JPH069642B2 - Bathtub hot water circulation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a bathtub, a filtering means arranged outside the bathtub, and a heating means also arranged outside the bathtub.
A circulation pump is provided, and these are connected by a return pipe and a forward pipe to form a circulation path for the bath water. When the pump is started, the bath water is forcedly circulated through the circulation path, and in between. The present invention relates to a circulating supply device for hot water in a bath, which is adapted to treat hot water in the bath.

"Prior Art" As is well known, the domestic baths used in Japan are
Generally, it can be roughly divided into a reheating type and a drop type. The reheating type bath is composed of a bathtub and a heater, and hot water is circulated between the bathtub and the heater to be heated to a predetermined temperature.

In the drop-in bath, for example, hot water heated to a predetermined temperature is poured into a bath from a water heater or a hot water storage tank. Drop-in baths have the advantage that the bath water is kept relatively hygienic because hot water heated to a predetermined temperature is poured into the bathtub as appropriate. However, if the temperature of the hot water drops, even if the hot water overflows from the hot water, new hot water must be added, which is uneconomical.

On the other hand, in the case of a reheating type bath, the bath water with a lowered temperature is heated appropriately while circulating, so there is no need to add new high temperature hot water like a drop-in type bath, which is economical. Is. Thus, in the reheating type bath, the reheating type device of the bath water, in which the bath water is forcibly circulated by the pump, and the hot water is filtered and heated in the meantime, is disclosed in, for example, Syokai 56-15938. No.

The reheating device includes a filter, a pump, and a heater. Therefore, when the pump is started and the heater is ignited, the bath water is filtered by the filter and heated by the heater.

[Problems to be Solved by the Invention] Since the above reheating device also has a filter and also has a heater, there is an advantage that bath water can be circulated and reused. However, there are various improvements or drawbacks.
For example, a filter has a cubic shape, hot water enters from one side,
And since it's just coming out from the other side,
Although dust and the like are removed, the filter is immediately blocked by these dusts, and it is necessary to clean the filter frequently. In addition, the air inside the filter may not escape, and bacteria may grow there and spoil the bath water.

Also, in the above reheating device, relatively large contaminants such as human hair and dirt in the bath water are removed by the filter. However, although the bath water contains microorganisms, oils, etc., these microorganisms cannot be removed by the filter. And for microorganisms, the bath water is kept at an appropriate temperature,
It breeds well or reacts chemically, and it gives off a bad odor. Therefore, the fact is that various bath additives are mixed in to neutralize the bad odor. However, even if a bath agent is used, it does not disappear by simply neutralizing the odor in the bathtub, the fat in the bathwater, etc., and there is a sanitary problem, so it must be discarded after all. , Cannot be used for a long period of time.

When the bath water is discarded and new water is poured, a large amount of energy is consumed for heating up to a predetermined temperature, and there is also a problem of wasting water.

Recently, the standard of living has improved and the number of people who enjoy bathing at any time has increased, but it takes some time to warm up to a predetermined temperature when water is replaced, and it is not possible to take a bath immediately when I want to take a bath. There is also the disadvantage that these people cannot be satisfied.

Further, since the above-mentioned reheating device is also provided with a filter and also has a heater, it can be used for a long time to some extent if a bad odor is tolerated. However, since the temperature control device is not provided, there is no guarantee that the hot water temperature is always kept at the predetermined temperature, and it is not possible to enjoy bathing at any time.

As described above, if the bath water contains microorganisms, oil, etc., it gives off a bad odor. Therefore, a device for sterilizing microorganisms, for example, a sterilizer for injecting ozone into the bath oil. Is well known in the art without need of an example. However, since the conventional sterilizer only injects ozone into hot water, there is a possibility that harmful effects may occur due to its strong oxidizing power.

It is also practiced to mix chlorine or hydrochloric acid into the bath water to sterilize it, but chlorine also causes chemical damage such as rough skin and decolorization of hair.

Therefore, an object of the present invention is to provide a bathtub hot water circulation supply device that can use the bathtub hot water for a long period of time. That is, the present invention, the filter is not clogged even after long-term use, therefore maintenance is easy, despite applying ozone as a sterilizing means, it is safe without harmful effects due to sterilizing action, It is an object of the present invention to provide a bath water circulating and supplying device which is hygienic and does not emit a foul odor and which is always maintained at a predetermined temperature.

Still another aspect of the present invention is that the filtration device is not clogged even when used for a long period of time, and therefore maintenance is easy, hygienic and does not give off a bad odor, and the bath water is always maintained at a predetermined temperature. It is intended to provide a circulating water supply device.

[Means for Solving the Problem] In order to achieve the above-mentioned object, the invention described in the first aspect of the claims is to provide a bathtub, a filtering means arranged outside the bathtub, and a bathtub in the same manner. A heating means disposed outside and a circulation pump are connected by a return pipe and a forward pipe to form a circulation path for bath water, and when the pump is started, the water in the bath circulates. In a bathtub hot water circulation supply device in which the hot water in the bathtub is forcibly circulated in the passage, and the hot water in the bathtub is treated during the passage, the filtering means is concentrically arranged in a cylindrical filtration tank and the tank. The inlet pipe connected to the return pipe is opened to the side wall of the tank, and the outlet pipe connected to the forward pipe is upward from the bottom wall of the tank through substantially the center. When it extends and opens in the upper space of the tank , The circulation and supply device of the bath hot water, a further ozone generator,
The setting means and the control means are provided, and the ozone generated from the ozone generator is configured to be injected into the forward pipe together with air through the backflow prevention means, and the setting means is the temperature of the hot water, Both of the operating times of the ozone generator are settable, and the control means is configured to control the heating means and the ozone generator as set by the setting means.

And another invention of the third description of the claims is
A bathtub, a filtering means arranged outside the bathtub, a heating means similarly arranged outside the bathtub, and a circulation pump are provided, which are connected by a return pipe and a forward pipe. When the pump is started, the hot water in the bathtub is forcibly circulated in the circulation path, and the hot water in the bathtub is treated during the hot water supply device. An activation tank is provided in the circulation path, and the filtering means is composed of a cylindrical filtration tank and a filter cloth concentrically arranged in the tank, and is provided in the return pipe. A continuous introduction pipe opens to the side wall of the tank, and a discharge pipe continuous to the forward pipe extends upward from the bottom wall of the tank substantially through the center and opens to the upper space of the tank. , The bath water circulation supply device is further set Comprising a stage, and a control means, the setting means is configured to establish the temperature of the hot water, said control means adapted to control the heating means as set by the setting means.

"Operation" The first invention of the claims operates as follows. That is, the circulation pump is started. Then, the bath water in the bathtub is forcibly circulated in the circulation pipe, and the bathwater is processed during that time.

When the bath water is circulated, the filtration means is composed of a cylindrical filtration tank and a filter cloth concentrically arranged in the tank,
Since the inlet pipe connected to the return pipe opens on the side wall of the tank, and the outlet pipe connected to the outward pipe extends upward from the bottom wall of the tank through substantially the center to the upper space of the tank.
The hot water that has entered the filtration tank from the introduction pipe flows from the entire circumference of the tubular filter cloth to the central part, then gathers in the upper space of the tank, and exits from the discharge pipe that is open to this space. At this time, the bath water is filtered.

At this time, the air gathering in the upper space of the tank also comes out together with the bath water.

When the hot water temperature is set to the desired temperature by the setting means during the forced circulation as described above, the control means controls the heating means so as to maintain the hot water temperature at the set temperature. When the operating time of the ozone generator is set by the setting means,
The control means actuates the ozone generator for a set time. Then, the generated ozone is injected together with air into the bath water in the outflow pipe through the backflow prevention means.

Other inventions operate in substantially the same manner as the above invention. That is, the circulation pump is started. Then, the bath water in the bathtub is forcibly circulated in the circulation pipe, and the bathwater is processed during that time.

When the bath water is circulated in this way, the filtering means is composed of a cylindrical filtration tank and a filter cloth concentrically arranged in the tank, and the introduction pipe connected to the return pipe is provided on the side wall of the tank. The outlet pipe that is open and connected to the forward pipe extends upward from the bottom wall of the tank through the substantial center and opens to the upper space of the tank, so the hot water that enters the filtration tank from the inlet pipe is a cylindrical filter cloth. Flows from the entire circumference to the center, gathers in the upper space of the tank, and exits from the outlet pipe that opens into this space. As a result, the bath water is filtered.

At this time, the air gathering in the upper space of the tank also comes out together with the bath water.

In the activating tank, the other nourishing bacteria that propagate in the tank decompose organic substances, for example, ammonnya that causes the bath water to rot, to purify the bath water. Further, while the bath water is ion-exchanged, minerals such as magnesium and zinc or active ingredients such as calcium and sodium are dissolved in the bath water, and the hydrogen ion concentration of the bath water is adjusted to be around neutral. As a result, the utilization effect is added to the bath water.

When the hot water temperature is set to the desired temperature by the setting means during the forced circulation as described above, the control means controls the heating means so as to maintain the hot water temperature at the set temperature.

"Example" Hereinafter, an example including an activation tank will be described. Referring to FIG. 1, the bathtub apparatus according to the present embodiment is roughly configured by a bathtub 1, a filtration tank 5 as a filtering means, a pump 3, a heater 6 as a heating means, and an active tank 7. At first glance, it is understood that these are sequentially connected in series by the conduits such as the outward pipe 10 and the return pipe 9. Further, it is easily understood that these devices are housed in the case 2 outside the bathtub 1 to make the devices compact.

The bath 1 and the case 2 are connected by a return pipe 9 and a forward pipe 10, the return pipe 9 is connected to the filtration tank 5, and the forward pipe 10 is connected to the active tank 7. Therefore, the hot water in the bathtub 1 is driven by the pump 3 as indicated by an arrow.
First, the impurities are removed by being introduced into the filtration tank 5, and then heated by the heater 6 to activate the hot water in the activation tank 7, and then return from the outward pipe 10 into the bath 1.

The filtration tank 5 is composed of a tubular body 51 having a tubular shape, as shown in FIG. A lid 52 is attached to the upper surface of the tubular body 51 to hermetically seal the inside of the tubular body 51. An introduction pipe 54 connected to the return pipe 9 is attached to a side surface of the cylindrical body 51, and an outlet pipe 53 is axially inserted into the cylindrical body 51 from a lower portion. And outlet pipe 53
Has an opening facing the upper space of the cylinder. Therefore, the bath water introduced into the tubular body 51 is not discharged from the outlet pipe 53 until the tubular body 51 is filled with the bath water.

Around the outlet pipe 53, sponge-like filter cloths 55a, 55b, 55c made of polyurethane or the like are concentrically laminated in three layers. The mesh of the filter cloths 55a, 55b, 55c becomes smaller toward the inner layer, and the contaminants are appropriately collected by the filter cloths 55a, 55b, 55c according to the diameter and the length. As described above, since the entire circumferential surface of the filter cloths 55a, 55b, 55c is used for filtration, the collecting area is large, and the filter cloths 55a, 55b, 55c may be clogged even when used for a long time. There is no such thing.

Appropriate heaters such as gas combustion heaters and electric heaters can be applied to the heater 6, but ceramics can also be applied. A heater using ceramics is one in which a rod made of zirconia-based ceramic is arranged around the heating heater, and the far-infrared rays are radiated from the zirconia-based ceramic by the heat from the heating heater, and the hot water is heated by the far-infrared rays. It Hot water heated or heated by far infrared rays has a greater heat retaining effect than hot water heated by general heating means, and the bathing effect is increased.

The activated tank 7 is filled with one or more kinds of activated stones such as barley stone, sulfur stone, obsidian, driftstone, unweathered pearlite, and hot water passes through the activated tank 7. Then, the bacteria that multiply in this tank 7, which are capable of supporting other nutrients, that is, the organic matter that decomposes the organic matter to obtain the energy of life, decomposes the organic matter, for example, ammonnya that causes the bath water to decompose Purify. Further, the bath water is ion-exchanged, and minerals such as magnesium and zinc or active ingredients such as calcium and sodium are dissolved in the bath water, and the hydrogen ion concentration of the bath water is adjusted to be around neutral. This imparts a bathing effect to the bath water.

On the outer wall of the case 2, a conventionally known ozone generator 8 is attached as a sterilizing means. An air pipe 81 is connected to the ozone generator 8. And this air pipe 81
Has a tip portion connected to the outflow tube 10 via a trap portion 82. Therefore, when the pump 3 is driven and the bath water is ejected from the outflow pipe 10, ozone is mixed with the air into the bath water due to the negative pressure generated at the time of ejection, so that microorganisms and the like in the bath water are sterilized, and deodorization, Decolorized. This allows
Bath water is always kept clean. As described above, since it is not necessary to use chlorine for sterilizing the bath water, irritation is small and it can contribute to health maintenance. In this case, ozone is jetted into the bathtub 1 together with the bath water to directly hit the human body of the bather to sterilize the skin, so that the skin can be cleaned.

In FIG. 1, reference numeral 82 indicates a reverse trap portion formed by bending a part of the air tube 1. The trap portion 82 is bent so as to be higher than the bath surface of the one bath, and prevents the bath water from flowing back into the ozone generator 8.

In such a bath water circulation supply device, the heater 6 and the ON generator 8 are controlled to be started and stopped by a single controller 11. This controller 1
1 is formed separately from the case 2, is installed in the bathroom or outside the bathroom as appropriate, and is electrically connected to the heater 6 and the ozone generator 8.

The controller 11 includes a microcomputer, and the microcomputer has a timer function, a setting function,
It has a control function, a reservation function, a continuous operation function without reservation,
It is possible to set the operating time of the ozone generator 8 and the hot water temperature. Then, the ozone generator 8 and the heater 6 are controlled as set by the control function. As shown in FIG. 3, the controller 11 has a digital display section 12 and a numeric keypad section 13 for setting a mode, and the numeric keypad section 13 has numeric keys 14 of "0" to "9",
Six setting keys "13a" to "13" for mode setting
f ”. The display unit 12 displays the set numerical value, hot water temperature, and time by switching.
A lighting lamp 15 is provided below the display unit 12 to display the operating states of the pump 3, the heater 6, and the ozone generator 8.

The setting key “13a” is for issuing a control start signal of the controller 11, the key “13b” is for setting the repetition time of the ozone generator, the key “13c” is for the setting time, and the key “13d” is for hot water. To set the temperature, press the key "13
"e" is the display signal of the time on the display unit 12, and the key "1"
3f "is for issuing setting signals for various modes.

Therefore, for example, when setting the temperature of the bath water to 40 degrees Celsius, the key "13f", the key "13d", and the numeric key 1
Type 4 "4", "0", and key "13d" in that order. As a result, the hot water temperature is set to 40 degrees Celsius. When the start key "13a" is pressed, the microcomputer starts the operation according to the program and controls the heater 6 so that the hot water temperature becomes 40 degrees or is maintained.

Next, when setting the ozone generation time to, for example, 10 minutes, the key "13f", the key "13c", and the numerical key 14
"1", "0", and key "13f" in this order. When the sterilization repetition time, that is, the ozone generation repetition time is set to, for example, 2 hours, the key "13f", the key "13b", the numerical key 14, "2", and the key "13f" are sequentially pressed. As a result, the ozone generator 8 is set to 1 every 2 hours.
It is set to generate ozone for 0 minutes. Since the microcomputer has a timer function and a control function, the ozone generator 8 is on / off controlled as set.

Obviously, the controller 11 can be implemented by a dial instead of the ten keys.

[Advantages of the Invention] As described above, according to the first aspect of the invention, the filtering means is composed of a cylindrical filtration tank and a filter cloth concentrically arranged in the tank. Since the bath water is introduced from the side wall of the tank and comes out from the upper space, the filtration area is large relative to the volume, and it does not cause clogging even after long-term use. The effect is obtained. Therefore, maintenance of the filtering means is easy, and the circulation resistance of the bath water does not increase due to clogging, so that the capacity of the circulation pump can be small. Furthermore, since the air accumulated in the tank escapes from the outlet pipe, it is not necessary to separately provide a pipe for venting the air, and it can be manufactured compactly and inexpensively.

Further, according to the present invention, since ozone is injected into the bath water together with air, microorganisms, oils and the like which are not collected by the filtering means are sterilized, deodorized and decolorized. Therefore, even if the bath oil is used for a long period of time, the bath water is not contaminated and does not give off a bad odor. Moreover, according to the present invention, the time for generating ozone can be set by the setting means while observing the state of the bath water, and is controlled by the control means, so that ozone is not unnecessarily generated and energy can be saved. Therefore, it is possible to avoid the harmful effects of the oxidizing power of ozone.

Further, according to the present invention, since the ozone generator is provided with the setting means and the control means, the operating time of the ozone generator and the temperature of the bath water are arbitrarily set, and the ozone generation is performed by the control means as set. The vessel and heating means are controlled. Therefore, the bath water is kept clean and always at a predetermined temperature.

As described above, according to the present invention, the hot water is always at the predetermined temperature,
Moreover, since it is kept in a clean state, you can enjoy bathing at any time economically without exchanging hot water for a long time.

According to the second invention of the scope of claims, an activation layer is further provided in the circulation path, so that the bacteria that propagate in this tank and are nourishing spoil the bath water. The effect peculiar to the present invention is obtained in that the bath water is purified by, for example, decomposing ammonnia that causes the above. Furthermore, while the bath water is ion-exchanged, the mineral components such as magnesium and zinc or active ingredients such as calcium and sodium are dissolved in the bath water, and the hydrogen ion concentration of the molten bath is adjusted to be around neutral, which gives the bath effect. The effect of being added is also obtained.

[Brief description of drawings]

FIG. 1 is a schematic front view showing an embodiment of the present invention, FIG. 2 is a perspective view showing an embodiment of a filtering device, and FIG. 3 is a schematic front view showing an embodiment of a controller. 1. ・ Bathtub 3 ・ ・ Circulation pump 5 ・ ・ Filtration device 7 ・ ・ Activation tank 8 ・ ・ Ozone generator 11 ・ ・ Controller

Claims (3)

[Claims] 1. A bathtub, a filtering means arranged outside the bathtub, a heating means similarly arranged outside the bathtub, and a circulation pump, which are provided by a return pipe and a forward pipe. A bathtub hot water is connected to form a bathtub hot water circulation path, and when the pump is started, the bathtub hot water is forcibly circulated in the circulation path, and the bathtub hot water is processed in the meantime. In the circulation supply device, the filtering means is composed of a cylindrical filtration tank and a filter cloth concentrically arranged in the tank, and the introduction pipe connected to the return pipe is opened at a side wall of the tank. The outlet pipe connected to the forward pipe extends upward from the bottom wall of the tank substantially through the center and opens in the upper space of the tank. A generator,
The setting means and the control means are provided, and the ozone generated from the ozone generator is configured to be injected into the forward pipe together with air through the backflow prevention means, and the setting means is the temperature of the hot water, A circulating hot water supply device for bath water, which is configured so that both operating times of the ozone generator can be set, and the control means controls the heating means and the ozone generator as set by the setting means. . 2. A circulating hot water supply device for bath tubs, wherein an activation tank is provided in the circulation path according to claim 1. 3. A bathtub, a filtering means arranged outside the bathtub, a heating means similarly arranged outside the bathtub, and a circulation pump, which are provided by a return pipe and a forward pipe. A bathtub hot water is connected to form a bathtub hot water circulation path, and when the pump is started, the bathtub hot water is forcibly circulated in the circulation path, and the bathtub hot water is processed in the meantime. In the circulating supply device, the circulation passage is provided with an activation tank, and the filtering means is composed of a cylindrical filtration tank and a filter cloth concentrically arranged in the tank. An inlet pipe connected to the return pipe is opened to a side wall of the tank, and an outlet pipe connected to the outward pipe extends upward from a bottom wall of the tank substantially through a center to an upper space of the tank. With the opening, the circulation supply device for the bath water is Further, a setting means and a control means are provided, the setting means is configured to set the temperature of the hot water, and the control means controls the heating means as set by the setting means. A circulating bath water supply device.