JP4038909B2 - Ventilation air conditioner - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ventilation air conditioner having a ventilation function, and more particularly to a wall-mounted ventilation air conditioner.
[0002]
[Prior art]
FIGS. 11 and 12 are a front view and a cross-sectional view showing a conventional wall-mounted bathroom heating / drying apparatus 60. The bathroom heating / drying device 60 has a ventilation function. The ventilation operation activates the ventilation fan 62, sucks air (humidity) in the bathroom into the main body case 61, and is provided on the back surface of the main body case 61. This is done by discharging to the outside through the discharge port 65. An air intake hole 66 for sucking air in the bathroom into the main body case 61 is provided in front of the main body case 61 of the bathroom heating / drying device 60 installed on the bathroom wall 67 so as to face the ventilation fan 62. ing. And the ventilation fan 62 is attached to the upper part of the main body case 61 in a horizontally long posture so as to suck air from the lower surface. The ventilation fan 62 drives a sirocco fan (not shown) by a motor 63, takes air in the bathroom into the main body case 61 from the intake hole 66, and sucks it from the suction port 64 on the lower surface of the ventilation fan 62. The interior of the bathroom is ventilated through the exhaust port 65 on the back surface and discharged outside through an exhaust pipe 69 attached to a through hole 68 provided in the bathroom wall 67. An outdoor hood 70 is provided around the opening of the through hole 68 on the outdoor side of the bathroom wall 67 in order to prevent raindrops from entering. Moreover, the code | symbol 72 of FIG. 11 is a warm air blower outlet for heating the air attracted | sucked in the main body case 61 from the air suction inlet 71 with the heat exchanger for heating (not shown), and ventilating indoors.
[0003]
[Problems to be solved by the invention]
In a bathroom, a bathroom heating / drying device is often installed so as to face a bathtub or a washing place in the vicinity thereof. In the conventional bathroom heating / drying device, an air intake hole that sucks the air in the bathroom into the main body case during ventilation operation is provided in the front of the main body case. The operation sound of the ventilation blower, such as the rotating sound of the motor that rotates and the wind noise of the sirocco fan, is transmitted directly to the bather in the bathroom from the air intake hole provided on the front of the main unit case, and feels noisy for the bather. It was harsh.
[0004]
The present invention has been made to solve the above technical problems, and an object of the present invention is to provide a ventilation air conditioner that suppresses noise during ventilation operation to a low level.
[0005]
DISCLOSURE OF THE INVENTION
The ventilation air conditioner according to claim 1 is a ventilation air conditioner in which a ventilation fan and a heat exchanger for heating are housed in a case, the ventilation fan is disposed in the vicinity of a side surface in the case, and the ventilation fan an intake hole for sucking air yo Ri in the bathroom in the case, provided on one or both sides of the case, between the said inlet hole provided on the far side of the side surface from the ventilation fan and the ventilation fan In addition, a communication passage formed by an internal partition in the case is provided, and air in the bathroom sucked from an intake hole provided on a side surface far from the ventilation fan is supplied to the suction port of the ventilation fan through the communication passage. It is characterized by guiding .
[0006]
According to the ventilation air conditioner of the first aspect, the ventilation air intake holes are provided on one or both sides of the case of the ventilation air conditioner, and noise during ventilation operation is mainly provided on the side of the case. Leaked into the bathroom through the intake hole. Therefore, the noise generated by the motor sound of the ventilation fan and the wind noise of the fan is difficult to reach the bather in front of the ventilation air conditioner, and the bather can comfortably bathe without being bothered by the noise during the ventilation operation. can do. Furthermore, according to the ventilation air conditioner of claim 1, since the communication path formed by the internal partition in the case is provided between the intake hole provided on the side surface far from the ventilation fan and the ventilation fan, The noise of the ventilation fan that leaks from the intake hole on the side far from the ventilation fan is suppressed by the silencing effect due to the relatively long communication path, and the effect of suppressing the noise of the ventilation fan becomes higher.
[0007]
According to an embodiment of the present invention, in the ventilation air conditioner according to the first aspect, the intake hole is provided on a side surface of the case, and is obliquely upward or obliquely from the inner surface of the case toward the outer surface. It is formed backward.
[0008]
In this embodiment, since the suction holes are provided diagonally upward or diagonally rearward from the inner surface to the outer surface on the side of the case, the noise of the ventilation fan leaks diagonally upward or diagonally rearward from the intake holes, It becomes harder to reach the ear.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
(First embodiment)
(Construction)
FIG. 1 is a front view showing a bathroom heating / drying apparatus 1 according to an embodiment of the present invention, FIG. 2 is an internal structural view thereof, and FIG. 3 is a rear view thereof. First, the structure of the bathroom heating / drying apparatus 1 will be described mainly with reference to FIG. In this bathroom heating / drying apparatus 1, the air is heated by exchanging heat with a heat medium such as hot water circulating in the pipe (coil) 3 from the central part to the right side toward the inside of the main body case 2. The heat exchanger 4 is arranged. A hot air blowing fan 5 is housed in the upper part of the space behind the heat exchanger 4 inside the main body case 2. The hot air blowing fan 5 sucks air heated by the heat exchanger 4 from below by rotating a flow-through (cross flow) fan 7 by a motor 6, for example, and blows it out into the bathroom as hot air from above. Is. Further, a front cover 8 is detachably attached to the front surface of the main body case 2, and the main body case 2 and the front cover 8 constitute a case of the bathroom heating / drying apparatus 1. As shown in FIG. 1, a hot air outlet 9 is opened at the upper part of the front cover 8 so as to correspond to the hot air outlet position by the hot air outlet fan 5. A louver blade 10 for adjusting the wind direction is provided, and a plurality of louver blades 11 for adjusting the left and right wind directions are provided in the warm air outlet 9. Further, an air suction port 12 is provided in a portion of the front cover 8 facing the heat exchanger 4, and a dust-proof filter 13 can be detachably inserted into the back surface of the air suction port 12 from below. It has become.
[0010]
On the left side of the main body case 2, the ventilation fan 14 is attached in a vertically long posture with the suction port 16 facing leftward. The ventilation blower 14 rotates a sirocco fan (not shown) with a thin motor 15, for example. As shown in FIG. 4, a plurality of air intake holes 35 are provided on the left side surface of the main body case 2, and air in the bathroom is sucked into the main body case 2 from the air intake holes 35 during the ventilation operation, and is outdoors. Discharge. As shown in the cross section of FIG. 5, the ventilation hole 35 is opened obliquely upward from the inner surface of the main body case 2 toward the outer surface so that the noise of the ventilation fan 14 leaks obliquely upward. In FIG. 2, the ventilation fan 14 is installed with the suction port 16 facing the intake hole 35 toward the left. However, the ventilation fan 14 may be installed with the suction port 16 facing downward. Good.
[0011]
Further, as shown in FIG. 3, a shutter 18 for preventing a reverse wind is suspended in the discharge port 17, and the upper edge is pivotally supported. The shutter 18 is closed by its own weight and opened to the outdoor side by the wind force of the ventilation fan 14. As shown in FIG. 2, the ventilation fan 14 is fixed by fixing a mounting plate 19 provided on the back surface to the back surface of the main body case 2 with screws 20.
[0012]
An opening 21 is opened at the left end of the main body case 2. The opening 21 has an opening diameter (for example, a diameter of 100 mm) sufficiently larger than the outer diameter of the discharge port 17 of the ventilation fan 14, and the ventilation fan 14 connects the discharge port 17 from the opening 21 to the rear side. It is attached to the main body case 2 so as to protrude to the side. The opening 21 is closed at the left side by the ventilation fan 14 and is opened on the right side of the mounting plate 19 without being blocked by the ventilation fan 14, and is used when the piping and the electrical wiring are led out outdoors.
[0013]
Both ends of the pipe 3 disposed in the heat exchanger 4 are led to the vicinity of the opening 21 as shown in FIG. One end of the pipe 3 is connected to one end of the pipe 3 by connecting means such as a cap nut, and the other end of the pipe 3 is connected to the joint pipe 22 via a thermal valve 23. The other end of 22 is led to the opening 21 below the mounting plate 19, connected to a connecting pipe (not shown), and led out outdoors.
[0014]
In addition, a light receiving unit 24 that receives an infrared signal from a remote controller (not shown) is provided in front of the ventilation fan 14 in the main body case 2 (this light receiving unit 24 displays during operation and reception confirmation). The light receiving unit 24 is exposed from the window 25 of the front cover 8. A controller 26 is provided on the upper right side of the main body case 2.
[0015]
As shown in FIG. 3, a metal support plate 27 is detachably attached to the back surface of the main body case 2. That is, the claw portion 28 protruding from the upper edge of the support plate 27 is inserted into the insertion port 29 provided on the back surface of the main body case 2 from below, and the protrusion 31 protruding to the ceiling surface of the concave portion 30 of the main body case 2 is inserted into the support plate. The main body case 2 is attached to the support plate 27 by being inserted from above into a through hole 32 opened in a horizontally bent portion of 27. Reference numeral 33 denotes a through hole for screwing the support plate 27 to the wall.
[0016]
(Use state)
As shown in FIG. 6, the bathroom heating / drying device 1 is a wall-hanging type attached to the bathroom wall 51. For example, in the vicinity of the ceiling 54 above the bathtub 53, the bathroom heating / drying apparatus 1 is attached to the bathroom wall (outer wall) 51 by the support plate 27. It is attached. Thus, a high-temperature heat medium is circulated from the heat source device (not shown) to the pipe 3 of the heat exchanger 4, and the hot-air blowing fan 5 is operated so that the relatively low-temperature hot air is supplied to the bathroom heating / drying device 1. By discharging from the hot air outlet 9, the bathroom can be heated. Moreover, if high temperature warm air is discharged from the warm air blower outlet 9 of the bathroom heating / drying apparatus 1 in a state where the clothes 52 are suspended in the bathroom, the clothes 52 can be dried, and the bathroom becomes a clothes drying room. It can be diverted. Furthermore, by operating the ventilation blower 14, it is possible to ventilate the bathroom by exhausting the air containing moisture in the bathroom to the outside.
[0017]
Next, the operation during the ventilation operation will be described. When the built-in sirocco fan is rotated by the motor 15 located on the right side surface of the ventilation fan 14, the air in the bathroom sucked from the intake hole 35 provided on the left side surface of the main body case 2 is left side of the ventilation fan 14. The air is sucked from the suction port 16 located at the rear, and discharged to the outside through the discharge port 17 on the back. In the bathroom heating / drying apparatus 1, noise during ventilation operation leaks from the left side surface of the main body case 2 by providing the ventilation hole 35 on the left side surface of the main body case 2. If it does in this way, the noise at the time of ventilation operation will not leak from the front of main part case 2 like a conventional example, and it will become difficult to reach a bather's ear. Further, as shown in FIG. 5, since the ventilation holes 35 are opened obliquely upward from the inner surface to the outer surface of the main body case 2, noise during ventilation operation is released toward the ceiling, More difficult to reach for bathers on the floor.
[0018]
(Second Embodiment)
FIG. 7 is an internal structural view showing a bathroom heating / drying device 36 according to another embodiment of the present invention. FIG. 8 is a cross-sectional view of the bathroom heating / drying device 36 taken along the line AA. In this bathroom heating / drying device 36, an air intake hole 35 is provided on the right side surface of the main body case 2, and the lower portion of the space behind the heat exchanger 4 in the main body case 2, as shown in FIG. Below the outlet fan 5, left and right communication paths 39 are provided by internal partition walls 37 and 38. Then, the air in the bathroom sucked from the air inlet 35 opened on the right side surface of the main body case 2 is sucked into the ventilation fan 14 located in the left direction through the communication passage 39 formed behind the heat exchanger 4. It leads to the opening | mouth 16, and it discharges | emits outdoors with the ventilation fan 14. In the bathroom heating / drying device 36, the air inlet 16 is attached so as to face the end opening of the communication passage 39 in order to efficiently suck air introduced from the communication passage 39 through the suction port 16. During the ventilation operation, the bathroom heating / drying device 36 is also provided with an intake hole 35 on the right side surface of the main body case 2, so that the noise of the ventilation blower 14 leaks from the right side surface of the main body case 2, so It becomes difficult to reach. In addition, since the distance between the ventilation fan 14 and the intake hole 35 is increased, a silencing effect by the communication passage 39 is also obtained.
[0019]
Further, as shown in FIG. 9, the air intake holes 35 are provided on both the left and right side surfaces of the main body case 2 and the ventilation fan 14 is attached so that the suction port 16 faces downward. Intake may be performed through the hole 35. In the bathroom heating / drying device 40, as in the bathroom heating / drying device 36, an internal partition wall is used to guide the air in the bathroom from the intake port 35 provided on the right side surface of the main body case 2 to the suction port 16 of the ventilation fan 14. A communication path 39 is provided by 37 and 38. Even in the bathroom heating / drying apparatus 40, the air intake holes 35 are provided on the left and right side surfaces of the main body case 2, so that the noise of the ventilation fan 14 leaks from both side surfaces of the main body case 2 and is difficult to reach the bather's ears. Become. Moreover, for convenience of construction, when one of the side surfaces of the main body case 2 is blocked by the bathroom wall 41, the air in the bathroom can be sucked from the other intake hole 35.
[0020]
In each of the above-described embodiments, the intake hole 35 is formed obliquely upward from the inner surface side toward the outer surface side on the side surface of the main body case 2, but is inclined obliquely from the inner surface side toward the outer surface side on the side surface of the main body case 2. You may open back.
[0021]
(Third embodiment)
FIG. 10 is a schematic view showing the internal structure of a bathroom heating / drying device 41 according to still another embodiment of the present invention. In the bathroom heating / drying device 41, an air intake hole 35 is provided on the upper side of the main body case 2, and the ventilation fan 14 is attached with the air inlet 16 facing upward so as to face the air intake hole 35. In the bathroom heating / drying apparatus 41, the air intake hole 35 is provided on the upper surface of the main body case 2 during the ventilation operation. Therefore, the noise of the ventilation fan 14 leaks from the upper surface of the main body case 2 and is difficult to reach the bather's ear. .
[Brief description of the drawings]
FIG. 1 is a front view of a bathroom heating / drying apparatus according to an embodiment of the present invention.
FIG. 2 is a front view showing an internal structure of the bathroom heating / drying apparatus.
FIG. 3 is a rear view of the same bathroom heating / drying apparatus.
FIG. 4 is a side view of the above-described bathroom heating / drying apparatus.
FIG. 5 is a cross-sectional view showing an intake hole provided in a main body case of the bathroom heating / drying apparatus.
FIG. 6 is a schematic view showing a construction state of the bathroom heating / drying apparatus according to the above in a bathroom.
FIG. 7 is a front view showing an internal structure of a bathroom heating / drying apparatus according to another embodiment of the present invention.
8 is a cross-sectional view taken along line AA in FIG.
FIG. 9 is a front view showing an internal structure of a bathroom heating / drying apparatus according to still another embodiment of the present invention.
FIG. 10 is a front view showing an internal structure of a bathroom heating / drying apparatus according to still another embodiment of the present invention.
FIG. 11 is a front view of a conventional bathroom heating / drying apparatus.
FIG. 12 is a cross-sectional view showing the internal structure of the above-described bathroom heating / drying apparatus.
[Explanation of symbols]
2 Body Case 4 Heat Exchanger 14 Ventilation Blower 16 Suction Port 35 Intake Hole 39 Communication Path

Claims (2)

In a ventilation air conditioner with a ventilation fan and heating heat exchanger in a case,
The ventilation fan is disposed near the side surface in the case,
An intake hole for sucking the air in the bathroom Ri by the ventilating fan in the case, provided on one or both sides of the case,
Between the intake hole provided on the side surface far from the ventilation fan and the ventilation fan, a communication path formed by an internal partition in the case is provided, and provided on the side surface far from the ventilation fan. A ventilation air conditioner that guides air in a bathroom sucked from an intake hole to the suction port of the ventilation blower through the communication passage .   The ventilation air conditioner according to claim 1, wherein the intake hole is provided on a side surface of the case, and is formed obliquely upward or obliquely rearward from the inner surface to the outer surface of the case.

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