KR100459454B1 - Pollution control apparatus of plasma lighting system - Google Patents

Abstract

The present invention relates to an apparatus for preventing pollution of an electrodeless lamp, comprising an encapsulating material to emit light while plasmaizing by microwaves generated from a microwave generator formed inside a casing, and an electrodeless bulb protruding out of the casing; A resonator configured to accommodate the electrodeless bulb and block microwaves, and to pass light emitted from the electrodeless bulb; a mirror mounted inside the resonator to reflect light generated from the electrodeless bulb; A reflector mounted on one side of the casing to receive an electrode bulb and a resonator therein to emit light to the outside, and applied inside the reflector to purify contaminants by a photocatalytic phenomenon caused by light emitted from the electrodeless bulb. It is composed of a photocatalyst and uses the photocatalyst generated through the photocatalyst. Is a self-cleaning to the interior of the reflector to prevent the light efficiency is decreased.

Description

Pollution prevention device of induction lamp {POLLUTION CONTROL APPARATUS OF PLASMA LIGHTING SYSTEM}

The present invention relates to an apparatus for preventing contamination of an electrodeless lamp, and more particularly, to provide an apparatus for preventing contamination of an electrodeless lamp for purifying the inside by applying a photocatalyst to the inside of the reflector accommodating the electrodeless bulb and the resonator therein. Is in.

In general, an electrodeless lamp is a kind of high intensity discharge lamp and has a characteristic of long lamp life and excellent lighting effect compared to a conventional incandescent lamp or a fluorescent lamp.

Such an electrodeless lamp is usually made of a transparent material such as glass, and filled with an appropriate amount of inert gas such as sulfur (S) or argon (Ar) or xenon (Xe), and put it in a resonator or inductive coupling. By applying microwave or high frequency through the above-mentioned filling is converted into a plasma state to emit visible light.

1 is a longitudinal sectional view showing the internal structure of an electrodeless lamp.

As shown in the related art, a conventional electrodeless lamp is formed of a transparent body and filled with a filler of an inert gas, and the electrodeless bulb 1 by receiving the electrodeless bulb 1 and supplying microwaves. It consists of excitation means for exciting the filling of.

The excitation means includes a casing C having a predetermined internal volume, a high voltage generator 2 installed at one side of the casing C and supplied with power, and a high voltage generator installed at one side of the high voltage generator 2. The microwave generator 3 which generates microwaves with the high voltage generated by the generator 2 and the microwave generated from the microwave generator 3 by being mounted between the high voltage generator 2 and the microwave generator 3 can be used as an electrodeless light bulb ( A wave guide 4 guiding toward the light emitting portion of 1), a resonator 5 protruding outwardly so as to communicate with the wave guide 4, and receiving a light emitting portion of the electrodeless light bulb 1 to resonate microwaves; A mirror 6 mounted inside the resonator 5 to reflect light generated from the electrodeless light bulb 1, and installed outside the casing C so as to be provided on the outer side of the resonator 5; On the electrode bulb (1) The light that is generated is made, including a reflector 7 to be discharged to the outside.

In addition, one side of the casing (C) is equipped with cooling means for cooling the heat generated in the heating element such as the high voltage generator (2) and the microwave generator (3). The cooling means is coupled to an air guide duct 8 for guiding air, a cooling fan 9 mounted inside the air guide duct 8, and a center of rotation of the cooling fan 9 and a casing ( It is fixed to the inside of the C) consists of a fan motor 10 to drive the cooling fan (9).

The air guide duct 8 is formed in a hollow disc shape and is exposed to the outside of the casing C at the center thereof, while the edge thereof is bent to be received inside the casing C to be opposite to the resonator 5. It is formed integrally with the casing C, and the middle portion of the air guide duct 8 is opened at the rear side (for convenience, the opposite side of the resonator is the rear side) to form the inlet 8a, while the edge is opened to the front side to the discharge port. It is formed so that it may comprise (8b).

In the figure, reference numeral 11 denotes an electric bulb cooling motor, and h denotes an exhaust port.

The electrodeless lamp configured as described above operates as follows.

When external power is supplied to the high voltage generator 2, a high voltage is generated in the high voltage generator 2 and transmitted to the microwave generator 3, and the microwaves generated by the microwave generator 3 carry the wave guide 4. It is transmitted to the inside of the resonator 5 to excite the gas encapsulated in the electrodeless bulb 1 to generate visible light having a unique emission spectrum, the visible light to the mirror (6) and reflector (7) It is totally reflected or going straight as it is to illuminate the surroundings of the reflector (7).

At this time, the high voltage is generated in the high voltage generator 2 and the microwave generator 3, but the heat is cooled by the air flow in which the cooling fan 9 inhales and discharges the air. That is, the fan motor 10 is driven to rotate the cooling fan 9 by the cooling fan 9 to suck the outside air through the intake port (8a) of the air guide duct (8) to discharge in all directions The air discharged in all four directions is discharged into the casing C through the edge discharge port 8b to cool the heat generated by the high voltage generator 2 and the microwave generator 3 while resonating the casing C. It was discharged | emitted outside through the exhaust port h provided in the (5) side.

However, in the electrodeless lamp having a conventional structure as described above, external air is introduced into the reflector 7, and various dusts or contaminants included in the introduced air are discharged from the electrodeless bulb 1 and the resonator 5. Or is attached to the reflector 7, the light efficiency is significantly lowered, there is a problem that the life of the product is shortened when used for a long time.

The object of the present invention devised in view of the above point is to apply a photocatalyst to the inside of the reflector to clean the inside of the reflector using photocatalyst by light emitted from the electrodeless bulb to prevent contamination of the electrodeless lamp It is to provide a prevention device.

1 is a longitudinal sectional view showing the internal structure of a typical electrodeless lamp;

Figure 2 is a longitudinal cross-sectional view showing the internal structure of the electrodeless lamp equipped with a pollution prevention device of an embodiment of the present invention,

3 is an enlarged detailed view of portion “A” of the electrodeless lamp illustrated in FIG. 2;

4 is an enlarged detailed view of a portion “B” of the electrodeless lamp illustrated in FIG. 2;

** Description of the symbols for the main parts of the drawings **

1: electrodeless light bulb 1a: outer peripheral surface

5: resonator 5a: outer peripheral surface

6: mirror

7: reflector

7a: inner side

100: photocatalyst

C: Casing

Contamination prevention device of the electrodeless lamp for achieving the object of the present invention as described above is provided with a sealing material to emit light while being plasmaized by the microwave generated from the microwave generator formed inside the casing, protruding outside the casing And a resonator for accommodating the electrodeless light bulb, the electrodeless light bulb, and blocking the microwaves and passing the light emitted from the electrodeless light bulb, and mounted inside the resonator to reflect light generated from the electrodeless light bulb. An electrodeless lamp comprising a mirror, and a reflector mounted on one side of the casing to receive the electrodeless bulb and the resonator therein to emit light to the outside, the photocatalyst by light emitted from the electrodeless bulb The outer circumferential surface of the electrodeless bulb to purify the contaminants inside the reflector , The outer peripheral surface of the resonator, and is configured by a photocatalyst material coated on the inner surface of the reflector.

Hereinafter, a pollution prevention device of an electrodeless lamp which is an embodiment of the present invention will be described in more detail with reference to the accompanying drawings, and the same parts as in the related art will be described with the same reference numerals.

Figure 2 is a longitudinal sectional view showing the internal structure of the electrodeless lamp equipped with a pollution prevention device according to an embodiment of the present invention, Figure 3 is an enlarged detail "A" portion of the electrodeless lamp shown in FIG. FIG. 4 is an enlarged detailed view of a portion “B” of the electrodeless lamp illustrated in FIG. 2. As shown, the electrodeless lamp is formed of a transparent body and is filled with an inert gas filler. (1) and excitation means for receiving the electrodeless bulb 1 and supplying microwaves to excite the filling of the electrodeless bulb 1.

The excitation means includes a casing C having a predetermined internal volume, a high voltage generator 2 installed on one side of the casing C and supplied with power, and a high voltage generator installed on one side of the high voltage generator 2. The microwave generator (3) for generating microwaves with the high voltage generated by (2), and the microwave generated from the microwave generator (3) mounted between the high voltage generator (2) and the microwave generator (3) for the electrodeless light bulb (1). A wave guide (4) for guiding toward the light emitting portion of the < RTI ID = 0.0 >),< / RTI > A mirror 6 mounted inside the resonator 5 to reflect light generated from the electrodeless light bulb 1, and installed outside the casing C so as to be provided on the outer side of the resonator 5; In bulb (1) Reflector 7 for emitting the generated light to the outside, and the photocatalyst 100 applied inside the reflector 7 to purify the contaminants by photocatalyst due to the light emitted from the electrodeless bulb 1 The photocatalyst 100 is generally made of titanium dioxide (TiO ₂ ), and when the external air containing contaminants is introduced into the reflector 7, the introduced reflector 7 is introduced. Of the outer circumferential surface 1a of the electrodeless light bulb 1 in contact with the air inside, one side 6a of the mirror 6, the outer circumferential surface 5a of the resonator 5, and the reflector 7 It is applied to the inner side surface 7a.

When the cover glass 12 is mounted in the front end opening of the reflector 7, the cover glass 12 is also applied to the inner surface 12a of the cover glass 12 in contact with the air inside the reflector 7.

In addition, one side of the casing (C) is equipped with cooling means for cooling the heat generated in the heating element such as the high voltage generator (2) and the microwave generator (3). The cooling means is coupled to an air guide duct 8 for guiding air, a cooling fan 9 mounted inside the air guide duct 8, and a center of rotation of the cooling fan 9 and a casing ( It is fixed to the inside of the C) consists of a fan motor 10 to drive the cooling fan (9).

The air guide duct 8 is formed in a hollow disc shape and is exposed to the outside of the casing C at the center thereof, while the edge thereof is bent to be received inside the casing C to be opposite to the resonator 5. It is formed integrally with the casing C, and the middle portion of the air guide duct 8 is opened at the rear side (for convenience, the opposite side of the resonator is the rear side) to form the inlet 8a, while the edge is opened to the front side to the discharge port. (8b) is formed.

In the figure, reference numeral 11 denotes an electric bulb cooling motor, and h denotes an exhaust port.

The electrodeless lamp equipped with the pollution prevention device configured as described above is operated in the same manner as the conventional structure so that heat of high temperature is generated together with light in the electrodeless bulb 1, and the light passes through the resonator 5. And emitted to the outside through the reflector 7 to illuminate the surroundings.

In addition, dust or foreign matter contained in the outside air introduced into the reflector 7 may include the outer circumferential surface 1a of the electrodeless light bulb 1, the outer circumferential surface 7a of the resonator 7, and the reflector ( When the inside of the reflector 7 is contaminated by being attached to the inner surface 7a of 7), the outer circumferential surface 1a of the electrodeless bulb 1 in contact with the introduced external air and the resonator 5 are the outer circumferential surface Photocatalytic material 100 applied to 5a, one side 6a of mirror 6, inner side surface 7a of reflector 7, and inner side surface 12a of cover glass 12 ) Reacts with light in an ultraviolet region having a wavelength range of about 380 nm or less among the light emitted from the electrodeless bulb 1 to cause a photocatalytic phenomenon, and the inside of the reflector 7 is purified by the photocatalytic phenomenon.

By purifying the air inside the reflector 7, the concentration of gas or dust flowing from the outside is reduced and purified to form a stable internal state, and various vapors or gases generated by high temperature exposure of the light source component are also By self-purification, the contamination and deterioration of parts can be largely suppressed.

As described above, the pollution prevention apparatus of the electrodeless lamp according to the present invention includes an external air introduced by applying a photocatalyst to the outer circumferential surface of the electrodeless bulb of the electrodeless lamp, the outer circumferential surface of the resonator, and the inner surface of the reflector. By purifying dust, gas, and other impurities by using a photocatalytic phenomenon, there is an effect of preventing the life of a product from being shortened due to a decrease in light efficiency due to dirt or the like.

Claims (7)

It is provided with an encapsulating material to emit light while being plasmaized by microwaves generated in the microwave generator formed inside the casing, and accommodates the electrodeless bulb protruding to the outside of the casing, the electrodeless bulb, the microwave blocking the Light emitted from the electrodeless bulb passes through a resonator, a mirror mounted inside the resonator to reflect light generated from the electrodeless bulb, and the electrodeless bulb and the resonator housed therein to emit light to the outside. In the electrodeless lamp configured to be provided with a reflector mounted on one side of the casing, The photocatalyst is applied to the outer circumferential surface of the electrodeless bulb, the outer circumferential surface of the resonator, and the inner surface of the reflector so as to purify the contaminants inside the reflector due to the photocatalyst caused by the light emitted from the electrodeless bulb. Pollution prevention device of electrodeless lamp. delete delete delete delete The pollution prevention apparatus of claim 1, wherein the photocatalyst is applied to one side of the mirror in contact with the air in the reflector. The pollution prevention apparatus of claim 1, wherein the photocatalyst is applied to an inner surface of the cover glass attached to the front end opening of the reflector.