JPH023077Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to bath equipment in which a bathtub and a water heater are connected by a circulation path equipped with a pump.

[Conventional technology]

Conventional bath equipment does not take into account how to draw hot water from the bathtub, and it is necessary to use a basin, bucket, or a hose with a pump to draw hot water from the bathtub. It was something that should not have happened.

[Problem that the invention attempts to solve]

Therefore, in the above-mentioned conventional bath equipment, when pumping up the remaining hot water in the bathtub and reusing it as water for washing, etc., it requires human labor and is very inconvenient to pump it up with a basin or bucket. Further, when pumping with a hose equipped with a pump, it is necessary to prepare a hose equipped with a pump, which increases the cost.

An object of the present invention is to easily and easily pump up hot water in a bathtub without using a hose with a special pump by using a pump installed in a circulation path.

[Means for solving problems]

The characteristic configuration of the bath equipment according to the present invention is that the hose connection portion is located downstream of the water heater and pump in the circulator and at a position where hot water can be switched from supplying hot water to the bathtub to supplying hot water to the hose. It is located at the point where it is placed. The effects and effects thereof are as follows.

[Effect]

By switching the circulation path to supply hot water to the hose and activating the pump in the circulation path, the pump uses the pump to forcefully feed hot water in the bathtub to the hose connected to the hose connection part, and the hot water in the bathtub is You can pump hot water. Moreover, since the aforementioned hose connection part is placed downstream of the circulating water heater to pump up the hot water that has passed through the water heater, even if the hot water in the bathtub is at a low temperature, By operating the water heater, the low-temperature hot water in the bathtub can be heated and pumped up as high-temperature hot water.

[Effect of idea]

Therefore, the present invention does not require the time and effort required to pump water using a basin or bucket, and does not require the use of a hose with a special pump.
To provide bath equipment that can easily and inexpensively pump up hot water in a bathtub and advantageously reuse the remaining hot water in the bathtub.

〔Example〕

Hereinafter, embodiments of the present invention will be described based on the drawings.

As shown in FIG. 1, the bath equipment includes a bathtub 1, an instantaneous water heater 2, a radiator 3 for heating the bath, and a controller 4.
The water heating heat exchanger 2A is connected to the water heating heat exchanger 2A by a circulation path 6 with an electric pump 5, and the bathtub 1 is equipped with a water level sensor 7 that detects the water level in the bathtub 1 using water pressure as a parameter. ing.

The electric pump 5 is incorporated into the water heater 2 and is disposed upstream of the heat exchanger 2A. In addition, in the circulation path portion located between the electric pump 5 and the water heater 2 (that is, the heat exchanger 2A), a water supply channel 8 connected to the water supply is connected to a first three-way valve.
A hot water supply path 9 to the radiator ₃ is connected via a second three-way valve V 2 to a circulation path portion between the water heater 2 and the discharge port 6b to the bathtub ₁ . A hot water outlet path 10 from the radiator 3 is connected to the circulation path between the suction port 6a from the bathtub 1 and the electric pump 5 via a third three-way valve _V3 , The path 9 is connected to a branch path 11 via a fourth three-way valve _V , which is connected to a circulation path portion on the upstream side of the third three-way valve V3.

The first three-way valve V ₁ has a first position that connects a circulation path portion downstream from it to a circulation path portion upstream, and a first position that connects a circulation path portion downstream from it to the water supply channel 8. The second three-way valve _V2 is switched to the first position which connects the downstream circulation path section to the upstream circulation path section.
There is a hot water supply path 9 in the circulation path part on the upstream side of the position.
and a second position to connect the
The third three-way valve V ₃ has a first position that connects the circulation path portion downstream from the valve V 3 to the circulation path portion upstream, and a second position that connects the circulation path portion downstream from it to the hot water outlet path 10 . The fourth three-way valve _V4 connects the hot water supply path section downstream from the first position to the hot water supply path section downstream from the first position, and the fourth three-way valve V4 connects the hot water supply path section downstream from the first position to the hot water supply path section downstream from the first position. The switch is switched to the second position where the switch is connected to the branch path 11.

And, the circulation path 6 is connected to a hose connection part 12,
Thermistor 13 for detecting hot water temperature and water flow switch 1
3' and a vacuum breaker 14 for preventing backflow to the water heater 2. Said hose connection part 1
Reference numeral 2 denotes a discharge port 6b which is an example of a position in the circulation path 6 on the downstream side of the water heater 2 where the hot water supply state to the bathtub 1 can be switched to the hot water supply state to the hose H.
It is set in. In other words, the hose connection part 12
The discharge port 6b is formed in a shape to which a hose H can be connected, and the state of supplying hot water to the bathtub 1 to the state of supplying hot water to the hose H is changed by connecting the hose H. It is configured with an outlet 6b.

The controller 4, based on the operation information from the operation unit 15, the detection information from the water level sensor 7 and thermistor 13, and the water flow switch 13',
The water heater 2, the electric pump 5, each three-way valve V ₁ , V ₂ ,
V ₃ and V ₄ are controlled as listed below.

(B) When the operation information from the operation unit 15 is reheating mode information, as shown in FIG.
→ Water heater 2 → Bathtub 1 → Electric pump 5 so that it is in reheating mode that circulates and heats hot water in order.
At the same time, the operation of the water heater 2 is started by detecting the water flow of the water flow switch 13', and the operation of the water heater 2 is controlled so that the detection information of the thermistor 13 becomes the additional heating setting information from the operation section 15. , and each three-way valve V ₁ , V ₂ , V ₃ , V ₄ is switched to the first position.

(B) When the operation information from the operation unit 15 is information on the mode for filling the bathtub 1 with water, as shown in FIG. The operation of the water heater 2 is started by water flow detection by the water flow switch 13' so that the hot water filling mode is set, and the water heater 2 is started so that the detection information of the thermistor 13 becomes the hot water setting information from the operation unit 15. At the same time, the first three-way valve V ₁ is placed in the second position and the second three-way valve V ₂ is placed in the first position.
Switch to position. When hot water is filled to the set water level, the water level sensor 7 detects this and automatically stops the hot water filling.

(C) When the operation information from the operation unit 15 is heating mode information, as shown in FIG. 2C, the bathtub 1→
The electric pump 5 is operated so as to enter the heating mode in which hot water is circulated in the order of branch path 11 → radiator 3 → water heater 2 → bathtub 1, and the water heater 2 is operated by detecting the water flow of the water flow switch 13'. is started, and the detection information of the thermistor 13 is transmitted to the operating section 1.
The operation of the water heater 2 is controlled so that the setting information for heating is set from the first, second, and third three-way valves.
V ₁ , V ₂ , and V ₃ are switched to the first position, and the fourth three-way valve V ₄ is switched to the second position.

(D) When the operation information from the operation unit 15 is heating and filling mode information for the bathtub 1, as shown in FIG. 3, the water heater 2 starts operating by detecting the water flow of the water flow switch 13', and the thermistor The operation of the water heater 2 is controlled so that the detection information of 13 becomes the heating hot water filling setting information from the operation unit 15, and the first, second, and third three-way valves are
V ₁ , V ₂ , V ₃ in the second position and the fourth three-way valve V ₄ in the first position
Switch to position.

(E) When the operation information from the operation unit 15 is pumping mode information and the detection information from the water level sensor 7 is water level information above the suction port 6a, as shown in FIG. The electric pump 5 is operated so as to enter the first pumping mode in which the hot water inside the water heater 2 is guided to the hose connection part 12 through the water heater 2, and the water heater 2 is started to operate by detecting the water flow of the water flow switch 13'. The operation of the water heater 2 is controlled so that the information detected by the thermistor 13 becomes the pumping setting information from the operation unit 15, and each of the three-way valves V ₁ , V ₂ , V ₃ , and V ₄ is Switch to position.
On the other hand, if the detection information of the water level sensor 7 is water level information below the suction port 6a, it is determined that there is no hot water to be pumped up in the bathtub 1, and instead of the hot water in the bathtub 1, water is pumped from the water supply channel 8. The first three-way valve V 1 is set to the second position and the second three-way valve V ₂ is set to the first position so that water is heated by the water heater 2 and guided to the hose connection part ₁₂ in the second pumping mode. At the same time, the operation of the water heater 2 is started by the detection of the water flow switch 13', and the operation of the water heater 2 is controlled so that the detection information of the thermistor 13 becomes the pumping setting information from the operation unit 15. Note that the operation in the first pumping mode may be performed while supplying water to the bathtub 1 from an originally provided water tap (not shown) for the bathtub 1.

According to the configuration of the embodiment described above, hot water in the bathtub 1 can be pumped up using the electric pump 5 of the circulation path 6, and even if the hot water in the bathtub 1 is at a low temperature, the water heater 2 can pump up the hot water as desired. It can be pumped up after being heated to a temperature of . In addition, even if the hot water in the bathtub 1 to be pumped runs out in the first pumping mode,
The water level sensor 7 detects this and enters the second pumping mode, so that pumping can be continued.

[Another example]

Next, another embodiment of the present invention will be shown.

In the above embodiment, the flow of hot water in the first pumping mode and the reheating mode is the same, and
Focusing on the fact that the flow of hot water in the second pumping mode and hot water filling mode is the same, the reheating mode can be used as the first pumping mode, and the hot water filling mode can be used as the second pumping mode. Use for both purposes.

In the above embodiment, the hose connection section 12 is configured with the discharge port 6b of the circulation path 6, and by inserting the hose H into the hose connection section 12, the circulation path 6 is changed from the hot water supply state to the bathtub 1 to the hose H. However, in the present invention, as shown in Fig. 4, the operator is made aware that hot water is being supplied to the hose H by inserting the hose H. 6, the hose connection part 12 is branched and connected to the downstream side of the pump 5 and the water heater 2, and the destination of hot water from the water heater 2 is connected to the discharge port 6.
It can also be implemented by providing a three-way valve V that selectively switches between b and hose connection 12. In other words,
The circulation path 6 is configured to switch the hot water supply state to the bathtub 1 to the hot water supply state to the hose H by a three-way valve V, and the hose connection part 12 is arranged downstream of the three-way valve V. In this case, since hot water can be supplied to the bathtub 1 while the hose H is connected to the hose connection part 12, it is troublesome to insert the hose H into the hose connection part 12 one by one when pumping hot water in the bathtub 1. is not necessary.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a schematic configuration diagram, FIG. The figure is a schematic configuration diagram showing another embodiment. 1... Bathtub, 2... Water heater, 5... Pump, 6
...Circulation path, 12...Hose connection part, H...Hose.

Claims (1)

[Scope of utility model registration request] A bath facility in which a bathtub 1 and a water heater 2 are connected by a circulation path 6 with a pump 5, and a hose connection part 12
is disposed in the circulator 6 on the downstream side of the water heater 2 and the pump 5, and at a position where hot water can be switched from supplying hot water to the bathtub 1 to supplying hot water to the hose H.