JP2018179363A - Humidity control unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve compactification of a humidity control unit installed with a back surface facing a wall, while suppressing the thickness.SOLUTION: A casing 50 is installed with a back surface 50b facing a wall surface WS along the vertical direction, and the casing 50 has a front surface 50a facing the back surface 50b. An adsorption rotor 32 rotates around a first rotary shaft 32d inclined with respect to the back surface 50b. A fan for adsorption guides air before adsorption to the adsorption rotor 32, and blows out air after adsorption in which moisture is removed by the adsorption rotor 32 by passing the adsorption rotor 32 in the direction along the first rotary shaft 32d. A fan 35 for regeneration guides air before regeneration to the adsorption rotor 32, and blows out air after regeneration in which moisture is imparted from the adsorption rotor 32 by passing the adsorption rotor 32 in the direction along the first rotary shaft 32d.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a humidity control unit, and more particularly to a humidity control unit installed with a back surface of a casing facing a wall surface extending in the vertical direction.

  BACKGROUND Conventionally, there is a humidifying unit that is configured separately from an air conditioner that performs indoor air conditioning and that supplies humidifying air to an indoor unit of the air conditioner. Among such humidification units, there are some which are attached to the wall to which the indoor unit is attached, as described, for example in patent documents 1 (JP, 2014-129950, A).

  However, when the humidifying unit described in Patent Document 1 is mounted on a wall, the heater, the adsorption rotor, and the fan are disposed from the outside air suction port toward the through hole opened in the wall, the humidifying unit As it gets thicker, the humidification unit will protrude greatly from the wall. As described above, when the humidifying unit greatly protrudes from the wall, it may be difficult for the user to accept the design and the cost for adopting the humidifying unit to secure the installation strength of the humidifying unit may increase. . In addition, it is preferable that the planar shape of the humidifying unit be smaller, and it is preferable that the in-plane direction of the humidifying unit be compact.

  An object of the present invention is to achieve compactness while suppressing the thickness of the humidity control unit installed with the back surface facing the wall.

  The humidity control unit according to the first aspect of the present invention is installed with the back face facing the wall surface along the vertical direction, the casing having the front face facing the back face, and the casing housed in the casing and inclined with respect to the back face Adsorption rotor that rotates around the rotation axis, is housed in a casing, guides the air before adsorption to the adsorption rotor, and passes through the adsorption rotor in the direction along the first rotation axis, and adsorption is deprived of water by the adsorption rotor An adsorption fan that blows off the rear air, and a casing that is housed in the casing, guides the air before regeneration to the adsorption rotor, and passes through the adsorption rotor in the direction along the first rotation axis, thereby giving moisture from the adsorption rotor. And a reproduction fan.

  In the humidity control unit according to the first aspect of the present invention, since the first main surface and the second main surface of the suction rotor are disposed obliquely to the back surface, the increase of the gap is suppressed in the narrow space in the casing. This makes it easier to arrange the devices that make up the humidity control unit.

  A humidity control unit according to a second aspect of the present invention is the humidity control unit according to the first aspect, wherein the suction fan has a suction fan suction port for sucking in air after suction from the suction rotor, and the regeneration fan is suction In the suction fan and the regeneration fan, at least one of the suction fan suction port and the regeneration fan suction port has a front face with a partial region of the suction rotor. It is what is arrange | positioned so that it may overlap in a view.

  In the humidity control unit according to the second aspect of the present invention, at least one of the suction fan suction port and the regeneration fan suction port overlaps the partial region of the suction rotor in a front view, so that the in-plane parallel to the back surface In terms of dimensions, when the suction fan suction port and the partial area of the suction rotor overlap, the occupied area of the suction fan and the suction rotor decreases, and when the partial area of the regeneration fan suction port and the suction rotor overlaps The occupied area of the regeneration fan and the suction rotor is reduced.

  A humidity control unit according to a third aspect of the present invention is the humidity control unit according to the second aspect of the present invention, wherein the adsorption rotor is partially disposed between the adsorption fan and the front of the casing. is there.

  In the humidity control unit according to the third aspect of the present invention, a partial area of the adsorption rotor is disposed between the adsorption fan and the front of the casing, so that the partial area of the adsorption rotor passes and the distance is short. Since the air flow of the air before adsorption flowing to the adsorption fan can be formed, the flow path resistance when introducing the air before adsorption to the adsorption rotor can be suppressed low.

  A humidity control unit according to a fourth aspect of the present invention is the humidity control unit according to the third aspect, wherein the suction fan is a centrifugal fan having a bell mouth, and the suction rotor is the furthest from the suction circular hole of the bell mouth The separated points are arranged to be separated by 10% or more of the radius of the suction circular hole.

  In the humidity control unit according to the fourth aspect of the present invention, the most distant point from the suction circular hole of the bell mouth is 10% or more of the radius of the suction circular hole, so the suction circular hole of the bell mouth of the suction fan The air easily flows between the suction fan and the suction rotor in the region not overlapping with the suction rotor.

  The humidity control unit according to the fifth aspect of the present invention is the humidity control unit according to the fourth aspect, wherein the adsorption rotor is separated by 40% or more of the radius of the suction circular hole at the most distant position, and the closest point to the suction circular hole Is less than 40% of the radius of the suction hole.

  In the humidity control unit according to the fifth aspect of the present invention, since the closest location of the suction rotor is less than 40% of the radius of the suction circular hole of the bell mouth, the air between the suction fan and the suction rotor The adsorption rotor and the adsorption fan can be brought close to each other while facilitating the flow of the

  A humidity control unit according to a sixth aspect of the present invention is the humidity control unit according to the first to fifth aspects, wherein the suction fan and the regeneration fan are positioned at points where their respective centers of gravity are closer to the back than the front of the casing. It is something that is arranged to do.

  In the humidity control unit according to the sixth aspect of the present invention, when the gravity centers of the suction fan and the regeneration fan, which are heavy objects, are located at a point close to the back surface of the casing, the gravity center is near the front. In comparison, the moment of force acting in the direction of moving the humidity control unit away from the wall becomes smaller.

  A humidity control unit according to a seventh aspect of the present invention is the humidity control unit according to any one of the first aspect to the sixth aspect of the present invention, further comprising a regeneration heat exchanger for heating air before regeneration penetrating the adsorption rotor. The regeneration heat exchanger is disposed such that the center of gravity is located at a point closer to the back than the front of the casing.

  In the humidity control unit according to the seventh aspect of the present invention, since the center of gravity of the heat exchanger for regeneration is located at a point close to the back of the casing, compared to the case where the center of gravity is near the front Since the moment of force acting in the direction of moving the humidity control unit away from the wall is reduced, it becomes easy to install the back of the wall opposite to the wall.

  The humidity control unit according to an eighth aspect of the present invention is the humidity control unit according to the seventh aspect, wherein the heat exchanger for regeneration is diagonally disposed along the adsorption rotor.

  In the humidity control unit according to the eighth aspect of the present invention, the regeneration heat exchanger is obliquely disposed along at least one of the first main surface and the second main surface of the adsorption rotor. The regeneration heat exchanger can be brought close to the adsorption rotor as a whole.

  A humidity control unit according to a ninth aspect of the present invention is the humidity control unit according to any one of the first to eighth aspects, wherein the suction fan has a suction fan rotor that rotates around a second rotation axis. The regeneration fan has a regeneration fan rotor that rotates around the third rotation axis, and the suction fan and the regeneration fan have at least one of the second rotation axis and the third rotation axis against the back surface. It is arranged so as to be inclined along the first rotation axis.

  In the humidity control unit according to the ninth aspect of the present invention, the suction fan and the regeneration fan are arranged such that at least one of the second rotation shaft and the third rotation shaft is oblique to the back surface and along the first rotation shaft. Since the fan is disposed, both the suction fan and / or the regeneration fan and the suction rotor can be disposed obliquely and brought close to each other.

  A humidity control unit according to a tenth aspect of the present invention is the humidity control unit according to any of the first to ninth aspects, wherein the adsorption rotor is housed in the adsorption rotor unit together with a heating device for heating the adsorption rotor for regeneration. And the adsorption rotor unit is disposed in contact with or close to the front and back of the casing, and the adsorption fan is disposed in contact or close to the front and / or back of the casing The regenerating fan is arranged to be in contact with or close to the front and / or back of the casing.

  In the humidity control unit according to the tenth aspect of the present invention, since the adsorption rotor unit is arranged to be in contact with or in proximity to the front and back of the casing, the thickness of the casing is to the rear of the adsorption rotor unit. It is about the same as the vertical size.

  In the humidity control unit according to the first aspect or the ninth aspect of the present invention, downsizing can be achieved while suppressing the thickness of the humidity control unit.

  In the humidity control unit according to the second aspect of the present invention, the in-plane size of the humidity control unit can be made compact.

  In the humidity control unit according to the third aspect of the present invention, downsizing of the suction fan is facilitated, and downsizing of the humidity control unit is facilitated.

  In the humidity control unit according to the fourth aspect of the present invention, it is easy to ensure the humidity control performance even if it is compact.

  In the humidity control unit according to the fifth aspect of the present invention, the compactness of the humidity control unit can be improved while securing the humidity control performance.

  In the humidity control unit according to the sixth aspect or the seventh aspect of the present invention, the force acting in the direction of separating the humidity control unit from the wall is small, and the back surface can be easily installed facing the wall surface.

  In the humidity control unit according to the eighth aspect of the present invention, downsizing can be achieved while reducing the loss of the thermal energy given from the heat exchanger for regeneration to the air before regeneration.

  In the humidity control unit according to the tenth aspect of the present invention, thinning can be achieved.

The circuit diagram of the air conditioning apparatus containing the humidification unit which concerns on 1st Embodiment. The conceptual diagram of the humidification unit of FIG. The schematic diagram of the air conditioning apparatus containing the humidification unit of FIG. 1 attached to the wall. The front view of the humidification unit which concerns on 1st Embodiment. The right view of the humidification unit of FIG. The left view of the humidification unit of FIG. The lower side view of the humidification unit of FIG. Sectional drawing of the humidification unit cut | disconnected along the II line of FIG. 4, and was seen from the right. Sectional drawing of the humidification unit seen from the left cut | disconnected along the II line of FIG. The perspective view of the humidification unit concerning a 1st embodiment. The elements expansion perspective view of the humidification unit of FIG. The conceptual diagram of the adsorption | suction rotor for demonstrating a positional relationship, the fan rotor for adsorption | suction, and the fan rotor for reproduction | regeneration. Sectional drawing of the humidification unit which concerns on modification 1A. The right side of the humidification unit concerning modification 1B. The left side of the humidification unit concerning modification 1B. The perspective view which looked at the humidification unit concerning modification 1C from the right front. The perspective view which looked at the humidification unit concerning modification 1C from the left back. Sectional drawing which shows an example of the humidification unit which concerns on modification 1D. Sectional drawing which shows the other example of the humidification unit which concerns on modification 1D. The circuit diagram of the air conditioning apparatus containing the dehumidification unit which concerns on 2nd Embodiment. The conceptual diagram of the dehumidification unit of FIG. The schematic diagram of the air conditioning apparatus containing the dehumidification unit of FIG. 20 attached to the wall. The circuit diagram of the air conditioning apparatus containing the dehumidification unit which concerns on modification 2A. The circuit diagram of the air conditioning apparatus containing the humidification unit which concerns on 3rd Embodiment. The conceptual diagram of the humidification unit of FIG. The schematic diagram of the air conditioning apparatus containing the humidification unit of FIG. 24 attached to the wall. The figure for demonstrating the structure of the humidity control unit which concerns on modification 3A. The circuit diagram of the air conditioning apparatus containing the dehumidification unit which concerns on 4th Embodiment. The conceptual diagram of the dehumidification unit of FIG. The schematic diagram of the air conditioning apparatus containing the dehumidification unit of FIG. 28 attached to the wall. The figure for demonstrating the structure of the humidity control unit which concerns on modification 4A.

First Embodiment
Hereinafter, a humidity control unit according to a first embodiment of the present invention will be described based on the drawings. In the first embodiment, the humidifying unit incorporated in the air conditioner is described as an example of the humidity control unit.

(1) Overall Configuration FIG. 1 shows the overall configuration of the air conditioner according to the embodiment. Further, FIG. 2 shows the concept of the configuration of the humidifying unit 30 shown in FIG. An air conditioning apparatus 1 shown in FIG. 1 includes an outdoor unit 2, an indoor unit 4, and refrigerant communication pipes 5 and 6, and a humidifying unit 30 is attached to the air conditioning apparatus 1. As shown in FIG. 3, in the air conditioner 1 according to the first embodiment, the outdoor unit 2 is installed at the outdoor OD, the indoor unit 4 is attached to the indoor ID, and the outdoor unit 2 and the indoor unit 4 are The refrigerant communication pipes 5 and 6 communicate with each other. The outdoor unit 2 includes a compressor 21, a four-way valve 22, an outdoor heat exchanger 23, an electric valve 24, a closing valve 25, a closing valve 26, an outdoor fan 27, and an accumulator 28. The indoor unit 4 further includes an indoor heat exchanger 42 and an indoor fan 41.

  The outdoor unit 2 and the indoor unit 4 are connected by the refrigerant communication pipes 5 and 6 to form a refrigerant circuit 10 that performs a vapor compression refrigeration cycle in the air conditioner 1. A compressor 21 is incorporated in the refrigerant circuit 10. The compressor 21 sucks and compresses the low-pressure gas refrigerant, and discharges the low-pressure gas refrigerant into a high-temperature and high-pressure gas refrigerant, and then discharges it. The compressor 21 is, for example, a variable-capacity inverter compressor capable of performing rotational speed control by an inverter. As the operating frequency of the compressor 21 increases, the amount of refrigerant circulating in the refrigerant circuit 10 increases, and conversely, when the operating frequency decreases, the amount of refrigerant circulating in the refrigerant circuit 10 decreases.

  The four-way valve 22 is a valve for switching the flow direction of the refrigerant when switching between the cooling operation and the heating operation. In the four-way valve 22, the discharge side (discharge pipe 21a) of the compressor 21 is connected to the first port, the outdoor heat exchanger 23 is connected to the second port, the accumulator 28 is connected to the third port, and the fourth port The refrigerant communication pipe 6 is connected via the shutoff valve 26. The four-way valve 22 has a state shown by a broken line in which the refrigerant flows between the first port and the second port and the refrigerant flows between the third port and the fourth port, and between the first port and the fourth port. And the state indicated by the solid line in which the refrigerant flows between the second port and the third port.

  Although the detailed configuration of the humidifying unit 30 will be described later, the humidifying unit 30 includes a heat exchanger 31 for regeneration, and the heat exchanger 31 for regeneration is inserted into the refrigerant communication pipe 6. Therefore, in the heating operation state, the high temperature / high pressure gas refrigerant discharged from the compressor 21 is sent to the heat exchanger 31 for regeneration as it is at high temperature / high pressure. Since the air after regeneration having high humidity can be generated by heating the air before regeneration to be fed to the adsorption rotor 32 by the heat exchanger 31 for regeneration, the humidifying unit 30 mainly operates in the room during the heating operation state. It will humidify ID.

  In the outdoor heat exchanger 23 disposed between the second port of the four-way valve 22 and the motor-operated valve 24, heat exchange is performed between the refrigerant flowing through a heat transfer pipe (not shown) and the outdoor air. The outdoor heat exchanger 23 functions as a radiator that releases heat from the refrigerant during cooling operation, and functions as an evaporator that applies heat to the refrigerant during heating operation.

  The motor operated valve 24 is disposed between the outdoor heat exchanger 23 and the indoor heat exchanger 42. The motor operated valve 24 has a function of expanding and reducing the pressure of the refrigerant flowing between the outdoor heat exchanger 23 and the indoor heat exchanger 42. The motor-operated valve 24 is configured to be able to change the expansion valve opening degree, and by reducing the expansion valve opening degree, the flow path resistance of the refrigerant passing through the motor-operated valve 24 increases, and the expansion valve opening degree The flow path resistance of the refrigerant passing through the motor-operated valve 24 is reduced by increasing. Such an electric valve 24 expands and reduces the pressure of the refrigerant flowing from the indoor heat exchanger 42 toward the outdoor heat exchanger 23 in the heating operation, and in the cooling operation, the outdoor heat exchanger 23 to the indoor heat exchanger 42. The refrigerant flowing toward is expanded and depressurized.

  In the outdoor unit 2, after the outdoor air is sucked into the outdoor unit 2 and the outdoor air is supplied to the outdoor heat exchanger 23, the air after heat exchange is discharged to the outside of the outdoor unit 2. An outdoor fan 27 is provided. The outdoor fan 27 promotes the function of the outdoor heat exchanger 23 to cool or evaporate the refrigerant using the outdoor air as a cooling source or a heating source. The outdoor fan 27 is driven by an outdoor fan motor 27a that can change the rotational speed. By changing the rotational speed of the outdoor fan 27, the air volume of the outdoor air passing through the outdoor heat exchanger 23 is changed.

  In the indoor unit 4, indoor air is drawn into the indoor unit 4, and after the indoor air is supplied to the indoor heat exchanger 42, the air after heat exchange is discharged to the outside of the indoor unit 4. An indoor fan 41 is provided. The indoor fan 41 promotes the function of the indoor heat exchanger 42 to cool or evaporate the refrigerant using the indoor air as a cooling source or a heating source. The indoor fan 41 is driven by an indoor fan motor 41a that can change the rotational speed. By changing the rotational speed of the indoor fan 41, the air volume of the indoor air passing through the indoor heat exchanger 42 is changed.

  When the humidifying unit 30 is installed, the closing valves 25 and 26 are closed. Then, when the installation of the humidifying unit 30 is finished, the closing valves 25 and 26 are opened.

(2) Basic Operation The indoor ID is humidified by the humidifying unit 30 mainly when the indoor ID is dried, and there is no particular limitation on the timing when the humidifying unit 30 humidifies the indoor ID. For example, in Japan, since the room is often dried in winter, the humidification unit 30 is often humidified at the time of heating operation.

(2-1) Heating Operation During the heating operation, in the refrigerant circuit 10, the four-way valve 22 is in the state shown by the solid line in FIG. Further, the closing valves 25 and 26 are opened, and the motor-operated valve 24 is adjusted so as to reduce the pressure of the refrigerant.

  When the compressor 21 is driven in the refrigerant circuit 10 in such a heating operation, low pressure gas refrigerant is sucked into the compressor 21 through the suction pipe 21 b and compressed in the compressor 21. It discharges from the discharge side (discharge pipe 21a). The high temperature and high pressure gas refrigerant discharged from the compressor 21 is sent to the heat exchanger 31 for regeneration through the first port and the fourth port of the four-way valve 22, the closing valve 26, and the refrigerant communication pipe 6. The refrigerant heat-exchanged by the regeneration heat exchanger 31 enters the indoor heat exchanger 42 through the refrigerant communication pipe 6 and the connection pipe 71. The high temperature and high pressure gas refrigerant releases heat by heat exchange with the indoor air blown out from the indoor fan 41 in the indoor heat exchanger 42. The high-pressure refrigerant after the heat release is sent to the motor-operated valve 24 through the connection pipe 72, the refrigerant communication pipe 5 and the closing valve 25 and is decompressed in the motor-operated valve 24 to be a low pressure gas-liquid two-phase refrigerant. The low-pressure gas-liquid two-phase refrigerant that has exited the motor-operated valve 24 enters the outdoor heat exchanger 23. In the outdoor heat exchanger 23, the low-pressure gas-liquid two-phase refrigerant evaporates by heat exchange with outdoor air. The low pressure gas refrigerant from the outdoor heat exchanger 23 is sent again to the suction side (suction pipe 21 b) of the compressor 21 through the second port and the third port of the four-way valve 22 and the accumulator 28.

(2-2) Cooling Operation During the cooling operation, in the refrigerant circuit 10, the four-way valve 22 is in the state shown by the broken line in FIG. Further, the closing valves 25 and 26 are opened, and the motor-operated valve 24 is adjusted so as to reduce the pressure of the refrigerant.

  When the compressor 21 is driven in the refrigerant circuit 10 during the cooling operation, the low pressure gas refrigerant is sucked into the compressor 21 through the suction pipe 21 b and compressed in the compressor 21. It discharges from the discharge side (discharge pipe 21a). The high temperature and high pressure gas refrigerant discharged from the compressor 21 is sent to the outdoor heat exchanger 23 through the first port and the second port of the four-way valve 22. The high temperature and high pressure gas refrigerant dissipates heat in the outdoor heat exchanger 23 by heat exchange with outdoor air. The high-pressure refrigerant after the heat release is sent to the motor-operated valve 24, and is decompressed in the motor-operated valve 24 to be a low-pressure gas-liquid two-phase refrigerant. The low pressure gas-liquid two-phase refrigerant is sent to the indoor heat exchanger 42 through the closing valve 25, the refrigerant communication pipe 5 and the connection pipe 72. In the indoor heat exchanger 42, the low-pressure gas-liquid two-phase refrigerant evaporates by heat exchange with the indoor air blown out from the indoor fan 41 to become a low-pressure gas refrigerant. The low pressure gas refrigerant from the indoor heat exchanger 42 is connected to the connecting pipe 71, the refrigerant communication pipe 6 into which the regeneration heat exchanger 31 is inserted, the closing valve 26, the four-way valve 22 (fourth port to third port), And the accumulator 28 to the suction side (suction pipe 21b) of the compressor 21 again.

(3) Detailed configuration (3-1) Humidification unit 30
The external appearance seen from the front of the humidification unit 30 is shown by FIG. The Z-axis direction shown in FIG. 4 is the vertical direction, and the X-axis direction is the left-right direction. The humidifying unit 30 shown in FIG. 4 is attached to the wall surface WS. The wall surface WS extends parallel to the XZ plane. 5 shows the right side surface 50e of the humidifying unit 30, FIG. 6 shows the left side surface 50f of the humidifying unit 30, and FIG. 7 shows the lower side surface 50d of the humidifying unit 30. 8 shows the humidification unit 30 cut along the line I-I of FIG. 4 and viewed from the right side. FIG. 9 shows the humidification unit along the line I-I of FIG. 30 is shown cut from the left. In FIGS. 8 and 9, the Y-axis direction is the front-rear direction. In the cross-sectional views of FIG. 8 and FIG. 9 and the like, hatching such as oblique lines is partially omitted to make the drawings easy to see.

  As shown in FIG. 1, the humidifying unit 30 includes a regeneration heat exchanger 31, an adsorption rotor 32, a rotor motor 33, an adsorption fan 34, a regeneration fan 35, and a humidification hose 36. The regeneration heat exchanger 31, the adsorption rotor 32, the rotor motor 33, the adsorption fan 34, and the regeneration fan 35 are housed in a casing 50 shown in FIGS. 4 to 9.

  In the humidifying unit 30, as shown in FIG. 2, air before adsorption is taken in from the air intake before adsorption 52 and is sent to the adsorption area of the adsorption rotor 32. The adsorbed air deprived of moisture in the adsorption region of the adsorption rotor 32 is blown out from the suction fan outlet 56. A flow of air before adsorption and air after adsorption is generated by the adsorption fan 34. Further, the air before regeneration is taken in from the air intake before regeneration 54, heated when passing through the regeneration heat exchanger 31, and sent to the regeneration region of the adsorption rotor 32. The regenerated air supplied with moisture in the regeneration area of the adsorption rotor 32 is blown out into the interior of the indoor unit 4 through the regenerated air duct 35 e and the humidifying hose 36. The air flow of the air before regeneration and the air after regeneration is generated by the fan for regeneration 35.

(3-1-1) Casing 50
As shown in FIGS. 4 to 9, the shape of the casing 50 of the humidifying unit 30 is designed on the basis of a rectangular parallelepiped. Therefore, in the casing 50, the front surface 50a, the back surface 50b, the upper side surface 50c, the lower side surface 50d, the right side surface 50e, and the left side surface 50f occupy most of the appearance. The front surface 50a is a surface facing the back surface 50b. The upper side surface 50c, the lower side surface 50d, the right side surface 50e, and the left side surface 50f are side surfaces between the front surface 50a and the back surface 50b. There is a right inclined surface 50g inclined between the right side surface 50e and the back surface 50b, and a left inclined surface 50h inclined between the left side surface 50f and the rear surface 50b (see FIG. 7).

  The humidifying unit 30 shown in FIG. 3 is attached such that the back surface 50b is in contact with the wall surface WS along the vertical direction. However, the casing 50 may not be attached to be in contact with the wall surface WS, as long as the back surface 50b of the casing 50 faces the wall surface WS. For example, the casing 50 may be attached to a frame disposed parallel to the wall surface WS. A through hole 101 is formed in the wall 100 shown in FIG. The refrigerant communication pipes 5 and 6 and the humidifying hose 36 pass through the through holes 101.

  The casing 50 has a dimension M1 (the distance between the front surface 50a and the back surface 50b) perpendicular to the back surface 50b (the distance between the front surface 50a and the back surface 50b) shown in FIG. 5 parallel to the back surface 50b (parallel to the XZ plane) Smaller than the dimensions). The smallest in the direction parallel to the back surface 50b is the distance between the right side surface 50e and the left side surface 50f (dimension M2 in the X-axis direction (see FIG. 7)). As can be seen by comparing the dimensions M1 and M2 in FIG. 7, the distance between the front surface 50a and the back surface 50b is smaller than the distance between the right side surface 50e and the left side surface 50f. That is, the casing 50 is thinned. Further, as described later, when the first rotation shaft 32d of the suction rotor 32 is made perpendicular to the back surface 50b by inclining the suction rotor 32 with respect to the back surface 50b (the surface 32a of the suction rotor 32 is parallel to the back surface 50b And the dimension M3 in the Z-axis direction can be made smaller.

  In the casing 50 shown in FIGS. 3 and 4, the longest side of the casing 50 is disposed along the Z-axis direction, and the reproduction fan 35 is arranged in order from the top (from the side closer to the upper side surface 50c). , An adsorption rotor 32 and an adsorption fan 34 are arranged.

  A grid 51 is attached to the front surface 50a of the casing 50, as shown in FIG. FIG. 10 shows an appearance in which the grid 51 is removed from the front surface 50 a of the humidifying unit 30. The casing 50 shown in FIG. 10 is viewed from the lower left. In the front surface 50a of the casing 50, a semicircular pre-suction air intake port 52 is formed at a position slightly below the central portion of the front surface 50a. The longitudinal direction of the pre-adsorption air inlet 52 is parallel to the X-axis direction. The exposed adsorption rotor 32 is visible from the air inlet 52 before adsorption.

  A pipe connection cover 53 is attached to the left side surface 50 f of the casing 50. In FIG. 11, a part of the external appearance of the humidifying unit 30 with the pipe connection cover 53 removed is shown enlarged. The pipe connection cover 53 covers the pipe connection portions 31a and 31b. The pipe connection portion 31 a is connected to the refrigerant communication pipe 6 connected to the closing valve 26. The pipe connection portion 31 b is connected to the refrigerant communication pipe 6 connected to the indoor heat exchanger 42 of the indoor unit 4. The left side surface 50f of the casing 50 is formed with an air intake before regeneration 54 and an opening 55 for taking out the humidifying hose 36 from the inside of the casing 50 to the outside (see FIG. 6). The pre-regeneration air intake 54 is also formed on the right side surface 50e as shown in FIG. A suction fan outlet 56 is formed on the lower side surface 50d of the casing 50 (see FIG. 7).

(3-1-2) Adsorption rotor unit 39
The adsorption rotor unit 39 is configured to include the regeneration heat exchanger 31, the adsorption rotor 32, and the rotor motor 33. The adsorption rotor 32 is a disk-shaped member. A large number of through holes (not shown) are formed in the rotor body 32c from the circular surface 32a of the adsorption rotor 32 to the circular back surface 32b so that air passes through the adsorption rotor 32 from the surface 32a to the back surface 32b. Is configured. The adsorption rotor 32 contains a polymeric adsorbent. The adsorbent has a function of adsorbing moisture from air passing through the adsorption rotor 32, and when air heated to a temperature higher than normal temperature passes through the adsorption rotor 32, moisture is absorbed into the heated air. It has the function of detaching. In the disk-like area where the adsorption rotor 32 is disposed, it is the adsorption area that the air taken in from the pre-adsorption air intake port 52 passes before it is blown out from the adsorption fan outlet 56, and the air before regeneration is It is a regeneration area that the air taken in from the intake 54 passes through the humidification hose 36 and is sent to the indoor unit 4. The adsorption area and the regeneration area are arranged so as not to overlap. In the humidifying unit 30 according to the first embodiment, the adsorption area occupies the lower half of the generally disc-like area, and the regeneration area occupies the upper half of the generally disc-like area. In addition, the occupancy ratio of the suction area and the reproduction area can be appropriately designed. For example, the reproduction area may be fanned and the remaining may be set as the suction area.

  The suction rotor unit 39 supports the suction rotor 32 so that the suction rotor 32 rotates around the first rotation shaft 32d, as shown in FIG. The adsorption rotor 32 rotates around a first rotation axis 32 d inclined with respect to the back surface 50 b. The adsorption rotor 32 is disposed such that an angle α between the first rotation shaft 32 d and the X axis shown in FIG. 9 is, for example, 10 degrees to 30 degrees. Here, the angle α between the first rotation shaft 32d and the X axis is about 15 degrees. The adsorption rotor 32 rotates 30 times per hour, for example. When the adsorption rotor 32 makes one rotation around the first rotation shaft 32d, the adsorption rotor 32 passes through the adsorption area and the regeneration area to perform adsorption of water and desorption of water. Therefore, the adsorption rotor unit 39 holds the heat exchanger 31 for regeneration and the heat exchange for regeneration so that all the pre-regeneration air heated by passing through the regeneration heat exchanger 31 can pass through the adsorption rotor 32. A path of air passing through the vessel 31 and further passing through the regeneration area is formed.

  The regeneration heat exchanger 31 is disposed in parallel to the back surface 32 b of the adsorption rotor 32 disposed in this manner. For example, the envelope surface 31P of the front end of the fin of the heat exchanger 31 for regeneration is substantially parallel to the back surface 32b of the adsorption rotor 32. The regeneration heat exchanger 31 is preferably disposed obliquely along the adsorption rotor 32 in order to bring the regeneration heat exchanger 31 close to the adsorption rotor 32 and reduce the loss of thermal energy. In this case, those inclined by ± 10 degrees with respect to the back surface 32 b of the suction rotor 32 are also included along the suction rotor 32. The heat exchanger 31 for regeneration is disposed so that the center of gravity is closer to the back surface 50 b than the front surface 50 a of the casing 50. When the center of gravity of the heat exchanger 31 for regeneration is located at a point close to the back surface 50b of the casing 50, the moment of force acting in the direction to move the humidifying unit 30 away from the wall 100 is greater than the case where the center of gravity is near the front surface 50a. Since it becomes small, it becomes easy to make wall surface WS face back surface 50b, and to install.

  The pre-regeneration air sent to the regeneration heat exchanger 31 is taken in from the pre-regeneration air intake 54 formed on the right side surface 50 e and the left side surface 50 f. The pre-regeneration air intake 54 includes an oblique cut portion 54 a that is obliquely cut along the inclination of the adsorption rotor 32. The air intake 54 before regeneration is enlarged by the extent that the opening is expanded by such an oblique cut portion 54a, and the flow path resistance of the air before regeneration is reduced.

(3-1-3) Adsorption fan 34
Here, an example in which a sirocco fan is used for the suction fan 34 is shown, but a fan that can be used for the suction fan 34 is not limited to the sirocco fan. However, as the suction fan 34, it is preferable to use a centrifugal fan which easily meets the conditions of the occupied volume and the air flow rate. The suction fan 34 includes a suction fan rotor 34a that rotates around the second rotation shaft 34b, a suction motor 34c, a suction fan case 34d, and a suctioned air duct 34e. The second rotation shaft 34b extends in the direction perpendicular to the back surface 50b. The suction motor 34c rotates the suction fan rotor 34a. The adsorption fan 34 guides the pre-adsorption air from the pre-adsorption air intake 52 to the adsorption rotor 32 by the adsorption fan rotor 34 a. Then, the air before adsorption is sent by the adsorption fan rotor 34a, passes through the adsorption rotor 32 in the adsorption area, passes through the adsorption rotor 32, and is deprived of moisture by the adsorption rotor 32, and becomes air after adsorption. At this time, the air passing through the adsorption rotor 32 passes through the adsorption rotor 32 in parallel with the first rotation shaft 32 d of the adsorption rotor 32. Thus, when air passes through the adsorption rotor 32 in parallel with the first rotation shaft 32 d, it passes through the adsorption rotor 32 compared to the case where air is inclined with respect to the first rotation axis 32 d and inclined more than 30 degrees, for example. Resistance to the air is reduced.

  On the side of the back surface 32b of the suction rotor 32, a duct 34e for air after suction is disposed. The suctioned air duct 34e is larger than a portion where the suction rotor 32 and the suction area overlap with each other in a front view, and is larger than the suction circular hole 34f of the bell mouth 34g of the suction fan 34. And the duct 34e for air for adsorption | suction is arrange | positioned so that the part where the adsorption | suction rotor 32 and an adsorption | suction area | region overlap, and suction circle hole 34f of bell mouth 34g may be covered in plain view. The suctioned air sucked from the suction air duct 34e through the suction circular hole 34f of the bell mouth 34g of the suction fan 34 from the air duct 34e to the suction fan 34 is blown out from the suction fan outlet 56.

  As shown in FIG. 8, the suction fan 34 is disposed so that the region RE1 of the suction circular hole 34f of the bell mouth 34g and the partial region RE2 of the suction rotor 32 overlap in a front view. The partial region RE2 of the suction rotor 32 is disposed between the suction fan 34 and the front surface 50a of the casing 50. By arranging the partial region RE2 of the adsorption rotor 32 between the adsorption fan 34 and the front surface 50a of the casing 50, it is possible to suppress the flow path resistance when introducing the air before adsorption to the adsorption rotor low. The fan 34 can be miniaturized.

  The farthest from the suction circular hole 34f in the projection range of the suction circular hole 34f of the bell mouth 34g (the part overlapping the suction circular hole 34f in front view) in the back surface 32b of the suction rotor 32 shown in FIG. The farthest separation point P1 is separated by 60% of the radius r1 of the suction circular hole 34f. In order to facilitate the flow of air between the suction rotor 32 and the suction fan 34 in the region not overlapping the suction rotor 32 of the suction circular holes 34f of the bell mouth 34g of the suction fan 34, the most distant point P1 Are preferably separated by 10% or more of the radius r1. In addition, since it is difficult to make the humidification unit 30 thinner if the adsorption rotor 32 is too far from the adsorption fan 34, for example, in the adsorption rotor 32, the remotest location P1 is 40% or more of the radius r1 of the suction circular hole 34f. In the case, the distance from the suction circular hole 34f to the closest closest point P2 is set to be less than 40% of the radius r1 of the suction circular hole 34f. Here, the distance from the suction circular hole 34f to the closest location P2 is about 35% of the radius r1 of the suction circular hole 34f.

  The suction fan 34 is disposed such that the center of gravity is closer to the back surface 50 b than the front surface 50 a of the casing 50. When the center of gravity of the suction fan 34 and the regeneration fan 35, which are heavy objects, is located at a point close to the back surface 50b of the casing 50, the direction of moving the humidifying unit 30 away from the wall 100 compared with the case where the center of gravity is near the front surface 50a Since the moment of the force acting on the wall surface WS decreases, it becomes easy to install the back surface 50b opposite to the wall surface WS.

(3-1-4) Reproduction fan 35
Here, an example in which a turbo fan is used as the reproduction fan 35 is shown, but a fan that can be used for the reproduction fan 35 is not limited to the turbo fan. However, it is preferable that a centrifugal fan that easily meets the conditions of the occupied volume and the air flow rate be used as the reproduction fan 35. The reproduction fan 35 includes a reproduction fan rotor 35a that rotates around the third rotation shaft 35b, a reproduction motor 35c, a reproduction fan case 35d, and a post-reproduction air duct 35e. The third rotation shaft 35 b extends in the direction perpendicular to the back surface 50 b. The reproduction motor 35c rotates the reproduction fan rotor 35a. The regeneration fan 35 guides the pre-regeneration air from the pre-regeneration air intake 54 to the adsorption rotor 32 by the regeneration fan rotor 35 a. Then, the air before regeneration is sent by the regeneration fan rotor 35a, passes through the adsorption rotor 32 in the regeneration area, passes through the adsorption rotor 32, and is thus given moisture to the adsorption rotor 32, and becomes regeneration air. The air before regeneration is heated by the heat exchanger 31 for regeneration before reaching the back surface 32 b of the adsorption rotor 32. At this time, the air passing through the adsorption rotor 32 passes through the adsorption rotor 32 in parallel with the first rotation shaft 32 d of the adsorption rotor 32. Thus, when air passes through the adsorption rotor 32 in parallel with the first rotation shaft 32 d, it passes through the adsorption rotor 32 compared to the case where air is inclined with respect to the first rotation axis 32 d and inclined more than 30 degrees, for example. Resistance to the air is reduced.

  On the side of the surface 32 a of the adsorption rotor 32, a duct 35 e for air after regeneration is disposed. The duct 35e for air after regeneration is larger than a portion where the suction rotor 32 and the regeneration area overlap in a front view, and is larger than the suction port 35f of the fan 35 for regeneration. And the duct 35e for air after reproduction | regeneration is arrange | positioned so that the part and suction inlet 35f which the adsorption | suction rotor 32 and a reproduction | regeneration area | region overlap may be covered in plain view. The regeneration fan 35 is disposed along the front surface 50a of the casing 50 along the front surface 50a of the casing 50 after the regeneration air that has passed through the regeneration heat exchanger 31 in the order of the back surface 32b and the front surface 32a of the adsorption rotor 32. To the suction port 35 f of the suction rotor 32. The air after regeneration, which is sucked into the regeneration fan 35 from the air duct 35e after regeneration through the suction port 35f of the regeneration fan 35, is blown out through the humidification hose 36.

  The reproduction fan 35 is disposed such that the center of gravity of the reproduction fan 35 is closer to the back surface 50 b than the front surface 50 a of the casing 50. When the gravity center of the suction fan 34 and the regeneration fan 35, which are heavy objects, is located at a point close to the back surface 50b of the casing 50, the humidifying unit 30 is moved away from the wall as compared with the case where the gravity center is near the front surface 50a. Since the moment of the acting force is reduced, the back surface 50b can be easily placed opposite to the wall surface WS.

(3-1-5) Positional relationship between the suction rotor 32, the suction fan 34, and the regeneration fan 35 The suction rotor 32, the suction fan rotor 34a, and the regeneration fan rotor 35a are in one direction along the back surface 50b (Z axis Direction) is arranged side by side. In the YZ plane in which the first rotation shaft 32d of the suction rotor 32, the second rotation shaft 34b of the suction fan rotor 34a, and the third rotation shaft 35b of the reproduction fan rotor 35a pass through one straight line L1 extending in the Z-axis direction Lined up. As seen in the arrangement direction of the suction rotor 32, the suction fan rotor 34a, and the regeneration fan rotor 35a, that is, from the lower side surface 50d to the upper side surface 50c along the straight line L1, as shown in FIG. A part of the rotor 32 and a part of the suction fan rotor 34a overlap with a part of the regeneration fan rotor 35a, and the distance M between the front surface 50a and the back surface 50b can be reduced to reduce the dimension M1 in the Y-axis direction. Can be made thinner.

  Further, since the first rotation shaft 32d and the third rotation shaft 35b of the second rotation shaft 34b are arranged in the YZ plane passing through one straight line L1 extending in the Z-axis direction, the suction fan rotor 34a and The dimension M2 of the casing 50 in the X-axis direction can be reduced so that the regeneration fan rotor 35a and the suction rotor 32 do not protrude in the X-axis direction.

  In the adsorption rotor 32, air flows from the front surface 32a to the back surface 32b of the adsorption rotor 32 in the adsorption area, and in the regeneration area, air flows from the rear surface 32b to the front surface 32a of the adsorption rotor 32. That is, the suction fan 34 and the regeneration fan 35 are disposed such that the air flow of the air before adsorption and the air flow of the air before reproduction are opposite to each other. Since the air flow of the air before landing and the air flow of the air before regeneration are opposite flows, the humidifying ability can be improved as compared with the case where the air flows in the same direction.

(4) Modifications (4-1) Modification 1A
In the first embodiment, the suction fan 34 and the regeneration fan 35 are disposed so that the air flow of the air before suction and the air flow of the air before reproduction are opposite to each other, but the suction fan 34 and the fan for reproduction are arranged As shown in FIG. 13, the air flow 35 may be arranged so that the air flow of the air before adsorption and the air flow of the air before regeneration flow in the same direction. In the humidifying unit 30A shown in FIG. 13, an air intake 57 before regeneration is formed on the front surface 50a of the casing 50A. The pre-regeneration air inlet 57 is formed in a rectangular shape having substantially the same size as the regeneration heat exchanger 31 in a front view. A grid 58 is attached to the pre-regeneration air intake 57. Even when the air intake 57 before regeneration is formed in the front surface 50a, the air intake before regeneration may be provided close to the front surface 50a in the right side surface 50e and the left side surface 50f as in the first embodiment. .

(4-2) Modified Example 1B
In the first embodiment, the case where the pre-adsorption air intake 52 is formed on the front surface 50 a of the casing 50 has been described, but the pre-adsorption air intake may be formed on the side. For example, as shown in FIGS. 14 and 15, the pre-adsorption air inlet 59 may be formed on the right side 50e and the left side 50f.

(4-3) Modification 1C
In the first embodiment described above, the left side 50 f is formed with the opening 55 for disposing the humidification hose 36 from the inside to the outside of the casing 50. And as shown in FIG. 17, it may be formed on the right side surface 50e.

  Further, the opening 55 may be formed in both the right side 50e and the left side 50f facing each other. Usually, only one of the openings 55 is used, so that it is possible to cover one of the openings 55 with a cap made of resin or rubber, for example. When the through hole 101 is formed in the wall surface WS, it is possible to select the correspondence to direct the right side surface 50 e to the through hole 101 and the correspondence to direct the left side surface 50 f to the through hole 101. The degree of freedom of installation of the humidifying unit 30 can be improved as compared with the case of providing on one side.

(4-4) Modification 1D
In the first embodiment, the case where only the first rotation shaft 32d of the suction rotor 32 is inclined to the back surface 50b has been described, but the second rotation shaft 34b of the suction fan 34 and / or the reproduction fan 35 The third rotation shaft 35b may be configured to be inclined with respect to the back surface 50b. In the humidifying unit 30B shown in FIG. 18, the first rotation shaft 32d of the suction rotor 32 and the second rotation shaft 34b of the suction fan 34 are inclined with respect to the back surface 50b. In the humidifying unit 30B shown in FIG. 18, the suction rotor 32 and the suction fan 34 are disposed such that the first rotation shaft 32d and the second rotation shaft 34b are parallel to each other. Further, in a front view, the suction rotor 32 and the suction fan rotor 34 a of the suction fan 34 are arranged to overlap. In the humidifying unit 30B shown in FIG. 18, similarly to the humidifying unit 30 of the first embodiment, the first rotary shaft 32d, the second rotary shaft 34b, and the first rotary shaft 34b are arranged in the YZ plane extending in the Z direction at the center of the casing 50B. The three rotation shafts 35 b are arranged side by side. Although the humidifying unit 30B shown in FIG. 18 is configured such that the first rotation shaft 32d and the second rotation shaft 34b are parallel, for example, the first rotation shaft 32d and the second rotation shaft 34b are in the YZ plane. The inclination angles with respect to the back surface 50b may be arranged to be different so as to intersect at the inside. For example, the suction fan 34 is disposed such that an angle β between the second rotation shaft 34 b and the X axis shown in FIG. 18 is, for example, 10 degrees to 30 degrees. In the humidifying unit 30B, the third rotation shaft 35b of the regeneration fan 35 extends in the vertical direction with respect to the back surface 50b. The smallest dimension M2 in the X-axis direction in the direction parallel to the back surface 50b is the same as that of the first embodiment, and the dimension M4 in the vertical direction (Y-axis direction) is smaller than the dimension M2 in the X-axis direction It is the same as that of the first embodiment. Further, by inclining the second rotation shaft 34b with respect to the back surface 50b, the dimension M5 in the Z-axis direction is as small as the dimension M3 of the first embodiment.

  In the humidifying unit 30C shown in FIG. 19, the first rotation shaft 32d of the suction rotor 32, the second rotation shaft 34b of the suction fan 34, and the third rotation shaft 35b of the regeneration fan 35 with respect to the back surface 50b. It is inclined. In the humidifying unit 30B shown in FIG. 19, the suction rotor 32, the suction fan 34 and the regeneration fan 35 are disposed such that the first rotation shaft 32d, the second rotation shaft 34b, and the third rotation shaft 35b are parallel. It is done. Further, the first rotation shaft 32 d of the suction rotor 32 and the suction fan rotor 34 a of the suction fan 34 are disposed so as to overlap in a front view. Therefore, the dimension of the casing 50C in the Z-axis direction can be made smaller than that of the casing 50 of the first embodiment. In a front view, the adsorption rotor 32 and the regeneration fan 35 are disposed so as not to overlap except for the portion of the air duct 35e after regeneration. In the humidifying unit 30C of FIG. 19, although the regeneration fan 35 and the adsorption rotor 32 except the after-reproduction air duct 35e are arranged not to overlap in a front view, even if they are arranged to overlap each other. Good. In the humidifying unit 30C shown in FIG. 19, as in the humidifying unit 30 of the first embodiment, the first rotation shaft 32d, the second rotation shaft 34b, and the The three rotation shafts 35 b are arranged side by side. The humidifying unit 30C shown in FIG. 19 is configured such that the first rotation shaft 32d, the second rotation shaft 34b, and the third rotation shaft 35b are parallel to one another. For example, the first rotation shaft 32d and the The inclination angles to the back surface 50b may be different so that the 2 rotation shaft 34b, the first rotation shaft 32d and the third rotation shaft 35b, and the second rotation shaft 34b and the third rotation shaft 35b intersect in the YZ plane. . The reproduction fan 35 is disposed such that an angle γ between the third rotation shaft 35 b and the X axis shown in FIG. 19 is, for example, 10 degrees to 30 degrees. The smallest dimension M2 in the X-axis direction in the direction parallel to the back surface 50b is the same as in the first embodiment, and the dimension M6 in the vertical direction (Y-axis direction) is smaller than the dimension M2 in the X-axis direction It is the same as that of the first embodiment. Further, by inclining the third rotation shaft 35b with respect to the back surface 50b, the dimension M7 in the Z-axis direction is smaller than the dimension M3 in the first embodiment.

(4-5) Modification 1E
In the first embodiment and the modified examples 1A to 1D, in a front view (in other words, when viewed in the thickness direction), the suction circular hole 34f serving as the suction fan suction port overlaps the partial region of the suction rotor 32 However, the suction port 35f, which is a fan suction port for regeneration, may be arranged to overlap with a partial region of the suction rotor 32 in a front view.

(4-6) Modification 1F
In the first embodiment and the modified examples 1A to 1E, the humidifying units 30, 30A to 30C are arranged such that the longitudinal direction (the direction in which the sides of the dimensions M3, M5, and M7 extend) of the casings 50, 50A to 50C coincide with the Z axis direction. Although 30C is attached, it is rotated in a plane parallel to the back surface 50b, for example, even if the humidifying units 30, 30A to 30C are attached so that the longitudinal direction of the casings 50, 50A to 50C extends in the X axis direction. Good.

(5) Characteristics (5-1)
The humidifying unit 30 of the first embodiment, the humidifying unit 30A of the modified example 1A, and the humidifying units 30B and 30C of the modified example 1D are examples of the humidity control unit. The adsorption rotor 32 rotates around a first rotation shaft 32d inclined with respect to the back surface 50b of the casings 50, 50A, 50B, 50C. Since the adsorption rotor 32 is disposed obliquely with respect to the back surface 50b, the humidifying units 30, 30A to 30C such as the adsorption fan 34 and the regeneration fan 35 are suppressed while suppressing the increase of the gap in the narrow space inside the casing 50. It is easy to arrange the devices that make up the As a result, the dimensions M3, M5, and M7 in the in-plane direction parallel to the back surface 50b can be reduced while suppressing the thickness (dimensions M1, M4, and M5) of the humidifying units 30, 30A to 30C, and downsizing can be achieved. There is.

(5-2)
In the first embodiment and the modified examples 1A to 1F described above, at least one of the suction circular hole 34f, which is a suction fan suction port, and the suction port 35f, which is a regeneration fan suction port, The suction rotor 32, the suction fan 34, and the regeneration fan 35 are disposed so as to overlap in a front view. When the suction circular hole 34f and a partial region of the suction rotor 32 overlap, the occupied area of the suction fan 34 and the suction rotor 32 becomes small with respect to the in-plane dimension parallel to the back surface 50b. Specifically, the suction fan The dimensions M3, M5, and M7 in the direction in which the suction rotor 34 and the adsorption rotor 32 are aligned can be reduced, and the in-plane dimensions of the humidifying units 30, 30A to 30C can be made compact. Similarly, when the suction port 35f and a partial region of the suction rotor 32 overlap, the occupied area of the fan 35 for reproduction and the suction rotor 32 becomes small with respect to the in-plane dimension parallel to the back surface 50b. The dimensions in the direction in which the fan 35 and the suction rotor 32 are aligned can be reduced, and the in-plane dimensions of the humidifying units 30, 30A to 30C can be made compact.

(5-3)
In the humidifying units 30 and 30 </ b> A to 30 </ b> C, a part of the adsorption rotor 32 is disposed between the adsorption fan 34 and the front surface 50 a of the casing 50. With such an arrangement, it is possible to form an air stream of pre-suction air that flows through the partial area of the suction rotor 32 and flows to the suction fan 34 in a short distance, so when introducing the pre-suction air to the suction rotor 32 The flow path resistance can be kept low. As a result, since the air blowing capacity of the suction fan 34 can be small, it is easy to miniaturize the suction fan 34, and it is easy to miniaturize the humidifying units 30, 30A to 30C.

(5-4)
The suction fan 34 is a centrifugal fan having a bell mouth 34g, and the suction rotor 32 is such that the most distant point P1 farthest from the suction round hole 34f of the bell mouth 34g is 10% or more of the radius of the suction round hole 34f It is arranged. With such a configuration, air can easily flow between the suction fan 34 and the suction rotor 32 in a region not overlapping the suction rotor 32 in the suction circular holes 34f of the bell mouth 34g, and the suction rotor 32 is sufficient. Since the amount of air before adsorption can be easily derived, it is easy to ensure the humidification performance even if it is compact.

(5-5)
In the suction rotor 32, the most distant part P1 of the suction rotor 32 is separated by 40% or more of the radius r1 (see FIG. 8) of the suction circular hole 34f from the suction circular hole 34f, and the closest contact point P2 closest to the suction circular hole 34f is suctioned It is separated from the circular hole 34f by less than 40% of the radius r1 of the suction circular hole 34f. Since the closest point P2 of the suction rotor 32 is less than 40% of the radius r1 of the suction circular hole 34f of the bell mouth 34g, the air is made easy to flow between the suction fan 34 and the suction rotor 32. The suction rotor 32 and the suction fan 34 can be brought close to each other. As a result, the downsizing of the humidifying unit 30 can be improved while securing the humidifying performance.

(5-6)
In the humidifying units 30, 30A to 30C of the first embodiment, the centers of gravity of the suction fan 34 and the reproduction fan 35 are arranged to be closer to the back surface 50b than the front surface 50a of the casings 50, 50A to 50C There is. Since the centers of gravity of the suction fan 34 and the regeneration fan 35, which are heavy objects, are located at points close to the back surface 50b of the casings 50 and 50A to 50C, humidification is achieved compared to the case where these centers of gravity are near the front surface 50a. The moment of force acting in the direction of moving the units 30, 30A to 30C away from the wall 100 is reduced. For example, when the center of the humidifying units 30, 30A to 30C in the Y-axis direction is supported by hand, it falls over toward the wall 100. As described above, the force acting in the direction of separating the humidifying units 30, 30A to 30C from the wall 100 is reduced, and the back surface 50b can be easily installed facing the wall surface WS.

(5-7)
The humidifying units 30 and 30A to 30C described above are disposed so that the center of gravity of the heat exchanger 31 for regeneration is located closer to the back surface 50b than the front surface 50a of the casings 50 and 50A to 50C. Since the moment of force acting in the direction to move the humidifying units 30, 30A to 30C away from the wall 100 is smaller than when the center of gravity of the heat exchanger 31 is near the front face 50a, the back face 50b is made to face the wall surface WS. It becomes easy to install.

(5-8)
Since the regeneration heat exchanger 31 is disposed obliquely along the adsorption rotor 32, the regeneration heat exchanger 31 can be brought closer to the adsorption rotor 32 as a whole. As a result, the heat energy given from the heat exchanger for regeneration 31 to the air before regeneration becomes difficult to escape to the surrounding members, so that the downsizing can be achieved while reducing the loss of the heat energy.

(5-9)
As described in the modification 1D, at least one of the second rotation shaft 34b and the third rotation shaft 35b of the suction fan 34 and the regeneration fan 35 of the humidifying units 30B and 30C is opposed to the back surface 50b. It is disposed so as to be inclined and along the first rotation shaft 32d. As described above, when at least one of the second rotation shaft 34b and the third rotation shaft 35b is disposed obliquely to the back surface 50b and along the first rotation shaft 32d, the suction fan 34 and / or Alternatively, both the regeneration fan 35 and the suction rotor 32 can be disposed obliquely and brought close to each other. As a result, the dimensions M5 and M7 in the in-plane direction parallel to the back surface 50b can be reduced while suppressing the thickness (dimensions M4 and M5) of the humidifying units 30B and 30C, thereby achieving downsizing.

(5-10)
In the humidifying units 30, 30A to 30C, the adsorption rotor 32 is housed in the adsorption rotor unit 39 together with the regeneration heat exchanger 31 for heating the adsorption rotor for regeneration. For example, as shown in FIGS. 8 and 9, the suction rotor unit 39 is disposed to contact the front surface 50a and the back surface 50b of the casing 50 at contact points P3 and P4. Also, as shown in FIGS. 8 and 9, the suction fan 34 is disposed to contact the back surface 50b of the casing 50, and the regeneration fan 35 is close to the front surface 50a and the back surface 50b of the casing 50. It is arranged to be. As described above, since the suction rotor unit 39 including the suction rotor 32 in an oblique arrangement is arranged to be in contact with the front surface 50a and the rear surface 50b of the casing 50, the dimension M1 of the casing 50 in the thickness direction is the suction rotor unit The vertical dimension of the back face 50b of 39 is the same. Thus, thinning of the humidifying unit 30 is achieved.

  The adsorption rotor unit does not need to be in contact with the front and back of the casing but may be disposed close to each other as long as thinning of the humidifying unit 30 can be achieved. Similarly, the suction fan is placed in contact with or in proximity to the front and / or back of the casing, and the regeneration fan is in contact or in proximity to the front and / or back of the casing. It should just be arrange | positioned.

Second Embodiment
(6) Overall Configuration The humidification unit 30 of the first embodiment and the humidification units 30A to 30C of the modifications 1A to 1F are described as the humidity control unit incorporated in the air conditioner 1 to humidify the indoor ID. The same unit as the humidifying units 30, 30A to 30C may be installed indoors and the air after regeneration may be discharged to the outside to be used as a dehumidifying unit.

  FIG. 20 shows the air conditioner 1 to which the dehumidifying unit 30D is attached. Further, FIG. 21 shows the concept of the configuration of the dehumidifying unit 30D shown in FIG. The dehumidifying unit 30D is an example of the humidity control unit in the second embodiment. Similar to the humidifying unit 30 of the first embodiment, the dehumidifying unit 30D of the second embodiment has the heat exchanger 31 for regeneration, the adsorption rotor 32, the motor 33 for the rotor, the fan 34 for adsorption, the fan 35 for regeneration, the casing 50 and And an exhaust hose 37 instead of the humidifying hose 36 provided in the humidifying unit 30 according to the first embodiment. The configuration other than the exhaust hose 37 is the same as the dehumidifying unit 30D of the second embodiment and the humidifying unit 30 of the first embodiment, and thus the description thereof is omitted.

(7) Operation of Dehumidifying Unit 30D FIG. 22 shows a state where the casing 50 of the dehumidifying unit 30D is attached to the indoor ID. From the dehumidifying unit 30D, an exhaust hose 37 extends to the outside OD through the through hole 101. The refrigerant communication pipe 6 piping from the outdoor unit 2 to the indoor ID through the through hole 101 is connected to the pipe connection portion 31a of the dehumidifying unit 30D, and is piping from the outdoor unit 2 to the indoor ID through the through hole 101 The refrigerant communication pipe 5 is connected to the indoor unit 4 (connection pipe 72). The indoor unit 4 (connection pipe 71) and the pipe connection portion 31b of the dehumidifying unit 30D are connected by the refrigerant communication pipe 6 which is piped in the indoor ID. The dehumidifying unit 30D is attached to, for example, a room different from the indoor unit 4, and is disposed, for example, in a drying chamber.

  When the dehumidifying unit 30D dehumidifies, pre-suction air is taken in from the room ID through the pre-suction air intake 52 by the suction fan 34 and sent to the suction rotor 32. Then, after the adsorption rotor 32 dehydrates and dries the adsorbed air, the adsorption fan 34 blows air from the adsorption fan outlet 56 into the indoor ID. In addition, the air before regeneration is taken in from the room ID through the air intake before regeneration 54 by the regeneration fan 35 and sent to the adsorption rotor 32. The regenerated air supplied with moisture by the adsorption rotor 32 is blown out to the outside OD through the exhaust hose 37 by the regeneration fan 35.

(8) Modification (8-1) Modification 2A
Although the case where the indoor unit 4 and the dehumidifying unit 30D are used in combination in FIG. 20 has been described in the second embodiment, the dehumidifying unit 30D and the outdoor unit 2 can be removed except for the indoor unit 4 as shown in FIG. Can also be used by direct connection.

Third Embodiment
(9) Overall Configuration In the second embodiment described above, the dehumidifying unit 30D is installed in the indoor ID to dehumidify the indoor ID, but the humidifying unit 30E shown in FIG. 24 is installed in the indoor ID. The indoor ID may be configured to be humidified. The concept of the configuration of the humidifying unit 30E shown in FIG. 24 is shown in FIG.

  The humidifying unit 30E is an example of the humidity control unit in the third embodiment. Similar to the humidifying unit 30 of the first embodiment, the humidifying unit 30E of the third embodiment includes the heat exchanger 31 for regeneration, the adsorption rotor 32, the motor 33 for the rotor, the fan 34 for adsorption, the fan 35 for regeneration, and the casing 50. And a humidification hose 36. The humidifying unit 30E according to the third embodiment further discharges the air after adsorption to the outdoor OD through the through hole 101 and the air supply hose 38 for taking in the air before adsorption from the outdoor OD through the through hole 101. And an exhaust hose 37 for the purpose. In addition, the humidification hose 36 of the humidification unit 30E is a hose which connects the humidification unit 30E and the indoor unit 4 in indoor ID. The configurations other than the exhaust hose 37 and the air supply hose 38 are the same as the humidifying unit 30E of the third embodiment and the humidifying unit 30 of the first embodiment, and thus the description thereof will be omitted.

(10) Operation of Humidification Unit 30E FIG. 26 shows a state in which the casing 50 of the humidification unit 30E is attached to the indoor ID. When the humidifying unit 30 E performs humidification, the adsorption fan 34 takes in air before adsorption from the outside OD through the air supply hose 38 and the air inlet 52 for adsorption before it is sent to the adsorption rotor 32. Then, after the adsorption rotor 32 dehydrates and dries the adsorbed air, the adsorption fan 34 blows air from the adsorption fan outlet 56 through the exhaust hose 37 to the outside OD. In addition, the air before regeneration is taken in from the room ID through the air intake before regeneration 54 by the regeneration fan 35 and sent to the adsorption rotor 32. The regenerated air supplied with moisture by the adsorption rotor 32 is sent to the indoor unit 4 through the humidification hose 36 by the regeneration fan 35.

(11) Modification 3A
In the third embodiment, the humidifying unit 30E installed in the indoor ID has been described. In the third embodiment, the dehumidifying unit 30D installed in the indoor ID has been described. By providing a damper for switching the suction and discharge of the suction fan 34 and the regeneration fan 35, a dehumidifying / humidifying unit having both the humidifying function and the dehumidifying function can be configured.

  FIG. 27 shows a humidity control unit 30F having a humidifying function and a dehumidifying function. The humidity control unit 30F further includes four dampers 61 to 64 with respect to the configuration of the humidification unit 30E. The dampers 61 and 62 switch one of the air before adsorption and the air before regeneration from the indoor ID and switch the other from the outdoor OD. The dampers 63 and 64 are switched so that one of the suctioned air blown out by the suction fan 34 and the regenerated air blown out by the regeneration fan 35 is blown to the indoor ID and the other is blown to the outdoor OD. . When the dampers 61 and 62 are in the state shown by the solid line in FIG. 27, air before suction is taken in from the outdoor OD through the air supply hose 38 by the suction fan 34 and sent to the suction rotor 32, Pre-regeneration air is taken in from the room ID by the regeneration fan 35 and sent to the adsorption rotor 32. When the dampers 63 and 64 are in the state shown by the solid line in FIG. 27, the air after adsorption is blown out to the outside OD through the exhaust hose 37 by the adsorption fan 34, and the air after regeneration by the regeneration fan 35. The air is blown out to the room ID through the humidity control hose 36A, and the room ID is humidified.

  On the other hand, when the dampers 61 and 62 are in the state shown by the broken line in FIG. 27, air before adsorption is taken in from the indoor ID by the adsorption fan 34 and sent to the adsorption rotor 32, and the regeneration fan Pre-regeneration air is taken in by the air supply hose 38 through the air supply hose 38 and sent to the adsorption rotor 32. Then, when the dampers 63 and 64 are in the state shown by the broken line in FIG. 27, the suctioned air is sucked by the suction fan 34 through the humidity adjustment hose 36A and blown out to the indoor ID, and the regeneration fan 35 The air after regeneration is blown out to the outdoor OD through the exhaust hose 37 to dehumidify the indoor ID. The dampers 61 to 64 may be constituted by a shutter or may be provided outside the casing.

Fourth Embodiment
(12) Overall Configuration In the first embodiment, the humidifying unit 30 is installed outside the room to humidify the indoor ID, but the dehumidifying unit 30G shown in FIG. 28 is installed outside the room OD The room ID may be configured to be dehumidified. FIG. 29 shows the concept of the configuration of the dehumidifying unit 30G shown in FIG.

  The dehumidifying unit 30G is an example of the humidity control unit in the fourth embodiment. The dehumidifying unit 30G of the fourth embodiment is similar to the humidifying unit 30 of the first embodiment in that the regeneration heat exchanger 31, the adsorption rotor 32, the rotor motor 33, the adsorption fan 34, the regeneration fan 35, and the casing 50. And have. The dehumidifying unit 30G according to the fourth embodiment further sends the air after adsorption to the room ID through the through hole 101 and the air supply hose 38 for taking in the air before adsorption from the room ID through the through hole 101. And a humidity control hose 36A. The configuration other than the humidity control hose 36A and the air supply hose 38 is the same as the dehumidifying unit 30G of the fourth embodiment and the humidifying unit 30 of the first embodiment, and thus the description thereof will be omitted.

(13) Operation of Dehumidifying Unit 30G FIG. 30 shows a state where the casing 50 of the dehumidifying unit 30G is attached to the outdoor OD. When the dehumidifying unit 30 G dehumidifies, air before adsorption is taken in from the indoor ID through the air supply hose 38 and the air inlet for adsorption 52 and sent to the adsorption rotor 32 by the adsorption fan 34. Then, after the adsorption rotor 32 dehydrates and dries the adsorbed air, the adsorption fan 34 blows air from the adsorption fan outlet 56 through the humidity control hose 36A to the indoor ID. Further, the air before regeneration is taken in from the outdoor OD through the air intake before regeneration 54 by the regeneration fan 35 and sent to the adsorption rotor 32. The regenerated air supplied with moisture by the adsorption rotor 32 is blown out to the outside OD by the regeneration fan 35.

(14) Modification 4A
In the fourth embodiment, the dehumidifying unit 30G installed at the outdoor OD has been described. Moreover, in the first embodiment, the humidifying unit 30 installed at the outdoor OD has been described. By providing a damper for switching the suction and discharge of the suction fan 34 and the regeneration fan 35, a dehumidifying / humidifying unit having both the humidifying function and the dehumidifying function can be configured.

  FIG. 31 shows a humidity control unit 30H having a humidifying function and a dehumidifying function. The humidity control unit 30H further includes four dampers 66 to 69 with respect to the configuration of the humidification unit 30. The dampers 66 and 67 switch so that one of the air before adsorption and the air before regeneration is taken from the indoor ID and the other is taken from the outdoor OD. The dampers 68 and 69 are switched so that one of the suctioned air blown out by the suction fan 34 and the regenerated air blown out by the regeneration fan 35 is blown out to the indoor ID and the other is blown out to the outdoor OD.

  When the dampers 66 and 67 are in the state shown by the solid line in FIG. 31, the air before adsorption is taken in from the outdoor OD by the adsorption fan 34 and sent to the adsorption rotor 32, and before regeneration by the regeneration fan 35. Air is taken from the room ID through the air supply hose 38 and sent to the adsorption rotor 32. When the dampers 68 and 69 are in the state shown by the solid line in FIG. 31, the suctioned air blows out to the outside OD by the suction fan 34, and the regenerated air is regenerated by the regeneration fan 35. The air passes through and is blown out to the indoor ID, and the indoor ID is humidified.

  On the other hand, when the dampers 68 and 69 are in the state shown by the broken line in FIG. 31, the air before adsorption is taken in from the indoor ID through the air supply hose 38 by the suction fan 34 and the suction rotor 32 The air before regeneration is taken in from the outside OD by the regeneration fan 35 and sent to the adsorption rotor 32. When the dampers 68 and 69 are in the state shown by the broken line in FIG. 31, the air after suction is blown out to the indoor ID through the humidity control hose 36A by the suction fan 34, and after regeneration by the regeneration fan 35. Air is blown out to the outdoor OD, and the indoor ID is dehumidified. The dampers 66 to 69 may be configured by a shutter or may be provided outside the casing.

1 air conditioner 2 outdoor unit 4 indoor unit 30, 30A-30C, 30E humidification unit (example of humidity control unit)
30D, 30G dehumidification unit (example of humidity control unit)
30F, 30H Humidity control unit 31 Heat exchanger for regeneration 32 Suction rotor 34 Suction fan 34a Suction fan rotor 34f Suction circle hole (example of suction fan suction port)
34g Bellmouth 35 Regeneration fan 35a Regeneration fan rotor 35f Suction port 36 Humidification hose 36A Condition control hose 37 Exhaust hose 38 Air supply hose 39 Suction rotor unit 50, 50A to 50C Casing 52 Air intake before suction 54, 57 Before regeneration Air intake 56 Fan outlet for suction

JP, 2014-129950, A

Claims (10)

Casings (50, 50A to 50C) which are installed with a back surface facing the wall surface extending in the vertical direction and having a front surface facing the back surface;
A suction rotor (32) housed in the casing and rotating around a first rotation axis inclined with respect to the back surface;
It is contained in the casing, guides the air before adsorption to the adsorption rotor, and passes through the adsorption rotor in the direction along the first rotation axis, thereby sucking the moisture from the adsorption rotor and blowing out the air after adsorption. With a fan (34),
It is housed in the casing, guides air before regeneration to the adsorption rotor, and passes through the adsorption rotor in a direction along the first rotation axis, thereby blowing out the regeneration air supplied with water from the adsorption rotor. A humidity control unit comprising a fan (35). The suction fan has a suction fan suction port (34f) for suctioning the air after suction from the suction rotor,
The regeneration fan has a regeneration fan suction port (35f) for sucking in the air after regeneration from the adsorption rotor,
The suction fan and the regeneration fan are disposed such that at least one of the suction fan suction port and the regeneration fan suction port overlaps a partial region of the suction rotor in a front view.
The humidity control unit according to claim 1. The suction rotor is disposed at a position closer to the front of the casing than the suction fan.
The humidity control unit according to claim 2. The suction fan is a centrifugal fan having a bell mouth (34 g),
The adsorption rotor is disposed such that the most distant point farthest from the suction circular hole of the bell mouth is 10% or more of the radius of the suction circular hole.
The humidity control unit according to claim 3. In the adsorption rotor, the most distant point is separated by 40% or more of the radius of the suction circular hole, and the closest point closest to the suction circular hole is separated less than 40% of the radius of the suction circular hole.
The humidity control unit according to claim 4. The suction fan and the regeneration fan are disposed such that their centers of gravity are located closer to the back than the front of the casing.
The humidity control unit according to any one of claims 1 to 5. It further comprises a regeneration heat exchanger (31) for heating the pre-regeneration air that penetrates the adsorption rotor,
The regeneration heat exchanger is disposed such that the center of gravity is located at a point closer to the back than the front of the casing.
The humidity control unit according to any one of claims 1 to 6. The regeneration heat exchanger is disposed obliquely along the adsorption rotor.
The humidity control unit according to claim 7. The suction fan has a suction fan rotor (34a) that rotates around a second rotation axis,
The reproduction fan includes a reproduction fan rotor (35a) that rotates around a third rotation axis.
The suction fan and the reproduction fan are disposed such that at least one of the second rotation axis and the third rotation axis is oblique to the back surface and along the first rotation axis. Yes,
The humidity control unit according to any one of claims 1 to 8. The adsorption rotor is housed in an adsorption rotor unit (39) together with a heating device for heating the adsorption rotor for regeneration.
The adsorption rotor unit is arranged to be in contact with or close to the front and back of the casing,
The suction fan is disposed in contact with or in proximity to the front and / or the back of the casing,
The regeneration fan is arranged to be in contact with or close to the front and / or the back of the casing.
The humidity control unit according to any one of claims 1 to 9.

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