JP2006242493A - Ventilator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a ventilator capable of preventing dust captured by a filter from dropping in an indoor side in cleaning the filter, and improving cleanability of the filter. <P>SOLUTION: In this ventilator wherein an air supply fan and a motor for driving the air supply fan are mounted in a main body frame, an air-supply air trunk is formed, and a filter unit is mounted in the air-supply air trunk for capturing dust or the like in the outside air, the filter unit is composed of the filter having the folding line direction in the lengthwise direction, and a container mounted at a lower portion of the filter for receiving the dust or the like dropping from the filter. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a filter structure of a ventilation device having a function of supplying air into a room.

  2. Description of the Related Art Conventionally, a filter structure of this type of ventilator is known which is characterized in that it can be inserted into and removed from the lower surface opening of the ventilator body (see, for example, Patent Document 1).

  Hereinafter, the filter structure will be described with reference to FIG.

As shown in the figure, a filter 103 is inserted into the inside of the ventilator main body 101 from the lower surface opening 102 so as to be detachable.
Japanese Utility Model Publication No. 64-44014 (microfilm of Japanese Utility Model Application No. 62-136882 (page 2, FIG. 1))

  However, in the conventional configuration, when the filter is pulled out from the main body for cleaning the filter, there is a problem that dust or the like captured by the filter spills into the indoor side.

  In addition, there is a problem that it is difficult to clean dust and the like captured by the filter.

  The present invention solves the above-described conventional problems, and prevents dust or the like captured by the filter from spilling into the room when cleaning the filter, and improves the cleaning performance of the filter to maintain the equipment performance. An object of the present invention is to provide a ventilation device that can be used.

  In order to solve the above-mentioned conventional problems, the ventilator of the present invention comprises a filter unit comprising a filter in which the fold direction is formed in the vertical direction and a container that is provided below the filter and receives dust and the like falling from the filter. It is characterized by that.

  With this configuration, dust remaining on the folds of the filter is reduced, and dust falling from the filter is received by the container.

  In the ventilator of the present invention, the filter unit is provided with a filter in which a pre-filter that captures large dust and the like in the outside air and a high-performance filter that captures fine dust and the like are arranged below the pre-filter. And a container for receiving dust and the like falling from the container. With this configuration, large dust or the like is captured by the pre-filter, so that dust or the like adhering to the high-performance filter can be reduced, and dust or the like falling from the pre-filter can be received by the container.

  In the ventilator of the present invention, the filter unit is provided upstream of the air supply fan. With this configuration, it is possible to prevent dust and the like from adhering to the air supply fan.

  In the ventilator of the present invention, the filter unit is provided in the vicinity of the main body outside air inlet of the supply air passage. With this configuration, it is possible to prevent dust and the like from entering and attaching to the inside of the main body.

  In the ventilation device of the present invention, the filter is detachably provided on a frame formed integrally with a dust receiving container. With this configuration, it is possible to replace only the filter in the filter unit.

  Moreover, the ventilation apparatus of this invention makes the dust receiving container part detachable from the frame. With this configuration, the dust container can be removed and cleaned, so that the narrow portion can be cleaned.

  In the ventilator according to the present invention, the filter frame is provided with a filter pressing portion in a direction orthogonal to the fold direction of the filter. With this configuration, the filter can be easily attached and detached by utilizing the deformation of the filter by expansion and contraction due to the fold of the filter.

  Moreover, the ventilation apparatus of this invention provides the protruding wall inward toward the opening part of the dust receiving container. With this configuration, even when the filter unit is tilted when it is removed from the main body, the captured dust or the like is not easily spilled from the dust receiving container.

  In the ventilation device of the present invention, the dust receiving container is formed of a transparent material. With this configuration, it is possible to visually confirm the degree of capturing dust and the like from the outside of the main body.

  According to the ventilator of the present invention, dust remaining on the folds of the filter is reduced, and dust falling from the filter is received by the container, so that the cleaning property can be improved.

  Further, according to the ventilator of the present invention, the filter provided on the upstream side can prevent dust and the like from adhering to the air supply fan, so that the air supply air volume can be maintained and the equipment performance can be maintained. .

  In addition, according to the ventilator of the present invention, it is possible to prevent the intrusion and adhesion of dust or the like into the inside of the main body, so that the main body can be extended in life and equipment performance can be maintained.

  Moreover, according to the ventilation apparatus of this invention, a filter can be replaced | exchanged easily regularly and apparatus performance can be maintained (Claim 5).

  Moreover, according to the ventilator of this invention, it becomes possible to remove a dust receptacle and to wash | clean to a narrow part, and can improve cleaning property (Claim 6).

  Moreover, according to the ventilation apparatus of this invention, a filter can be attached or detached easily, and the attachment or detachment property of a filter can be improved (Claim 7).

  Further, according to the ventilator of the present invention, dust can be prevented from spilling into the room during filter cleaning, and the room can be prevented from being soiled.

  In addition, according to the ventilator of the present invention, the degree of capturing dust or the like can be visually confirmed from outside the main body, and the cleaning time of the filter for maintaining performance can be easily grasped (claim 9).

  According to the first aspect of the present invention, an air supply fan and an electric motor for driving the air supply fan are provided in the main body frame to form an air supply air passage, and dust or the like in the outside air is formed in the air supply air passage. The filter unit includes a filter having a fold direction formed in a vertical direction and a container that is provided below the filter and receives dust and the like falling from the filter. This is a ventilator that reduces wind pressure when the operation is stopped or vibrations when the filter unit is removed, causing large dust particles to peel off from the filter surface and remain on the folds of the filter. Can be received by the container, and when cleaning the filter, dust can be prevented from spilling into the room and cleaning performance can be improved.

  According to the second aspect of the present invention, an air supply fan and an electric motor that drives the air supply fan are provided in the main body frame to form an air supply air passage, and dust or the like in the outside air is supplemented in the air supply air passage. A ventilation device provided with a filter unit, wherein the filter unit is provided below the pre-filter and a filter in which a pre-filter for capturing large dust in the outside air and a high-performance filter for capturing fine dust are arranged. It is a ventilation device characterized by consisting of a container that receives dust etc. falling from the filter, and since it captures large dust etc. with a pre-filter, it can reduce the residual dust etc. caught on the high performance filter, In addition, since the dust and the like that have fallen from the pre-filter are received in the container, the dust can be prevented from spilling into the room when cleaning the filter. It can be improved.

  The invention according to claim 3 is provided with the filter unit of the ventilation device according to claim 1 or 2 on the upstream side of the air supply fan, and can prevent adhesion of dust or the like to the air supply fan. The supply air volume can be maintained.

  According to a fourth aspect of the present invention, the filter unit of the ventilator according to the first or second aspect is provided in the vicinity of the main body outside air inlet of the supply air passage to prevent intrusion and adhesion of dust or the like into the main body. Therefore, the life of the main body can be extended.

  The invention according to claim 5 is the ventilation device filter according to claim 1 or 2 which is detachably provided on a frame integrally formed in the dust receiving container, and the filter can be replaced by removing it from the frame. Therefore, the filter can be replaced periodically, so that the performance can be maintained.

  The invention described in claim 6 is such that the dust receiving container portion is detachable from the frame of the ventilator according to claim 5, and the dust receiving container can be removed and cleaned, and the narrow portion is cleaned. Can be improved, and the cleaning property can be improved.

  The invention according to claim 7 is a filter frame of the ventilator according to claim 5 or 6 provided with a filter pressing portion in a direction perpendicular to the fold direction of the filter. The filter can be easily attached and detached, and the attachment and detachability of the filter can be improved.

  According to an eighth aspect of the present invention, the dust receiving container of the ventilator according to the fifth or sixth aspect is provided with a protruding wall toward the opening of the dust receiving container, so that the dust receiving container can be captured even if it is tilted. This makes it difficult for spilled dust and the like to spill out, prevents dust from spilling into the room when cleaning the filter, and prevents the room from becoming dirty.

  According to the ninth aspect of the present invention, the dust container of the ventilator according to the fifth or sixth aspect is formed of a transparent material, and the degree of trapping of dust or the like can be visually confirmed, and the filter is cleaned to maintain the performance. The time can be easily grasped.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

(Embodiment 1)
FIG. 1 is a perspective view of a ventilator according to Embodiment 1 of the present invention, and FIG. 2 is a schematic cross-sectional view at the center of the main body. As shown in FIGS. 1 and 2, the ventilator of the present invention is supplied into a box-shaped main body 2 installed so as to be inserted through an opening provided in a ceiling wall 1 in a living room and stored in the ceiling. An air fan 3 and an electric motor 4 for driving the air supply fan are provided. The side wall of the box-shaped main body 2 has a suction inlet 5 for air supply, and is connected to the duct 7 through the duct connection portion 6 to communicate with the outdoors. The main body 2 is provided with an air supply outlet 8 for ventilation with a room provided on the lower surface of the room, and the air supply outlet 8 has an air supply fan 3 therein. An air supply air passage is formed by communicating with an air supply inlet 5 provided on a side wall of the main body 2 through an air supply casing outlet 10 of the air supply casing 9, and dust in the outside air is formed in the vicinity of the air supply inlet 5. A filter unit 11 that captures etc. is provided, and the filter unit 11 can be pulled out from the indoor side.

  FIG. 3 is a perspective view showing the configuration of the filter unit 11. As shown in FIG. 3, the filter unit 11 has a fold direction folded in a bellows in order to increase the effective area of the filter. The filter 12 is formed and a dust receiving container 13 that is provided below the filter 12 and receives dust falling from the filter 12. The filter 12 and the dust receiving container 13 are detachably provided on the filter frame 14. The filter frame 14 is provided with a filter pressing portion 15 in a direction orthogonal to the fold of the filter 12, and a protruding wall 16 is provided inwardly at the opening of the dust receiving container 13. In addition, only the part which comprises the surface which provided the protruding wall 16 of the dust receiving container 13 may be made to attach or detach from the filter frame 14 (illustration omitted).

  The filter frame 14 and the dust receiving container 13 are made of a transparent material.

  In the above configuration, when the ventilator of the present invention is operated, outside air is supplied by the air supply fan 3 through the duct 7 through the air supply inlet 5 and through the filter 12 in the vicinity of the air supply inlet 5. The air is drawn into the casing 9 and supplied from the air supply casing 9 to the indoor side through the air supply casing outlet 10 provided on the lower surface of the main body.

  According to such a configuration, the fold of the filter 12 is set in the vertical direction so that dust or the like in the outside air captured by the filter 12 is less likely to be caught by the fold of the filter 12 and remain, and the dust receiving container provided below the filter 12. Since dust and the like are received at 13, the filter 12 can be prevented from spilling into the room when cleaning the filter 12, and the cleaning performance can be improved.

  Further, by providing the filter unit 11 upstream of the air supply fan 3, it is possible to prevent dust and the like from adhering to the air supply fan 3, to prevent a decrease in the air supply air volume, and in the vicinity of the air intake inlet 5. By disposing in, it is possible to prevent the intrusion and adhesion of dust or the like into the inside of the main body 2, so that the life of the main body 2 can be extended.

  Further, since the filter 12 is detachably provided on the filter frame 14, the filter 12 can be replaced, and the performance can be maintained because the filter 12 can be replaced periodically.

  Further, by providing the filter pressing portion 15 in the direction orthogonal to the fold direction of the filter 12 in the filter frame body 14, the filter 12 can be easily attached and detached by utilizing the expansion and contraction due to the fold of the filter 12. Can be improved.

  Further, by providing a projecting wall inward at the opening of the dust receiving container 13, the captured dust or the like is not easily spilled from the dust receiving container 13, and dust or the like is spilled into the room when cleaning the filter 12. This can prevent the room from getting dirty.

  Further, since the dust receiving container 13 is formed of a transparent material, it is possible to visually confirm the degree of trapping dust and the like, and it is possible to easily grasp the cleaning time of the filter for maintaining the performance, and the filter for cleaning. When the unit 11 is removed, the work is performed at a position above the line of sight, but the workability is improved because the inside is visible.

  In addition, since the dust container 13 is detachably provided on the filter frame, the dust container 13 can be removed and cleaned, so that even a narrow portion can be cleaned, and the cleaning performance can be improved. .

(Embodiment 2)
FIG. 4 is a perspective view showing the filter 12 according to Embodiment 2 of the present invention. As shown in FIG. 4, the filter 12 has a configuration in which a pre-filter 17 that captures large dust or the like in the outside air and a high-performance filter 18 that captures fine dust or the like are arranged.

  According to such a configuration, since large dust or the like is captured by the pre-filter 17, dust remaining on the high-performance filter 18 can be reduced, and further, dust or the like dropped from the pre-filter 17 can be received by the container 13. When cleaning the filter, it is possible to prevent spillage of dust and the like into the room and to improve the cleaning performance. Since the pre-filter 17 is provided, the fold direction of the high-performance filter 18 may not be the vertical direction.

The perspective view of the ventilator in Embodiment 1 of this invention Schematic cross-sectional view of the ventilation device The perspective view which shows the structure of the filter unit of the ventilation apparatus Perspective view of the filter using the pre-filter of the ventilation device Schematic sectional view showing a conventional ventilation device

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Ceiling wall 2 Main body 3 Supply fan 4 Electric motor 5 Supply inlet 6 Duct connection 7 Duct 8 Supply outlet 9 Supply casing 10 Supply casing outlet 11 Filter unit 12 Filter 13 Dust receiving container 14 Filter frame 15 Filter holding part 16 Projection wall 17 Pre-filter 18 High-performance filter

Claims (9)

A ventilation device in which an air supply fan and an electric motor that drives the air supply fan are provided in the main body frame to form an air supply air passage, and a filter unit that supplements dust and the like in the outside air is provided in the air supply air passage. The filter unit includes a filter having a fold direction formed in a vertical direction and a container that is provided below the filter and receives dust or the like falling from the filter. A ventilation device in which an air supply fan and an electric motor that drives the air supply fan are provided in the main body frame to form an air supply air passage, and a filter unit that supplements dust and the like in the outside air is provided in the air supply air passage. The filter unit is provided with a pre-filter that captures large dust in the outside air and a high-performance filter that captures fine dust and the like, and is provided below the pre-filter to receive dust falling from the filter. A ventilation device comprising a container. The ventilator according to claim 1 or 2, wherein the filter unit is provided upstream of the air supply fan. The ventilator according to claim 1 or 2, wherein the filter unit is provided in the vicinity of the main body outside air inlet of the supply air passage. The ventilator according to claim 1 or 2, wherein the filter is detachably provided on a frame integrally formed with the dust receiving container. The ventilation device according to claim 5, wherein the dust receiving container is detachable from the frame. The ventilation device according to claim 5 or 6, wherein a filter pressing portion is provided in the filter frame body in a direction orthogonal to the fold direction of the filter. The ventilator according to claim 5 or 6, wherein the dust receiving container is provided with a protruding wall inwardly at an opening of the dust receiving container. The ventilation device according to claim 5, 6 or 7, wherein the dust receiving container is formed of a transparent material.

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