JP2008107056A - Underfloor utilization air cleaning system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an underfloor utilization air cleaning system capable of easily performing maintenance work and replacement work of an air cleaning filter. <P>SOLUTION: A vertical extending first filter box 8 is disposed in an underfloor space 3 just blow an air suction port 4, an upper opening edge 8b of the first filter box 8 is connected with the corresponding air suction port 4, and a lower portion of the first filter box 8 is connected with a blower fan 14 in the underfloor space 3. Further a deodorizing filter 11 and a dust removing filter 12 are detachably disposed in the first filter box 8 into a habitable room 1 from the upper opening edge 8b. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an underfloor air cleaning system in which an air purifying filter for purifying air in a living room is disposed in an underfloor space.

Conventionally, a deodorizing device is provided under the floor of a room in a building, and a circulation air passage is provided to supply the air in the room to the deodorization device and return to the room after deodorization. A blower fan is provided in the middle of the circulation air passage. A living odor deodorizing system having the structure described above is known (for example, see Patent Document 1).
JP 2006-122261 A

  By the way, in this living odor deodorizing system, an inspection port is provided on the floor of the living room facing the deodorizing device. However, due to the structure of the deodorizing device, in order to perform maintenance work or replacement work of the deodorizing filter (air purifying filter) in the deodorizing device, it is necessary to enter the underfloor space, so that workability is poor.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an underfloor air cleaning system that can easily perform maintenance work and replacement work for an air cleaning filter.

  In order to achieve this object, according to the first aspect of the present invention, an air suction opening and an air blowing opening are provided in a floor of a living room, and a blower fan is disposed in a space under the floor of the living room. The suction side and the discharge side are respectively connected to the opening for air suction and the opening for air blowing, and an air purifying filter in the middle of the air passage from the air suction opening to the air blowing opening An underfloor air purification system in which a filter box extending vertically is disposed in the underfloor space so as to be positioned directly below at least one of the two openings, and an upper opening end of the filter box is The filter box is connected to the corresponding opening, the lower part of the filter box is connected to the blower fan, and the air cleaning filter is placed in front of the filter box. Characterized in that the underfloor utilizing air cleaning system that is detachably attached to the room from the upper open end.

  According to a second aspect of the present invention, in the underfloor use air cleaning system according to the first aspect, the filter box is positioned directly below the air suction opening and the air blowing opening, respectively. And the upper opening ends of the first and second filter boxes are connected to the air suction opening and the air blowing opening, respectively. Lower portions of the first and second filter boxes are connected to the suction side and the discharge side of the blower fan by linear ducts, respectively, and the air cleaning filter is located in at least one of the first and second filter boxes. It is characterized by being detachably disposed in the living room from the upper opening end.

  The invention of claim 3 is the underfloor air cleaning system according to claim 2, wherein the air cleaning filter is a deodorizing filter having a honeycomb structure disposed in the first filter box, and the deodorizing filter. It is a dust filter disposed on the upstream side, and the deodorizing filter is disposed in the first filter box so that air flows in a ventilation path extending in a direction orthogonal to the honeycomb cross section. And

  According to the first aspect of the present invention, since the air cleaning filter can be easily taken out from the filter box into the living room from the upper opening end, maintenance work and replacement work of the air cleaning filter can be easily performed. it can. The air cleaning filter may be at least one of a dust removal filter and a deodorization filter, or a combination thereof.

  According to the second aspect of the present invention, since the straight duct and the filter box can have a large air passage cross section, the pressure loss due to the air path resistance can be obtained by increasing the air duct cross section of the straight duct and the filter box. It is possible to provide an underfloor use air cleaning system that does not cause a loss of air flow.

  Furthermore, according to the invention of claim 3, the dust in the air in the living room sucked into the first filter box can be removed by the dust filter at a position close to the air suction opening. Dust does not adhere to the inner surface of the air passage. For this reason, it is possible to prevent an increase in the air path resistance on the inner surface of the air passage on the downstream side of the dust removal filter due to adhering dust. In addition, since the deodorizing filter is disposed in the first filter box so that air flows along the ventilation path of the honeycomb structure, the odor contained in the air can be reliably detected by the deodorizing filter without hindering the air flow. Can be deodorized.

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

  In FIG. 1, reference numeral 1 denotes a living room of a building in a residential building, 2 denotes a floor of the living room 1, and 3 denotes an under-floor space of the living room 1. In this underfloor space 3, an underfloor use air cleaning system A for purifying the air in the living room 1 is disposed. This underfloor use air cleaning system A is configured as follows.

  That is, on the upper side of the opposite edges of the floor 2 of the living room 1, as shown in FIG. 2, the air suction port (opening for air suction) 4 and the air outlet of the underfloor air cleaning system A (Air blowing openings) 5 are respectively formed. Further, the floor 2 has a box fitting portion 4b that is connected to the air inlet 4 and has a smaller opening than the air inlet 4, and a box that is connected to the air outlet 5 and has a smaller opening than the air outlet 5. A fitting portion 5b is formed. Reference numeral 3a denotes a base surface at the bottom of the underfloor space 3.

  The air inlet 4 and the air outlet 5 are closed and covered by the inlet side louver 6 and the outlet side louver 7, respectively. Further, step surfaces 4a and 5a are formed between the air inlet 4 and the box fitting portion 4b and between the air outlet 5 and the box fitting portion 5b, respectively. In addition, the suction side louver 6 is detachably mounted on the stepped surface 4 a so that the upper surface is flush with the upper surface of the floor 2. Similarly, the blow-off side louver 7 is detachably mounted on the step surface 5a so that the upper surface is flush with the upper surface of the floor 2.

  The suction side louver 6 and the blowout side louver 7 can be detachably fixed on the step surfaces 4a and 5a by fixing means (not shown).

  Further, in the underfloor space 3, a first filter box 8 is disposed directly below the air inlet 4, and a second filter box 9 is positioned directly below the air outlet 5. It is arranged.

  The first filter box 8 extends vertically, and an upper end portion 8a is fitted and fixed in the box fitting portion 4b. Thereby, the upper opening end 8 b of the first filter box 8 is connected to the air suction port 4. The second filter box 9 also extends vertically, and the upper end portion 9a is fitted and fixed in the box fitting portion 5b. Thus, the upper opening end 9 b of the second filter box 9 is connected to the air outlet 5.

  A filter support member 10 is fixed to an intermediate portion in the vertical direction of the first filter box 8. An L-shaped angle is used for the filter support member 10.

  And the peripheral part of the deodorizing filter 11 as an air cleaning filter is detachably mounted on this filter support member 10, and on the upper surface (upstream surface) of this deodorizing filter 11, the air cleaning filter The dust removal filter 12 is stacked. A slight gap S is provided between the dust filter 12 and the suction side gallery 6. Further, the dust removal filter 12 may be configured to be detachably mounted on the deodorization filter 11 or may be laminated and fixed on the deodorization filter 11.

  For example, as shown in FIG. 3, the deodorizing filter 11 is formed of activated carbon or the like in a honeycomb structure, and the dust removal filter 12 is a breathable paper filter sheet or a breathable woven cloth or A nonwoven fabric or the like is used.

  In addition, the deodorizing filter 11 has an air passage 11a extending in a direction orthogonal to the honeycomb cross section as shown in FIG. The first filter box 8 so that the air that has passed through the dust removal filter 12 flows in the ventilation path 11a (hole in the direction perpendicular to the cross-sectional direction) of the deodorization filter 12 as indicated by the arrow A1 in FIG. It is arranged in the inside.

  The ventilation path 11a has a cross-sectional shape with an inscribed circle of, for example, about 5 mm, so that the resistance of the flowing air is small and the deodorizing effect can be sufficiently exhibited. Moreover, the cross-sectional shape of the honeycomb structure (the cross-sectional shape of the ventilation path 11a) is not limited to a hexagon, and may be a polygon such as a triangle, a quadrangle, or a pentagon. Reference numeral 13 denotes a blowing space (a part of the blowing path) formed in the lower part of the first filter box 8.

  A blower fan 14 is disposed in the underfloor space 3 so as to be positioned approximately in the middle between the first and second filter boxes 8 and 9. The suction side of the blower fan 14 is connected to the lower end of the blower space 13 of the first filter box 8 via a linear air suction duct 15. The discharge side of the blower fan 14 is connected to the lower end portion of the second filter box 8 via a linear air blowing duct (blower duct) 16.

  Next, the operation of the underfloor air cleaning system A having such a configuration will be described.

  When the blower fan 14 of the underfloor air cleaning system A is operated, the air in the living room 1 enters the gap S in the upper part of the first filter box 8 through the suction side louver 6 as shown by the arrow A2. Inhaled.

  The sucked air passes through the dust removing filter 12 and the deodorizing filter 11 and flows into the air blowing space 13 as indicated by an arrow A2. At this time, dust contained in the air is collected by the dust removal filter 12, and the odor transmitted through the dust removal filter 12 together with the air is deodorized by the activated carbon of the deodorization filter 11 while flowing in the ventilation path 11 a of the deodorization filter 11. The air thus dedusted and deodorized and purified is sucked into the blower fan 14 through the air suction duct 15 as indicated by the arrow A2.

  On the other hand, the cleaned air is blown out from the blower fan 14 to the air blowing duct 16 as indicated by the arrow A3, and then flows into the second filter box 9 and finally from the blowing side gallery 7 to the room. 1 is blown out. The air blown into the living room 1 flows as indicated by the arrows A4 and A5, and the dust in the living room 1 is removed while circulating again as indicated by the arrows A2 and A3. The odor is deodorized.

  In the underfloor air cleaning system A described above, the dimensions of the louvers 6 and 7 are 150 mm in length and 300 mm in width. The first and second filter boxes 8 and 9 have a length of 142 mm, a width of 292 mm, and a height of 450 mm. Further, the suction duct 15 and the blowout duct 16 have a diameter of 150 mm.

  The deodorizing filter 11 has a length of 140 mm, a width of 290 mm, and a height of 150 mm. Further, the dust filter 12 has a length of 140 mm, a width of 290 mm, and a height of 30 mm.

  Note that these dimensions are merely examples, and are not necessarily limited to these values.

(Experimental example)
Moreover, the effect of air purification when the experimental conditions and the specifications of the test object deodorizing apparatus are set as follows in the above-described dimensions will be described.
(Experimental conditions)
・ Odor generated: Odor TS of tobacco Tb (see Fig. 1)
・ Room 1 area: 259m ²
・ Volume of room 1: 53.1m ³
-Odor generation point (point): floor surface of the central part of the living room 1 (specifications of the test deodorization device)
(1) Under-floor use air cleaning system A of this specification
・ Blowing capacity of the blower fan 14 is 200m ³ / h
・ Each part has the above-mentioned dimensions (2) Conventional specifications The specifications are such that both sides of the deodorizing device are connected to galleys 6 and 7 with small-diameter ducts, and the air flow rate is 150 m ³ / h.
(3) Home appliance deodorizer Air flow rate is 1800m ³ / h (rapid operation)
Under such experimental conditions and specifications of the test object deodorization apparatus, the test results are as shown in FIG. That is, as can be seen from FIG. 4, when the cleaning of the air was started, the odor that was between 3000 and 4000 at the initial stage decreased with the passage of time. The cleaning system A was able to perform deodorization most effectively. Incidentally, the odor generated from the animal Am such as a dog or cat in FIG. 1 is similarly deodorized.

[Modification]
Moreover, although the example which arrange | positioned the deodorizing filter 11 and the dust removal filter 12 in the 1st filter box 8 was shown in the Example mentioned above, it is not necessarily limited to this.

  For example, as shown in FIG. 5, the deodorizing filter 11 and the dust removing filter 12 can be disposed in the second filter box 9. Further, as shown in FIG. 6, the dust filter 12 can be disposed in the first filter box 8, and the deodorizing filter 11 can be disposed in the second filter box 9.

  As described above, in the underfloor air cleaning system A according to the embodiment of the present invention, an air suction opening (air suction port 4) and an air blowing opening (air blowout port 5) are provided in the floor 2 of the living room 1. And a blower fan 14 is disposed in the underfloor space 3 of the living room 1. Further, the suction side and the discharge side of the blower fan 14 are respectively connected to the air suction opening (air suction port 4) and the air blowout opening (air blower outlet 5), and the air suction port Air purifying filters (deodorizing filter 11 and dust removing filter 12) are disposed in the middle of the air passage from the opening (air inlet 4) to the air blowing opening (air outlet 5). In addition, the filter box (at least one of the first and second filter boxes 8 and 9) extending vertically is positioned directly below at least one of the openings (the air suction port 4 and the air outlet 5), so that the underfloor space is provided. 3, the upper opening end (one of 8b, 9b) of the filter box (one of the first and second filter boxes 8, 9) corresponds to the opening (air inlet 4, air One of the air outlets 5) is connected, and the lower part of the filter box (first and second filter boxes 8, 9) is connected to the blower fan 14. Further, the air purifying filter (deodorizing filter 11, dust removing filter 12) is detachable from the upper opening end into the living room in the filter box (at least one of the first and second filter boxes 8, 9). It is arranged.

  According to this configuration, the air purifying filter (deodorizing filter 11 and dust removing filter 12) has an upper opening end (8b, 9b) from the filter box (at least one of the first and second filter boxes 8, 9) into the living room 1. Therefore, maintenance work and replacement work of the air cleaning filter (deodorizing filter 11, dust removing filter 12) can be easily performed. The air cleaning filter may be at least one of a dust removal filter and a deodorization filter, or a combination thereof.

  Further, in the underfloor air cleaning system according to the embodiment of the present invention, the filter box is disposed in the underfloor space so as to be positioned directly below the air suction opening and the air blowing opening. First and second filter boxes 8 and 9. Moreover, the upper opening ends 8b and 9b of the first and second filter boxes 8 and 9 are connected to the air suction opening (air suction port 4) and the air blowing opening (air blowout port 5), respectively. The lower portions of the first and second filter boxes 8 and 9 are connected to the suction side and the discharge side of the blower fan 14 by linear ducts (15 and 16), respectively. Further, the air purifying filter (deodorizing filter 11, dust removing filter 12) is placed in at least one of the first and second filter boxes 8, 9 from the upper opening end (one of 8b, 9b) into the living room 1. It is detachably arranged.

  According to this configuration, since the straight ducts (15, 16) and the filter box (8, 9) can have a large air passage cross section, the air duct cross section of the straight duct and the filter box can be taken large. It is possible to provide an underfloor air cleaning system that reduces pressure loss due to road resistance and does not cause loss of air flow.

  Furthermore, in the underfloor air cleaning system according to the embodiment of the present invention, the air cleaning filter is disposed in the first filter box 8 and has a honeycomb structure deodorizing filter 11 and an upstream side of the deodorizing filter 11. The deodorizing filter 12 is disposed in the first filter box 8 so that air flows in the ventilation path 11a extending in a direction orthogonal to the honeycomb cross section.

  According to this configuration, the dust in the air in the living room 1 sucked into the first filter box 8 can be removed by the dust filter 12 at a position close to the air suction opening (air suction port 4). No dust adheres to the inner surface of the air passage on the downstream side of 12. For this reason, it is possible to prevent the air passage resistance on the inner surface of the air passage on the downstream side of the dust removal filter 12 from increasing due to the dust that adheres. Moreover, since the deodorizing filter 11 is disposed in the first filter box 8 so that the air flows in the air passage 11a having the honeycomb structure, the odor contained in the air is deodorized without hindering the air flow. The filter 11 can reliably deodorize.

It is a schematic explanatory drawing of a building provided with the underfloor use air cleaning system concerning this invention. It is a principal part expanded sectional view of the underfloor use air cleaning system of FIG. It is a partial expanded sectional view which shows an example of the deodorizing filter of FIG. It is a deodorizing performance figure which shows the experiment example (test example) in the Example of the underfloor utilization air cleaning system which concerns on this invention. It is explanatory drawing which shows the modification of the underfloor utilization air cleaning system which concerns on this invention. It is explanatory drawing which shows the other modification of the underfloor utilization air cleaning system which concerns on this invention.

Explanation of symbols

A ... Under-floor air cleaning system 1 ... Living room 2 ... Floor 3 ... Under-floor space 4 ... Air inlet (opening for air suction)
5 ... Air outlet (opening for air outlet)
8 ... 1st filter box 8b ... Upper opening end 9 ... 2nd filter box 9b ... Upper opening end 11 ... Deodorizing filter (filter for air purification)
12 ... Dust removal filter (air cleaning filter)
14 ... Blower 15 ... Air suction duct 16 ... Air outlet duct

Claims (3)

An air suction opening and an air blowing opening are provided in the floor of the living room, and a blower fan is disposed in the space under the floor of the living room, and the suction side and the discharge side of the blower fan are the air suction opening and the air blowing. And an underfloor use air cleaning system in which an air cleaning filter is disposed in the middle of an air blowing path from the air suction opening to the air blowing opening.
A filter box extending vertically is disposed in the underfloor space so as to be positioned directly below at least one of the two openings, and an upper opening end of the filter box is connected to the opening corresponding to the filter box. An underfloor air cleaning system characterized in that a lower part is connected to the blower fan, and the air cleaning filter is detachably disposed in the filter box from the upper opening end in the living room. .   2. The underfloor air cleaning system according to claim 1, wherein the filter box is disposed in the underfloor space so as to be positioned directly below the air suction opening and the air blowing opening, respectively. The first filter box is a second filter box, and the upper opening ends of the first and second filter boxes are connected to the air suction opening and the air blowing opening, respectively. Are connected to the suction side and the discharge side of the blower fan by linear ducts, respectively, and the air cleaning filter is placed in at least one of the first and second filter boxes from the upper opening end to the living room. An underfloor use air cleaning system characterized by being detachably disposed.   3. The underfloor air cleaning system according to claim 2, wherein the air cleaning filter includes a honeycomb structure deodorizing filter disposed in a first filter box and a dust removing filter disposed upstream of the deodorizing filter. In addition, the deodorizing filter is disposed in the first filter box so that air flows through a ventilation path extending in a direction orthogonal to the honeycomb cross section.

Images