JPS60183048A - Electrostatic air purifier - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to an air cleaner using an electrostatic dust collection method for use in general households, automobiles, clean rooms, and the like.

Conventional Structure and Problems Conventionally, electrostatic air cleaners have used a motor fan and an ion wind source as air sources. The former motorquan method can obtain a large air volume and rapidly purify the air, but it is unsuitable for general homes and hospitals where quietness is required due to the high noise during use, and the latter ion wind method Although almost complete noise reduction can be achieved using these methods, each method has the disadvantage that it is very difficult to obtain a large amount of airflow, and in particular, it is extremely difficult to perform rapid purification.

Conventionally, these two wind generation methods have been adopted separately, and no air purifier has been proposed that utilizes wind generation sources using two methods at the same time.

However, in actual use, a large air volume is not required during regular use, and the blowing capacity of ionized wind is sufficient, and on the other hand, when rapid purification is desired, it is possible to tolerate a little noise, each having its own merits. There was a strong desire to create an air purifier that could be used to take advantage of this.

Purpose of the Invention The present invention aims to solve these conventional problems and provide an easy-to-use air purifier that eliminates the drawbacks of the motor fan type and ion wind type and can be used by taking advantage of the advantages of each. .

Structure of the Invention The electrostatic air purifier of the present invention is capable of generating ionized wind, and includes a main case having an intake port and an exhaust port, a fan provided as an air source within the main case, and an ionizing electrode and a counter electrode. and a switching means for switching the operation of these two air sources from the outside of the main case, so that air purification is normally performed by air generation using ionized wind, and only when rapid purification is required. A motor fan is driven by a switching means to increase the air volume and purify the air rapidly.

DESCRIPTION OF EMBODIMENTS The structure of an embodiment of the present invention will be described below with reference to the drawings.

1 is the main case 7 of the air cleaner, 2 is an intake port for a dust-containing air flow, and 3 is an air outlet. 4 is an ionization electrode made of a tungsten wire or the like having a diameter of 60 to 100μ, 5 and 6 are a counter electrode and an accelerating electrode made of an aluminum plate, etc., and each is connected with a metal pipe 7.8, and both ends are made of ceramic or the like. It is screwed and integrated into a holder 9 made of an inorganic insulator, and is installed on the lip 1o of the main case 1.

A high voltage of 10 to 20 KVO is applied between the ionization electrode 4 and the counter electrode 5 via the high voltage power supply 11, and a high voltage of 6 to sKV is also applied between the acceleration electrode 6 and the counter electrode 5 to form a high electric field. ing.

Furthermore, a part of the main case 1 on the intake port 2 side has an intake port 12.
A casing part 14 is formed in which a discharge port 13 is formed, and a fan 15 driven by a motor is installed in the casing part 14.
is installed. A power switch for the high-voltage power source 11 and a drive switch for the motor are mounted so that they can be operated from outside the main case 1 (not shown).

In this embodiment, a high voltage causes a corona current to flow between the ionizing electrode 4 and the counter electrode 6, and the ions collide with air molecules to generate an air flow due to their viscosity. This is the ionic wind. At the same time as the ion wind is generated, the ions charge the dust in the dust-containing air, and this charged dust receives electrostatic force due to the high electric field formed between the accelerating electrode 6 and the counter electrode 5, and is transferred to the counter electrode 5. Dust is collected by suction.Furthermore, when the fan 15 is also rotated by the changeover switch, the air intake port 12
The dust-containing air sucked in from the air outlet 13 is blown into the air passage through the discharge port 13, is similarly charged by the ionization section, and is attracted and collected by the counter electrode 5. At this time, if only ionized air is used, the amount of air used to process dust-laden air is set to the minimum necessary to purify the air in the room at all times, achieving complete silence and at the same time reducing the ionization current. It is possible to reduce the amount of ozone generated, and it is also possible to eliminate ozone odor, which was the biggest problem when trying to obtain a large amount of air with ionized wind. Also, when the dirt is particularly heavy, the 77-n 15 is rotated to increase the processing air volume, but since there is already air volume from the ion wind, the additional amount is only a small amount and the ultra-low speed rotation (
1oo to 600 r, p, m), a sufficient increase in air volume can be obtained, and rapid purification is possible with almost no increase in noise.

Furthermore, the operations of these two wind sources can be switched simply by operating a switch attached to the outside of the main case 1, making it easy to use.

In this embodiment, the fan is attached to a part of the intake port side, but it may be installed near the exhaust port after the ionization section and the dust collection section, but its attachment is not restricted by position.

Effects of the Invention As described above, according to the present invention, there are two sources of wind generation: ion wind and fan, and only ion wind is used at all times, but when rapid purification is required, the fan is switched to operate. By using these products together, they can be used to compensate for each other's shortcomings and take advantage of only their strengths, which is extremely effective in providing an air purifier that is easy to use in actual use. It is something.

[Brief explanation of the drawing]

The figure is a sectional view of an electrostatic air cleaner showing an embodiment of the present invention. 1...Main case, 2...Intake port, 3...
...Exhaust port, 4...Ionization electrode, 5.
...Counter electrode, 14...Fan.

Claims (1)

[Claims] An ionized wind generating section consisting of a main case having an intake port and an exhaust port, a fan provided as an air source within the main case, an ionization electrode and a counter electrode that forms a high electric field between the ionization electrode. This electrostatic air purifier is equipped with a switching means for switching the operation of these two wind sources from outside the main case.