JPH02285116A - Bath equipment - Google Patents

Abstract

PURPOSE:To contrive to effectuate automatic supply of water to a bath tub and automatic drain therefrom and to simplify installation of equipment by making a hot water supply device in the equipment main body and the bath tub communicate with each other, and by providing a draining device in the equipment main body. CONSTITUTION:A drain pipe 40 is made to communicate with a connecting pipe J that connects equipment main body 1 and a bath tub 2, and the drain pipe 40 is guided into the equipment main body 1. A valve 41 is provided to the drain pipe 40, and opening and closing of the valve 41 are made by operation of a operating panel 3. After closing the valve 41 by operation of the operating panel 3 in advance of hot-water-filling, the bath tub 2 is filled with hot water supplied with a hot water supply device. For draining after bathing, the valve 41 is opened to let remaining hot water in the bath tub 2 run out. Thereby confirming of open-or-closed situation of the drain circuit in the bath tub in advance of hot-water-filling is made unnecessary, enabling the drainage from the bath tub 2 to be operated automatically and, at the same time, installation of the drain device can be simplified.

Description

[Detailed Description of the Invention] [Field of Application and Summary of the Invention] The present invention relates to a bath device, in particular, a bathtub that is connected to a hot water supply device in the appliance body so that heat is directly supplied from the water heater into the bathtub. It relates to a bath device designed to quench thirst.
By providing a drainage device within the appliance body, water supply to the bathtub and subsequent installation of the excluded appliance are simplified.

[Prior art and its problems] Recently, bath equipment has been automated, and it has become possible to automatically fill the bathtub with hot water up to a set water level from a water heater connected to the bathtub, and also to automatically fill the bathtub with hot water up to a set water level. The bathtub water temperature is maintained at a set temperature. These operations can be easily performed by operating the operation section on the operation panel.

In addition, the control panel in the bathroom makes it extremely easy to reheat the bath while taking a bath or adjust the water temperature while taking a shower.

However, even with this type of automatic bath system, it is troublesome to drain the residual water in the bathtub and to close the bath tap after draining. Normally, this type of bath equipment can be operated remotely, but when filling with hot water, it is necessary to check that the bathtub stopper is closed in the bathroom, and if it is not closed, it is necessary to do so by hand. You need to close the stopper. Therefore, even if various operations are automated and can be controlled remotely, the benefits are not fully utilized.

In order to solve this inconvenience, a bathtub faucet that can be opened and closed by remote control has been proposed. When such a bathtub faucet device is used in combination, it becomes easy to add a function to control the operation of the bathtub faucet device to the control section of the automatic bath device.

However, in the case of this type of improvement proposal, it is necessary to specially configure the bathtub when installing the equipment, and it is difficult to adapt to a normal bathtub. Depending on the measures taken, regular bathtubs may not be impossible to use, but special construction will be required to equip them with remote-controlled bath taps.

The present invention has been made in view of these points, and includes communicating the r bathtub (2) and the appliance body (1), equipping the appliance body (1) with a hot water supply device, and providing an operation panel (3).
) In a bath device j of a type that allows at least the operation of filling water with an operation part provided in the bathtub (2), it is possible to automate the drainage of the bathtub (2) and to simplify the construction work for this drainage device. In order to solve this problem, the technical problem is to enable drainage from the appliance main body (1) side.

[Technical Means] The technical means of the present invention taken to solve the above-mentioned technical problem is "to connect the drain pipe (40) to the connecting pipe (J) connecting the appliance body (1) and the bathtub (2). Connect this drain pipe (
40) into the appliance body (1), and this drain pipe (40)
An on-off valve (41) is provided in the instrument body (1), and this on-off valve (41) can be opened and closed by the operating section of the operation panel (3).

[Effect] The above technical means of the present invention operates as follows.

When installing this bath device, the appliance main body (1) is installed in a predetermined position, and the internal hot water supply path and the bathtub (2) are communicated and connected via the connecting pipe (J).
), but these operations are the same as when installing a conventional bath system without a drainage system. This allows the inside of the bathtub (2) to connect to the connecting pipe (J).
) to the drain pipe (40) in the instrument body (1).

As mentioned above, the appliances can be used once the water system work is completed, the electrical system connection work is completed, and in some cases, the gas piping work is completed. When filling with hot water, the water heater in the appliance body (1) connects the connecting pipe (
Hot water is supplied from J) into the bathtub (2) and the bathtub is quenched. And, in the case of a bath device equipped with an automatic hot water filling device, a bath!
(2) When the water reaches the set water level, the water filling operation will automatically stop.

In addition, it is necessary to cut off the drainage circuit from the bathtub (2) before performing this water-filling operation, but in this case, the operation panel (3)
) to close the on-off valve (41) provided in the drain pipe (40). Furthermore, when draining water at the end of bathing, the on-off valve (41) is opened by operating the operating section to drain the remaining water in the bath 412).

When installing this bath device, the appliance body (1) is installed in a predetermined position and the internal hot water supply path and the bathtub (2) are communicated and connected via the connecting pipe (J).
1) The circuit on the water inlet side is connected, but these operations are the same as when installing a conventional bath system without a drainage system. This allows the inside of the bathtub (2) to connect to the connecting pipe (
Drain pipe (40) provided in the appliance body (1) via J)
This will lead to communication.

[effect] Since the present invention has the above configuration, it has the following unique effects.

The remaining water in the bathtub (2) can be drained by operating the operation panel (3), and the drainage path of the bathtub (2) can be shut off by operating the operation panel (3) so that hot water can be stored. Therefore, there is no need to go to the bathroom and check whether the drain circuit of the bathtub (2) is open or closed before filling with hot water.

Furthermore, the drainage device can be connected to the bathtub (2) simply by properly installing the appliance body (1) in relation to the bathtub (2), which simplifies the installation work of the appliance.

[Example] Hereinafter, an example of the present invention will be described based on FIGS. 1 to 4.

The first embodiment shown in Figs. 1 to 3 has a main body (
1) contains a first heat exchanger (5) for hot water supply, which is the main part of the water heater, and a second heat exchanger (6) for reheating, and each heat exchanger is equipped with a gas burner (B). ) to perform hot water supply or circulation heating using gas-fired power. The bathtub (2) refers to the second heat exchanger (6).
) are connected through a pair of communication pipes (J) (J) to create a circulation circuit (
20) is formed, and a pump (P) for promoting circulation is connected to the bypass circuit (21) that short-circuits this circulation circuit (20).
has been inserted. The boat pipes connected to the population side and the outlet side of this pump (P) are open to the bathtub (2) side at each communication pipe (J).

This circulation heating device is basically of a natural circulation heating type, but the suction and discharge force of the pump (P) promotes the natural circulation and also promotes the stirring action in the bathtub (2). be done.

In order to realize automatic hot water filling, in this embodiment, the circulating circuit (20) and the hot water supply circuit (51) of the first heat exchanger (5)
are connected to each other by a hot water filling circuit (52) into which a solenoid valve (53) is inserted, and when this solenoid valve (53) is opened while the water heater is in operation, one of the communication pipes (J) of the circulation circuit (20) is opened. ) will fill the bathtub (2) with hot water.

Next, a drain pipe (40) is connected in such a manner as to branch downward from the lower connecting pipe (J).
) is inserted with an on-off valve (41). This on-off valve (4
As for 1), a solenoid valve is adopted, and the completion of drainage is detected by a water flow switch (42) provided on the outlet side. The output of the water flow switch (42) automatically closes the on-off valve (41) after the drainage operation.

The control circuit for this automatic drainage has a configuration as shown in Figure 3.
A drain switch (31) provided on the operation panel (3) is connected in series with a parallel circuit of a water flow switch (42) and a delay capacitor (43), and the output of this circuit is connected to the on-off valve (41) in the drive circuit. The output transistor (TI) is connected in series with the base of the output transistor (TI). A light emitting diode (44) is connected in parallel to this on-off valve (41), and is provided alongside a drain switch (31) provided on the operation panel (3) to function as an indicator lamp.

In addition, the well-known hot water filling device for automatic hot water filling is used as is, and the hot water filling switch (32)
The output transistor (T2) of the drive circuit of the solenoid valve (53) is controlled by the output of the hot water filling control circuit (33) connected to the bathtub (2), and when the hot water level in the bathtub (2) reaches the set level,
The filling operation will be automatically stopped.

In the above embodiment, a current flows to the bathtub side in the storage vortex, the on-off valve (41) opens, water starts draining from the drain pipe (40), and at the same time the light emitting diode (44) lights up. Then, this drainage is detected and the water flow switch (42
After the drain is closed, drainage continues. 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. In other words, it can be determined on the operation panel (3) that drainage has been completed.

Next, to fill with hot water, operate the hot water filling switch (32) on the operation panel (3). At this time, the bathtub (2)
Since the drainage path of the bathtub (2) is blocked, the control circuit (33) automatically fills the bathtub (2) with hot water through the above operation.
) When the water level reaches the set water level, the hot water supply operation will automatically stop.

Here, the above-mentioned draining operation and the above-mentioned hot water filling operation may be related, and by operating the hot water filling operation switch, the above-mentioned draining operation may proceed, and the above-mentioned hot water filling operation may automatically proceed when the water draining is completed. In this case, a flip-flop circuit may be used to obtain a starting signal for the control circuit (33) from the output of the water flow switch (42), and the drain switch (31) can be used as a dry bow length switch. becomes.

In the first embodiment, the connecting pipe (J) (J) is connected to the side wall of the bathtub (2).
In order to completely drain the inside, as shown in Figure 2, an auxiliary circuit (45) is provided in the circuit from the lower connecting pipe (J) to the drain pipe (40), and one end of the circuit is connected to the bathtub (2). and the other end is set lower than the bottom. Therefore, due to the siphon action of this auxiliary circuit (45), residual water at the lower water level than the lower connecting pipe (J) can be completely discharged.

Next, in the second embodiment shown in FIG. 4, the lower connecting pipe (J) is communicated from the bottom of the bathtub (2),
In this case, an auxiliary circuit (45
) Complete drainage is possible without using.

In addition, in all of the above embodiments, the inside of the bathtub (2) is heated by a circulation heating device, but there are also bathtubs with a high temperature plug type, that is, those with a connecting pipe (J) of one length. It goes without saying that the present invention can also be applied to forced circulation type systems.

[Brief explanation of drawings]

Figure 1 is an overall view of an embodiment of the present invention, Figure 2 is an enlarged view of the main parts,
FIG. 3 is an explanatory diagram of the main parts of this electric circuit. FIG. 4 is an explanatory diagram of the second embodiment; (1)...Equipment body (2)...Bathtub (J)...Communication pipe (40)...Drain pipe (41)...Opening/closing valve (3)...Operation panel

Claims (1)

[Claims] The bathtub (2) and the appliance body (1) are communicated with each other, and the appliance body (1) is equipped with a hot water supply device.
), in which a drain pipe (40) is connected to a connecting pipe (J) connecting the appliance body (1) and a bathtub (2), This drain pipe (40) is introduced into the appliance body (1), this drain pipe (40) is provided in the appliance body (1), and this on-off valve (41) is opened and closed by the operation part of the operation panel (3). Bath equipment that made it possible.