JP3074312U - Supply structure of detached houses - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To efficiently purify and dehumidify outside air supplied into a house from an air supply pipe buried underground to a preferable state. SOLUTION: The air purifying means is composed of a case body and a porous purifying material. One end opening of the air supply pipe buried underground is arranged at the lower end of the purification means, and the other end opening of the air supply pipe is exposed on the ground at an appropriate position in the site. Purifying material is
In some cases, two or more particle sizes are provided and the particles are evenly arranged within the layer thickness of the purifying material.

Description

[Detailed description of the invention]

[0001]

[Industrial applications]

 The present invention relates to a ventilation system for a single-family house, particularly to a structure of an air supply portion using an air supply pipe buried underground.

[0002] Residential ventilation systems are divided into various types depending on whether forced fans are used for air supply and exhaust. 7 (a) to 7 (e) show general types of ventilation systems, and the air supply structure according to the present invention is a forced exhaust fan or an air supply system in a house (including a space under the floor). It is particularly effective in ventilation systems of the type with a fan (eg a, c).

[0005] Recently, a system has been proposed in which dirt of indoor air is detected by a sensor and an exhaust fan is started when the degree of dirt becomes equal to or more than a certain level. The detected air stains are, for example, smoke from cigarettes, carbon dioxide, and water vapor during cooking, and are detected by a smoke sensor, a gas sensor, etc., and when the detection result exceeds a set threshold value, the exhaust air is exhausted. Drive the fan. Such a ventilation system has an advantage that power costs can be reduced because the exhaust fan is turned on and off according to the degree of contamination of the indoor air.

However, when the exhaust fan is driven in this way, an amount of outside air corresponding to the forced exhaust is supplied into the room, and in a cold region such as Hokkaido, heat loss is severe in winter and comfort is impaired. Problem. For this reason, systems that reduce heat loss by providing a heating means on the air supply side have been conventionally proposed.

For example, in Japanese Patent Application Laid-Open No. 5-256485, the outside air temperature is detected by a sensor, and when the outside air temperature is low, heated air is supplied by switching a damper. However, in the configuration in which the air supply damper is switched to the motor, the cost of the apparatus is increased, and failures such as the freezing of the movable parts in the severe winter are likely to occur.

On the other hand, in order to further simplify the ventilation system of a residential house, fresh air is sent under the floor from an air supply pipe for introducing outside air using negative pressure inside the house by a forced exhaust fan. There are known systems for embedding. In the case of this technology, the air supply pipe may be buried underground, taking into account the heat of the introduced outside air. This is for supplying warm air in winter and cool air in summer. Examples of such techniques include those described in JP-A-09-324944 and JP-A-11-101475. In each case, the air supply pipe is buried underground, and the temperature of the outside air is adjusted using geothermal energy.

On the other hand, as a concept of a ventilation system, there is a technique of arranging charcoal powder or activated carbon under a floor to purify and dehumidify air. Traditionally, this type of ventilation system has laid charcoal powder or activated carbon on the ground below the floor.

[0008]

[Problems to be solved by the invention]

 The problem is that when introducing outside air using the underfloor space, the purification efficiency of the outside air is not improved to a desirable extent.

As described above, if the air supply pipe is buried underground, the temperature of the introduced outside air can be kept almost constant in summer and winter, and the heating efficiency and cooling efficiency can be increased. However, if only charcoal or activated carbon is laid on the floor base, the introduced outside air simply flows on those surfaces and flows into the living room, and the contact time is short, and the amount of air that can be contacted is several Just a cent.

[0010] If the air supply pipe is buried under the ground, favorable temperature control can be performed, but it does not purify dirty air and does not perform humidity control. Even if air purifying material is laid under the floor, its effect is limited.

[0011] Therefore, an object of the present invention is to efficiently purify the outside air supplied into a house from an air supply pipe buried underground to a preferable state, and to enable dehumidification.

[0012]

[Means for Solving the Problems]

 In order to achieve the above object, the air supply structure of a detached house according to the present invention is configured such that the air purifying means includes a case body and a purifying material loaded inside the case body. And at least one of charcoal and activated carbon, wherein one end opening of the air supply pipe is arranged at a lower end position inside the case body constituting the purifying means, and the air supply pipe is The other end of the opening is exposed on the ground at an appropriate position on the site.

[0013] One end opening of the air supply pipe is guided and arranged inside the case body constituting the purifying means, and an air supply fan device is arranged near the opening, and the other end of the air supply pipe is opened. It is desirable to arrange the mouth at a position in the premises farthest from one end opening. In addition, the air supply pipe buried under the ground may have a substantially waveform shape on a plane.

The purifying material to be loaded into the case body may have two or more particle sizes, and may be evenly disposed within the thickness of the purifying material. Further, the size of the purifying material may be sequentially arranged in a large or small hierarchy for each size.

[0015]

[Action]

 According to the air supply structure of the present invention, 100% of the outside air introduced from the air supply pipe flows into the living room through the purifying material loaded in the case body. Purifying materials include charcoal and activated carbon. Therefore, the dirty components in the air are reliably adsorbed, and the moisture is dehumidified.

It is desirable that the one end opening of the air supply pipe for guiding the inside of the case body constituting the purifying means be set downward. Secondly, it is to prevent the purifying material from entering the opening and to cause clogging. The outside air flowing out from the downward opening reverses upward according to the negative pressure inside the house, flows longer through the purification material, and is guided to each room. If a fan device for air supply is provided near the opening of the air supply pipe, it is possible to force clean air into the room regardless of whether the house is under negative pressure or not.

The reason why the air supply pipe buried under the ground is formed in a substantially wave-like shape in a plane is to extend the distance from one end opening to the other end opening to the maximum within a limited site area. This enhances the ability to heat the outside air in winter and cool it in summer.

Further, in the relationship between the air permeability and the breathability of the purifying material in the purifying material, it is necessary to design the porous purifying material such that the particle size is clearly different from that of the porous material, rather than having a uniform particle size. May be advantageous.

[0019]

[Embodiment of the invention]

 FIG. 1 shows an example of an air supply structure of a detached house according to the present invention. In this air supply structure, fans 21 and 22 for forced exhaust are provided at appropriate places in the rooms 11 and 12 of the house 10, while the underfloor 14 and the room 11 on the first floor and the room 11 on the first floor and the room on the second floor are provided. Ventilation ports 24 and 25 are provided to spatially communicate with each other, and a purifying material 18 put in a case body 16 is provided under the floor 14. The ventilation holes 24, 25 are provided on the floors 27, 28 on the first and second floors, and are preferably constituted by short pipes of a predetermined length and decorative grilles covering the openings. 70 is an air supply fan device.

On the other hand, an air supply pipe 30 is buried under the ground G in the site, and one opening 32 of the air supply pipe 30 is set up at a position farthest from the house 10 so as to be located above the ground G. Open. Reference numeral 31 denotes a rising portion in which the air supply pipe 30 extends substantially vertically at an appropriate position. Since the opening 32 is arranged outdoors, it is preferable to design the opening 32 so that its opening surface faces downward. This is to prevent rain and snow from entering. It is also desirable to provide an appropriate filter to prevent insects and garbage from entering. D is a tree.

The other opening 35 of the air supply pipe 30 is located at a lower portion of the case body 16 loaded with the purifying material 18. The opening 35 is desirably designed so as to face downward with the tip of the rising portion 36 of the air supply pipe 30 folded back as shown in FIG. 2, for example. This is to prevent the cleaning material 18 from entering the opening 35. 37 is an arm tube extending in the lateral direction.

The shape of the case body 16 is not limited. However, in consideration of the passage path of the outside air W flowing from the opening 35 into the purification material 18, even if it is designed to be excessively large in the lateral direction, it is meaningless as long as the chance of contact between the outside air W and the purification material 18 does not increase. Absent. On the other hand, the height H of the case body 16 should be designed large if the chance of contact between the outside air W and the purifying material 18 is maintained at a certain probability or higher. This is because the total amount of the purifying material 18 increases, and the efficiency of dehumidification and air purification (adsorption of automobile exhaust gas, etc.) increases.

In a normal house 10, the height of the floor 14 is limited to a substantially constant height. Therefore, for example, as shown in FIG. 3, the place where the case body 16 is arranged may be depressed and formed as necessary, and the case body 16 may be installed in the concave portion 50 to increase the height H of the case body 16. . The height H is set, for example, to around 30 to 100 cm. However, if the height H is excessively large, the air permeability may be deteriorated, and the effect may be impaired.

The air supply pipe 30 buried underground may be formed by connecting a straight pipe as shown in FIG. 4, or may be formed by connecting a plurality of elbow pipes as shown in FIG. You may arrange | position so that it may show a shape. Depending on the conditions of the outside temperature, straight pipes may be used in areas with mild climate even if the burial depth is shallow. However, in a cold region with a deep freezing depth, if the buried depth of the air supply pipe 30 is small, a sufficient geothermal heating effect may not be obtained in a severe winter season. In such a case, it is preferable to arrange the air supply pipe 30 in a wave shape as shown in FIG.

According to such an air supply structure, the outside air W introduced from the opening 32 can be guided into the purifying material 18 under the floor 14 and supplied to the living rooms 11 and 12. Since the outside air W flows out of the opening 35 disposed below the purifying material 18, the contact efficiency between the outside air W and the purifying material 18 is extremely good, and the effect of purifying and dehumidifying the outside air W is maximized.

The number of the openings 32 and 35 is not limited. This is because it is necessary to introduce an appropriate amount of air into the house according to the space volume of the house 10. In this case, in order to increase the number of the openings 32 and 35, for example, a branch pipe may be provided, or one or more holes may be formed on the side surface of the rising portion 31 or the lower surface of the arm pipe 37. When a large number of openings 35 are provided in the cleaning material 18 in the horizontal direction, the case body 16 may of course be designed to be large on the front, rear, left and right planes.

The case body 16 may be made of any material such as metal, resin, and wood. In these cases, since the bottom and side surfaces have low air permeability, it is preferable to provide an opening on the upper surface and allow air to flow into the room from the opening. When the case body 16 is formed of a gas-permeable material such as linen cloth, it is not necessary to provide an opening on the upper surface.

The air permeability depends on the correlation between the height H of the case body 16 (the amount of the purifying material 18) and the particle size of the purifying material 18. The larger the particle size, the better the air permeability, but the smaller the contact area between the outside air W and the purifying material 18, the worse the smaller the particle size, the worse the air permeability. The contact area increases. Therefore, a plurality of sizes of the purifying material 18 may be prepared and mixed.

Further, for example, as shown in FIG. 6, the particle size of the purifying material 18 can be changed and used. Preferably, a first layer 18-1 having a large particle size, a second layer 18-2 having a medium particle size, and a third layer 18-3 having a small particle size are provided. The layer thicknesses L1 to L3 may be uniform, but when the height H of the case body 16 is sufficiently large, it is desirable to sequentially reduce the layer thickness. The outside air W coming out of the opening 35 can freely pass through the first layer 18-1 and the second layer 18-2 having a high porosity, and the third layer 18-3 having a small porosity is also thin. This is because they can pass relatively easily.

The size of the particle size of the purifying material 18 provided in the first to third layers may be reversed. The first layer has a small particle size, the second layer has an intermediate particle size, and the third layer has a large particle size. The advantage in this case is that since the particle size is larger in the upper layer, the breathability of the porous purifying material (charcoal, activated carbon, porous stone) for respiration is guaranteed, and the performance of the purifying material 18 for a longer period of time. Is maintained. The difficulty is that the finest particles in the lowermost layer (first layer) are placed in the most severe operating conditions, leaving the possibility that the purification function of the entire purification material may not work evenly. Therefore, in this case, there is a possibility that maintenance is required in a relatively short cycle.

[0031]

[Effect of the invention]

 As described above, according to the air supply structure of the detached house according to the present invention, the outside air supplied into the house from the air supply pipe buried underground is efficiently purified and dehumidified to a preferable state. Can be done.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating an embodiment of an air supply structure according to the present invention.

FIG. 2 is a diagram illustrating a positional relationship between an air supply pipe and a purifying material according to the present invention;

FIG. 3 is a view exemplifying an arrangement structure of a case body according to the present invention;

FIG. 4 is a diagram illustrating an example of an air supply pipe underground buried according to the present invention.

FIG. 5 is a diagram showing another example of the underground state of the air supply pipe according to the present invention.

FIG. 6 is a diagram illustrating a hierarchical structure of the particle diameter of the purification material according to the present invention.

FIG. 7 is a diagram exemplifying types of ventilation systems of a house.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 House 11,12 Living room 14 Under floor 16 Case body 18 Purifying material 18-1 First layer of purifying material 18-2 Second layer of purifying material 18-3 Third layer of purifying material 21,22 Fan 24,25 Vent 27, 28 floor 30 air supply pipe 32, 35 opening 31, 36 rising part 37 arm pipe 50 concave part 70 fan device D tree G ground H height L1-L3 layer thickness W outside air

Claims (5)

[Utility model registration claims] A forced exhaust fan disposed at an appropriate place in a house, air purifying means disposed in an underfloor space, and an air supply pipe disposed beneath the ground; A purifying material loaded inside the case body, the purifying material is a porous substance, and includes at least one of charcoal and activated carbon. The air supply structure for a single-family house, wherein the air supply pipe is disposed at a lower end position inside the case body and the other end opening of the air supply pipe is exposed on the ground at an appropriate position in the site. 2. An air supply pipe having one end opening guided and arranged inside a case body constituting a purifying means, and an air supply fan installed near the opening, while the other end of the air supply pipe is provided. The air supply structure for a single-family house according to claim 1, wherein the opening is disposed at a position in the site farthest from the one end opening. 3. The air supply structure for a single-family house according to claim 1, wherein the air supply pipe buried under the ground has a substantially waveform shape in plan. 4. The single unit according to claim 1, wherein the purifying material to be loaded into the case body has two or more particle sizes, and is evenly arranged within the thickness of the purifying material. Air supply structure of built houses. 5. The purifying material to be loaded in the case body is provided with two or more particle sizes, each having a particle size within the layer thickness of the purifying material. Item 3. An air supply structure for a detached house according to item 3.