JP2792961B2 - Bath remaining hot water use system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Industrial application field The present invention relates to a bath hot water utilization system that uses a jet bath pump to feed the hot water remaining in a bathtub to a device that uses residual oil. .

(B) Conventional technology In a conventional pump device described in Japanese Patent Application Laid-Open No. 57-41487, which is prior to the present invention, as shown in FIG. Each time, the pump (3) and the hose (4) are inserted into and removed from the bathtub (1), and the power supply (5) is inserted into and removed from the outlet (6). And there is a disadvantage that the operation is troublesome.

Further, as shown in FIG. 7, a pump unit (8) is arranged outside the bathtub (7), and by operating a start switch (10) of the jet bath pump (9), the pump discharge water is discharged. Circulate between the bathtub (7) and the nozzle (11)
There is known a so-called jet bath in which air is blown out together with air from an air inlet (12), and this bubble-entrained water is applied to a human body to obtain a massage effect, a cleaning effect, and a heating effect.

However, this type of conventional whirlpool has a drawback that the whirlpool pump (9) and the circulating water passage (13) are used only for circulating the jet water and are not effectively used.

(C) Problems to be Solved by the Invention The present invention solves the above-mentioned drawbacks, and uses the circulating water channel and the jet bath pump for supplying the remaining hot water.
An object of the present invention is to provide a bath remaining hot water utilization system having a simple structure and operation.

(D) Means for Solving the Problems The present invention provides a pump disposed outside a bathtub, a suction-side circulating water passage communicating the bathtub with the suction side of the pump, a discharge side of the pump, A circulating water passage on the discharge side that communicates with the bathtub, and a nozzle portion that takes in air at a connection portion between the circulating water passage on the discharge side and the bathtub and ejects bubbled water into the bathtub. A branch pipe communicating with the circulating water channel on the discharge side and piped so as to be able to supply water to equipment utilizing the remaining hot water, and only the branch pipe of the branch pipe and the circulating water channel on the discharge side is interposed. And a control device for controlling the opening and closing of the solenoid valve, wherein the control device opens the solenoid valve when supplying the remaining hot water in the bathtub to equipment utilizing the remaining hot water. In the case where water containing air bubbles is jetted into the bathtub, The solenoid valve is closed.

(E) Action According to the present invention, when the pump disposed outside the bathtub is driven by closing the solenoid valve provided in the branch pipe, the air is mixed into the bathtub at the nozzle portion by the discharge force of the pump. When the aerated water is injected and the electromagnetic valve is opened, the discharge water of the pump flows through the branch pipe having a smaller resistance than the passage resistance of the nozzle portion, so that the remaining hot water can be supplied to a device that uses the remaining hot water.

(F) Example Next, an example of the present invention will be described.

In FIG. 1, (14) is a bathtub, which has equipment for directly supplying hot water by a boiler and / or equipment for circulating and heating bathtub water. (15) is a pump unit arranged outside the bathtub (14) and houses a jet bath pump (16) and the like corresponding to the pump of the present invention. (17) is a hot water circulation channel for circulating the discharge water of the jet bath pump (16) with the bathtub (14). In the circulating water channel (17), the circulating water channel (17a) on the suction side of the jet bath pump (16) communicates with the bathtub (14) at the connection portion (18), and the circulating water channel (17b) on the discharge side is connected to the nozzle portion ( It is connected to the bathtub (14) at 19).

(20) is an air intake located above the bathtub (14).
The intake air is taken into the nozzle section (19) by the negative pressure, and is ejected from the nozzle section (19) as water containing air bubbles. The water containing air bubbles exerts a massage effect, a cleaning effect, a heating effect, and the like on the human body.

(21) is a jet operation switch arranged near the upper edge of the bathtub (14), and outputs an instruction signal corresponding to the on / off operation to control the on / off of the jet bath pump (16). .

(22) is a branch pipe communicating with the circulation water channel (17b) on the discharge side of the jet bath pump (16), in a state in which water can be supplied to the washing machine (23) corresponding to the apparatus using the remaining hot water of the present invention. It is plumbed. The branch pipe (22) is buried in the wall of a bathroom and a laundry room, etc. like the circulation channel (17). (24) is a control device for controlling water supply supplied from the branch pipe (22) to the washing machine (23), and is disposed at or near the operation panel section (25) of the washing machine (23). The control device (24) includes a microcomputer (not shown) and is configured to control the jet bath pump (16) and the like based on the control signal.

(26) is a solenoid valve that constitutes a part of the control device (24).
It is interposed in the branch pipe (22). (27) is a water supply start switch for instructing water supply to the washing machine (23). When the water supply start switch is operated, the water supply start switch generates an opening instruction signal for the solenoid valve (26). When a control signal is sent from the microcomputer to the jet bath pump (16) and the solenoid valve (26), the solenoid valve (26) is opened and functions to supply water to the washing machine (23). (28) is a water level sensor placed on the washing machine (23). When the water level reaches the upper limit, the solenoid valve (2
6) The opening instruction signal is generated, and based on this instruction signal, the solenoid valve (26) is closed, and at the same time, the jet bath pump (1) is opened.
6) works to stop. The control device (2
4) is linked as shown by the chain line.

Next, the configuration of the control device (24) will be described together with the operation of the above-mentioned remaining hot water utilization system.

In the remaining hot water utilization system, as shown in FIG.
When using the jet bath, turn on the jet operation switch (21) to turn on the jet bath pump (16).
Is activated and water containing air bubbles spouts from the nozzle portion (19).

When the remaining hot water is used, when the water supply start switch (27) is operated, the jet bath pump (16) starts and the solenoid valve is opened at the same time, and the discharge water of the jet bath pump (16) flows through the branch pipe (22). Through to the washing machine (23),
Thereafter, when the water level reaches a predetermined level, the jet bath pump (16) is stopped based on the instruction signal of the water level sensor (28), and at the same time, the solenoid valve (26) is closed. When the remaining hot water is used, the pump discharge water flows toward the nozzle portion (19), but the flow rate thereof is relatively larger than that of the solenoid valve (26) in which the passage resistance of the nozzle portion (19) is open. Because it is a small amount.

FIG. 3 shows a second embodiment. In the second embodiment, the control device (29) is provided with a timer (30) and a faucet (31), and as shown in FIG. In, opening the faucet (31) and turning on the timer (30) activates the jet bath pump (16) to supply water to the washing machine (23), and the timer (30) is turned off after a predetermined time. At this point, the whirlpool pump (16) is configured to stop. In the second embodiment, the other parts are configured in the same manner as in the first embodiment, are given the same reference numerals, and their explanation is omitted.

FIG. 5 shows a third embodiment. In the third embodiment, a solenoid valve (26) is provided in a branch pipe (22), and this solenoid valve (26) is opened and closed in conjunction with a timer (30). It is. In the third embodiment, the other parts are configured in the same manner as in the second embodiment, and are denoted by the same reference numerals and description thereof is omitted.

(G) Effect of the Invention Since the present invention is configured as described above, the remaining hot water in the bathtub can be supplied to equipment utilizing the remaining hot water with a simple structure by using the existing jet bath pump. Become
The operation of supplying water to the equipment using the remaining hot water, unlike the conventional pump device, can be easily performed without the need to insert and remove hoses, electric wires, and the like.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a first embodiment of the present invention, FIGS. 2 (a), 2 (b) and 2 (c) are flow charts of respective use states of the embodiment, and FIG. 3 is a second embodiment of the present invention. Schematic diagram of an example,
4 (a), 4 (b) and 4 (c) are flow charts of respective use states of the embodiment, FIG. 5 is a schematic configuration diagram of a third embodiment of the present invention, FIG. 6 is a conventional configuration diagram, FIG. FIG. 7 is another conventional configuration diagram. (14) Bathtub, (16) Jet bath pump,
(17) circulating water channel, (22) branch pipe, (23) washing machine, (24) control device, (26) solenoid valve, (27)
... water supply start switch, (28) ... water level sensor, (30)
… Timer, (31)… Faucet.

Claims (1)

(57) [Claims] 1. A pump disposed outside a bathtub, a suction-side circulating water passage connecting the bathtub and the suction side of the pump, and a discharge side passage connecting the discharge side of the pump and the bathtub. A circulating water channel, and a nozzle portion for taking in air into a connection portion between the circulating water channel on the discharge side and the bathtub and ejecting bubbled water into the bathtub, and communicating with the circulating water channel on the discharge side. A branch pipe piped in such a manner that water can be supplied to equipment utilizing the remaining hot water; a solenoid valve interposed only in the branch pipe between the branch pipe and the circulation channel on the discharge side; and the solenoid valve. A control device for controlling the opening and closing of the bath, the control device, when supplying the remaining hot water in the bathtub to equipment using the remaining hot water, opens the electromagnetic valve, and also introduces air bubbles into the bathtub When ejecting water, the solenoid valve is closed. The remaining hot water utilization system of the bath to be.