JPH11248211A - Ventilation hole with filter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To retain efficient indoor air environment by easily replacing a filter, diluting various indoor air contaminants, and using filtering/suction functions together. SOLUTION: In a ventilation hole with a filter, a filter 6 for blocking an entire air passage 5 is detachably provided at an inner wall side 1b of a ventilation hole 2 for communicating the inside and outside a room, and the filter 6 is formed to be a dust-collecting/antimicrobial (sterilization) filter, a dust- collecting/deodorizing filter, a dust-collecting/antimicrobial/deodorizing filter, or a dust-collecting/antimicrobial/deodorizing/VOC-absorbing filter.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation hole for performing natural ventilation by communicating indoor and outdoor air in a building, and in particular, a filter is attached to the ventilation hole to maintain the indoor air environment. Regarding ventilation holes with filters.

[0002]

2. Description of the Related Art In recent years, indoor spaces in buildings have been further improved in airtightness and heat insulation, and diversification of lifestyles has been combined with this. As a result, various pollution problems in rooms have appeared. I have.

As the environmental pollution of indoor air, gaseous pollutants such as general toxic gas and odor, and particulate pollutants such as dust, fibrous particles, pollen, mold, mite, and the like are known.
The sources are broadly classified into those that originate from building materials, those that originate from various living activities, and those that invade from the outside.

As a countermeasure against this pollution problem, generally,
A forced-ventilation system has been implemented to forcibly supply outdoor air or ventilate the indoor air to dilute the indoor air with a ventilation fan using a fan or the like. A filter is provided, and contaminants are filtered and adsorbed by the filter by utilizing the wind speed of air supply and exhaust of forced ventilation air. In this forced ventilation system, since the room air is forcibly exhausted, the room is likely to be under negative pressure, and drive energy for a fan or the like is required.

By the way, apart from this forced ventilation system,
There is a natural ventilation system in which a ventilation hole for communicating indoors and outdoors is provided, and air inside and outside the room is naturally communicated and ventilated by the ventilation holes.

[0006] In this natural ventilation system, a device such as a rag or a register is attached to a ventilation hole communicating between the room and the outside, and the air inside and outside the room is ventilated by natural circulation through the device. In addition, products provided with an opening / closing mechanism for opening and closing a ventilation hole and an insect net are also being implemented.

[0007] In addition to the natural ventilation product, a utility model registration No. 251302 relates to a natural ventilation system.
No. 2, Japanese Unexamined Utility Model Publication No. 6-62017 or Japanese Unexamined Patent Publication No.
Japanese Patent Publication No. -4735 and the like have been proposed. However, these conventional publications all propose a system in which a dust removing filter is mounted inside a ventilation device and communicates indoors while removing external air from a ventilation hole. Is what it is.

[0008]

However, since these conventionally known natural ventilation systems have a dust filter or an insect net attached inside the product, the above-mentioned indoor pollutants and external pollutants are not considered. This is far from the purpose of purifying substances during natural ventilation and maintaining the indoor air environment.

The present inventor has paid attention to the natural ventilation system among the ventilation inside and outside the building, and in order to solve the conventional problems,
It was developed as a result of intensive research, and its purpose is to easily replace filters, dilute various indoor air pollutants, and combine filtration and adsorption functions with natural ventilation. However, the object is to efficiently improve the indoor air environment.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a filter for removably providing a filter for entirely blocking an air passage on the inner wall side of a ventilation hole communicating indoors and outdoors. It is a ventilation hole with a filter used as an antibacterial (bactericidal) filter.

This filter may be a filter for dust removal and deodorization, or the filter may be a filter for dust removal, antibacterial (bacterial removal) and deodorization. Further, the filter may be a filter for removing dust, antibacterial, deodorizing, and removing VOCs (volatile organic compounds).

Further, an annular adhesive portion in which release paper is overlapped is provided on the outer peripheral portion of the air passage of the filter, and the release paper is removed to attach the filter to the inner wall side of the ventilation hole. In addition, it is preferable to provide a non-ventilated portion through which air does not communicate at an appropriate position of the filter.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a ventilation hole with a filter according to the present invention will be specifically described with reference to the drawings. 1 to 3 show embodiments of a ventilation hole with a filter according to the present invention. In FIG. 1, a ventilation hole 2 having an appropriate inner diameter is formed in a wall portion 1 of a building, and an outer appliance 3 for natural ventilation such as a rag is attached to an outer wall side 1 a of the wall portion 1 of the ventilation hole 2. At the same time, an inner device 4 for natural ventilation such as a register is attached to the inner wall side 1b of the wall portion 1.

Further, an air passage 5 is formed in the inner wall side 1b of the ventilation hole 2.
The filter 6 that covers the whole of the device is detachably provided. As shown in FIGS. 7 and 8, this filter 6 forms an annular adhesive portion 8 in which a release paper 7 is superposed on an outer peripheral portion of an air passage formed to bulge into a cylindrical shape. Of the inner device 4 or the inner wall side 1b of the wall itself.

Further, a bellows portion 9 is formed in the cylindrical filter 6 to increase the surface area of the filter, and the length and diameter of the cylindrical shape are appropriately determined according to the implementation. The filter 6 is preferably a nonwoven fabric or a polymer fiber structure formed of a resin such as polyethylene or polypropylene, paper, or another material, and is a sheet having a small pressure loss. Further, if the color of the filter material is a white color system or a light color system, when the color of the filter 6 becomes dirty during use, it is possible to confirm the filter replacement time.

In this manner, the replacement time of the filter 6 can be easily visually recognized, and the filter 6 can be replaced with a new one when the filter function is deteriorated. Further, when the non-ventilated portion 10 where air does not communicate is provided at an appropriate position of the filter 6, when the filter surface of the filter 6 becomes dirty, only the non-vented portion 10 has the same color and is clearly separated. An alarm function for notifying the replacement time of the filter 6 can be provided. This non-venting part 10
May be provided with a portion where air does not communicate with a part of the filter 6, or the portion of the annular adhesive portion 8 of the filter 6 in the drawing may be made a non-venting portion.

Further, as shown in FIG.
When charged in a polarized state by a permanent electrostatic charging technique, charged particles in the air are adsorbed and collected, and a sufficient dust removing function is exhibited. In this case, the collection of particles by static electricity is smaller as the particles are similar to the so-called Brownian diffusion, and the effect is larger as the wind speed is slower. Therefore, it is suitable as a natural ventilation type filter in the present invention and is remarkable. It works.

As shown in FIG. 6, an antibacterial (bactericidal) sheet 6b having an antibacterial function (bactericidal function) is laminated on the filter 6 of the dust removing sheet 6a having the above-described dust removing function. The filter 6 may have a deodorizing sheet 6c having a deodorizing function in a laminated structure.

The filter 6 having a dust removing function shown in FIG.
Alternatively, when the dust removal sheet 6a shown in FIG. 6 has a high-density electric charge and is molded to have excellent heat resistance, for example, a mixture molding process with a heat-fusible fiber, a heat press process, a deodorizing sheet or a mold preventive High temperature processing such as lamination processing, pleating processing, and bellows processing of an antibacterial sheet or the like can be reliably performed. In addition, a harmful gas or the like is adsorbed, decomposed, or neutralized by adsorbing, decomposing or neutralizing a harmful gas or the like into the filter 6 or by adding an adsorption sheet having an adsorption function with activated carbon or the like. Can be.

The antibacterial (bactericidal) sheet 6b having the above antibacterial function is formed by bonding, mixing, or kneading silver, copper, zinc, or the like, into a nonwoven fabric or fiber. This way,
Active oxygen is formed by the catalytic action of metal ions, and these are adsorbed on proteins on the cell wall of the bacteria and destroy the structure of the cells, thereby being effectively antibacterial, sterilized or sterilized.

When catechin, which is contained in a large amount of tea leaves, is extracted and mixed or adsorbed on the antibacterial sheet 6b in the filter 6 such as a non-woven fabric, the catechin-containing antibacterial sheet 6b removes minute particles such as viruses. It is also possible to inactivate and carry out an antibacterial function, and it is also possible to mix or adsorb chitosan extracted from crustaceans such as crabs and shrimps into a nonwoven fabric or the like to obtain an antibacterial sheet 6b having an antibacterial action. .

Further, a deodorizing sheet 6c having a deodorizing function.
Has a deodorizing effect by mixing or impregnating activated carbon, a eucalyptus deodorant, a flavonoid deodorant or a neutralizing agent. There are malodorous components such as ammonia, acetaldehyde, acetic acid, and VOC (volatile organic compound) inside and outside the room. These malodorous components are adsorbed, decomposed and neutralized by the filter 6 to reliably deodorize. be able to.

When the knob 4b of the inner device 4 for natural ventilation such as a register is pulled or turned to open and close the air passage 5, a hole 6d for exposing the knob 4b is formed in the filter 6 as shown in FIG. And the elasticity is given by the holes 6d.
The knob 4b can be pushed or pulled or rotated.

Further, as shown in FIG. 4, since the inner device 4 is entirely covered with the filter 6 in a flat form, the appearance from the outer surface is improved. Also, the filter 6
Since the filter 6 is a bellows portion 9a corresponding to the stroke before and after the knob 4b, the filter 6
This has the effect of increasing the filter area.

As in the above example, in FIGS. 3 and 4 as well, an annular adhesive portion 8 in which release paper is superposed on the outer periphery of the filter is formed. Is replaceably attached to the outer surface 4a or the wall surface.

FIG. 9 shows the state of attachment and operation of the filter 6 when the opening step of the inner device (register) 4 attached to the ventilation hole 2 is long, and the upper half of the figure shows the register 4.
3 shows a state in which the operating part 4c is closed, and the lower half part is in an open state. FIG. 10 shows another example of the filter 6, in which a bellows portion 9 b is provided along the axial direction of the filter 6.

Next, when the filter 6 as shown in FIGS. 7 and 8 is attached to the ventilation hole 2, the release paper 7 is removed from the annular adhesive portion 8 of the filter 6, and the adhesive portion 8 is attached to the inner wall side of the ventilation hole 2. When it is attached to the air passage 5 so as to cover the entirety of the air passage 5, dust such as tires, sand, dust, smoke, mold, ticks, pests and the like in the outside air can be shut off without entering from the outside air. And other suspended matters can be collected. In addition, the deodorizing effect of the neutralizing agent and the like and the blocking and elimination of offensive odors by activated carbon, etc. are eliminated and the room inside is 0.3 m during natural ventilation.
Since it is about mAg to 8 mmAg, the indoor pressure is made uniform, and a comfortable living environment can be created.

Further, the filter 6 can be replaced with a new one simply by removing the dirty filter 6 by simply recognizing the replacement time, and the dirty filter 6 can be folded and discarded easily. It is possible and its handling is good.

[0029]

As is apparent from the above description, according to the present invention, the filter for completely removing the air passage is provided on the inner wall side of the ventilation hole communicating indoors and outdoors, so that the replacement time of the filter can be confirmed. And the filter can be replaced very easily.
In addition to dust removal function, antibacterial (bactericidal) and deodorization function or VOC
Since it also has a removing function, it becomes possible to clean indoor and outdoor air pollutants with natural ventilation, thereby improving the indoor air environment.

As described above, indoor air pollution is caused by outside air and indoor air. However, this filter filters the contaminants and purifies the indoor air by removal by adsorption or the like. A comfortable living environment can be maintained.

Further, an annular adhesive portion in which release paper is overlapped is provided on the outer peripheral portion of the air passage of the filter, and the release paper is removed to attach the filter to the inner wall side of the ventilation hole.
The filter can be easily attached to and detached from the ventilation hole indoors, the operation for attaching and detaching the filter is extremely simple, and furthermore, a filter having a simple structure can be mass-produced at low cost, and it has the effects of being excellent in economic efficiency. Further, since a non-venting portion through which air does not communicate is provided at an appropriate position of the filter, it is possible to reliably know the filter replacement time.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an example of a ventilation hole with a filter according to the present invention.

FIG. 2 is a cross-sectional view showing another example of a ventilation hole with a filter according to the present invention.

FIG. 3 is a sectional view showing still another example of a ventilation hole with a filter in the present invention.

FIG. 4 is a sectional view showing still another example of a ventilation hole with a filter according to the present invention.

FIG. 5 is a partial schematic diagram illustrating an example of a filter according to the present invention.

FIG. 6 is a partial schematic view showing another example of the filter according to the present invention.

FIG. 7 is a separate perspective view showing an example of a filter according to the present invention.

FIG. 8 is a perspective view showing another example of the filter according to the present invention.

FIG. 9 is a cross-sectional view showing still another example of the filter according to the present invention, showing an opening / closing operation state of the inner device and an expansion / contraction state of the filter.

FIG. 10 is a perspective view showing still another example of the filter according to the present invention.

[Explanation of symbols]

 1b Inner wall side 2 Ventilation hole 5 Air passage 6 Filter 7 Release paper 8 Ring adhesive section 10 Non-venting section

Claims (6)

[Claims] 1. A ventilation hole with a filter, wherein a filter for completely blocking an air passage is detachably provided on an inner wall side of a ventilation hole communicating indoors and outdoors, and the filter is a dust removal and antibacterial filter. 2. The ventilation hole with a filter according to claim 1, wherein the filter is a filter for removing dust and deodorizing. 3. The ventilation hole with a filter according to claim 1, wherein the filter is a filter for dust removal, antibacterial and deodorizing. 4. The ventilation hole with a filter according to claim 1, wherein the filter is a filter for dust removal, antibacterial, deodorizing, and VOC removal. 5. The filter according to claim 1, wherein an annular adhesive portion on which release paper is superposed is provided on an outer peripheral portion of the air passage of the filter, the release paper is removed, and the filter is attached to the inner wall side of the ventilation hole.
The ventilation hole with a filter according to any one of the above. 6. The ventilation hole with a filter according to claim 1, wherein a non-ventilated portion through which air does not communicate is provided at an appropriate position of the filter.