JP2001065940A - Air treatment device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove indoor air contaminants generated in a room and remove harmful matters contained in the outside air admitted into a room. SOLUTION: In the device, an exhaust passage 1 intercommunicates with a suction passage 2 through a communication part 4, while an air purifying section 3 is provided at a predetermined location in the passage 2. In addition, an exhaust damper 1b swingable between a position where the passage 1 is closed, and a position where the part 4 is closed, and a suction damper 2b swingable between a position where the passage 2 is closed, and a position where the part 4 is closed, are provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air treatment apparatus, and more particularly, to a novel air treatment apparatus capable of purifying indoor air and air introduced into a room.

[0002]

2. Description of the Related Art Conventionally, high airtightness and high heat insulation of houses have been promoted. On the other hand, formaldehyde and VOC from building materials
(Volatile organic compounds), CO, C from combustion equipment
Indoor air pollution is advancing due to generation of O ₂ , nitrogen oxides (NO _x ) and odors, generation of mold and mites by condensation, generation of CO ₂ by respiration, and the like.

[0003] Therefore, there is an increasing demand for ventilation of room air, and a ventilator is provided to satisfy this demand.

[0004]

However, when houses are located around major roads and highways in metropolitan areas, they have a bad effect on the human body (causing health problems such as respiratory diseases). ) since the NO _x exceeds the environmental standard value set at present, when performing ventilation as described above, although capable of discharging the indoor air pollutants from the room, environmental standards There is a disadvantage that the above NO _x is taken into the room.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in consideration of the above problems, and has an object to remove indoor air pollutants generated indoors and to remove harmful substances contained in outside air introduced indoors. It is an object of the present invention to provide an air treatment device capable of performing the following.

[0006]

According to a first aspect of the present invention, there is provided an air treatment apparatus provided at predetermined positions of an introduction passage for introducing outside air into a room, an exhaust passage for discharging room air, and an introduction passage. Select the air purifier, the state in which the introduction flow path and the exhaust flow path function as independent air flow paths, and the state in which the introduction flow path and the exhaust flow path function as a return flow path for circulating air. And a flow control means.

According to a second aspect of the present invention, as the flow path control means, the introduction flow path and the exhaust flow path each function as a somewhat independent air flow path, and the introduction flow path and the exhaust flow path form the air flow path. To select a state in which is refluxed to some extent.

According to a third aspect of the present invention, there is provided the air processing apparatus, wherein the flow path control means includes a state in which the introduction flow path and the exhaust flow path function as independent air flow paths. And a state in which the introduction flow path and the exhaust flow path each function as a somewhat independent air flow path, and a state in which the introduction flow path and the exhaust flow path allow air to flow to some extent. It employs a damper whose opening degree can be controlled to make a selection.

[0009]

According to the air processing apparatus of the first aspect, the state in which the introduction flow path and the exhaust flow path function as independent air flow paths by the flow path control means, and the air flow through the introduction flow path and the exhaust flow path. And a state in which it functions as a reflux channel for refluxing. Then, in a state where the introduction flow path and the exhaust flow path function as independent air flow paths, the harmful substances contained in the outside air introduced into the room are removed by the air cleaning unit, and the outside air is introduced. There is no increase in indoor air pollution. Conversely, in the state where the air is recirculated by the introduction flow path and the exhaust flow path, the air purifier removes indoor air pollutants generated in the room and purifies the indoor air. Can be.

Therefore, a device for removing harmful substances contained in air introduced into a room and a device for removing indoor air pollutants generated in a room can be integrated, and furthermore, the device for removing indoor air pollutants can be integrated. Health damage to humans can be minimized.

In the air processing apparatus according to the second aspect, the flow path control means allows the introduction flow path and the exhaust flow path to function as somewhat independent air flow paths.
A state in which air is circulated to some extent by the introduction flow path and the exhaust flow path can also be selected.

Therefore, it is possible to purify the indoor air while performing a certain degree of ventilation. Of course, the same operation as the first aspect can be achieved.

According to the third aspect of the present invention, the opening / closing degree of the damper is controlled so that the introduction passage and the exhaust passage function as independent air passages. A state in which the air flow path is recirculated by the flow path, a state in which the introduction flow path and the exhaust flow path function as independent air flow paths to some extent, and a degree of air flow in the introduction flow path and the exhaust flow path The state of reflux can be selected.

Therefore, the same operation as in claim 2 can be achieved with a simple configuration.

[0015]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of an air treatment apparatus according to an embodiment of the present invention.

FIG. 1 is a schematic diagram showing one embodiment of the air treatment apparatus of the present invention.

The air processing apparatus includes an exhaust passage 1 for discharging indoor air, an intake passage 2 for introducing outside air into a room, and an exhaust fan provided at a predetermined position in the exhaust passage 1. 1 a, an intake fan 2 a provided at a predetermined position in the intake passage 2, an air purifier 3 provided at a predetermined position in the intake passage 2, and a predetermined position upstream of the air purifier 3. , A communication section 4 for communicating the exhaust flow path 1 and the intake flow path 2
And an exhaust damper 1b rotatable between a state in which the exhaust passage 1 is closed and a state in which the communication part 4 is closed, and a state in which the intake passage 2 is closed and a state in which the communication part 4 is closed. And an intake damper 2b rotatable between them. The exhaust damper 1b and the intake damper 2b are configured such that when the exhaust damper 1b closes the exhaust flow path 1, the intake damper 2b closes the intake flow path 2 and the exhaust damper 1b is Are interlocked so that the intake damper 2b closes the communication part 4 when the air is closed. Therefore,
The exhaust damper 1b and the intake damper 2b constitute a flow path control unit.

The air purifying section 3 adsorbs and removes harmful substances (for example, a harmful substance adsorption filter),
Examples thereof include those that decompose and remove harmful substances (for example, a photocatalyst device), but are not limited thereto.

The operation of the air treatment apparatus having the above configuration is as follows.

(1) When both the exhaust damper 1b and the intake damper 2b are operated so as to close the communicating portion 4 (see the solid line in FIG. 1), the air in the room passes through the exhaust passage 1 to the outside. The air is discharged, and at the same time, the outside air is introduced into the room through the intake passage 2. Since the air introduced into the room through the intake passage 2 passes through the air purifying unit 3, even if the outside air contains harmful substances, the harmful substances are removed or the indoor air is significantly reduced. To the outside air. As a result, sufficient ventilation can be achieved, and the intrusion of harmful substances from the outside can be effectively prevented, and the indoor air pollution can be reduced.

(2) The exhaust damper 1b is connected to the exhaust passage 1
When the intake damper 2b is operated so as to close the intake passage 2 (see the broken line in FIG. 1), the indoor air flows through the exhaust passage 1 and the communication portion 4. Then, the air passes through the intake passage 2 in this order and is returned to the room again. In the middle of this, air is supplied to the air purifying section 3.
Therefore, while indoor air circulates through the exhaust passage 1, the communicating portion 4, and the intake passage 2 in this order, harmful substances generated in the room are removed by the air purifying portion 3, and the indoor air is removed. Air pollution can be reduced.

(3) Connecting the exhaust damper 1b to the communication portion 4,
When the exhaust passage 1 is operated so as not to be completely closed, and the intake damper 2b is operated so as not to completely block both the communication section 4 and the intake passage 2, the indoor The air is discharged to the outside of the room through the exhaust passage 1 and is guided to the intake passage 2 through the communication portion 4. Here, the ratio of the air discharged outside the room and the air guided to the communication portion 4 is determined depending on the position of the exhaust damper 1b.

At the same time, the outside air and the air guided to the intake passage 2 through the communication portion 4 are introduced into the room through the air passage 2. Here, the ratio of the outside air and the air guided to the intake passage 2 through the communication portion 4 is determined by the intake damper 2b.
Is determined depending on the position of. Of course, the air introduced into the room through the air intake passage 2 passes through the air purifying section 3, so that the air is introduced into the room with harmful substances removed or significantly reduced.

Therefore, indoor air pollution can be reduced while circulating room air at a certain rate, and ventilation can be performed at a certain rate.

[0025]

According to the first aspect of the present invention, a device for removing harmful substances contained in air introduced into a room and a device for removing indoor air pollutants generated in a room are integrated. In addition, there is a unique effect that the health damage to the people in the room can be minimized.

According to the second aspect of the present invention, indoor air can be purified while performing a certain degree of ventilation, and the same effect as that of the first aspect can be obtained.

According to the third aspect of the invention, the same effects as those of the second aspect can be obtained with a simple configuration.

[Brief description of the drawings]

FIG. 1 is a schematic view showing one embodiment of an air treatment device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Exhaust flow path 1b Exhaust damper 2 Intake flow path 2b Intake damper 3 Air purification part

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Noboru Koyama 3rd Miyukigaoka, Tsukuba City, Ibaraki Prefecture Daikin Industries, Ltd. F term (reference) 4D058 JA12 QA01 QA03 QA19 QA23 QA25 TA02 TA06 TA07

Claims (3)

[Claims] An introduction flow path (2) for introducing outside air into a room.
An exhaust passage (1) for discharging indoor air; an air purifier (3) provided at a predetermined position of the introduction passage (2); an introduction passage (2) and an exhaust passage (1). ) Functioning as independent air flow paths, and a flow control means for selecting a state functioning as a recirculation flow path for circulating air through the introduction flow path (2) and the exhaust flow path (1). 1b) (2
b) An air treatment device characterized by having: 2. The flow control means (1b) (2b)
The introduction flow path (2) and the exhaust flow path (1) may function as independent air flow paths to some extent, and the introduction flow path (2) and the exhaust flow path (1) may return air to some extent. The air treatment device according to claim 1, which is selected. 3. The flow path control means (1b) (2b)
A state in which the introduction flow path (2) and the exhaust flow path (1) function as independent air flow paths, and a state in which the introduction flow path (2) and the exhaust flow path (1) recirculate air. The function to be operated, and the introduction flow path (2) and the exhaust flow path (1) function as independent air flow paths to some extent, and the introduction flow path (2) and the exhaust flow path (1) allow air to flow to some extent The air treatment device according to claim 2, wherein the damper is a damper (1b) (2b) whose opening degree can be controlled to select a state of reflux.