JPH0812018B2 - Bath equipment with bathtub cleaning function - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath apparatus having a bathtub cleaning function, so that dirt adhering to the inner wall of the bathtub can be positively removed, whereby a dust removing tool such as a scoop net is used. The cleaning effect can be improved as compared with the case.

[0002]

2. Description of the Related Art Bubble baths have become widespread in which a large number of air bubbles are jetted into a bathtub to improve the blood circulation of the body and thereby contribute to the health promotion of bathers. This is the structure as shown in Fig. 4, and the water filling valve (31) and the water level gauge (32) are arranged in this order from the upstream side in the water filling circuit (3) connecting the water heater (1) to the bathtub (2). An air supply device (33) for ejecting a large number of bubbles into the bathtub (2) is connected to the hot water filling circuit (3). Also, the above water filling valve (3
The operation of 1), the air supply device (33), etc. is controlled by the control device (5).

A water filling switch (50) installed on the wall surface of the bathroom
Is turned on, the water filling valve (31) opens and the gas burner (5
2) burns and starts filling water into the bathtub (2)
When the inside of (2) reaches the target water level, this indicates
The water filling operation is stopped by the signal of (32). Further, when the bubble bath switch (51) is turned on, the air supply device (33) is driven to supply a large number of bubbles to the bathtub (2) and the bubble bath state is established.

[0004] With this product, when bathing, especially in a bubble bath, the amount of dirt and the like removed from the skin by the air bubbles that stimulate the skin increases, and the quantity of dirt and hair floating in the bathing water increases. To do. Therefore, various dust removal tools for scooping dirt such as dirt and hair floating in the bathtub have been proposed. With this, dirt such as dirt floating in the bath water can be removed to some extent, but it adheres to the wall surface of the bathtub. There was a problem that the dirt could not be removed and the cleaning effect in the bathtub was insufficient.

[Invention of Claim 1] The invention of Claim 1 is made in view of the above-mentioned point, and a "water filling circuit (3) connecting from the water heater (1) to the bathtub (2)" , An air supply device (33) for supplying a large number of bubbles to the bathtub (2), and a bath device equipped with a water level gauge (32) for detecting the water level in the bathtub (2)
It is an object of the present invention to provide a cleaning function in the bath device itself so as to eliminate the need for an independent dust removing tool and to improve the cleaning effect in the bathtub (2).

[0006]

[Technical Means] The technical means of the invention according to claim 1 for solving the above-mentioned problems is "a washing switch (53) which is turned on when the bathtub (2) is washed, and a water heater (1) to a bathtub (1). 2) When a hot water supply or water supply operation to the water level gauge (32) continues to be a constant level value for a certain period of time, an overflow determination device that outputs an overflow signal is provided, and when the washing switch (53) is turned on, Hot water is supplied to or water is supplied to the bathtub (2) until the overflow determination device outputs an overflow signal, and the air supply device is used when the bathtub (2) is in an overflow state.
(33) was driven ”.

[0007]

The above technical means operates as follows. When the washing switch (53) is turned on, water is supplied from the hot water supply device (1) to the bathtub (2) or hot water supply operation is performed until an overflow signal is output from the overflow determination device. That is, the hot water supply or the water supply operation is performed until the bath water overflows from the bathtub (2) and continues for a predetermined time.

Further, when the bathtub (2) is in an overflow state, the air supply device (33) is driven to supply a large number of bubbles to the bathtub (2). Then, by supplying the bubbles, the inside of the bathtub (2) is agitated to remove the dirt adhering to the inner wall of the bathtub (2), and the removed dirt is discharged to the outside together with the bath water overflowing from the bathtub (2). It flows out, so that the inside of the bath can be cleaned.

[0009]

The invention of claim 1 has the following unique effect. Since air bubbles supplied to the bathtub (2) can remove dirt and the like adhering to the inner wall of the bathtub (2), an independent dust remover such as a rake net for removing dirt floating on the surface of the bath water is not required. The bathtub (2) can be cleaned more effectively than the scoop net.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the invention of claim 1 will be described in detail with reference to the drawings. As shown in FIG. 1, the bath apparatus of this embodiment has the same configuration as that of FIG. 4 described above except that a washing switch (53) is provided. A control program having the contents shown in the flowchart of FIG. 2 is written in the microcomputer of the control device (5) for controlling the water filling valve (31) and the air supply device (33). The control operation of the example bath device will be described. ． First, the operation of the washing switch (53), the bubble bath switch (51), and the water filling switch (50) is monitored (see the step indicated by reference numeral (60) in the drawing). ． When the cleaning switch (53) is operated, the gas burner (52) is burned and the water filling valve (31) is opened to start the hot water supply operation to the bathtub (2) (refer to the step in the drawing symbol (61)). ). ． Next, the overflow judgment routine (62) is executed to wait for bathing water to overflow from the bathtub (2). That is, the detected water level (h) of the water level gauge (32) is stored in the water level judgment memory (K) (see the drawing code (62
After referring to step 1), wait for 30 seconds (see step of drawing code (622)), and then detect the water level (h) of the water gauge (32) at that time and the above water level judgment memory (K ) Of the water level (the water level detected by the water level gauge (32) 30 seconds before) is stored, and the above steps (621) to (623) are repeated until the two water levels become equal.
Then, when the water level in the bathtub (2) does not change for 30 seconds, it is determined that the bathing water has begun to overflow. In this embodiment, the overflow judgment routine (62) corresponds to the overflow judgment device described in the technical section.

When the bathing water begins to overflow from the bathtub (2), dirt such as dust and hair floating in the bathing water begins to be discharged together with the overflowing water. ． When the bathing water begins to overflow, the air supply device (33) is driven to eject a large number of bubbles into the bath (2), and the bubbles wash the inside of the bath (2) with stirring (see step (63)). ). As a result, dirt such as dust adhering to the inner wall of the bathtub (2) is removed, and this is discharged to the outside of the bathtub (2) together with the overflowing bath water. Then, the air supply device (33) is stopped after the cleaning work by the air bubbles is continued for 5 minutes (see step (64) in the drawing). ． When the air supply device (33) is stopped, the water level in the bathtub decreases by the volume of bubbles that disappear from the bathtub (2). Therefore, the overflow judgment routine (62) is executed again and the bathing water is added to the bathtub (2). Spills from it, thus completely draining any dirt floating on the water surface. Then, after that, the gas burner (52) is extinguished and the water filling valve (31) is closed to stop the hot water supply operation to the bathtub (2).

The cleaning switch (53) and the bubble bath switch (5
1) and the drawing code (6
When it is found that the bubble bath switch (51) has been operated in the step (0), the air supply device (33) is driven for a certain period of time to bring the bathtub (2) into the bubble bath state. In addition, the water filling switch (5
When it is known that 0) has been operated, the water level gauge (32) monitors the water level in the bathtub and fills the water to the target water level.

In the above embodiment, the water heater (1) is connected to the bathtub.
Although hot water is supplied to (2), the gas burner (52) may be maintained in a fire extinguishing state and cold water may be supplied to the bathtub (2). [Invention of Claim 2] The invention of Claim 2 solves the same problem as the invention of Claim 1 above.

[0014]

[Technical Means] The technical means of the invention of claim 2 for solving the above-mentioned problem is to say: "a cleaning switch (53) to be turned on when cleaning the bathtub (2), and a water heater (1) to the bathtub (1). 2) When a hot water supply or water supply operation to the water level gauge (32) continues to be a constant level value for a certain period of time, an overflow determination device that outputs an overflow signal is provided, and when the washing switch (53) is turned on, That is, the hot water supply or the water supply operation is performed on the bathtub (2) until the overflow determination device outputs an overflow signal, and the air supply device (33) is driven after the overflow signal is output. ”

[0015]

[Operation / Effect] The above technical means operates as follows.
When the washing switch (53) is turned on, hot water or cold water is supplied to the bathtub (2) until the bathwater overflows, and the bathwater stops, as in the first aspect of the invention. Further, when the operation of supplying hot water or the like to the bathtub (2) is stopped, the bathtub (2) is full of bath water, and when the air supply device (33) is driven in this state, As in the first aspect of the invention, air bubbles supplied from the air supply device (33) agitate the inside of the bath (2) to remove dirt adhering to the inner wall thereof. In addition, bath water overflows from the bathtub (2) by the volume of a large number of bubbles supplied to the bathtub (2), and together with the overflowing bathwater, dirt removed from the inner wall of the bathtub (2) is discharged to the outside of the bathtub. Is discharged. As a result, dirt adhering to the wall surface of the bathtub (2) is positively removed.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of the invention according to claim 2 will be described in detail with reference to the drawings. The bath apparatus used in this embodiment has the structure shown in FIG. 1 similarly to the above-mentioned embodiment of claim 1. Next, the operation of the bath apparatus according to the second embodiment of the invention will be described with reference to FIG. ． First, the operation of the cleaning switch (53), the bubble bath switch (51), and the water filling switch (50) is monitored (see the step indicated by reference numeral (70) in the drawing). ． When the cleaning switch (53) is operated, the gas burner (52) is burned and the water filling valve (31) is opened to start the hot water supply operation to the bathtub (2) (refer to step (71)). ), The overflow judgment routine (72) consisting of steps (721) to (723) is executed, and then the gas burner (5
2) is maintained in a fire extinguishing state and the water filling valve (31) is closed to stop the hot water supply operation to the bathtub (2) (see step (73)). As a result, the bathtub (2) is filled with bathing water up to its upper end. ． Next, drive the air supply device (33) for 5 minutes to drive the bathtub (2)
The inside is stirred and washed (see step (74)). Then, dirt such as dust is separated from the inner wall of the bathtub (2) by the stirring and washing action of the above-mentioned many bubbles and overflows from the bathtub (2) by the volume of the many bubbles supplied to the bathtub (2). The dirt is discharged outside the bath together with the bathing water. As a result, the inside of the bathtub (2) can be cleaned.

In this embodiment, hot water is supplied to the bath (2) until the bath water overflows even after the washing with the air bubbles (see the steps (75), (72) and (76) in the drawing). ). When the agitation and washing in the bathtub (2) due to air bubbles are completed and the vigorous movement of the bathwater stops, dirt floating deep inside the bathwater floats on the surface of the water, so warm water is supplied to the bathtub (2) until it overflows. Is discharged.

In the above embodiment, hot water was supplied to the bathtub (2) until the bath water overflowed. However, instead of the hot water, the water heater (1)
You may make it supply cold water.

[Brief description of drawings]

FIG. 1 is an explanatory view of a bath device used in an embodiment of the present invention.

FIG. 2 is an operation explanatory view of the embodiment of the invention of claim 1;

FIG. 3 is an operation explanatory view of the embodiment of the invention of claim 2;

FIG. 4 is an explanatory diagram of a conventional example.

[Description of sign]

 (1) ・ ・ ・ Water heater (2) ・ ・ ・ Bathtub (32) ・ ・ ・ Water level gauge (33) ・ ・ ・ Air supply device

Claims (2)

[Claims] 1. A water filling circuit (3) connecting the water heater (1) to the bathtub (2), and an air supply device (3) for supplying a large number of bubbles to the bathtub (2).
3), and a bath device equipped with a water level gauge (32) for detecting the water level in the bathtub (2), a washing switch (53) to be turned on when washing the bathtub (2), and a water heater (1) From the water level to the bathtub (2) or when supplying water from the water level gauge (32) for a certain period of time during the water supply operation, an overflow determination device that outputs an overflow signal is provided, and the cleaning switch (53) is turned on. In this case, the hot water supply or water supply operation is performed to the bathtub (2) until the overflow determination device outputs an overflow signal, and the air supply device (33) is driven when the bathtub (2) is in the overflow state. Bath equipment with functions. 2. A water filling circuit (3) connecting the water heater (1) to the bathtub (2) and an air supply device (3) for supplying a large number of bubbles to the bathtub (2).
3), and a bath device equipped with a water level gauge (32) for detecting the water level in the bathtub (2), a washing switch (53) to be turned on when washing the bathtub (2), and a water heater (1) From the water level to the bathtub (2) or when supplying water from the water level gauge (32) for a certain period of time during the water supply operation, an overflow determination device that outputs an overflow signal is provided, and the cleaning switch (53) is turned on. In this case, hot water or water is supplied to the bathtub (2) until the overflow determination device outputs an overflow signal, and the air supply device (33) is operated after the overflow signal is output.
A bath device equipped with a bathtub cleaning function for driving a bathtub.