JP3087423B2 - Bubble bath equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bubble bath apparatus for generating air bubbles in a bathtub by circulating water with a pump.

[0002]

2. Description of the Related Art A conventional bubble bath apparatus is shown in FIG. That is, the hot water from the bathtub 1 is sucked by the water pump 2, and is spouted from the channel outlet 3 into the bathtub 1. At this time, the amount of blown air is adjusted by the air suction mechanism 4. As a result, a bubble water stream is ejected from the flow path outlet 3. On the other hand, in order to raise the temperature of the hot water inside the bathtub, the hot water is heated by the gas burner 6 by flowing the heating flow path 5 (for example, Japanese Utility Model Publication No. 2-12522).

[0003]

However, in the above-mentioned conventional structure, the bubble water flow ejected from the flow path outlet 3 is 3 to 5 times.
There was a problem that there was no variable function of the bubble diameter with only bubbles of about mm. In addition, since there is only one kind of air bubbles, there was a little unsatisfactory in commercial properties.

An object of the present invention is to provide a bubble bath apparatus having the function of generating bubbles of about 3 to 5 mm and fine bubbles of about several tens of microns from one jet nozzle. It is.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a bath, a bubble jet device provided in the bath, having a water flow depressurizing device and a bubble water jet device, and a pipe connected to the bubble water jet device. Air pipe for air suction, a circulating pump for circulating the water in the bath, an outgoing pipe provided from the circulating pump to the bubbled water jetting means via a bath heat exchanger, A return pipe that connects a suction side, an ejector provided in a bypass path that bypasses a going pipe and a return pipe of the circulating pump, and an ejector that is provided on a suction side of the circulating pump and adjusts a suction direction to the circulating pump. Switching means for switching to the side or the return pipe side, a suction pipe piped to the ejector from an upstream side of the first switching means, and connected to the ejector. Air introduction means, a feed pipe provided from the discharge side of the circulation pump to the water flow decompression means, and a flow pipe provided on the discharge side of the circulation pump for switching the flow from the circulation pump to the going pipe or the bypass path. When the second switching means is switched to the forward pipe side, the flow from the circulation pump flows to the forward pipe and the feed pipe, and the second switching means is switched to the bypass path side. And the flow from the circulation pump is caused to flow through the bypass and the feed pipe.

[0006]

According to the present invention, air is sucked from the air suction air pipe by jetting a water stream from the bubble water jetting means by the circulation pump, and bubbles of about 3 to 5 mm are jetted from the bubble jetting device. be able to. Further, the liquid in which the air is dissolved under pressure by an ejector is sent to a water flow decompression means through a feed pipe, and the pressure is reduced to several tens μm.
A small amount of fine bubbles can be ejected.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the accompanying drawings. 1 and 2, reference numeral 7 denotes a water tank, and the water tank 7 has a water jet nozzle 8 serving as a water jet.
And air bubble jet means 10 constituted by an air pipe 9 serving as an air pipe for air suction. Numeral 11 denotes a water flow decompressing means for decompressing the liquid in which the air is pressurized and dissolved. The water flow depressurizing means 11 urges a valve seat 13 provided with a slit 12 through a diaphragm 15 by a spring 14. The valve body 16 is formed.
On the other hand, a circulation pump 18 is provided in the heat source unit 17. The circulation pump 18 is provided with a bypass 20 having an ejector 19. Reference numeral 21 denotes a motor-operated valve of first switching means for switching the suction direction to the circulation pump 18 to the ejector 19 side and the return pipe 22. Electric valve 21
A suction pipe 24 having a solenoid valve 23 is provided from the upstream side to the ejector 19. Also, to the ejector 19,
An electromagnetic valve 25 as an air introducing means and an air pipe 26 are provided. The discharge side of the circulation pump 18
The motor-operated valve 28, which is the second switching means for switching the flow from the feed pipe to the going pipe 27 and the bypass path 20,
Is provided on the downstream side. The feed pipe 29 is connected to the valve seat 13. A check valve 30 is provided at the end of the air pipe 9.
The solenoid valve 31 is provided via the. 32 is a heat exchanger, and 33 is a burner. Reference numeral 34 denotes fine bubbles, and reference numeral 35 denotes large bubbles. 36 is an arrow indicating a flow. 37 is a thermistor for detecting the water temperature of the return pipe 22.

Next, the operation of the present invention will be described with reference to FIGS. When fine bubbles are generated, as shown in FIG. 1, the valve body 16 and the valve seat 13 of the water flow decompression means 11 are in a closed state, and only the slit 12 constitutes a flow path. The motor-operated valve 21 closes the return pipe 22, and the motor-operated valve 28 closes the going pipe 27 on the heat exchanger 32 side. In such a state, the circulation pump 18
Is operated, the water discharged from the circulation pump 18 is supplied to the feed pipe 29.
And flows to the bypass path 20 side. At this time, due to the suction action of the ejector 20, the water in the return pipe 22 is sucked into the ejector 20 via the suction pipe 24 and the solenoid valve 23 in the closed state, and the air is sucked through the solenoid valve 25. When the water is sucked in this way, the circulation pump 1
8, the pressure on the discharge side of the circulating pump 18 also increases, and high-pressure water in which air is dissolved is sent from the circulating pump 18 to the water flow reducing means 11 through the feed pipe 27. Can be The water sent to the water flow decompression means 11 is
The pressure is rapidly reduced by being ejected from the slit 12. As a result, the air dissolved at the time of high pressure becomes fine bubbles and is ejected to the water tank 7.

Next, the operation when a large bubble is generated will be described. When a large bubble is generated, the electric valve 21 closes the bypass 24, and the electric valve 38 also closes the bypass 24. The solenoid valve 25 is in a closed state. When the circulation pump 18 is operated in such a state, the water discharged from the circulation pump 18 is sent to the bubble water jetting means 10 via the heat exchanger 32. The sent water is jetted from the water jet nozzle 8 to the water tank 7. At this time, the pressure on the upstream side of the water ejection nozzle 8 increases due to the restriction of the water ejection nozzle 8. As a result, the force for lifting the diaphragm 15 upward increases, and the valve element 16 separates from the valve seat 13. When the water is jetted from the water jet nozzle 8 in such a state in conjunction with this operation, air is sucked from the air pipe 9 by the negative pressure at the time of jetting. The jet from the water jet nozzle 8 shears this air and jets it into the water tank 7 as bubbles of about 3 to 5 mm. The air suction path at this time is the electromagnetic valve 31, the check valve 30, and the air pipe 9. In this operation, the water discharged from the circulation pump 18 is supplied via the outflow pipe 27 and the feed pipe 29 to the bubble water jetting means 10.
Flows to

Next, the reheating operation and the anti-freezing operation will be described. In the bubble bath apparatus of the present invention, a reheating operation for raising the temperature of the bathtub 7 when the temperature of the bathtub 7 drops and preventing freezing in the bathtub 7 and each pipe when the outside temperature decreases. It is indispensable to perform anti-freezing operation. The water circuit configuration at the time of the reheating operation and the antifreeze operation operation is the circuit of FIG. (However, the solenoid valve 31 is closed and large bubbles 35 do not appear.) During the reheating operation, the circulating pump 18 operates and the burner 33 burns, so that the temperature of the hot water in the bathtub 7 rises. The hot water temperature at this time is detected by the thermistor 37, and the combustion stops when the hot water temperature exceeds a set value. During this reheating operation, water discharged from the circulation pump 18 flows through the going pipe 27 and the feed pipe 29. On the other hand, when the thermistor 37 provided at a position susceptible to the outside air temperature reaches the set temperature or lower during the antifreeze operation, the circulation pump 18 operates to circulate the water in the bathtub 7. Circulation pump 1 when the thermistor exceeds the set value
8 stops. At this time as well, the water discharged from the circulation pump 18 flows through the going pipe 27 and the feed pipe 29.

[0011]

As described above, the bubble bath apparatus of the present invention comprises a bubble jet apparatus provided in a bath and having a water flow depressurizing means and a bubble water jet means, and air suction air piped to the bubble water jet means. A pipe, a circulating pump for circulating the water in the bath, an outgoing pipe provided from the circulating pump to the bubble water jetting means via a bath heat exchanger, and connecting a suction side of the bath and the circulating pump. A return pipe, an ejector provided in a bypass of the outgoing pipe and the return pipe of the circulating pump, and a suction direction provided to the suction side of the circulating pump for switching the suction direction to the circulating pump to the ejector side or the return pipe side. First switching means, a suction pipe piped to the ejector from an upstream side of the first switching means, and an air introduction means connected to the ejector,
A feed pipe provided from the discharge side of the circulation pump to the water flow decompression means, and a second switching means provided on the discharge side of the circulation pump and switching a flow from the circulation pump to the going pipe or the bypass path; When the second switching means is switched to the forward pipe side, the flow from the circulating pump flows to the forward pipe and the feed pipe, and when the second switching means is switched to the bypass path side, By using a configuration in which the flow from the circulation pump flows through the bypass path and the feed pipe, a bubble bath apparatus having a function of generating large bubbles and fine bubbles from one jet nozzle can be realized.

[0012] In addition, during the antifreezing operation or reheating, the water flows through the pipe connecting the bathtub and the heat source unit, so that there is no fear of freezing, and there is no water stagnation in the pipe, and scale and scale adhere. As a result, no clogging of the water flow depressurizing means occurs, so that high reliability as the device can be obtained.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram of a bubble bath apparatus according to an embodiment of the present invention when fine bubbles are generated.

FIG. 2 is a system configuration diagram of the apparatus when a large bubble is generated.

FIG. 3 is a system configuration diagram of a conventional bubble bath apparatus.

[Explanation of symbols]

 Reference Signs List 7 bath (water tank) 9 air suction air pipe 10 bubble water flow jetting means 11 water flow pressure reducing means 18 circulation pump 19 ejector 20 bypass passage 21 first switching means (electrically operated valve) 22 return pipe 24 suction pipe 25 air introduction means 27 going Pipe 28 second switching means (motorized valve) 29 feed pipe

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A61H 23/00

Claims (1)

(57) [Claims] 1. A bath, a bubble jetting device provided in the bath and having a water flow depressurizing means and a bubble water jetting means, an air pipe for air suction piped to the bubble water jetting means,
A circulating pump that circulates the bath water, an outgoing pipe provided from the circulating pump to the bubbled water jetting means via a bath heat exchanger, and a return pipe that connects the suction side of the bath and the circulating pump. An ejector provided in a bypass which bypasses an outgoing pipe and a return pipe of the circulating pump, and a suction direction provided to a suction side of the circulating pump for the circulating pump is switched to the ejector side or the return pipe side. A first switching unit, a suction pipe piped to the ejector from an upstream side of the first switching unit, an air introduction unit connected to the ejector, and a discharge side of the circulation pump to the water flow decompression unit. A second feed means provided on the discharge side of the circulation pump for switching a flow from the circulation pump to the outgoing pipe or the bypass path; When the second switching means is switched to the forward pipe side, the flow from the circulation pump flows to the forward pipe and the feed pipe, and when the second switching means is switched to the bypass path side, the circulation is performed. A bubble bath device comprising a flow from a pump flowing through the bypass path and the feed pipe.