JPH06165735A - Bath heater equipped with automatic water pouring function - Google Patents

Abstract

PURPOSE:To provide a bath heater equipped with an automatic water pouring function, which can present a clean bathing by eliminating fur or slime at the time of bathing. CONSTITUTION:The title bath furnace device is equipped with an automatic water pouring function by which water or not water from a hot water feeding device can automatically be poured from a bath automatic feeding passage 80 through a circulating passage 20 for bath follow-up heating. When the water level of a bathtub 10 reduces from a level which exceeds a circulating fitting 11 for bath follow-up heating to a level which is not higher than the circulating fitting 11 for bath follow-up heating, water from the hot water feeding device is poured to the bathtub 10 through the circulating passage 20 for bath follow-up heating for a specified period of time or by a specified quantity.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bathtub device with an automatic dropping function which is capable of automatically dropping hot water from a water heater into a bathtub.

[0002]

2. Description of the Related Art In a conventional bath pot device with an automatic dropping function of this type, the automatic dropping from the water heater to the bathtub is performed when the bath is filled with water for the first time or to maintain a predetermined bath level. Also, it is used as a heating means by hot water of hot water.

[0003]

By the way, although the hot water in the bathtub is drained after the bath is used, even if the hot water in the bathtub is drained, the hot water remains in the duct in the bath kettle through which the bath water circulates. Will remain. And since the remaining hot water contains water stains and slime, the bathtub is cleaned cleanly when the water is automatically dropped into the bathtub the next day or when hot water is circulated to reheat the bathwater. Nevertheless, there has been a problem that water stains and slimes remaining in the circulation path and the like are introduced into the bathtub and become dirty.

Therefore, an object of the present invention is to solve the above-mentioned drawbacks of the prior art and to provide a bath kettle device with an automatic dropping function which enables a clean bath without water stains and slimyness when the bath is used.

[0005]

In order to achieve the above object, the present invention has made it possible to automatically drop water or hot water from a water heater from a bath automatic drop path through a bath reheating circulation path. A bath kettle device with an automatic dropping function, wherein when the water level of the bathtub decreases from the water level exceeding the bath heating circulation metal fitting to the following water level, the water from the water heater is supplied to the bath for a certain time or a certain amount. It is characterized in that it is configured to be dropped into a bathtub through a heating circulation path.

[0006]

[Function] When the drain plug of the bath water is removed after the bath is used, the water level of the bath gradually decreases due to the drain of the bath water.
When the water level of the bathtub falls below the bath recirculation metal fitting, it is detected, and the open / close valve for automatic bath drop is opened for a certain period of time or until a certain amount is reached. As a result, the clean water from the water heater flows from the automatic bath drop path into the bathtub through the bath reheating circulation path in the bathtub, and the bathwater remaining in the bathtub passage is discharged to the bathtub side. Then, the passage in the bath kettle is filled with clean water.

[0007]

EXAMPLES The present invention will be described below based on examples.
FIG. 1 is a configuration diagram of a bath hook device with an automatic dropping function showing an embodiment of the present invention, and FIG. 2 is a flow chart showing an example of control operation at the time of draining of bath water.

Reference numeral 10 is a bathtub, and the water in the bathtub 10 is a circulating metal fitting 11
Is circulated to the bath recirculation circuit 20 via. The bath reheating circulation path 20 is composed of a bath return pipe 21 and a bath return pipe 22, and the bath return pipe 21 has a circulation pump 23, a bath water level sensor 24, a bath temperature sensor 25, a bath water flow switch 26, etc. Is provided. By driving the circulation pump 23,
The bath water passes from the circulation fitting 11 through the bath return pipe 21, is conveyed to the heat exchange coil 31 of the bath reheating can 30, and after being heated there, passes through the bath passage pipe 22 through the circulation fitting 11 and the bathtub 10.
Return to inside.

The bath reheating can body 30 is provided with a petroleum spray nozzle 32, and burns by fuel spray and air supply. In addition to the bath reheating can body 30, there is provided a hot water supply can body 40 as a water heater, and the can body 40 is similarly provided with a petroleum spray nozzle 42, and fuel spray and blower 43.
Combustion is performed by supplying air from. This heats the water in the heat exchange coil 41 passing through the can body 40.

To the heat exchange coil 41 of the hot water supply can body 40,
Water is supplied from the water supply or the like through the water inlet 50, and the hot water heated there is discharged to the hot water outlet 60. A flow path branches from the hot water supply path 60 into a general hot water supply path 70 and a bath automatic drop path 80. A water amount sensor 81, an electromagnetic opening / closing valve 82, a check valve 83, etc. are provided in the bath automatic drop-in path 80. When the bath automatic drop-in is performed, the electromagnetic on-off valve 82 of the bath automatic drop-in passage 80 is opened, and the circulation pump 23 of the bath heating cycle 20 is driven. As a result, hot water from the water heater is supplied to the bathtub 10 through the bath automatic drop-in passage 80, the bath return pipe 21 of the bath reheating circulation passage 20 through the heat exchange coil 31, and the bath passage pipe 22. .

Reference numeral 90 denotes a controller of the apparatus, which is operated by commands from a remote controller (not shown) and by inputting information from sensors of each section of the apparatus, and in accordance with a predetermined program, operations such as bath reheating, automatic bath dropping, etc. Outputs a control command for the operation of the member. As one of the control functions of the controller 90, when the bath water level detected by the bath water level sensor 24 changes from the water level exceeding the circulating metal fitting 11 to the following water level, the electromagnetic opening / closing valve of the bath automatic drop path 80
82 is once opened and the circulation pump 23 of the bath reheating circulation path 20 is driven, and when the water volume sensor 81 of the bath automatic drop-in path 80 detects a constant water volume, the electromagnetic on-off valve 82 is closed and the circulation is performed. The pump 23 is stopped.

That is, further explaining according to the flowchart of FIG. 2, when the user pulls out the drain plug (not shown) of the bathtub 10 at the end of use of the bath, the water level of the bathtub gradually decreases, and the water level eventually rises. It becomes the water level of the circulation fitting 11.
At this time, the bath water level sensor 24 provided in the circulation path 20 changes from the positive (+) water level to the zero (0) water level. controller
90 monitors the water level information input from the bath water level sensor 24, and when the water level becomes zero from the positive water level (Yes in S1), issues an opening command to the electromagnetic opening / closing valve 82 and also issues a drive command to the circulation pump 23. Put out (S2). This allows water to pass through the bath automatic drop-in passage 80 (in this case, the hot water supply can body).
40 is left unburned) flows into the circulation path 20 and residual dirty bath water is discharged into the bath. And
During this time, the water amount information from the water amount sensor 81 is displayed on the controller 90.
When a certain amount of water is reached (YES in S3), the electromagnetic opening / closing valve 82 is closed and the circulation pump 23 is stopped (S4).

In the above embodiment, the electromagnetic on-off valve 82 is closed to stop the automatic drop of the clean water when the fixed amount of water is detected, but instead, the automatic drop of the clean water is performed by the timer for a fixed time. You may

When the bath is being used, that is, when the bath is in use, that is, when the bath level is extremely lowered (lower than the circulation fittings), the bath reheating operation switch, the automatic heat retention operation, and the automatic rehydration operation switch are turned on. However, the cleaning mode by the automatic dropping may not be entered.

[0015]

According to the present invention, which has the above-described structure,
According to the bath kettle device with an automatic dropping function described in (3), when the bath water level decreases from the water level exceeding the bath heating circulation fitting to the following water level, a fixed time or a fixed amount is applied to the bath heating circulation path. Since it is configured to be dropped into the bathtub through the bathtub, when the bathtub is drained, the dirty bathtub water remaining in the bathtub conduit outside the bathtub can be reliably drained. Therefore, even in the next use, it is possible to prevent the dirty residual water mixed with water stains from being mixed into the bathtub from the beginning and making the bathwater dirty.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a bath hook device with an automatic dropping function according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an example of control operation at the time of draining bath water.

[Explanation of symbols]

 10 Bathtub 11 Circulation fitting 20 Circulation path for bath reheating 23 Circulation pump 24 Water level sensor for bath 30 Can body for bath reheating 40 Can body for hot water supply 50 Inlet passage 60 Outlet passage 70 General hot water supply passage 80 Automatic bath drop 90 controller

Claims (1)

[Claims] 1. A bath kettle device with an automatic dropping function, wherein water or hot water from a water heater can be automatically dropped from a bath automatic dropping passage through a bath reheating circulation passage, the bath water level being a bath. When the water level exceeds the reheating circulation metal fitting to the following water level, the water from the water heater is dropped into the bathtub through the bath reheating circulation path for a certain period of time or a certain amount. Bath pot device with automatic drop function.