JPH06185458A - Bath drainage device - Google Patents

Abstract

PURPOSE:To enable space reduction and construction saving of a device by draining water according to respective drainage quantities from the bathtub side and the washing place side as well as to make the device particularly effective in a bathroom or the like in the basement. CONSTITUTION:A device is composed of a drainage tank 2 installed under a bathroom floor so as to introduce waste water of a bathtub and a washing place and two different drainage capacity pumps 4 and 5 connected to this drainage tank 2, and pressurizing drainage is carried out according to respective drainage quantities from the bathtub and the washing place.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath drain device. More specifically, the present invention is useful in underground installed bathrooms and the like, which can drain water according to the amount of drainage on the bathtub side and the washroom side, and also enables space saving and construction of equipment. It concerns a drainage system.

[0002]

2. Description of the Related Art Conventionally, for bath equipment installed in a bathroom of a house or the like, in order to obtain a more comfortable bath or to simplify the construction work,
Those having various configurations have been provided. As shown in FIG. 3, for example, this bath facility generally has two areas which are divided into a bathtub (a) and a washing area (a). The water is drained from the drain outlets (c) and (d) provided in the bathtub (a) and the washing area (a), respectively.

Since the water quality, the amount of drainage, the discharge rate, etc. of the bathtub (a) side and the washroom (a) side are different, for example, a bathroom is installed underground in order to make an advanced use of the living space. In some cases, the drainage device as illustrated in FIG. 4 is also used. In this drainage device, for example, a drainage tank (e) is installed under the floor of the bathroom and is connected to the bathtub (a) side and the washroom (a) side. Inside the drainage tank (e), one submersible pump (f) for pressurized drainage to the ground is installed. The submersible pump (f) is adapted to operate in response to water level detection by a water level sensor (g) provided inside the drainage tank (e). The operation control of the submersible pump (f) by the water level sensor (g) is performed via the control device (h).

In such a drainage device, the drainage water from the bathtub (a) and the washing place (a) is once introduced into the drainage tank (e) and a predetermined water level in the drainage tank (e) is detected by a water level sensor ( (G), and the submersible pump (f) pressurizes and drains to the ground.

[0005]

[Problems to be Solved by the Invention] Generally, a washing place (a)
If you use a shower etc. in the
20 l / min, the amount of drainage from the bathtub (a) is 40 to 50 l
/ Minute. When these drainages are drained by one submersible pump (F) in the drainage device as illustrated in FIG. 4,
Due to the problem of drainage capacity, a submersible pump (f) with a drainage rate of 40 to 50 l / min will be used. However, in this case, when the amount of drainage is small, such as when using a shower, the submersible pump (f) repeats its operation intermittently, and problems such as noise and vibration are pointed out.

Further, in the conventional drainage device, since the drainage tank (e) having a large capacity is used, the installation space is enlarged, and moreover, the special construction is required and the construction is very troublesome. The present invention has been made in view of the above circumstances, eliminates the drawbacks of the conventional bath drainage device, and is useful in underground installed bathrooms and the like, and responds to the drainage amount of each of the bathtub side and the washroom side. It is an object of the present invention to provide a new bus drainage device that can be drained by means of water, and that also saves space and construction.

[0007]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a drainage tank installed under the floor of a bathroom for introducing drainage from a bathtub and a washing place and a drainage capacity connected to this drainage tank. (EN) A bath drainage device comprising two pumps and performing pressurized drainage according to the amount of drainage from a bathtub and a washing place.

In the present invention, it is also preferable that a water level sensor is provided to control the operation of the two pumps in accordance with the amount of drainage from the bathtub and the washing area.

[0009]

[Operation] In the bath drainage device of the present invention, two pumps having different drainage capacities are connected to the drainage tank installed under the floor of the bathroom for introducing the drainage from the bathtub and the washroom, and the drainage amount from each of the bathtub and the washroom is increased. Pressurize and drain according to. Therefore, problems such as noise and vibration associated with the pump operation are solved. In addition, the capacity of the drainage tank can be reduced, no special work is required for installing the device, and the drainage device is space-saving and construction-saving.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The bath drainage device according to the present invention will be described in more detail below with reference to the accompanying drawings. Figure 1
FIG. 1 is a side view showing an embodiment of a bus drainage device of the present invention. For example, in the example of FIG. 1, the drainage tank (2) is arranged under the floor of the bathroom floor (1), and the drainage port (3) provided on the bathroom floor (1) is provided in the drainage tank (2). ) Is connected to. Although not shown, the drainage from the bathtub and the washing place is introduced into the drainage tank (2) through the drainage port (3).

Two pumps (4) and (5) having different drainage capacities are connected to the drainage tank (2) via a piping system. The drainage from the bathtub and the washing place introduced into the drainage tank (2) is pressurized and drained to the ground or the like by these pumps (4) and (5). In the example of FIG. 1,
The drainage capacity of the pump (4) is made larger than that of the pump (5). Further, the connection position of the pump (4) to the drain tank (2) is set higher than the connection position of the pump (5).
To these pumps (4) and (5), a drain pipe (6) for pressurized drainage to the ground is connected, and a ventilation pipe (7) is connected to the drain tank (2) for pressure adjustment and the like. ing.

Further, the drainage tank (2) is provided with a water level sensor (8) for detecting the water level of the drainage introduced into the drainage tank (2). This water level sensor (8) can detect, for example, three water levels L, M and H. For example, as illustrated in FIG. 2, the drainage tank (2)
When the three water levels L, M, and H of are set to 50 cm, 150 cm, and 210 cm from the sensor reference plane, the output voltage of the water level sensor (8) at each water level is the water level-output voltage of the following equation. By correlation,

[0013]

[Equation 1]

The values are shown in Table 1, respectively.

[0015]

[Table 1]

Based on these output voltages, the operations of the two large and small pumps (4) and (5) illustrated in FIG. 1 are controlled.
The operation modes of the pumps (4) and (5) are set according to the amount of drainage from the bathtub and the washing place. For example, as illustrated in Table 2,

[0017]

[Table 2]

In the case of a small amount of drainage (20 l / min or less) when using a shower or the like at the washing place, the drainage tank (2)
Pump with low drainage when the water level reaches M (5)
Only activate. At this time, the pump (4) is stopped. Then, as a result of the drainage by the pump (5), the water level L
Then, the pump (5) is stopped. On the other hand, in the case of a large amount of drainage (50 l / min or less) such as when draining a bathtub, Table 3
As illustrated in

[0019]

[Table 3]

Similar to the small amount drainage described above, when the water level in the drainage tank (2) is M, only the pump (5) is operated to drain the water. Despite the pressurized drainage by the pump (5), when the amount of water introduced into the drainage tank (2) increases and the water level becomes H, the pump (4) is activated and the pressurized drainage together with the pump (5). I do. As a result, when the water level in the drainage tank (2) decreases to the water level M, the pump (4) with a large amount of drainage is stopped and only the pump (5) continues to operate. Then, when the water level becomes L, the pump (5)
Also stop.

As described above, in the bath drainage device of the present invention, the drainage from the bathtub and the washing place introduced into the drainage tank is pressurized by operating two pumps having different drainage capacities according to the amount of drainage. can do. It is possible to drain water according to the amount of drainage from the bathtub and washing place. Moreover, unlike the conventional single pump, the intermittent operation of a large pump with large drainage capacity is not repeated,
No worries about noise or vibration. In addition, since the capacity of the drainage tank installed under the floor of the bathroom can be made as small as about 5 liters, the installation space is omitted and no special work is required. The workability of the bus drainage system is improved.

Of course, the present invention is not limited to the above examples. It goes without saying that various aspects are possible for details such as types and structures of the pump and the water level sensor.

[0023]

As described above in detail, according to the present invention, it is possible to drain water according to the drainage amount on the bathtub side and the drainage amount on the washroom side, and at the same time, it is possible to reduce the size and space of the apparatus and to save construction work. It is also effective for bathrooms installed underground.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a bath drainage device of the present invention.

FIG. 2 is a cross-sectional view illustrating a drainage tank.

FIG. 3 is a perspective view illustrating a bus facility.

FIG. 4 is a cross-sectional view showing a conventional bath drainage device.

[Explanation of symbols]

 1 Bathroom floor 2 Drain tank 3 Drain port 4,5 Pump 6 Drain pipe 7 Vent pipe 8 Water level sensor

Claims (2)

[Claims] 1. A drainage tank installed under the floor of a bathroom for introducing drainage from a bathtub and a washroom, and two pumps having different drainage capacities connected to the drainage tank. A bath drainage device that is capable of pressurizing and draining in a corresponding manner. 2. The bath drainage device according to claim 1, further comprising a water level sensor for controlling the operation of the two pumps.