KR20030008355A - Microwave lighting system - Google Patents

Abstract

PURPOSE: An illuminating system using microwave is provided, in which electric bulb, magnetron, high voltage generator and the cooling fan are arranged in line, to thereby allow the illuminating system to be easily installed in a narrow space. CONSTITUTION: An illuminating system using microwave, comprises an electric bulb(50) for emitting light by the microwave transmitted through a waveguide; a resonator(60) covering front portions of the waveguide and the electric bulb, and which allows the light emitted from the electric bulb to exit but is opaque to microwave radiation; a magnetron(20) mounted within a casing(10), and which generates microwave for allowing the electric bulb to emit light; and a high voltage generator(30) mounted within the casing in such a manner that the high voltage generator supplies a high voltage power to the magnetron.

Description

Lighting system using microwaves {MICROWAVE LIGHTING SYSTEM}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting system using microwaves, and more particularly, to a lighting system using microwaves, which is suitable for reducing the width of a system in consideration of constraints on installation space.

In general, a luminaire using microwaves is a device that applies microwaves to an electrodeless plasma bulb and emits visible or ultraviolet light therefrom, and has a longer lamp life and superior lighting effects than conventional incandescent or fluorescent lamps. .

1 is a longitudinal sectional view showing an example of an illumination system using microwaves.

As shown in the drawing, a conventional microwave lighting system includes a magnetron 2 mounted inside the casing 1 to generate microwaves, and a high voltage generator for boosting and supplying commercial AC power to the magnetron 2 at a high pressure. 3) and a waveguide (4) communicating with the outlet of the magnetron (2) to transmit microwaves generated by the magnetron (2), and microwave energy enclosed with a luminescent material inside and transmitted through the waveguide (4). The light bulb 5 which emits light while the encapsulated material is excited and is converted into plasma, and the light emitted from the light bulb 5 while covering the waveguide 4 and the light bulb 5 in front of the waveguide 4 are blocked. A resonator 6 passing through, a reflector 7 which receives the resonator 6 and concentrates and reflects light generated from a light bulb, and a magnetron 2 and a high pressure generator 3 on one side of the casing 1 Cooling) Consists of a cooling fan assembly (8).

The casing 1 forms an air inlet 1a at a lower half corresponding to the cooling fan 8b to be described later, and an air outlet at an upper half of the casing 1 corresponding to the magnetron 2 and the high pressure generator 3, respectively. 1b).

The magnetron 2 and the high pressure generator 3 are mounted on both sides of the circular waveguide 4, of which the magnetron 2 is mounted so as to communicate radially from the side of the waveguide 4.

The cooling fan assembly 8 is mounted in the fan housing 8a having an air flow path in the lower half of the casing 1 and inside the fan housing 8a to suck air from the outside of the casing 1 and suck it into the inside. It consists of a cooling fan 8b and the fan motor 8c attached to the rotation center of the cooling fan 8b, and rotating the cooling fan 8b.

In the figure, reference numeral 9 denotes a bulb motor for rotating the bulb, and M denotes a mirror that passes through microwaves but reflects light.

The lighting system using the conventional microwave as described above operates as follows.

That is, when the control unit inputs a driving signal to the high pressure generator 3, the high pressure generator 3 boosts AC power to supply the boosted high pressure to the magnetron 2, and the magnetron 2 oscillates by the high pressure. Generates microwaves with a high frequency, the microwaves radiate through the waveguide 4 into the resonator 6 to discharge the encapsulated material in the bulb 5 to generate light having a unique emission spectrum, This light reflected the front by the reflector 7 and the mirror M to brighten the space.

However, in the conventional microwave lighting system as described above, as the magnetron 2 and the high-pressure generator 3 are mounted on both sides of the waveguide 4, the overall width of the lighting system is increased and the width of the installation space is increased. In a narrow case, there was a problem in that the above-described lighting system cannot be installed.

In addition, the air inlet and the air outlet for cooling the inside of the casing are respectively formed to correspond directly to the cooling fan, the magnetron, and the high-pressure generator, so when the lighting system is installed outdoors, rain water may flow into the casing. There was a disadvantage to add a waterproof member or waterproof structure.

The present invention has been made in view of the problems of the conventional lighting system using a microwave as described above, it is an object of the present invention to provide a lighting system using a microwave that can be easily installed even when the installation space is narrow.

Another object of the present invention is to provide an illumination system using microwaves that can be installed outdoors without a separate waterproof member or waterproof structure.

1 is a longitudinal sectional view showing an example of a lighting system using a conventional microwave.

Figure 2 is a longitudinal sectional view showing an example of the illumination system using the present invention in a plan view.

Figure 3 is a longitudinal sectional view showing an example of a lighting system using the present invention microwave.

4 is a perspective view schematically showing an example of an illumination system using the present invention microwaves.

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

10 casing 11: first air passage

11a: air inlet 12: second air passage section

12a: air outlet 12b: drain hole

13: blocking wall 13a: air vent

14: air guide 14a: air guide

20: magnetron 21: cooling fin

30: high pressure generator 40: waveguide

50 light bulb 51 light emitting unit

52: shaft 53: bulb motor

60: resonator 70: reflector

80: cooling fan assembly 81: cooling fan

82: fan motor M: mirror

In order to achieve the object of the present invention, a light bulb for generating light by the microwaves transmitted through the waveguide, and the resonator, which is covered in front of the waveguide and the light bulb to block the microwave while passing the light emitted from the light bulb, in line with the light bulb A magnetron that is arranged to be mounted inside the casing and emits the light bulb, and a high-voltage generator that is mounted inside the casing to supply high voltage power by arranging in parallel with the light bulb and the magnetron; A lighting system using a microwave including a cooling fan and a fan motor mounted inside the casing so as to be arranged in a line with a high-pressure generator to suck the air outside the casing and discharge the air to the inside to cool the heat generated therein. To provide.

In addition, the casing accommodates the magnetron, the high pressure generator, the cooling fan, and the fan motor so as to communicate with the first air passage portion having an air inlet so that the air sucked by the cooling fan passes first, and the first air passage portion. And a second air passage portion having an air outlet so as to be discharged to the outside after the air passing through the first air passage portion secondarily passes through the first air passage portion.

Hereinafter, a lighting system using a microwave according to the present invention will be described in detail based on an embodiment shown in the accompanying drawings.

Figure 2 is a longitudinal sectional view showing an example of the illumination system using the present invention in a plan view, Figure 3 is a longitudinal sectional view showing an example of the illumination system using the present invention from the side, Figure 4 is a lighting system using the present invention microwaves A perspective view schematically showing an example of the present invention.

As shown in the drawing, the illumination system using microwaves according to the present invention includes a casing 10 having an inner space and having an air inlet 11a and air outlets 12a and 12a communicating with the inner space. A magnetron 20 mounted inside the 10 to generate microwaves, a high voltage generator 30 arranged in line with the magnetron 20 so as to boost and supply a commercial AC power to the magnetron 20 at a high pressure, and a magnetron Waveguide 40 which communicates with the outlet of the (20) and delivers the microwaves generated in the magnetron 20, and arranged in line with the magnetron 20 and the high-pressure generator (30) and encloses the light emitting material inside the waveguide The light bulb 50 generates light while the material encapsulated by the microwave energy transmitted through the light is plasma-formed, and is covered in front of the waveguide 40 and the light bulb 50 to block microwaves while the light bulb 50 is blocked. The light emitted from the light is passed through the resonator 60, the reflector 60 receives the resonator 60 and reflects the light generated from the light bulb 50 to go straight, the magnetron 20 and the high-pressure generator 30 and Arranged in a line with the bulb 50 is composed of a cooling fan assembly 80 for cooling the inside of the casing (10).

The casing 10 has a longitudinal shape that is long in the longitudinal direction with respect to the light bulb so as to receive the magnetron 20, the high pressure generator 30, and the cooling fan assembly 80 sequentially from the light bulb 50. (11), second air passage portions (12, 12) formed so as to communicate with both sides of the first air passage portion (11), first air passage portion (11) and second air passage portion (12, It consists of the blocking wall part 13 and 13 which partitions 12).

The first air passage part 11 forms a plurality of air holes (unsigned) on the opposite side of the bulb 50 to form an air inlet 11a, and a cooling fan to be described later on the inner surface of the air inlet 11a. The cooling fan 81 is mounted to correspond to the inlet side of the 81, and an air filter (not shown) is mounted on the outer surface of the air inlet 11a to filter out dust contained in the air when the air is inhaled. It is preferable.

The air inlet 11a may be formed at one end surface of the first air passage part 11, but may be formed at each side of one end in some cases.

In addition, the middle portion of the first air passage portion 11, that is, between the high-pressure generator 30 and the magnetron 20 collects the air flowing into the first air passage portion 11 through the air inlet (11a) to the magnetron An air guide 14 having an air guide 14a at its center portion is also formed in the transverse direction so as to concentrate the supply on the 20.

As described above, the second air passage portions 12 and 12 are formed by partitioning the blocking wall portions 13 and 13 on both sides of the first air passage portion 11, and the bulbs 50 are disposed at both ends of the front and rear ends. It is formed by opening the front surface and blocking the rear surface opposite to the air surface so that air flows in one direction. However, when the lighting system is installed in a vertical shape outdoors, rain water or the like flows into the second air passages 12 and 12 through the air outlets 12a and 12a of the second air passages 12 and 12. In view of the above, it is preferable to form a plurality of drain holes 12b and 12b in the rear face.

The blocking wall portions 13 and 13 are provided with air passages 13a and 13a communicating with the first air passage portion 11 and the second air passage portions 12 and 12, respectively, and the air passages 13a and 13a. Is preferably formed on both sides of the installation portion of the magnetron 20 as far as possible from the air inlet (11a) so that the sucked air is discharged after cooling the magnetron (20).

Magnetron 20 is arranged in line with the bulb 50, the cooling fin 21 is preferably arranged in the longitudinal direction to comply with the flow direction of air as shown in FIG.

In addition, the magnetron 20 is coupled to the side surface of the waveguide 40 in the width direction in consideration of the waveguide 40 is formed in a long rectangular shape in the longitudinal direction.

The high pressure generator 30 is disposed in line with the magnetron 20 with the air guide 14 therebetween and fixedly installed therein.

The waveguide 40 is formed in a cross-sectional shape of the letter 'A' in planar projection, one side of which penetrates the shaft portion 52 of the bulb 50 to be described later in the longitudinal direction, and the other side thereof exits the magnetron 20 in the width direction ( Antenna 22) is coupled through.

The light bulb 50 includes a light emitting portion 51 formed in a 'sphere' shape to enclose a light emitting material, and a shaft portion 52 welded to the light emitting portion 51 and extending into the casing 10.

The shaft portion 52 of the bulb 50 penetrates one side of the waveguide 40 in the longitudinal direction and is coupled to the bulb motor 53 whose end rotates the bulb 50 at the middle of the magnetron 20.

The cooling fan assembly 80 is coupled to a cooling fan 81 that is fixed to the inner surface of the air inlet 11a provided in the first air passage part 11 of the casing 10, and the rotation center of the cooling fan 81. It consists of a fan motor 82 mounted inside the first air passage (11).

The cooling fan 81 is preferably installed as an axial fan that sucks air in the axial direction and discharges the air as it is in consideration of the first and second air passage portions 11, 12 and 12 of the casing 10.

In the drawings, reference numeral M denotes a mirror that passes through microwaves but reflects light.

Effects of the lighting system using the present invention microwave as described above are as follows.

That is, when the high pressure generator 30 boosts AC power and supplies the boosted high pressure to the magnetron 20, the magnetron 20 generates microwaves by oscillating by high pressure, and the microwaves generate the microwave through the waveguide 40. (60) While radiating inside to discharge the encapsulated material in the bulb 50 to generate light, the light reflects forward by the reflector 70 and the mirror (M) to brighten the space.

At this time, when the fan motor 82 is driven by the control unit to rotate the cooling fan 81 which is an axial flow fan, external air is supplied to the air inlet 11a of the first air passage part 11 by the cooling fan 81. Cooling through the high pressure generator 30 and the magnetron 20, and then flows into the second air passage (12, 12) through the air vent (13a, 13a) provided in the blocking wall (13, 13) Then through the air outlet (12a, 12a) to the outside of the casing (10).

Here, when the air filter (not shown) is mounted to the outside of the air inlet (11a), the air filter (not shown) filters out foreign matter in the air sucked in, so that each part inside the casing (10) is dusty and dusty. It is possible to prevent the deterioration of performance due to the same foreign matter.

In addition, since the air guide 14 is provided between the high pressure generator 30 and the magnetron 20, the air that flows into the first air passage part 11 and cools the high pressure generator 30 first is the air guide ( 14) to be concentrated and supplied to the magnetron 20 can be effectively cooled to the magnetron 20 is generated particularly high heat.

In addition, since the air inlets 13a and 13a of the blocking wall portions 13 and 13 are provided on both sides of the installation portion of the magnetron 20, which is a position far from the air inlet 11a, the air introduced through the air inlet 11a The maximum supply of the magnetron 20 is the highest temperature can effectively lower the temperature inside the casing (10).

In addition, since the air outlets 12a and 12a of the second air passage portions 12 and 12 open toward the light emitting portion 51 of the bulb 50, the air passing through the first air passage portion 11 is discharged to the bulb ( 50) or by cooling the outer surface of the reflector 70 including the same, the heat generated from the bulb 50 may be cooled to an external degree.

In addition, since the drain holes 12b and 12b are formed on the bottom surfaces of the second air passages 12 and 12, even when rainwater flows in through the air outlets 12a and 12a when the system is installed vertically in the outdoors, the drain holes ( 12b, 12b) to prevent system failure.

The lighting system using the microwave according to the present invention comprises a vertical lighting system by arranging a light bulb, a magnetron, a high pressure generator and a cooling fan in a row, thereby reducing the overall width of the lighting system and lighting even when the installation space is narrow. The device can be easily installed.

In addition, since the casing has a dual structure, only a simple air passage and a drainage passage are formed on the outside, so that the lighting system can be effectively installed outdoors.

Claims (16)

A light bulb which generates light by microwaves transmitted through the waveguide, A resonator which is placed on the front of the waveguide and the bulb to block microwaves while passing the light emitted from the bulb, A magnetron arranged in line with the bulb and mounted inside the casing to generate microwaves to emit the bulb; Lighting system using a microwave including a high-pressure generator mounted inside the casing to supply a high voltage power to the magnetron. The method of claim 1, The high-pressure generator is a lighting system using a microwave, characterized in that arranged in line with the bulb and the magnetron. The method of claim 1, And a cooling fan and a fan motor mounted inside the casing, the cooling fan and the fan motor cooling the heat generated therein by sucking and discharging the air outside the casing. The method of claim 3, The cooling fan is a microwave-based lighting system, characterized in that mounted on one side of the high-pressure generator to be arranged in line with the bulb, the magnetron and the high-pressure generator. The method of claim 4, wherein The cooling fan is an illumination system using a microwave, characterized in that the axial flow fan. A light bulb which generates light by microwaves transmitted through the waveguide, A resonator which is placed on the front of the waveguide and the bulb to block microwaves while passing the light emitted from the bulb, A magnetron arranged in line with the bulb and mounted inside the casing to generate microwaves to emit the bulb; A high pressure generator disposed in the casing to be arranged in line with the light bulb and the magnetron to supply a high voltage power; Microwave including an axial fan and a fan motor disposed inside the casing to be arranged in a line with a light bulb, a magnetron and a high-pressure generator to suck and discharge the air outside the casing to cool the heat generated therein. Lighting system using. The method of claim 6, The casing includes a first air passage unit for accommodating a magnetron, a high pressure generator, a cooling fan, and a fan motor, and having an air inlet so that air sucked by the cooling fan passes first; A second air passage portion formed at both sides so as to communicate with the first air passage portion, and having an air outlet to discharge to the outside after the air passing through the first air passage portion passes secondly; An illumination system using microwaves, comprising: a plurality of blocking walls that partition the first air passage portion and the second air passage portion so as to communicate with each other. The method of claim 7, wherein And the air inlet is formed at one end surface of the casing corresponding to the light bulb. The method of claim 7, wherein And the air inlets are formed at sides of one end of the casing opposite to the bulb. The method according to claim 8 or 9, Lighting system using a microwave, characterized in that the air inlet further comprises an air filter. The method of claim 7, wherein The air outlet is an illumination system using a microwave, characterized in that the air circulating the casing is formed toward the bulb to cool the heat generated in the bulb. The method of claim 7, wherein The blocking wall portion may be formed with air passages communicating with the first air passage portion and the second air passage portion, respectively, wherein the air passage may be configured such that the first air passage portion communicates with the second air passage portion at a position far from the air inlet. Illumination system using microwaves, characterized in that each forming an air vent on the portion facing the installation position. The method of claim 7, wherein In the middle of the first air passage portion, the illumination system using a microwave, characterized in that for mounting the air guide having an air guide perpendicular to the flow direction of the air to collect the sucked air. The method of claim 13, The air guide is a microwave illumination system, characterized in that mounted between the magnetron and the high-pressure generator. The method of claim 7, wherein Illumination system using a microwave, characterized in that to form a drain hole for discharging rain water, the air outlet opposite the second air passage. The method according to claim 1 or 6, The front side of the casing is equipped with a light reflector for receiving a light bulb and a resonator to direct the light generated from the light bulb, characterized in that made using a microwave.