JP2970120B2 - 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 having a function of generating air bubbles in a bathtub by circulating water by a pump.

[0002]

2. Description of the Related Art FIG. 7 shows a conventional bubble bath apparatus. 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 in the bathtub, the hot water is heated by the gas burner 6 by flowing through 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 function of changing the bubble diameter with only bubbles of 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 solve the above-mentioned problems, and an object of the present invention is to provide a bubble bath apparatus having a function of generating bubbles of 3 to 5 mm and fine bubbles of several tens of microns from one jet nozzle. .

Another object of the present invention is to shorten the time from the start of the operation of generating fine bubbles to the generation of fine bubbles during the operation of generating fine bubbles.

[0006]

SUMMARY OF THE INVENTION In order to achieve the first object, the present invention provides a bath, a bubble jet device provided in the bath, having a water flow depressurizing device and a water jet device, and circulating water in the bath. A circulating pump, a bath heat exchanger provided in an outgoing pipe of water flowing from the circulating pump to the bubble blowing device, a burner for heating the bath heat exchanger, the bubble blowing device and the circulating pump. A return pipe to be connected, a bypass path communicating the suction side and the discharge side of the circulating pump, an ejector provided in the bypass path, and water provided on the suction side of the circulating pump and sucked into the circulating pump. Switching means for switching connection so that the supply destination is the ejector side or the return pipe side; a suction pipe piped to the ejector from an upstream side of the switching means; and a suction pipe. It is obtained by a connection air introduction means.

Further, in order to achieve the second object, the present invention provides a bypass passage for a bath heat exchanger, and switches the bypass passage when the supply destination of water sucked into the circulation pump is switched to the ejector side. It is designed to be opened.

[0008]

According to the present invention, the supply destination of the water sucked into the circulation pump is switched to the ejector side by the above-described structure, and the water in the bath is sucked from the suction pipe by the suction pressurizing action of the ejector, and the air is introduced from the air introducing means. By suctioning air, high-pressure water in which air is dissolved is supplied to the discharge side of the circulation pump, and fine bubbles are generated by depressurizing the high-pressure water by a water flow decompression means provided in the bath. Further, by switching the supply destination of the water sucked into the circulation pump to the return pipe side, the water in the bath is sent to the water jetting means at a large flow rate by the circulation pump, and the water is discharged from the water jetting means.
Sprayed into the bath as bubbles of ~ 5mm.

Further, according to the present invention, when the supply destination of the water sucked into the circulating pump is switched to the ejector side, the water pumped from the circulating pump flows through the bypass passage by opening the bypass passage, so that the water is supplied in a short time. Reach bath and generate fine air bubbles.

[0010]

An embodiment of the present invention will be described below with reference to the accompanying drawings. 1 to 4, reference numeral 7 denotes a bath heat exchanger. The bath heat exchanger 7 and the bubble jetting device 11 having the water flow decompressing means 9 and the water jetting means 10 provided in the bath 8 are connected to each other. A pipe 12 and a return pipe 13 are provided. The water flow decompressing means 9 includes a valve seat 16 having a groove 15 provided in the ejection nozzle 14 as a flow path, and a valve element 18 that opens and closes the valve seat 16 with a motor 17. The water jetting means 10 includes a jet nozzle 14 and an air pipe 19. The return pipe 13 is provided with a circulation pump 20. The circulation pump 20 is provided with a bypass 22 having an ejector 21. 23 indicates the direction of suction to the circulation pump
It is a motor-operated valve of the switching means for switching between the side and the return pipe side 13. A suction pipe 25 having a check valve 24 is provided from the upstream side of the electric valve 23 to the ejector 21. Air ejecting means 2 having a solenoid valve 26 is provided to the ejector 21.
7 are provided. 28 is a burner. 29 is an electromagnetic valve, which is an air hose 30 connected to the air pipe 19.
Control the amount of air supply to the system. Reference numeral 31 denotes a hot water supply heat exchanger. Hot water discharged from the hot water supply heat exchanger 31 is supplied from the hot water supply 32 through the hot water supply pipe 34 via the solenoid valve 33 to the outflow pipe 12. 35 is a controller, 36 is a water heater, 37 is fine bubbles, and 38 is large bubbles.

Next, the operation will be described with reference to FIGS.
When fine bubbles are generated, the valve element 18 and the valve seat 16 of the bubble jetting device 11 are in a closed state, and only the groove 15 forms a flow path. The motor-operated valve 23 closes the return pipe 13. When the circulation pump 20 is operated in such a state, the circulation pump 20
The water that has flowed out flows to the side of the bath heat exchanger 7 and to the side of the bypass passage 22. At this time, due to the suction action of the ejector 21, the water in the return pipe 13 is sucked into the ejector 21 through the suction pipe 25, and the air is sucked through the electromagnetic valve 26. When the water is sucked in this way, the pressure on the suction side of the circulation pump 20 increases, and the circulation pump 20
The pressure on the discharge side also increases, and high-pressure water in which air is dissolved is sent from the circulation pump 20 to the bubble jet device 11. The water sent to the bubble blowing device 11 is rapidly reduced in pressure by being blown out from the groove 15. As a result, the air dissolved at the time of high pressure becomes fine bubbles and is ejected to the bath. When a large bubble is generated, the valve element 18 and the valve seat 16 of the bubble jetting device 11 are in an open state. The motor-operated valve 23 is connected to the bypass passage 22
Is closed. When the circulation pump 20 is operated in such a state, the water discharged from the circulation pump 20 is sent to the bubble ejection device 11 via the bath heat exchanger 7. The sent water is spouted from the spout nozzle 14 to the bath. At this time, air is sucked from the air pipe 19 by the negative pressure at the time of ejection. The jet of the jet nozzle 14 shears this air, and 3 to 5 mm
Are ejected to the bath 8 as air bubbles.

Next, another embodiment will be described with reference to FIGS. 39 is a bypass passage of the bath heat exchanger 7,
Reference numeral 40 denotes a motor-operated valve for switching a flow path. Other configurations are shown in FIG.
4 to FIG. 4 and the description is omitted.

Next, the operation will be described with reference to FIGS.
When fine bubbles are generated, the electric valve 40 is switched to flow to the bypass passage 39. When the circulation pump 20 is operated in such a state, the water dissolved from the air discharged from the circulation pump 20 is sent to the bubble jet device 11 through the bypass passage 39. Other actions of microbubble generation are
The operation is the same as that of the above-described embodiment, and the description is omitted. Also, when a large bubble is generated, the electric valve 40 switches,
The water discharged from the circulation pump 20 is jetted from the water jetting means 10 to the bath 8 through the bath heat exchanger 7. The operation at this time is the same as the operation of the above-described embodiment, and the description is omitted.

[0014]

As described above, the bubble bath apparatus of the present invention comprises a bath, a bubble jetting device provided in the bath and having a water flow reducing means and a water jetting means, a circulation pump for circulating water in the bath, A bath heat exchanger provided on the outgoing pipe from the circulation pump to the bubble jetting device, a burner for heating the bath heat exchanger, a return tube connecting the bubble jetting device to the circulation pump, and a bypass for the circulation pump A switching means provided on the suction side of the circulation pump, for switching the suction direction to the circulation pump between the ejector side and the return pipe side, and a suction pipe piped from the upstream side of the switching means to the ejector, By configuring with the air introduction means connected to the suction pipe, 3 to 3
It is possible to realize a bubble bath apparatus having a function of generating bubbles of 5 mm and fine bubbles of several tens of microns.

Further, by providing a bypass for the bath heat exchanger and opening the bypass when the suction direction to the circulation pump is switched to the ejector side,
Since high-pressure water is sent by bypassing the bath heat exchanger, the time from the start of the fine bubble generation operation to the generation of the fine bubbles can be shortened and the usability is improved.

[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 cross-sectional view of a main part of the apparatus when fine bubbles are generated.

FIG. 3 is a system configuration diagram of the apparatus when a large bubble is generated.

FIG. 4 is a cross-sectional view of a main part of the apparatus when a large bubble is generated.

FIG. 5 is a system configuration diagram of a bubble bath apparatus according to another embodiment of the present invention when fine bubbles are generated.

FIG. 6 is a system configuration diagram of the apparatus when a large bubble is generated.

FIG. 7 is a system configuration diagram of a conventional bubble bath apparatus.

[Explanation of symbols]

 7 Bath heat exchanger 8 Bath 9 Water flow decompression means 10 Water flow ejection means 11 Bubble ejection device 13 Return pipe 20 Circulation pump 21 Ejector 22 Bypass path 23 Switching means 25 Suction pipe 26 Air introduction means 28 Burner 39 Bypass path

Claims (2)

(57) [Claims] 1. A bath, a bubble jet device provided in the bath having a water flow decompressing means and a water jet device, a circulation pump for circulating water in the bath, and water flowing from the circulation pump to the bubble jet device. A bath heat exchanger provided in the outgoing pipe, a burner for heating the bath heat exchanger, a return pipe connecting the bubble ejection device and a circulation pump, and a suction side and a discharge side of the circulation pump. A bypass path
An ejector provided in the bypass passage, and switching means provided on the suction side of the circulating pump for switching connection so that a supply destination of water sucked into the circulating pump is on the ejector side or the return pipe side. A suction pipe piped to the ejector from an upstream side of the switching means,
A bubble bath apparatus comprising: an air introduction unit connected to the suction pipe. 2. The bubble bath apparatus according to claim 1, wherein a bypass passage for the bath heat exchanger is provided, and the bypass passage is opened when the supply destination of the water sucked into the circulation pump is switched to the ejector side.