JPH02309942A - Bubble generating bathtub - Google Patents

Abstract

PURPOSE:To vary a blow type without controlling an inverter and to reduce the electric shock accident affecting a person's life caused by a high frequency component by providing a flow rate variable value on a bath hot water forced feed passage. CONSTITUTION:A bath not water circulating passage D is constituted of a bath hot water suction pipe 10 for feeding bath hot water from a bubble generating bathtub A to a circulating pump P, and a bath hot water forced feed pipe 11 for feeding bath hot water from the circulating pump P to the bathtub A. On the bath hot water forced feed 11, a variable valve V provided in the middle thereof, and a pressure detecting sensor 12 for detecting the pressure of bath hot water brought to pressure feed into the pipe 11 are provided. In this state, a detecting signal from the same pressure detecting sensor 12 is sent to a control part C, and by controlling the driving of a valve driving device M1 of the flow rate variable valve V by the same control part C, the opening/closing quantity of the flow rate variable valve V is adjusted, and the blow-out pressure and the blow-out quantity of bath hot water blown out of each blow-out nozzle 2 are controlled. In such a way, the blow type can be varied without controlling an inverter, and the possibility of an electric shock accident affecting a person's life caused by a high frequency component can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a bubble-generating bathtub that is highly safe during bathing and allows inexpensive blow control.

(B) Conventional technology Conventionally, as one form of bathtub, there is a bubble-generating bathtub that is equipped with a bubble-generating device separate from the bathtub body, and the bubble-generating bathtub uses the bubble-generating device to generate bubbles in the bathtub. As a result, the air bubbles are configured to perform body massage, etc., and enhance the feeling of bathing.

That is, such a bubble-generating bathtub is provided with a spout on the side wall of the bathtub body, a VA ring pump that circulates the bath water via a circulation pump is connected to the spout, and a vacuum pump is connected to the spout in the vicinity of the spout. An air suction unit is installed that can mix air into the bath water using the ejector effect.

With this configuration, by operating the circulation pump, bath water can be spewed out from the spout on the side wall of the bathtub body, and at the time of spouting, air is sucked under negative pressure from the air suction part and poured into the bath water. By mixing air and ejecting air-mixed bath water from the spout, bubbles are generated in the bathtub and applied to the body of the bather, thereby increasing the pine surge effect.

In recent years, as described in Utility Model Application No. 63-100035, the ejection force of bath water can be changed periodically by controlling an electric motor used as a pump drive device for driving a circulation pump using an inverter. There are also proposals that can be made.

(c) Problems to be Solved by the Invention However, the above-mentioned bubble-generating bathtub still had the following drawbacks.

That is, in the above-mentioned bubble-generating bathtub, when impark control is performed on the N, vI motor in order to change the spouting amount and jetting pressure of bath water, the high frequency component generated during the switching operation of the switching element is used to control the bathtub and the circulation pump. If there is insufficient insulation from the bathtub, the leakage current will flow to the bathtub side, increasing the danger to the human body.

Furthermore, since inverters are still expensive, bubble-blocking bathtubs are also expensive.

An object of the present invention is to provide a bubble-generating bathtub that can solve the above problems.

(d) Means for Solving the Problems The present invention provides a bath water circulation flow path consisting of a bath water suction flow path and a bath water forced flow path between the bathtub body and the circulation pump, and An air intake part is connected to the hot water forced flow passage, and the air taken in by the air intake part is mixed into the bath water in the bath water forced flow passage, and air bubbles are mixed into the bathtub body from each jet nozzle. This invention relates to a bubble-generating bathtub capable of spouting bath water, characterized in that a variable flow rate valve is provided in a bath water forced flow path.

In addition, the present invention has a configuration in which a single variable flow rate valve is provided in the forced bath water flow path, and a forced bath water flow path is configured with a plurality of parallel divided forced bath water flow paths, and each minute υ1 bath. It is also characterized by a configuration in which a variable flow rate valve is provided in each of the forced hot water flow channels, and a configuration in which the cross-sectional area of each divided bath hot water forced flow channel is made different.

(E) Functions and Effects In the present invention, a variable flow rate pulp such as a ball valve is provided in the forced bath water flow path of the bath water circulation flow path, and the amount of opening and closing of the valve can be adjusted by simply operating the valve. The amount and pressure of the bath water can be easily changed, allowing bathers to enjoy various types of blowing.

Since the variable flow rate pulp can be driven and controlled by an inexpensive electric motor and control means, an expensive impark can be eliminated, and the bubble generating bathtub can be manufactured at low cost.

Furthermore, it is possible to change the blow mode without performing inverter control, and the possibility of life-threatening electric shock accidents caused by high frequency components can be reduced as much as possible.

In addition, the forced bath water flow path is composed of a plurality of parallel divided bath water bullet flow paths, and each divided bath water forced flow path is provided with a flow can variable pulp, and furthermore, each divided bath If the cross-sectional areas of the forced hot water flow channels are different, the number of actuations of the variable flow rate valves provided in each divided forced hot water flow channel can be arbitrarily selected to further adjust the amount and pressure of the bath water. can be varied over a wide range, allowing bathers to enjoy a greater variety of blowout forms.

(F) Example Hereinafter, the bubble-generating bathtub A according to the present invention will be specifically explained with reference to the example shown in the attached drawings.

FIGS. 1 and 2 show the overall structure of a bubble-generating bath [A]. The bubble-generating bath A has a box-shaped bathtub body 1 with an opening on the top, and has two walls on the front and rear walls and on the left and right side walls, respectively, on the foot side. A jet nozzle 2°, a back jet nozzle 3, and an Iti side jet nozzle 4 are provided.

The bathtub body 1 has a flange-shaped edge 1 having a constant width on the periphery.
a, and an air intake portion 5 is provided on the same edge portion 1a.

Further, the air intake portion 5 is provided with an air bubble amount adjustment valve Va and a bubble amount adjustment valve element driving motor M2 that drives the air bubble amount adjustment valve Va.

In addition, the bubble generating bathtub A is provided with a pump protection case 9 on the outer periphery of the bathtub body 1, and inside the case 9 is a circulation pump P that circulates the bath water in the bathtub body 1. A filter R that filters bath water circulated by the circulation pump P, a pump drive device M that drives the pump P, the pump drive device M, a valve drive device stand 1 to be described later, and a valve body for adjusting the amount of air bubbles. A control section C that controls the driving of the driving motor M2 and the driving device of the electric three-way valve Q is provided.

In addition, 吋 is a (venue pipe) for discarding a portion of the bath water during backwashing.

A bath water circulation flow path is interposed between the bathtub body 1 and the circulation pump P described above.

That is, the bath water Wi circulation path includes a bath water suction pipe (bath water suction flow path) 10 for sending bath water from the bubble generating bathtub A to the Va ring pump P, and a bath water suction pipe (bath water suction flow path) 10 for sending bath water from the bubble generating bathtub A to the Va ring pump P, and from the same circulation pump P to the same bathtub A. It is composed of a bath water bullet delivery pipe (bathtub bullet delivery flow path) 11 for sending bath water.

The bath water suction pipe 1o has one end opened at the bottom of the bathtub body 1 to form a suction port 22, and the wi ring pump P
The other end is connected to the water supply port of the pump P, so that bath water is sucked into the circulation pump P.

On the other hand, the bath water bullet feed pipe 11 has one end connected to the circulation pump P.
The other end is connected to the spout nozzle 2°3.4 on the foot side, ventral side, and dorsal side, respectively.

In addition, the bath water bullet conveying vibrator 11 is provided with a variable flow rate valve (■) as shown in FIGS. 3 and 4 in the middle.
The variable flow rate valve (2) is driven by a valve driving device Ml consisting of an electric variable motor or the like, and can change the spouting amount and jetting pressure of bath water.

Various types of variable flow valves can be used as the variable flow valve (2), examples of which are shown in the fifth panel.

As shown in the figure, the variable flow valve ■ is formed from a ball valve, and the variable flow valve ■ has a structure in which a spherical valve body C with a through hole is rotatably disposed in a spherical casing a. Therefore, it can be manufactured at low cost and can be easily operated and controlled.

Furthermore, as shown in FIG. 3, a pressure detection sensor 12 is installed in the middle of the bath water pumping pipe 11 to detect the pressure of the bath water being pumped into the pipe 11.

Then, the detection signal from the pressure detection sensor 12 is sent to the control section C, which will be described later, and the control section C controls the drive of the valve drive device M of the variable flow rate valve (■), thereby controlling the opening/closing amount of the variable flow rate valve (■). is adjusted to control the ejection pressure and amount of bath water ejected from each ejection nozzle 2, 3.4 f11.

Further, the pressure detection sensor 12 can also be used as a water level sensor for detecting the amount of bath water in the bathtub body 1.

Further, as shown in FIG. 3, an intake pipe 5a from an air intake section 5 is connected to the jet nozzles 2, 3.4.

Then, using the ejector effect by the ejector pressure generated by operating the circulation pump P, air is mixed into the bath water through the intake pipe 5a, and the bath water mixed with air bubbles is ejected from the jet nozzles 2, 3.4. You can squirt more.

Next, the configuration of the control section C for controlling the pump drive device M and the valve drive devices Vf and M1 of the variable flow rate valve (2) will be explained.

The control unit C includes a microprocessor M as shown in FIG.
Ptl and input/output interface 13.14 ToRO
It consists of a memo 5 consisting of M and RAM, and a timer 16.

In the above configuration, the input interface 13
These include a detection sensor 6 for use in detecting an abnormality in the circulation pump P, a valve reference position detection sensor 17 for detecting the opening/closing amount of the variable flow valve (2), and a valve reference position detection sensor 18 for detecting the opening/closing amount of the bubble volume control valve. , a pressure detection sensor 12 that detects the water pressure of the bathtub body 11, a bathwater temperature detection sensor T that detects the temperature of the bathwater in the bathtub body 1, and an operation unit that receives an infrared driving signal from the remote controller 20. A dual-purpose light receiving section 21 is connected.

Note that in this embodiment, the light receiving section 21 is connected to the air intake section 5.
is placed above. An infrared receiving sensor 30b is connected to receive the fitting information.

-4. The output interface 14 is connected to a pump drive device M, a pulp drive device M1 for driving the variable flow rate valve (2), a motor M2 for driving a valve body for adjusting the amount of air bubbles, and an electric three-way valve Q.

The memory 15 also stores the above-mentioned pump drive unit ZM, the pulp drive unit H1 for variable flow rate pulp (■), and the bubble volume adjustment valve based on the output signals from the above-mentioned sensors and the drive signal from the remote controller 20. Body drive motor h
A drive sequence program for driving the drive units of the electric three-way valve Q and the electric three-way valve Q is stored.

In addition, the above-mentioned bubble generating bathtub A has a jet nozzle of 2° 3.4°.
The structure is substantially the same as that of the bubble generating bathtub disclosed in Japanese Patent Application No. 63-331772, except for the structure of .

As described above, the present invention provides a pulp drive device Ml controlled by the control device C in the middle of the hot water bullet conveying pipe 11.
It is characterized by a configuration in which a variable flow rate valve (2) is driven by a variable flow rate valve.

By simply activating the variable flow rate pulp V and adjusting its opening/closing amount, the amount and pressure of the bath water spouted from the spout nozzle 2.3.4 into the bathtub body l can be adjusted to the container. It can be changed arbitrarily, and the bather can enjoy various blowout forms.

Therefore, the drive and control of the 21Rffi variable valve
Since n can be performed by an inexpensive pulp drive device M1 and control means, an expensive inverter required to control the circulation pump P can be omitted, and the bubble generating bathtub A can be manufactured at low cost. can.

Furthermore, it is possible to change the blow mode without performing inverter control, and the possibility of life-threatening electric shock accidents caused by high frequency components can be reduced as much as possible.

Further, FIGS. 6 to 8 show other embodiments of the bubble-generating bathtub A according to the present invention.

That is, in FIG. 6, the bath water forced flow channel 11 is divided into a plurality of parallel divided bath water forced flow channels 11a, llb, llc',
Each divided bath water forced flow channel 11a, l
lb, llc, and lid are each provided with a variable flow rate valve V driven by a valve drive unit fill.

Furthermore, FIG. 7 is a modification of the embodiment shown in FIG. 6,
It is characterized by a structure in which the cross-sectional areas of the divided bath water forced flow channels lie, llf, and l1g are different from each other.

With this configuration, each divided bath water forced flow path 11e.

By arbitrarily selecting the number of actuations of the variable flow rate valve V installed on the IH, l1g, the amount and pressure of the bath water can be changed over a wide range, allowing bathers to enjoy greater variety. Various blow type B (for example, patent application 1986-3)
Mild blow, shiatsu blow described in No. 31772,
You can enjoy pine surge blow, etc.).

Further, in FIG. 7, if the image is expanded in binary numbers, a wide range of resolution can be obtained.

Furthermore, as shown in the 8th episode, the foot side nozzle 2, the dorsal side nozzle 3, and the ventral side nozzle 4 each have independent bullet feeding channels 11h.
, 11i, and 11j are directly connected, it is further possible to change the jet flow and jet pressure for each jet nozzle.

Furthermore, in the present invention, a constant displacement pump can be used as the circulation pump P, but if it is decided to change the rotation speed of the wJ ring pump P like a variable displacement pump, the variable flow rate valve ■ In cooperation with this, it is possible to finely adjust the amount and pressure of the bath water over a larger range.

In the present invention, various types of drive devices and pump drive devices M for the variable flow rate valve (1) can be used, and for example, electric motors, air motors, hydraulic motors, internal combustion engines, etc. can be used.

[Brief explanation of drawings]

Fig. 1 is a perspective view of the bubble-generating bathtub of the present invention, Fig. 2 is a plan view of the same bathtub, Fig. 3 is a block diagram of the piping system and control system of the bubble-generating bathtub, and Fig. 4 is an enlarged explanatory view of the main parts. , FIG. 5 is an explanatory diagram of a specific configuration of the variable flow rate valve, and FIGS. 6 to 8 are enlarged explanatory diagrams of main parts according to other embodiments. (A): Bubble-generating bathtub (D): Bathwater circulation flow path (gate 1)
: Valve drive device (V): Variable flow rate pulp (P) dual circulation pump

Claims (1)

[Claims] 1. A bath water circulation flow path consisting of a bath water suction flow path and a bath water forced flow path is interposed between the bathtub body and the circulation pump, and the bath water forced flow flow path is The air intake parts are connected in communication, and the air taken in by the air intake parts is mixed into the bath water in the bath water forced flow path, so that the bath water mixed with air bubbles can be spouted from each jet nozzle into the bathtub body. A bubble-generating bathtub characterized in that a variable flow rate valve is provided in a bath water forced flow path. 2. The bubble-generating bathtub according to claim 1, wherein a single variable flow rate valve is provided in the bath water forced flow channel. 3. Claim 1, characterized in that the bath water forced flow passage is constituted by a plurality of parallel divided bath water forced flow passages, and each divided bath water forced flow passage is provided with a variable flow rate valve, respectively. The bubble-generating bathtub described. 4. The bubble-generating bathtub according to claim 3, wherein the cross-sectional areas of the divided bath water forced flow passages are different from each other.