JP2010065936A - Humidity control system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a humidity control system having high dehumidification performance and excellent energy saving property. <P>SOLUTION: A solar radiation heat recovery means (63) for absorbing solar radiation heat is provided outside a building (B). The solar radiation heat absorbed by the solar radiation heat recovery means (63) is applied to air to be sent to adsorption members (51, 52) during regeneration operation. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a humidity control system that includes an adsorption member that adsorbs moisture in the air and performs at least dehumidification in a room.

  2. Description of the Related Art Conventionally, a humidity control system that adjusts humidity of outdoor air or room air and supplies the air after humidity control to the room is known. For example, Patent Document 1 discloses a humidity control system including an adsorption heat exchanger.

  The humidity control system of Patent Document 1 has a refrigerant circuit in which a refrigerant circulates and a refrigeration cycle is performed. A compressor, a first adsorption heat exchanger, a second adsorption heat exchanger, an expansion valve, and a four-way switching valve (refrigerant channel switching mechanism) are connected to the refrigerant circuit. The adsorption heat exchanger has an adsorbent supported on the surface of the heat exchanger, and constitutes an adsorption member for adjusting moisture humidity.

  In the refrigerant circuit, the circulation direction of the refrigerant can be switched reversibly according to the setting of the four-way switching valve. In the humidity control system, the setting of the four-way switching valve is switched every predetermined time, so that the high pressure refrigerant flows through the first adsorption heat exchanger and the low pressure refrigerant flows through the second adsorption heat exchanger, and the first adsorption heat. An operation in which the low-pressure refrigerant flows through the exchanger and the high-pressure refrigerant flows through the second adsorption heat exchanger is alternately performed.

  In the adsorption heat exchanger (evaporator) that flows through the low-pressure refrigerant, moisture in the air is adsorbed by the adsorbent. In the adsorption heat exchanger (condenser or radiator) that flows through the high-pressure refrigerant, moisture is desorbed from the adsorbent and applied to the air. As described above, in each adsorption heat exchanger, the operation of adsorbing moisture (adsorption operation) and the operation of releasing the adsorbed moisture into the air (regeneration operation) are alternately performed as the four-way switching valve is switched. Is called.

This humidity control system supplies one of the air that has passed through each adsorption heat exchanger to the room and discharges the other to the outside. For example, during the dehumidifying operation, air that has passed through one of the first and second adsorption heat exchangers that operates as an evaporator is supplied into the room, and air that has passed through the one that operates as a condenser to the outside. An air flow path in the casing is set so as to be discharged. In this humidity control system, such air circulation paths are switched by opening and closing operations of a plurality of dampers.
JP 2005-291532 A

  By the way, in the humidity control system as described above, after moisture is adsorbed by the adsorbent, it is necessary to perform a regenerating operation in order to recover the adsorbent adsorption capacity. That is, during the regeneration operation, the adsorbent is heated to a predetermined temperature to promote the desorption (desorption) of water, so that sufficient adsorption capacity can be obtained in the subsequent adsorption operation, and the dehumidification performance can be improved. Can be planned. However, when the temperature of the adsorbent is sufficiently raised in this way, the energy required for heating increases, resulting in a problem that the energy saving performance of the humidity control system is impaired.

  This invention is made | formed in view of this point, The objective is to propose the humidity control system with high dehumidification performance and excellent energy saving property.

  The first invention includes an adsorption member (51, 52) that performs an adsorption operation for adsorbing moisture in the air and a regeneration operation for releasing the adsorbed moisture into the air, and the adsorption member (51 , 52) It is provided outside the building for the humidity control system that performs the dehumidifying operation that supplies the air that has passed through the room and exhausts the air that has passed through the adsorption member (51,52) during the regeneration operation to the outside. And a solar heat recovery means (63) for absorbing the solar heat and applying the solar heat to the air sent to the adsorption member (51, 52) during the regeneration operation.

  In the humidity control system according to the first aspect of the invention, the adsorption operation and the regeneration operation are performed by the adsorption members (51, 52), thereby adjusting the humidity of the air. Specifically, in the adsorption member (51, 52) during the adsorption operation, moisture in the air is adsorbed by the adsorbent of the adsorption member (51, 52). The air dehumidified as described above is supplied indoors. On the other hand, the adsorbed water is released into the air in the adsorbing members (51, 52) during the regeneration operation. The moisture-containing air is discharged outside the room. Here, in the humidity control system of the present invention, the solar heat recovery means (63) is provided to heat the air sent to the adsorption member (51, 52) during the regeneration operation.

  Specifically, the solar heat recovery means (63) is disposed outside the building and absorbs solar heat from sunlight. The solar heat absorbed by the solar heat recovery means (63) is applied to the air sent to the adsorption member (51, 52) during the regeneration operation, and the temperature of the air is increased. The heated air passes through the adsorption member (51, 52) during the regeneration operation. Here, the temperature of the air is relatively high by collecting solar solar heat. For this reason, in the present invention, the temperature of the adsorption member (51, 52) can be sufficiently raised, and the regeneration efficiency of the adsorption member (51, 52) is improved.

  In a second aspect based on the first aspect, the solar heat recovery means is connected to an inflow end of an air introduction path (8) for sending air to the adsorption member (51, 52) during the regeneration operation. It is characterized by comprising an endothermic member (63) in which an internal channel (66) is formed.

  The solar heat recovery means of the second invention is composed of a heat absorbing member (63) in which an internal flow path (66) is formed. When air flows through the internal flow path (66), solar heat absorbed by the heat absorbing member (63) is applied to the air flowing through the internal flow path (66). The air whose temperature has been increased as described above flows out of the internal flow path (66), then flows through the air introduction path (8), and passes through the adsorption member (51, 52) during the regeneration operation. As a result, the regeneration efficiency of the adsorption member (51, 52) is improved.

  In a third aspect based on the second aspect, the heat absorbing member is constituted by a double window (63) in which the internal flow path (66) is formed between a pair of opposed windows (64, 65). It is characterized by.

  In the third invention, the heat absorbing member as the solar heat recovery means is constituted by the double window (63). In the double window (63), an internal flow path (66) is formed between a pair of opposed windows (64, 65). When air flows through the internal flow path (66), sunlight passes through the window (64) to the internal flow path (66), and solar heat is applied to the air flowing through the internal flow path (66). The air whose temperature has been raised as described above flows out of the internal flow path (66) and then flows through the air introduction path (8), and is used to regenerate the adsorption member (51, 52).

  In the present invention, it is possible to prevent the solar heat from entering the room by the double window (63) in summer or the like. As a result, the cooling load in the room can be reduced and energy savings can be improved.

  According to a fourth aspect of the present invention, in the second or third aspect of the present invention, the heat absorbing member (63) has an inflow portion of the internal flow path (66) formed on the lower end side, and the internal flow path (66) on the upper end side. The outflow part is formed.

  In the fourth invention, air flows from the lower end side of the heat absorbing member (63) into the internal flow path (66). In the internal flow path (66), solar heat absorbed by the heat absorbing member (63) is applied to the air flowing through the internal flow path (66). The air flows upward in the internal flow path (66) and flows out from the upper end side of the heat absorbing member (63) to the air introduction path (8). In the present invention, by using the convection of the air heated in the internal flow path (66), the heated air can be quickly sent to the air introduction path (8).

  According to a fifth invention, in any one of the second to fourth inventions, the heat absorbing member (63) is characterized in that the inflow side of the internal flow path (66) communicates with the room.

  In the fifth invention, room air flows into the internal flow path (66) of the heat absorbing member (63). This indoor air is heated in the internal flow path (66), is then used to regenerate the adsorption member (51, 52), and is then discharged outside the room. As described above, in the present invention, indoor air is ventilated by discharging indoor air to the outside. By the way, in the summer, for example, the air conditioner cools the room, so the temperature of the room air becomes relatively low. However, in the present invention, the indoor air is heated by the heat absorbing member (63), so that the adsorbing members (51, 52) can be sufficiently regenerated.

  According to a sixth invention, in any one of the second to fourth inventions, the heat absorbing member (63) is characterized in that the inflow side of the internal flow path (66) communicates with the outside.

  In the sixth invention, outdoor air flows into the internal flow path (66) of the heat absorbing member (63). This outdoor air is heated in the internal flow path (66), then used for regeneration of the adsorption member (51, 52), and then discharged outside the room. Here, for example, in summer, the temperature of the outdoor air is higher than the temperature of the indoor air where the cooling is performed. For this reason, the regeneration efficiency of the heat absorbing member (63) is further improved by sending outdoor air to the heat absorbing member (63) during the regeneration operation.

  In a seventh aspect of the present invention, the air introduction path (8) is connected to a branch flow path (88) whose inflow side communicates with the room, and the air introduction path (8) is connected to the internal flow path (66). An air flow path switching mechanism (92a, 92b) that switches the communication state of the air introduction path (8) so as to communicate with either one of the paths (88) is further provided.

  In the seventh invention, the branch flow path (88) is connected to the air introduction path (8). In the present invention, the communication state of the air introduction path (8) can be switched by the air flow path switching mechanism (92a, 92b). A state in which the air flow path (8) and the internal flow path (66) communicate with each other and the air flow path (8) and the branch flow path (88) are blocked by the air flow path switching mechanism (92a, 92b); Then, the outdoor air heated by the internal flow path (66) is sent to the air introduction path (8). Therefore, in this case, it is possible to perform a dehumidifying operation that places importance on the regeneration of the adsorption members (51, 52). On the other hand, the air flow path switching mechanism (92a, 92b) allows the air introduction path (8) and the branch flow path (88) to communicate and the air introduction path (8) and the internal flow path (66) to communicate with each other. Then, the room air introduced into the branch flow path (88) is sent to the air introduction path (8) and then discharged to the outside. Therefore, in this case, it is possible to perform a dehumidifying operation that places importance on indoor ventilation.

In an eighth aspect based on the seventh aspect, the present invention further comprises CO ₂ concentration detecting means (98) for detecting the indoor CO ₂ concentration, and the air flow path switching mechanism (92a, 92b) is provided with the CO ₂ concentration detecting means. According to (98), the communication state of the air introduction path (8) is switched according to the CO ₂ concentration detected in (98).

In the eighth invention, the CO ₂ concentration in the room is detected by the CO ₂ concentration detector (98). The air flow path switching mechanism (92a, 92b) switches the communication state of the air introduction path (8) in accordance with the CO ₂ concentration. Thus, for example, in the CO ₂ concentration is relatively high conditions, it can be made to communicate with the branch flow path (88) air introduction path and (8) performs the operation that emphasizes ventilation chamber.

  According to a ninth aspect, in the seventh aspect, the air flow path switching mechanism (92a, 92b) is configured to switch the communication state of the air introduction path (8) at predetermined time intervals. Features.

  In the ninth invention, the communication state of the air introduction path (8) by the air flow path switching mechanism (92a, 92b) is switched at predetermined time intervals. That is, in the present invention, an operation that places importance on indoor dehumidification and an operation that places importance on indoor ventilation are alternately performed at predetermined time intervals.

  In a tenth aspect based on any one of the first to ninth aspects, the adsorbing member is connected to a refrigerant circuit (50) in which an adsorbent is supported on a surface of a heat exchanger and a refrigeration cycle is performed. It is characterized by comprising an adsorption heat exchanger (51, 52).

  In the tenth invention, the adsorption heat exchanger (51, 52) is used as the adsorption member. That is, in the adsorption heat exchanger (51, 52), the regeneration operation is performed by the refrigerant in the refrigerant circuit (50) heating the adsorbent. Further, in the adsorption heat exchanger (51, 52), an adsorption operation is performed by the refrigerant in the refrigerant circuit (50) cooling the adsorbent.

  In the present invention, the solar heat recovery means (63) absorbs the solar heat, and the solar heat is applied to the air sent to the adsorption member (51, 52) during the regeneration operation. For this reason, according to the present invention, it is possible to raise the temperature of the air for regenerating the adsorbing member (51, 52) by solar heat, and to improve the regeneration efficiency of the adsorbing member (51, 52). Therefore, it is possible to improve the adsorption performance and thus the dehumidification performance of the adsorption member (51, 52) without increasing the energy required for heating the air.

  In particular, according to the second invention, the solar heat absorbed by the heat absorbing member (63) is efficiently obtained by circulating air through the internal flow path (66) of the heat absorbing member (63) as the solar heat recovery means. Can be applied to the air. Therefore, the regeneration efficiency of the adsorption member (51, 52) during the regeneration operation can be further improved.

  In the third invention, a double window (63) is used as the heat absorbing member. Thereby, according to this invention, solar radiation heat can be more efficiently provided to the air which flows through an internal flow path (66). In addition, if solar heat is applied to the air flowing through the internal flow path (66), the amount of solar heat that enters the room through the double window (63) can be reduced. As a result, in summer, the cooling load in the room can be reduced, and air conditioning excellent in energy saving can be performed.

  According to the fourth invention, the internal flow path (66) is formed so that air flows from the lower end side to the upper end side of the heat absorbing member (63). For this reason, the air after a heating can be sent to the upper direction rapidly and reliably using the convection of the air heated by the solar radiation heat.

  Furthermore, according to the fifth aspect of the invention, since room air is introduced into the internal flow path (66) of the heat absorbing member (63), the room can be ventilated during the dehumidifying operation. According to the sixth aspect of the invention, since outdoor air is introduced into the internal flow path (66) of the heat absorbing member (63), the temperature of the air used for regeneration of the adsorption member (51, 52) is further increased. As a result, the regeneration efficiency of the adsorption member (51, 52) can be further improved.

  In the seventh invention, the branch flow path (88) is connected to the air introduction path (8), and the communication state of the internal flow path (66) and the branch flow path (88) with respect to the air introduction path (8) is switched. It is possible. For this reason, according to the present invention, the operation of sending outdoor air heated in the internal flow path (66) to the air introduction path (8) in combination with indoor and outdoor air conditions, operating conditions of the humidity control system, and the like. The operation of sending the indoor air introduced into the branch flow path (88) to the air introduction path (8) can be switched.

Furthermore, in the eighth invention, the communication state of the air introduction path (8) is switched according to the indoor CO ₂ concentration. Therefore, when the CO ₂ concentration in the chamber was relatively high, the indoor air branch channel (88) can be ventilated indoor sent to the air introduction path (8). Further, according to the ninth aspect, indoor air can be reliably ventilated by sending room air in the branch flow path (88) to the air introduction path (8) at predetermined time intervals.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The following embodiments are essentially preferable examples, and are not intended to limit the scope of the present invention, its application, or its use.

Embodiment 1
The humidity control system (1) of this embodiment adjusts the humidity of the taken outdoor air (OA) and supplies it to the room. The humidity control system (1) includes a humidity control device (10) installed behind the ceiling.

<Overall configuration of humidity control device>
First, the humidity control apparatus (10) will be described with reference to FIGS. Note that “upper”, “lower”, “left”, “right”, “front”, “rear”, “front”, and “rear” used in the description here are the humidity control device (10) from the front side unless otherwise stated. It means the direction when viewed.

  The humidity control device (10) includes a casing (11). A refrigerant circuit (50) is accommodated in the casing (11). The refrigerant circuit (50) includes a first adsorption heat exchanger (51), a second adsorption heat exchanger (52), a compressor (53), a four-way switching valve (54), and an electric expansion valve (55). It is connected. Details of the refrigerant circuit (50) will be described later.

  The casing (11) is formed in a rectangular parallelepiped shape that is slightly flat and relatively low in height. In the casing (11) shown in FIG. 1, the left front side (ie, front) is the front panel (12), and the right back side (ie, back) is the back panel (13). Is the first side panel (14), and the left back side is the second side panel (15).

  The casing (11) is formed with a first suction port (24), a second suction port (23), an air supply port (22), and an exhaust port (21). The first suction port (24) and the second suction port (23) are open to the back panel portion (13). The 1st suction inlet (24) is arrange | positioned at the lower part of the back panel part (13). The 2nd inlet (23) is arrange | positioned at the upper part of the back panel part (13). The air supply port (22) is disposed near the end of the first side panel (14) on the front panel (12) side. The exhaust port (21) is disposed near the end of the second side panel (15) on the front panel (12) side.

  The internal space of the casing (11) includes an upstream divider plate (71), a downstream divider plate (72), a central divider plate (73), a first divider plate (74), and a second divider plate ( 75). These partition plates (71 to 75) are all erected on the bottom plate of the casing (11), and divide the internal space of the casing (11) from the bottom plate of the casing (11) to the top plate. .

  The upstream divider plate (71) and the downstream divider plate (72) are parallel to the front panel portion (12) and the rear panel portion (13), and are spaced at a predetermined interval in the longitudinal direction of the casing (11). Has been placed. The upstream divider plate (71) is disposed closer to the rear panel portion (13). The downstream partition plate (72) is disposed closer to the front panel portion (12).

  The first partition plate (74) and the second partition plate (75) are installed in a posture parallel to the first side panel portion (14) and the second side panel portion (15). The first partition plate (74) is spaced a predetermined distance from the first side panel (14) so as to close the space between the upstream partition plate (71) and the downstream partition plate (72) from the right side. Has been placed. The second partition plate (75) is spaced from the second side panel (15) by a predetermined distance so as to close the space between the upstream partition plate (71) and the downstream partition plate (72) from the left side. Has been placed.

  The central partition plate (73) is disposed between the upstream partition plate (71) and the downstream partition plate (72) in a posture orthogonal to the upstream partition plate (71) and the downstream partition plate (72). Yes. The central partition plate (73) is provided from the upstream partition plate (71) to the downstream partition plate (72), and the space between the upstream partition plate (71) and the downstream partition plate (72) is left and right. It is divided into.

  In the casing (11), the space between the upstream divider plate (71) and the back panel (13) is divided into two upper and lower spaces, and the lower space defines the first suction passage (34). The upper space constitutes the second suction passage (32). The first suction passage (34) communicates with the first suction port (24), and the second suction passage (32) communicates with the second suction port (23). A first filter (28) and a first humidity sensor (97) are installed in the first suction passage (34). A second filter (27) and a second humidity sensor (96) are installed in the second suction passage (32).

  The space between the upstream divider plate (71) and the downstream divider plate (72) in the casing (11) is divided into left and right by the central divider plate (73), and is located on the right side of the central divider plate (73). The space constitutes the first heat exchanger chamber (37), and the space on the left side of the central partition plate (73) constitutes the second heat exchanger chamber (38). A first adsorption heat exchanger (51) is accommodated in the first heat exchanger chamber (37). The second adsorption heat exchanger (52) is accommodated in the second heat exchanger chamber (38). Moreover, although not shown in figure, the electric expansion valve (55) of a refrigerant circuit (50) is accommodated in the 1st heat exchanger chamber (37).

  Each adsorption heat exchanger (51, 52) has an adsorbent supported on the surface of a so-called cross fin type fin-and-tube heat exchanger, and is a rectangular thick plate or flat rectangular parallelepiped as a whole. It is formed in a shape. Each adsorption heat exchanger (51, 52) is placed in the heat exchanger chamber (37, 38) with its front and back surfaces parallel to the upstream partition plate (71) and downstream partition plate (72). It is erected. Each adsorption heat exchanger (51, 52) constitutes an adsorption member that performs an adsorption operation for adsorbing moisture in the air and a regeneration operation (desorption operation) for releasing the adsorbed moisture into the air.

  In the internal space of the casing (11), the space along the front surface of the downstream partition plate (72) is partitioned vertically, and the upper portion of the vertically partitioned space is the air supply side passage ( 31), and the lower part constitutes the exhaust side passage (33).

  The upstream partition plate (71) is provided with four open / close dampers (41 to 44). Each damper (41-44) is formed in the shape of a substantially horizontally long rectangle. Specifically, in the portion (upper portion) facing the second suction passage (32) in the upstream divider plate (71), the first room air damper (41) is attached to the right side of the central divider plate (73). The second inside air damper (42) is attached to the left side of the central partition plate (73). The first outside air damper (43) is attached to the right side of the central partition plate (73) at the portion (lower side) facing the first suction passage (34) in the upstream partition plate (71). The second outside air damper (44) is attached to the left side of the central partition plate (73).

  The downstream partition plate (72) is provided with four open / close dampers (45 to 48). Each damper (45-48) is formed in the shape of a substantially horizontally long rectangle. Specifically, in the part (upper part) facing the supply side passageway (31) in the downstream partition plate (72), the first supply side damper (45) is located on the right side of the central partition plate (73). The second air supply side damper (46) is attached to the left side of the central partition plate (73). Moreover, in the part (lower part) which faces an exhaust side channel | path (33) among downstream partition plates (72), the 1st exhaust side damper (47) is attached to the right side rather than a center partition plate (73), A second exhaust side damper (48) is attached to the left side of the central partition plate (73).

  In the casing (11), the space between the air supply side passage (31) and the exhaust side passage (33) and the front panel portion (12) is divided into left and right by the partition plate (77). The space on the right side of (77) constitutes the air supply fan chamber (36), and the space on the left side of the partition plate (77) constitutes the exhaust fan chamber (35).

  The air supply fan (26) is accommodated in the air supply fan chamber (36). The exhaust fan chamber (35) accommodates an exhaust fan (25). The supply fan (26) and the exhaust fan (25) are both centrifugal multiblade fans (so-called sirocco fans). The air supply fan (26) blows out the air sucked from the downstream side partition plate (72) side to the air supply port (22). The exhaust fan (25) blows out the air sucked from the downstream partition plate (72) side to the exhaust port (21).

  The supply fan chamber (36) accommodates the compressor (53) and the four-way switching valve (54) of the refrigerant circuit (50). The compressor (53) and the four-way selector valve (54) are disposed between the air supply fan (26) and the partition plate (77) in the air supply fan chamber (36).

  The compressor (53) is composed of an inverter type compressor in which the rotation speed of the compressor motor is variable (that is, the capacity is variable). The compressor (53) is a known scroll compressor in which the fixed scroll and the movable scroll are engaged with each other, and the movable scroll is eccentrically rotated with respect to the fixed scroll to compress the refrigerant. Furthermore, the compressor (53) is a so-called high-pressure dome type in which high-pressure refrigerant is filled in the casing, and is configured to press the movable scroll against the fixed scroll using the pressure of the high-pressure refrigerant. The compressor (53) has an oil sump formed at the bottom in the casing, and is configured to supply oil to the compression mechanism using the pressure in the casing. Specifically, this oil is pumped by an oil pump provided at the lower end of the drive shaft, and is supplied to the sliding portion of the compression mechanism through an oil supply passage that penetrates the drive shaft in the axial direction.

  In the casing (11), the space between the first partition (74) and the first side panel (14) forms a first bypass passage (81). The starting end of the first bypass passage (81) communicates only with the first suction passage (34) and is blocked from the second suction passage (32). The terminal end of the first bypass passage (81) is partitioned by the partition plate (78) from the air supply side passage (31), the exhaust side passage (33), and the air supply fan chamber (36). A first bypass damper (83) is provided in a portion of the partition plate (78) facing the supply fan chamber (36).

  In the casing (11), the space between the second partition (75) and the second side panel (15) constitutes a second bypass passage (82). The starting end of the second bypass passage (82) communicates only with the second suction passage (32) and is blocked from the first suction passage (34). The terminal end of the second bypass passage (82) is partitioned by the partition plate (79) from the air supply side passage (31), the exhaust side passage (33), and the exhaust fan chamber (35). A second bypass damper (84) is provided in a portion of the partition plate (79) facing the exhaust fan chamber (35).

  In the right side view and the left side view of FIG. 2, the first bypass passage (81), the second bypass passage (82), the first bypass damper (83), and the second bypass damper (84) are shown. Is omitted.

<Configuration of refrigerant circuit>
As shown in FIG. 3, the refrigerant circuit (50) includes a first adsorption heat exchanger (51), a second adsorption heat exchanger (52), a compressor (53), a four-way switching valve (54), and an electric expansion. It is a closed circuit provided with a valve (55). The refrigerant circuit (50) performs a vapor compression refrigeration cycle by circulating the filled refrigerant.

  In the refrigerant circuit (50), the compressor (53) has its discharge side connected to the first port of the four-way switching valve (54) and its suction side connected to the second port of the four-way switching valve (54). . In the refrigerant circuit (50), the first adsorption heat exchanger (51), the electric expansion valve (55), and the second adsorption heat exchanger (52) are connected from the third port of the four-way switching valve (54). They are connected in order toward the fourth port.

  The four-way switching valve (54) includes a first state (state shown in FIG. 3A) in which the first port and the third port communicate with each other, and the second port and the fourth port communicate with each other. The second port and the fourth port can communicate with each other, and the second port and the third port can communicate with each other in the second state (the state shown in FIG. 3B). In accordance with the switching of the setting of the four-way switching valve (54), the refrigerant circulation direction in the refrigerant circuit (50) is reversed. That is, the four-way selector valve (54) constitutes a refrigerant flow path switching mechanism that reversibly switches the refrigerant circulation direction. In the refrigerant circuit (50), the high pressure refrigerant flows through the first adsorption heat exchanger (51) and the low pressure refrigerant flows through the second adsorption heat exchanger (52) in accordance with the switching of the four-way switching valve (54). The operation and the operation in which the low-pressure refrigerant flows through the first adsorption heat exchanger (51) and the high-pressure refrigerant flows through the second adsorption heat exchanger (52) are alternately performed.

<Overall configuration of humidity control system>
As shown in FIG. 4, in the humidity control system (1), the humidity control device (10) is installed in the space (S) on the back side of the ceiling (C) of the building (B). The humidity control system (1) is provided with an air supply duct (5) and an exhaust duct (6). One end of the air supply duct (5) is connected to the air supply port (22) of the humidity controller (10), and the other end communicates with the indoor space. An air outlet (5a) connected to the other end of the air supply duct (5) is opened in the room on the ceiling (C). The exhaust duct (6) has one end connected to the exhaust port (21) of the humidity control device (10) and the other end communicating with the outdoor space. An exhaust hood (6a) connected to the other end of the exhaust duct (6) is provided on the wall surface (W) of the building (B). The exhaust hood (6a) is opened so that the air outlet is directed upward.

  The humidity control system (1) is provided with a first suction duct (7) and a second suction duct (8). One end of the first suction duct (7) is connected to the first suction port (24) of the humidity controller (10), and the other end communicates with the outdoor space. A suction hood (7a) connected to the first suction duct (7) is provided on the wall surface (W) of the building (B). In the suction hood (7a), the air inlet is opened so as to face downward. One end of the second suction duct (8) is connected to the second suction port (23) of the humidity control apparatus (10). The second suction duct (8) is arranged so that the other end is located in the vicinity of the wall surface (W). The second suction duct (8) constitutes an air introduction path for sending air to the adsorption heat exchanger (51, 52) during the regeneration operation during a dehumidifying operation described later.

  On the wall surface (W) side, a first wall portion (61), a second wall portion (62), and a double window (63) are provided. The first wall portion (61) is provided in the vicinity of the indoor floor surface and constitutes a part of the wall surface (W). A flow path through which air can flow is formed in the first wall portion (61). The flow path in the first wall portion (61) has an inflow end communicating with the indoor space and an outflow end communicating with the interior of the double window (63). The second wall portion (62) is provided in the vicinity of the ceiling (C) and constitutes a part of the wall surface (W) and the ceiling (C). A channel through which air can flow is formed in the second wall portion (62). The flow path in the second wall (62) has an inflow end communicating with the inside of the double window (63) and an outflow end connected to the second suction duct (8).

  The double window (63) is composed of a pair of windows (64, 65) facing each other. Specifically, the double window (63) has an outer window (64) facing the outdoor space and an inner window (65) facing the indoor space. The outer window (64) and the inner window (65) are each constituted by a flat transparent glass window. The outer window (64) and the inner window (65) are arranged substantially in parallel so as to have a predetermined interval. The side edges in the width direction of the outer window (64) and the inner window (65) are closed by side plates or the like. In the double window (63), an air inflow portion is formed on the lower end side, and an air outflow portion is formed on the upper end side. Thereby, an internal flow path (66) through which air flows vertically upward is formed inside the double window (63). The double window (63) constitutes an endothermic member that absorbs solar heat, and further constitutes solar heat recovery means for applying this solar heat to the air flowing through the internal flow path (66). The double window (63) of the first embodiment is a so-called air flow window type in which room air is introduced into the internal flow path (66).

-Driving action-
The operation of the humidity control system (1) will be described. In the humidity control system (1), the humidity control device (10) selectively performs a dehumidifying operation, a humidifying operation, and a simple ventilation operation.

<Dehumidifying operation>
In the dehumidifying operation of the present embodiment, the outdoor air (OA) is dehumidified, and the air after dehumidification is supplied to the room as supply air (SA), and at the same time, the room air (RA) is discharged to the outside as discharge air (EA). . That is, in the dehumidifying operation, indoor dehumidification and indoor ventilation are performed simultaneously.

  In the dehumidifying operation, the supply fan (26) and the exhaust fan (25) are in operation. Further, in the dehumidifying operation, a first operation and a second operation described later are alternately repeated by switching the open / closed states of the plurality of dampers. The first operation and the second operation are switched every predetermined set time (for example, 3 minutes). In the dehumidifying operation, the first bypass damper (83) and the second bypass damper (84) are always closed.

  As shown in FIG. 4, when the air supply fan (26) is operated, outdoor air (OA) is taken into the suction hood (7a). This outdoor air (OA) flows into the first suction port (24) of the humidity control device (10) via the first suction duct (7).

  On the other hand, when the exhaust fan (25) is operated, the room air (RA) flows into the first wall (61) and flows through the internal flow path (66) of the double window (63). Here, for example, during the daytime in summer, sunlight passes through the double window (63). For this reason, solar heat resulting from sunlight is absorbed by the double window (63), and this solar heat is applied to the air flowing through the internal flow path (66). Thereby, the air which flows through an internal flow path (66) is heated. Therefore, in the internal flow path (66), the temperature rises as the air advances upward. The air that has recovered the solar heat as described above flows into the second suction port (23) of the humidity control device (10) via the second suction duct (8). Moreover, in a double window (63), when solar radiation heat is provided to air, it is suppressed that this solar radiation heat is conducted to indoor space via an inner window (65). Thereby, in the summer, invasion of solar heat into the room is suppressed, and the cooling load of the indoor air conditioner and the like is reduced.

  In the first operation of the dehumidifying operation, as shown in FIG. 5, the first inside air side damper (41), the second outside air side damper (44), the second air supply side damper (46), and the first exhaust side damper ( 47) is opened, and the second inside air damper (42), the first outside air damper (43), the first air supply side damper (45), and the second exhaust side damper (48) are closed. In the refrigerant circuit (50) during the first operation, the four-way switching valve (54) is set to the first state (the state shown in FIG. 3A), and the first adsorption heat exchanger (51) is condensed. The second adsorption heat exchanger (52) becomes an evaporator. As a result, the first adsorption heat exchanger (51) performs a regeneration operation for releasing the adsorbed moisture into the air, and the second adsorption heat exchanger (52) performs an adsorption operation for adsorbing moisture in the air. Done.

  In the first operation of the dehumidifying operation, outdoor air (OA) flowing into the first suction port (24) flows into the second heat exchanger chamber (38), and the second adsorption heat exchanger (52 on the evaporator side) ) In the second adsorption heat exchanger (52), moisture in the air is adsorbed by the adsorbent, and the adsorption heat generated at that time is absorbed by the refrigerant. The air dehumidified by the second adsorption heat exchanger (52) flows out from the air supply port (22) to the outside of the humidity control device (10), and is supplied indoors through the air supply duct (5). .

  The room air (RA) flowing into the second suction port (23) flows into the first heat exchanger chamber (37) and passes through the first adsorption heat exchanger (51) on the condenser side. In the first adsorption heat exchanger (51), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the air. The air given moisture by the first adsorption heat exchanger (51) flows out from the exhaust port (21) to the outside of the humidity control device (10) and is discharged to the outside through the exhaust duct (6). .

  In the second operation of the dehumidifying operation, as shown in FIG. 6, the second inside air side damper (42), the first outside air side damper (43), the first air supply side damper (45), and the second exhaust side damper ( 48) is opened, and the first inside air damper (41), second outside air damper (44), second air supply damper (46), and first exhaust damper (47) are closed. In the refrigerant circuit (50) during the second operation, the four-way switching valve (54) is set to the second state (the state shown in FIG. 3B), and the first adsorption heat exchanger (51) is evaporated. The second adsorption heat exchanger (52) becomes a condenser (regeneration operation side).

  In the second operation, outdoor air (OA) flowing into the first suction port (24) flows into the first heat exchanger chamber (37) and passes through the first adsorption heat exchanger (51) on the evaporator side. To do. In the first adsorption heat exchanger (51), moisture in the air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant. The air dehumidified by the first adsorption heat exchanger (51) flows out from the air supply port (22) to the outside of the humidity control device (10), and is supplied indoors through the air supply duct (5). .

  The room air (RA) flowing into the second suction port (23) flows into the second heat exchanger chamber (38) and passes through the second adsorption heat exchanger (52) on the condenser side. In the second adsorption heat exchanger (52), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the air. The air given moisture by the second adsorption heat exchanger (52) flows out of the humidity control device (10) from the exhaust port (21) and is discharged to the outside through the exhaust duct (6). .

<Humidification operation>
In the humidifying operation of the present embodiment, outdoor air (OA) is humidified, and the humidified air is supplied to the room as supply air (SA), and at the same time, the room air (RA) is discharged to the outside as discharge air (EA). . That is, in the humidification operation, indoor humidification and indoor ventilation are performed simultaneously.

  In the humidification operation, the air supply fan (26) and the exhaust fan (25) are in an operating state. Further, in the humidification operation, a first operation and a second operation described later are alternately repeated by switching the open / close state of the plurality of dampers. The first operation and the second operation are switched every predetermined set time (for example, 4 minutes). In the humidification operation, the first bypass damper (83) and the second bypass damper (84) are always closed.

  As shown in FIG. 4, when the air supply fan (26) is operated, outdoor air (OA) is taken into the suction hood (7a). This outdoor air (OA) flows into the first suction port (24) of the humidity control device (10) via the first suction duct (7). On the other hand, when the exhaust fan (25) is operated, the room air (RA) flows into the first wall (61) and flows through the internal flow path (66) of the double window (63). For example, in winter, the air flowing through the internal flow path (66) is cooled by the outdoor air around the double window (63). The air that has flowed out of the internal flow path (66) flows into the second suction port (23) of the humidity control device (10) via the second suction duct (8).

  In the first operation of the humidifying operation, as shown in FIG. 7, the second inside air side damper (42), the first outside air side damper (43), the first air supply side damper (45), and the second exhaust side damper ( 48) is opened, and the first inside air damper (41), second outside air damper (44), second air supply damper (46), and first exhaust damper (47) are closed. In the refrigerant circuit (50) during the first operation, the four-way switching valve (54) is set to the first state (the state shown in FIG. 3A), and the first adsorption heat exchanger (51) is condensed. The second adsorption heat exchanger (52) becomes an evaporator (adsorption operation side).

  In the first operation of the humidifying operation, the room air (RA) flowing into the second suction port (23) flows into the second heat exchanger chamber (38), and the second adsorption heat exchanger (52 on the evaporator side) ) In the second adsorption heat exchanger (52), moisture in the air is adsorbed by the adsorbent, and the adsorption heat generated at that time is absorbed by the refrigerant. The air that has given moisture to the adsorbent of the second adsorption heat exchanger (52) flows out from the exhaust port (21) to the outside of the humidity control device (10), and is discharged outside through the exhaust duct (6). Is done.

  The outdoor air (OA) that has flowed into the first suction port (24) flows into the first heat exchanger chamber (37) and passes through the first adsorption heat exchanger (51) on the condenser side. In the first adsorption heat exchanger (51), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the air. The air humidified by the first adsorption heat exchanger (51) flows out from the air supply port (22) to the outside of the humidity control device (10), and is supplied indoors through the air supply duct (5). .

  In the second operation of the humidifying operation, as shown in FIG. 8, the first inside air side damper (41), the second outside air side damper (44), the second air supply side damper (46), and the first exhaust side damper ( 47) is opened, and the second inside air damper (42), the first outside air damper (43), the first air supply side damper (45), and the second exhaust side damper (48) are closed. In the refrigerant circuit (50) during the second operation, the four-way switching valve (54) is set to the second state (the state shown in FIG. 3B), and the first adsorption heat exchanger (51) is evaporated. The second adsorption heat exchanger (52) becomes a condenser (regeneration operation side).

  In the second operation of the humidifying operation, the room air (RA) flowing into the second suction port (23) flows into the first heat exchanger chamber (37), and the first adsorption heat exchanger (51 on the evaporator side) ) In the first adsorption heat exchanger (51), moisture in the air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant. The air that has given moisture to the adsorbent of the first adsorption heat exchanger (51) flows out from the exhaust port (21) to the outside of the humidity control device (10), and is discharged outside through the exhaust duct (6). Is done.

  The outdoor air (OA) that has flowed into the first suction port (24) flows into the second heat exchanger chamber (38) and passes through the second adsorption heat exchanger (52) on the condenser side. In the second adsorption heat exchanger (52), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the air. The air humidified by the second adsorption heat exchanger (52) flows out from the air supply port (22) to the outside of the humidity control device (10), and is supplied indoors through the air supply duct (5). .

<Simple ventilation operation>
In the simple ventilation operation of this embodiment, outdoor air (OA) is supplied to the room as supplied air (SA) as it is, and at the same time, the indoor air (RA) is discharged to the outside as discharged air (EA). That is, in the simple ventilation operation, indoor humidity control is not performed, and only indoor ventilation is performed.

  In the simple ventilation operation, as shown in FIG. 9, the first bypass damper (83) and the second bypass damper (84) are opened, and the first room air damper (41) and the second room air damper (42 ), A first outside air damper (43), a second outside air damper (44), a first air supplying damper (45), a second air supplying damper (46), a first exhaust air damper (47), and The second exhaust side damper (48) is closed. Further, during the simple ventilation operation, the compressor (53) of the refrigerant circuit (50) is stopped.

  In the simple ventilation operation, outdoor air (OA) flows into the first suction port (24) of the humidity control device (10) via the first suction duct (7). This air flows from the first bypass passage (81) through the first bypass damper (83) into the air supply fan chamber (36), and then passes through the air supply port (22) and the air supply duct (5). It is supplied to the room via.

  At the same time, the indoor air (RA) flows into the second suction port (23) of the humidity control device (10) via the internal flow path (66) of the double window (63) and the second suction duct (8). . This air flows into the exhaust fan chamber (35) from the second bypass passage (82) through the second bypass damper (84), and then passes through the exhaust port (21) and the exhaust duct (6). It is discharged outside the room.

-Effect of Embodiment 1-
In the above embodiment, during the dehumidifying operation, air sent to the adsorption heat exchanger (51, 52) during the regeneration operation via the second suction duct (8) is converted into a double window ( 63). Thereby, the temperature of the air passing through the adsorption heat exchanger (51, 52) during the regeneration operation can be increased. For this reason, desorption of moisture from the adsorbent carried on the adsorption heat exchanger (51, 52) can be promoted, and the regeneration efficiency of the adsorption heat exchanger (51, 52) can be improved. As a result, the energy-saving performance of the humidity controller (10) can be reduced by reducing the time required to regenerate the adsorbent in the adsorption heat exchanger (51, 52) and reducing the operating frequency of the compressor (53). And a sufficient dehumidifying performance can be obtained with the humidity control system (1).

  Moreover, in the said embodiment, it can avoid effectively that solar heat penetrate | invades indoors by providing solar heat to the air which flows through the internal flow path (66) of a double window (63). Thereby, since the cooling load in the indoor space can be reduced in summer or the like, an indoor environment with excellent energy saving can be realized. Furthermore, in the said embodiment, the inflow part of air is formed in the lower end side of a double window (63), and the outflow part of air is formed in the upper end side of a double window (63). For this reason, in the internal flow path (66), the heated air can be quickly and reliably sent upward by utilizing the convection of the heated air.

  Moreover, in the said embodiment, the air sent to the adsorption | suction heat exchanger (51,52) in adsorption | suction operation | movement via a 2nd suction duct (8) is cooled by a double window (63) at the time of humidification operation. You can also In other words, in winter, the outdoor air outside the double window (63) is cooler than the indoor air flowing through the internal flow path (66) of the double window (63). The indoor air flowing through the internal flow path (66) can be cooled by the outdoor air. In this way, in the adsorption heat exchanger (51, 52) during the adsorption operation, the temperature of the adsorbent is lowered, so that the adsorption performance of the adsorbent can be improved. As a result, since the amount of moisture released from the adsorption heat exchanger (51, 52) during the humidification operation is increased, the humidification performance of the humidity control system (1) can be improved.

<< Embodiment 2 of the Invention >>
A second embodiment of the present invention will be described. The humidity control system (1) according to the second embodiment includes a humidity control device (10) similar to that of the first embodiment. On the other hand, as shown in FIG. 10, in the humidity control system (1) of the second embodiment, unlike the first embodiment, outdoor air is introduced into the flow path in the second wall portion (62). That is, the double window (63) of the second embodiment is a so-called double skin type in which outdoor air is introduced into the internal flow path (66).

  In the humidity control system (1) of the second embodiment, a switching chamber (90) is provided at the upstream end of the second suction duct (8). As shown in FIG. 11, the switching chamber (90) includes a rectangular parallelepiped hollow box (91). In the box (91), a first connection port (91a) is formed on the side surface on one end side, and a second connection port (91b) is formed on the side surface on the other end side. Further, a branch introduction port (91c) is formed on the lower surface of the box (91). The first connection port (91a) communicates with the outdoor space through the internal flow path (66) of the double window (63). A second suction duct (8) is connected to the second connection port (91b). The lower end of the branch introduction port (91c) is connected to the indoor suction port (8a) formed in the ceiling (C) and communicates with the indoor space.

  A vertical partition plate (92) and a horizontal partition plate (93) are formed inside the box (91). The vertical partition plate (92) partitions the inside of the box (91) into two spaces on the left and right. One of the two spaces constitutes a downstream space (86) connected to the second connection port (91b). The other of the two spaces is partitioned into two spaces up and down by a horizontal partition plate (93). Of these two spaces, the upper space constitutes a main introduction path (87) connected to the first connection port (91a), and the lower space is a branch flow path (88) connected to the branch introduction port (91c). Is configured. The vertical partition plate (92) is provided with an outside air side damper (92a) near the upper part, and with an inside air side damper (92b) near the lower part. The outside air damper (92a) intermittently connects the main introduction path (87) and the downstream space (86) with the opening and closing of the shutter. The inside air damper (92b) intermittently connects the branch flow path (88) and the downstream space (86) with the opening and closing of the shutter. That is, these dampers (92a, 92b) include the second suction duct (8) so that the second suction duct (8) communicates with either the internal flow path (66) or the branch flow path (88). The air flow path switching mechanism for switching the communication state is configured.

  Specifically, in the switching chamber (90), when the outside air side damper (92a) is opened and the inside air side damper (92b) is closed, the internal flow path (66) and the second suction duct (8) are separated. The branch flow path (88) and the second suction duct (8) are blocked by communication (a state shown in FIG. 11A). Further, when the outside air side damper (92a) is closed and the inside air side damper (92b) is opened, the internal flow path (66) and the second suction duct (8) are blocked, and the branch flow path (88) It will be in the state (state shown to FIG. 11 (B)) which a 2nd suction duct (8) communicates.

  The basic operation of the humidity control system (1) of the second embodiment is substantially the same as that of the first embodiment. Below, a different point from the said Embodiment 1 is demonstrated in detail about the driving | operation operation | movement of a humidity control system (1).

  In the dehumidifying operation of the humidity control system (1) of Embodiment 2, the switching chamber (90) is in the state shown in FIG. When the exhaust fan (25) is operated, outdoor air (OA) flows into the first wall (61) and flows through the internal flow path (66) of the double window (63). Here, for example, during summer daytime, solar heat is applied to the air flowing through the internal flow path (66). Thereby, the air which flows through an internal flow path (66) is heated. The air that has recovered the solar heat as described above passes through the switching chamber (90) and then flows into the second suction port (23) of the humidity control device (10) through the second suction duct (8). . This air is sent to the adsorption heat exchanger (51, 52) during the regeneration operation and used for regeneration of the adsorbent.

  Moreover, also in the double window (63) of Embodiment 2, it is suppressed that solar heat is conducted to indoor space via an inner window (65) because solar heat is provided to air. Thereby, in the summer, invasion of solar heat into the room is suppressed, and the cooling load of the indoor air conditioner and the like is reduced.

  In the humidifying operation of the humidity control system (1) of the second embodiment, the switching chamber (90) is in the state shown in FIG. When the exhaust fan (25) is operated, the indoor air (RA) is sucked from the indoor suction port (8a) of the ceiling (C), flows through the branch flow path (88), and passes through the second suction duct (8). Then, it flows into the second suction port (23) of the humidity control device (10).

  The room air that has flowed into the second suction port (23) passes through the adsorption heat exchanger (51, 52) on the evaporator side (during the adsorption operation). Here, in the second embodiment, unlike the first embodiment, indoor air is circulated through the adsorption heat exchanger (51, 52) during the adsorption operation. Here, in winter and the like, the indoor air has a higher humidity than the outdoor air, so that a relatively large amount of moisture can be adsorbed to the adsorbent of the adsorption heat exchanger (51, 52). For this reason, in the humidification operation of Embodiment 2, it is possible to sufficiently secure the moisture released from the adsorption heat exchanger (51, 52) into the air, and to obtain sufficient humidification performance.

-Modification of Embodiment 2-
In the above embodiment, the state of each damper (92a, 92b) in the switching chamber (90) is switched with switching between the dehumidifying operation and the humidifying operation. However, for example, the communication state of the second suction duct (8) in the switching chamber (90) may be switched based on the following conditions.

For example, each damper (92a, 92b) may be switched in consideration of the indoor CO ₂ concentration. In this case, for example, as shown in FIG. 12, a CO ₂ sensor (98) for detecting the CO ₂ concentration in the room is installed in the room. Then, depending on the CO ₂ concentration in the room detected by the CO ₂ sensor (98), each damper (92a, 92b) is, switches the communication state of the second suction duct (8).

Specifically, when the CO ₂ concentration exceeds a predetermined value during the dehumidifying operation, the switching chamber (90) is changed from the state shown in FIG. 11 (A) to the state shown in FIG. 11 (B). Thereby, in the dehumidifying operation, the indoor air (RA) is discharged to the outside and the outdoor air (OA) is supplied to the room. As a result, indoor ventilation can be sufficiently performed, and the indoor CO ₂ concentration can be reduced.

When the indoor CO ₂ concentration is lower than the predetermined value as described above, the switching chamber (90) is changed from the state shown in FIG. 11 (B) to the state shown in FIG. 11 (A). As a result, outdoor air recovered from solar heat can be sent to the adsorption heat exchanger (51, 52) during the regeneration operation, and the regeneration efficiency and further dehumidification performance of the adsorption heat exchanger (51, 52) can be improved. .

Further, in the dehumidifying operation, without detecting the CO ₂ concentration in the room, it may switch the state of the switch chamber (90) alternately every a predetermined time. That is, the state of each damper (92a, 92b) may be switched at predetermined intervals between FIGS. 11 (A) and 11 (B). In this case, both the operation focusing on the dehumidification performance and the operation focusing on the indoor ventilation can be executed alternately, so that both the indoor dehumidification and the ventilation can be surely satisfied.

  Moreover, you may make it switch each damper (92a, 92b) of the switching chamber (90) using another parameter | index other than this. Examples of such indicators include room air temperature and humidity, outdoor air temperature and humidity, indoor set temperature (target temperature) and set humidity (target humidity), and operation mode type.

<< Other Embodiments >>
About each said embodiment, it is good also as the following structures.

  It is preferable that the double window (63) of each said embodiment faces between the east side and the west side from which the solar radiation heat absorption effect becomes high.

  Moreover, it is preferable that the indoor temperature where the humidity is adjusted by the humidity control system (1) is simultaneously adjusted by the air conditioner (not shown). That is, the humidity control system (1) of this embodiment is suitable as means for adjusting the humidity of the space where sensible heat is processed by the air conditioner.

  In addition, the above embodiment is an essentially preferable illustration, Comprising: It does not intend restrict | limiting the range of this invention, its application thing, or its use.

  As described above, the present invention is useful for a humidity control system that includes an adsorption member that adsorbs moisture in the air and performs at least dehumidification in the room.

FIG. 1 is a perspective view showing a humidity control apparatus viewed from the front side, with a part of a casing and an electrical component box omitted. FIG. 2 is a schematic plan view, a right side view, and a left side view in which a part of the humidity control apparatus is omitted. FIG. 3 is a piping system diagram showing the configuration of the refrigerant circuit, in which (A) shows the first operation and (B) shows the second operation. FIG. 4 is a configuration diagram schematically illustrating the overall configuration of the humidity control system according to the first embodiment. FIG. 5 is a schematic plan view, right side view, and left side view of the humidity control apparatus showing the air flow in the first operation of the dehumidifying ventilation operation. FIG. 6 is a schematic plan view, a right side view, and a left side view of the humidity control apparatus showing the air flow in the second operation of the dehumidifying ventilation operation. FIG. 7 is a schematic plan view, a right side view, and a left side view of the humidity control apparatus showing the air flow in the first operation of the humidification ventilation operation. FIG. 8 is a schematic plan view, right side view, and left side view of the humidity control apparatus showing the air flow in the second operation of the humidification ventilation operation. FIG. 9 is a schematic plan view, right side view, and left side view of the humidity control apparatus showing the air flow in the simple ventilation operation. FIG. 10 is a configuration diagram schematically illustrating the overall configuration of the humidity control system of the second embodiment. FIG. 11 is a perspective view of the switching chamber, where (A) shows a state in which the internal flow path and the second suction duct are communicated, and (B) shows a state in which the branch flow path and the second suction duct are communicated. Is. FIG. 12 is a configuration diagram schematically illustrating the overall configuration of a humidity control system according to a modification of the second embodiment.

Explanation of symbols

8 Second suction duct (air introduction path)
50 Refrigerant circuit
51 First adsorption heat exchanger (adsorption member)
52 Second adsorption heat exchanger (adsorption member)
63 Double windows (heat absorption member, solar heat recovery means)
64 Outside window
65 Interior window
66 Internal flow path
88 Branch channel
92a Outside air damper (air flow path switching mechanism)
92b Inside air side damper (air flow path switching mechanism)
98 CO ₂ sensor (CO ₂ detection means)

Claims (10)

Equipped with an adsorption member (51,52) that performs adsorption operation to adsorb moisture in the air and regeneration operation to release the adsorbed moisture into the air, and passes through the adsorption member (51,52) during the adsorption operation A humidity control system that performs a dehumidifying operation for supplying the air to the room and discharging the air that has passed through the adsorption member (51, 52) during the regeneration operation to the outside,
It is further provided with a solar heat recovery means (63) provided outside the building for absorbing solar heat and applying the solar heat to the air sent to the adsorbing member (51, 52) during the regeneration operation. Humidity control system characterized by. In claim 1,
The solar heat recovery means is a heat absorbing member in which an internal flow path (66) connected to the inflow end of the air introduction path (8) for sending air to the adsorption member (51, 52) during the regeneration operation is formed. A humidity control system comprising (63). In claim 2,
The said heat absorption member is comprised by the double window (63) by which the said internal flow path (66) is formed between a pair of opposing windows (64,65), The humidity control system characterized by the above-mentioned. In claim 2 or 3,
The heat absorbing member (63) is characterized in that an inflow portion of the internal flow path (66) is formed on the lower end side and an outflow portion of the internal flow path (66) is formed on the upper end side. system. In any one of Claims 2 thru | or 4,
The humidity control system, wherein the heat absorbing member (63) has an inflow side of the internal flow path (66) communicating with a room. In any one of Claims 2 thru | or 4,
In the humidity control system, the heat absorbing member (63) has an inflow side of the internal flow path (66) communicating with the outside. In claim 6,
A branch flow path (88) whose inflow side communicates with the room is connected to the air introduction path (8),
An air flow path switching mechanism (92a) that switches the communication state of the air introduction path (8) so that the air introduction path (8) communicates with either the internal flow path (66) or the branch flow path (88). , 92b). In claim 7,
CO ₂ concentration detection means (98) for detecting the indoor CO ₂ concentration is provided,
The air passage switching mechanism (92a, 92b), it being configured to switch the communication state of the air introduction passage (8) in accordance with the CO ₂ concentration detected by the CO ₂ concentration detector (98) Humidity control system characterized by. In claim 7,
The humidity control system, wherein the air flow path switching mechanism (92a, 92b) is configured to switch the communication state of the air introduction path (8) at predetermined time intervals. In any one of Claims 1 thru | or 9,
The adsorption member is composed of an adsorption heat exchanger (51, 52) connected to a refrigerant circuit (50) in which an adsorbent is supported on the surface of the heat exchanger and a refrigeration cycle is performed. Humidity control system.

Images