JPS589331B2 - Cooling/dehumidification/drying equipment - Google Patents

Description

[Detailed description of the invention] The present invention relates to a cooling, dehumidifying, and drying device.

More specifically, the present invention relates to a cooling, dehumidifying, and drying device that is capable of drying clothes and the like in addition to cooling and dehumidifying operations.

When drying clothes, etc., a dedicated drying machine is used, but since it is a dedicated machine, it requires a dedicated heat source, and this heat source mainly uses an electric heater, so its heat output is less than the input. However, it is limited to 100%, so there is a drawback that the running cost is high, and there is also the problem that the equipment cost cannot be kept below a certain level because it is a dedicated machine.

However, the applicant of this application previously proposed a device that performs drying using the condensed waste heat of an air conditioner, and solved the above-mentioned problems, but this drying is performed only during cooling operation. However, there was a problem in that drying operation could not be performed when cooling operation was not performed, such as during winter or mid-season.

The problem is that when the condensed waste heat used for drying is released indoors, the indoor temperature rises due to the amount of residual heat, so it must be released outdoors during cooling operation, so the outlet of the drying room must be closed. This is due to the fact that it was only connected to the outdoors.

However, when cooling operation is not performed during the intermediate season or winter, the above problem can be solved by introducing the condensed waste heat into the room and preventing the indoor air temperature from decreasing due to heat absorption by the evaporator. This can be solved, but on the other hand, the outlet of the drying room needs to be communicated with the outside during cooling and cooling drying, and into the indoor during drying, which complicates the structure and creates another problem in that the installation location is limited. It occurs.

The present invention was invented in view of the above problems, and includes a water-cooled condenser and an air-cooled condenser, a fan attached to the air-cooled condenser, and a ventilation path passing through the condenser. A drying room is installed on the exit side of the road, and the refrigerant is condensed by a condenser that is water-cooled during cooling operation, and during dehumidification and dehumidification drying operation,
By condensing the refrigerant using an air-cooled condenser, it is possible to perform drying operation even when air-conditioning operation is not being performed, and the above-mentioned problem has been solved.

In other words, the present invention has a higher transfer rate when drying can be performed during the dehumidifying operation when the cooling operation is not performed, such as during the intermediate season or winter, than when drying can be performed only during the cooling operation. Focusing on this, we have made it possible to perform drying operation during dehumidification operation for the purpose of dehumidification and dehumidification drying operation for the purpose of dehumidification, and also to condense the refrigerant in a water-cooled condenser during cooling operation. , the refrigerant is condensed in a condenser that is air-cooled except during cooling operation, eliminating the need to switch the ventilation path on the condenser outlet side between outdoors and indoors, allowing each of the operations described above to be performed with a simple structure, and requiring less installation space. This made it possible to install it in any position without being subject to any restrictions.

As is clear from the examples described below, the condenser in the present invention can be used in cases where two types of condensers, a water-cooled condenser and an air-cooled condenser, are used, and in cases where one condenser is water-cooled or air-cooled. The number of condensers is not limited.

Although drying cannot be performed during cooling operation, it is possible to dry while dehumidifying in summer, and it is also possible to use cooling operation and drying operation together by switching.

Further, in this case, the dehumidification in the dehumidification/drying operation includes cases where the purpose is not dehumidification other than the purpose of dehumidification.

Embodiments of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a device main body, inside of which horizontal partition plates 1a and 1b are provided on the upper and lower sides.
An intermediate chamber a is formed between these partition plates 1a and 1b, a compressor 2 and a liquid receiver 3 are provided on the back side of the intermediate chamber a, and an evaporator 4 is provided on the front side. A fan 5 is attached to the container 4 to form a first ventilation path 6 passing through the evaporator 4, and this first ventilation path 6 is connected to an inlet 7 and an outlet 8 provided on the front surface of the main body 1. The first ventilation passage 6 is brought into communication with the interior of the room via the suction port 7 and the blowout port 8.

Further, of the partition plates 1a and 1b, a heat exchange chamber 9 having a required volume and having a watertight structure is provided on the back side of the upper partition plate 1a, and the upper surface of this heat exchange chamber 9 is formed by the partition plate 1a. A water-cooled and air-cooled condenser 10 is attached to the heat exchange chamber 9 which is open to the upper chamber b, and a closing plate 11 which closes the heat exchange chamber 9 to the upper chamber is attached to the upper surface so as to be openable and closable. A fan 12 that operates when air cooling the condenser 10 is provided in the upper chamber.

As shown in FIG. 3, the heat exchange chamber 9 is provided with a water supply pipe 13 and a drain pipe 14 connected to a water pipe. , the condenser 10 provided in the heat exchange chamber 9 can be immersed in the supplied water, and by flowing the refrigerant into the condenser 10 in this state, the refrigerant exchanges heat with the water, and the water The condenser 10 becomes a water-cooled condenser.

When the condenser 10 is water-cooled, a predetermined amount of water is supplied by the float valve 16, and the amount of water supplied is adjusted by the opening degree of the drain valve 17 installed in the drain pipe 14. The supplied water passes through the condenser 10 and is drained from the drain pipe 14 as shown by the arrow in FIG.

When the condenser 10 is air-cooled, the water supply valve 15 is closed, the drain valve 17 is fully opened, the water in the heat exchange chamber 9 is drained by the head difference, and the closing plate 11 is
This is done by opening the fan 12 as shown in the figure and driving the fan 12.

When the closing plate 11 is opened, the heat exchange chamber 9 communicates with the upper chamber in which the fan 12 is installed, and as shown in FIG. A ventilation path 18 will be formed.

The inlet side of this second ventilation passage 18 communicates with the interior of the room via a suction port 19 provided on the front side of the main body 1 in the upper chamber, and the outlet side communicates with a drying chamber provided on the back side of the main body 1. 20 through an air outlet 21.

This drying chamber 20 may be formed separately from the main body 1 and can be freely attached and detached, or may be formed as a single unit. It may be formed by a wall, and its volume may be expanded or reduced freely.

If it is provided so that it can be freely attached and detached or can be expanded and contracted, the whole can be made compact when drying operation is not performed, and it can be used as a normal air conditioner.

Further, the drying chamber 20 formed as described above has the partition plates ia,
Communication port 2 with the workshop formed by the inner lower partition plate 1b of ib
It communicates with the interior through an air outlet 23 provided at the front of the workshop.

Further, the partition plate 1b on the front side of the lower chamber is provided with an opening 24 communicating with the first ventilation path 6, and a damper 25 is attached to the opening 24. If there is a risk that the evaporator 4 will frost, the pumper 25 is opened and the dried air discharged from the drying chamber 20 is introduced.

Since the condenser 10 used in the above embodiments is immersed in water to form a water-cooled condenser, it is preferable to perform ribbon delight treatment using copper fins as the fins.

In addition, when using one heat exchanger as a water-cooled condenser or an air-cooled condenser, the steps shown in FIG. The heat exchanger 100 has a double-tube structure as shown in FIG. It may be provided.

In addition, in this configuration, the refrigerant is supplied to the inner pipe 101.
Water may be passed between the inner tube 102 and the outer tube 102, or the inner tube 101 through which the refrigerant is passed may be coiled as shown in FIG.

When using this double tube structure heat exchanger 100, the sixth
, 7, it is assembled into the main body 1 of the device.

6 and 7, three horizontal partition plates 1a, 1b, and Ic are provided inside the device body 1, and a compressor 2, liquid receiver 3, etc. are installed in the lowest chamber d, and the upper The heat exchanger 100 is installed in the chamber a.

This heat exchanger 100 has the structure shown in FIG. When a heat exchanger 100 is provided and the fan 12 is driven to form an air-cooled condenser, indoor air introduced from the suction port 19 is passed through the outer pipe 102 of the heat exchanger 100, and the refrigerant passing through the inner pipe 101 is mixed with the indoor air introduced from the suction port 19. It exchanges heat.

In addition, in FIGS. 6 and 7, the evaporator 4 and fan 5 are
As in the previous example, the refrigerant is installed in the intermediate chamber a, and the refrigerant passing through the evaporator 4 exchanges heat with the indoor air introduced from the inlet side of the first air passage 6 of the suction port 7 to become cold air. The air is discharged into the room from the outlet side of the first ventilation path 6 through the air outlet 8.

In addition, in FIGS. 6 and 7, the inlet side of the first passage 6 can communicate with the drying chamber 20 communicating with the outlet side of the second ventilation passage 18 via an opening 26. 26 is provided with a damper 27 for closing the opening 26.

Therefore, the opening 24 provided in the partition plate 1b in the previous example is not formed, and the royal room C is only the exit passage of the drying chamber 20.

However, the device according to the embodiment described above can perform cooling operation,
In addition to dehumidifying operation, dehumidifying and drying operation can be performed in the intermediate season and winter season, and each of these operations will be explained next.

First, when performing cooling operation, the condenser 10100 is a water-cooled condenser, the fan 12 is stopped, only the fan 5 is driven, and the first ventilation is started as shown by the arrows in FIGS. 1 and 6. This is done by circulating indoor air through the passage 6.

In addition, when performing dehumidification operation, in Fig. 1, the heat exchange chamber 9
This is done by discharging the water, making the condenser 10 an air-cooled condenser, opening the closing plate 11 as shown in FIG. 2, and driving the fan 12 to form the second ventilation passage 18. In FIG. 6, the water flowing between the inner tube 101 and the outer tube 102 is discharged, the heat exchanger 100 is used as an air-cooled condenser, and the fan 12 is driven to open the second ventilation passage 18 as shown in FIG. This is done by forming .

Therefore, air introduced from the room through the suction port 19 passes through the condenser 10, 100 as an air-cooled condenser.
The hot air passes through the drying chamber 20 from the air outlet 21, passes through the lower chamber C from the communication port 22, is discharged indoors from the air outlet 23, passes through the evaporator 4, passes through the first ventilation path 6, and passes through the air outlet 8. It combines with the cold air discharged into the room, and after dehumidification, the temperature of the discharged air discharged into the room is adjusted to the room temperature.

Warm air that has passed through the condensers 10 and 100 is introduced into the drying chamber 20 during dehumidification, so if clothes or the like are placed in the drying chamber 20, they can be dried at the same time.

Moreover, this drying can be carried out in the intermediate season and winter season when no dehumidification is required other than in combination with the above dehumidification operation for the purpose of dehumidification, and the operation in this case is carried out in the same manner as the dehumidification operation described above. Therefore, the condensers 10 and 100 are air-cooled condensers.

If there is a risk of frost forming on the evaporator 4 during this operation, especially in the winter, open the damper 25 or 27 as shown by the dotted line arrows in Figures 2 and 6 to prevent the air from being discharged indoors after drying. A portion is introduced into the entrance side of the first ventilation passage 6.

In each of the embodiments described above, one condenser 10 or one
00 was used as a water-cooled or air-cooled condenser, but two condensers, a water-cooled condenser 30 and an air-cooled condenser 31, may be used as shown in FIGS.

In this case, these condensers 30 and 31 are connected in series to the compressor 2, and when a water-cooled condenser 30 is used, water is supplied to the condenser 30 via the water supply pipe 32, and the air-cooled condenser 31 When using a fan 1 that drains water from the water-cooled condenser 30 through a drain pipe 33 and is attached to the air-cooled condenser 31.
It is operated by driving 2.

Note that these condensers 30 and 31 may be connected in parallel as shown in FIG. 10, and the flow of the refrigerant may be controlled by opening and closing the on-off valve sv.

In addition, in order to incorporate the two condensers 30 and 31 configured as described above into the device main body 1, two partition plates 1 are required as shown in FIGS. 8 and 9.
The water-cooled condenser 30 is installed together with the compressor 2 and the like in the lower chamber C divided by a and 1b, and the air-cooled condenser 31 and the fan 12 are installed in the intermediate chamber a.

This air-cooled condenser 31 may be provided in the upper chamber b as in the above-described embodiment, but in the case of the one shown in FIGS. 8 and 9, the drying chamber 20 is provided on the front side of the apparatus body 1, Condenser 3
1 is installed in the intermediate chamber a, and the evaporator 4 and fan 5 are installed in the upper chamber b.

In addition, in the case shown in FIGS. 8 and 9, an air outlet 34 into the room is provided on the upper surface of the drying chamber 20 near the air outlet 8 that communicates with the outlet side of the first ventilation path 6, and the air outlet 34 is provided in the lower chamber in the previous example. This is different from the structure that communicates with the room using C.

In addition, the suction port 7 on the inlet side of the first ventilation path 6 has a
A damper 35 is provided to close the suction port 7, and an opening 36 equipped with a damper 37 communicating with the drying chamber 20 is provided at the intermediate portion on the inlet side, so that the suction port I is closed during drying operation in winter. By opening the opening 36, the first ventilation passage 6 is switched as shown by the dotted line in FIG.
Only warm air from the drying chamber 20 can be flowed through the drying chamber 20.

However, when operating the device configured as described above, it can be operated in the same manner as in the embodiment described above, and during cooling operation, the fan 12 is stopped and the refrigerant is allowed to flow through the water-cooled condenser 30, as shown in FIG. At the same time, this can be done by supplying water through the water supply pipe 32, and during the dehumidifying operation and dehumidifying drying operation, it can be done by flowing the refrigerant into the air-cooled condenser 31 and driving the fan 12 as shown in FIG.

As described above, according to the present invention, in addition to cooling operation and dehumidification operation, drying operation can also be performed, and furthermore, this drying operation can be performed at any time regardless of the season.

Furthermore, since there is no need to switch the second ventilation path or the outlet of the drying chamber between indoors and outdoors during operation, the installation location can be selected arbitrarily.

Therefore, the structure can be easily configured, and the bride rate can be increased.
Moreover, the cost of the apparatus can be reduced, and since the drying process utilizes condensed waste heat, the running cost can also be reduced.

[Brief explanation of drawings]

1 to 3 show an embodiment of the present invention, FIGS. 1 and 2 are schematic sectional views, and FIG. 3 is a sectional view of the condenser portion.
4 and 5 are partial sectional views showing another embodiment of the condenser, and FIGS. 6 and 7 are schematic sectional views showing another embodiment of the present invention,
8 and 9 are schematic sectional views showing still another embodiment of the present invention, and FIG. 10 is a refrigerant piping system diagram in the embodiment shown in FIGS. 8 and 9. 2... Compressor, 4... Evaporator, 5... Fan, 6... First ventilation path, 10,100... Condenser, 12... Fan,
18...Second ventilation duct, 20...Drying room.

Claims (1)

[Claims] 1 Equipped with refrigeration equipment such as a compressor, an evaporator, a water-cooled condenser, and an air-cooled condenser, a fan is attached to the evaporator to form a first ventilation path passing through the evaporator, and a fan is attached to the condenser that is air-cooled. is attached to form a second ventilation passage passing through the condenser, and a drying chamber is provided on the exit side of the second ventilation passage, and the refrigerant is condensed by the condenser which is water-cooled during cooling operation, and dehumidification and dehumidification drying operation are performed. A cooling, dehumidifying, and drying device characterized in that a refrigerant is condensed by a condenser that is cooled by air.