JPH05200087A - Pump with filter for bubble bath - Google Patents

Abstract

(57) [Summary] [Purpose] Realization of a pump with a filtration device that efficiently filters bath water. [Structure] The pump with a filter for the bubble bath is the bubble bath 2
A flow control valve 5 is provided on the discharge side pipe 4 of the pump with a filtering device, which has a connecting portion between the suction side pipe 3 and the discharge side pipe 4, and a pipe between the pump discharge side pipe 4 and the flow control valve 5. Pumping motor for a pump with a filtering device, in which a water supply pipe 6 from the section to the filtering device 10 is provided, and further a return pipe 7 from the filtering device 10 is provided in the pipe portion between the flow rate control valve 5 and the bubble bath 2. 8 is frequency-controlled by an inverter circuit 9, and during filtration operation, the number of rotations of the pump is made low to reduce pump performance, the flow control valve 5 shuts off the pipe between the pump and the bath, and the bath discharged from the pump. The filtration performance is improved by sending all the water to the filtration device, and during the bubble operation, the water is sent to the filtration device 10 due to the valve opening of the flow control valve 5 and the pressure difference between the pump side and the bath side of the flow control valve 5. Efficiency by Black carry out the over-operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pump with a filter for a bubble bath.

[0002]

2. Description of the Related Art A conventional pump with a filter for a bubble bath of this type has a structure as shown in FIG. In FIG. 4, the discharge side pipe 13 that connects the pump 11 and the bubble bath 12
Connect the water supply pipe 15 to the filtration device 14 from the
The suction pipe 16 connecting the 11 and the bubble bath 12 was connected to the return pipe 17 from the filtering device 14. The water supply to the filtering device 14 was due to the pressure difference between the discharge pipe 13 and the suction pipe 16.

[0003]

However, in the above-mentioned conventional structure, only a part of the bath water discharged from the pump is sent to the filtering device, and the bath water filtered once through the filtering device is again supplied. There is a problem that it is sent to the inside of the pump, mixed with the bath water, and then returned to the bath. Moreover, the filtration operation is performed only while the bubble bath is operating, and it is not possible to sufficiently filter the bath water. .. The present invention solves the above conventional problems, and an object of the present invention is to provide a pump with a filtration device for a bubble bath that efficiently filters bath water.

[0004]

In order to achieve the above object, the present invention provides a flow control valve in a discharge side pipe of a pump with a filtering device having a connection portion of a bubble bath and a suction side pipe and a discharge side pipe. A filtration device in which a water supply pipe is provided from a pipe portion between the discharge side pipe and the flow control valve to the filtration device, and a return pipe from the filtration device is further provided in a pipe portion between the flow control valve and the bubble bath. The frequency of the pump drive motor of the built-in pump is controlled by the inverter circuit, and during the filtration operation, the pump speed is lowered to lower the pump performance, and the flow control valve shuts off the piping between the pump and the bathtub. , Improve the filtration performance by sending all the bath water discharged from the pump to the filtration device, and in the case of normal bubble operation, depending on the valve opening of the flow control valve, It is obtained to perform the filtration operation efficiently by water to the filtration device by a pressure difference between the pump side and the tub-side of the flow control valve.

[0005]

Therefore, according to the present invention, when the bubble bath while bathing in the bath is operated as in the prior art, the bath water discharged from the pump is flowed by the opening degree of the flow control valve provided on the discharge side. Due to the pressure difference between the pump side and the bath side of the control valve, water is sent to the filtering device, and the filtered water filtered by the filtering device is discharged into the bath without returning to the inside of the pump. In the case of only filtration operation, the frequency of the pump drive motor is controlled by the inverter circuit, the pump performance is reduced, the piping between the pump and the bath is cut off by the flow control valve, and all the bath water discharged from the pump is filtered. By sending the water to the bath and then to the bath, the filtration operation can be performed efficiently.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the configuration of a pump with a filter for a bubble bath according to an embodiment of the present invention. In FIG. 1, the pump 1 and the bubble bath 2 are the pump suction side piping 3
And the pump discharge side pipe 4,
A flow rate control valve 5 is attached to the pump discharge side pipe 4. The water supply pipe 6 is attached to the filtering device 10 from the discharge side pipe part 4a between the pump 1 and the flow control valve 5, and the discharge side pipe part 4b between the bubble bath 2 and the flow control valve 5. A return pipe 7 from the filter device 10 is attached to the. The pump 1 is driven by a drive motor 8, and the drive motor 8 is operated by a power source controlled by an inverter circuit 9. Next, the operation of the above embodiment will be described. First, in the case of normal bubble generation operation, when the opening degree of the valve 5a of the flow control valve 5 is determined as shown in FIG. 2 (a), the pressure of the discharge side pipe portion 4a (high pressure side)
Then, a difference occurs in the pressure (low pressure side) of the discharge side pipe portion 4b. A part of the bath water discharged from the pump 1 due to this pressure difference is sent to the filtration device 10 through the water supply pipe 6 to the filtration device. The bath water filtered by the filtration device 10 is returned to the filtration pipe from the filtration device. The flow rate of filtration can be controlled by flowing through 7 to the bubble bath 2 and controlling the valve 5a of the flow rate control valve 5. Next, in the case of only filtration operation, Fig. 2 (b)
As shown in Fig. 5, the valve 5a of the flow control valve 5 shuts off the discharge side piping portions 4a and 4b, and at the same time, the inverter circuit 9 adjusts the frequency so that the filtration performance of the filtration device 10 becomes optimum. By controlling and driving the driving motor 8 with this power source, all of the bath water discharged from the pump 1 is filtered most efficiently. The flow of bath water at this time passes through the water supply pipe 6 to the filtering device. The bath water sent to the filtration device 10 and then filtered by the filtration device 10 flows through the return pipe 7 from the filtration device to the bubble bath 2. FIG. 3 shows the pump characteristics during the normal bubble generation operation and the pump characteristics only during the filtration operation of this embodiment. As shown in Fig. 3, the inverter circuit controls the power frequency of the pump.
By lowering the frequency to 20Hz and performing filtration operation, the power consumption of the pump could be reduced to about 1/5. A heater for keeping the temperature of the bath water constant may be attached to the return pipe from the filtering device or the discharge side pipe from the pump.

[0007]

As is apparent from the above-described embodiments of the present invention, when the bubble bath is operated while bathing in the bathtub, the bath water discharged from the pump is opened by the flow control valve provided on the discharge side. Due to the pressure difference between the pump side and the bath side of the flow control valve, the filtered water is sent to the filtering device, and the filtered water filtered by the filtering device is discharged into the bath without returning to the pump side. The frequency of the pump drive motor is controlled by the inverter circuit, the pump performance is reduced, the flow control valve shuts off the piping between the pump and the bath, and all the bath water discharged from the pump is sent to the filtration device, and then sent to the bath. By doing so, there is an effect that the filtering operation can be efficiently performed and the power consumption during the filtering operation can be reduced.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a pump with a filtering device for a bubble bath according to an embodiment of the present invention.

FIG. 2 is a diagram showing a valve opening degree of a flow rate control valve in one embodiment of the present invention.

FIG. 3 is a characteristic diagram of a pump with a filter for a bubble bath according to an embodiment of the present invention.

FIG. 4 is a configuration diagram of a conventional pump with a filtration device for a bubble bath.

[Explanation of symbols]

1, 11 ... Pump, 2, 12 ... Bubble bath, 3 ... Pump suction side piping, 4 ... Pump discharge side piping, 5 ... Flow control valve, 6 ... Water supply piping, 7, 17 ... Return piping, 8 ... Drive motor , 9 ... Inverter circuit, 10, 14 ... Filtration device, 10a ... Filter material, 10b ... Filter bed, 13 ... Discharge side piping,
15… water supply piping, 16… suction piping.

Claims (3)

[Claims] 1. A flow control valve is provided in a discharge side pipe of a pump with a filter having a bubble bath, a suction side pipe, and a discharge side pipe connecting portion, and a pipe portion between the pump discharge side pipe and the flow control valve is provided. A pump drive motor for a pump with a filtration device, which has a water supply pipe to the filtration device and a return pipe from the filtration device in the pipe portion between the flow control valve and the bubble bath, is frequency-controlled by an inverter circuit. During the filtration operation, lower the pump speed to
The pump performance is lowered, the pipe between the pump discharge pipe and the bathtub is blocked by the flow control valve, all the bath water discharged from the pump is sent to the filtration device, and the filtered bath water is returned to the bath. A pump with a filtering device for a bubble bath. 2. In the normal bubble operation, water is supplied to the filtration device by the valve opening of the flow control valve and the pressure difference between the pump side and the bath side of the flow control valve. Pump with filtration device for bubble bath. 3. A pump with a filtration device for a bubble bath according to claim 2, wherein a heater device for keeping the temperature of the bath water constant is attached to the return pipe from the filtration device or the water supply pipe from the pump.