JP2007139232A - Ventilating structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilating structure having good appearance as a wall surface is formed flat as a whole. <P>SOLUTION: This ventilating structure comprises a wall inner ventilation passage longitudinally extending inside of a wall, formed in flat and communicating under floor at its lower end, and a cross flow fan having a cylindrical blower fan rotating around a vertical rotation shaft and disposed at a side of the wall inner ventilation passage. The cross flow fan for ventilation sucks the under-floor air through the wall inner ventilation passage, and supplies the same from a ventilating hole formed on a wall surface toward an indoor space. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a ventilation structure that ventilates a building by introducing underfloor air indoors.

  2. Description of the Related Art Various types of ventilation systems have been developed in the past to take air under the floor indoors to ventilate the inside of a building. The present applicant has proposed a ventilation system that can save space by forming an air passage in the wall, use the space in the wall as much as possible, and increase the ventilation rate to improve ventilation efficiency. (For example, refer to Patent Document 1). This system incorporates a ventilation unit with a built-in blower using a sirocco fan that sends underfloor air into the building between the wall panels that are continuously installed to construct the wall, and also controls the flow of underfloor air. By providing a rectifying means having different rectifying plates, the indoor ventilation device can control the flow of air and ensure a sufficient ventilation amount.

Japanese Patent No. 3436720

  Although the indoor ventilator can be configured as a relatively compact ventilation unit for adjusting the air path by rectifying means, it has a built-in sirocco fan, and controls ventilation and air convection by appropriately switching complicated air paths. The ventilation unit is considerably thicker than the wall panel. Therefore, it must be a structure that protrudes greatly from the wall surface formed by the continuous wall panel to the indoor space, and the surface of the wall body is uneven, thereby impairing the appearance and limiting the indoor plan plan. There was a need for further improvement.

  The present invention basically includes an in-wall air passage that is formed flat inside a wall and has a lower end communicating with the floor, and a cylindrical air blowing fan that rotates around a vertical rotating core. The challenge is to provide a ventilation structure that is flat and excellent in appearance.

  In order to achieve the above-mentioned object, in the invention according to claim 1, the interior of the wall is formed in a flat shape extending vertically and the lower end communicates with the floor, and the cylinder rotates around a vertical rotating core. A cross-flow fan arranged on the side of the in-wall air passage, and the cross-flow fan for ventilation sucks air under the floor through the in-wall air passage, And it blows off from the ventilation opening opened toward the indoor space on the wall surface.

  In the invention according to claim 2, the cross flow fan for ventilation includes an electric motor and a pair of upright cylindrical blower fans arranged above and below the electric motor, and the upper and lower The blower fan is driven and rotated at the same time by an electric motor. In the invention according to claim 3, the cross flow for circulation is arranged below and above the ventilating cross flow fan so as to be concentrically arranged vertically. A fan is provided, and the circulating cross flow fan is characterized in that air is sucked from a suction port formed on a wall surface facing the indoor space, and blown out from the recirculation port aligned with the suction port to the indoor space.

  In the invention which concerns on Claim 4, the said ventilation path in a wall is formed using the ventilation wall panel, and this ventilation wall panel is equipped with the said cross flow fan for ventilation, and communicates under floor with a lower end. In the invention according to claim 5, the ventilation wall panel is composed of a panel frame and panel face members attached to both sides of the panel frame, and the panel frame is A vertical frame member disposed on both the left and right sides, and a partition vertical frame member extending vertically between the vertical frame members and defining an air supply chamber for accommodating the in-wall air passage and the cross flow fan; The invention according to Item 6 is characterized in that the panel face material is configured by using a laminated body in which a steel plate, a heat insulating material, and a surface material overlap from the inside to the outside.

  The invention according to claim 1 is a cylindrical shape that introduces air under the floor into the indoor space and rotates around a vertical rotating core through a wall-shaped air passage that extends vertically inside the wall and is flat. A blower fan is provided to blow air under the floor into the indoor space using a cross flow fan arranged on the side of the air passage in the wall. It can be configured, and as a result, the design can be improved.

  As in the invention according to claim 2, when the underfloor air is blown using a double-flow type cross flow fan having a pair of blower fans arranged above and below the electric motor, a sufficient air volume can be obtained even if it is configured thinly. Because it can be secured, the necessary ventilation can be obtained. At the same time, the air blowing efficiency is improved to save power, and the noise is reduced, so that it can be used in the bedroom, study, listening room and the like without any trouble. Further, as in the invention according to claim 3, when a cross flow fan for circulation arranged in a concentric manner on the upper and lower sides is provided below the cross flow fan for ventilation, in addition to the ventilation of the indoor space, the indoor Since air can be circulated, the room temperature difference is reduced, especially during air conditioning, and a comfortable temperature environment can be obtained.

  When the ventilation path in the wall is formed using the ventilation wall panel as in the invention according to the fourth aspect, the workability is improved, and a highly accurate ventilation structure that is standardized and does not cause air leakage can be constructed. In the invention which concerns on Claim 5, since the ventilation wall panel consists of the vertical frame material, the panel frame body containing a partition vertical frame material, and the panel surface material attached to the both sides of this panel frame body, it was stable. It is possible to easily form an air supply chamber that accommodates the in-wall ventilation path and the cross flow fan by providing rigidity and being disposed at a predetermined position. And as in the invention according to claim 6, when the panel face material is configured by using a laminate in which the steel plate, the heat insulating material, and the surface material overlap from the inside to the outside, even if there is a difference between the underfloor air and the indoor temperature. Since condensation does not occur, durability is improved by preventing rust and stains.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the ventilation structure 1 includes an in-wall ventilation path 3 that is flat and is disposed within a wall thickness, and a ventilation cloth that is disposed on the side of the in-wall ventilation path 3. It has a flow fan 5K. Further, in the present embodiment, the in-wall ventilation path 3 is formed by using the ventilation wall panel 12 having the same thickness as the wall panel 46 forming the wall 2, and is provided below the ventilation cross flow fan 5 </ b> K for circulation. The cross flow fan 5J is attached.

  The wall panel 46 has a decorative plate on both sides of a panel frame made of wood or light weight steel, which is formed by bridging reinforcing bars on the inside of an outer peripheral frame in which a vertical frame material and a horizontal frame material are framed in a rectangular shape. As shown in FIG. 1, the wall 2 is formed by arranging a plurality of sheets side by side and attaching them to a building rectangular body such as a pillar or a beam (not shown). In addition, the wall 2 is included in any case of an outer wall that is located on the outer periphery of the building and forms a shelter, or a partition wall that partitions an indoor space. The width of the wall panel 46 is formed with a module size which is a standard length, for example, a size of 900 mm, and the wall 2 can be constructed by continuing a predetermined number of sheets.

  As shown in FIG. 5, the ventilation wall panel 12 includes a panel frame body 14 and panel surface members 15 attached to both sides of the panel frame body 14.

  The panel frame 14 has a rectangular outer frame 23 composed of vertical frame members 16, 16 disposed on the left and right sides, and a horizontal frame member 24 connecting the upper and lower ends of the vertical frame members 16, 16. A partition vertical frame member 18 is arranged between the vertical frame members 16 and 16 and close to one vertical frame member 16A and extending vertically. Further, between the one vertical frame member 16A and the partition vertical frame member 18, upper and lower joint horizontal frame members 47U and 47D are bridged at a substantially intermediate height. The lower horizontal frame member 24D is provided with a plurality of long rectangular lower frame openings 25, and the partition vertical frame member 18 has a plurality of middle frame openings higher than the upper joint horizontal frame member 47U. 26 is drilled.

  The vertical frame member 16 and the partition vertical frame member 18 are formed using light-duty steel having the same cross section, and the vertical frame member 16 is further reinforced by attaching a reinforcing wooden cross 27 to the outside thereof. ing. The horizontal frame member 24 and the joint horizontal frame members 47U and 47D are made of lightweight channel steel that faces the inside in the same cross section as described above.

  The panel face material 15 has a rectangular shape substantially the same size as the outer peripheral frame 23, and is fixed to both sides of the panel frame body 14 by using a fixing tool such as a screw or a nail that is driven into the panel frame body 14 and bonding. A so-called flash panel is formed together with the panel frame 14. However, the panel surface material 15 arranged on the front side is notched between the one vertical frame member 16A and the partition vertical frame member 18, leaving upper and lower ends. Further, in the center portion, a hat groove-shaped spacer 28 is interposed between the panel face members 15 and 15 on both sides, thereby stably supporting the force in the panel thickness direction. Warpage and cracking are prevented.

  As shown in FIG. 5, the panel face materials 15 on both sides are configured by using a laminated body 22 in which a steel plate 19, a heat insulating material 20, and a surface material 21 overlap each other from the inside. The steel plate 19 has a thickness of about 0.5 to 1.2 mm. As the heat insulating material 20, a foamed resin heat insulating material such as expanded polystyrene, hard urethane, polyethylene, and phenol is preferably used. In addition, an inorganic fiber heat insulating material such as glass wool and rock wool, cellulose fiber, insulation board, and the like. A wood fiber heat insulating material or a laminated heat insulating material in which an aluminum foil is bonded to these heat insulating materials is used. The surface material 21 is waterproof to ceramics such as asbestos cement board, calcium silicate board, flexible board, metal type sandwiched with foamed resin layer with steel plate, aluminum plate, plywood, wood wool cement board, wood chip cement board. Various wood-based siding boards covered are used.

  In this embodiment, since the three-layer laminate 22 including the heat insulating material 20 is used as the panel face material 15, even if there is a temperature difference between the underfloor air and the room, condensation does not occur, and rust and mold are generated. Durability can be improved by suppressing material deterioration such as stains and rot. Further, when the ventilation wall panel 12 is disposed on the outer wall surface, sufficient heat insulation is obtained, so that the heat insulation performance of the entire building is not impaired.

  Inside the ventilation wall panel 12 configured in this way, the other vertical frame member 16B that is sandwiched between the panel surface members 15 and 15 on both sides and faces the one vertical frame member 16A, and a partition vertical frame member 18 and the upper and lower horizontal members 24, a flat in-wall air passage 3 extending up and down is formed. Further, a vertically long air supply chamber 17 sandwiched between the one vertical frame member 16A and the partition vertical frame member 18 is formed, and the air supply chamber 17 includes the upper and lower joint horizontal frame members 47U and 47D. Therefore, it is divided and separated into an air supply chamber 17K for ventilation and an air supply chamber 17J for circulation. A control space 29 sandwiched between the upper and lower joint lateral frame members 47U and 47D is formed between the air supply chamber 17K for ventilation and the air supply chamber 17J for circulation.

  Further, as shown in FIG. 1, the ventilation wall panel 12 is attached between the wall panels 46 without a gap to form a part of the wall 2. The lower frame opening 25 provided in the lower horizontal frame member 24 </ b> D forms the air inlet 13 facing the underfloor space, and the in-wall air passage 3 communicates with the floor under the air inlet 13.

  As shown in FIG. 6, the ventilation cross flow fan 5 </ b> K includes a cylindrical blower fan 4 centering on a vertical rotating core. In the present embodiment, the electric motor 8 arranged in the vertical direction, the pair of blower fans 4 and 4 respectively attached to the upper and lower ends of the rotary shaft 30 extending vertically from the electric motor 8, the electric motor 8 and the blower fan. 4 and a fan shelter 32 that covers 4 is illustrated.

  The electric motor 8 employs a DC motor, a brushless motor, an AC motor or the like having a speed adjusting function. In particular, in the present embodiment, a structure in which both ends of a rotating shaft 30 arranged vertically projects vertically is used. Is done.

  As shown in FIGS. 3 and 6, the blower fan 4 has a large number of inclined blades 31 arranged at equal intervals on the same radius with the rotary core as the center, and has an upright cylindrical shape, and is coaxial with the rotary core. By being fixed to the tip of the rotating shaft 30 aligned above, it is driven by the electric motor 8 and rotates around the rotating core. In this embodiment, as described above, the pair of blower fans 4, 4 are arranged vertically with the electric motor 8 interposed therebetween and are simultaneously rotated by driving the electric motor 8.

  The fan shelter 32 connects the motor cover 33 that covers the electric motor 8, the bearing portion 34 that rotatably supports the outer end portion of the blower fan 4, and the motor cover 33 and the bearing portion 34. And a curved piece-like guide piece 35 covering a part of the side surface.

  As shown in FIGS. 3 and 7, the ventilation cross flow fan 5 </ b> K configured as described above is accommodated in the ventilation air supply chamber 17 </ b> K, and the mounting piece 36 of the bearing portion 34 is attached to the panel frame 14. By attaching to the inside of the ventilation wall panel 12, it is attached.

  Further, as shown in FIG. 7, a ventilation base grill plate 37 having a ventilation opening 7 is attached to the front surface of the ventilation air supply chamber 17 </ b> K accommodating the ventilation cross flow fan 5 </ b> K. Further, a decorative grill plate 38 is detachably attached to the front surface of the ventilation base grill plate 37 by screws 42, and covers the front surface of the ventilation cross flow fan 5K.

  Accordingly, when the blower fan 4 is rotated by being driven by the electric motor 8, the air under the floor is sucked into the in-wall ventilation path 3 from the intake port 13 and moves upward in the ventilation wall panel 12. Further, the air in the in-wall ventilation path 3 is drawn into the ventilation air supply chamber 17K by the blower fan 4 through the vent 39 formed by the middle frame opening 26 of the partition vertical frame member 18, Guided by the guide piece 35, the air is blown into the indoor space 6 through the ventilation port 7 and the decorative grill plate 38 of the base grill plate 37 for ventilation. Since the ventilation structure reduced in thickness by adopting the in-wall air passage 3 and the cross flow fan 5K for ventilation can be accommodated within a limited wall thickness range of about 90 to 120 mm, for example, As a result, the appearance can be improved. Moreover, since the flat ventilation path 3 extending vertically inside the wall 2 has low ventilation resistance, a thin ventilation crossflow fan 5K can provide a sufficient ventilation amount and can also reduce wind noise. .

  Further, the cross flow fan 5K for ventilation provided with a pair of vertically long cylindrical blow fans 4 above and below the electric motor 8 can obtain a sufficient amount of air flow even if it is thin, and it is necessary through the in-wall ventilation passage 3. The amount of ventilation can be obtained. Moreover, since the air blowing efficiency is high, energy can be saved and the driving sound is kept quiet, so that it can be used comfortably in a bedroom, study, listening room, and the like.

  Furthermore, in this embodiment, since the ventilation structure 1 can be configured including the construction of the in-wall ventilation path 3 by attaching the ventilation wall panel 12, not only the workability is good but also the structure is standardized and the air leakage does not occur. Reliability can be obtained. Further, by installing the ventilation wall panel 12 side by side with the wall panel 46, the air supply chamber 17 for accommodating the cross flow fan 5 as well as the in-wall ventilation path 3 can be formed at the same time. Stable rigidity is obtained because the panel face material 15 is added to both sides of the panel frame body 14 including the frame material 16 and the partition vertical frame material 18.

  As shown in FIGS. 3 and 7, the dust removing filter 40 is inserted into the slit 48 of the ventilation base grill plate 37 so as to be inserted and removed in the thickness direction of the wall 2. Accordingly, since the floating air is removed from the underfloor air passing through the vent 39 when passing through the dust filter 40, clean air is supplied to the indoor space 6. In addition, it is desirable that the dust removal filter 40 be maintained once about every 2 to 3 months by sucking off the attached dust with a vacuum cleaner or the like.

  As shown in FIG. 2, the cross flow fan 5J for circulation is provided with a pair of blower fans 4 on the top and bottom of the electric motor 8 in the same manner as the cross flow fan 5K for ventilation. The same one as the cross flow fan 5K is used. For this reason, the entire apparatus can be standardized to improve reliability, and maintenance work can be easily performed. The circulation cross flow fan 5J is accommodated in the circulation air supply chamber 17J and fixed by screws. Thus, the cross flow fan 5K for ventilation and the cross flow fan 5J for circulation are arranged inside the ventilation wall panel 12 with their respective rotation axes aligned vertically.

  Further, as shown in FIGS. 4 and 8, a circulation base grill plate 43 that covers the front surface of the circulation cross flow fan 5J is attached to the circulation air supply chamber 17J. The base grill plate 43 for circulation has a vertically long suction port 10 and a reflux port 11 formed side by side. When the blower fan 4 is rotated by driving the electric motor 8, the air in the indoor space 6 is sucked from the suction port 10 and is guided by the guide piece 35 and blown out from the reflux port 11 to the indoor space 6. In this way, in this embodiment, the circulation cross flow fan 5J circulates the air in the indoor space 6, so that it is possible to reduce the vertical difference in the indoor temperature especially during air conditioning, and to generate a moderate flow in the indoor air, which is comfortable. Improves.

  In addition, the same decorative grill plate 38 as that for the ventilation base grill plate 37 is detachably attached to the front surface of the circulation base grill plate 43. Accordingly, since the same decorative grill plates 38 are arranged vertically, the appearance is unified and the appearance is excellent, and the number of parts used is reduced, the productivity is increased, and maintenance is facilitated.

  A circulation filter 44 is attached along the outside of the suction port 10 of the base grill plate 43 for circulation. The circulation filter 44 is detachably fixed by a filter pressing member 45 inside the decorative grill plate 38. Then, pollen, sand dust and the like in the air of 10 μm or more can be efficiently removed, and a healthy and comfortable indoor air environment can be maintained. The circulation filter 44 is preferably maintained by vacuuming a dust or the like about once a month.

  The above description is an example of the embodiment of the present invention. Therefore, the technical scope of the present invention is not limited to this, and various modifications are included in addition to the above-described embodiment.

It is a perspective view which illustrates one embodiment of the present invention. FIG. It is the AA sectional view. It is the BB sectional drawing. It is a perspective view of a ventilation wall panel. It is a principal part expansion perspective view of a cross flow fan. It is a disassembled perspective view explaining the attachment state of the cross flow fan for ventilation. It is a disassembled perspective view explaining the attachment state of the cross flow fan for circulation.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ventilation structure 2 Wall 3 In the wall which has a restriction | limiting in the ventilation path in a wall 4 Blower fan 5J Cross flow fan for ventilation 5K Cross flow fan for circulation 6 Indoor space 7 Ventilation port 8 Electric motor 10 Suction port 11 Return port DESCRIPTION OF SYMBOLS 12 Ventilation wall panel 13 Intake port 14 Panel frame 15 Panel surface material 16 Vertical frame material 17 Air supply chamber 18 Partition vertical frame material 19 Steel plate 20 Heat insulating material 21 Surface material 22 Laminate

Claims (6)

The interior of the wall is formed in a flat shape extending vertically inside the wall, and the lower end communicates with the floor, and has a cylindrical blower fan that rotates around a vertical rotating core. With a cross flow fan placed in
The ventilating cross-flow fan sucks air under the floor through an in-wall ventilation path and blows it out from a ventilation opening that opens toward the indoor space on the wall surface. The cross flow fan for ventilation is configured to include an electric motor and a pair of upright cylindrical air blowing fans arranged above and below the electric motor,
The ventilation structure according to claim 1, wherein the upper and lower blower fans are driven by an electric motor and rotate simultaneously. Provided below the ventilation crossflow fan is a circulation crossflow fan that is arranged concentrically up and down,
3. The circulating cross flow fan sucks air from a suction port formed on a wall surface facing an indoor space, and blows out the air from a reflux port aligned with the suction port to the indoor space. The described ventilation structure. The in-wall ventilation path is formed using a ventilation wall panel,
The ventilation structure according to any one of claims 1 to 3, wherein the ventilation wall panel is equipped with the cross flow fan for ventilation, and an air inlet communicating with the floor is formed at a lower end. The ventilation wall panel is composed of a panel frame and panel face materials attached to both sides of the panel frame,
The panel frame includes a vertical frame member disposed on both right and left sides, and a partition vertical frame member that extends vertically between the vertical frame members and defines an air supply chamber that houses the in-wall air passage and the cross flow fan. The ventilation structure according to any one of claims 1 to 4, wherein the ventilation structure is included.   The ventilation structure according to claim 5, wherein the panel face material is configured by using a laminated body in which a steel plate, a heat insulating material, and a surface material overlap from the inside toward the outside.

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