JP2009092300A - Humidity conditioner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve maintenance performance in a humidity conditioner for conditioning a humidity of air by an adsorbent held on an adsorption member. <P>SOLUTION: This humidity control device has a casing 20 in which a holding member 50 holding the adsorptive member 14, 15, 80 for adsorbing moisture and a heat medium circuit 11 for heating or cooling the adsorbent of the adsorptive member 14, 15, 80, is disposed. The holding member 50 is adapted such that it can integrally hold both the adsorptive member 14, 15, 80 and the heat medium circuit 11 and can be led outside of the casing 20. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a humidity control apparatus that performs indoor humidity control using an adsorbent carried on an adsorption member, and particularly relates to measures for improving the maintainability of the humidity control apparatus.

  2. Description of the Related Art Conventionally, a humidity control device that adjusts humidity in a room is known.

  Patent Document 1 discloses a humidity control apparatus including an adsorption heat exchanger. This humidity control apparatus includes a flat casing, and an air passage is formed inside the casing. An outdoor suction port and an indoor suction port are formed on one side surface of the casing, and an outdoor exhaust port and an indoor air supply port are formed on the other side surface. A duct through which air flows is connected to each of these four openings. Further, a refrigerant circuit in which a compressor and two adsorption heat exchangers are connected is provided in the casing. The refrigerant circuit constitutes a heat medium circuit in which a refrigerant as a heat medium fluid circulates and performs a refrigeration cycle. The two adsorption heat exchangers each have an adsorbent for adsorbing and desorbing moisture on the surface of the heat exchanger (adsorption member), and the adsorbent is heated or cooled by the refrigerant. ing. These adsorption heat exchangers are respectively stored in two humidity control chambers partitioned in the casing.

In the humidity control apparatus of Patent Literature 1, for example, the following ventilation / dehumidification operation is performed. In this ventilation dehumidifying operation, one adsorption heat exchanger becomes a condenser (heat radiator), and the other adsorption heat exchanger becomes an evaporator. The air sucked from the outdoor suction port flows through one of the two humidity control chambers and passes through the adsorption heat exchanger on the evaporator side. As a result, moisture in the air is adsorbed by the adsorbent of the adsorption heat exchanger, and the air is dehumidified. At this time, the adsorption heat of moisture by the adsorbent is used as the evaporation heat of the refrigerant flowing through the adsorption heat exchanger. The dehumidified air is supplied into the room through the indoor air supply port. Thereby, indoor dehumidification is made. Moreover, the air sucked from the indoor suction port passes through the adsorption heat exchanger of the other humidity control chamber. In this adsorption heat exchanger, the adsorbent is heated by the heat of condensation of the refrigerant, and moisture is desorbed (desorbed) from the adsorbent. As a result, the adsorbent carried on the adsorption heat exchanger is regenerated. The air used for regeneration of the adsorbent of the adsorption heat exchanger is exhausted from the outdoor exhaust port to the outside.
JP 2007-10231 A

  As described above, an adsorption heat exchanger, a compressor, and the like are accommodated in the casing of the humidity control apparatus disclosed in Patent Document 1. On the other hand, conventionally, when performing maintenance of these adsorption heat exchangers and compressors, the adsorption heat exchangers and compressors are individually taken out of the casing. Therefore, in such a maintenance work, it is necessary to remove the refrigerant pipes and the like for connecting these devices to each other, and then take the target device out of the casing. As a result, there has been a problem that maintenance of each component device by a maintenance company or the like becomes complicated.

  This invention is made | formed in view of this point, The objective is aiming at the improvement of maintainability in the humidity control apparatus which adjusts the humidity of air with the adsorption agent carry | supported by the adsorption | suction member.

  The first invention includes an adsorbing member (14, 15, 80) carrying an adsorbent capable of adsorbing moisture, and a heating medium for heating or cooling the adsorbent of the adsorbing member (14, 15, 80). A casing (20) in which a heat medium circuit (11) through which fluid flows is housed is stored, and air is brought into contact with the adsorbent of the adsorbing member (14, 15, 80) to adjust the humidity of the air. It is assumed that the humidity control device is supplied. The humidity control apparatus integrally holds the adsorbing member (14, 15, 80) and the heat medium circuit (11) and can be pulled out of the casing (20). Is further provided.

  In the first invention, the adsorption member (14, 15, 80) and the heat medium circuit (11) are accommodated in the casing (20). The air taken into the casing (20) passes through the adsorption member (14, 15, 80). Here, when the adsorbent of the adsorbing member (14, 15, 80) is heated by the heat transfer fluid of the heat medium circuit (11), the moisture adsorbed by the adsorbent is desorbed and applied to the air. . As a result, the air is humidified. The air humidified in this way is supplied to the room, so that the room is humidified. In addition, when the adsorbent of the adsorbing member (14, 15, 80) is cooled by the heat transfer fluid of the heat medium circuit (11), moisture in the air is adsorbed by the adsorbent, and the adsorption heat generated at this time Is applied to the heat transfer fluid. As a result, the air is dehumidified. The air dehumidified in this way is supplied into the room, so that the room is dehumidified.

  In the present invention, the adsorption member (14, 15, 80) and the heat medium circuit (11) are integrally held by the holding member (50). For this reason, a maintenance company or the like pulls out the adsorption member (14, 15, 80) and the heat medium circuit (11) to the outside of the casing (20) by pulling out the holding member (50) to the outside of the casing (20). be able to. At this time, since the piping for constituting the heat medium circuit (11) is also drawn out integrally, it is not necessary to temporarily remove or reconnect these piping as in the conventional example.

  According to a second aspect of the present invention, in the humidity control apparatus of the first aspect, the heat medium circuit is connected to a compressor (12) and circulates a refrigerant as the heat medium fluid to perform a refrigeration cycle ( 11), and the holding member (50) holds the refrigerant circuit (11) including the compressor (12).

  In the second invention, the heat medium circuit is constituted by a refrigerant circuit (11). That is, in the refrigerant circuit (11), the refrigeration cycle is performed while the refrigerant is compressed by the compressor (12). The adsorbent carried on the adsorbing member (14, 15, 80) is configured to adsorb and desorb moisture by being heated by a high-pressure refrigerant or being cooled by a low-pressure refrigerant.

  Here, in addition to the adsorption member (14, 15, 80), the compressor (12) is held by the holding member (50) of the present invention. For this reason, a maintenance contractor, etc., pulls out the adsorption member (14, 15, 80) and the compressor (12) to the outside of the casing (20) by pulling out the holding member (50) to the outside of the casing (20). Can do. At this time, since the refrigerant pipes for constituting the refrigerant circuit (11) are also drawn out integrally, it is not necessary to temporarily remove or reconnect these refrigerant pipes as in the conventional example.

  According to a third aspect of the present invention, in the humidity control apparatus of the second aspect, the adsorption member is an adsorption heat exchanger (14, 14) in which an adsorbent is supported on the surface of the heat exchanger connected to the refrigerant circuit (11). 15), and the adsorption heat exchanger (14, 15) is held by the holding member (50).

  In the third invention, the adsorption member (14, 15, 80) is constituted by the adsorption heat exchanger (14, 15). As the refrigerant condenses (heatsinks) in the adsorption heat exchanger (14, 15), the adsorbent in the adsorption heat exchanger (14, 15) is heated by the refrigerant. Further, the refrigerant evaporates in the adsorption heat exchanger (14, 15), whereby the adsorbent in the adsorption heat exchanger (14, 15) is cooled by the refrigerant.

  Here, the adsorption heat exchanger (14, 15) and the refrigerant circuit (11) including the compressor (12) are held by the holding member (50) of the present invention. For this reason, a maintenance contractor, etc. pulls out the holding member (50) to the outside of the casing (20) and takes out the adsorption heat exchanger (14, 15) and the compressor (12) to the outside of the casing (20). Can do. At this time, since the refrigerant pipes for constituting the refrigerant circuit (11) are also drawn out integrally, it is not necessary to temporarily remove or reconnect these refrigerant pipes as in the conventional example.

  A fourth invention is the humidity control apparatus of the third invention, wherein the adsorption heat exchanger (14, 15) and the compressor (12) are housed in the casing (20) and the heat of adsorption. A humidity control chamber (65,66) through which air in contact with the adsorbent of the exchanger (14,15) flows is formed, and the holding member (50) faces the humidity control chamber (65,66). The adsorption heat exchanger (14, 15) and the compressor (12) are configured to be formed as described above.

  In the fourth invention, the adsorption heat exchanger (14, 15) and the compressor (12) are accommodated in the humidity control chamber (65, 66) in the casing (20). Thereby, compared with the case where the accommodation space of a compressor (12) is provided separately, it becomes possible to achieve size reduction of a casing (20).

  The holding member (50) is formed to face the humidity control chamber (65, 66), and is configured to hold the adsorption heat exchanger (14, 15) and the compressor (12). Yes. For this reason, a maintenance contractor, etc. pulls out the holding member (50) to the outside of the casing (20), so that the adsorption heat exchanger (14, 15) and the compressor (12) can be easily moved to the outside of the casing (20). It can be taken out.

  According to a fifth invention, in the humidity control apparatus of any one of the first to fourth inventions, outdoor air is sucked into the upper surface of the casing (20) and sent to the adsorbing member (14, 15, 80). Outflow through the outdoor suction port (31), the indoor suction port (32) for sucking indoor air and sending it to the adsorption member (14,15,80), and the adsorption member (14,15,80) An indoor air supply port (34) for supplying air into the room and an outdoor exhaust port (33) for discharging the air that has flowed out of the adsorption member (14, 15, 80) to the outside are formed. The holding member (50) is configured to be drawable from the front side of the casing (20).

  In the fifth invention, the casing (20) is formed with the outdoor suction port (31), the indoor suction port (32), the outdoor exhaust port (33), and the indoor air supply port (34). As a result, the air taken into the casing (20) from the outdoor suction port (31) is conditioned by the adsorbing member (14, 15, 80) and then supplied into the room through the indoor air supply port (34). Operation (so-called ventilation operation) in which the air taken into the casing (20) from the suction port (32) is discharged to the outside from the outdoor exhaust port (33) becomes possible. In addition, the air taken into the casing (20) from the indoor suction port (32) is conditioned by the adsorption member (14, 15, 80) and then supplied to the room through the indoor air supply port (34). An operation (so-called circulation operation) in which the air taken into the casing (20) from the port (31) is discharged to the outside from the outdoor exhaust port (33) becomes possible.

  In the present invention, the outdoor suction port (31), the indoor suction port (32), the outdoor exhaust port (33), and the indoor air supply port (34) are all formed on the upper surface of the casing (20). Thereby, when this humidity control apparatus is installed in a floor surface, the duct connected to these four opening (31,32,33,34) can be extended to the ceiling side. As a result, since the duct is not disposed around the horizontal direction of the humidity control apparatus, the installation space for the humidity control apparatus can be minimized.

  Furthermore, the holding member (50) of the present invention is configured to be drawable from the front side of the casing (20). For this reason, even if this humidity control device is arranged in a storage space such as a closet, the holding member (50) is pulled out from the front surface (open surface of the closet), and the adsorbing member (14, 15, 80) or heat medium The circuit (11) can be easily taken out of the casing (20).

  In the present invention, the adsorbing member (14, 15, 80) for adjusting the humidity of the air and the heat medium through which the heat transfer fluid for heating or cooling the adsorbent of the adsorbing member (14, 15, 80) flows The circuit (11) is integrally held by the holding member (50), and the holding member (50) can be pulled out of the casing (20). For this reason, according to the present invention, the adsorption member (14, 15, 80) and the heat medium circuit (11) are taken out of the casing (20) only by pulling out the holding member (50) by a maintenance company or the like. Therefore, maintenance of each component device connected to the adsorption member (14, 15, 80) and the heat medium circuit (11) can be easily performed. Further, when pulling out the holding member (50), it is not necessary to remove or connect the piping for constituting the heat medium circuit (11). Therefore, the maintainability of the humidity control apparatus can be greatly improved.

  In the second aspect of the invention, the refrigerant circuit (11) including the compressor (12) is held by the holding member (50), so that the adsorption member (14 , 15, 80) and the compressor (12) can be easily taken out of the casing (20). In the third aspect of the invention, the adsorption member is constituted by the adsorption heat exchanger (14, 15) and is held by the holding member (50), so that the adsorption pipe can be adsorbed without the need for removing or connecting the refrigerant pipe. Components such as the heat exchanger (14, 15) and the compressor (12) can be easily taken out of the casing (20).

  Further, according to the fourth invention, the compressor (12) is disposed in the humidity control chamber (65, 66) in which the adsorption heat exchanger (14, 15) is accommodated, so that the compressor (12) The storage space can be reduced, and the casing (20) can be downsized. In addition, since the distance between the compressor (12) and the adsorption heat exchanger (14, 15) is relatively short, the compressor (12) and the adsorption heat exchanger (14, 15) are held by a relatively simple structure. The member (50) can be held and pulled out integrally.

  In the fifth invention, the outdoor suction port (31), the outdoor exhaust port (33), the indoor suction port (32), and the indoor air supply port (34) are formed on the upper surface of the casing (20). By installing this humidity control device on the floor, the ducts connected to the suction ports (31, 32) and the air supply / exhaust ports (33, 34) can be extended upward (to the ceiling). Thereby, since a duct is not arrange | positioned around the horizontal direction of the humidity control apparatus installed in the floor surface, the installation space of the horizontal direction of a humidity control apparatus can be reduced significantly. Therefore, this humidity control apparatus can be installed in a limited space such as the inside of a closet. Further, by setting the humidity control device on the floor in this manner, the user can easily maintain the device as compared with, for example, a ceiling-embedded humidity control device.

  Further, in the fifth invention, since the holding member (50) can be pulled out from the front side of the casing (20), even if the humidity control device is arranged in a storage space such as a closet, the holding member (50) is held from the open surface of the closet. The member (50) can be pulled out, and the adsorption member (14, 15, 80) and the heat medium circuit (11) can be easily maintained.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

Embodiment 1 of the Invention
The humidity control apparatus (10) according to the first embodiment of the present invention is a floor-standing humidity control apparatus that is installed on a floor surface in a room and performs indoor humidity control. As shown in FIG. 1, the humidity control apparatus (10) is configured to be installed in a storage space (S) of a closet in which clothes and the like are stored.

  As shown in FIGS. 1-3, the humidity control apparatus (10) is provided with the casing (20) formed in the vertically long rectangular parallelepiped shape. In the perspective view of FIG. 3 (including other perspective views), the upper portion of the casing (20) and the remaining portion are shown exploded for convenience. The casing (20) includes a box-shaped casing main body (21) having only the front surface opened, and a front cover (22) removably attached to the front opening of the casing main body (21). Yes.

  The casing body (21) has a top plate (23) at the upper end and a bottom plate (24) at the lower end. The casing body (21) has a right side plate (25) at the right end and a left side plate (26) at the left end. Further, a back plate (27) is formed at the rear end of the casing body (21).

  Four duct connection ports (31, 32, 33, 34) are formed in the top plate (23). These duct connection ports (31, 32, 33, 34) are arranged adjacent to each other so as to correspond to the four corners of the top plate (23). Specifically, the four duct connection ports (31, 32, 33, 34) are an outdoor suction port (31) disposed on the front right side of the top plate (23) and a front left side of the top plate (23). The indoor suction port (32) disposed near the outdoor exhaust port (33) disposed near the rear right side of the top plate (23), and the rear left side of the top plate (23). It consists of an indoor air inlet (34). That is, the upper surface of the casing body (21) is formed so that the outdoor suction port (31), the indoor suction port (32), the outdoor exhaust port (33), and the indoor air supply port (34) are gathered. Yes.

  A duct (5) through which air can flow is connected to each duct connection port (31, 32, 33, 34) (see FIG. 1). Each duct (5) extends upward toward the ceiling side of the room, and is disposed up to a predetermined space along the back of the ceiling. Through these ducts (5), the outdoor suction port (31) and the outdoor exhaust port (33) are connected to the outdoor space, and the indoor suction port (32) and the indoor air supply port (34) are connected to the indoor space. The outdoor suction port (31) constitutes an opening for sucking outdoor air (OA) into the casing (20), and the indoor suction port (32) sends the indoor air (RA) into the casing (20). Configure an opening for inhalation. The outdoor exhaust port (33) constitutes an opening for discharging the air in the casing (20) to the outside as exhaust air (EA), and the indoor air supply port (34) is formed in the casing (20). An opening for supplying air into the room as supply air (SA) is formed.

  The front cover (22) is configured to be attachable / detachable to / from the casing main body (21) so as to cover the front opening of the casing main body (21). The front cover (22) is provided with an operation switch (not shown) for the user or the like to switch the operation of the humidity controller (10). Further, an upper portion of the front cover (22) has an opening (22a) for enabling removal of a filter (36, 37), which will be described in detail later, and an opening / closing lid (22b) capable of opening and closing the opening (22a). ) And are provided. The open / close lid (22b) is configured to be detachable from the main body of the front cover (22).

  As shown in FIGS. 2 and 3, a rectangular parallelepiped space is formed inside the casing (20) when the front cover (22) is attached to the casing body (21). Inside the casing (20), an upper partition plate (41) is provided on the upper side. The upper partition plate (41) is supported by the casing (20) in a horizontal posture.

  A flat rectangular parallelepiped space is defined between the upper partition plate (41) and the top plate (23). In this space, a vertical partition plate (42) and a horizontal partition plate (43) are provided. The vertical partition plate (42) is formed in a plate shape whose long side extends in the front-rear direction, and the horizontal partition plate (43) is formed in a plate shape whose long side extends in the left-right direction. The vertical partition plate (42) and the horizontal partition plate (43) are supported by the casing (20) in a vertical posture so as to be orthogonal to each other. The vertical partition plate (42) and the horizontal partition plate (43) partition the space between the upper partition plate (41) and the top plate (23) into four passages (51, 52, 53, 54). . These four passages include an outside air suction passage (51), an inside air suction passage (52), an outside air discharge passage (53), and an inside air supply passage (54).

  The outside air suction passage (51) is formed near the front right side of the casing (20), and the inside air suction passage (52) is formed near the front left side of the casing (20). The outside air discharge passage (53) is formed on the rear right side of the casing (20), and the inside air supply passage (54) is formed on the rear left side of the casing (20). On the other hand, the above-mentioned upper partition plate (41) has a first communication port (61) at a portion facing the outside air suction passage (51) and a second communication port (62) at a portion facing the inside air suction passage (52). A third communication port (63) is formed at a portion facing the outside air discharge passage (53), and a fourth communication port (64) is formed at a portion facing the inside air supply passage (54).

  The outdoor suction port (31) communicates with the first communication port (61) via the outdoor air suction passage (51), and the indoor suction port (32) communicates with the first communication port (52) via the indoor air suction passage (52). It communicates with the 2 communication port (62). The outdoor exhaust port (33) communicates with the third communication port (63) via the outdoor air discharge passage (53), and the indoor air supply port (34) communicates with the internal air supply passage (54). It communicates with the 4th communication port (64).

  An outside air filter (36) is provided in the outside air suction passage (51), and an inside air filter (37) is provided in the inside air suction passage (52). That is, the outdoor air filter (36) constitutes a first filter disposed below the outdoor suction port (31), and the indoor air filter (37) is disposed below the indoor suction port (32). Two filters are configured. These filters (36, 37) are formed in a plate shape or a sheet shape, and are held in a horizontal posture so as to straddle the entire cross section of the corresponding suction passages (51, 52). In addition, these filters (36, 37) are configured to advance and retract in the front-rear direction in each suction passage (51, 52).

  The outside air discharge passage (53) is provided with an exhaust fan (29), and the inside air supply passage (54) is provided with an air supply fan (30) (see FIG. 2). These fans (29, 30) are constituted by centrifugal multiblade fans (so-called sirocco fans). In the perspective view of FIG. 3 (including other perspective views), these fans (29, 30) are not shown. The exhaust fan (29) blows air attracted from the third communication port (63) toward the outdoor exhaust port (33). The air supply fan (30) blows air attracted from the fourth communication port (64) toward the indoor air supply port (34).

  A rectangular parallelepiped space is defined between the bottom plate (24) and the upper partition plate (41). In this space, a first partition plate (44) and a second partition plate (45) are provided. The first partition plate (44) and the second partition plate (45) are formed from the bottom plate (24) to the upper partition plate (41), and are parallel to the left and right side plates (25, 26) of the casing (20). And is supported by the casing (20) in a vertical posture. The first partition plate (44) and the second partition plate (45) partition the space between the bottom plate (24) and the upper partition plate (41) into three spaces.

  The right side of the three spaces is divided into two spaces in the front and rear by the third partition plate (46), and the left side of the three spaces is the fourth partition plate (47). Is divided into two spaces at the front and rear. The space on the front side of the third partition plate (46) constitutes the first intermediate passage (55), and the space on the front side of the fourth partition plate (47) constitutes the second intermediate passage (56). The space behind the third partition plate (46) constitutes a third intermediate passage (57), and the space behind the fourth partition plate (47) constitutes a fourth intermediate passage (58). Yes.

  The upper end of the first intermediate passage (55) communicates with the first communication port (61), the upper end of the second intermediate passage (56) communicates with the second communication port (62), and the third intermediate passage (57 ) Communicates with the third communication port (63), and the upper end of the fourth intermediate passage (58) communicates with the fourth communication port (64). Further, the lower ends of these intermediate passages (55, 56, 57, 58) are all closed by the bottom plate (24).

  Of the three spaces, the central space is divided into two spaces up and down by a central partition plate (48). Of these two spaces, the upper space constitutes the first humidity control chamber (65), and the lower space constitutes the second humidity control chamber (66). That is, the first humidity control chamber (65) and the second humidity control chamber (66) are formed side by side in the vertical direction so as to be adjacent to each other with the central partition plate (48) interposed therebetween. A support plate (40) is formed at the lower end of the second humidity control chamber (66) so as to straddle between the first partition plate (44) and the second partition plate (45).

  A first adsorption heat exchanger (14) is accommodated in the first humidity control chamber (65), and a second adsorption heat exchanger (15) is accommodated in the second humidity adjustment chamber (66). The first adsorption heat exchanger (14) is installed on the central partition plate (48), and the second adsorption heat exchanger (15) is installed on the support plate (40). The first adsorption heat exchanger (14) and the second adsorption heat exchanger (15) are connected in series to a refrigerant circuit (11) described later in detail.

  As shown in FIG. 4, each adsorption heat exchanger (14, 15) is configured by a cross fin type fin-and-tube heat exchanger. These adsorption heat exchangers (14, 15) include a copper heat transfer tube (16) and aluminum fins (17). The plurality of fins (17) provided in the adsorption heat exchanger (14, 15) are each formed in a rectangular plate shape and are arranged at regular intervals. The heat transfer tube (16) has a shape meandering in the arrangement direction of the fins (17). That is, in this heat transfer tube (16), straight tube portions that pass through the fins (17) and U-shaped tube portions that connect adjacent straight tube portions are alternately formed.

  Each of the adsorption heat exchangers (14, 15) constitutes an adsorption member having an adsorbent supported on the surface of the heat exchanger. Specifically, in each adsorption heat exchanger (14, 15), an adsorbent is supported on the surface of each fin (17), and air passing between the fins (17) is supported on the fin (17). Contact with adsorbent. As this adsorbent, those having a predetermined adsorption / desorption performance with respect to moisture in the air, such as zeolite, silica gel, activated carbon, and an organic polymer material having a hydrophilic functional group, are used.

  Each adsorption heat exchanger (14, 15) of the first embodiment is disposed obliquely in the humidity control chamber (65, 66). Specifically, in each adsorption heat exchanger (14, 15), the plurality of fins (17) are parallel to the first partition plate (44) and the second partition plate (45), and the upper end of the fin (17) is It is held in the humidity control chamber (65, 66) so as to be inclined forward from the vertical direction. Thereby, each fin (17) of each adsorption heat exchanger (14, 15) can be extended in a longitudinal direction, and the passage area of the air in each adsorption heat exchanger (14, 15) can be earned. As a result, the contact efficiency between the adsorbent and air increases.

  Moreover, in this embodiment, the compressor (12) connected to the said refrigerant circuit (11) is accommodated in the 2nd humidity control chamber (66). The compressor (12) is a vertically installed compressor and is installed on the support plate (40). The compressor (12) is composed of, for example, a scroll type or rotary type compressor. Moreover, in this embodiment, the compressor (12) is installed in the upstream of the air flow in a 2nd adsorption heat exchanger (15). Instead of this, the compressor (12) may be arranged downstream of the second adsorption heat exchanger (15).

  The first partition plate (44) and the second partition plate (45) are each formed with four circulation ports through which air flows in or out. Specifically, a first circulation port (71) is formed near the front side of the first partition plate (44), and a second circulation port (72) is formed near the rear side. In the upper part of 45), a third circulation port (73) is formed near the front side, and a fourth circulation port (74) is formed near the rear side. Further, at the lower part of the first partition plate (44), a fifth circulation port (75) is formed closer to the front side, and a sixth circulation port (76) is formed closer to the rear side, and the second partition plate (45). A seventh circulation port (77) is formed near the front side of the lower portion, and an eighth circulation port (78) is formed near the rear side.

  The first circulation port (71) communicates the first intermediate passage (55) and the first humidity control chamber (65), and the second circulation port (72) communicates with the third intermediate passage (57) and the first adjustment passage. The wet chamber (65) communicates, the third flow port (73) communicates the second intermediate passage (56) and the first humidity control chamber (65), and the fourth flow port (74) The 4 intermediate passage (58) and the 1st humidity control chamber (65) are connected. The fifth circulation port (75) communicates the first intermediate passage (55) and the second humidity control chamber (66), and the sixth circulation port (76) communicates with the third intermediate passage (57) and the second intermediate passage (57). The second humidity control chamber (66) is in communication, the seventh circulation port (77) is in communication with the second intermediate passage (56) and the second humidity control chamber (66), and the eighth circulation port (78) is The fourth intermediate passage (58) communicates with the second humidity control chamber (66).

  The first partition plate (44) and the second partition plate (45) are each provided with four dampers that can open and close the corresponding flow ports. Specifically, the first partition plate (44) includes a first damper (D1) that interrupts the first circulation port (71), a second damper (D2) that interrupts the second circulation port (72), and A fifth damper (D5) for interrupting the fifth circulation port (75) and a sixth damper (D6) for interrupting the sixth circulation port (7) are provided. The second partition plate (45) includes a third damper (D3) that connects and disconnects the third circulation port (73), a fourth damper (D4) that connects and disconnects the fourth circulation port (74), and a seventh damper. A seventh damper (D7) for interrupting the circulation port (77) and an eighth damper (D8) for interrupting the eighth circulation port (78) are provided.

  Each of the dampers (D1 to D8) has, for example, two shutters and a motor that rotates each shutter about a horizontal axis. That is, in each damper (D1 to D8), when the two shutters are displaced to a vertical posture by the rotation of the motor, the corresponding flow ports (71 to 78) are closed, and the two shutters are opened by the rotation of the motor. When displaced to a horizontal posture, the corresponding distribution ports (71 to 78) are opened.

  The first partition plate (44) and the second partition plate (45) configured as described above are formed on both side surfaces in the left-right direction of the two humidity control chambers (65, 66). The first partition plate (44) and the second partition plate (45) are formed so as to straddle the two humidity control chambers (65, 66) and are supported by the casing (20) in a vertical posture. Yes.

<Configuration of refrigerant circuit>
The refrigerant circuit (11) mounted on the humidity control device (10) will be described with reference to FIG.

  The refrigerant circuit (11) includes a first adsorption heat exchanger (14), a second adsorption heat exchanger (15), a compressor (12), a four-way switching valve (13), and an electric expansion valve (18). Closed circuit. The refrigerant circuit (11) performs a vapor compression refrigeration cycle by circulating the filled refrigerant.

  In the refrigerant circuit (11), the discharge side of the compressor (12) is connected to the first port of the four-way switching valve (13), and the suction side of the compressor (12) is connected to the second port of the four-way switching valve (13). It is connected. In the refrigerant circuit (11), one end of the first adsorption heat exchanger (14) is connected to the third port of the four-way switching valve (13), and the other end of the first adsorption heat exchanger (14) is electrically expanded. It is connected to the fourth port of the four-way switching valve (13) through the valve (18) and the second adsorption heat exchanger (15).

  The four-way switching valve (13) has a first state (state shown in FIG. 5A) in which the first port and the fourth port communicate with each other and the second port and the third port communicate with each other. The second port can be switched to the second state (the state shown in FIG. 5B) 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.

  In the humidity control apparatus (10) of the present embodiment, the refrigerant circuit (11) constitutes a heat medium circuit. In this refrigerant circuit (11), a high-pressure gas refrigerant is supplied as a heat transfer fluid for heating to the one that operates as a condenser (radiator) of the two adsorption heat exchangers (14, 15) as an evaporator. A low-pressure gas-liquid two-phase refrigerant is supplied to the operating side as a heat transfer fluid for cooling.

  Moreover, in the humidity control apparatus (10) of this embodiment, each component apparatus of the refrigerant circuit (11) mentioned above, and the refrigerant | coolant piping which connects these each component apparatus mutually are the 1st humidity control chamber (65) and a 1st humidity chamber. It is arranged in one of the two humidity chambers (66).

<Configuration of drawer unit>
In the humidity control apparatus (10) of the present embodiment, the support plate (40), the first partition plate (44), the second partition plate (45), and the central partition plate (48) are integrally connected. It constitutes the drawer unit (50). That is, the drawer unit (50) constitutes a holding member that allows the refrigerant circuit (11) to be integrally pulled out of the casing (20). The drawer unit (50) includes the compressor (12), the first adsorption heat exchanger (14), the second adsorption heat exchanger (15), the four-way switching valve (13), the electric expansion valve (18), and Refrigerant piping connecting these is held. The drawer unit (50) is configured to be able to advance and retract in the front-rear direction inside the casing (20). Specifically, rail grooves in which the lower end and the upper end of the first partition plate (44) and the second partition plate (45) are respectively fitted to the upper surface of the bottom plate (24) and the lower surface of the upper partition plate (41). (Not shown) is formed extending in the front-rear direction. The first partition plate (44) and the second partition plate (45) are slidable back and forth along these rail grooves.

-Driving action-
The humidity control apparatus (10) of the first embodiment selectively performs “dehumidification ventilation operation”, “humidification ventilation operation”, “dehumidification circulation operation”, and “humidification circulation operation”. In “dehumidification ventilation operation” and “humidification ventilation operation”, the humidity of the outdoor air (OA) taken in is adjusted to the humidity and then supplied to the room as supply air (SA). EA) is discharged outside the room. In “dehumidification circulation operation” and “humidification circulation operation”, the humidity of the captured indoor air (RA) is adjusted and then supplied to the room as supply air (SA). At the same time, the captured outdoor air (OA) is discharged into the air. Discharge outside as (EA). Hereinafter, each of these operations will be described in detail.

<Dehumidification ventilation operation>
In the humidity control apparatus (10) during the dehumidifying ventilation operation, a first operation and a second operation described later are alternately repeated at a predetermined time interval (for example, every 3 minutes).

  When the air supply fan (30) is operated in the humidity control apparatus (10) during the dehumidification / ventilation operation, outdoor air is taken as first air into the casing (20) from the outdoor suction port (31). Further, when the exhaust fan (29) is operated, room air is taken as second air from the indoor suction port (32) into the casing (20).

  First, the first operation of the dehumidifying ventilation operation will be described. As shown in FIG. 6, during the first operation, the state of the first dampers (D1 to D8) is switched, so that the first circulation port (71), the fourth circulation port (74), and the sixth circulation port. The mouth (76) and the seventh circulation port (77) are opened, and the second circulation port (72), the third circulation port (73), the fifth circulation port (75), and the eighth circulation port (78). Is closed.

  In the refrigerant circuit (11) during the first operation, as shown in FIG. 5 (A), the four-way switching valve (13) is set to the first state. In the refrigerant circuit (11) in this state, the refrigerant circulates to perform a refrigeration cycle. At this time, in the refrigerant circuit (11), the refrigerant discharged from the compressor (12) passes through the second adsorption heat exchanger (15), the electric expansion valve (18), and the first adsorption heat exchanger (14) in this order. The second adsorption heat exchanger (15) serves as a condenser and the first adsorption heat exchanger (14) serves as an evaporator.

  As shown in FIG. 6, the 1st air which flowed in from the said outdoor inlet (31) into the outdoor air suction path (51) passes an external air filter (36). The outside air filter (36) captures dust contained in the first air. The first air that has passed through the outside air filter (36) sequentially flows through the first communication port (61) and the first intermediate passage (55), and flows into the first humidity control chamber (65) from the first flow port (71). To do. The first air flows rearward and passes through the first adsorption heat exchanger (14). In the first adsorption heat exchanger (14), moisture in the first air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant. The first air dehumidified by the first adsorption heat exchanger (14) flows out from the fourth circulation port (74) to the fourth intermediate passage (58). The first air sequentially flows through the fourth communication port (64) and the inside air supply passage (54), flows out from the indoor air supply port (34) to the duct, and is supplied indoors.

  On the other hand, the 2nd air which flowed in into the inside air suction passage (52) from the indoor suction port (32) passes the inside air filter (37). In the inside air filter (37), dust contained in the second air is captured. The second air that has passed through the inside air filter (37) sequentially flows through the second communication port (62) and the second intermediate passage (56), and flows into the second humidity control chamber (66) from the seventh flow port (77). To do. The second air flows rearward and passes through the second adsorption heat exchanger (15). In the second adsorption heat exchanger (15), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the second air. The second air used for regeneration of the adsorbent in the second adsorption heat exchanger (15) flows out from the sixth circulation port (76) to the third intermediate passage (57). The second air sequentially flows through the third communication port (63) and the outside air discharge passage (53), flows out from the outdoor exhaust port (33) to the duct, and is discharged outside the room.

  Next, the second operation of the dehumidifying ventilation operation will be described. As shown in FIG. 7, during the second operation, the state of the first dampers (D1 to D8) is switched, so that the second circulation port (72), the third circulation port (73), and the fifth circulation port. The mouth (75) and the eighth circulation port (78) are opened, and the first circulation port (71), the fourth circulation port (74), the sixth circulation port (76), and the seventh circulation port (77). Is closed.

  In the refrigerant circuit (11) during the second operation, as shown in FIG. 5 (B), the four-way selector valve (13) is set to the second state. In the refrigerant circuit (11) in this state, the refrigerant circulates to perform a refrigeration cycle. At this time, in the refrigerant circuit (11), the refrigerant discharged from the compressor (12) passes through the first adsorption heat exchanger (14), the electric expansion valve (18), and the second adsorption heat exchanger (15) in this order. The first adsorption heat exchanger (14) serves as a condenser and the second adsorption heat exchanger (15) serves as an evaporator.

  As shown in FIG. 7, the first air that has flowed into the outside air suction passage (51) from the outdoor suction port (31) passes through the outside air filter (36). The outside air filter (36) captures dust contained in the first air. The first air that has passed through the outside air filter (36) flows in order through the first communication port (61) and the first intermediate passage (55), and flows into the second humidity control chamber (66) from the fifth flow port (75). To do. The first air flows backward and passes through the second adsorption heat exchanger (15). In the second adsorption heat exchanger (15), moisture in the first air is adsorbed by the adsorbent, and the adsorption heat generated at that time is absorbed by the refrigerant. The first air dehumidified by the second adsorption heat exchanger (15) flows out from the eighth circulation port (78) to the fourth intermediate passage (58). The first air sequentially flows through the fourth communication port (64) and the inside air supply passage (54), flows out from the indoor air supply port (34) to the duct, and is supplied indoors.

  On the other hand, the 2nd air which flowed into the inside air suction passage (52) from the room suction port (32) passes the inside air filter (37). In the inside air filter (37), dust contained in the second air is captured. The second air that has passed through the inside air filter (37) sequentially flows through the second communication port (62) and the second intermediate passage (56), and flows into the first humidity control chamber (65) from the third flow port (73). To do. The second air flows backward and passes through the first adsorption heat exchanger (14). In the first adsorption heat exchanger (14), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the second air. The second air used for regeneration of the adsorbent in the first adsorption heat exchanger (14) flows out from the second circulation port (72) to the third intermediate passage (57). The second air sequentially flows through the third communication port (63) and the outside air discharge passage (53), flows out from the outdoor exhaust port (33) to the duct, and is discharged outside the room.

<Humidified ventilation operation>
In the humidity control apparatus (10) during the humidification ventilation operation, a first operation and a second operation described later are alternately repeated at a predetermined time interval (for example, every 3 minutes).

  When the air supply fan (30) is operated in the humidity control apparatus (10) during the humidification ventilation operation, the outdoor air is taken as the first air from the outdoor suction port (31) into the casing (20). Further, when the exhaust fan (29) is operated, room air is taken as second air from the indoor suction port (32) into the casing (20).

  During the first operation of the humidification ventilation operation, as shown in FIG. 6, the first circulation port (71), the fourth circulation port (74), the sixth circulation port (76), and the seventh circulation port (77). Is opened, and the second flow port (72), the third flow port (73), the fifth flow port (75), and the eighth flow port (78) are closed. Further, the refrigerant circuit (11) is in the state shown in FIG. 5B, and the first adsorption heat exchanger (14) is a condenser and the second adsorption heat exchanger (15) is an evaporator.

  As shown in FIG. 6, the first air flowing into the outdoor air suction passage (51) from the outdoor suction port (31) is the outdoor air filter (36), the first communication port (61), the first intermediate passage (55), And it flows through a 1st distribution port (71) in order, flows in into a 1st humidity control chamber (65), and passes a 1st adsorption heat exchanger (14). In the first adsorption heat exchanger (14), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the first air. The first air humidified by the first adsorption heat exchanger (14) passes through the fourth circulation port (74), the fourth intermediate passage (58), the fourth communication port (64), and the inside air supply passage (54). It flows in order, flows out from the indoor air supply port (34) to the duct, and is supplied into the room.

  On the other hand, the 2nd air which flowed into the inside air suction passage (52) from the indoor suction port (32) is the inside air filter (37), the second communication port (62), the second intermediate passage (56), and the seventh circulation port. (77) flows in sequence into the second humidity control chamber (66) and passes through the second adsorption heat exchanger (15). In the second adsorption heat exchanger (15), moisture in the second air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant. The second air that has given moisture to the adsorbent of the second adsorption heat exchanger (15) is the sixth circulation port (76), the third intermediate passage (57), the third communication port (63), and the outside air discharge passage. (53) flows in order, flows out from the outdoor exhaust port (33) to the duct, and is discharged to the outside.

  During the second operation of the humidification ventilation operation, as shown in FIG. 7, the second circulation port (72), the third circulation port (73), the fifth circulation port (75), and the eighth circulation port (78). Is opened, and the first flow port (71), the fourth flow port (74), the sixth flow port (76), and the seventh flow port (77) are closed. Further, the refrigerant circuit (11) is in the state shown in FIG. 5A, and the second adsorption heat exchanger (15) is a condenser and the first adsorption heat exchanger (14) is an evaporator.

  As shown in FIG. 7, the first air flowing into the outdoor air suction passage (51) from the outdoor suction port (31) is the outdoor air filter (36), the first communication port (61), the first intermediate passage (55), And it flows through the 5th circulation port (75) in order, flows into the 2nd humidity control chamber (66), and passes the 2nd adsorption heat exchanger (15). In the second adsorption heat exchanger (15), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the first air. The first air humidified by the second adsorption heat exchanger (15) passes through the eighth circulation port (78), the fourth intermediate passage (58), the fourth communication port (64), and the inside air supply passage (54). It flows in order, flows out from the indoor air supply port (34) to the duct, and is supplied into the room.

  On the other hand, the 2nd air which flowed in from the indoor suction port (32) to the inside air suction passage (52) is the inside air filter (37), the second communication port (62), the second intermediate passage (56), and the third circulation port. (73) flows in sequence into the first humidity control chamber (65) and passes through the first adsorption heat exchanger (14). In the first adsorption heat exchanger (14), moisture in the second air is adsorbed by the adsorbent, and the adsorption heat generated at that time is absorbed by the refrigerant. The second air that has given moisture to the adsorbent of the first adsorption heat exchanger (14) is a second circulation port (72), a third intermediate passage (57), a third communication port (63), and an outside air discharge passage. (53) flows in order, flows out from the outdoor exhaust port (33) to the duct, and is discharged to the outside.

<Dehumidification circulation operation>
In the humidity control apparatus (10) during the dehumidification circulation operation, a first operation and a second operation described later are alternately repeated at a predetermined time interval (for example, every 3 minutes).

  When the air supply fan (30) is operated in the humidity control apparatus (10) during the dehumidifying circulation operation, the indoor air is taken as the first air from the indoor suction port (32) into the casing (20). When the exhaust fan (29) is operated, outdoor air is taken as second air from the outdoor suction port (31) into the casing (20).

  During the first operation of the dehumidifying circulation operation, as shown in FIG. 8, the third circulation port (73), the fourth circulation port (74), the fifth circulation port (75), and the sixth circulation port (76). Is opened, and the first flow port (71), the second flow port (72), the seventh flow port (77), and the eighth flow port (78) are closed. Further, the refrigerant circuit (11) is in the state shown in FIG. 5A, and the second adsorption heat exchanger (15) is a condenser and the first adsorption heat exchanger (14) is an evaporator.

  As shown in FIG. 8, the first air that has flowed from the indoor suction port (32) into the inside air suction passage (52) is the inside air filter (37), the second communication port (62), the second intermediate passage (56), And it flows through the 3rd circulation port (73) in order, flows into the 1st humidity control chamber (65), and passes the 1st adsorption heat exchanger (14). In the first adsorption heat exchanger (14), moisture in the first air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant. The first air dehumidified by the first adsorption heat exchanger (14) passes through the fourth circulation port (74), the fourth intermediate passage (58), the fourth communication port (64), and the inside air supply passage (54). It flows in order, flows out from the indoor air supply port (34) to the duct, and is supplied into the room.

  On the other hand, the second air that has flowed into the outside air suction passage (51) from the outdoor suction port (31) is the outside air filter (36), the first communication port (61), the first intermediate passage (55), and the fifth circulation port. (75) flows in sequence into the second humidity control chamber (66) and passes through the second adsorption heat exchanger (15). In the second adsorption heat exchanger (15), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the second air. The second air used for regeneration of the adsorbent of the second adsorption heat exchanger (15) is the sixth circulation port (76), the third intermediate passage (57), the third communication port (63), and the outside air discharge. It flows through the passage (53) in order, flows out from the outdoor exhaust port (33) to the duct, and is discharged to the outside.

  During the second operation of the dehumidifying circulation operation, as shown in FIG. 9, the first circulation port (71), the second circulation port (72), the seventh circulation port (77), and the eighth circulation port (78). Is opened, and the third flow port (73), the fourth flow port (74), the fifth flow port (75), and the sixth flow port (76) are closed. Further, the refrigerant circuit (11) is in the state shown in FIG. 5B, and the first adsorption heat exchanger (14) is a condenser and the second adsorption heat exchanger (15) is an evaporator.

  As shown in FIG. 9, the first air that has flowed from the indoor suction port (32) into the inside air suction passage (52) is the inside air filter (37), the second communication port (62), the second intermediate passage (56), And it flows through the 7th circulation port (77) in order, flows into the 2nd humidity control chamber (66), and passes the 2nd adsorption heat exchanger (15). In the second adsorption heat exchanger (15), moisture in the first air is adsorbed by the adsorbent, and the adsorption heat generated at that time is absorbed by the refrigerant. The first air dehumidified by the second adsorption heat exchanger (15) passes through the eighth circulation port (78), the fourth intermediate passage (58), the fourth communication port (64), and the inside air supply passage (54). It flows in order, flows out from the indoor air supply port (34) to the duct, and is supplied into the room.

  On the other hand, the second air flowing into the outside air suction passage (51) from the outdoor suction port (31) is the outside air filter (36), the first communication port (61), the first intermediate passage (55), and the first circulation port. (71) flows in sequence into the first humidity control chamber (65) and passes through the first adsorption heat exchanger (14). In the first adsorption heat exchanger (14), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the second air. The second air used for regeneration of the adsorbent of the first adsorption heat exchanger (14) is the second circulation port (72), the third intermediate passage (57), the third communication port (63), and the outside air discharge. It flows through the passage (53) in order, flows out from the outdoor exhaust port (33) to the duct, and is discharged to the outside.

<Humidification circulation operation>
In the humidity control apparatus (10) during the humidification circulation operation, a first operation and a second operation described later are alternately repeated at a predetermined time interval (for example, every 3 minutes).

  When the air supply fan (30) is operated in the humidity control apparatus (10) during the humidification circulation operation, the room air is taken as the first air from the indoor suction port (32) into the casing (20). When the exhaust fan (29) is operated, outdoor air is taken as second air from the outdoor suction port (31) into the casing (20).

  During the first operation of the humidification circulation operation, as shown in FIG. 8, the third circulation port (73), the fourth circulation port (74), the fifth circulation port (75), and the sixth circulation port (76). Is opened, and the first flow port (71), the second flow port (72), the seventh flow port (77), and the eighth flow port (78) are closed. Further, the refrigerant circuit (11) is in the state shown in FIG. 5B, and the first adsorption heat exchanger (14) is a condenser and the second adsorption heat exchanger (15) is an evaporator.

  As shown in FIG. 8, the first air that has flowed from the indoor suction port (32) into the inside air suction passage (52) is the inside air filter (37), the second communication port (62), the second intermediate passage (56), And it flows through the 3rd circulation port (73) in order, flows into the 1st humidity control chamber (65), and passes the 1st adsorption heat exchanger (14). In the first adsorption heat exchanger (14), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the first air. The first air humidified by the first adsorption heat exchanger (14) passes through the fourth circulation port (74), the fourth intermediate passage (58), the fourth communication port (64), and the inside air supply passage (54). It flows in order, flows out from the indoor air supply port (34) to the duct, and is supplied into the room.

  On the other hand, the second air that has flowed into the outside air suction passage (51) from the outdoor suction port (31) is the outside air filter (36), the first communication port (61), the first intermediate passage (55), and the fifth circulation port. (75) flows in sequence into the second humidity control chamber (66) and passes through the second adsorption heat exchanger (15). In the second adsorption heat exchanger (15), moisture in the second air is adsorbed by the adsorbent, and the heat of adsorption generated at that time is absorbed by the refrigerant. The second air that has given moisture to the adsorbent of the second adsorption heat exchanger (15) is the sixth circulation port (76), the third intermediate passage (57), the third communication port (63), and the outside air discharge passage. (53) flows in order, flows out from the outdoor exhaust port (33) to the duct, and is discharged to the outside.

  During the second operation of the humidification circulation operation, as shown in FIG. 9, the first circulation port (71), the second circulation port (72), the seventh circulation port (77), and the eighth circulation port (78). Is opened, and the third flow port (73), the fourth flow port (74), the fifth flow port (75), and the sixth flow port (76) are closed. Further, the refrigerant circuit (11) is in the state shown in FIG. 5A, and the second adsorption heat exchanger (15) is a condenser and the first adsorption heat exchanger (14) is an evaporator.

  As shown in FIG. 9, the first air that has flowed from the indoor suction port (32) into the inside air suction passage (52) is the inside air filter (37), the second communication port (62), the second intermediate passage (56), And it flows through the 7th circulation port (77) in order, flows into the 2nd humidity control chamber (66), and passes the 2nd adsorption heat exchanger (15). In the second adsorption heat exchanger (15), moisture is desorbed from the adsorbent heated by the refrigerant, and the desorbed moisture is given to the first air. The first air humidified by the second adsorption heat exchanger (15) passes through the eighth circulation port (78), the fourth intermediate passage (58), the fourth communication port (64), and the inside air supply passage (54). It flows in order, flows out from the indoor air supply port (34) to the duct, and is supplied into the room.

  On the other hand, the second air flowing into the outside air suction passage (51) from the outdoor suction port (31) is the outside air filter (36), the first communication port (61), the first intermediate passage (55), and the first circulation port. (71) flows in sequence into the first humidity control chamber (65) and passes through the first adsorption heat exchanger (14). In the first adsorption heat exchanger (14), moisture in the second air is adsorbed by the adsorbent, and the adsorption heat generated at that time is absorbed by the refrigerant. The second air that has given moisture to the adsorbent of the first adsorption heat exchanger (14) is a second circulation port (72), a third intermediate passage (57), a third communication port (63), and an outside air discharge passage. (53) flows in order, flows out from the outdoor exhaust port (33) to the duct, and is discharged to the outside.

-Maintenance of humidity control device-
As described above, the humidity control device (10) is housed in the internal space (S) of the closet and installed on the floor surface. Therefore, in the state shown in FIG. 1, a maintenance space can be secured only in front of the humidity control apparatus (10). Thus, in the humidity control apparatus (10), the front cover (22) of the casing (20) is removed, so that maintenance of each component device can be performed from the front side of the humidity control apparatus (10).

  Specifically, when the outside air filter (36) and the inside air filter (37) are replaced or cleaned, the opening / closing lid (22b) of the front cover (22) is removed and the opening (22a) is opened. . Thereby, an outside air filter (36) and an inside air filter (37) will be in the state exposed to the exterior of the casing (20) through the opening part (22a). In this state, the user or the like can easily pull out and remove these filters (36, 37) by sliding the outside air filter (36) and the inside air filter (37) forward. Thereafter, the filter (36, 37) that has been cleaned or replaced is inserted into the casing (20) through the opening (22a), whereby each filter (36, 37) is returned to its original position. In the first embodiment, the outside air filter (36) and the inside air filter (37) are configured separately. However, these filters (36, 37) are formed as an integral filter unit, and the outside air suction passage (51 ) And the inside air suction passage (52). In this case, the filter unit can be taken out and maintenance can be performed.

  When performing maintenance of other components in the casing (20), the front cover (22) is removed from the casing body (21). As a result, the drawer unit (50) is exposed to the outside of the casing (20). In this state, the maintenance company or the like slides the drawer unit (50) forward (see FIG. 10). Thereby, a 1st partition plate (44), a 2nd partition plate (45), a support plate (40), and a center partition plate (48) are pulled out by this side. At the same time, the components of the refrigerant circuit (11) held in the drawer unit (50) and the refrigerant pipe are also drawn out to the near side.

  With the drawer unit (50) being taken out of the casing (20) in this way, components such as the compressor (12), adsorption heat exchanger (14, 15), electric expansion valve (18), refrigerant piping Maintenance is performed. In this state, the dampers (D1 to D8) provided on the first and second partition plates (44, 45) are also drawn out. Therefore, an operator or the like can easily perform maintenance of the dampers (D1 to D8).

-Effect of Embodiment 1-
In the first embodiment, an adsorption heat exchanger (14, 15) as an adsorbing member for adjusting the humidity of air, other components of the refrigerant circuit (11), refrigerant piping, and the like are integrated with the drawer unit (50). The drawer unit (50) can be pulled out of the casing (20). For this reason, it is possible to take out these components from the casing (20) by simply pulling out the drawer unit (50) by a maintenance contractor, etc., making it easy to maintain the adsorption heat exchanger (14, 15), etc. Can be done. Further, when pulling out the drawer unit (50), it is not necessary to remove or connect the refrigerant pipe. Therefore, the maintainability of the humidity control apparatus can be greatly improved.

  Further, by disposing the compressor (12) in the second humidity control chamber (66), it is possible to reduce the storage space of the compressor (12) and to downsize the casing (20). In addition, since the distance between the compressor (12) and the adsorption heat exchanger (14, 15) is relatively short, the compressor (12) and the adsorption heat exchanger (14, 15) are held by a relatively simple structure. The member (50) can be held and pulled out integrally, and the length of the refrigerant pipe connecting the compressor (12) and the adsorption heat exchanger (14, 15) can be shortened.

  Furthermore, the outdoor suction port (31), the outdoor exhaust port (33), the indoor suction port (32), and the indoor air supply port (34) are collectively formed on the top plate (23) of the casing (20). . Thus, for example, as shown in FIG. 1, the humidity control device (10) is installed on the floor surface of the closet storage space (S) and connected to each duct connection port (31, 32, 33, 34). (5) can be extended upward (ceiling side). That is, in the humidity control apparatus (10) of the first embodiment, the duct is not disposed around the horizontal direction, so the installation space in the horizontal direction of the humidity control apparatus (10) can be greatly reduced. . In addition, by installing the humidity control device (10) on the floor, the user can easily maintain the device as compared with, for example, a ceiling-embedded humidity control device.

  In addition, since the front cover (22) is detachably attached to the front side of the casing (20), the front cover (22) is removed and each component is installed even if the humidity control device (10) is installed in the closet. Maintenance can be easily performed.

<< Embodiment 2 of the Invention >>
The humidity control apparatus (10) according to the second embodiment is different from the first embodiment in configuration. In the following, differences from the first embodiment will be mainly described. The humidity control apparatus (10) of Embodiment 2 includes a casing (20) that is flat on the top and bottom, and is configured to be installed, for example, on the back of a ceiling.

  As shown in FIG. 11, the casing (20) is formed with an outdoor suction port (31) near the lower part of the central part on the front side (upper side in FIG. 11A), and close to the upper part of the central part on the front side. An indoor suction port (32) is formed in the interior. The casing (20) is formed with an outdoor exhaust port (33) near the left rear and an indoor air supply port (34) near the right rear. A side cover (28) that is detachably attached to the casing body (21) is attached to the right side surface of the casing (20).

  The inside of the casing (20) is partitioned into three spaces in the front and rear by a first partition plate (44) and a second partition plate (45). Among these spaces, the front space is divided up and down by the third partition plate (46), the lower space constitutes the outside air suction passage (51), and the upper space constitutes the inside air suction passage (52). is doing. The outside air suction passage (51) is provided with an outside air filter (36), and the inside air suction passage (52) is provided with an inside air filter (37).

  Further, the rear space among the three spaces is partitioned vertically by the fourth partition plate (47), the lower space constitutes the outside air discharge passage (53), and the upper space is the inside air supply passage. (54). Further, an exhaust fan (29) is provided in a space downstream of the outside air discharge passage (53), and an air supply fan (30) is provided in a space downstream of the inside air supply passage (54). .

  Among the three spaces, the central space is divided into three spaces on the left and right by the central partition plate (48) and the machine room partition plate (49), and the first humidity control chamber (in order from the left to the right) 65), a second humidity control chamber (66), and a machine room (68) are formed. Further, a support plate (40) is formed on the bottom side of the inside of the casing (20) so as to straddle the first humidity control chamber (65), the second humidity control chamber (66), and the machine chamber (68). ing. The support plate (40) is formed along the bottom surface of the casing (20), and is configured to be slidable in the left-right direction.

  A first adsorption heat exchanger (14) is installed in the first humidity control chamber (65), and a second adsorption heat exchanger (15) is installed in the second humidity control chamber (66). A compressor (12) is installed in the machine room (68). Moreover, the refrigerant circuit (11) of Embodiment 2 is comprised so that it may straddle a 1st humidity control chamber (65), a 2nd humidity control chamber (66), and a machine room (68).

  The first divider plate (44) has a first circulation port (71) and a first damper (D1) on the lower left side thereof, and a second circulation port (72) and a second damper (D2) on the upper left side thereof. However, a fifth flow port (75) and a fifth damper (D5) are provided on the lower right side of the lower portion, and a sixth flow port (76) and a sixth damper (D6) are provided on the upper right side thereof. The second partition plate (45) has a third flow port (73) and a third damper (D3) on the lower left side of the lower part, and a fourth flow port (74) and a fourth damper (D3) on the upper left side of the second partition plate (45). D4) is provided with a seventh circulation port (77) and a seventh damper (D7) on the lower right side thereof, and an eighth circulation port (78) and an eighth damper (D8) on the upper right side thereof. .

  In the humidity control apparatus (10) of the second embodiment, “dehumidification ventilation operation”, “humidification ventilation operation”, “dehumidification circulation operation”, and “humidification circulation operation” can be performed as in the first embodiment. ing. That is, also in the humidity control apparatus (10) of Embodiment 2, each operation similar to the above is performed according to the switching of the open / close state of the dampers (D1 to D8) and the setting of the four-way switching valve (13). .

  In the second embodiment, the support plate (40), the first partition plate (44), the second partition plate (45), the central partition plate (48), and the machine room partition plate (49) are integrally connected. And constitutes a drawer unit (50). And the drawer unit (50) is integrally hold | maintaining each component apparatus and refrigerant | coolant piping of a refrigerant circuit (11) similarly to the said Embodiment 1. FIG. In the second embodiment, maintenance of each component device is performed by pulling out the drawer unit (50) toward the right side.

  Specifically, first, the side cover (28) is removed from the casing body (21), and the drawer unit (50) is exposed to the outside of the casing (20). In this state, pull out the drawer unit (50) to the side. As a result, the components of the refrigerant circuit (11) and the refrigerant pipes held in the drawer unit (50) are pulled out to the side (see FIG. 12).

  With the drawer unit (50) being taken out of the casing (20) in this way, components such as the compressor (12), adsorption heat exchanger (14, 15), electric expansion valve (18), refrigerant piping Maintenance is performed. In this state, the dampers (D1 to D8) provided on the partition plates (44, 45) are also drawn out. Therefore, an operator or the like can easily perform maintenance of the dampers (D1 to D8).

<< Embodiment 3 of the Invention >>
The humidity control apparatus (10) according to the third embodiment of the present invention is different in configuration from the first and second embodiments. The humidity control apparatus (10) according to Embodiment 3 performs dehumidification and humidification of air using a rotatable desiccant rotor (80). In addition, the humidity control device (10) in this example controls the humidity of the outdoor air (OA) and supplies it to the room as supply air (SA), and at the same time discharges the room air (RA) to the outside as discharge air (EA). This constitutes a ventilation type humidity control device.

  Specifically, as shown in FIG. 13, the humidity control apparatus (10) has a first air passage (91) and a second air passage (92) defined in the casing (20). An outdoor suction port (31) is formed on the inflow side of the first air passage (91), and an indoor air supply port (34) is formed on the outflow side of the first air passage (91). An indoor suction port (32) is formed on the inflow side of the second air passage (92), and an outdoor exhaust port (33) is formed on the outflow side of the second air passage (92).

  In the desiccant rotor (80), an adsorbent is supported on the surface of a disk-shaped base material to constitute an adsorbing member. The desiccant rotor (80) is disposed so as to straddle the first air passage (91) and the second air passage (92), and a substantially half portion in the radial direction faces the first air passage (91) and remains. Approximately half of the region faces the second air passage (92). In the desiccant rotor (80), the portion facing the first air passage (91) constitutes the first region (81), and the portion facing the second air passage (92) constitutes the second region (82). ing. The desiccant rotor (80) has a rotation shaft (83) passing through and fixed to the axis thereof. The rotating shaft (83) is driven by a motor or the like (not shown). Accordingly, the desiccant rotor (80) is configured to rotate while straddling both the air passages (91, 92).

  Further, the humidity control apparatus (10) includes a refrigerant circuit (11) as a heat medium circuit. The refrigerant circuit (11) is connected to a compressor (12), a first heat exchanger (85), a second heat exchanger (86), an electric expansion valve (not shown), and the like. In the refrigerant circuit (11), the refrigerant as the heat transfer fluid circulates to perform a vapor compression refrigeration cycle. In addition, a four-way switching valve (not shown) is also connected to the refrigerant circuit (11). In the refrigerant circuit (11), by switching the setting of the four-way switching valve, the first heat exchanger (85) serves as an evaporator and the second heat exchanger (86) serves as a condenser, and the first heat exchange. It is possible to operate the condenser (85) as a condenser and the second heat exchanger (86) as an evaporator.

  In the example shown in FIG. 13, the first heat exchanger (85) is disposed in the first air passage (91), and the second heat exchanger (86) is disposed in the second air passage (92). The first heat exchanger (85) and the second heat exchanger (86) are respectively arranged on the upstream side of the desiccant rotor (80). In this example, the compressor (12) is disposed downstream of the desiccant rotor (80) in the first air passage (91). The compressor (12) may be disposed on the upstream side of the desiccant rotor (80) in the first air passage (91), or on the upstream side of the desiccant rotor (80) in the second air passage (92). You may arrange | position in the downstream. The first air passage (91) is provided with an air supply fan (30) in the vicinity of the indoor air supply port (34), and the second air passage (92) is provided with the outdoor exhaust port (33). An exhaust fan (29) is disposed in the vicinity of ().

  The humidity control apparatus (10) of Embodiment 3 includes a drawer unit (50) that integrally holds the desiccant rotor (80) and the refrigerant circuit (11). The drawer unit (50) includes a compressor (12), a first heat exchanger (85), a second heat exchanger (86), an electric expansion valve, a four-way switching valve, a desiccant rotor (80), and the like. It is held integrally. The drawer unit (50) also holds refrigerant piping of the refrigerant circuit (11), the rotating shaft (83), the motor, and the like. Further, the drawer unit (50) also holds a partition (94) for partitioning the first air passage (91) and the second air passage (92) in the vicinity of the desiccant rotor (80). The drawer unit (50) is configured to be able to be drawn out of the casing (20) from one side surface of the casing (20). Specifically, in this example, the drawer unit (50) is configured to be slidable in a direction orthogonal to the air passages (91, 92), and can be taken out of the casing (20).

  When the air supply fan (30) is operated during the operation of the humidity control device (10), the outdoor air (OA) is first transferred from the outdoor suction port (31) to the first air passage (91) in the casing (20). It is taken in as air. When the exhaust fan (29) is operated, the indoor air (RA) is taken as the second air from the indoor suction port (32) into the second air passage (92) in the casing (20).

  In the dehumidifying operation of the humidity controller (10), the first heat exchanger (85) serves as an evaporator and the second heat exchanger (86) serves as a condenser according to the setting of the four-way switching valve. The air flowing through the first air passage (91) is cooled by the first heat exchanger (85) and then passes through the first region (81) of the desiccant rotor (80). As a result, moisture in the air is adsorbed by the adsorbent in the first region (81). That is, air is dehumidified in the first region (81) of the desiccant rotor (80) during the dehumidifying operation. The air dehumidified by the desiccant rotor (80) is supplied into the room through the indoor air supply port (34). On the other hand, the air flowing through the second air passage (92) is heated by the second heat exchanger (86) and then passes through the second region (82) of the desiccant rotor (80). As a result, the moisture adsorbed on the adsorbent in the second region (82) is desorbed. That is, the adsorbent is regenerated in the second region (82) of the desiccant rotor (80) during the dehumidifying operation. The air used for regeneration of the adsorbent of the desiccant rotor (80) is discharged to the outside through the outdoor exhaust port (33).

  In the humidification operation of the humidity controller (10), the first heat exchanger (85) serves as a condenser and the second heat exchanger (86) serves as an evaporator according to the setting of the four-way switching valve. The air flowing through the first air passage (91) is heated by the first heat exchanger (85) and then passes through the first region (81) of the desiccant rotor (80). As a result, the moisture adsorbed on the adsorbent in the first region (81) is desorbed. That is, air is humidified in the first region (81) of the desiccant rotor (80) during the humidifying operation. The air humidified by the desiccant rotor (80) is supplied into the room through the indoor air supply port (34). On the other hand, the air flowing through the second air passage (92) is cooled by the second heat exchanger (86) and then passes through the second region (82) of the desiccant rotor (80). As a result, moisture in the air is adsorbed on the adsorbent in the second region (82). That is, moisture in the air is imparted to the adsorbent in the second region (82) of the desiccant rotor (80) during the humidifying operation. The air that has given moisture to the adsorbent of the desiccant rotor (80) is discharged to the outside through the outdoor exhaust port (33).

  Further, during maintenance of the humidity control apparatus (10) of the third embodiment, the drawer unit (50) is slid in a direction orthogonal to the air passages (91, 92), and the drawer unit (50) is moved outside the casing (20). Pull out to. Thereby, each component of the refrigerant circuit (11) held in the drawer unit (50), the desiccant rotor (80), and the like are pulled out to the side (see FIG. 14). Thus, maintenance of each component device of the refrigerant circuit (11) and the desiccant rotor (80) is performed in a state where the drawer unit (50) is taken out of the casing (20).

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

  In each of the above embodiments, the refrigerant of the refrigerant circuit (11) in which the refrigeration cycle is performed is used as a heat transfer fluid for heating or cooling the adsorbent of the adsorption heat exchanger (14, 15) or the desiccant rotor (80). Yes. However, as such a heat transfer fluid, for example, hot water heated by a predetermined heating source, cold water cooled by a predetermined cooling device, or the like may be used, or another heat transfer fluid may be used. good.

  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 relates to a humidity control apparatus that performs indoor humidity control using an adsorbent carried on an adsorption member, and is particularly useful as a measure for improving the maintainability of the humidity control apparatus.

It is a schematic block diagram which shows the state which installed the humidity control apparatus and ventilation apparatus which concern on Embodiment 1 in the closet. It is a schematic block diagram of the humidity control apparatus which concerns on Embodiment 1, FIG.2 (A) is a top view, FIG.2 (B) is a XX arrow line view of FIG.2 (A), FIG.2 (C). FIG. 2A is a view taken in the direction of arrows YY in FIG. 1A, and FIG. 2D is a view taken in the direction of arrows ZZ in FIG. It is a perspective view which shows the inside of the humidity control apparatus which concerns on Embodiment 1. FIG. It is a perspective view which shows schematic structure of an adsorption heat exchanger. It is a schematic block diagram of the refrigerant circuit of the humidity control apparatus which concerns on Embodiment 1 and 2. It is a perspective view explaining the flow of the air in the 1st operation | movement of the dehumidification ventilation driving | operation of the humidity control apparatus which concerns on Embodiment 1, and a humidification ventilation driving | operation. It is a perspective view explaining the flow of the air in the 2nd operation | movement of the dehumidification ventilation driving | operation of the humidity control apparatus which concerns on Embodiment 1, and a humidification ventilation driving | operation. It is a perspective view explaining the flow of the air in the 1st operation | movement of the dehumidification circulation driving | operation of the humidity control apparatus which concerns on Embodiment 1, and a humidification circulation driving | operation. It is a perspective view explaining the flow of the air in the 2nd operation | movement of the dehumidification circulation driving | operation of the humidity control apparatus which concerns on Embodiment 1, and a humidification circulation driving | operation. It is a perspective view in the state where the drawer unit was pulled out in the humidity control apparatus according to the first embodiment. It is a schematic block diagram of the humidity control apparatus which concerns on Embodiment 2, FIG.11 (A) is a top view, FIG.11 (B) is a YY arrow line view of FIG.11 (A), FIG.11 (C). These respectively show the ZZ arrow line view of FIG. 11 (A). FIG. 3 is a top view of the humidity control apparatus according to Embodiment 1 in a state where a drawer unit is pulled out. It is a schematic block diagram of the humidity control apparatus which concerns on Embodiment 3. It is a schematic block diagram in the state where the drawer unit was pulled out in the humidity control apparatus according to the third embodiment.

Explanation of symbols

10 Humidity control device
11 Heat medium circuit (refrigerant circuit)
12 Compressor
14 First adsorption heat exchanger (adsorption member)
15 Second adsorption heat exchanger (adsorption member)
20 casing
31 Outdoor inlet
32 Indoor inlet
33 Outdoor exhaust
34 Indoor air inlet
50 drawer unit
65 First humidity chamber (humidity chamber)
66 Second humidity chamber (humidity chamber)
80 Desiccant rotor

Claims (5)

Adsorption member (14, 15, 80) carrying an adsorbent capable of adsorbing moisture, and a heat medium circuit in which a heat transfer fluid for heating or cooling the adsorbent of the adsorption member (14, 15, 80) flows (11) and a casing (20) in which the air is brought into contact with the adsorbent of the adsorbing member (14, 15, 80) to adjust the humidity of the air and supply it to the room. There,
The adsorbing member (14, 15, 80) and the heat medium circuit (11) are integrally held, and further provided with a holding member (50) that can be pulled out of the casing (20). Humidity control device. In claim 1,
The heat medium circuit is configured by a refrigerant circuit (11) to which a compressor (12) is connected and a refrigerant as the heat medium fluid circulates to perform a refrigeration cycle,
The humidity control apparatus, wherein the holding member (50) holds the compressor (12). In claim 2,
The adsorption member comprises an adsorption heat exchanger (14, 15) in which an adsorbent is supported on the surface of a heat exchanger connected to the refrigerant circuit (11),
The humidity control device, wherein the holding heat exchanger (14, 15) is held by the holding member (50). In claim 3,
In the casing (20), the adsorption heat exchanger (14, 15) and the compressor (12) are accommodated, and air in contact with the adsorbent of the adsorption heat exchanger (14, 15) circulates. Humidity control chamber (65,66) is formed,
The holding member (50) is formed to face the humidity control chamber (65, 66), and is configured to hold the adsorption heat exchanger (14, 15) and the compressor (12). A humidity control apparatus characterized by comprising: In any one of Claims 1 thru | or 4,
On the upper surface of the casing (20), an outdoor suction port (31) for sucking outdoor air and sending it to the adsorption member (14, 15, 80), and an adsorption member (14, 15, 80), an indoor air inlet (32) for sending to the outdoor air outlet, an outdoor air outlet (33) for discharging the air flowing out of the adsorbing member (14, 15, 80) to the outside, and the adsorbing member (14, 15 , 80) is formed with an indoor air supply port (34) for supplying air into the room,
The humidity control apparatus, wherein the holding member (50) is configured to be drawable from the front side of the casing (20).

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