JP2000005633A - Air cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically clean the ionizing wire of an ionizing part in an air cleaner by an inexpensive means without needing user's care. SOLUTION: The ionizing wire 16a is allowed to pierce a center hole and a blade member 22 is provided so as to be supported by the ionizing line 16a to be made freely movable on the wire 16a. The ionizing part 16 provided with the blade member 22 is supported obliquely. By this constitution, the blade member 22 receives the air flow generated by the driving of a blow fan 19 at a time of the operation of an air purifier to rotate and rises on the inclined ionizing wire 16a and falls under gravity when operation is stopped and, by the movement of the blade member 22 on the ionizing wire 16a, the foreign matter bonded to the ionizing wire 16a is removed by the blade member 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for installing a projector in a room by hanging it on a wall or placing it on a floor, driving a blower fan to take in air in the room, and ionizing dust in the taken air. The present invention relates to an air purifier which ionizes in a part and electrostatically adsorbs the ionized dust in a dust collecting part, purifies air and returns the air to a room again.

[0002]

2. Description of the Related Art In recent years, cedar pollen, which causes allergic rhinitis, and house dust, which has an adverse effect on babies and infants, have become problems. Air purifiers for removing these have attracted attention.

FIG. 7 shows an appearance of a conventional air purifier, and FIG. 8 shows a schematic internal configuration thereof. For example, a conventional air purifier includes an ionization unit 1, a dust collection unit 2, a deodorizing filter 3, a blower fan 4, a motor 5, and the like at the same height in order from the bottom.

Then, by operating a switch on an operation panel 7 provided on the upper front side of the outer case 6, the blower fan 4 is driven by the motor 5, and the suction grills 8 on both sides of the outer case 6 front.
From the room, dust in the air is ionized by the ionization unit 1, the ionized dust is electrostatically adsorbed by the dust collection unit 2, and discharged from the outlet grill 9 on the upper surface of the outer case 6. The purified air was returned to the room again.

The ionization section 1 is composed of an ionization line 1a provided to extend and an ionization electrode plate 1b disposed along the line. Ionize dust.

[0006]

However, in such an air purifier, there is a problem that foreign matter adheres to the ionization line 1a of the ionization unit 1 over time, and the ionization performance is reduced, and the dust collection ability is reduced. This problem can be solved by cleaning the ionizing radiation. However, if the cleaning is performed, the burden on the user is increased, and if a cleaning device that automatically performs the cleaning is provided, the cost is considerably increased. was there.

For example, in an electrophotographic image forming apparatus such as an electrophotographic copying machine, in order to prevent the image quality from deteriorating, a wire line is connected to a charging section of an image carrier to which a high voltage is applied or an image transferring section to paper. In many cases, a cleaning device is provided to clean the surface. However, each of these cleaning devices has a complicated mechanism, a large number of parts, and is troublesome to assemble.
If they are incorporated into an air purifier, there is a problem that the cost becomes very high.

Accordingly, an object of the present invention is to make it possible to automatically clean an ionizing line by an inexpensive means and without troublesome operation of a user in the above-described air purifier. Is to do.

[0009]

Therefore, according to the first aspect of the present invention, in an air purifier, a blower fan 19 that takes in and exhausts indoor air as in an embodiment described with reference to the following drawings, for example. A high voltage is applied between the ionizing wire 16a and the ionizing electrode plate 16b to ionize the dust in the air taken in by the blower fan 19; and the dust ionized by the ionizing unit 16 is electrostatically charged. The dust collecting portion 17 to be adsorbed and the ionization line 16a of the ionization portion 16 penetrate and are supported by the ionization line 16a so as to be movably provided on the line 16a. It rises on the ionization line 16a in response to the flow of air, and when it stops driving, it falls due to gravity. The blade member 22 for removing foreign matter adhering to the a, made comprise, characterized in that.

During operation, the blower fan 19 is driven, and a high voltage is applied between the ionization line 16a of the ionization section 16 and the ionization electrode plate 16b to take in room air and remove dust in the taken air. The dust is ionized by the ionization section 16 and the ionized dust is electrostatically adsorbed by the dust collection section 17 to purify and discharge air.

In this operation, the blade member 22 receives the flow of air generated by the driving of the blower fan 19, and
6a. When the operation is stopped, the blower fan 19 is stopped.
Is stopped and the voltage application to the ionization section 16 is stopped, and the blade member 22 falls by gravity. The movement of the blade member 22 on the ionization line 16a causes the blade member 2 to move.
In step 2, the foreign matter 24 attached to the ionization line 16a is removed.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows the appearance of an air purifier according to the present invention. FIG. 2 shows a schematic internal configuration viewed from the side, and FIG. 3 shows an internal schematic configuration viewed from the front.

Reference numeral 10 in the figure denotes an outer case. The outer case 10 has a box shape with a relatively high height and a small depth, is provided with suction grills 11 on both front sides, and has an operation panel 12 on the upper front side. Operation panel 1 on the top
2 is provided with a blowout grill 13 behind.

In such an outer case 10, a pair of frames 15 provided on both sides facing each other form an ionization section 16 having a unit configuration, a dust collection section 17 having the same unit configuration, a deodorizing filter 18, and the like. The fan 20 and the motor 20 provided at the height position are supported.

As in the conventional case, the ionizing section 16 is composed of an ionizing line 16a extending over and an ionizing electrode plate 16b arranged along the line, and by applying a high voltage between them, a corona discharge is performed. Dust in the air passing there is charged and ionized.

In the air purifier according to the present invention, as shown in FIGS. 4 and 5, the ionization line 16a passes through the center hole 22a, and the ionization line 16a
And the blade member 22 is provided so as to be movable on the line. Then, as shown in FIGS. 1 to 3, the whole is installed upright, and the ionization section 16 is supported inclining therein as shown in FIG.

Therefore, when this air purifier is operated by a switch operation of the operation panel 12, the blower fan 19 is driven by the motor 20, and a high voltage is applied between the ionization line 16a of the ionization section 16 and the ionization electrode plate 16b. Apply. Then, a flow of air is created in the exterior case 10 and the air in the room is taken in from the intake grill 11 to obtain the air flow shown in FIG.
And as shown by the arrow in FIG. 3, the purified air discharged from the blowout grill 13 through the exterior case 10 is returned to the room again.

At this time, first, coarse dust is removed by a pre-filter (not shown) provided on the back of the suction grill 11, and then the dust in the passing air is ionized by the ionization unit 16, and the ionized dust is collected by the dust collection unit 17. To electrostatically adsorb to the GND plate, and the deodorizing filter 18 adsorbs odorous components.

In this operation, the blade member 22 rotates in the direction shown by the arrow in FIG. 4 due to the flow of air generated by driving the blower fan 19, and moves in the direction shown by the arrow a in FIG.
It rises on the inclined ionization line 16a.

Thereafter, when the operation is stopped, the blower fan 1 is stopped.
9 and the voltage application to the ionization section 16 is stopped, and the blade member 22 falls by gravity. By the movement of the blade member 22 on the ionization line 16a, for example, as shown in FIG. 6, the foreign matter 24 attached to the ionization line 16a by the blade member 22 is removed.

The blade member 22 is naturally made of a light and slippery resin material or the like so that it receives the flow of air generated by driving the blower fan 19 and rises above the ionization line 16a while rotating. The hole edge of the hole 22a is
It is preferable that the shape is such that the foreign matter 24 attached to the ionization line 16a is easily removed.

It should be noted that the external configuration and the internal arrangement of the illustrated air purifier described above are merely examples, and that the air purifier to which the present invention can be applied is not limited to the external configuration and the internal arrangement. Not even.

[0023]

Therefore, according to the first aspect of the present invention, the ionization line of the ionization part penetrates and is supported by the ionization line, and the blade member is provided movably on the line. And the structure is simple and easy to assemble.

Moreover, when the blower fan is driven, the splash member rises on the ionization line due to the flow of air generated by the drive, and falls when gravity stops when the drive is stopped. Removes foreign matter adhering to the wire, eliminating the need for a drive source such as a motor or an electric circuit, and automatically cleaning the ionized wire with inexpensive means and without user's hand.
It is possible to prevent a decrease in ionization performance and maintain dust collection ability.

[Brief description of the drawings]

FIG. 1 is an external perspective view of an air purifier according to the present invention.

FIG. 2 is an internal schematic configuration diagram showing the air purifier viewed from a side.

FIG. 3 is an internal schematic configuration diagram viewed from the front side.

FIG. 4 is a perspective view showing an ionization section of the air purifier, omitting an ionization electrode plate.

FIG. 5 is an enlarged perspective view showing a state where a blade member moves on an ionization line in the ionization section.

FIG. 6 is an explanatory diagram for explaining that the moving blade member removes foreign matter attached to an ionization ray.

FIG. 7 is an external perspective view of a conventional air purifier.

FIG. 8 is an internal schematic configuration diagram of the conventional air purifier.

[Explanation of symbols]

 Reference Signs List 10 outer case 11 suction grille 12 operation panel 13 blowout grille 16 ionization part 16a ionization wire 16b ionization electrode plate 17 dust collection part 19 blower fan 20 motor 22 blade member 24 foreign matter

Claims (1)

[Claims] 1. An air blower fan for taking in and discharging indoor air, an ionizer for applying a high voltage between an ionization line and an ionization electrode plate to ionize dust in air taken in by the air blower fan, and an ionizer thereof. A dust collecting portion that electrostatically adsorbs the dust ionized by the above; and an ionization line of the ionization portion penetrates, is supported by the ionization line, and is movably provided on the line, and is driven when the blowing fan is driven. A blade member that rises above the ionization line in response to the flow of air generated by the above, falls by gravity when the driving is stopped, and removes foreign matter attached to the line by movement on the ionization line. Cleaner.