JP2008101462A - Extension building having cold/hot air circulation structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To add an air circulation structure for raising air conditioning efficiency of a building after an extension building is constructed, and enhance interior comfort and energy saving of the extension building. <P>SOLUTION: The extension building is constructed by removing a roof member from an existing building, installing a new wall member and a roof member to surround the outer circumference and the top of the existing building, the new wall member is extended from the existing building to a story extended above the existing building, a new floor member is installed on the ceiling member of the uppermost story of the existing building and a living space is formed between the new floor member and the new roof member. The side wall of the existing building comprises an indoor side wall substrate and a finishing board remaining after the exterior wall material and heat insulation material are removed. The new wall member comprises an exterior wall material and a heat insulation material disposed opposite to the wall substrate and the substrate board. A ventilation space is formed between the side wall of the existing building and the new wall material and between the ceiling member and the new floor member. A circulation unit for circulating hot/cold air to the ventilation space is installed in an attic space formed by the new roof member. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an extension building having a cooling / warming circulation structure, and an object thereof is to add a cooling / warming circulation structure when an existing building is extended, thereby achieving improvement in habitability and energy saving in the extension building. There is.

  2. Description of the Related Art Conventionally, there has been known a technique for improving the efficiency of cooling and heating by circulating air through a gap between an inner wall and an outer wall with a double wall structure. For example, such a technique is disclosed in Japanese Patent Application Laid-Open No. 11-211176. And JP-A-2001-65074.

However, the conventional techniques represented by the disclosed techniques of these publications are all intended for newly constructed houses, and application to extended houses has not been considered at all.
In other words, the conventional technology can be implemented for the first time by designing the ventilation space in the housing structure in advance from the design stage before construction, so that the space for ventilation is not designed. It cannot be applied as it is when an existing house that has been built is expanded.

  Thus, in the construction industry, attention has been paid only to the introduction of an air circulation structure in new buildings, and the idea of adding an air circulation structure when adding to an existing building is added. There was nothing at all.

JP 11-2111176 A JP 2001-65074 A

  The present invention has been made in view of such circumstances, and when adding an existing building, it is possible to add an air circulation structure for increasing the efficiency of air conditioning to the building after the extension, The purpose of the present invention is to provide an extension building having a cooling / warming circulation structure capable of achieving improvement in habitability and energy saving in the extension building.

  In the invention according to claim 1, a new wall member and a roof member are constructed so as to surround an outer periphery and an upper part of an existing building from which the roof member has been removed, and the new wall member is added to the existing building on the new building. A new floor member is provided above the ceiling member on the top floor of the existing building, and a living space is formed between the new floor member and the new roof member. The side wall of the existing building is composed of a wall base and a finishing board on the indoor side left after the outer wall material and the heat insulating material are removed, and the new wall member is the wall base and the base A heat insulating material and an outer wall material facing the board, and a ventilation space is formed between the side wall of the existing building and the new wall member and between the ceiling member and the new floor member, and the attic of the new roof member Circulating warm air and / or cold air in the ventilation space About build-building with cold warm circulation structure, characterized in that because of the circulation device is installed.

  According to a second aspect of the present invention, a hollow concrete block is laid on a floor member of the existing building, and the cavity of the block communicates with a ventilation space between a side wall of the existing building and a new wall member. The construction according to claim 1, wherein the building is configured to circulate warm air and / or cold air from the circulation device through a cavity of the block.

  The invention according to claim 3 is configured such that a photovoltaic power generation panel is installed above the new roof member, and the circulation device is driven by the electric power generated by the power generation panel. The present invention relates to an extension building having the cooling / heating circulation structure according to 1 or 2.

  As described above, according to the first aspect of the present invention, the air circulation structure for increasing the efficiency of air conditioning is an extension building that is an extension of an existing building that is not provided with an air circulation structure. It will be an extension building that can improve comfort and save energy.

  According to the invention which concerns on Claim 2, the heat exchange with the cold air or warm air which distribute | circulates ventilation space, and indoor air is performed effectively by the outer wall material and heat insulating material of the side wall of the existing building being removed. As a result, the efficiency of air conditioning can be greatly improved.

  According to the invention which concerns on Claim 3, while being able to add a cooling / warming circulation structure newly also to the part of the existing building in an extension building, the hollow concrete block which forms ventilation space passes through the inside. Since the heat of warm air can be stored, the effect of floor heating can be exerted on the floor of an existing building.

  According to the fourth aspect of the present invention, power is not consumed for driving the circulation device, and surplus power can be used for driving indoor electrical equipment. Combined with the effects of the circulation structure, it is possible to obtain an extension building that is energy-saving and has excellent habitability.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of an extension building having a cooling / heating circulation structure according to the invention will be described with reference to the drawings.
The present invention is characterized in that a cooling / warming circulation structure is added to a building after expansion when an existing building having no cooling / warming circulation structure is added, and in this respect, from the design stage. This is fundamentally different from a new building that has been previously considered to incorporate a cooling / heating circulation structure.

As an extension method of an existing building that forms the basis of the present invention, the method already disclosed by the present inventor in Japanese Patent Application Laid-Open No. 2000-282696 is used, and the present invention applies this extension method to a building after extension. To which a cooling / heating circulation structure is added.
In the following description of the present invention, an extension method that forms the basis of the present invention will be briefly described.

1 and 2 show the state of the building obtained by this extension method before and after the extension, respectively, and as shown in the figure, the roof member (roof hut assembly) (3) of the existing building (1) is shown. The extension building (2) is constructed by removing and constructing a new wall member (4) and roof member (5) so as to surround the outer periphery and upper part thereof.
Specifically, in this construction method, a support member (such as a steel column) whose upper end extends to above the roof member of the existing building is erected outside the side wall of the existing building, and the upper end of the support member After the new roof member is provided, the roof member of the existing building is removed, and then the floor member is provided on the uppermost ceiling member of the existing building from which the roof member has been removed. A new living space is formed above, and a new wall member is attached to the outside of the support member.
Since this method has already been disclosed in Japanese Patent Application Laid-Open No. 2000-282696, further explanation is omitted here.

  In addition, although the example of illustration shows the case where the existing building (1) is 2 stories and the building (2) after extension is 3 stories, in this invention, the existing building (1) is shown. ) Is a single-story building (2) is 2 stories or more, or existing building (1) is 3 stories and the building (2) is 4 stories or more It is also applicable to cases. Moreover, although the example of illustration has shown the detached house, it is also possible to apply to the apartment house called what is called a tenement house.

The present invention applies such an extension method to the building after the extension, and a cooling / warming circulation structure is added to the building after the extension, and FIG. 3 shows the building (2) after the extension to which the cooling / warming circulation structure is added. FIG. 4 is a diagram showing the internal structure in more detail.
In the present invention, in the extension method, the vertical ventilation space (7) is formed between the new wall member (4) and the side wall (6) of the existing building (1).
As shown in FIG. 5, the ventilation space (7) has an outer wall material (61) and a heat insulating material (62) on the side wall (6) of the existing building (1) before the new wall member (4) is provided. Are sequentially removed, leaving only the wall base and the finishing board on the indoor side, and then forming a new wall member (4) with a gap between the side wall (6).

  Thus, when forming the ventilation space (7), the outer wall material (61) and the heat insulating material (62) on the side wall (6) of the existing building (1) are removed, and this is indicated by a wavy arrow in FIG. As described above, heat exchange between the cold air or the warm air flowing through the ventilation space (7) and the indoor air is effectively performed, and the efficiency of the air conditioning can be greatly improved.

Moreover, in this invention, it is horizontal direction between the ceiling member (8) of the top floor of the existing building (1) from which the roof member (3) was removed, and the floor member (9) newly provided above it. The ventilation space (10) is formed.
When the ventilation member (10) is newly provided with a floor member (9) above the ceiling member (8) of the existing building in the extension method described above, the ceiling member (8) and the floor member (9) By forming a space between the two, this formed space can be used.
The horizontal ventilation space (10) communicates with the vertical ventilation space (7) as shown in the figure so that air can flow through each other.

Furthermore, in the present invention, a horizontal ventilation space (11) is also formed inside the existing building (1).
FIG. 6 is an explanatory view showing a method of forming the ventilation space (11).
The ventilation space (11) is formed by laying a hollow concrete block (13) on the floor member (12) of the existing building (1), and as shown in FIG. ) Function as an aeration space (11) that allows circulation of warm air or cold air. In addition, illustration of a cavity part (14) is abbreviate | omitted in FIG.
Thus, the hollow concrete block (13) that forms the ventilation space (11) not only functions as a passage through which warm air or cold air flows, but also functions as a heat storage material.
That is, since the hollow concrete block (13) can store the heat of warm air passing through the inside, the effect of floor heating can be exerted on the floor of the existing building (1).
When the existing building (1) has two or more floors, the direction of the hollow concrete block (13) may be changed (orthogonalized) for each floor as shown in the example, The same orientation may be used on the floor.

FIG. 8 is a cross-sectional view specifically showing the structure of the building (2) after the extension in which the ventilation space (11) is formed.
In the illustrated example, the hollow concrete block (13) is continuously laid on the floor members (12) on the first floor and the second floor of the existing building (1).
And the block (13a) of the edge part has protruded from the side wall (6) of the existing building (1) from which the outer wall material (61) and the heat insulating material (62) were removed, thereby, the hollow concrete block (13 ) Communicated with a vertical ventilation space (7) formed between the new wall member (4) and the side wall (6) of the existing building (1).
In the present invention, the hollow concrete block (13) may be communicated with the ventilation space (7) using a pipe or the like without protruding from the side wall (6).

In addition, in FIG. 8, (15) is the heat insulating material built in the new wall member (4), and by building the heat insulating material (15) in the new wall member (4) in this way, it is a building. Since heat radiation to the outside is suppressed, the efficiency of air conditioning can be further improved.
Further, as shown in the figure, a plate material (17) is installed so as to connect the base (16) of the existing building (1) and the new wall member (4), and the inside of the plate material (17) is also insulated. By comprising so that a material (18) may be provided, it becomes possible to improve the sealing property of ventilation space (7) more, and the efficiency of air conditioning can be improved further.
Although not shown, it is also possible to lay a heat insulating material under the hollow concrete block (13).
In addition, in FIG. 8, (19) is the existing foundation of the existing building (1), (20) is the extension base for erecting the supporting members (steel columns, etc.) of the building (2) after the extension. (21) is an underground beam of the building (2) after extension. Moreover, (22) is an existing pillar of the existing building (1), and (23) is an extension pillar (supporting member) of the extension building (2).

  In this invention, as shown in FIG.3 and FIG.4, the circulation apparatus which consists of an air conditioning apparatus (15) and a ventilation apparatus (16) is installed in the attic of the newly provided roof member (5), and this circulation is carried out. By driving the apparatus, warm air or cold air is circulated in the vertical and horizontal ventilation spaces (7), (10), and (11).

Furthermore, in this invention, as shown in FIG.3 and FIG.4, the battery (FIG. 3) which accumulates the electric power generated by the photovoltaic power generation panel (17) and this power generation panel (17) on the upper part of a novel roof member (5). It is preferable to install the circulation device by using the power generated by the power generation panel (17).
With this configuration, power is not consumed for driving the circulation device, and surplus power can be used for driving indoor electrical equipment. Combined with the effects of the circulation structure, it is possible to obtain an extension building that is energy-saving and has excellent habitability.

It is a figure which shows the state before extension of the extension building obtained by the extension method which makes the foundation of this invention. It is a figure which shows the state after extension of the extension building obtained by the extension method which makes the foundation of this invention. It is a figure which shows the building after the extension to which the cool / warm circulation structure was added by this invention. It is the figure which showed in detail the internal structure of the building after the extension to which the cooling / warming circulation structure was added by this invention. It is a figure which shows a mode that the outer wall material and heat insulating material of the side wall of the existing building are removed sequentially. It is explanatory drawing which shows the method of forming the horizontal ventilation space in the inside of the existing building. It is a figure which shows a mode that the cavity part of a hollow concrete block functions as a ventilation space which enables distribution | circulation of warm air or cold air. It is sectional drawing which shows concretely the structure of the building after the extension which formed the ventilation space.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Existing building 2 Extension building 3 Existing roof member 4 New wall member 5 New roof member 6 Side wall 61 of the existing building Outer wall material 62 of the side wall of the existing building 7 Insulation material 7 of the side wall of the existing building Ventilation space 8 Top ceiling member 9 of existing building New floor member 10 Horizontal ventilation space 11 Horizontal ventilation space 12 Floor member 13 of existing building Cavity concrete block 14 Cavity 15 Air conditioning system (circulation device) )
16 Ventilation device (circulation device)
17 Solar power generation panel

Claims (3)

A new wall member and a roof member are constructed so as to surround an outer periphery and an upper part of the existing building from which the roof member has been removed, and the new wall member is provided across the floor added to the existing building. A new floor member is provided on the top of the ceiling member on the top floor of the existing building, and a living space is formed between the new floor member and the new roof member,
The side wall of the existing building is composed of a wall base and a finishing board on the indoor side left after the outer wall material and the heat insulating material are removed, and the new wall member is a heat insulating material and an outer wall facing the wall base and the base board. A ventilation space is formed between the side wall of the existing building and the new wall member and between the ceiling member and the new floor member, and warm air and / or Alternatively, an extended building having a cooling / heating air circulation structure, wherein a circulation device for circulating cold air is installed.   A hollow concrete block is laid on the floor member of the existing building, and the cavity of the block communicates with a ventilation space between a side wall of the existing building and a new wall member, and from the circulation device The extended building having a cooling / warming air circulation structure according to claim 1, wherein the warm air and / or the cold air is circulated through the cavity of the block.   The cooling / heating air circulation according to claim 1 or 2, wherein a solar power generation panel is installed on an upper part of the new roof member, and the circulation device is driven by electric power generated by the power generation panel. An extension building with a structure.

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