copper ions are extremely toxic and harmless to the human body, as they are also used for disinfecting drinking water, and do not adversely affect equipment.

Further, the metal ion chip and the temperature sensor are provided in the piping of the filtering device, and when the switching device is operated to backwash the filtering device, the surface of the temperature sensor and the metal ion chip is also washed. It becomes possible to maintain these sensitivities at all times.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an example of a bathtub management apparatus according to the present invention. In the figure, reference numeral 20 is a unitized management apparatus, and a bathtub 21 manages bathtub water temperature and the like by this management apparatus 20. It is supposed to be done.

One end of a delivery pipe 22 is connected to the bottom of the bath 21 and the other end of the delivery pipe 22 is connected to the hair remover 2.
3, filtration device 26 via pump 24 and 5-way valve 25
It is connected to the. Then, the bath water 27 delivered from the bath 21 is sent to the filtering device 26 and filtered after foreign matter such as hair is removed by the hair remover 23. The filtered bath water 27 is sent to the heat exchanger 29 via the silver ion sterilizer 28 and the five-way valve 25,
After the temperature is adjusted here, the temperature is returned to the bath 21 via the supply pipe 30.

The five-way valve 25 has a first port P1, a second port P2, and a third port P, as shown in FIGS.
It is equipped with 3, 4th port P4 and 5th port P5,
A pump 24 is connected to the first port P1, and a third port
A heat exchanger 29 is connected to the port P3. Also,
The inlet pipe 31 of the filtering device 26 is connected to the second port P2, the outlet pipe 32 of the filtering device 26 is connected to the fourth port P4, and the fifth port P5 is connected.
A drain pipe 33 is connected to the. The five-way valve 25 is connected to the first port P1 during the filtration operation shown in FIG.
And the second port P2, the third port P3 and the fourth port P4 are connected, and during the backwash operation shown in FIG. 3, the first port P1, the fourth port P4, and the second port P2 are connected. The fifth port P5 is connected.

The filtering device 26 is constructed by disposing a strainer 35 inside the lower end of the tank 34, disposing a stone-sand layer 36 on the strainer 35, and disposing a sand layer 37 on the upper part thereof. The outlet pipe 32 is a strainer 3
5 and the inlet pipe 31 is connected to the sand layer 3
It is open above 7. The bath water 27 from the bath 21 supplied from the inlet pipe 31 into the tank 34 during the filtration operation is sent to the heat exchanger 29 via the outlet pipe 32 after the dirt is settled and filtered on the sand layer 37. It is like this.

At a midway position of the inlet pipe 31, the temperature sensor 3 is inserted in the inlet pipe 31 while the temperature sensor 38a is inserted.
8 is attached, and a silver ion sterilizer 28 is attached at an intermediate position of the outlet pipe 32.

This silver ion sterilizer 28 is a device main body 3
A pair of silver ion chips 40 and a baffle plate 41 are built in between 9 and when a weak direct current is applied to the pair of silver ion chips 40, silver ions are released from each chip 40 into water. The bath water 27 is sterilized by the silver ions. This will be described in detail later.

On the other hand, a water level adjusting device 42 is attached to the bathtub 21 as shown in FIG. 1, and this water level adjusting device 42 is connected to an inlet side of a water level gauge 44 via an introduction pipe 43 to provide a water level adjusting device. The outlet pipe 45 connected to the outlet side of the total 44 is connected to the hair remover 23 via the opening / closing valve 46.

The water level adjusting device 42, as shown in FIG.
The case main body 47 is provided with an opening on the side surface on the side of the bath 21 and a connecting pipe 48 connected to the bottom of the case main body 47. The introduction pipe 43 is connected to the connection pipe 48. This connecting pipe 48 also has a connecting pipe 48
Water level control pipe 50 with O-ring 49 sealing the space between
Is mounted slidably up and down, and the water level of the bath water 27 is adjusted by adjusting the water level adjusting pipe 50. Further, a plate with holes 51 having a small hole below the water surface of the bath water 27 is attached to the opening of the case body 47. Then, the bath water 27 flowing out from the upper end of the water level adjusting pipe 50 through the plate 51 with holes is sent to the water level gauge 44 via the introducing pipe 43.

As shown in FIG. 5, the water level gauge 44 includes a cylindrical container-shaped main body 52 having an introduction port 52a to which the introduction pipe 43 is connected and an outlet port 52b to which the outlet pipe 45 is connected, at its lower end. I have it. The inside of the main body 52 is divided into two chambers with the lower end communicating with each other by a partition plate 53, an exhaust port 54 is provided at the upper end of one chamber, and the upper limit electrode 54a is provided in the other chamber. And lower limit electrode 5
4b is attached.
When the water level rises to the upper limit electrode 54a, the electrode rod sensor 54 outputs a signal to open the on-off valve 46 (see FIG. 1), and when the water level falls below the lower limit electrode 54b, the electrode rod sensor A signal for closing the on-off valve 46 is output from 54.

In FIG. 1, reference numeral 55 is a control panel for controlling the management device 20.

Next, the operation of this embodiment will be described.

During the filtration operation, the five-way valve 25 is in a state in which the first port P1 and the second port P2, and the third port P3 and the fourth port P4 are connected. Then, in this state, the pump 24 is started.

Then, the bath water 27 in the bath 21 is sent to the hair remover 23 through the delivery pipe 22, and foreign matter such as hair is removed by the hair remover 23. Bath water 27 after removing foreign matter
Is sent to the first port P1 of the five-way valve 24 by the pump 24, and further discharged from the second port P2 through the inlet pipe 31 onto the sand layer 37 of the filtering device 26. And
While passing through the inlet pipe 31, the temperature of the bath water 27 is measured by the temperature sensor 38, and the heat exchange amount in the heat exchanger 29 is controlled based on the measurement result.

In the bath water 27 discharged onto the sand layer 37, large dirt is first settled and removed on the sand layer 37, and further, while flowing down the sand layer 37, stone sand layer 36 and strainer 31, a small flow adheres to them. To be done. Then, the bath water 27 from which the dirt has been completely removed is sent to the silver ion sterilizer 28 at an intermediate position through the outlet pipe 32, where it is sterilized and then passes through the heat exchanger 29 and the supply pipe 30. Is returned to the bathtub 21.

That is, a small amount of direct current is constantly applied to the pair of silver ion chips 40 of the silver ion sterilizer 28, and the silver ions are discharged from each chip 40 into the water. Since this silver ion is positively charged, it is adsorbed on the surface of a pathogenic bacterium that has a negative charge, and silver ion continues to be adsorbed until it is neutralized and then gradually discharged to reduce to an uncharged metal. Kill the bacteria.

The above operation is repeated to purify the bath water 27, but if the filtration operation is continued, the dirt in the bath water 27 will be gradually accumulated in the filtering device 26. Therefore, the filtration device 26 is backwashed regularly or as needed, and the accumulated dirt is discharged.

That is, in the backwash operation, the 5-way valve 25
Is the first port P1 and the fourth port P, as shown in FIG.
4, it is switched so that the second port P2 and the fifth port P5 are connected. Therefore, the bath water 27 sent from the pump 24 is sent to the outlet pipe 32 via the first port P1 and the fourth port P4 of the five-way valve 25, and the tank 3
It flows in the inside of 4 from the lower part to the upper part. Then, all the dirt accumulated in the tank 34 is sent to the inlet pipe 31. This dirt is discharged from the drainage pipe 33 to the outside through the inlet pipe 31.

By the way, during the backwash operation, the inlet pipe 31
The bath water 27 flows through the inside and the outlet pipe 32 in the opposite direction to that during the filtering operation. Therefore, the temperature sensing unit 38a of the temperature sensor 38 and the pair of silver ion chips 40 of the silver ion sterilizer 28 are surface-cleaned by the bath water 27 flowing in the opposite direction, and the sensitivity is prevented from being lowered due to dirt. In particular, the temperature sensing unit 38a of the temperature sensor 38 is installed in the inlet pipe 3
Since the turbulent flow is generated in the bent portion of No. 1, the turbulent flow sufficiently cleans the surface. Further, the device main body 39 of the silver ion sterilizer 28 has different connection positions with the outlet pipe 32 at the upper end and the lower end, and has the baffle plate 41 inside, so that the device main body 39 is Turbulent flow is generated and sufficient surface cleaning is performed.

As described above, in this embodiment, since the silver ion sterilization method is adopted, 0.04 to 0.1 ppm
With a certain level of concentration, pathogenic bacteria can be completely sterilized, and the toxicity of silver ions is extremely weak, as it is also used for disinfecting drinking water, and it is harmless to the human body and does not affect equipment. There is no adverse effect. Unlike chlorine, silver ions are not volatile, and rather, silver ions exert their strongest bactericidal activity when the water temperature is about 37 ° C. Therefore, the bactericidal effect is long-lasting and extremely stable. In addition, due to the bactericidal effect, spoilage that causes nigori is not generated, the transparency of the hot water is good, and there is no unpleasant odor such as the smell of spoilage or the smell of chlorine. Further, since the bath water 27 has a bactericidal power, even if a person with a skin disease (athlete, inkin, acne, odeki, etc.) takes a bath, it does not infect other bathers, and the person with a skin disease himself / herself. However, there is no risk of secondary infection by various bacteria.

Further, since the temperature sensor 38 and the silver ion sterilizer 28 are also surface-washed during the backwashing operation of the filtering device 26, it is possible to prevent a decrease in sensitivity.

In this embodiment, a silver ion tip is used as the metal ion tip, but a copper ion tip may be used instead of the silver ion tip. It is known that copper ion also has a bactericidal action similarly to silver ion and is safe for the human body, and even when a copper ion chip is used instead of the silver ion chip in the above-mentioned example, the same effect as above is obtained. Can be obtained.

[0032]

As described above, the present invention employs the metal ion sterilization method, so that the bath water does not become cloudy or an unpleasant odor is produced, and a sufficient sterilization effect can be obtained. Further, since the temperature sensor and the metal ion chip are also surface-washed when the filter device is backwashed, it is possible to prevent the sensitivity from deteriorating and stabilize the temperature of the bath water and the sterilizing effect.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram showing a bathtub management apparatus according to an embodiment of the present invention.

FIG. 2 is a detailed view of essential parts of FIG. 1 showing a state during a filtration operation.

FIG. 3 is a detailed view of a main part of FIG. 1 showing a state during a backwash operation.

FIG. 4 is a sectional view showing a configuration of a water level adjusting device.

FIG. 5 is a partial cross-sectional view showing the configuration of a water level gauge.

FIG. 6 is an overall configuration diagram showing a conventional bathtub management device.

[Explanation of symbols]

 20 Management Device 21 Bathtub 23 Hair Removal Device 24 Pump 25 5-Way Valve 26 Filtration Device 27 Bathwater 28 Silver Ion Sterilizer 29 Heat Exchanger 31 Inlet Pipe 32 Outlet Pipe 33 Drain Pipe 34 Tank 38 Temperature Sensor 38a Temperature Sensing Unit 39 Device Main body 40 Silver ion chip 41 Baffle plate P1 1st port P2 2nd port P3 3rd port P4 4th port P5 5th port

Claims (3)

[Claims] 1. A bathtub management apparatus for returning bathtub water sent from a bathtub to a bathtub through a filter device, wherein a temperature sensor and a metal ion chip for bathtub water sterilization are respectively arranged in the pipes of the filter device. A bath management device comprising a switching means for reversing the direction of water flowing in a pipe and performing backwashing of a filtering device and surface washing of a temperature sensor and a metal ion chip. 2. The bath management apparatus according to claim 1, wherein the metal ion chip is a silver ion chip. 3. The bath management apparatus according to claim 1, wherein the metal ion chip is a copper ion chip.