JP2010255919A - Wall ventilation unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wall ventilation unit requiring less mounting labor. <P>SOLUTION: The wall ventilation 1 unit for passing air through a ventilation layer 3 formed in a rear side of an outer wall 2 of a building is composed by integrally equipping a solar panel 8, and an electric fan 9 rotatively driven by electric power generated by the solar panel 8. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a wall ventilation unit.

  2. Description of the Related Art Conventionally, a structure is known in which air is passed through a ventilation layer formed on the back side of an outer wall of a building using a fan driven by the power of a solar panel (solar cell) (for example, Patent Document 1).

JP-A-6-26118

  However, in the structure of Patent Document 1, the solar panel and the fan are separately attached, and thus there is a problem that it takes time and effort.

  Then, an object of this invention is to obtain the ventilation unit for walls which requires the effort of attachment more.

  According to the first aspect of the present invention, there is provided a wall ventilation unit that allows air to flow in a ventilation layer formed on the back side of an outer wall of a building, and is driven to rotate by a solar panel and electric power generated by the solar panel. And an electric fan.

  The invention according to claim 2 is characterized by being attached so as to face the opening on the base side of the ventilation layer.

  In the invention of claim 3, the solar panel is disposed in an inclined posture projecting in a direction away from the surface of the outer wall as it goes downward from above, and the electric fan is disposed on the back side of the solar panel. It is characterized by being.

  In the invention of claim 4, the electric fan includes an axial fan in which a rotation shaft is arranged sideways, an electric motor arranged on a side where the solar panel projects from the axial fan, It is characterized by having.

  In the invention of claim 5, the base member includes a base member fixed to a wall base material disposed on the indoor side through the ventilation layer with respect to the outer wall, the solar panel, and the electric fan. And a main body attached to the member.

  According to the first aspect of the present invention, since the solar panel and the electric fan are integrated, it is possible to reduce the time and effort of mounting compared to a configuration in which these are separated.

  According to the second aspect of the present invention, the mounting work of the wall ventilation unit can be performed at a low position, so that the labor for mounting can be reduced as compared with the case of performing the mounting work at a high position.

  According to the invention of claim 3, since the electric fan can be accommodated in the space on the back surface side of the solar panel generated by arranging the solar panel in a posture protruding from the surface of the outer wall, the wall ventilation unit is more compact. Can be configured.

  According to the invention of claim 4, by arranging the axial fan in a posture along the wall, it is easy to adopt a larger axial fan even in a wall ventilation unit with a relatively small amount of protrusion from the outer wall. It becomes easy to secure the air volume.

  According to the fifth aspect of the present invention, the efficiency of the attachment work can be improved by attaching the main body through the base member.

Drawing 1 is a side view showing the state where the wall ventilation unit concerning the embodiment of the present invention was attached to the building. FIG. 2 is a side view of the main body of the wall ventilation unit according to the embodiment of the present invention. 3 is a side view (viewed from the back side) in the direction of arrow III in FIG. FIG. 4 is a side view (viewed from the front side) in the direction of arrow IV in FIG. FIG. 5 is a side view of the base member of the wall ventilation unit according to the embodiment of the present invention. 6 is a plan view (viewed from above) in the direction of arrow VI in FIG. FIG. 7 is a side view (viewed from the front side) in the direction of arrow VII in FIG. 5.

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

  The wall ventilation unit 1 allows air to flow through the ventilation layer 3 formed on the back side of the outer wall 2. In this embodiment, the wall ventilation unit 1 is attached so as to face the foundation side opening 3 a formed between the lower end 2 a of the outer wall 2 and the wall base material 5, and is sent from the wall ventilation unit 1. The done air is sent into the ventilation layer 3 from the base side opening 3a. In the ventilation layer 3, an upward air flow is formed, and air is discharged from an outlet (not shown) formed above. The outlet may be formed above the outer wall 2 or may be formed on the roof to discharge air introduced from the ventilation layer 3 into the attic.

  In the present embodiment, a breathable and waterproof sheet 6 is stretched on the front side (outer wall 2 side) of the wall base material 5, and a gap between the sheet 6 and the outer wall 2 becomes the vent layer 3. ing. In addition, the clearance gap which comprises the ventilation layer 3 can be formed by interposing another wall base material 5a (for example, trunk edge etc.) between the wall base material 5 and the outer wall 2, for example. In this case, it is preferable that the wall base material 5a to be interposed is disposed in the horizontal direction at a predetermined interval in a posture along the vertical direction.

  The wall ventilation unit 1 is disposed on a foundation drainer 7 that covers the outer surface of the foundation 4 in a spaced manner. Further, a water return 1d inserted from below into the ventilation layer 3 is formed at the upper end of the wall ventilation unit 1, while a drainer 1e is formed at the lower end of the outer surface of the wall ventilation unit 1. ing. These prevent water from entering the wall ventilation unit 1 or the ventilation layer 3 from the outside.

  An air passage 1a extending from the lower intake port 1b to the upper exhaust port 1c is formed in the wall ventilation unit 1, and an electric fan 9 for generating an air flow is disposed in the air passage 1a. Yes. Further, a solar panel 8 is arranged on the outer surface of the wall ventilation unit 1 in an inclined posture that projects away from the surface of the outer wall 2 from the upper side to the lower side. The electric fan 9 is driven by the electric power. The operation of the electric fan 9 is controlled by a control circuit accommodated in the box 14. For controlling the electric fan 9, various sensors such as a temperature sensor and a humidity sensor may be provided, or a timer may be provided.

  Further, in the present embodiment, the wall ventilation unit 1 is configured as an integrated body part 10 having a solar panel 8 and an electric fan 9 and a base member 11 fixed to the wall base material 5. . The base member 11 is attached to the wall base material 5 using a fastener 17 such as a screw, and the main body 10 is attached to the base member 11 so as to cover the fastener 17 from the outdoor side. With this configuration, the lighter base member 11 can be attached to the wall base material 5 at first. Therefore, it is easier to attach and remove compared to the case of attaching an all-heavy unit to the wall base material 5. It can be carried out.

  As shown in FIGS. 2 to 4, the main body 10 includes a casing 12 made of a synthetic resin molded product or the like, and a solar panel 8 and an electric fan 9 are attached to the casing 12. As shown in FIGS. 3 and 4, in this embodiment, the main body 10 (that is, the wall ventilation unit 1) has a shape that is long horizontally along the lower edge of the outer wall 2. In accordance with this horizontally long shape, the solar panel 8 is formed in a horizontally long rectangular shape, and a plurality of electric fans 9 are arranged side by side.

  As shown in FIG. 2, the casing 12 includes a substantially rectangular plate-shaped inclined outer wall portion 12 a projecting in a direction away from the outer wall 2 from the upper side to the lower side, and a substantially rectangular plate arranged in a substantially horizontal posture on the lower side. And a vertical wall portion 12c arranged in an upright posture on the indoor side.

  A solar panel 8 is fitted on the surface side of the inclined outer wall portion 12a. The light receiving efficiency of the solar panel 8 is increased by disposing it in such a slanted posture.

  In this embodiment, a space on the back side of the inclined solar panel 8, that is, a space having a substantially triangular cross section surrounded by the inclined outer wall portion 12a, the bottom wall portion 12b, and the vertical wall portion 12c, An electric fan 9 is arranged.

  An opening 12e is formed in the bottom wall 12b, while an opening 12f is formed in the vertical wall 12c, and an air passage 12d from the opening 12e to the opening 12f is formed in the casing 12. Yes. The opening 12e becomes the air inlet 1b of the wall ventilation unit 1, and the air passage 12d becomes the air passage 1a of the wall ventilation unit 1. The electric fan 9 is fixed to the casing 12 via the bracket 13 so as to be disposed in the air passage 1a. The openings 12e and 12f may be appropriately covered with a mesh or a filter.

  Locking holes 12g and 12h for receiving the locking claws 15f and 15g (see FIG. 5) of the base member 11 are formed on the side of the casing 12 facing the base member 11, and the locking claws 15f and 15g are formed. By engaging 15g with the locking holes 12g and 12h, the main body 10 and the base member 11 are integrated.

  Further, in the present embodiment, the electric fan 9 is configured by integrating the electric motor 9M and the axial fan 9F, and the axial fan 9F has the rotational axis Ax of the axial fan 9F substantially horizontally. Is configured to rotate substantially along the vertical wall portion 12c. And the axial fan 9F is arrange | positioned at the side near the vertical wall part 12c, and the electric motor 9M is arrange | positioned at the side far from the vertical wall part 12c. Referring to FIG. 2, the height in the vertical direction from the bottom wall portion 12 b to the inclined outer wall portion 12 a is larger as it is closer to the vertical wall portion 12 c (toward the left side in FIG. 2) and farther from the vertical wall portion 12 c. On the other hand, the outer diameter of the axial fan 9F is larger than the outer diameter of the electric motor 9M. Therefore, the layout of the electric motor 9M and the axial fan 9F in this embodiment is well suited to a space having a substantially triangular cross section surrounded by the inclined outer wall portion 12a, the bottom wall portion 12b, and the vertical wall portion 12c. You can understand that

  In particular, when it is difficult to increase the amount of protrusion of the wall ventilation unit 1 from the outer wall 2, the width of the bottom wall portion 12b is difficult to increase, but the height of the vertical wall portion 12c is relatively large. It's easy to do. Therefore, the layout of the present embodiment, that is, the rotation axis Ax of the axial fan 9F is set substantially horizontally, the axial fan 9F is closer to the vertical wall portion 12c than the electric motor 9M (arranged indoors), and the shaft According to the layout in which the flow fan 9F is rotated substantially along the vertical wall portion 12c, it is easy to ensure a relatively large size (diameter) of the axial fan 9F even in such a case. There is an advantage that it is easy to increase.

  As shown in FIGS. 5 to 7, the base member 11 includes a casing 15 made of a synthetic resin molded product or the like. The casing 15 is relatively thin in the direction perpendicular to the surface of the outer wall 2 (left-right direction in FIG. 5) and is long along the lower edge of the outer wall 2 (along the left-right direction in FIG. 6). It is formed in a box shape. The casing 15 includes an outer wall portion 15a facing the main body portion 10, an inner wall portion 15b facing the wall base material 5, a bottom wall portion 15c, and the like.

  An opening 15d that overlaps the opening 12f formed in the vertical wall 12c is formed in the outer wall 15a. At the upper end of the casing 15, an opening 15 e that becomes the exhaust port 1 c of the wall ventilation unit 1 is formed. An air passage 15j extending from the opening 15d to the opening 15e (exhaust port 1c) is formed in the casing 15.

  An attachment hole 15i as a through hole is formed in the inner wall portion 15b, and the base member 11 is fixed to the wall base material 5 by a fastener 17 such as a screw passing through the attachment hole 15i. Further, as shown in FIG. 7, the attachment hole 15i can be accessed through the opening 15d. The opening 15d may be covered with a mesh filter 16 or the like after the attachment work using the attachment hole 15i. A through hole 15 h is formed at the bottom of the bottom wall portion 15 c, and this through hole 15 h serves as a drain hole 1 f of the wall ventilation unit 1.

  When attaching the wall ventilation unit 1 having the above-described configuration, first, the base member 11 is attached to the wall base material 5 using the fastener 17 or the like, and then the main body 10 is attached so as to cover the surface side of the base member 11. Install. In this way, the wall ventilation unit 1 for introducing outside air from below and feeding air into the ventilation layer 3 from the base side opening 3 a is installed.

  As described above, in the present embodiment, the solar panel 8 and the solar panel 8 produce the wall ventilation unit 1 for allowing air to flow in the ventilation layer 3 formed on the back side of the outer wall 2 of the building. The electric fan 9 that is rotationally driven by electric power is integrally provided. Therefore, since the solar panel 8 and the electric fan 9 are integrated, it is possible to reduce the labor of attachment and removal as compared with the case where they are separately attached.

  In the present embodiment, the wall ventilation unit 1 is attached so as to face the base side opening 3 a of the ventilation layer 3. Therefore, the work of attaching and detaching the wall ventilation unit 1 can be performed at a low position, so that the labor of the work can be reduced as compared with the case of using a ladder, a stepladder, etc. at a high position or climbing the roof. Can be reduced.

  Further, in the present embodiment, the solar panel 8 is arranged in an inclined posture protruding in a direction away from the surface of the outer wall 2 from the upper side to the lower side, and the electric fan 9 is arranged on the back side of the solar panel 8. In other words, the electric fan 9 can be arranged by effectively utilizing the space on the back side of the solar panel 8 generated by arranging the solar panel 8 in an inclined posture protruding from the surface of the outer wall 2, and the wall ventilation unit 1. Can be configured more compactly.

  In the present embodiment, the electric fan 9 includes an axial fan 9F in which the rotation axis Ax is disposed sideways, and an electric motor 9M that is disposed on the side where the solar panel 8 projects from the axial fan 9F. , And so on. That is, by arranging the axial fan 9F in a posture along the wall, it becomes easier to adopt the axial fan 9F having a larger size even in the wall ventilation unit 1 having a relatively small amount of protrusion from the outer wall 2. It becomes easy to secure air volume.

  Moreover, in this embodiment, the base member 11 fixed to the wall base material 5 arrange | positioned the wall ventilation unit 1 on the indoor side via the ventilation layer 3 with respect to the outer wall 2, the solar panel 8, and an electric fan 9 and the main body 10 attached to the base member 11 are integrated. That is, by attaching the main body 10 via the base member 11, the efficiency of the attaching and removing operations can be improved. Moreover, since the fasteners 17 such as screws for attaching the base member 11 can be hidden by the main body 10, there is an advantage that it is easy to improve the aesthetic appearance.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiments, and various modifications can be made. The specifications (shape, material, size, etc.) of each part can be changed as appropriate.

DESCRIPTION OF SYMBOLS 1 Wall ventilation unit 2 Outer wall 3 Ventilation layer 3a Foundation side opening 4 Foundation 5 Wall base material 8 Solar panel 9 Electric fan 9F Axial fan 9M Electric motor 10 Main body part 11 Base member Ax Rotating shaft

Claims (5)

A wall ventilation unit that allows air to flow in a ventilation layer formed on the back side of a building outer wall,
A wall ventilation unit comprising a solar panel and an electric fan that is rotationally driven by electric power generated by the solar panel.   The wall ventilation unit according to claim 1, wherein the wall ventilation unit is attached so as to face an opening on a base side of the ventilation layer. The solar panel is arranged in an inclined posture protruding in a direction away from the surface of the outer wall as it goes downward from above,
The wall ventilation unit according to claim 1 or 2, wherein the electric fan is disposed on a back side of the solar panel.   The said electric fan has an axial fan with which a rotating shaft is arrange | positioned sideways, and an electric motor arrange | positioned at the side which the said solar panel protrudes with respect to the said axial fan. Wall ventilation unit as described in.   A base member fixed to a wall base material disposed on the indoor side through the ventilation layer with respect to the outer wall, and a main body portion having the solar panel and the electric fan and attached to the base member. The wall ventilation unit according to any one of claims 1 to 4, wherein the wall ventilation unit is provided.

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