JP5907410B2 - Bathroom air conditioner - Google Patents

Description

  The present invention relates to a bathroom air conditioner that performs air conditioning of a bathroom.

  As such a bathroom air conditioner, an apparatus that heats or dries the bathroom is known by sucking air from the bathroom and blowing it out through the heater. When drying in the bathroom, it is possible not only to dry the wall surface of the bathroom, but also to dry the clothes at the same time if the clothes after washing are suspended in the bathroom.

  For example, Patent Literature 1 below describes a bathroom air conditioner configured to heat air in a bathroom sucked by a sirocco fan with a heater and then blow out downward from an air outlet provided on the ceiling of the bathroom. According to such a bathroom air conditioner, since the air directly hits the clothes suspended below the air outlet, the clothes can be dried in a short time.

  In view of such an application, it is desirable that the shape of the air outlet is formed long along a predetermined direction, for example, a rectangle. If clothes are arranged and hung along the longitudinal direction of the air outlet and air can be blown out uniformly from the entire air outlet, air can be directly applied to more clothes and dried in a short time. .

JP 2007-205641 A

  However, it is difficult to blow out air substantially uniformly from the entire outlet by simply forming the outlet in a long shape. For example, while a lot of air is blown out from a portion near the blower in the blowout port, almost no air is blown out from other portions of the blowout port. In this case, when clothes are suspended along the longitudinal direction of the air outlet, only some of the clothes that are directly exposed to air dry in a short time, while other clothes slowly dry as the temperature in the bathroom rises. . As a result, it takes a long operation time to dry all the clothes, and the electricity cost increases.

  On the other hand, in order to blow out air substantially uniformly from the entire long outlet, it is conceivable to include a large fan or a plurality of fans. However, neither is preferable from the viewpoint of reducing power consumption or preventing noise.

  This invention is made | formed in view of such a subject, The objective is substantially uniform from the whole blower outlet formed long along the predetermined direction, without providing a large sized blower and several air blowers. Another object is to provide a bathroom air conditioner that can blow out air.

In order to solve the above problems, a bathroom air conditioner according to the present invention is a bathroom air conditioner that performs air conditioning of a bathroom, and the length along the first direction is a length along the first direction for sucking air in the bathroom. Is formed so as to be longer than the length along the second vertical direction, and is a flow passage that blows air sucked from the suction port into the bathroom, and a flow path that connects the suction port and the blow port. One of the internal flow paths and the internal flow path is disposed at a position separated from the air outlet in the second direction, and one of the air outlets in the first direction is sucked from the air inlet. The blower that is a sirocco fan that is directed toward the first end that is the end of the air, and the air that has reached the first end from the blower is then at the other end in the first direction of the outlet. Towards the second end The way, the wind direction regulating means for regulating the flow of air from the blower until reaching the first end, and the scroll wall that guides toward the air discharged from the blower to the wind direction regulating means, the Prepare. One end of the scroll wall extends to the first end side with respect to the rotation shaft of the blower, the other end is connected to the wind direction restricting means, and the outlet is on a plane intersecting the rotation shaft. The wind direction regulating means has a curved shape so that the air flowing in from the blower flows while gradually changing the flow direction to the first end portion.

  In the present invention, the air outlet is formed so that the length along the first direction is longer than the length along the second direction perpendicular to the first direction. Moreover, an air blower is provided in an internal flow path that is a flow path that connects the suction port and the blower outlet. A blower makes the air suck | inhaled from the suction inlet go to the 1st one end part which is one edge part in a 1st direction among blower outlets. For this reason, the air suck | inhaled from the suction inlet by the drive of the air blower flows toward the 1st end part of a blower outlet through an internal flow path.

  In the present invention, further, the air that has reached the first end of the blower outlet from the blower then flows along the direction toward the second end, which is the other end of the blower outlet, from the blower to the first end. Wind direction regulating means for regulating the flow of air until it reaches the section. That is, the air flow on the upstream side of the first end is regulated by the wind direction regulating means so that the air flows along the direction from the first end to the second end on the downstream side of the first end. Has been.

  By setting it as such a structure, the air which arrived at the blower outlet from the air blower is flowing toward the second end part from the 1st end part of a blower outlet, ie, flowing along a 1st direction, a blower outlet Is blown out toward the bathroom. As a result, not only the vicinity of the first end where the air from the blower first arrives but also the vicinity of the second end that is the farthest from the blower along the circulation flow path, Air can be blown out from the whole.

  Moreover, in this invention, the air blower is arrange | positioned in the position away from the blower outlet in the 2nd direction among internal flow paths. By arranging the blower at such a position, it is possible to lengthen the flow path from the blower to the first end of the outlet while keeping the size of the entire bathroom air conditioner compact. By making such a flow path long, the distribution of the flow velocity of the air reaching the first end becomes uniform, so that a part of the air having a high flow velocity is concentrated from the vicinity of the first end of the outlet. It is prevented from blowing out.

  As described above, according to the present invention, the entire air outlet formed long along a predetermined direction while keeping the size of the entire bathroom air conditioner compact without including a large fan or a plurality of fans. It becomes possible to blow out substantially uniform air.

  Further, in the bathroom air conditioner according to the present invention, the flow path branches from the internal flow path between the blower and the first end, and discharges at least a part of the air sucked from the suction port to the outside of the bathroom. It is also preferable to include a discharge flow path that is the above and a damper that adjusts the flow rate of air flowing from the suction port to the discharge flow path.

  In this preferable aspect, the exhaust passage is a passage that discharges at least part of the air sucked from the suction port to the outside of the bathroom, and a damper that adjusts the flow rate of the air flowing from the suction port to the discharge passage. Yes. By setting it as such a structure, it becomes possible to discharge | emit at least one part of the air in a bathroom outside, without enlarging a bathroom air conditioner.

  Further, in the bathroom air conditioner according to the present invention, the airflow direction regulating means is on the outer peripheral side of the internal flow path curved toward the first end portion, of the wall surface defining the internal flow path or the wall surface of the damper. A portion formed in an arc shape is also preferable.

  In this preferable aspect, a portion formed in an arc shape on the outer peripheral side of the internal flow path curved toward the first end portion of the wall surface defining the internal flow channel or the wall surface of the damper functions as a wind direction regulating means. To do. That is, most of the air heading from the blower to the outlet will flow along the outer peripheral wall surface of the curved internal flow path or the wall surface of the damper, but the portion is formed in an arc shape, The air reaches the first end of the outlet while the flow direction is smoothly changed, and then flows toward the second end. For this reason, it is possible to configure the wind direction restricting means by a simple mode in which the wall surface defining the internal flow path or a part of the wall surface of the damper has an arc shape, and substantially uniform air can be blown out from the entire outlet. It becomes.

  In the bathroom air conditioner according to the present invention, the damper rotates with respect to a rotation axis parallel to the central axis of the wall surface formed in the circular arc shape, and flows into the discharge flow path depending on the rotation angle. It is also preferable to adjust the air flow rate.

  In this preferred embodiment, the wall surface defining the internal flow path has a portion formed in an arc shape on the outer peripheral side of the curved internal flow path. The damper rotates with respect to a rotation axis parallel to the central axis of the wall surface formed in the arc shape, and adjusts the flow rate of the air flowing through the discharge flow path according to the rotation angle.

  By setting it as such a structure, at least one part of the air suck | inhaled from the suction inlet can be smoothly made to go to a discharge flow path, adjusting the flow of the air which goes to a discharge flow path with the rotation angle of a damper.

  Moreover, in the bathroom air conditioner according to the present invention, it is also preferable that the damper is biased in one of the rotation directions by having a wind receiving portion that receives wind pressure from the air flowing through the internal flow path. .

  Of the air sucked from the suction port, the flow rate of the air flowing into the discharge channel is determined by the rotation angle of the damper. For this reason, in order to set the flow rate of the air flowing through the discharge channel to a predetermined target flow rate, it is necessary to control the rotation angle of the damper to be a predetermined angle. However, for example, when a damper is fixed to the drive shaft of a stepping motor and its rotation angle is controlled, a slight backlash occurs between the drive shaft and the damper, and the air flowing in the discharge flow path due to such backlash is generated. May flow out of the target flow rate.

  In order to suppress such a shift, it is conceivable to provide a detector for detecting the rotation angle of the damper and to control the rotation angle of the damper while feeding back the detected rotation angle. However, this is not preferable because a cost and a space for providing the detector are required.

  In this preferred embodiment, the damper has a wind receiving portion that receives wind pressure from the air flowing through the internal flow path. Due to the wind pressure received from the wind receiving portion, the damper is urged toward one of the rotation directions. As a result, even if there is rattling between the drive shaft that drives the damper and the damper, the damper is biased in one direction of rotation, so the rotation angle of the drive shaft and the rotation angle of the damper Is determined on a one-to-one basis. Therefore, it is possible to accurately control the rotation angle of the damper and accurately control the flow rate of the air flowing through the discharge passage.

  According to the present invention, there is provided a bathroom air conditioner capable of blowing air substantially uniformly from the entire outlet formed long along a predetermined direction without providing a large fan or a plurality of fans. Can do.

It is a figure which shows typically the state which attached the bathroom air conditioner which is embodiment of this invention to the bathroom. It is an external view which shows the state which looked at the bathroom air conditioner which is embodiment of this invention from the downward direction. It is sectional drawing which shows the AA cross section in FIG. It is sectional drawing which shows the BB cross section in FIG. It is sectional drawing which shows CC cross section in FIG. It is sectional drawing which shows the state which the bathroom air conditioner shown in FIG. 2 became dry mode. It is sectional drawing which shows the state which the bathroom air conditioner shown in FIG. 2 became ventilation mode.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In order to facilitate the understanding of the description, the same constituent elements in the drawings will be denoted by the same reference numerals as much as possible, and redundant description will be omitted.

  A bathroom air conditioner according to an embodiment of the present invention includes a heating mode that sucks air in the bathroom and blows it out toward the bathroom via a heater, a ventilation mode that sucks air in the bathroom and discharges it outside the bathroom, and air in the bathroom In addition to a drying mode in which some of the air is blown out toward the bathroom via a heater and the remaining air is discharged outside the bathroom, ventilation in the bathroom, which is the second room other than the bathroom, is also provided. It is something that can be done.

  The arrangement of the bathroom air conditioner will be described with reference to FIG. As shown in FIG. 1, the bathroom air conditioner DM is attached to the ceiling BRc of the bathroom BR. The bathroom air conditioner DM can suck air in the bathroom BR and blow out air in the direction of the bathroom BR via a heater (not shown in FIG. 1). The bathroom air conditioner DM can also suck in the air in the bathroom BR and discharge at least a part thereof outside the bathroom through the duct D1. The bathroom air conditioner DM can also suck air in the bathroom SR through the duct SR2 connected to the suction port SR1 provided on the ceiling of the bathroom SR, and discharge the air outside the bathroom through the duct D1.

  As described above, the drying mode is an operation mode in which the air in the bathroom BR is sucked and a part of the air is blown out in the direction of the bathroom BR via the heater, and the remaining air is discharged outside the bathroom BR. In this drying mode, the bathroom air conditioner DM blows out the air passing through the heater in the direction of the bathroom BR, so that the temperature in the bathroom BR rises. A part of the air sucked from the bathroom BR is discharged out of the bathroom BR together with the water vapor in the bathroom BR. As a result, the humidity in the bathroom BR is efficiently reduced, and if the operation is performed in the dry mode with the clothes after washing suspended below the bathroom air conditioner DM, the clothes along with the walls of the bathroom BR are shortened. Can be dried in time.

  FIG. 2 is an external view showing the bathroom air conditioner DM as viewed from below. In the figure, a state in which the front panel SP is removed is shown for explanation. As shown in FIG. 2, the bathroom air conditioner DM inserts and fixes the functional part FB containing the fan 30 or the like into a rectangular opening formed in the ceiling BRc of the bathroom BR, and then the front panel SP It is installed in the bathroom BR with the functional part FB covered. The front panel SP is a rectangular plate-shaped member having a main surface arranged in parallel with the wall surface (ceiling BRc) of the bathroom BR. The normal direction of the main surface is the bathroom BR side. It is arranged toward The front panel SP includes a suction port 10 and an air outlet 20.

  The air inlet 10 is a part for the bathroom air conditioner DM to suck in the air in the bathroom BR, and is a part formed as two openings 10a and 10b on the main surface of the front panel SP. Each of these two openings 10a and 10b is formed in an elongated rectangular shape along the long side direction of the front panel SP.

  The air outlet 20 is a part for the bathroom air conditioner DM to blow air into the bathroom, and is a part formed as an opening 20a on the main surface of the front panel SP. The opening 20a is formed in an elongated rectangular shape along the long side direction of the front panel SP at a position separated from the openings 10a and 10b. The shape of the opening 20a is substantially the same as the outer shape of the air conditioning plate 21 fixed on the function part FB side. When the function part FB is covered with the front panel SP, the air conditioning plate 21 is fitted in the opening 20a. It becomes. That is, when air is blown into the bathroom BR from the bathroom air conditioner DM, the air is blown into the bathroom BR after passing through the air conditioning plate 21 and the air outlet 20 at the same time.

  Then, the internal structure of bathroom air conditioner DM is demonstrated, referring FIG.3 and FIG.4. FIG. 3 is a cross-sectional view showing an AA cross section with the front panel SP attached in the bathroom drying apparatus DM of FIG. FIG. 4 is a cross-sectional view showing a BB cross section in FIG. 3. As shown in FIGS. 3 and 4, the functional unit FB of the bathroom air conditioner DM has a flange FBf formed at the lower end thereof, and the flange FBf and the ceiling BRc are fixed with bolts (not shown). The front panel SP is installed so as to cover the entire flange FBf, and is fixed to the inside of the functional unit FB with a bolt (not shown).

  An internal flow path 50 that connects the suction port 10 and the air outlet 20 is formed inside the functional unit FB, that is, above the front panel SP. The internal flow path 50 is a flow path for the air sucked from the suction port 10 to flow to the blower outlet 20. The internal flow path 50 includes an upstream flow path 50 a that is upstream from the fan 30 and a downstream flow path 50 b that is downstream from the fan 30.

  The fan 30 is a blower disposed in the internal flow path 50 and generates an air flow in the internal flow path 50. A fan motor 30 a that rotationally drives the fan 30 is provided above the fan 30. The fan 30 is a so-called sirocco fan in which a plurality of blades are arranged in a circle. When the fan motor 30a rotates, the fan 30 is rotationally driven, sucks air from below the fan 30, and discharges air from the side surface of the fan 30 in the horizontal direction. The air discharged from the side surface of the fan 30 is guided by the scroll wall 35 disposed around the fan 30 and flows to the downstream flow path 50b.

  A discharge flow path 70 that is a flow path branched from the downstream flow path 50b is connected to the downstream flow path 50b downstream of the fan 30 and upstream of the blower outlet 20. The discharge flow path 70 is a flow path connected to the duct D1, and communicates with the outside of the bathroom (for example, outdoors).

  A damper 80 is disposed at the boundary between the downstream channel 50 b and the discharge channel 70. The damper 80 is for adjusting the opening degree of the flow path through which air flows from the downstream flow path 50 b to the discharge flow path 70. When the damper 80 rotates about the rotation shaft 81, the opening degree of the flow path through which air flows to the discharge flow path 70 is adjusted. In FIG. 4, the flow path through which air flows to the discharge flow path 70 is closed. For this reason, all the air which the bathroom air conditioner DM inhaled passes through the blower outlet 20 via the heater HT, and blows off to bathroom BR. That is, FIG. 4 shows the state of the bathroom air conditioner DM in the heating mode. The relationship between the rotation angle of the damper 80 and other operation modes (dry mode, ventilation mode) will be described later.

  The heater HT is an electric heater disposed immediately above the air conditioning plate 21 and heats the air blown out from the air outlet 20. The heater HT does not always heat the air, and heating ON / OFF is appropriately controlled according to the operation mode of the bathroom air conditioner DM.

  Next, the flow of air in the downstream channel 50b will be described with reference to FIG. FIG. 4 is a cross-sectional view showing a BB cross section in FIG. 3, but the shape of the air outlet 20 formed in the front panel SP is indicated by a dotted line for the sake of explanation.

  As shown in FIG. 4, the downstream flow path 50 b is configured such that the air flowing into the downstream flow path 50 b from the fan 30 gradually changes its flow direction to the left direction (the direction toward the end 25 of the air outlet 20). However, it has a curved shape so that it flows. Outer wall surfaces 61, 62, and 63 among the wall surfaces that define the downstream flow path 50 b are formed so as to have a circular arc shape as a whole when viewed from the air blowing direction from the air outlet 20. . In the present embodiment, the air blowing direction from the outlet 20 is the direction perpendicular to the wall surface (ceiling BRc) of the bathroom BR to which the bathroom air conditioner DM is attached, and the method of the main surface of the front panel SP. Match the line direction.

  With such a configuration, most of the air that flows into the downstream flow path 50b from the fan 30 flows along the wall surfaces 61, 62, and 63 formed in an arc shape, and the longitudinal direction of the air outlet 20 (the first direction) It flows toward one end 25 in one direction. Further, the direction of the flow path along the arc shape formed by the wall surfaces 61, 62, 63 substantially coincides with the longitudinal direction (first direction) of the air outlet 20 in the vicinity of the end 25 of the air outlet 20. Yes. Therefore, the air that has reached the end portion 25 through the downstream flow path 50b then flows toward the other end portion 26 in the longitudinal direction (first direction) of the air outlet 20.

  Thus, in the present embodiment, the wall surfaces 61, 62, 63 formed in a circular arc shape as a whole function as the wind direction regulating means. The air flowing from the fan 30 into the downstream flow path 50 b smoothly changes its flow direction by being guided by the wall surfaces 61, 62, 63 and flows toward the end 25 of the outlet 20. Further, the air that has reached the end 25 is guided by the wall surfaces 61, 62, and 63 so as to flow from the end 25 toward the end 26.

  As a result, the air that has reached the air outlet 20 from the fan 30 flows from the air outlet 20 toward the end 26 (second end) from the air outlet 20 to the bathroom BR. It is blown out toward. As a result, the air reaches not only in the vicinity of the end 25 where the air from the fan 30 reaches first, but also in the vicinity of the end 26 which is the farthest from the fan 30 along the downstream flow path 50b. Air can be blown out from the entire outlet 20.

  Next, the positional relationship between the air outlet 20 and the fan 30 will be described. As shown in FIG. 4, the fan 30 is disposed at a position separated from the air outlet 20 in a direction (second direction) perpendicular to the longitudinal direction (first direction) of the air outlet 20. By disposing the fan 30 at such a position and curving the downstream-side flow path 50b as described above, the size of the entire bathroom air conditioner DM is kept compact, and the end of the outlet 20 from the fan 30 is maintained. The flow path to the part 25 is long.

  The fan 30 blows out air from the side surface to the outside. For this reason, immediately after reaching the downstream channel 50b after being guided by the scroll wall 35, the unevenness of the velocity distribution on the surface perpendicular to the channel direction of the downstream channel 50b is large. That is, the flow velocity of the flow along the scroll wall 35 is significantly larger than the flow velocity of the flow in other portions.

  For this reason, when the flow path from the fan 30 to the end part 25 of the blower outlet 20 is short, air reaches the blower outlet 20 with a large unevenness of the speed distribution. As a result, a part of the air having a high flow velocity is concentrated and blown out from the vicinity of the end 25 of the air outlet 20 without reaching the end 26 of the air outlet 20.

  In this embodiment, since the flow path from the fan 30 to the end portion 25 of the air outlet 20 is long, unevenness in the speed distribution is reduced until the end portion 25 is reached. Therefore, a phenomenon in which a part of the air having a high flow velocity is concentrated and blown out from the vicinity of the end portion 25 of the outlet 20 is suppressed, and substantially uniform air can be blown out from the entire outlet 20.

  Next, the configuration and operation of the damper 80 will be described with reference to FIGS. 5 and 6. FIG. 5 is a cross-sectional view showing a CC cross section in FIG. 2. As shown in FIG. 5, the stepping motor SM is disposed above the damper 80, and the damper 80 is fixed to the rotation shaft 81 of the stepping motor SM. For this reason, when the rotating shaft 81 rotates by the stepping motor SM, the damper 80 rotates around the rotating shaft 81. The rotation shaft 81 is arranged so that the axial direction thereof is parallel to the central axis of the wall surfaces 61, 62, 63 formed in an arc shape. In the present embodiment, the axial direction of the rotation shaft 81 is parallel to the rotation axis direction of the fan 30 and the vertical direction.

  FIG. 6 is a cross-sectional view of the bathroom air conditioner DM in the same cross section as FIG. 4, and shows a state in which the bathroom air conditioner DM is in a drying mode. In FIG. 6, the damper 80 rotates counterclockwise by a predetermined angle, and a discharge port 71 is formed through which air flows from the downstream flow path 50 b toward the discharge flow path 70. For this reason, a part of the air flowing from the fan 30 to the downstream flow path 50b flows into the discharge flow path 70 through the discharge port 71 and is discharged to the outside of the bathroom BR, and the remaining air is blown out. 20 is blown out into the bathroom BR.

  In the drying mode, the heater HT is ON. For this reason, the air of the heated state blows out from the blower outlet 20, and raises the temperature of bathroom BR. A part of the air sucked from the bathroom BR flows into the discharge channel 70 together with the water vapor in the bathroom BR, and is discharged to the outside of the bathroom BR. As a result, the humidity in the bathroom BR is efficiently reduced, and if the operation in the dry mode is performed with the clothes after washing suspended below the air outlet 20, the clothes along with the wall surface of the bathroom BR are also short-time. Can be dried.

  In the drying mode, the flow direction of air reaching the end 25 of the blower outlet 20 from the fan 30 is the same as the flow direction of air in the heating mode already described, and only the flow rate is different. Therefore, even in the drying mode, the air that has flowed into the downstream channel 50b from the fan 30 flows toward the end 25 of the outlet 20, and is then guided to flow from the end 25 toward the end 26. The As a result, air can be blown out from the entire outlet 20.

  The flow rate of the air discharged from the discharge flow path 70 to the outside of the bathroom BR in the dry mode is adjusted by changing the opening area of the discharge port 71. That is, it is adjusted by changing the rotation angle of the damper 80. For example, when the humidity in the bathroom BR is high, the rotation angle of the damper 80 can be adjusted so that the opening area of the discharge port 71 is increased, and an operation giving priority to the discharge of humidity can be performed. On the other hand, when the humidity in the bathroom BR is low, the rotation angle of the damper 80 is adjusted so that the opening area of the discharge port 71 is small, and an operation that prioritizes keeping the temperature in the bathroom BR high is performed. it can. Such control of the operation of the damper 80 is automatically performed based on the detection values of various sensors (such as a hygrometer) arranged in the bathroom air conditioner DM, and the user manually adjusts it by operating a remote controller. It is good also as an aspect.

  The rotation angle of the damper 80 is controlled by the stepping motor SM so as to be a predetermined angle corresponding to the flow rate of air to be discharged from the discharge flow path 70. That is, the stepping motor SM rotates the rotating shaft 81 and the damper 80 fixed to the rotating shaft 81 based on an opening degree instruction signal from a control unit (not shown), and the flow rate of air discharged from the discharge passage 70 is reduced. Match the target flow rate.

  However, even if the stepping motor SM rotates the rotating shaft 81 accurately (as per the opening instruction signal), the amount of rotation of the damper 80 varies, and the flow rate of air discharged from the discharge flow path 70 becomes the target flow rate. It may not match. When the present inventors examined the cause, mechanical rattling occurs between the rotating shaft 81 and the damper 80, and the rotation angle of the rotating shaft 81 and the rotation angle of the damper 80 are determined one-to-one. It turned out to be the cause. In the bathroom air conditioner DM according to the present embodiment, as described below, the variation in the flow rate as described above is suppressed by devising the shape of the damper 80.

  The damper 80 has a wall surface 62 as a part of the downstream channel 50b. The wall surface 62, together with the wall surfaces 61 and 63, forms the outer peripheral side wall surface of the downstream-side flow path 50b having an arc shape.

  A downstream portion of the wall surface 62 along the flow path direction has a wind receiving portion 82 formed so as to rise to the internal flow path 50 side. For this reason, in the state where air is flowing along the wall surface 62, the wind receiving portion 82 receives wind pressure due to the air flow. As a result, in the drying mode, the damper 80 is always urged in the rotating direction (the direction rotating counterclockwise in FIG. 6).

  Even when the rotation shaft 81 and the damper 80 are rattling, the damper 80 is urged in one direction of rotation, so that the rotation angle of the rotation shaft 81 and the rotation angle of the damper 80 are Will be determined one-to-one. Therefore, the rotation angle of the damper 80 can be accurately controlled by the stepping motor SM, and the flow rate of the air flowing through the discharge passage 70 can be accurately controlled.

  Next, a ventilation mode of the bathroom air conditioner DM will be described with reference to FIG. FIG. 7 is a cross-sectional view of the bathroom air conditioner DM in the same cross section as FIG. 4, and shows a state where the bathroom air conditioner DM is in the ventilation mode. In FIG. 7, the damper 80 further rotates counterclockwise, and the discharge port 71 through which air flows from the downstream side flow path 50 b toward the discharge flow path 70 is fully open. On the other hand, the flow path from the fan 30 to the blower outlet 20 is closed by the damper 80.

  For this reason, all the air that has flowed from the fan 30 to the downstream flow path 50b flows into the discharge flow path 70 through the discharge port 71 and is discharged to the outside of the bathroom BR. In the ventilation mode, the heater HT is OFF and no air is blown out from the outlet 20. Thus, the bathroom air conditioner DM in the ventilation mode functions in the same manner as a normal ventilation fan.

  As is apparent from FIG. 7, in the ventilation mode, the air flow direction along the wall surface 62 is opposite to the drying mode. As a result, the wind pressure received by the wind receiving portion 82 becomes substantially zero, and the damper 80 is not biased toward the rotation direction. However, in the ventilation mode, the damper 80 is in contact with the stopper 90 and is urged against the stopper 90 by the stepping motor SM. For this reason, even in a state where the rotation shaft 81 and the damper 80 are rattling, the damper 80 is in a predetermined position (the discharge port 71 is fully opened and the flow path from the fan 30 to the blower outlet 20 is blocked. The position is not shifted from the position where it is in the state.

  The embodiments of the present invention have been described above with reference to specific examples. However, the present invention is not limited to these specific examples. In other words, those specific examples that have been appropriately modified by those skilled in the art are also included in the scope of the present invention as long as they have the characteristics of the present invention. For example, the elements included in each of the specific examples described above and their arrangement, materials, conditions, shapes, sizes, and the like are not limited to those illustrated, but can be changed as appropriate. Moreover, each element with which each embodiment mentioned above is provided can be combined as long as technically possible, and the combination of these is also included in the scope of the present invention as long as it includes the features of the present invention.

10: Suction port 10a, 10b: Opening 20: Air outlet 20a: Opening 21: Air conditioning plate 25, 26: End 30: Fan 30a: Fan motor 35: Scroll wall 50: Internal flow path 50a: Upstream flow path 50b: Downstream channel 61, 62, 63: Wall surface 70: Discharge channel 71: Discharge port 80: Damper 81: Rotating shaft 82: Wind receiving part 90: Stopper BR: Bathroom BRc: Ceiling D1: Duct DM: Bathroom air conditioner FB : Function part FBf: Flange HT: Heater SM: Stepping motor SP: Front panel SR: Washroom SR1: Suction port SR2: Duct

Claims (5)

In the bathroom air conditioner that air-conditions the bathroom,
A suction port for sucking air in the bathroom;
The length along the first direction is formed so as to be longer than the length along the second direction perpendicular to the first direction, and the blowout port that blows out the air sucked from the suction port into the bathroom,
An internal flow path that is a flow path for communicating the suction port and the blowout port;
Of the internal flow path, the air is disposed at a position separated from the air outlet in the second direction, and the air sucked from the air inlet is a first end of the air outlet in the first direction. A blower that is a sirocco fan that goes to one end,
The air that has reached the first end from the blower then flows from the blower toward the second end that is the other end in the first direction from the blower. Wind direction regulating means for regulating the flow of air until it reaches the section ,
A scroll wall for guiding the air discharged from the blower toward the wind direction regulating means,
One end of the scroll wall extends to the first end side of the rotating shaft of the blower, and the other end is connected to the wind direction regulating means,
The air outlet is provided along a plane that intersects the rotation axis,
The bathroom air conditioner has a curved shape so that the air flowing in from the blower flows while gradually changing the flow direction to the first end . A discharge flow path that is a flow path that branches from the internal flow path between the blower and the first end, and that discharges at least part of the air sucked from the suction port to the outside of the bathroom;
The bathroom air conditioner according to claim 1, further comprising a damper that adjusts a flow rate of air flowing from the suction port to the discharge passage.   The said wind direction control means is a part formed in circular arc shape in the outer peripheral side of the said internal flow path curved toward the said 1st end part among the wall surfaces which divide the said internal flow path, or the wall surface of the said damper. The bathroom air conditioner according to claim 2, wherein   The damper rotates with respect to a rotation axis parallel to the central axis of the wall surface formed in the arc shape, and adjusts the flow rate of the air flowing through the discharge flow path according to the rotation angle. The bathroom air conditioner according to claim 2 or 3, characterized by the above.   5. The damper according to claim 2, wherein the damper is biased in one of the rotation directions by having a wind receiving portion that receives wind pressure from the air flowing through the internal flow path. The bathroom air conditioner according to any one of the above.

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