JPH1085533A - Air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To efficiently clean indoor air by responding to up a change in odor components, etc., of the indoor air when such a change occurs. SOLUTION: This air cleaner consists of a chamber 10 containing an air passage 11 through which air passes and a storage part 14 in which a filter is stored, an ozone generator 22, a first ozone decomposition filter 25a for removing carbon monoxide by oxidation, and adsorption filter 25b for adsorbing an alcohol with actived carbon, a second ozone decomposition filter 25c for removing ammonia by oxidation, an aromatic filter 25d which emits aroma, drive mechanisms 35a, 35b, 35c, 35d for moving these filters between the storage part 14 of the chamber 10 and the air passage 11, and a control panel 30 for controlling the drive mechanisms 35a, 35b, 35c, 35d. The control panel 30 controls the drive mechanisms 35a, 35b, 35c, 35d to position either of the filters 25a, 25b, 25c, 25d as specified in the air passage 11 within a specified time zone, in accordance with a filter use pattern per time zone stored in memory 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air purifying apparatus which removes odor components and airborne bacteria from the air to improve a living space and a working space.

[0002]

2. Description of the Related Art As a conventional air purifying apparatus, there is a conventional air purifying apparatus in which a dust filter and an ozone generator are fixedly provided in an air passage of the air purifying apparatus.

[0003]

However, such a conventional technique has a problem that when the odor component in the indoor air changes, the change cannot be followed. Further, even if a filter or the like for removing a specific odor component is provided in the air cleaning device in advance,
Since the filter is constantly exposed to the air passing through the air passage of the air cleaning device, there is a problem that the filter is deteriorated early.

The present invention has been made in view of such a conventional problem. Even if the odor component or the like in the indoor air changes, the target component in the air is changed according to the change. It is an object of the present invention to provide an air purifying device capable of efficiently removing the air.

[0005]

An air purifying device for achieving the above object has an air passage having an air inlet through which room air is sucked, and an air outlet through which air sucked from the air inlet is exhausted. Forced ventilation means for guiding the indoor air to the intake port of the ventilation path and exhausting from the exhaust port through the ventilation path, a plurality of air each removing or decomposing a specific component contained in the air. A cleaning material, and air cleaning material driving means for moving at least one of the plurality of air cleaning means between a use position located in the ventilation path and a non-use position located outside the ventilation path. ,
It is determined which of the one or more air cleaners to be moved by the air cleaner drive means is to be located at the use position, and the air cleaner drive means is controlled in accordance with the result. And control means for performing the operation.

Here, the control means may determine, from among the one or more air cleaners moved by the air cleaner driving means, an air cleaner positioned at the use position in a predetermined use pattern for each time zone. May be stored in the storage means, and the air cleaner driving means may be controlled in accordance with the usage pattern stored in the storage means. Further, the control means has a detection means for detecting a specific component in the air which is removed or decomposed by one or more of the air cleaning materials moved by the air cleaning material driving means, respectively. According to the result, the air cleaner driving means may be controlled.

In the above air cleaning apparatus, the control means gives priority to the moving air cleaning material determined based on the use pattern stored in the storage means or the detection result by the detection means. Preferably, the apparatus further includes an air cleaner driving designation unit for specifying an air cleaner to be moved.

[0008] In the above-mentioned air purifying apparatus,
The air purifying material may include an ozone generator for generating ozone and an ozone decomposition filter to which a catalyst for decomposing the ozone generated by the ozone generator to generate active oxygen is attached. Furthermore, the air purifier may include an adsorption filter having an adsorbent that adsorbs specific components in the air.

[0009] The above-described air purifying apparatus may include an aroma filter for emitting aroma and a driving means for moving the aroma filter between the use position and the non-use position. In this case, the control means determines which of the one or more air cleaners and the aroma filter is to be positioned at the use position, and according to the result, a plurality of the air cleaners or the aroma filters are provided. The air purifier driving means or the driving means is controlled.

[0010]

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

First, an air purifying apparatus according to a first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the air purifying apparatus according to this embodiment includes a chamber 10 having a ventilation path 11 and a fan (forced ventilation means) 29 for guiding room air into the ventilation path 11.
And various filters (air cleaning materials) 21, 25a, 25 for removing specific components from the air passing through the ventilation passage 11.
b, 25c, 25d, and various filters 25a, 25b,
Filter driving mechanism (air cleaning material driving means) 35a, 35b, 35c, 35 for moving 25c, 25d, respectively.
d and the filter drive mechanisms 35a, 35b, 35c, 35
d, a control panel 30 for controlling the operation of the fan 29, an ozone generator 22 for generating ozone, an ozone concentration meter 34 for detecting the ozone concentration in the room, and an operation panel 36 for giving various instructions to the control panel 30. And

The filters include a pre-filter 21 for removing coarse dust, first and second ozone decomposing filters 25a and 25c for decomposing ozone generated by an ozone generator 22 to generate active oxygen, and activated carbon. There is an absorption filter 25b provided and an aroma filter 25d provided with an aromatic. First ozone decomposition filter 25a
Is a platinum-based catalyst attached to a filter base material, and has a function of oxidizing carbon monoxide with active oxygen to form carbon dioxide. Also, the second ozonolysis filter 25c
Is a catalyst in which a manganese-based catalyst is attached to a filter base material, and has a function of oxidizing ammonia, hydrogen sulfide, methyl mecaptan, acetaldehyde, and the like. Further, since the adsorption filter 25b has activated carbon, it has a deodorizing effect and also has a function of adsorbing alcohol and the like.

The ozone generator 22 has a cathode 23 and an earth plate (anode) 24, and converts oxygen in the air into ions by electrons emitted from the cathode 23. The ozone generator 22 also has a function of negatively charging fine particles in the air and collecting the negative particles with an earth plate 24.

The chamber 10 has an inlet 12 and an outlet 1
An air passage 11 having the air passages 3 and 13 and a storage section 14 for storing various filters and the like are provided. Various filters and the like are arranged in the order of the pre-filter 21, the ozone generator 22, the first ozone decomposition filter 25a, the adsorption filter 25b, the second ozone decomposition filter 25c, the aroma filter 25d, and the fan 29 from the intake port 12 side. It is provided in the air passage 11. The pre-filter 21 is provided at the most upstream intake port 12 in order to prevent filters other than the pre-filter 21 from being clogged. Since the ozone generator 22 has a function of removing fine particles in the air, it is provided at a position immediately downstream of the pre-filter 21 in order to prevent clogging of the filter, similarly to the pre-filter 21. ing. First and second ozonolysis filters 25
Since the filters 25a and 25c need to contain ozone in the air in order to fulfill the functions of the filters 25a and 25c, the ozone generator 22 also performs the first and second ozonolysis from this viewpoint. It is provided upstream of the filters 25a, 25c. The fragrance filter 25d is provided to prevent fragrance components from being removed by each filter.
It is provided on the most downstream side of each filter. Among the above filters and the like, the first ozone decomposition filter 25
a, adsorption filter 25b, second ozone decomposition filter 2
5c, the fragrance filter 25d is provided movably between a use position located in the ventilation path 11 and a non-use position located in the storage portion 14 outside the ventilation path 11. These movable filters 25a, 25b, 25c, 2
5d includes filter driving mechanisms 35a, 35b, 35c, 35d for moving the filters 25a, 25b, 25c, 25d between the use position and the non-use position, respectively.
Is provided.

The control panel 30 is provided in the housing 1 of the chamber 10.
4. The control panel 30 includes a memory 32 in which various operation programs and the like are stored, a CPU 31 that executes the programs stored in the memory 32,
According to the instruction from U31, each filter drive mechanism 35a,
35b, 35c, 35d, ozone generator 22, fan 2
And a drive circuit 33 for controlling the control circuit 9. Memory 32
Are movable filters 25a, 25b, 25c, 2
5d, the filter 1
1 is stored. The filter use pattern will be described later.

The operation panel 36 includes a power-on switch 38 such as the ozone generator 22, the fan 29, the control panel 30, and the drive mechanism 35, and the movable filters 25a, 25b, 25c,
Filter drive switches 39a, 39 for moving 25d
b, 39c and 39d, the ozone concentration abnormality and the fan 29
And an alarm lamp 37 that lights up when an abnormality or the like occurs. The operation panel 36 is provided on a wall or the like in the room away from the chamber 10.

Next, the operation of the air cleaning device will be described. First, before describing the operation of the air purifying device, the function of each movable filter will be briefly described again. The first ozonolysis filter 25a has a function of removing carbon monoxide, the adsorption filter 25b has a function of removing alcohol and a deodorizing function, and the second ozonolysis filter 25c has a function of removing ammonia and hydrogen sulfide. Has the function of removing methyl mecaptan, acetaldehyde, etc.,
The fragrance filter 25d has a function of emitting fragrance.

Here, it is assumed that in the room where the air purifying device is placed, a fixed work is performed every day at a substantially fixed time slot, and a fixed gas is generated for each time slot.
Further, it is assumed that the gas concentration in this room changes over time as shown in FIG. That is,
In this room, t ₀ ammonia occurs in ~t _1, t ₁ ammonia and carbon monoxide is generated in ~t _2, t ₂ ~t ₃ ammonia, carbon monoxide and an alcohol or the like and is generated in the and, and the ammonia, carbon monoxide and an alcohol such as occurs also in the t ₃ ~t _4, alcohol or the like occurs at t ₄ ~t _5.

For this reason, in this embodiment, as shown in FIG. 3, during the time period from t _{0 to} t ₄ in which ammonia or the like is generated, the second ozone decomposition filter 2 for oxidizing and removing this is used.
5c is positioned in the use position, in the time zone t ₁ ~t ₄ carbon monoxide is generated, which is positioned in the use position the first ozonolysis filter 25a for removing oxidation, time zone alcohol is generated in t ₂ ~t _5, so that is positioned in the use location adsorption filter 25b to adsorb it. Further, the aromatic filter 25d, in this embodiment, in all time zones t ₀ ~t _5, so that is positioned in the use position. As a result, in each time zone, odor components and the like in the air are efficiently removed, and the air having been cleaned and having the fragrance is supplied to the exhaust port 1 of the chamber 10.
3 to exhaust indoors. As shown in FIG. 3, the memory 32 in the control panel 30 stores a filter use pattern indicating a filter used for each time zone, and the CPU 31 in the control panel 30 controls each drive mechanism 35a according to the filter use pattern. , 35b, 35c, and 35d are operated.

Basically, even in a workplace where the same work is repeatedly performed every day, there is a case where it is necessary to suddenly perform a different work one day. In the present embodiment, the movable filters 25a, 25b, 25c, 2 are movable so as to cope with such a case.
Every 5d, these drive mechanisms 35a, 35b, 35
Filter drive switches 39a, 39b, 39c, 39d for directly giving instructions to c and 35d are provided. A plurality of filter drive switches 39a, 39b, 39c, 3
When a specific filter driving switch is pressed out of 9d, only the filter corresponding to the specific filter driving switch is positioned at the use position, prior to the filter use pattern stored in the memory 32 in advance. .

If the concentration of ozone becomes higher than a certain level, the body is adversely affected. Therefore, in this embodiment, an ozone concentration meter 34 is provided. When the ozone concentration in the room detected by the ozone concentration meter 34 exceeds a predetermined concentration, the amount of ozone generated by the ozone generator 22 is limited by an instruction from the control panel 30. When the ozone concentration further rises, the ozone generation by the ozone generator 22 is stopped, and the alarm lamp 37 is turned on.

As described above, in this embodiment, since various filters and the like are provided, even if the odor component in the indoor air changes, the change can be followed. Moreover, according to the change of the odor component in the indoor air,
Of the various filters, filters that have an effect of removing odor components present in the air during the time zone are selected and used, so that various filters can be used efficiently and the life of each filter can be extended. can do.

In this embodiment, a filter to be used is determined in advance for each time zone, and a filter to be used is determined according to the determined pattern. However, a plurality of sensors for detecting specific components are provided. The filter to be used may be determined based on the detection result. Further, a filter to be used may be determined by using a filter use pattern and a sensor together. In this case, usually, the filter to be used is determined using the filter use pattern, and when the filter use pattern suddenly cannot be used, the filter to be used is determined based on the detection result of the sensor in preference to the filter use pattern. It is good to decide.

Next, a second embodiment according to the present invention will be described with reference to FIG. In this embodiment, two air purifying apparatuses according to the first embodiment are provided.

The gas distribution in a room is often not uniform. For example, suppose that carbon monoxide is generated in a certain partial space A in a room and ammonia is generated in another partial space B of a room during a certain time period. At this time, a partial space A
In the air purifying device a above the filter 25a, the filter 25a for removing carbon monoxide is in the use position, and in the air purifying device b above the other partial space B, the filter 25c for removing ammonia is in the use position. Is preferred. For this reason, in this embodiment, the filter use pattern stored in the memory of each of the air purifying devices a and b is changed, and in a certain time zone, the filter 25a for removing carbon monoxide is used in the air purifying device a at the use position. To be located at
In the air purifying device b, a filter 2 for removing ammonia is used.
5c is located at the use position.

[0026]

According to the present invention, since various air purifying materials are provided, even when the odor component in the indoor air changes, the change can be followed. In addition, according to the change of the odor component in the indoor air, among the various air purifiers, an air purifier having an effect of removing the odor component present in the air is selected and used. Therefore, various air purifying materials can be used efficiently, and the life of each air purifying material can be extended.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an air cleaning device according to a first embodiment of the present invention.

FIG. 2 is a graph showing a gas concentration change in a certain room.

FIG. 3 is an explanatory diagram showing a filter use pattern of the air cleaning device as the first embodiment according to the present invention.

FIG. 4 is a cross-sectional view of an air cleaning device as a second embodiment according to the present invention.

[Description of Signs] 10: chamber, 11: ventilation path, 12: intake port, 13
... exhaust port, 14 ... storage section, 21 ... pre-filter, 22 ...
Ozone generator, 25a: first ozone decomposition filter, 2
5b: adsorption filter, 25c: second ozone decomposition filter, 25d: fragrance filter, 30: control panel, 31: CP
U, 32: memory, 33: drive circuit, 34: ozone concentration meter, 35a, 35b, 35c, 35d: drive mechanism, 36
... operation panel, 37 ... alarm lamp, 38 ... power-on switch, 39a, 39b, 39c, 39d ... filter drive switch.

Claims (3)

[Claims] An air purifying apparatus for purifying indoor air, comprising: an air inlet having an air inlet through which the indoor air is sucked; an air outlet having an air outlet for exhausting the air sucked from the air inlet; Forced ventilation means for guiding air to the intake port of the ventilation path and exhausting from the exhaust port through the ventilation path, each of which includes a plurality of air cleaning materials for removing or decomposing specific components contained in the air. An air purifier driving means for moving at least one of the plurality of air purifying means between a use position located in the air passage and a non-use position located outside the air passage; and It is determined which one of the one or more air cleaners to be moved by the cleaner driving means is to be located at the use position, and the control means controls the air cleaner driving means in accordance with the result. Air cleaning apparatus characterized by comprising a means. 2. The air purifying apparatus according to claim 1, wherein said control means includes: an air purifying material positioned at said use position among said one or more air purifying materials moved by said air purifying material driving means. A storage unit in which a predetermined use pattern is stored for each time zone, and wherein the air cleaning material driving unit is controlled in accordance with the use pattern stored in the storage unit. Purifier. 3. The air purifying apparatus according to claim 1, wherein the control unit is configured to remove specific components in the air removed or decomposed by the one or more air cleaners moved by the air cleaner driving unit, respectively. An air purifying apparatus, comprising: detecting means for detecting, and controlling the air purifying material driving means in accordance with a detection result by the detecting means.