JP2006239321A - Mixing apparatus for bathtub - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mixing apparatus for a bathtub for sufficiently mixing a gas in a liquid supplied into the bathtub. <P>SOLUTION: This mixing apparatus for a hot bath is equipped with: a bathtub 10; a mixing tank 20; a liquid-supplying line 71 for supplying the liquid from the mixing tank 20 to the bathtub 10; a liquid-recovering line 72 for recovering the liquid from the bathtub 10 to the mixing tank 20; a liquid-supplying part 50 which supplies warm water to the bathtub 10 through a tube line 78 to supply the liquid into a liquid circulation line from the mixing tank 20 to the mixing tank 20 through the liquid-supplying line 71, the bathtub 10 and the recovering line 72; a gas-supplying part 40 supplying CO<SB>2</SB>to the mixing tank 20 through a tube line 77; and a circulation means 30 for mixing the warm water and the CO<SB>2</SB>in the mixing tank 20. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a mixing device for a bathtub for mixing a gas with a liquid to be supplied to the bathtub.

  As an apparatus that mixes a gas into a liquid to be supplied to such a bathtub, an apparatus described in Patent Document 1 is known.

  The device described in Patent Literature 1 includes a bathtub, a jet nozzle that jets a jet into the bathtub, and an air intake that is connected to the jet nozzle via an air inflow pipe.

For this reason, according to the apparatus of patent document 1, the liquid which gas mixed into the bathtub can be supplied, and it becomes possible to improve a warm bath effect.
JP 2001-145676 A

  However, according to the apparatus described in Patent Document 1, the gas cannot be sufficiently mixed because the gas to be supplied to the bathtub is simply supplied by the air inflow pipe. If the gas cannot be sufficiently mixed in this way, the gas immediately flows out from the liquid supplied to the bathtub, and a sufficient warm bath effect cannot be obtained.

  For this reason, this invention is made in order to solve the above subjects, and it aims at providing the mixing apparatus for bathtubs for fully mixing gas with respect to the liquid supplied to a bathtub. And

  The invention according to claim 1 includes a bathtub, a mixing tank, a liquid supply path for supplying liquid from the mixing tank to the bathtub, and a liquid for recovering liquid from the bathtub to the mixing increase. A recovery path, a liquid supply section for supplying liquid into the circulation path of liquid from the mixing tank to the mixing tank via the supply path, the bathtub, and the recovery path, and gas to the supply path or the mixing tank And a circulating means for mixing the liquid and the gas in the mixing tank.

  The invention according to claim 2 is the mixing apparatus for a bathtub according to claim 1, wherein the circulation means is a circulation pump, an inflow path for allowing liquid to flow from the mixing tank to the circulation pump, and the circulation. And an outflow path for allowing liquid to flow out from the pump to the mixing tank.

  According to a third aspect of the present invention, in the bathtub mixing device according to the second aspect, a heater is disposed in the inflow path or the outflow path.

  Invention of Claim 4 is the mixing apparatus for bathtubs in any one of Claim 1 thru | or 3. WHEREIN: The said liquid supply part supplies warm water to the said bathtub.

  According to a fifth aspect of the present invention, in the bathtub mixing device according to any one of the first to fourth aspects, the gas stored in the gas storage section is carbon dioxide.

  A sixth aspect of the present invention is the mixing apparatus for a bathtub according to any one of the first to fifth aspects, wherein the circulating means includes a submersible pump disposed inside the mixing tank.

  The invention described in claim 7 is the mixing apparatus for bathtubs described in claim 6, wherein the submersible pump mixes the liquid and gas inside the mixing tank.

  According to the first aspect of the present invention, since the gas supply unit that supplies the gas to the supply path or the mixing tank and the circulation means for mixing the liquid and the gas in the mixing tank are provided, the gas is supplied to the bathtub. It becomes possible to sufficiently mix the gas with the liquid.

  According to the invention described in claim 2, the circulation means includes a circulation pump, an inflow path for allowing liquid to flow from the mixing tank to the circulation pump, and an outflow path for allowing liquid to flow from the circulation pump to the mixing tank. Therefore, the gas can be sufficiently mixed with the liquid supplied to the bathtub while having a simple configuration.

  According to invention of Claim 3, since the heater was arrange | positioned in the inflow path or the outflow path, it becomes possible to maintain the inside of a bathtub at appropriate temperature.

  According to invention of Claim 4, since a liquid supply part supplies warm water to a bathtub, it becomes possible to supply a liquid of a suitable temperature to a bathtub.

  According to the fifth aspect of the present invention, since the gas stored in the gas storage section is carbon dioxide, the warm bath effect can be enhanced.

  According to the invention described in claim 6, since the circulation means includes the submersible pump disposed inside the mixing tank, the submersible pump itself can be cooled and the liquid stored in the mixing tank is stored. It is possible to raise the temperature.

  According to the invention described in claim 7, since the submersible pump mixes the liquid and gas inside the mixing tank, the gas can be efficiently and sufficiently mixed with the liquid supplied to the bathtub. Become.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram schematically showing the flow of gas and liquid in the mixing apparatus for bathtubs according to the first embodiment of the present invention.

  The mixing apparatus for bathtubs according to the first embodiment of the present invention includes a bathtub 10, a mixing tank 20, a liquid supply path 71 for supplying liquid from the mixing tank 20 to the bathtub 10, and the mixing tank 20 from the bathtub 10. In order to supply the liquid to the liquid circulation path 72 for collecting the liquid and the liquid circulation path from the mixing tank 10 to the mixing tank 20 via the supply path 71, the bathtub 10 and the pipe 72. The liquid supply unit 50 that supplies liquid to the bathtub 10 via the pipe line 78, the gas supply part 40 that supplies gas to the mixing tank 20 via the pipe line 77, and the liquid and gas mixed in the mixing tank 10 And a circulation means 30 for the purpose.

  The circulation means 30 includes a circulation pump 31, an inflow path 73 for allowing liquid to flow from the mixing tank 20 to the circulation pump 31, and an outflow path 74 for allowing liquid to flow out from the circulation pump 31 to the mixing tank 20. . In the circulation means 30, a heater 61 (see FIGS. 4 to 6) as a heating means is disposed in the inflow path 73. For this reason, it becomes possible to maintain the bathtub 10 at appropriate temperature. The circulation pump 31 may be disposed inside the mixing tank 20 or may be disposed outside the mixing tank 20.

  The bathtub 10 and the circulation pump 31 are connected to a pipe line 75 and a pipe line 76, respectively, in order to drain the liquid to the outside of the apparatus.

  In addition, the supply path 71, the pipe line 72, the inflow path 73, the outflow path 74, the pipe line 75, the pipe line 76, the pipe line 77, and the pipe line 78 are open / close valves 81, 82, 83, 84, 85, 86, respectively. 87, 88, 89 are connected. For this reason, it becomes possible to control the inflow and outflow amounts of the liquid and the gas with respect to the bathtub 10, the mixing tank 20, the circulation means 30, and the outside of the apparatus.

  Moreover, the mixing tank 20 is set so that the liquid of 1/2 or more of the bathtub 10 can be stored. For this reason, a large amount of liquid to be supplied to the bathtub 10 can be processed in the mixed layer 20, and hot water mixed with carbon dioxide can be stably supplied as described later.

  Moreover, the mixing tank 20 is formed with an opening for releasing air above the mixing tank 20. This opening is connected to an on-off valve 89 and is controlled to be freely opened and closed.

  FIG. 2 is a block diagram showing the main electrical configuration of the mixing apparatus for bathtubs according to the first embodiment of the present invention.

  This mixing apparatus for bathtubs includes a control unit 110 including a ROM 111 that stores an operation program necessary for controlling the apparatus, a RAM 112 that stores data and the like at the time of control, and a CPU 113 that executes a logical operation. The control unit 110 includes on-off valves 81 to 88 in the bathtub mixing device, a bathtub water volume sensor 120 capable of detecting the water volume of the bathtub 10, a mixing tank water volume sensor 130 capable of detecting the water volume of the mixing tank 20, and a setting which will be described later. A counter 140 capable of counting the time T1 or T2 is connected via an interface 114.

  FIG. 3 is a flowchart showing a process of mixing liquid and gas by the bathtub mixing apparatus according to the first embodiment of the present invention. Moreover, FIG. 4 thru | or FIG. 6 is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing. In the first to third embodiments of the present invention described below, the liquid supplied from the liquid supply unit 50 is warm water, and the gas supplied from the gas supply unit 40 is carbon dioxide.

  When mixing hot water and carbon dioxide using the bathtub mixing apparatus according to the first embodiment of the present invention, first, the on-off valve 88 shown in FIG. Hot water is supplied to (step S1). Here, the liquid supply part 50 supplies water, such as a water pipe, to the bathtub 10 via heating means, such as boiling water.

  When the hot water supplied from the liquid supply unit 50 to the bathtub 10 exceeds a predetermined amount, the on-off valve 88 is closed (steps S2, 3). By controlling in this way, the amount of water stored in the bathtub 10 can be adjusted.

  And as shown in FIG. 4, while opening the on-off valves 82 and 89, air is vented from the upper direction of the mixing tank 20, and a liquid is supplied to the mixing tank 20 from the bathtub 10 (step S4).

  When the liquid supplied into the mixing tank 20 reaches a predetermined water level in the mixing tank 20, the on-off valves 82 and 89 are closed to stop the air venting from above the mixing tank 20, and the inside of the mixing tank 20 The supply of liquid to is stopped (steps S5 and S6).

  Next, as shown in FIG. 5, the on-off valve 87 is opened, and carbon dioxide is supplied from the gas supply unit 40 to the mixing tank 20 (step S7). By supplying carbon dioxide to the mixing tank 20 in this way, it is possible to enhance the warm bath effect. The set time T1 is determined in advance as the supply time of carbon dioxide from the gas supply unit 40 to the mixing tank 20. For this reason, it becomes possible to control easily.

  At this time, liquid and gas are continuously supplied to the mixing tank 20, thereby generating convection in the mixing tank 20. By this convection, the liquid and gas supplied into the mixing tank 20 are mixed.

  When the set time T1 has elapsed, the on-off valve 87 is closed, and the supply of carbon dioxide from the gas supply unit 40 to the mixing tank 20 is stopped (steps S8 and S9).

  Thereafter, as shown in FIG. 6, the opening / closing valve 83 is opened, the hot water and carbon dioxide in the mixing tank 20 are caused to flow into the circulation means 30 including the heater 61 and the circulation pump 31, and the opening / closing valve 84 is opened. Then, the hot water and carbon dioxide that have flowed into the circulation means 30 are caused to flow again into the mixing tank 20 (step S10). For this reason, it becomes possible to fully mix the hot water and carbon dioxide in the mixing tank 20. A set time T2 is determined in advance as a circulation time for circulating the hot water and carbon dioxide by the circulation means 30. For this reason, it becomes possible to control easily.

  When the set time T2 elapses, the on-off valve 81 is opened, and hot water mixed with carbon dioxide is supplied from the mixing tank 20 to the bathtub 10 (steps S11 and S12). At this time, the on-off valve 89 is opened. Thereby, the hot water stored in the mixing tank 20 is pressed by the atmosphere and smoothly flows out toward the bathtub 10.

  In addition, if the hot water supplied to the bathtub 10 in the mixing tank 20 decreases, it may return to step S1 and start work again, or may return to step S4 and start work.

  In addition, during the steps S10 to S12, the on-off valve 82 may be opened to supply hot water from the bathtub 10 to the mixing tank 20. Further, at this time, the on-off valve 87 may be opened to supply carbon dioxide from the gas supply unit 40 to the mixing tank 20.

  After finishing these operations, when the hot water stored in the mixing tank 20 or the bathtub 10 is to be drained, the on-off valves 85 and 86 are opened, and the hot water is drained to the outside of the apparatus (steps S13 and S14). ). At this time, preferably, the on-off valve 89 is opened and external air is supplied to the mixing tank 20.

  According to such a mixing apparatus for a bathtub according to the first embodiment, the pipe line 72 and the pipe line 77 are separately connected to the mixing tank 20, so that the liquid and the gas are separately supplied into the mixing tank 20. Can be supplied. For this reason, liquid and gas can be controlled separately.

  Hereinafter, another embodiment of the present invention will be described with reference to the drawings. FIG. 7 is a diagram schematically showing the flow of gas and liquid in the mixing apparatus for bathtubs according to the second embodiment of the present invention.

  Although the mixing apparatus for bathtubs concerning 1st Embodiment of this invention becomes the structure by which the pipe line 72 and the pipe line 77 are separately connected with respect to the mixing tank 20, it is for bathtubs which concern on 2nd implementation mobile phone. The mixing apparatus for bathtubs according to the mixing apparatus is a bathtub according to the first embodiment in that the pipe 77 is connected to the pipe 72 and only the pipe 72 is connected to the mixing tank 20. The mixing device for a bathtub and the mixing device for a bathtub according to the second embodiment are different.

  According to the bathtub mixing apparatus according to the second embodiment, the on-off valve 87 disposed between the pipe line 77 and the mixing tank 20 in the bathtub mixing apparatus according to the first embodiment is omitted. Therefore, the configuration of the apparatus can be simplified.

  Next, a bathtub mixing apparatus according to a third embodiment of the present invention will be described with reference to the drawings. FIG. 8 is a diagram schematically showing the flow of gas and liquid in the mixing apparatus for bathtubs according to the third embodiment of the present invention.

  The mixing apparatus for bathtubs according to the third embodiment of the present invention is provided with an on-off valve 103, a pipe 91, a pipe 92, and a pipe 91 for injecting air, instead of the on-off valve 89 according to the first embodiment. An on-off valve 101 to be connected and an on-off valve 102 to be connected to the pipe line 92 are provided. Further, the pipeline 92 is connected to the pipeline 91, and the pipeline 91 to which the pipeline 92 is connected is further connected to the supply channel 71. Thereby, the gas and liquid in the mixing tank 20 are supplied to the bathtub 10 via the pipe line 91 and the pipe line 92. The pipe 91 is provided with a flow rate sensor 62 that detects the amount of water flowing through the pipe 91. Furthermore, the mouth part in the mixing tank 20 of the pipe line 91 is disposed above the mixing tank 20, and the mouth part in the mixing tank 20 of the pipe line 92 is disposed below the mixing tank 20.

  For this reason, in the hot water stored in the mixing tank 20, it becomes possible to allow hot water having different mixed concentrations of carbon dioxide to flow into the respective pipelines. Thereby, as will be described later, it is possible to supply hot water in which carbon dioxide is appropriately mixed into the bathtub 10.

  The on-off valves 101, 102, 103 and the flow sensor 62 are electrically connected to the control unit 110 via the interface 114 shown in FIG. 2 in the same manner as the other on-off valves 81 to 88. Yes.

  FIG. 9: is a flowchart which shows the process of the mixing of the liquid and gas by the mixing apparatus for bathtubs concerning 3rd Embodiment of this invention. 10 to 12 are explanatory views showing the vicinity of the mixing tank 20 in the mixing step.

  When hot water and carbon dioxide are mixed using the mixing apparatus for bathtubs according to the third embodiment of the present invention, first, the on-off valve 88 is opened to supply hot water from the liquid supply unit 50 to the bathtub 10. (Step S31). And if the warm water supplied to the bathtub 10 from the liquid supply part 50 becomes more than predetermined amount, the on-off valve 88 will be closed (step S32, 33).

  Then, as shown in FIG. 10, the on-off valves 82 and 101 are opened, air is vented from above the mixing tank 20 via the pipe line 91, and from the bathtub 10 to the mixing tank 20 via the pipe line 72. Liquid is supplied (step S34).

  When the hot water supplied into the mixing tank 20 reaches a predetermined water level in the mixing tank 20, the on-off valve 82 is adjusted to adjust the supply of hot water so as to reduce the amount of hot water supplied into the mixing tank 20. (Steps S35, 36).

  Next, as shown in FIG. 11, the on-off valve 87 is opened, and carbon dioxide is supplied from the gas supply unit 40 to the mixing tank 20 (step S37).

  When the flow rate sensor 62 detects a water amount that is equal to or greater than a predetermined amount, the on-off valve 87 is adjusted to reduce the gas supply amount from the gas supply unit 40 to the mixing tank 20. The supply is adjusted (steps S38, 39).

  Thereafter, as shown in FIG. 12, the on-off valve 83 is opened, and the liquid and gas in the mixing tank 20 are allowed to flow into the circulation means 30 including the heater 61 and the circulation pump 31, and the on-off valve 84 is opened. The liquid and gas that have flowed into the circulation means 30 are again flowed out to the mixing tank 20 (step S40). For this reason, it becomes possible to fully mix the liquid and gas in the mixing tank 20. The set time T3 is determined in advance as a circulation time for circulating the liquid and the gas by the circulation means 30.

  When the set time T3 has elapsed, the on-off valves 81 and 102 are opened, and the liquid in which the gas is mixed is supplied from the mixing tank 20 to the bathtub 10 (steps S41 and S42). At this time, it is possible to supply the liquid in which the gas is mixed from the mixing tank 20 to the bathtub 10 through the pipe 91, the pipe 92, and the supply path 71. Since the mouth portions of the pipe 91, the pipe 92, and the supply path 71 in the mixing tank 20 are arranged at different locations, hot water having different mixed concentrations of carbon dioxide is bathed through the respective paths. 10 will be supplied. At this time, the on-off valve 103 is opened. Thereby, the hot water stored in the mixing tank 20 is pressed by the atmosphere and smoothly flows out toward the bathtub 10.

  After finishing these operations, when it is desired to drain the hot water stored in the mixing tank 20 or the bathtub 10, the on-off valves 85 and 86 are opened, and the hot water is drained to the outside of the apparatus (steps S43 and S44). ). At this time, preferably, the on-off valve 103 is opened and external air is supplied to the mixing tank 20.

  FIG. 13 thru | or FIG. 15 is explanatory drawing which shows the mixing tank 20 periphery in the mixing process in the mixing apparatus for bathtubs concerning 4th Embodiment of this invention.

  The mixing apparatus for bathtubs according to the fourth embodiment of the present invention further includes an on-off valve 104 with respect to the mixing apparatus for bathtubs according to the first embodiment. In the mixing apparatus for bathtubs according to the fourth embodiment, the on-off valve 89 is used exclusively for letting gas flow out of the mixing tank 20, and the on-off valve 104 is used exclusively for letting gas flow into the mixing tank 20 from the outside. used.

  In the mixing apparatus for bathtubs according to the fourth embodiment of the present invention, by adopting, for example, a valve mechanism described in Japanese Patent Application Laid-Open No. 2004-0667099 as the on-off valve 104, the external device is exclusively configured with a simple configuration. Therefore, the configuration in which the gas flows into the mixing tank 20 is achieved. In addition, the valve mechanism described in JP 2004-0667099 A is a valve seat portion having a substantially cylindrical shape in which a circular opening functioning as a valve seat is formed at the bottom thereof, and a valve seat portion. An annular support portion disposed inside, a valve body having a shape corresponding to the circular opening, and a plurality of connection portions for connecting the support portion and the valve body, the plurality of connection portions being flexible The valve body includes a resin valve portion configured to be movable between a closed position in which the valve body closes the opening in the valve seat portion and an open position in which the opening portion is opened. It is a feature. However, the structure of the on-off valve 104 is not limited to such a valve mechanism, and may be any structure that allows gas to flow into the mixing tank 20 from the outside only when the pressure of the mixing tank 20 becomes lower than the external pressure. .

  According to such a mixing apparatus for a bathtub according to the fourth embodiment, the pressure difference between the inside and outside of the mixing tank 20 can be reduced, and the mixing tank as in the mixing apparatus for a bathtub according to the first embodiment. When hot water mixed with carbon dioxide is supplied from 20 to the bathtub 10, the hot water stored in the mixing tank 20 is smoothly discharged from the mixing tank 20 toward the bathtub 10 without opening the on-off valve 89. Is possible.

  In the embodiment described above, the heating means 60 in the circulation means 30 is disposed in the inflow path 73, but may be disposed in the outflow path 74, and the supply path from the mixing tank 20 other than the circulation means 30. 71, and may be disposed in a liquid circulation path that reaches the mixing tank 20 via the bathtub 10 and the pipe 72. Moreover, the mixing apparatus for bathtubs which is not provided with the heating means 60 may be sufficient.

  In the above-described embodiment, the on-off valve 89 in the first and second embodiments and the on-off valve 103 in the third embodiment are configured to be opened when liquid is supplied from the mixing tank 20 to the bathtub 10. However, when the liquid is supplied from the mixing tank 20 to the bathtub 10 in order to prevent contact between the liquid inside the mixing tank 20 and the outside air, it is preferable that the structure is not opened. For example, the on-off valve 89 and the on-off valve 103 may be opened only when the liquid stored in the mixing tank 20 or the bathtub 10 is drained. In addition, when opening only at the time of draining in this way, you may arrange | position the on-off valve 103 in 3rd Embodiment in the pipe line 91 or the pipe line 92. FIG.

  Next, a mixing apparatus for bathtubs according to a fifth embodiment of the present invention will be described.

  FIG. 16: is a figure which shows the flow of the liquid and gas by the mixing apparatus for bathtubs concerning 5th Embodiment of this invention. Moreover, FIG. 17 is explanatory drawing which shows the mixing tank 20 periphery in the process of the mixing.

  The mixing apparatus for bathtubs according to the fifth embodiment of the present invention is different from the mixing means for bathtubs according to the third embodiment in that a submersible pump 22 is provided as a circulating means instead of the circulating means 30 in the third embodiment. Different.

  The submersible pump 22 in the mixing apparatus for bathtubs according to the fifth embodiment is disposed inside the mixing tank 20 as a circulation means. The submersible pump 22 mixes the liquid and gas inside the mixing tank 20. Thus, since the submersible pump 22 as a circulation means is arrange | positioned inside the mixing tank 20, it becomes possible to cool the submersible pump 22 itself with the effect | action of the liquid stored inside the mixing tank 20. FIG. Thereby, the mixing apparatus for bathtubs according to the fifth embodiment can be operated continuously for a long time as compared with the case where the circulation pump is disposed outside the mixing tank 20. Further, the temperature of the liquid stored in the mixing tank 20 can be raised by the action of heat generated by driving the submersible pump 22. Thereby, it becomes possible to reduce the cost by the heating with a heater.

  In addition, when using the mixing apparatus for bathtubs concerning this 5th Embodiment, you may employ | adopt the structure which drains the liquid inside the mixing tank 20 by making it connect directly to the pipe line 75 from the mixing tank 20. FIG.

  Next, a mixing apparatus for bathtubs according to a sixth embodiment of the invention will be described.

  FIG. 19 is a diagram showing the flow of liquid and gas by the bathtub mixing apparatus according to the sixth embodiment of the present invention. Moreover, FIG. 20 is explanatory drawing which shows the mixing tank 20 periphery in the process of the mixing.

  The mixing apparatus for bathtubs according to the sixth embodiment of the present invention is provided with a pipe line 93 connected from the mixing tank 20 with respect to the pipe line 77 in the first embodiment. Different from mixing device.

  The pipe 93 in the bathtub mixing apparatus according to the sixth embodiment is for supplying the gas vaporized in the mixing tank from the gas supply unit 40 to the pipe 77 connected to the mixing tank 20. An open / close valve 105 is connected to the pipe line 93. For this reason, the gas which is not mixed with the liquid in the mixing tank 20 is supplied again into the mixing tank 20 via the pipe line 93 and the pipe line 77. As a result, the gas that is not mixed with the liquid in the mixing tank 20 can be mixed with the liquid without being wasted.

  In the above-described embodiment, the liquid supply unit 50 is configured to supply the liquid to the bathtub 10 via the pipe 78, but the liquid supply unit 50 is mixed from the mixing tank 20 via the supply path 71, the bathtub 10, and the pipe 72. As long as the liquid is supplied into the liquid circulation path reaching the tank 20, the liquid may be supplied to any of the pipe 72, the mixing tank 20, the circulation means 30, or the supply path 71.

  Moreover, the liquid that flows into the mixing tank 20 from the outflow path in the above-described embodiment may flow in by a jet jet. In this case, convection is generated in the mixing tank 20, and the liquid and the gas can be mixed more sufficiently. In this case, as shown in FIG. 18, an air reservoir 21 may be provided above the mixing tank 20, and a conduit 79 connecting the air reservoir 21 and the conduit 73 may be further provided. By providing the pipe 79 connecting the air reservoir 21 and the pipe 73 in this way, it becomes possible to take in the gas necessary for the jet jet from the mixing tank 20. For this reason, it is not necessary to introduce new gas from the outside, and the airtightness in the mixing tank 20 can be improved.

  Moreover, in the mixing apparatus for bathtubs which concerns on embodiment mentioned above, although the liquid supplied from the liquid supply part 50 is used as warm water and the gas supplied from the gas supply part 40 is used as carbon dioxide, it is supplied from the liquid supply part 50. The liquid to be used may be a liquid other than warm water, and the gas supplied from the gas supply unit 40 may be a gas other than carbon dioxide.

  Moreover, in the mixing apparatus for bathtubs which concerns on embodiment mentioned above, although the structure which collect | recovers liquids from the bathtub 10 to the mixing 20 is employ | adopted, in this case, using the circulation pump comprised, for example by a motor etc. The liquid may be recovered. In addition, when using a circulation pump in this way, a circulation pump may be arrange | positioned inside the bathtub 10 and may be arrange | positioned outside the bathtub 10. FIG.

  Moreover, in the mixing apparatus for bathtubs which concerns on embodiment mentioned above, although the gas supply part 40 which supplies gas to the mixing tank 20 via the pipe line 77 is provided, in addition to the gas supply part 40, the mixing tank 20 On the other hand, for example, a blood circulation promoting substance supply unit that supplies organic germanium or the like having an effect of promoting blood circulation in the body may be provided. Also in this case, the blood circulation promoting substance can be appropriately dissolved in the liquid in the mixing tank 20.

  Furthermore, you may connect the supply pipe | tube 150 as shown in FIG. 21 to the pipe line 72 in the mixing apparatus for bathtubs which concerns on embodiment mentioned above. A large number of holes 151 are formed in the supply pipe 150 shown in FIG. By connecting the supply pipe 150 to the pipe line 72, the liquid is supplied to the mixing tank 20 from the pipe line 72 through these many holes 151. For this reason, the liquid is discharged into the mixing tank 20 in a shower shape, so that the gas dissolution efficiency can be increased.

  In addition, if this supply pipe | tube 150 is connected to the part penetrated in the mixing tank 20 in the pipe line 72, even if it is the state immersed in a liquid mixture, it is effective even if it is not immersed It is. As long as the liquid is immersed in the mixed liquid, the liquid flows out from the large number of holes 151, thereby causing convection in the mixing tank 150. For this reason, it becomes possible to fully mix the liquid and gas inside the mixing tank 20. Moreover, if it is the state which is not immersed in a liquid mixture, the liquid which flows out out of many hole parts 151 will contact with more gas. For this reason, it becomes possible to fully mix the liquid and gas inside the mixing tank 20.

It is a figure which shows typically the flow of the gas and liquid of the mixing apparatus for bathtubs concerning 1st Embodiment of this invention. It is a block diagram which shows the main electrical structures of the mixing apparatus for bathtubs concerning 1st Embodiment of this invention. It is a flowchart which shows the process of the mixing of the liquid and gas by the mixing apparatus for bathtubs concerning 1st Embodiment of this invention. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 1st Embodiment. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 1st Embodiment. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 1st Embodiment. It is a figure which shows typically the flow of the gas and liquid of the mixing apparatus for bathtubs concerning 2nd Embodiment of this invention. It is a figure which shows typically the flow of the gas and liquid of the mixing apparatus for bathtubs concerning 3rd Embodiment of this invention. It is a flowchart which shows the process of the mixing of the liquid and gas by the mixing apparatus for bathtubs concerning 3rd Embodiment of this invention. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 3rd Embodiment. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 3rd Embodiment. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 3rd Embodiment. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 4th Embodiment. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 4th Embodiment. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 4th Embodiment. It is a figure which shows typically the flow of the gas and liquid of the mixing apparatus for bathtubs concerning 5th Embodiment of this invention. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 5th Embodiment. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of other embodiment. It is a figure which shows typically the flow of the gas and liquid of the mixing apparatus for bathtubs concerning 6th Embodiment of this invention. It is explanatory drawing which shows the mixing tank 20 periphery in the process of mixing of 6th Embodiment. It is a fragmentary sectional view which shows the supply pipe | tube 150 for connecting to the pipe line 72 from a side surface.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Bath 20 Mixing tank 21 Air reservoir 22 Submersible pump 30 Circulation means 31 Circulation pump 40 Gas supply means 50 Liquid supply means 61 Heater 62 Flow sensor 71 Supply path 72 Pipe line 73 Inflow path 74 Outflow path 75 Pipe line 76 Pipe line 77 Pipe line 78 Pipe line 79 Pipe line 81 Open / close valve 82 Open / close valve 83 Open / close valve 84 Open / close valve 85 Open / close valve 86 Open / close valve 87 Open / close valve 88 Open / close valve 89 Open / close valve 91 Pipe line 92 Pipe line 93 Pipe line 101 Open / close valve 102 Open / close valve 103 On-off valve 104 On-off valve 105 On-off valve 110 Control unit 111 ROM
112 RAM
113 CPU
114 Interface 120 Bath Water Sensor 130 Mixing Tank Water Sensor 140 Counter 150 Supply Pipe 151 Hole

Claims (7)

A bathtub,
A mixing tank;
A liquid supply path for supplying liquid from the mixing tank to the bathtub;
A liquid recovery path for recovering liquid from the bathtub to the mixing increase;
A liquid supply unit that supplies liquid into a liquid circulation path from the mixing tank to the mixing tank via the supply path, the bathtub, and the recovery path;
A gas supply unit for supplying gas to the supply path or the mixing tank;
Circulating means for mixing liquid and gas in the mixing tank;
The mixing apparatus for bathtubs characterized by including. In the mixing apparatus for bathtubs of Claim 1,
The circulating means is
A circulation pump;
An inflow path for flowing liquid from the mixing tank into the circulation pump;
An outflow path for allowing liquid to flow out from the circulation pump to the mixing tank;
A tub mixing device. In the mixing apparatus for bathtubs of Claim 2,
The mixing apparatus for bathtubs which provided the heater in the said inflow path or the said outflow path. In the mixing apparatus for bathtubs in any one of Claim 1 thru | or 3,
The said liquid supply part is a mixing apparatus for bathtubs which supplies warm water to the said bathtub. In the mixing apparatus for bathtubs in any one of Claims 1 thru | or 4,
The mixing apparatus for bathtubs in which the gas stored in the gas storage section is carbon dioxide. In the mixing apparatus for bathtubs in any one of Claims 1 thru | or 5,
The circulating means is
The mixing apparatus for bathtubs provided with the submersible pump arrange | positioned inside the said mixing tank. In the mixing apparatus for bathtubs of Claim 6,
The submersible pump is a mixing device for bathtubs that mixes liquid and gas inside the mixing tank.

Images