JP7221071B2 - building - Google Patents

Description

The present invention relates to a building capable of suppressing the concentration of volatile organic compounds in indoor spaces.

Due to the enforcement of the revised Building Standards Law related to countermeasures against sick house syndrome, it is obligatory to control the diffusion rate of formaldehyde in building materials used for interior finishing. On the other hand, building contractors, for example, use building materials that are controlled according to the JIS standard grade (e.g. F ☆ ☆ ☆ ☆ (F Forster)) for interior finishing, thereby reducing the formaldehyde diffusion rate. is managing

Further, Patent Literature 1 discloses an interior building material and an interior structure of a building capable of trapping formaldehyde diffused into the indoor space. By adopting such an interior structure, even when a formaldehyde-based adhesive is used for the assembly of building materials, it is possible to capture diffused formaldehyde and suppress an increase in the formaldehyde concentration in the room.

JP-A-2002-187757

However, in the configuration disclosed in Patent Document 1, when a finishing material with poor air permeability is used on the indoor side of the interior building material capable of capturing formaldehyde, the formaldehyde capturing performance is reduced by the finishing material. In some cases, the increase in formaldehyde concentration cannot be sufficiently suppressed, and there is room for improvement.

The present invention was made in view of such problems, and its object is to provide a building that can suppress the concentration of volatile organic compounds in the indoor space regardless of the finishing materials used in the indoor space. to do.

The building of the present invention is
A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The partition member includes an outer peripheral wall or a roof material containing a heat insulating material, and the hollow portion of the outer peripheral wall or the roof material is arranged on the indoor space side of the heat insulating material. be.

Further, in the building of the present invention, in the above configuration, at least the partition member closer to the indoor space than the cavity of the two partition members adsorbs or decomposes volatile organic compounds through the surface on the cavity side. Preferably possible.

In the building of the present invention, in the above configuration, the partition member on the indoor space side suppresses adsorption and decomposition of volatile organic compounds through the surface on the indoor space side rather than the surface on the cavity side. is preferred.

Moreover, in the building of the present invention, in the above configuration, it is preferable that the base material for fixing the two partition members or the frame structure included in the partition member includes a steel material.

In addition, the building of the present invention is
A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The partition member includes a partition wall that partitions the indoor space and an adjacent indoor space adjacent to the indoor space, and the hollow portion of the partition wall continuously surrounds the indoor space in plan view. It is characterized.

In addition, the building of the present invention is
A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The partitioning member includes a ceiling material located between floors, and the partitioning member on the side opposite to the indoor space side across the cavity in the ceiling material includes a lightweight cellular concrete building material and/or is made of steel. It is characterized by being supported by a beam containing the material.

In addition, the building of the present invention is
A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The partitioning member includes a partition wall that partitions the indoor space from an adjacent indoor space adjacent to the indoor space and a ceiling material positioned between floors, and the hollow part of the partition wall and the hollow part of the ceiling material are: It is characterized by communicating with each other.

Further, in the building of the present invention having the above configuration, it is preferable that the air circulation means has a plurality of openings formed in the partition member on the indoor space side.

Further, in the building of the present invention, in the above configuration, it is preferable that a member capable of adsorbing or decomposing a volatile organic compound is arranged in the cavity.

Moreover, in the building of the present invention, in the above configuration, it is preferable that the air circulation means has a fan arranged in the partition member on the indoor space side or in the cavity.

In addition, the building of the present invention is
A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The air circulation means is arranged on the partition member on the indoor space side, and has an air conditioner having an air outlet on the indoor space side and an intake port on the cavity side.

ADVANTAGE OF THE INVENTION According to this invention, the building which can suppress the density|concentration of the volatile organic compound in indoor space regardless of the finishing material used for indoor space can be provided.

BRIEF DESCRIPTION OF THE DRAWINGS It is front sectional drawing which shows schematic structure of the building which concerns on one Embodiment of this invention. FIG. 2 is a cross-sectional plan view of a partition wall portion in FIG. 1;

Hereinafter, the present invention will be described more specifically with reference to the drawings.

FIG. 1 is a front sectional view showing a schematic configuration of a building 100 according to one embodiment of the present invention. First, the overall configuration of building 100 will be described. A building 100 shown in FIG. 1 is a two-story industrialized house with a steel framework.

In addition, the "volatile organic compounds" described in the specification and claims of this application are volatile organic compounds (VOC) of building materials, formaldehyde and other It shall contain carbonyl compounds.

The building 100 has a reinforced concrete foundation structure 1 fixed to the ground GL, and a frame structure or the like composed of framework members such as column members and beam members, and an upper structure fixed to the foundation structure 1. 2 and . Note that the frame members that constitute the frame frame are standardized (standardized), and are manufactured in advance at a factory and then brought to the construction site and assembled.

The foundation structure 1 is located below the frame frame and supports the frame frame. Specifically, the foundation structure 1 includes a perimeter foundation beam 10 and a footing 12 made of reinforced concrete. The foundation structure 1 may further include pile bodies that are buried in the ground GL and arranged in contact with the bottom surface of the footing 12 . In addition, on the upper end of the outer peripheral foundation beam 10, a column base fixing part for fixing the column base of the column member of the frame structure is provided by the exposed fixed column base construction method, and the anchor bolt is attached to the upper surface of the outer peripheral foundation beam 10. protruding from The foundation structure 1 has the function of distributing and transmitting the vertical load from the framework of the upper structure 2 to the ground GL, and also the function of supporting the exterior members and floor members of the upper structure 2. .

The perimeter foundation beam 10 is made of reinforced concrete, is positioned below the upper structure 2 and supports the upper structure 2 . Further, below the perimeter foundation beam 10, a reinforced concrete footing 12 is provided which is integrally formed with the perimeter foundation beam 10 and transfers the load of the building 100 to the ground GL.

The upper structure 2 includes a frame structure composed of a plurality of column members and a plurality of beam members installed between the column members, an outer peripheral wall WL2 arranged on the outer periphery of the frame frame, and an inter-floor structure. It is provided with a ceiling material CL that separates an upper floor indoor space from a lower floor indoor space and a partition wall WL1 that separates an indoor space R1 from an adjacent indoor space as another adjacent space R2. .

The outer peripheral wall WL2 includes an exterior member, a heat insulating member, and an interior member. The exterior member can be composed of, for example, panels of lightweight aerated concrete (hereinafter referred to as "ALC". "ALC" is an abbreviation for "autoclaved light weight concrete"). By connecting a plurality of ALC panels to each other, the outer layer of the outer peripheral wall WL2 (in the example of FIG. 1, the exterior panel wp of the second partition member w2) can be formed. The heat insulating member is, for example, the heat insulating material hw that constitutes the second partition member w2 in the example of FIG. In the example of FIG. 1, the interior member is the first partition member w1 that constitutes the outer peripheral wall WL2. It can be formed by a member to which a functional sheet having

Next, the interior structure of the upper structure 2 will be described in detail below.

As shown in FIG. 1, the building 100 according to this embodiment includes an indoor space R1. The indoor space R1 is partitioned from other spaces R2, R3 and OT by partitioning members. Another space R2 is an indoor space adjacent to the indoor space R1, and is separated from the indoor space R1 by a partition wall WL1 that is a dividing member. Another space R3 is an indoor space provided above the indoor space R1, and is separated from the indoor space R1 by a ceiling material CL that is a partitioning member. Another space OT is a space outside the building 100, and is separated from the indoor space R1 by an outer peripheral wall WL2 that is a partitioning member.

The partition wall WL1 is a partition member that partitions the indoor space R1 and another space R2. As shown in FIG. 1, the partition wall WL1 includes a first partition member w1 facing the indoor space R1, a second partition member w2 facing the other space R2, and the first partition member w1 and the second partition member w2. and a hollow portion w3 which is a space formed by The first partition member w1 and the second partition member w2 are provided facing each other with the hollow portion w3 interposed therebetween.

The first partition member w1 is a concept that indicates a portion of the partition member that is closer to the indoor space R1 than the hollow portion w3. Similarly, the second partition member w2 is a concept that indicates a portion of the partition member that is on the side opposite to the interior space R1 side of the hollow portion w3. Therefore, in this embodiment, the partition wall WL1 is composed of two partition members (in this embodiment, a first partition member w1 and a second partition member w2) and a hollow portion w3. This also applies to the outer peripheral wall WL2 and the ceiling material CL, which will be described later.

In the present embodiment, the first partition member w1 can be made of, for example, a functional building material that has the effect of reducing volatile organic compounds. The functional building materials used for the first partition member w1 include, for example, building materials with enhanced trapping performance for aldehydes such as formaldehyde and other volatile organic compounds by blending the hydrazide compound disclosed in Patent Document 1, Tiger High Clean Board (registered trademark) manufactured by Yoshino Gypsum Co., Ltd. can be used. In addition, other building materials that are capable of adsorbing or decomposing volatile organic compounds may be used. Further, for the first partition member w1, for example, a sheet-like member having volatile organic compound adsorption or decomposability is attached to at least the outer surface (the surface on the cavity w3 side) of the gypsum board. You may use the thing which ensured the adsorptivity or decomposability of a volatile organic compound. That is, for the first partition member w1, a member such as a functional building material capable of adsorbing or decomposing volatile organic compounds through at least the outer surface (the surface on the cavity w3 side) can be used.

In this embodiment, a finishing material wf having poor air permeability is provided on the indoor space R1 side of the first partition member w1. By providing the finishing material wf in this way, the function of adsorbing or decomposing volatile organic compounds through the surface on the indoor space R1 side of the first partition member w1 is suppressed compared to the surface on the cavity w3 side. . In addition, as will be described later, by circulating air between the indoor space R1 and the hollow portion w3, the volatile organic compounds in the indoor space R1 are adsorbed or decomposed from the hollow portion w3 side of the first partition member w1. .

A material having good air permeability may be used for the finishing material wf. An example of the finishing material wf with poor air permeability is vinyl cloth. On the other hand, an example of the finishing material wf having good air permeability is cloth cloth.

In this embodiment, the same member as the above-described first partition member w1 is used for the second partition member w2. However, the present invention is not limited to this aspect, and a member or the like that does not have the effect of reducing volatile organic compounds may be used as the second partition member w2.

The hollow portion w3 is a space formed by the first partition member w1 and the second partition member w2 that are arranged to face each other, and constitutes an air circulation path in the present embodiment. The first partition member w1 of the partition wall WL1 is provided with an opening a1 that communicates the indoor space R1 and the cavity w3. The opening a1 is arranged at a height position near the floor material FL in the first partition member w1. In this embodiment, the cavity w3 of the partition wall WL1 communicates with the cavity c3 of the ceiling material CL, which will be described later.

In the present embodiment, the hollow portion w3 continuously surrounds the interior space R1 in plan view. That is, the hollow portion w3 surrounds the interior space R1 without interruption in plan view. FIG. 2 shows the arrangement of base materials bm that support the first partition member w1 and the second partition member w2 in a plan view of the building 100 according to this embodiment. For example, as shown in FIG. 2, by arranging the base material bm so as not to spread in the width direction of the hollow portion w3, the hollow portion w3 can continuously surround the interior space R1 in plan view. . As a result, it is possible to promote the circulation of air in the hollow portion w3 (the flow of air is indicated by arrows).

In addition, in FIG. 2, the base material bm that supports the first partition member w1 and the second partition member w2 preferably contains a steel material. With such a configuration, since volatile organic compounds are less likely to be released from the base material bm, it is possible to suppress an increase in volatile organic compounds in the building 100 according to the present disclosure. For the same reason, it is also preferable that the frame structure other than the base material bm included in the partitioning member contains a steel material.

A fan may be arranged in the hollow portion w3 to promote the flow of the air that has flowed in from the opening portion a1. In this case, it is desirable to install the fan so that the air that has flowed in from the opening a1 flows toward the cavity c3 of the ceiling material CL. Alternatively, a fan may be arranged in the opening a1 to draw air from the opening a1 and send the air upward toward the ceiling material CL. Alternatively, a fan arranged in the cavity w3 or the opening a1 may be configured to send air downward from the ceiling material CL.

The outer peripheral wall WL2 is a partitioning member that partitions the indoor space R1 from another space OT. In the example of FIG. 1 , the other space OT is the space outside the building 100 . As shown in FIG. 1, the outer peripheral wall WL2 includes a first partition member w1 facing the indoor space R1, a second partition member w2 facing the other space OT, and the first partition member w1 and the second partition member w2. and a cavity w3 formed by The first partition member w1 and the second partition member w2 are provided facing each other with the hollow portion w3 interposed therebetween.

In the present embodiment, the first partition member w1 has a function capable of adsorbing or decomposing volatile organic compounds through at least the outer surface (the surface on the cavity w3 side), like the first partition member w1 of the partition wall WL1. A member such as a flexible building material can be used.

In this embodiment, the surface of the first partition member w1 of the outer peripheral wall WL2 facing the indoor space R1 is provided with a finishing material wf having poor air permeability. By providing the finishing material wf in this manner, the first partition member w1 is prevented from adsorbing or decomposing volatile organic compounds from the indoor space R1 side. Further, as will be described later, by circulating air between the indoor space R1 and the hollow portion w3, the volatile organic compounds in the indoor space R1 are adsorbed or decomposed through the surface of the first partition member w1 on the hollow portion w3 side. be done.

In this embodiment, the second partition member w2 includes a heat insulating material hw and an exterior panel wp in order from the side closer to the cavity w3. The exterior panel wp is made of an ALC panel and is fixed to the framework frame. The hollow portion w3 is arranged closer to the indoor space R1 than the heat insulating material hw. In this embodiment, the heat insulating material hw mainly suppresses the release of heat from the indoor space R1 to the outside space.

The hollow portion w3 is a space formed by the first partition member w1 and the second partition member w2 that are arranged to face each other, and constitutes an air circulation path in the present embodiment. The first partition member w1 of the outer peripheral wall WL2 is provided with an opening a1 that communicates the indoor space R1 and the cavity w3. The opening a1 is arranged at a height position near the floor material FL in the first partition member w1. In this embodiment, the cavity w3 of the outer peripheral wall WL2 communicates with the cavity c3 of the ceiling material CL, which will be described later.

The ceiling material CL is a partitioning member that partitions the indoor space R1 from another space R3. As shown in FIG. 1, the ceiling material CL includes a first partition member c1 facing the indoor space R1, a second partition member c2 located on the opposite side of the indoor space R1, and the first partition member c1 and the second partition member c2. and a hollow portion c3 formed by the member c2. And the 1st partition member c1 and the 2nd partition member c2 are provided facing each other across the hollow part c3.

In the present embodiment, the first partition member c1 has a function capable of adsorbing or decomposing volatile organic compounds through at least the outer surface (the surface on the cavity c3 side) similarly to the first partition member w1 of the partition wall WL1. A member such as a flexible building material can be used.

In this embodiment, the second partition member c2 includes a ceiling panel cp, a heat insulator hc, and a floor member ff from the side closer to the cavity c3. The ceiling panel cp is formed of an ALC panel like the exterior panel wp of the outer peripheral wall WL2, and is fixed to a framework frame (for example, a beam). In addition, it is preferable that the framework includes a steel material. Since volatile organic compounds are less likely to be emitted from steel materials, the building 100 according to the present disclosure can limit the increase of volatile organic compounds. The hollow portion c3 is arranged closer to the indoor space R1 than the heat insulating material hc.

In this embodiment, a finishing material cf with poor air permeability is provided on the indoor space R1 side of the first partition member c1. By providing the finishing material cf in this manner, the first partition member c1 is prevented from adsorbing or decomposing volatile organic compounds from the indoor space R1 side. Further, as will be described later, by circulating air between the indoor space R1 and the cavity c3, the volatile organic compounds in the indoor space R1 are adsorbed or decomposed from the cavity c3 side of the first partition member c1. .

The cavity portion c3 is a space formed by the first partition member c1 and the second partition member c2 that are arranged to face each other, and constitutes an air circulation path in this embodiment. The first partition member c1 of the ceiling material CL is provided with an opening a2 that communicates between the indoor space R1 and the cavity c3. The opening a2 is arranged substantially in the center of the first partition member c1. In this embodiment, the cavity c3 of the ceiling material CL communicates with the cavity w3 of the partition wall WL1.

In this embodiment, the air that has flowed into the cavity w3 from the opening a1 arranged in the partition wall WL1 or the outer peripheral wall WL2 is carried to the cavity c3 of the ceiling material CL through each cavity w3. An opening a2 is formed in the first partition member c1 of the ceiling material CL, and the air that has flowed in from the opening a1 re-enters the interior space R1 from the opening a2 of the ceiling material CL. That is, in the example of FIG. 1, the cavity w3 of the partition wall WL1, the cavity w3 of the outer peripheral wall WL2, and the cavity c3 of the ceiling material CL constitute the air circulation path. In this embodiment, the fan provided in the opening a1 of the partition wall WL1 and the outer peripheral wall WL2 guides the air in the indoor space R1 into the cavity w3, and then re-enters the indoor space through the opening a2 of the ceiling material CL. Let it flow in (air flow is indicated by arrows in FIG. 1).

As described above, the partition wall WL1, the outer wall WL2, and the first partition members w1 and c1 of the ceiling material CL adsorb or decompose volatile organic compounds at least through the outer surfaces facing the cavities w3 and c3. It has the effect of reducing Therefore, the air that flows into the cavity w3 from the opening a1 arranged in the partition wall WL1 or the outer peripheral wall WL2 and passes through the cavity c3 of the ceiling material CL is the volatile organic solvent contained in the first partition members w1 and c1. Volatile organic compounds contained in the air are reduced by adsorption or decomposition of the compounds. Then, the air that has passed through the hollow portions w3 and c3 returns to the interior space R1 again in a state in which the volatile organic compounds are reduced. Therefore, even if the finishing materials wf and cf with poor air permeability are used on the inner side surfaces of the first partition members w1 and c1 facing the indoor space R1 as in the present embodiment, the air inside the indoor space R1 does not contain the finishing materials wf and cf. volatile organic compounds can be reduced. Therefore, it is possible to expand the range of selection of the finishing materials wf and cf used for the inner surface facing the indoor space R1.

Instead of giving the first partition members w1 and c1 the ability to adsorb or decompose volatile organic compounds, or at the same time, members that adsorb or decompose volatile organic compounds are arranged in the cavities w3 and c3. good too. As a result, volatile organic compounds in the air flowing through the cavities w3 and c3 can be effectively reduced. In other words, it is sufficient that the volatile organic compound can be adsorbed or decomposed through the surfaces exposed in the cavities w3 and c3 forming the air circulation path. In other words, the member itself having the ability to adsorb or decompose volatile organic compounds, or a part of a certain member having the ability to adsorb or decompose volatile organic compounds constitutes an air circulation path. It suffices if they are arranged so as to face the portions w3 and c3.

In addition, as in the present embodiment, finishing materials wf and cf with poor air permeability can be used on the inner side surfaces of the first partition members w1 and c1 facing the indoor space R1. It is possible to suppress the volatile organic compounds adsorbed in the direct re-release into the indoor space R1.

In addition, since the first partition members w1 and c1 adsorb or decompose volatile organic compounds through the outer surfaces facing the cavities w3 and c3 through which air flows, the fluidity of the air on the outer surfaces is increased, of volatile organic compounds can be effectively reduced.

In this embodiment, the fan is used to flow the air in the indoor space R1 through the cavities w3 and c3. can be configured to More specifically, for example, the air conditioner is arranged in the first partition member w1, and the intake port of the air conditioner is arranged on the cavity w3 side and the outlet is arranged on the indoor space R1 side. good too. Alternatively, the inside of the indoor space R1 or the hollow portion w3 may be locally heated to cause the air to flow by convection.

Further, in the present embodiment, the partition wall WL1, the outer peripheral wall WL2, and the ceiling material CL were described as examples of partition members that partition the indoor space R1 from the other spaces R2, R3, and OT, but this aspect is limited. not. For example, a roof material (not shown in FIG. 1) or a floor material FL may be used as the partition member. When a roof material is used as the partition member, a member forming the roof is adopted as the second partition member c2 in FIG. 1, and a cavity c3 is formed between the member forming the roof and the first partition member c1. It may be configured to be provided. In this case, it is preferable that the members constituting the roof include a heat insulating material. Further, when the floor material FL of FIG. 1 is used as the partition member, the floor material FL in FIG. The space between the member FL and the newly added member may be configured to be a hollow portion to circulate the air in the indoor space R1. Further, in FIG. 1, the space between the floor material FL and the ground GL may be used as a cavity.

As described above, the present embodiment is a building 100 having an indoor space R1 that is partitioned from other spaces R2 and R3 by partitioning members, and the partitioning members are hollow portions w3 and c3 and a hollow portion w3 , c3, and at least one partition member of the two partition members w1 and w2 (or c1 and c2) has a hollow portion w3, A volatile organic compound can be adsorbed or decomposed through the surface exposed in c3, and an air circulation means is provided to circulate air between the indoor space R1 and the cavities w3 and c3. By adopting such a configuration, the air that flows into the cavity w3 from the opening a1 arranged in the partition wall WL1 and passes through the cavity c3 of the ceiling material CL is exposed in the cavity w3, c3. Volatile organic compounds are adsorbed or decomposed through the air, and the concentration of volatile organic compounds contained in the air is reduced. Then, the air that has passed through the hollow portions w3 and c3 returns to the interior space R1 again in a state in which the volatile organic compounds are reduced. Therefore, even when finishing materials wf and cf with poor air permeability are used for the inner surfaces of the first partition members w1 and c1 facing the indoor space R1, the concentration of volatile organic compounds contained in the air in the indoor space R1 can be reduced to can be reduced. Therefore, it is possible to expand the range of selection of the finishing materials wf and cf used for the inner surface of the indoor space R1.

Further, in the present embodiment, of the two partition members w1 and w2 (or c1 and c2), at least the partition members w1 and c1 closer to the indoor space R1 than the cavities w3 and c3 have surfaces facing the cavities w3 and c3. It was configured to be capable of adsorbing or decomposing volatile organic compounds through By adopting such a configuration, it is sufficient to replace only the members facing the indoor space R1 with members that are capable of adsorbing or decomposing volatile organic compounds, which facilitates introduction into existing buildings.

Further, in the present embodiment, the partition members w1 and c1 on the side of the indoor space R1 are arranged so as to suppress the adsorption and decomposition of volatile organic compounds through the surfaces on the side of the indoor space R1 rather than the surfaces on the side of the cavities w3 and c3. configured to By adopting such a configuration, it is possible to suppress the volatile organic compounds adsorbed in the first partition members w1 and c1 from being released again directly into the indoor space R1.

Further, in this embodiment, the base material bm that fixes the two partition members w1 and w2 (or c1 and c2), or the frame structure included in the partition member, is configured to include a steel material. By adopting such a configuration, volatile organic compounds are not emitted from the base material bm and the frame frame, so the concentration of volatile organic compounds is lower than when wood or the like is used for the base material bm and frame frame. can be suppressed.

Further, in the present embodiment, the partitioning member includes the outer wall WL2 or the roof material containing the heat insulating material, and the hollow portion w3 of the outer wall WL2 or the roof material is arranged on the indoor space R1 side of the heat insulating material hw. Configured. By adopting such a configuration, it is possible to suppress the release of heat from the outer peripheral wall WL2 and the roof material, and promote the adsorption or decomposition of the volatile organic compounds at these sites.

In this embodiment, the partitioning member includes a partition wall WL1 that partitions the indoor space R1 and an adjacent indoor space (another space R2) adjacent to the indoor space R1, and the cavity w3 of the partition wall WL1 is , the interior space R1 is continuously surrounded. Adopting such a configuration promotes the circulation of air in the cavity w3, so that the adsorption or decomposability of the volatile organic compounds in the cavity w3 can be improved.

Further, in the present embodiment, the partitioning member includes the ceiling material CL positioned between the floors, and the partitioning member c2 on the side opposite to the indoor space R1 side across the cavity c3 in the ceiling material CL is made of a lightweight cellular concrete building material. configured to include By adopting such a configuration, the lightweight cellular concrete building material has a function of adsorbing volatile organic compounds. Concentration can be suppressed.

Further, in the present embodiment, the partitioning member includes the ceiling material CL positioned between the floors, and the beam supporting the partitioning member c2 on the side opposite to the indoor space R1 across the cavity c3 in the ceiling material CL is made of steel. It was configured to contain manufacturing materials. By adopting such a configuration, volatile organic compounds are less likely to be emitted from the beams supporting the partition member c2. Concentration can be suppressed.

In this embodiment, the partitioning member includes a partition wall WL1 that separates the indoor space R1 from an adjacent indoor space (another space R2) adjacent to the indoor space R1, and a ceiling material CL positioned between floors. The cavity w3 of WL1 and the cavity c3 of the ceiling material CL are configured to communicate with each other. By adopting such a configuration, the air can flow into the cavity w3 of the partition wall WL1, pass through the cavity c3 of the ceiling material CL, and return from the ceiling to the indoor space R1. Therefore, since the air can be moved over a long distance in the cavities w3 and c3, the concentration of the volatile organic compound in the air can be reduced by exposing it to the member having the ability to adsorb or decompose the volatile organic compound for a long time. can be suppressed.

Further, in this embodiment, the air circulation means is configured to have a plurality of openings a1 and a2 formed in the partition members w1 and c1 on the indoor space R1 side. By adopting such a configuration, the air in the indoor space R1 can flow out from one opening and can be returned to the indoor space R1 again from another opening spaced apart from the one opening. The air in R1 can be flowed over a wide range. Therefore, volatile organic compounds can be removed evenly from the air in the indoor space R1.

Further, in this embodiment, the plurality of openings are provided in the partition wall WL1 that separates the indoor space R1 and the adjacent indoor space (another space R2), and in the ceiling material CL located between the floors. . By adopting such a configuration, the air in the indoor space R1 can flow out from the opening a1 of the partition wall WL1, and can be returned to the indoor space R1 again from the opening a2 of the ceiling material CL separated from the opening a1. Therefore, the air in the indoor space R1 can be made to flow over a wider range. Therefore, volatile organic compounds can be removed evenly from the air in the indoor space R1.

Further, in the present embodiment, among the plurality of openings, the opening a1 provided in the partition wall WL1 is configured to be formed near the floor material FL of the indoor space R1 in the partition wall WL1. By adopting such a configuration, the opening a1 of the partition wall WL1 and the opening a2 of the ceiling material CL can be further separated, so that the air in the indoor space R1 can flow in a wider range. Therefore, volatile organic compounds can be removed evenly from the air in the indoor space R1.

Further, in the present embodiment, members having volatile organic compound adsorption or decomposability are arranged in the cavities w3 and c3. By adopting such a configuration, the concentration of volatile organic compounds in the indoor space R1 can be reduced without changing the materials of the partition wall WL1 and the ceiling material CL.

Further, in this embodiment, the air circulating means is configured to have fans arranged in the partition members w1, c1 or the cavities w3, c3 on the side of the indoor space R1. By adopting such a configuration, air can be efficiently circulated between the indoor space R1 and the cavities w3 and c3, and the concentration of volatile organic compounds in the indoor space R1 can be reduced.

Further, in the present embodiment, the air circulating means is arranged in the partition members w1 and c1 on the indoor space R1 side, and has an air outlet on the indoor space R1 side and an intake port on the cavity w3 and c3 side. configured to have By adopting such a configuration, there is no need to provide a fan to reduce the concentration of volatile organic compounds in the indoor space R1, and the air conditioner installed in the normal indoor space R1 can be used to control the indoor space R1. , and the cavities w3 and c3, the air can be efficiently circulated to reduce the concentration of the volatile organic compounds in the indoor space R1.

Although the present invention has been described with reference to the drawings and examples, it should be noted that various variations and modifications will be readily apparent to those skilled in the art based on this disclosure. Therefore, it should be noted that these variations or modifications are included within the scope of the present invention. For example, functions included in each component can be rearranged so as not to be logically inconsistent, and multiple components can be combined into one or divided.

For example, in the present embodiment, the partition wall WL1, the outer peripheral wall WL2, and the ceiling material CL are provided with the plurality of openings a1 and a2, respectively, but the present invention is not limited to this aspect. The plurality of openings a1 and a2 may be configured to be provided in any two of the partition wall WL1, the outer wall WL2, the ceiling material CL, the roof material, and the floor material facing the indoor space. In addition, a plurality of openings may be provided in the partition member of the same type, such as providing openings in the upper portion and the lower portion of the same partition wall WL1. Also, the openings may be configured to be provided at four or more locations.

1 Foundation structure 2 Upper structure 10 Perimeter foundation beam 12 Footing 100 Building CL Ceiling material FL Floor material GL Ground OT Other space R1 Indoor space R2 Other space (adjacent indoor space)
R3 Other space WL1 Partition wall WL2 Peripheral wall a1 Opening a2 Opening bm Base material c1 First partition member c2 Second partition member c3 Cavity cf Finishing material cp Ceiling panel ff Floor member hc Heat insulating material hw Heat insulating material w1 First Partition member w2 Second partition member w3 Cavity wf Finishing material wp Exterior panel

Claims (11)

A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The building, wherein the partitioning member includes an outer peripheral wall or a roof material containing a heat insulating material, and the hollow portion of the outer peripheral wall or the roof material is arranged on the indoor space side of the heat insulating material. A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The partition member includes a partition wall that partitions the indoor space and an adjacent indoor space adjacent to the indoor space, and the hollow portion of the partition wall continuously surrounds the indoor space in plan view. Characteristic building . A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The partitioning member includes a ceiling material located between floors, and the partitioning member on the side opposite to the indoor space side across the cavity in the ceiling material includes a lightweight cellular concrete building material and/or is made of steel. A building characterized by being supported by beams containing materials. A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The partitioning member includes a partition wall that partitions the indoor space from an adjacent indoor space adjacent to the indoor space and a ceiling material positioned between floors, and the hollow part of the partition wall and the hollow part of the ceiling material are: A building characterized by being interconnected . A building with an indoor space separated from other spaces by a partition member,
The partitioning member has a cavity and two partitioning members facing each other across the cavity,
At least one of the two partition members is capable of adsorbing or decomposing a volatile organic compound through the surface exposed in the cavity,
An air circulating means is provided for circulating air between the indoor space and the cavity,
The building, wherein the air circulating means includes an air conditioner arranged in a partition member on the side of the indoor space, having an air outlet on the side of the indoor space and an air intake on the side of the cavity. . 6. The partitioning member according to any one of claims 1 to 5, wherein at least the partitioning member closer to the indoor space than the cavity among the two partitioning members is capable of adsorbing or decomposing a volatile organic compound through a surface on the cavity side. The building described in item 1 . 7. The building according to claim 6 , wherein the partition member on the indoor space side suppresses adsorption and decomposition of volatile organic compounds through the surface on the indoor space side rather than the surface on the cavity side. 6. The building according to any one of claims 1 to 5 , wherein the base material fixing the two partition members or the framing frame included in the partition member includes a steel material. 6. The building according to any one of claims 1 to 5 , wherein the air circulation means has a plurality of openings formed in the partition member on the indoor space side. 6. The building according to any one of claims 1 to 5 , wherein a member having adsorption or decomposability of volatile organic compounds is arranged in said cavity. The building according to any one of claims 1 to 4 , wherein said air circulation means has a partition member on the indoor space side or a fan arranged in said cavity.

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