JPH04103926A - Blowing unit - Google Patents

Abstract

PURPOSE:To obtain a blowing unit with no rotating parts, by blowing a gas through utilizing corona discharge. CONSTITUTION:A pair of shield plates 1, 1 constitute a gas passage, which is provided with a gas inlet port 1a at one end thereof and with a gas outlet port 16 at the other end. A conductive wire 2 is disposed between the pair of shield plates 1 in an electrically insulated condition. A grid-form sheet 3, permeable to gases, is disposed on the gas outlet port 1b side of the pair of shield plates 1, in the condition of being electrically insulated from the wire 2. When a high voltage of about 5-6kV is applied to the wire 2 from an external high-voltage power supply 4 to cause corona discharge, the discharge develops toward the grid-form sheet 3, releasing positive ions. Because the gas inlet port 1a between the pair of shield plates 1, 1 is opened, the corona discharge draws air through the inlet port la to the space between the pair of shield plates 1, 1, resulting in an air flow in the direction from A to B. This is utilized as a blowing unit.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a blower unit, and more particularly, to a blower unit that utilizes corona discharge.

[Conventional technology]

A conventional air blowing unit includes a wing plate or a flywheel and a drive motor, and obtains the air volume by rotating the wing plate or the flywheel with a motor. The amount of air depends on the rotational speed of the motor and the size of the flywheel or flywheel. By appropriately selecting these, the desired air volume was obtained.

In particular, for installation in long and narrow areas, cross 70-fans using flywheels have been used.

[Problem to be solved by the invention]

The conventional air blowing unit described above has the following drawbacks because it uses a wing plate or a wing wheel.

(1) There are size restrictions.

(2) If it is made small, it will be difficult to obtain the expected air volume.

(3) Since it has a rotating part (drive part), its life is short.

(4) Since it has a rotating part (driving part), the noise is high.

There were drawbacks such as.

An object of the present invention is to provide a blower unit without a rotating part.

[Means to solve the problem]

In order to achieve the above object, the blower unit according to the present invention includes at least a pair of shielding plates, a conductive wire,
This is a blower unit that has a grid-like thin plate and a high-voltage power source, and the pair of shielding plates constitutes a gas flow path, with a gas inlet at one end and a gas conductor at the other end. The conductive wire is electrically insulated and installed between the pair of shielding plates, and the grid-like thin plate has air permeability and is installed between the pair of shielding plates. The high-voltage power supply is installed on the gas outlet side between the conductive wire and the conductive wire to electrically insulate it, and the high-voltage power supply has a potential difference that causes corona discharge from the conductive wire toward the grid-like thin plate. With this, a voltage is applied between the conductive wire and the grid-like thin plate.

[Effect]

A voltage is applied between the conductive wire and the breathable grid-like thin plate to generate corona discharge, and the corona discharge is used to blow gas.

〔Example〕

Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a configuration diagram showing an embodiment of the present invention, and FIG. 2 is a perspective view of the same.

In the figure, the blower unit according to the invention includes at least one pair of shielding plates 1.1, a grid-like thin plate 3, and a conductive wire 2.

The pair of shielding plates 1.1 are made of thin aluminum plates, for example, and are installed in parallel in two stages, upper and lower, to form a gas flow path, and have a gas inlet 1a at one end thereof. Each end is provided with a gas outlet 1b at the other end.

The grid-like thin plate 3 has a plurality of slits 3a, 3a, and is breathable, and is attached to the gas outlet lb side between the pair of shielding plates 1, 1.

The conductive wire 2 is, for example, a tungsten wire with a diameter of about 50 to 100 μm, and the pair of shielding plates 1.
It is located between 1. In the embodiment, the distance between the conductive wire 2 and each shielding plate 1 is set to about 6 degrees.

The conductive wire 2, the shielding plate 1, and the grid-like thin plate 3 are:
The wire 2 is electrically insulated, and a high voltage of approximately 5 to 6 kV is applied from an external high voltage power source 4 to the wire 2 to cause corona discharge.

At this time, discharge occurs toward the grid-like thin plate 3, and positive ions are emitted. Since the gas inlet 1a between the pair of shielding plates 1.1 is open, when corona discharge occurs, air is drawn from the gas inlet 1a between the pair of shielding plates 1.1, as shown in FIG. Wind flows in the direction of A → B. Use this as a blower unit.

The air volume increases by increasing the voltage applied from the outside.
If the voltage is lowered, the air volume will be lower. The air volume can be adjusted by changing the applied voltage.

However, although the voltage is a positive voltage in this embodiment, a negative voltage is also possible. Further, in this embodiment, the shielding plate 1 is used as a part of the electrode, but even if the shielding plate 1 is an insulator and the conductive wire 2 and the grid-like thin plate 3 provided with the slits 3a are used as the electrode. , has the function of a ventilation unit.

〔Effect of the invention〕

As explained above, the present invention uses corona discharge to blow air, so the structure is extremely simple, and it can be manufactured easily at low cost.Moreover, since there is no rotating part (drive part), there is less noise. It's quiet. Furthermore, it can be made into a lightweight and compact flat type, so it can be installed in narrow and long places, so it can be installed anywhere.Furthermore, by changing the length of the shielding plate and wire rod, it can be easily installed in various sizes. The present invention has the advantage that it is possible to configure an air blowing unit with a 100% air flow rate, and that the air volume can be adjusted by changing the applied voltage.

[Brief explanation of drawings]

FIG. 1 is a configuration diagram showing an embodiment of the present invention, and FIG. 2 is a perspective view of the same. 1... Shielding plate 1a... Gas inlet 1b
... Gas outlet 2 ... Conductive wire 3 ... Grid-like thin plate 4 ... High-voltage power supply patent applicant NEC Corporation, -; C

Claims (1)

[Claims] (1) A blower unit including at least one pair of shielding plates, a conductive wire, a grid-like thin plate, and a high-voltage power source, wherein the pair of shielding plates constitutes a gas flow path, and one of the pair of shielding plates constitutes a gas flow path. It is equipped with a gas inlet at one end and a gas outlet at the other end, and the conductive wire is electrically insulated and installed between a pair of shielding plates. The thin plate has air permeability and is installed on the gas outlet side between the pair of shielding plates, electrically insulating it from the conductive wire. 1. A blower unit that applies a voltage between a conductive wire and a grid-like thin plate with a potential difference such that a corona discharge is generated toward the grid-like thin plate.