JPH0316568A - Flowing water rate control apparatus in flowing water bathtub - Google Patents

Abstract

PURPOSE:To control the discharge amount and pressure of flowing water by driving a drive motor for driving a flowing water recirculation pump through an inverter having frequency converting function. CONSTITUTION:A controller 22-2 having a microcomputer mounted therein is operated by turning the operating switch 22-1 of a control part C ON. The controller 22-2 transmits a signal to six switching elements 20 of a switching circuit 19 through an inverter control circuit 21. The frequency of the power supplied to a drive motor 10-1 for a flowing water recirculation pump is controlled by the circuit 19 and the number of rotations of the flowing water recirculation pump 2 is controlled in a speed variable state to freely control the discharge amount and pressure of flowing water. In connection with this control, inverters 11-2, 11-3 on a jet nozzle side are controlled by the controller 22-2. Drive motors 10-2, 10-3 for control valves are controlled by the inverter 11-2 to control the opening end closing of control valves 8-1, 8-2.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to a water flow rate control device in a flowing water bath tθ.

(b) Conventional technology Conventionally, a bathtub is provided with a running water spout and a running water suction port, and while the suction port and the water spout are connected by a circulation flow path equipped with a running water circulation pump, the water is flowed from the spout toward the suction port. There are running water baths that allow a certain amount of running water to flow.

(C) Problems to be Solved by the Invention However, in the above-mentioned running water bath, only a fixed amount of water flows from the water spout toward the suction port, and the water flow cannot be adjusted to suit the bather's preference. It was something. Therefore, there has been a desire for a running water bathtub that can change the amount of water flowing depending on whether the bather is a child or an adult.

(2) Means for solving the problem In the present invention, a running water spout is provided on one side of the bathtub, a running water suction port is provided on the opposite side, and the suction port and the spout are connected to each other.
In a running water bathtub connected by a circulation channel equipped with a running water circulation pump, the rotation speed of the running water circulation pump can be changed by driving the drive motor that drives the running water circulation pump via an inverter having a frequency conversion function. It is an object of the present invention to provide a flow rate control device for a flowing water bath tank, which is characterized by controlling the discharge amount and discharge pressure of flowing water.

The present invention is also characterized in that the amount and pressure of water jetted into the bathtub can be controlled by opening and closing the water spout.

(E) Function/Effect When a bather turns on the operating switch of the drive motor that drives the water circulation bomb, the drive motor is started by the action of the inverter having a frequency conversion function. and,
By changing the rotation speed of the drive motor via an inverter, it is possible to control the amount and pressure of water discharged from the water circulation bomb. It is something that can be changed.

Therefore, in the bathtub, it is possible to create a flowing water condition suitable for the bather, and the bather can enhance the bathing effect while receiving the impact of the gushing running water on the body.

In addition, by controlling the rotation speed of the water circulation pump, the amount of water ejected from the ejection nozzle is initially reduced to a small amount, gradually reducing the amount to 1, and then abruptly stopping the ejection. By combining with control,
The amount of water discharged can be changed to make the bathing effect even more effective.

(F) Example An example of the present invention will be described in detail with reference to the drawings. In FIG. 1, (A) shows a flowing water bath according to the present invention, and the flowing water bath tff (A) is as follows. Bath {convex (1) and same bath (1)
), a flowing water suction channel (3) and a forced flowing water channel (4) are interposed between the flowing water circulation pump (2) installed outside of the A flowing water spout (5) is connected in communication with the bath 1 (1) to open it into the bath 1 (1), and an air intake part (6>) is connected in communication with the same flowing water forced flow channel (4>) to prevent air bubbles from blowing. The bath m(1) is configured to eject running water (B) into the bath m(1).

Moreover, the flowing water spout (5) is provided with an upper back spout nozzle (5-1) and a lower back spout nozzle (5-2) in two stages, upper and lower.

(7) is a running water inlet provided on the opposite side of the running water spout (5), and an upper running water inlet (7-1) and a lower running water inlet (7-2) are provided in upper and lower two stages. ing.

(8-1) and (8-2) are regulating valves that open and close the flowing water spout (5) provided in the flowing water forced flow path (4), and the upper regulating valve (8-1) is the back upper side spout nozzle. (5-1) is used for opening and closing operations. Further, the lower adjustment valve (8-2) opens and closes the lower back side ejection nozzle (5-2).

(4-1) and (4-2) are branch pipes provided in the forced flowing water channel (4) and connect the respective jet nozzles (5-1) and (5-2). (3-1) (3-2) is a branch blue provided in the flowing water suction channel (3>) and the flowing water suction port (7-1)
(7-2) is repeated.

(10-1) is a drive motor that drives the flowing water υl one-ring bomb (2), and while changing the rotation speed via the inverter (N-1), this drives the flowing water amount control device (C).
It is possible to control the discharge amount and discharge pressure of flowing water (B) by forming one part.

(10-2) opens and closes the upper back jet nozzle (5-1); 'A71 A drive motor that drives the valve regulator (8-1), which can freely reverse iE rotation via the inverter (11-2). It becomes.

(10-3) is a drive motor that drives a regulating valve (8-2) that opens and closes the backing side jet nozzle (5-2), and it rotates in forward and reverse directions via an inverter (II-3). It becomes.

Moreover, FIG. 2 is a detailed diagram of the inverter (I1-1) having a frequency conversion function connected to the drive motor (1.0-1), in which (12) is the Oj. I eye exchange 1.
Inverter (II-1) with 71 ruff of O O V
It is connected to the converter section (l3) inside. The converter section (l3) having the diode (l4) operates a rectifier circuit (i5) that rectifies the alternating current voltage. (16) is a smoothing circuit connected to the rectifier circuit (15),
A constant DC voltage is obtained by a choke coil (17) and a capacitor (18).

(l9) is a switching circuit connected to the rectifier circuit (l5), and has six switching elements (20).

The switching circuit (19) drives the drive motor (10-1) at a frequency controlled by the switching circuit inverter control circuit (2l).

Further, (22> is a control unit, and the inverter control circuit (
2l) and the inverter (11-2) on the regulating valve (8) side
It is also connected to the inverter (11-3) on the J1 valve regulating (9) side.

The control unit (22>) is equipped with an operation switch (22-1) for ON-OFF operation and a controller (22-2) containing a microcomputer. Circulation pump drive motor (1
0-1), and also controls the drive motors (10-2) (10-3) on the jet nozzle side.

Then, the controller (22-2) and the inverter (11-1) make it possible to change the rotation speed of the water exposure ring pump (2), thereby adjusting the water discharge amount and discharge pressure to the mortar 7E.
It can be controlled.

Next, the controller (22-2) and the inverter (1
1-1) (11-2) (II-3) To explain the control method of each drive motor (10-1) (10-2) (10-3), in Fig. 3, the drive motor for the running water circulation pump In the operating state (a), the motor (10-1) rotates slowly at low speed at first, and then gradually rotates at high speed.

After that, the input is made so that the operation can be repeated automatically with the sudden stop tL state (b). Therefore, the running water circulation pump (2) driven by the drive motor (10-1) (B) eruption and;
The system stops intermittently.

In conjunction with this, on the jet nozzle side, the drive motor (io-2) (
10-3) to open and close the regulating valves (8-1) and (8-2), input the first jet of running water (B) to be jetted from the upper back spout nozzle (5-1). has been done. Then, the next stream of water (B) is ejected from the lower back side ejection nozzle (5-2).

Then, the above-mentioned jetting order is repeated to form an appropriately shaped flowing water state in the bathtub.

In addition, on the running water suction side, the upper and lower running water suction ports (7
-1) (-2) It is possible to suck in running water.

Therefore, as shown in Figure 4, the running water flows toward the back of the bather (
a) It is ejected vertically across the bathtub towards the feet (>).

Furthermore, the controller (22-2) can sequentially change the order of ejection from each of the ejection nozzles (5-1) and (5-2), and in this case, the water flow state is changed. And the jet nozzle (5-1) (5-2
) by providing two on the left and right sides, a total of four jet nozzles can be opened and closed as appropriate to create a wide variety of water jet conditions. In addition, a running water circulation bomb (
The rotating direction of 2) can also be rotated in the opposite direction to the above to eject running water from the suction port side.

Additionally, as shown in Figure 5, there is a running water spout (
5), and a running water suction port (7) may be provided on the left side so that running water can be spouted across the bathtub from the left side (g) to the right side (h) of the bather. .

The embodiment of the present invention is structured as described above, and therefore, the operation switch (22-1) of the control section (C) is turned on.
When operated, a controller (22-2) containing a microcomputer is activated. In addition, the same controller (22
-2) connects the six switching elements (20> of the switching circuit (19) through the inverter control circuit (21)).
Communicate to. The switching circuit (19) controls the frequency of power supplied to the running water circulation pump drive motor (10-1).Then, the rotational speed of the running water circulation pump (2) can be changed. to freely control the discharge amount and discharge pressure of flowing water.In conjunction with this, the controller (22-2) controls the inverters (11-2) (11-3) on the jet nozzle side. It is something.

The inverter (11-2) on the jet nozzle side drives the regulating valve drive motors (10-2) and (10-3) to open and close the regulating valves (8-1 and 8-2). .

Therefore, as shown in Fig. 3, as the running water circulation pump drive motor (i0-1.) automatically repeats the operating state and sudden stop state, the running water circulation pump (2) , flowing water (B) is spouted intermittently.

On the nl output nozzle side, a regulating valve (8-1)
(8-2> Opening/closing and intermittently spouting water (B)
is initially ejected from the ejection nozzle (5-1) on the upper back side. Then, it is ejected from the ejection nozzle (5-2) on the lower back side. By repeating this process, various different running water conditions can be created in the bathtub, and the bather can enhance the bathing effect while receiving the impact of the running water (B) on his or her body.

As described above, according to the present invention, the running water spout (5) is provided in one example of the bath 1 (1), and the running water suction port (5) is provided on the side opposite thereto.
7), and the water circulation pump (2) is driven in a water bath in which the suction port (7) and the spout (5) are connected by a circulation channel (3) equipped with a water circulation bomb (2). By driving the driving motor (10-1) via the inverter (11-1) having a frequency conversion function, the rotational speed of the running water circulation pump (2) can be changed, and the running water (B
) by controlling the discharge amount and discharge pressure of bath I! Since the flowing water condition changes as desired, it is possible to easily change the rotation speed of the flowing water circulation pump (2) by installing various inverters (11-1). In addition, it is possible to create a flowing water condition in the bathtub that is suitable for the bather, so that the bathing effect for the bather can be enhanced.

In addition, by spouting running water intermittently and sequentially changing the position of the running water, various running water conditions can be created within the Mte and +H can be achieved.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a side sectional view of a running water tank according to the invention, Fig. 2 is a block diagram showing the inverter slider, and Fig. 3 is a drive motor. 4 and 5 are schematic plan views showing the usage state of the running water mt building. (1): Bathtub (2); Running water circulation bomb (3): Running water suction channel (4>: Running water forced flow channel (5)/running water spout (7): Running water suction port (10-1): Drive Motor (10-2): Drive motor (10-3): Drive motor (11-1): Inverter (11-2): Inverter (11-3): Inverter (^): Running water bath (B>: Running water ( C) Secondary water flow control device

Claims (1)

[Claims] 1) A running water spout (5) is provided on one side of the bathtub (1), a running water suction port (7) is provided on the opposite side, and the water suction port (7) is provided on the opposite side.
) and the spout (5) are connected by a circulation channel equipped with a running water circulation pump (2), in which a drive motor (10-1
) through an inverter (11-1) having a frequency conversion function, the rotational speed of the flowing water circulation pump (2) can be changed, and the discharge amount and discharge pressure of the flowing water (B) can be controlled. A flow rate control device in a running water bath characterized by: 2) The flowing water in the flowing water bathtub according to claim 1, characterized in that the discharge amount and discharge pressure of the flowing water into the bathtub (1) can be controlled by opening and closing the flowing water spout (5). Volume control device.