JP4075738B2 - Oxygen-enriched water heater - Google Patents

Description

  The present invention relates to a hot water supply apparatus having a function of supplying oxygen into bath water in a bathtub using a reheating pipe of a water heater having a recirculation circuit.

  Conventionally, this type of oxygen supply device is equipped with a fine bubble generator or jet injection device, and supplies gas to a pipeline for circulating bath water such as a bubble bath or jet bath that circulates bath water through these devices. A supply unit is provided, and an oxygen enricher for supplying oxygen-enriched air to the supply unit is provided (see, for example, Patent Document 1).

FIG. 3 shows an oxygen supply device for a conventional bathtub described in Patent Document 1. As shown in FIG. In FIG. 4, 1 is a bathtub, 2 is a conduit, 3 is a supply section, 4 is a suction port, 5 is a discharge port, 7 is an oxygen enrichment device, and 8 is a pump.
JP-A-4-2347

  However, in the conventional configuration described above, in a bath apparatus equipped with a fine bubble generator and a jet spray device, an oxygen supply unit is provided in the middle of the bubble bath pipe or jet bath pipe, and oxygen-enriched air is supplied to the supply unit. In order to supply oxygen to the bathtub, it is necessary to install a fine bubble generator and jet injection device and have a dedicated bath system, and it cannot be easily installed at home. It was. In addition, since the jet bath system has a large flow rate, it has been difficult to use for a long time in relation to electricity bills, noise, and the like, and there has been a problem that sufficient oxygen cannot be supplied.

  The present invention solves the above-described conventional problems, and uses a recirculation circuit of a water heater with a reheating function installed in most households to remove a gas such as high-concentration oxygen from an oxygen enricher. By mixing it and ejecting it from the reheating adapter that discharges the recirculating circulating water installed in the bathtub, it can be installed at low cost without adding a special route, and the circulation flow rate is also small and it is long time. An object of the present invention is to provide an apparatus capable of supplying a gas such as oxygen.

In order to achieve the above object, an oxygen-enriched hot water supply apparatus of the present invention comprises a recirculation circuit for circulating hot water in a bathtub, and a recharge adapter that communicates with the recirculation circuit to form a bath water inlet and outlet. An oxygen enricher for supplying high concentration oxygen, a mixing means for pursuing high concentration oxygen from the oxygen enricher into a circulation circuit, a water level detection device for detecting a bath water level, and the oxygen A control means for controlling the enrichment device and an external input device for inputting an operation instruction, and when the oxygen input operation instruction is input by the external input device, when the water level detection device detects a predetermined bath water level, A high-concentration oxygen is mixed into the recirculation circuit, and the oxygen mixing operation is performed by ejecting from the recirculation adapter.When an instruction for automatic bath operation is input by the external input device, the bath water level is set. Seki Without the from of hot water filling operation by mixing a high concentration of oxygen in the reheating circulation circuit, the jetting water filling water mixed oxygen than that additional heating adapter.

  According to the above-described invention, a special path is used because high-concentration oxygen is mixed in the bath water of the recirculation circuit using the reheating apparatus, which is a standard function in the hot water supply apparatus for baths. It is only necessary to add an oxygen-enriching device without adding water, simplifying the configuration and easily mixing high-concentration oxygen into the bath water with a simple operation of pressing a switch on the external input device. It is possible to ensure the oxygen concentration in the bathroom at an appropriate value.

  As described above, according to the present invention, by simply pressing a switch on the external input device, a person taking a bath can use the hot water while sucking high-concentration oxygen, thereby promoting a warm bath effect or preventing a nap. it can. In addition, it can be expected that oxygen dissolves in the bath water to suppress generation of germs and reduce sliminess and odor. And if it is this structure, since it will fit in the casing of a water heater, an extra space is also unnecessary, and since it can also be produced at low cost, it can also be installed in a general home.

The invention according to claim 1 is a recirculation circuit that circulates hot water in a bathtub, a reheating adapter that communicates with the recirculation circuit and forms a suction port and a discharge port of bath water, and high-concentration oxygen. Oxygen enrichment apparatus to be supplied, mixing means for adding high-concentration oxygen from the oxygen enrichment apparatus to the circulation circuit, a water level detection apparatus for detecting a bath water level, and control for controlling the oxygen enrichment apparatus Means and an external input device for inputting an operation instruction. When an instruction for oxygen-mixing operation is input by the external input device, the water level detection device detects a predetermined bath water level and Concentrated oxygen is mixed and jetted from the reheating adapter to perform oxygen-mixing operation.When an instruction for automatic bath operation is input from an external input device, the hot water filling operation is started regardless of the bath water level. Memorial By mixing a high concentration of oxygen in the ring circuit, it is characterized in that the jetting water filling water mixed oxygen than that additional heating adapter.

  Then, just by pressing the switch of the external input device, the high concentration oxygen from the oxygen enrichment device is mixed into the hot water or water in the additional piping by the mixing means, and the hot water or water mixed with this oxygen is added to the bathtub. When ejected from the reheating adapter attached to the tub, high-concentration oxygen forms bubbles and passes through the bath water, and then fills the bathroom.

  As a result, the person taking a bath can use the hot water while sucking high-concentration oxygen, thereby promoting the warm bath effect and preventing a nap. In addition, it can be expected that oxygen dissolves in the bath water to suppress generation of germs and reduce sliminess and odor. And if it is this structure, since it will fit in the casing of a water heater, an extra space is unnecessary, and since it can produce at low cost, the installation to a general household is also possible.

Furthermore, oxygen operation is performed from when the hot water is filled in the bathtub, and high-concentration oxygen passes through the bathtub water as bubbles and then fills the bathroom. As a result, when the bather takes a bath, the bathroom is filled with high-concentration oxygen, and the bather can relax and take a bath with a refreshing effect.

According to the second aspect of the present invention, when an instruction for automatic bath operation is input from an external input device, high-concentration oxygen mixed in the additional circulation circuit is added after the completion of the predetermined hot water filling operation. It is characterized in that it is configured to perform oxygen operation to be ejected from the sooted adapter, and in order to continue the oxygen mixing operation even after hot water filling, high concentration oxygen passes through the bath water as bubbles, After that, the bathroom becomes full. As a result, when the bather takes a bath, the bathroom is filled with high-concentration oxygen, and the bather can relax and take a bath with a refreshing effect.

According to the third aspect of the present invention, when a reheating switch is operated by an external input device, high concentration oxygen is mixed in the recirculation circuit during a predetermined reheating operation, and is ejected from the reheating adapter. The feature is that the operation is mixed with oxygen, so that the bathing person can use the hot water while sucking high-concentration oxygen even while chasing, promoting the bathing effect and preventing a nap I can do it.

According to a fourth aspect of the present invention, when a reservation operation instruction is input from an external input device, a high concentration of oxygen is mixed in the recirculation circuit when the set reservation time is reached, and is ejected from the retreat adapter. Oxygen mixed operation is performed, and oxygen operation is performed from the reserved time, high concentration oxygen passes through the bath water as bubbles, and then fills the bathroom It becomes like this. As a result, when the bather takes a bath from the time of reservation to the later, the bathroom is filled with high-concentration oxygen, and the bather can relax and take a bath with a refreshing effect.

According to the fifth aspect of the present invention, when the oxygen operation switch is operated by the external input device, even if the water level detection device detects that there is no hot water in the bathtub, It is characterized in that it is configured to perform oxygen operation in which a concentration of oxygen is exhausted and ejected from the adapter. By performing oxygen operation in which high-concentration oxygen mixed in the circuit is ejected from the reheating adapter, the bath is filled with high-concentration oxygen when the bather is taking a shower. You can relax and take a shower with a refreshing effect.

  The invention according to claim 6 is provided with a means for canceling the oxygen mixing operation, and can be arbitrarily canceled when the oxygen mixing operation is not required, depending on the preference and use of the user. Bath operation can be selected, improving usability.

  FIG. 1 is an overall configuration diagram of an oxygen-enriched hot water supply apparatus according to an embodiment of the present invention.

  9 is a hot water supply device body, 10 is a burner that heats the heat exchanger 12, 11 is a burner fan that sends combustion air to the burner 12, 13 is an exhaust port for the combustion air, 14 is a hot water supply circuit, and water entering from the hot water supply inlet 15 Is heated by the heat exchanger 12, exits from the hot water supply outlet 16, and is discharged from the currant 17 or the like. 29 provided in the recirculation circuit 20 is a water level detecting means for detecting the water level of the bathtub, 18 is a bath pump, and the circulating water coming out of this is heated by the heat exchanger 12 through the pipe 19 and then mixed. 27 is mixed with oxygen-enriched air. Reference numeral 21 denotes a bathtub, and a reheating adapter 22 which is connected to the recirculation circuit 20 and forms a suction port and a discharge port of the bath water is disposed on the lower side wall. 23 is an oxygen-enriched membrane, 24 is a vacuum pump for depressurizing the air and passing the air between the oxygen-enriched membranes 23 to obtain high oxygen concentration air, and 25 is sending fresh air to the oxygen-enriched membrane 23 The oxygen enrichment device 26 is constituted by these 23, 24, and 25. Reference numeral 30 denotes a control unit of the oxygen-enriched hot water supply apparatus 9, and 31 denotes an external input device of the oxygen-enriched hot water supply apparatus 9.

  FIG. 2 shows an external input device 31 of the oxygen-enriched hot water supply device 9. 32 is an oxygen operation switch for instructing an oxygen-mixing operation, 33 is an automatic switch for instructing an automatic bath operation, 34 is a reheating switch for instructing a reheating operation, and 35 is a reservation switch for instructing a timer operation.

  The operation and action of the oxygen-enriched hot water supply apparatus configured as described above will be described below.

  First, when the oxygen operation switch 32 of the external input device 31 is pressed, when the water level detection device 29 detects a predetermined bath water level by the control means 30, an oxygen mixing operation is started, and the oxygen enrichment device 26 is started by the mixing means 27. The high-concentration oxygen from the water is mixed into hot water or water in the recirculation circuit 20, and when the hot water or water mixed with oxygen is ejected from the reheating adapter 22 attached to the bathtub 21, Oxygen becomes bubbles 28 and passes through the bath water, and then fills the bathroom.

  As a result, the person taking a bath can use the hot water while sucking high-concentration oxygen, thereby promoting the warm bath effect and preventing a nap. In addition, it can be expected that oxygen dissolves in the bath water to suppress generation of germs and reduce sliminess and odor.

  And if it is the said structure, since it becomes possible to store the oxygen enrichment apparatus 26 in the water heater casing 9, and an unnecessary space is also unnecessary, it can also create at low cost, Therefore Installation in a general home is also possible. Is possible.

  In addition, when the automatic switch 33 of the external input device 31 is input and the control means 30 fills the bathtub with hot water from the circulation circuit by the signal of the water level detection device 29, the high concentration mixed in the circulation circuit 20 is added. It is configured to perform an oxygen operation in which oxygen is replenished and ejected from the adapter 22, and the oxygen operation is performed when hot water is filled in the bathtub, and high-concentration oxygen passes through the bathtub water as bubbles. To fill in. As a result, when the bather takes a bath, the bathroom is filled with high-concentration oxygen, and the bather can relax and take a bath with a refreshing effect.

  In addition, the automatic switch 33 of the external input device 31 receives the input, and the control means 30 moves to the bathtub by the signal of the water level detection device 29 and performs the oxygen operation after the hot water filling from the circulation circuit 20 is completed. It passes through the bathtub water and then fills the bathroom. As a result, when the bather takes a bath, the bathroom is filled with high-concentration oxygen, and the bather can relax and take a bath with a refreshing effect.

  In addition, when receiving an input from the reheating switch 34 of the external input device 31, the control means 30 replenishes the bathtub with the recirculation circuit 20 and replenishes the hot water in the bathtub with the high concentration oxygen mixed in the recirculation circuit. It is configured to perform oxygen operation to be ejected from the reheating adapter 22, and a bathing person can use the hot water while sucking high concentration oxygen while pursuing, thereby promoting a warm bath effect and preventing dozing I can do it.

  In addition, when the reservation switch 35 of the external input device 31 is input and the control unit 30 reaches the reservation time, the oxygen operation in which the high concentration oxygen mixed in the recirculation circuit 20 is ejected from the retreat adapter 22 is performed. Therefore, oxygen operation is performed from the reserved time, and high-concentration oxygen becomes bubbles and passes through the bath water, and then fills the bathroom. As a result, when the bather takes a bath from the time of reservation to the later, the bathroom is filled with high-concentration oxygen, and the bather can relax and take a bath with a refreshing effect.

  Even when the control means 30 receives the input of the oxygen operation switch 32 of the external input device 31 and the water level detection device 29 detects that there is no hot water in the bathtub, the high concentration oxygen mixed in the additional circulation circuit is added. It is configured to perform oxygen operation to be ejected from the sooting adapter 22, and even if the bather takes a shower and enters the bathroom, even if there is no hot water in the bathtub, the high concentration mixed in the recirculation circuit 20 By performing the oxygen operation in which the oxygen is replenished and ejected from the adapter 22, when the bather is taking a shower, the bathroom is filled with high-concentration oxygen. Can be bathed.

  In addition, when the oxygen mixing operation is not required due to the preference of the bather, the oxygen mixing operation can be canceled by continuously pressing the oxygen switch 32 of the external input device 31 for a predetermined time.

  The releasing means is not limited to continuous pressing, and a configuration may be adopted in which a plurality of switches are pressed simultaneously, and a dedicated releasing switch is provided separately.

1 is an overall configuration diagram of an oxygen-enriched hot water supply apparatus according to an embodiment of the present invention. The figure which shows the external input device of the oxygen-enriched hot water supply device Overall configuration diagram of a conventional oxygen-enriched hot water supply system

Explanation of symbols

18 pump 20 recirculation circuit 21 bathtub 22 reheating adapter 26 oxygen enricher 27 mixing means 29 water level detection means 30 control means 31 external input device

Claims (6)

A recirculation circuit that circulates hot water in a bathtub, a reheating adapter that communicates with the recirculation circuit and forms a suction port and a discharge port of bath water, an oxygen enricher that supplies high-concentration oxygen, and Mixing means for pursuing high-concentration oxygen from the oxygen enrichment device and mixing it into the circulation circuit, a water level detection device for detecting the bath water level, a control means for controlling the oxygen enrichment device, and an external for inputting operation instructions An input device, and when the oxygen input operation instruction is input from the external input device, when the water level detecting device detects a predetermined bath water level, high concentration oxygen is mixed into the additional circulation circuit, and the additional level is detected. is ejected from firing adapter is configured to perform oxygen contamination operated, when said instruction bath automatic operation is input by the external input device, regardless of the tub water level, a high concentration in the reheating circulation circuit from being water filling operation Oxygen is mixed, the oxygen-enriched water heater for ejecting hot water filling water mixed oxygen than that additional heating adapter. When an instruction for automatic bath operation is input from an external input device, oxygen operation is performed in which high-concentration oxygen mixed in the recirculation circuit is ejected from the reheating adapter even after the predetermined hot water filling operation is completed. The oxygen-enriched hot water supply device according to claim 1, which is configured. When the reheating switch is operated by an external input device, a high concentration oxygen is mixed into the recirculation circuit during a predetermined reheating operation, and the oxygen mixing operation is performed by ejecting from the reheating adapter. The oxygen-enriched hot water supply device according to claim 1. When an instruction for reserved operation is input from an external input device, when the set reservation time is reached, high-concentration oxygen is mixed into the additional circulation circuit, and the mixed operation is performed by ejecting from the additional adapter. The oxygen-enriched hot water supply apparatus according to claim 1. When the oxygen operation switch is operated by an external input device, even if the water level detection device detects that there is no hot water in the bathtub, high-concentration oxygen mixed in the recirculation circuit is spouted from the recharge adapter. The oxygen-enriched hot water supply apparatus according to claim 1, wherein the oxygen-enriched hot water supply apparatus is configured to perform oxygen operation. The oxygen-enriched hot water supply apparatus according to any one of claims 1 to 5 , further comprising means for canceling the oxygen mixing operation.

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