JPH07116544A - Air cleaner - Google Patents

Abstract

PURPOSE:To prevent exhaust air from always continuously striking against a specified human at the time of use, to prolong the service life of a dust collecting part and to lessen the soiling on a wall, etc. CONSTITUTION:The air passage 10c where air flows is formed between a suction port 10a and an exhaust port 10b, and a fan 11 is installed so as to be capable of reverse revolution at the center of this air passage 10c, and the ionizing parts 13 and 14 where the soil in a passing air is electrified respectively are attached to the beginning and end of the air passage 10c, and the dust collecting parts 15 and 16 capturing the charged soil electrostatically are disposed at the fan 11 side of each ionizing parts 13 and 14. Then, the switching means for switching the fan 11 to the reverse revolution direction is attached, and at the time of use, the flow direction of the air is changed by switching of the revolution direction of the fan by this switching means at every constant interval of time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of driving a fan to take in air, charging pollutants in the taken-in air at an ionizing section to put the air into a dust collecting section, and charging the dust at the dust collecting section. The present invention relates to an air cleaning device that electrostatically collects pollutants, cleans and discharges air.

[0002]

2. Description of the Related Art Conventionally, as an air cleaning device of this type, as shown in FIG. 4, for example, an ionization section 2, a dust collection section 3, and a dust collection section 3 are sequentially arranged in a main body case 1 from an air suction port 1a to an air discharge port 1b. There was a configuration provided with a fan 4.

During cleaning of the air, the fan 4 is driven to take in the air from the suction port 1a, and the pollutants in the taken-in air are charged in the ionization section 2 to collect the air.
The charged dust was electrostatically collected by the dust collecting section 3, the air was cleaned, and the air was discharged from the discharge port 1b.

[0004]

However, when the above-described conventional air cleaning device is installed on a wall or the like and used, a substance contained in the exhaust air adheres to the wall or the like in the vicinity of the exhaust port 1b, and there is a problem. There was a problem of soiling. Therefore, conventionally, for example, as shown in FIG. 5, the discharge port 1b is provided so as to be inclined with respect to the wall surface by a certain angle, or as shown in FIG. 6, the angular position of the discharge port 1b is appropriately adjustable. There was something I did. However, all of these conventional devices have a problem that the exhaust air always hits a specific person continuously during use, which makes the person uncomfortable. Further, in all of the above conventional devices, the air is always circulated in one direction during use, so that the collected charged pollutants P are located in a substantially fixed position of the dust collecting portion 3 as shown in FIG. There is a problem that a large amount of them adheres and accumulates there, shortening the life of the dust collecting part 3.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to prevent the exhaust air from constantly hitting a specific person during use, to prolong the life of the dust collecting portion, and to reduce dirt on walls and the like.

[0006]

Therefore, according to the first aspect of the present invention, for example, as in the embodiment shown in FIG. 1 below, the fan 11 is driven to take in air, and pollution in the taken-in air is achieved. The substance is electrified by the ionization parts 13 and 14, and the air is put into the dust collection parts 15 and 16.
In an air purifying device that electrostatically collects charged pollutants by 16 and cleans and discharges the air, the fan 11 is provided so as to rotate forward and backward, and the ionization parts 13 and 14 are provided.
Is provided at the beginning and the end of the air flow path 10c, and a switching means for switching the forward and reverse rotation directions of the fan 11 is provided.

According to a second aspect of the present invention, for example, as in the embodiment shown in FIG. 2 below, a fan is driven to take in air, and the pollutants in the taken-in air are electrified by an ionization section, In an air cleaner that puts air in a dust collecting part, electrostatically collects charged pollutants in the dust collecting part, and cleans and discharges the air, the fan, the ionization part, and the dust collecting part It is characterized by comprising a plurality of air purifiers 20 and 21 for independently taking in and purifying air and discharging the air, and further comprising a switching control means 25 for sequentially switching and using the air purifiers 20 and 21. ..

[0008]

According to the first aspect of the invention, the fan 1
1 is rotated forward to take in air from one side, and the pollutants in the taken-in air are charged by the ionization section 13 on the one side and put into the dust collecting section 15, and the charged pollutant is collected by the dust collecting section 15. Collect electrostatically, clean the air and discharge from the other side. After a lapse of a certain period of time, switching is performed by the switching means, this time the fan 11 is reversely rotated to take in air from the other side, and contaminants are charged by the ionization section 14 on the other side to collect the dust collecting section 1.
6 and the dust collecting portion 16 collects the air to clean the air and, on the contrary, discharge the air from one side.

According to the second aspect of the present invention, the switching control means 25 sequentially uses the plurality of air purifiers 20 and 21 to drive the fan of one air purifier to take in air, and the taken-in air. The pollutants therein are charged by the ionization part and put into the dust collecting part, and the charged pollutants are electrostatically collected by the dust collecting part, and the air is cleaned and discharged.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic configuration diagram of an air cleaning apparatus that is an embodiment of the present invention.

Reference numeral 10 in the drawing is a main case. The main body case 10 is provided with a suction port 10a for taking in air on the right side in the figure and a discharge port 10b for discharging clean air on the left side. Then, the suction port 10a and the discharge port 10b
An air flow path 10c through which air flows is formed between them, a fan 11 is provided in the center of the air flow path 10c so as to be capable of normal and reverse rotation, and a fan drive motor 12 capable of forward and reverse drive is provided below the fan 11. Prepare Therefore, the ionization sections 13 and 14 for charging pollutants such as smoke, dust, and dust in the passing air are provided at the beginning and the end of the air flow path 11, respectively. Further, dust collecting units 15 and 16 for electrostatically collecting charged pollutants are provided on the fan 11 side of each of the ionization units 13 and 14. Then, although not shown in the drawing, a switching unit that electrically connects to the fan drive motor 12 and switches the forward and reverse rotation directions of the fan 11 is provided.

When using the above-mentioned air cleaning device, the fan drive motor 12 is driven in the forward direction, the fan 11 is rotated in the forward direction, and air is taken in from the suction port 10a on one side.
The pollutants in the air taken in are charged by the ionization section 13 on one side thereof and are charged into the dust collecting section 15, and the dust collecting section 15
At, the charged pollutants are electrostatically collected, the air is cleaned, and the air is discharged from the discharge port 10b on the other side. Then, after a lapse of a certain period of time, switching is performed by the switching means, this time the fan drive motor 12 is reversely driven, the fan 11 is reversely rotated and air is taken in from the discharge port 10b on the other side, and contaminants are ionized on the other side. The part 14 is charged and put in the dust collecting part 16, and the dust collecting part 16 collects the air to clean the air and, on the contrary, the suction port 1 on one side.
Eject from 0a.

By the way, in the above-described first embodiment, the conventional structure is changed so that the fan can be rotated normally and reversely, and a switching means for switching the direction of normal and reverse rotation of the fan is provided. However, the present invention may include a plurality of conventional air purifiers and a switching control means for sequentially switching and using the plurality of air purifiers, as in the following second embodiment.

That is, in the second embodiment, for example, as shown in FIG. 2, two air purifiers 20 and 21 are installed on walls 22a and 22b facing each other in the chamber 22, for example. Although not shown in the drawings, each of the air purifiers 20 and 21 has a suction port for taking in air, a discharge port for discharging purified air, an air flow path through which air flows, a fan, an ionization section for charging pollutants in passing air, A dust collecting unit that electrostatically collects the charged pollutants is provided. The switching control means 25 is electrically connected to the two air purifiers 20 and 21.

In the second embodiment, however, the switching control means 25 sequentially switches and uses the air purifiers 20 and 21, and drives the fan of one air purifier to take in the air, and the air is taken in. The pollutant is charged in the ionization section and put in the dust collecting section, and the dust collecting section electrostatically collects the charged pollutant, cleans the air, and discharges it.

Further, in the above-described second embodiment, the conventional 2
The two air purifiers 20 and 21 are installed separately from each other, and the switching control means 25 sequentially switches and uses them. However, in the present invention, as in the embodiment shown in FIG. 3, for example, the fan 30.
31 is made to be able to rotate forward and backward, and the discharge sides of such two air purifiers 20 and 21 are connected and arranged. On the other hand, switching means (not shown) for switching the forward and reverse rotation directions of the fans 30 and 31 may be provided.

When the air purifying apparatus of the third embodiment is used, for example, the fan 30 is normally rotated and the other fan 31 is reversely rotated so that the suction port 20 of one air purifier 20 is rotated.
Air is taken in from a, the pollutant in the air taken in is charged by the ionization section 13 of the one air cleaner 20 and put in the dust collecting section 15, and the charged pollutant is electrostatically charged by the dust collecting section 15. The other air purifier 2
Discharge through 1 After a lapse of a fixed time, the switching means switches the switch, and in turn, one fan 30 is reversely rotated and the other fan 31 is normally rotated to take in air from the suction port 21a of the other air purifier 21 to remove pollutants. The other part of the air cleaner 31 is charged by the ionization part 14 and the dust collection part 16
The air is then collected by the dust collecting portion 16, the air is cleaned, and conversely, the air is discharged through one of the air cleaners 20.

In the air purifying apparatus of the present invention, for example, a dirt sensor is appropriately provided at the air intake port and the air exhaust port, and the output values of the two sensors are compared to adjust the switching interval or the user's preference. It is also possible to change the interval with.

[0019]

Therefore, according to the first aspect of the present invention, the fan can be rotated normally and reversely, and the switching means for switching the direction of normal and reverse rotation of the fan is provided so that the fan can be used normally. The air is not only circulated in one direction, but the air circulation direction can be freely changed.Therefore, the exhaust air in use always hits a specific person continuously and causes the person to feel uncomfortable. It can be lost. Further, it is possible to prevent a large amount of the collected charged pollutants from adhering to and depositing on the dust collecting portion at a substantially fixed position, thereby preventing the life of the dust collecting portion from being shortened. Further, even when it is installed on a wall or the like and used, it is possible to reduce the contamination of the wall or the like near the discharge port by the substance contained in the discharge air.

According to the second aspect of the present invention, a plurality of air purifiers, each of which has a fan, an ionization section, and a dust collection section, independently take in air, purify it, and discharge it, are provided. Similarly, since it is provided with a switching control means for sequentially switching and using it, the air circulation direction can be freely changed, so that the exhaust air during use always hits a specific person continuously, which gives an unpleasant feeling to that person. It is possible to prevent the dust collector from being shortened, and it is possible to reduce the contamination of the wall and the like near the outlet with the substance contained in the exhaust air.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of an air cleaning device that is a first embodiment of the present invention.

FIG. 2 is a layout configuration diagram of two air purifiers and a switching control means in a room in an air purifying device according to a second embodiment of the present invention.

FIG. 3 is a schematic configuration diagram of an air cleaning device that is a third embodiment of the present invention.

FIG. 4 is a schematic configuration diagram of a conventional air cleaning device.

FIG. 5 is a schematic side view of a conventional air cleaning device in which an exhaust port is inclined with respect to a wall.

FIG. 6 is a schematic side view of a conventional air cleaning device in which the installation angle of the outlet with respect to the wall can be adjusted.

FIG. 7 is an explanatory diagram of a deposition state of pollutants in a dust collecting portion in the conventional air cleaning device.

[Explanation of symbols]

 10c Air flow path 11/30/31 Fan 13/14 Ionization part 15/16 Dust collection part 20/21 Air purifier 25 Switch control means

Claims (2)

[Claims] 1. A fan is driven to take in air, the pollutants in the taken-in air are charged in an ionization section and the air is put into a dust collecting section, and the charged pollutants are electrostatically charged in the dust collecting section. In an air purifying device that collects in, cleans and discharges air, the fan is provided for normal and reverse rotation, and the ionization unit is provided at the beginning and end of the air flow path, while the forward and reverse rotation directions of the fan are provided. An air purifying device provided with a switching means for switching between. 2. A fan is driven to take in air, the pollutants in the taken-in air are charged in the ionization section, and the air is put into the dust collecting section, and the charged pollutant is electrostatically charged in the dust collecting section. In an air purifying device that collects in, purifies and discharges air, the air purifier that includes the fan, the ionization unit, and the dust collection unit and independently takes in and purifies and discharges air, An air cleaning device comprising switching control means for sequentially switching and using those air cleaning devices.