JPH0330770Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention is an energy-saving and highly economical method for heating bathtubs and bathtubs using heat pumps, which can heat a bathtub and dehumidify a bathroom using the same heat pump.
This invention relates to a bathroom dehumidifier.

[Conventional technology]

In recent years, heat pumps have been increasingly used to heat bathtubs and dehumidify bathrooms.

FIG. 9 shows an example of a conventional bathtub heating device using a heat pump, in which a compressor 1, a heat exchanger 3a in a bathtub 3, a pressure reducing device 4a, and an evaporator 5a are connected to a refrigerant circuit 1.
The refrigerant that absorbs heat from the outside in the evaporator 5a is converted into high-temperature, high-pressure gas by the compressor 1, which heats the bathtub water in the bathtub 3 when the heat is radiated in the heat exchanger 3a.

Next, although the equipment for dehumidifying bathrooms and the like is not shown, air from bathrooms, etc. is sucked into the heat pump unit, flows around the evaporator and condenser, and is cooled and dehumidified by the evaporator.The dehumidified air is then sent to the condenser. A circulation method is used in which heat pumps are heated and then blown out into bathrooms, etc. Recently, heat pumps have been increasingly used to dehumidify bathrooms, especially in condominiums, for purposes such as drying laundry. Ta.

Furthermore, dehumidifiers with a water heater have been known that can preheat and dehumidify bath water by switching the refrigeration cycle (for example,
55-127924).

[The problem that the idea attempts to solve]

Among the conventional technologies, the former uses separate heat pump units for dehumidifying the bathroom and heating the bathtub water, so there is a problem that it is not economical to use an expensive heat pump unit alone. had.

Although the latter disclosed in Japanese Utility Model Application Publication No. 55-127924 has the advantage of being versatile, it does not have anything to control the flow of air, so the cold air does not flow through the air, especially when heating water. However, there was a problem in that the air temperature in the bathroom or laundry room where this device was installed would drop due to the exhaust air.

The present invention was devised in view of these problems of the conventional technology, and its purpose is to create a highly economical, energy-saving and compact design, and to lower the room temperature of the bathroom even when the bathtub water is heated. The aim is to provide a bathtub heating/bathroom dehumidifying device that utilizes a heat pump.

[Means to solve the problem]

In order to achieve the above object, the heat pump-based bathtub heating/bathroom dehumidification device of the present invention has a casing that includes a plurality of vents that can be opened and closed on the inside wall of the bathroom and the outside wall of the bathroom opposite to the side wall. an evaporator, wherein a partition member is attached to divide the vent into upper and lower sides of the side wall and form a vertical opening on either of the side walls, and the evaporator is connected to the lower part of the partition member through a refrigerant circuit; condenser, compressor,
It consists of a heat pump unit that houses a pressure reducing device, a switching valve, a fan, etc., and a bathtub equipped with a heat exchanger that communicates with the refrigerant circuit. In addition to closing the opening, the vertical opening is formed on the inner wall of the bathroom by the partition member, and when dehumidifying the bathroom, the vent on the inner wall of the bathroom is opened and the vent on the outer wall of the bathroom is closed. A vertical opening is formed on the outside wall of the bathroom.

To explain the above with reference to FIG. 1 corresponding to one embodiment of the present invention, 7 is a wall 14 that partitions the inside and outside of the bathroom.
This is a heat pump unit installed in the bathroom inner wall 11 and the bathroom outer wall 1 in the casing 2.
2 are provided with vents 11a and 12a that can be opened and closed by louvers 11b and 12b, respectively.

Reference numeral 10 denotes a partition member configured to be slidable in the direction indicated by the arrow in the figure until one end abuts the inside of the bathroom inner wall 11 or the bathroom outer wall 12.

Furthermore, below the partition member 10, an evaporator 5, a condenser 9, a compressor 1, a pressure reducing device 4, and switching valves 8a and 8 are provided.
b, 8c, 8d and a refrigerant circuit 13 that communicates them.
and a fan 6 are housed.

Further, 3 is a bathtub, and 3a is the refrigerant circuit 1.
This is a heat exchanger that communicates with No. 3 and heats the bath water.

[Effect]

Next, the case of dehumidifying and drying a bathroom using the device of the present invention will be explained with reference to Fig. 2. First, the casing 2
The entire vent 12a of the bathroom outer wall 12 is closed by a louver 12b. Next, the partition member 10 is slid to the right to form a vertical opening 15 on the bathroom outer wall 12 side. Furthermore, the switching valves 8a, 8
b is closed, 8c, 8d and the pressure reducing device 4 are left open, and the fan 6 is rotated. In this case, the air in the bathroom A enters the casing 2 from the vent 11a below the partition member 10 as shown by the arrow, and enters the evaporator 5,
It passes around the condenser 9, passes through the opening 15, and is discharged into the bathroom again from the vent 11a above the partition member 10.

On the other hand, regarding the refrigerant, when the high-temperature, high-pressure gas discharged from the compressor 1 passes through the switching valve 8c and the condenser 9, it heats the air from the bathroom that has been cooled and dehumidified by the evaporator 5, and is liquefied. The pressure is reduced as the air passes through the evaporator 5, where it absorbs heat from the bathroom air, vaporizes it, and returns to the compressor 1. As described above, the bathroom air is dehumidified and dried.

Next, to explain the case of heating a bathtub using the device of the present invention with reference to FIG.
Closed by 1b. Next, the partition member 10 is slid leftward to form a vertical opening 16 on the bathroom inner wall 11 side. Further, the switching valves 8c and 8d are closed, and the switching valves 8a and 8b and the pressure reducing device 4 are kept open.
Rotate fan 6. In this case, the air outside the bathroom B is released from the vent 1 above the partition member 10 as shown by the arrow.
It enters the casing 2 from 2a, passes through the opening 16, passes around the evaporator 5 and condenser 9, and is discharged to the outside of the bathroom B from the vent 12a below the partition member 10.

On the other hand, regarding the refrigerant, high-temperature, high-pressure gas discharged from the compressor 1 passes through the switching valve 8a, heats the bath water in the heat exchanger 3a in the bathtub 3, condenses and liquefies itself, passes through the switching valve 8b to the pressure reducing device 4, and evaporates. It passes through the container 5, absorbs heat from the air outside the bathroom, vaporizes it, and returns to the compressor 1.

〔Example〕

An embodiment of the present invention will be described below with reference to FIG.
Ventilation holes 11a and 12a which can be opened and closed by louvers 11b and 12b are provided in the bathroom inner wall 11 and the bathroom outer wall 12, respectively. The structure of the above-mentioned side walls is as shown in the cross-sectional view of FIG.
is opened and closed by the louver 19 by moving a connecting member 18 attached to the louver 19 up and down. However, this structure is not limited to the above-mentioned louver type; for example, a slide type in which a slide plate 22 is moved up and down to open and close the hole as shown in the perspective view of FIG. 6 may be used.

Reference numeral 10 denotes a partition member configured to be able to slide in the direction indicated by the arrow in the figure until one end abuts the inside of the bathroom inner wall 11 or the bathroom outer wall 12;
This structure has a frame 26 as shown in the perspective view of FIG.
A sliding plate 27 is slid inside to form an opening 28, but this is not limited to this method, and a rotary plate 29 as shown in FIG.
A rotary damper type may be used in which the opening 30 is formed on either side by rotation of the damper. Below the partition member 10 are an evaporator 5, a condenser 9, a compressor 1, a pressure reducing device 4, and switching valves 8a, 8b, 8c, 8.
d, 8e, and a refrigerant circuit 13 and fan 6 that communicate these with each other.

Further, 3 is a bathtub, and 3a is the refrigerant circuit 13.
This is a heat exchanger that communicates with the bathtub to heat the bath water.

Note that the sliding of the partition member and the opening and closing of the vent may be remotely controlled by a motor or an electromagnetic solenoid.

FIG. 4 shows the structure of a heat pump in an apparatus according to another embodiment of the present invention. In this case, in the embodiment shown in Fig. 1, when air outside the bathroom is taken in to heat the bathtub, the refrigerant does not flow into the condenser 9 as shown in Fig. 3, that is, the condenser 9 is not used effectively. At this time, the refrigerant circuit has a configuration in which the condenser 9 functions as an evaporator. That is, the pressure reducing device 17 was arranged in parallel with the switching valve 8d, and the pressure reducing device 4b and the switching valve 8e were arranged in parallel. FIG. 4 shows the state during heating of the bathtub. Refrigerant gas discharged from the compressor 1 passes through the switching valve 8a, is liquefied in a heat exchanger for heating the bathtub (not shown), passes through the switching valve 8b, and passes through the pressure reducing device 17. During this process, the pressure is reduced, and the condenser 9 absorbs heat from the air outside the bathroom and vaporizes it.

Next, since the refrigerant gas that has passed through the condenser 9 is still at a low temperature, the evaporator 5 can also absorb heat from the air outside the bathroom after passing through the switching valve 8e. And again compressor 1
The bathtub can be heated by efficiently absorbing atmospheric heat and saving electricity. The dehumidification cycle for a bathroom or the like in the heat pump of this embodiment is as follows: compressor 1→switching valve 8c→switching valve 8d→condenser 9→pressure reducing device 4b→evaporator 5→compressor 1. At this time, the switching valves 8a, 8b, and 8e are closed.

[Effect of idea]

The present invention is configured as described above, and in addition to being able to dehumidify and dry a bathroom and heat a bathtub using the same heat pump device, it is an inexpensive, energy-saving, and compact device. Since the opening and closing of the vent and the partitioning member control the inflow and outflow and flow of air inside and outside the bathroom, there is a practical effect that the room temperature of the bathroom does not drop even when the bathtub water is heated.

[Brief explanation of drawings]

Fig. 1 is a system diagram of a bathtub heating and bathroom dehumidifying device using a heat pump according to an embodiment of the present invention, Fig. 2 is an explanatory diagram of bathroom dehumidification using the device shown in Fig. 1, and Fig. 3 is similar to Fig. 1. FIG. 4 is an explanatory diagram of the structure of the heat pump part of a bathtub heating/bathroom dehumidifying device using a heat pump according to another embodiment of the present invention, and FIG. 1, FIG. 6 is a perspective view showing an embodiment of the casing side wall other than FIG. 5, FIG. 7 is a perspective view showing an embodiment of the partition member portion in FIG. FIG. 8 is a perspective view showing an example of a partition member portion other than FIG. 7;
FIG. 9 is a system diagram of a conventional bathtub heating device using a heat pump. Explanation of symbols, 1... Compressor, 2... Casing, 3... Bathtub, 3a... Heat exchanger, 4, 4a,
4b... pressure reducing device, 5, 5a... evaporator, 6...
Fan, 7...Heat pump unit, 8a, 8
b, 8c, 8d, 8e...Switching valve, 9...Condenser, 10...Partition member, 11...Bathroom inner wall, 1
1a... Vent, 11b... Louver, 12... Bathroom outside wall, 12a... Vent, 12b... Louver, 13, 13a... Refrigerant circuit, 14... Wall,
15... Opening, 16... Opening, 17... Pressure reducing device, 18... Connecting material, 19... Louver, 20...
...Vent, 21...Side wall, 22...Slide plate,
23... Side wall, 24... Side wall hole, 25... Slide plate hole, 26... Frame, 27... Slide plate, 28... Opening, 29... Rotating plate, 30...
Opening, A...Inside the bathroom, B...Outside the bathroom.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. A casing in which a plurality of vents that can be opened and closed are provided in the inner wall of the bathroom and the outer wall of the bathroom opposite the side wall, and the vents are divided into upper and lower portions of the side wall. A partition member is attached to one of the side walls to form a vertical opening, and an evaporator, a condenser, a compressor, a pressure reducer, a switching valve, and a refrigerant circuit are connected below the partition member. It consists of a heat pump unit housing a fan, etc., and a bathtub equipped with a heat exchanger communicating with the refrigerant circuit, and when heating the bathtub, a vent in the outer wall of the bathroom is opened, a vent in the inner wall of the bathroom is closed, and The vertical opening is formed on the inner wall of the bathroom by the partition member, and when the bathroom is dehumidified, the vent on the inner wall of the bathroom is opened, the vent on the outer wall of the bathroom is closed, and the partition member opens the vent on the outer wall of the bathroom. A bathtub heating/bathroom dehumidifying device using a heat pump, characterized in that an opening is formed in the vertical direction. 2. A bathtub heating and bathroom dehumidifying device using a heat pump according to claim 1, wherein the refrigerant circuit is such that the condenser can be used as an evaporator when heating the bathtub.