JPH0771540B2 - Remote operated 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 bath device, and more particularly to a remote control bath device.

[0002]

2. Description of the Related Art A bath device incorporates a circulation heating device for heating and raising the temperature of hot water in a bath. And recently, in order to improve the operability, this bath device can be remotely operated. However, even with this type of remotely operated bath apparatus, draining residual water in the bathtub and closing the bath plug after draining are troublesome. This is because the opening and closing of the bath tap is a manual operation method.

Therefore, in order to eliminate such inconvenience, there has been proposed a bathtub which can be opened and closed by remote control. However, in the case of this improvement plan, it is necessary to specially configure the bathtub when installing the device, and it is difficult to cope with a normal bathtub. Depending on the response, a normal bathtub can be used, but special work is required to equip it with a remotely operated bathtub.

The present invention has been made in view of the above points, and it has been noted that a remote-controlled bath apparatus having a circulation heating device is equipped with a circulation heating circuit that connects the bathtub and the appliance body. The drainage from the bathtub and the disconnection of the drainage circuit can be performed by remote control, and the construction for this drainage device can be simplified.
It is an object of the present invention to prevent the heat exchanger in the circulation heating circuit from being contaminated by the drainage.

[0005]

[Technical Means] The technical means of the present invention taken in order to solve the above technical problem is "a remote control type bath device capable of heating and raising the temperature of hot water in the bathtub from the appliance body side. The main body (1) has a built-in heat exchanger for reheating, and a connecting pipe (J) for connecting the heat exchanger to the bathtub (2).
(J) is provided with a circulation heating circuit, and a drain pipe (40) is communicatively connected to a communication pipe (J) below the instrument body (1) in the circulation heating circuit. 40) by inserting an opening / closing valve (41) into the opening / closing valve (41) so that the opening / closing valve (41) can be at least opened by an operation portion of an operation panel (3) ,
Connect the lower connecting pipe (J) to which the drain pipe (40) is connected.
It was connected to the bottom of the bathtub from below . "

[0006]

The above technical means of the present invention operates as follows. When installing this bath device, the equipment body (1)
Is installed at a predetermined position and the internal heat exchanger and the bathtub (2) are connected by a pair of connecting pipes (J) (J) to form a circulation heating circuit. The drain pipe (40) is connected to one of the connecting pipes (J), so that the inside of the bathtub (2) is connected to the drain pipe (40) in the instrument body (1) through the connecting pipe (J). Will be connected to.

As described above, when the connection of the circulation heating circuit between the appliance body and the bath is completed, the drainage circuit is also connected, and a part of the circulation circuit becomes a drainage circuit. The hot water in the bathtub can be reheated as needed by a circulation heating device. When opening and closing the drainage circuit from the bathtub (2), a predetermined operation part of the operation panel (3) is operated to open and close the opening / closing valve (41) provided in the drainage pipe (40). If the drainage device is of a type that automatically closes after drainage is completed, the operation for closing the on-off valve is unnecessary.

The drain pipe (40) is located on the upper side of the connecting pipe (J) in the circulation heating circuit in the equipment body (1) (bathtub ).
Side) , it is discharged directly to the drainage channel without passing through a heat exchanger.
Particularly, in the case of adopting the above means, the drain pipe (40) is
Is the lower connecting pipe (J), which is connected in communication, located at the bottom of the bathtub?
Since it was connected to each other from the
Removes the hot water in the bathtub smoothly and surely from the bottom of the bath.
To be watered.

[0009]

[Effects] The present invention having the above-described structure has the following unique effects. Residual water in the bathtub (2) can be drained by operating the operation panel (3). Further, since the drainage device is connected to the bathtub (2) only by properly installing the appliance body (1) in relation to the bathtub (2), the installation work of the bath device can be greatly simplified.

Furthermore, since one flow path of the circulation heating device is used as a part of the drainage circuit, a special pipe for draining water can be reduced. Further, although the remaining hot water in the bathtub at the end of bathing is dirty, the remaining hot water is directly discharged from the drain pipe (40) without passing through the heat exchanger.
Therefore, when draining the remaining hot water, there is no concern that the remaining hot water stains or dross will adhere to the inner wall of the heat exchanger having a structure in which the flow path is complicatedly bent to easily adhere to the dross. Furthermore, when draining
Removes the hot water in the bathtub smoothly and surely from the bottom of the bath.
To be watered. Therefore, hot water does not remain on the bottom of the bath after drainage is completed.
The convenience can be eliminated and the water can be drained quickly. In addition
The drainage circuit is not exposed in the bathtub,
The circuit does not get in the way when bathing.

[0011]

【Example】

An embodiment of the present invention will be described below with reference to FIGS. 1 and 2 . The embodiment shown in FIG. 1 and FIG. 2 has a first heat exchanger (5) for hot water supply, which is a main part of a hot water supply device, in the appliance body (1).
And a second heat exchanger (6) for circulation heating, and each of the heat exchangers is equipped with a gas burner (B) for hot water supply or circulation heating by gas thermal power.
Then, the second heat exchanger (6) is connected to the bathtub (2) by a pair of connecting pipes (J) (J) so that the second heat exchanger (6) is connected between the second heat exchanger (6) and the bathtub (2). A circulation circuit (20) is formed in the bypass circuit (20), and a circulation promotion pump (P) is inserted in a bypass circuit (21) that short-circuits the circulation circuit (20). Port pipes connected to the inlet side and the outlet side of this pump (P) are open to the bath (2) side in each connecting pipe (J).

This circulation heating device is basically of a natural circulation heating type, but the natural circulation is promoted by the suction and discharge force of the pump (P) and the bath (2) is also used.
The stirring action inside is promoted. In order to realize automatic water filling, in this embodiment, the circulation circuit (20) and the hot water supply circuit (51) of the first heat exchanger (5) are filled with a solenoid valve (53) for the water filling circuit ( 52), the solenoid valve (53) is opened in the hot water supply apparatus operating state, and the bathtub (2) is filled with water from one of the connecting pipes (J) of the circulation circuit (20).

[0013] Next, the down of the communication pipe (J) or al branch
The drainage pipe (40) is connected in a downward manner, and the opening / closing valve (41) is inserted into the drainage pipe (40). An electromagnetic valve is adopted as the opening / closing valve (41), and the completion of drainage is detected by the water flow switch (42) provided on the outlet side. The output of the water flow switch (42) automatically closes the open / close valve (41) after the drainage operation.

The control circuit for this automatic drainage has a structure as shown in FIG. 2 , and has a drain switch (3) provided on the operation panel (3).
1) includes a water flow switch (42) and a delay capacitor (4)
3) is connected in series with a parallel circuit, and the output of this circuit is input to the base of the output transistor (T ₁ ) connected in series with the on-off valve (41) in the drive circuit. And
A light emitting diode (44) is connected in parallel to the opening / closing valve (41) and a drain switch (31) provided on the operation panel (3).
It functions as a display lamp.

As the water filling device for automatic water filling, a well-known device is used as it is, and the solenoid valve (53) is output by the output of the water filling control circuit (33) connected to the water filling switch (32). When the output transistor (T ₂ ) of the driving circuit of ( ₁ ) is controlled and the stored hot water level in the bathtub (2) reaches the set water level, the filling operation is automatically stopped. In the above embodiment, the drain switch (31) of the operation panel (3) is closed to drain the bath (2) in the hot water storage state. As a result, a current temporarily flows to the delay condenser (43) side, the closing valve (41) opens, and the drain pipe (4
Drainage from 0) is started, and at the same time, the light emitting diode (4
4) lights up. Then, this drainage is detected, the water flow switch (42) is closed, and the drainage continues thereafter. And
When the drainage is completed, the water flow switch (42) returns to the open state, the on-off valve (41) returns to the closed state, and the light emitting diode (44) turns off. That is, it is possible to determine on the operation panel (3) that drainage has been completed.

Next, in order to perform the water filling, the water filling switch (32) of the operation panel (3) is operated. At this time, since the drainage path of the bathtub (2) has already been cut off, the hot water is supplied automatically when the inside of the bathtub (2) reaches the set water level by the operation of the control circuit (33). To be stopped. The draining operation and the filling operation may be associated with each other, and the above-described draining operation may be advanced by operating the filling operation switch, and the filling operation may be automatically advanced when the drainage is completed. In this case, a flip-flop circuit may be used to obtain the start signal of the control circuit (33) from the output of the water flow switch (42), and the drain switch (31) can be directly used as a water filling switch. Become.

[0017] The actual施例ones, the upper communication pipe (J)
Is connected to the side wall of the bathtub (2), and the lower connecting pipe (J) is connected to the bottom of the bathtub (2) from below .
When draining, the hot water in the bathtub is drained smoothly and quickly.
There is no concern that hot water will remain at the bottom of the bathtub. Therefore, the complex structure
Complete drainage is possible without adopting a synthetic method. The circulation heating circuit may be a forced circulation type in which the pump (P) is inserted in series with the heat exchanger.

[Brief description of drawings]

FIG. 1 is an overall view of an embodiment of the present invention

FIG. 2 is an explanatory view of a main part of an electric circuit of this.

[Explanation of symbols]

 (1) ・ ・ ・ Apparatus body (2) ・ ・ ・ Bathtub (J) ・ ・ ・ Connecting pipe (40) ・ ・ ・ Drainage pipe (41) ・ ・ ・ Opening / closing valve (3) ・ ・ ・ Operating panel

Claims (1)

[Claims] 1. A remote-controlled bath apparatus in which hot water in a bathtub can be heated and heated from the appliance body side, wherein the appliance body (1) has a built-in heat exchanger for reheating. A circulation heating circuit composed of a connecting pipe (J) and (J) for connecting the bath and the bath (2) is provided, and a device in this circulation heating circuit
The drain pipe (40) is attached to the lower connecting pipe (J) in the tool body (1).
And a closed valve (41) in this drain pipe (40).
Is inserted into the drainage pipe (40), and the opening / closing valve (41) can be opened at least by the operating portion of the operation panel (3 ).
The lower connecting pipe (J), which is connected to the
A remote-controlled bath device that is connected to and communicates with .