KR20110006419A - Illumination assembly and beacon having the same - Google Patents

Abstract

PURPOSE: An illumination assembly and a beacon having the same are provided to increase brightness and luminance by improving a structure for guiding the light from the beacon to parallel beams. CONSTITUTION: A reflecting body comprises the reflecting surface in outer circumference. The reflecting surface has the semi-parabola shape upwardly. A circuit board is combined in the lower part of the reflecting body. A lighting-emitting area(15) comprises a plurality of light sources. A plurality of light sources are arranged along the outline of the reflecting surface. The reflecting body changes incident light into parallel beam.

Description

ILLUMINATION ASSEMBLY AND BEACON HAVING THE SAME}

The present invention relates to an illumination assembly and an illuminator having the same, and more particularly, to an illumination assembly having an improved structure so as to increase the brightness and luminance of light emitted from a light source.

In general, the light register emits intense light at night to indicate the location and danger area of the land when the ship or aircraft is operating. The register is used for the operation of a shelf and is housed inside a buoy which is usually a sign indicating a lighthouse or route. In addition, the register is used in a route display installation installed on the top of the mountain close to the air route for the operation of the aircraft.

These lanterns should be illuminated at high luminosity so that ships and aircraft in flight at night can have sufficient field of view.

On the other hand, the conventional illuminator uses an incandescent lamp as a light source so that the light can reach to a long distance, the light emitter using the incandescent bulb has a problem that the brightness and luminance of the light irradiated from the light source is not high.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to provide a lighting assembly having an improved structure and an illuminator having the same so as to increase the brightness and luminance of light irradiated with a light source.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

Lighting assembly according to a preferred embodiment of the present invention for achieving the above object, the reflecting portion is formed with a reflecting surface having a semi-parabolic shape upward on the outer periphery, a circuit board coupled to the lower portion of the reflecting portion, and on the circuit board The light emitting unit may include a light emitting part including a plurality of light sources mounted to be disposed along an outer surface of the reflective surface.

In addition, the reflector reflects light incident from the light source through the reflecting surface and converts the light into parallel light.

In addition, the reflecting portion has a circular cross section in which the diameter of the reflecting surface extends along the semiparabolic path toward the upward direction, and preferably has a shape in which the longitudinal cross-section of the reflecting portion is symmetrical.

In addition, the circuit board preferably has a circular cross section.

In addition, the light sources may include a light emitting diode (LED) disposed near or in focus of the reflective surface.

In addition, the reflector and the circuit board may be provided with a heat sink (heat sink) for radiating heat generated by the light emitting unit. Here, the heat dissipation part is preferably formed through the center of the reflecting portion and the circuit board in a hollow.

In addition, the lighting assembly of the present invention may be further provided on the outside of the reflecting unit and the circuit board, the light transmitting portion for transmitting the light irradiated from the light source.

The light transmitting portion may be formed in a cylindrical closed loop shape to surround an outer periphery between the reflecting portion and the circuit board.

The lighting assembly of the present invention may further include a lens unit provided outside the light emitting unit and converting the light incident from the light source to convert the light into parallel light. Here, the lens unit is preferably a collimator (Collimator).

The lens unit may be formed in a closed loop shape along the outer periphery of the light sources on the circuit board.

In addition, the lens unit is preferably located in an area where light outside the reflection area by the reflector is directly incident.

In addition, the lens unit preferably has a height corresponding to the vertical height from the upper surface of the circuit board to a virtual straight line connecting the upper end of the light source and the reflective surface.

In addition, the lighting device according to a preferred embodiment of the present invention for achieving the above object, the lighting assembly as described above, the base portion for supporting the lighting assembly, and is accommodated in the base portion to supply power to the lighting assembly It may include a power supply.

Specific details of other embodiments are included in the detailed description and the drawings.

According to the lighting assembly of the present invention and the lighting device having the same as described above, by improving the structure of the lighting device so that the light irradiated from the light source can be guided in the form of parallel light as a whole through the reflecting portion having a semi-parabolic shape, The luminous intensity and luminance increase.

In addition, by providing a heat dissipation unit formed through the center of the lighting assembly to be hollow, it is possible to effectively dissipate heat generated by the light emitting diode used as the light source.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, with reference to the accompanying drawings will be described in detail the lighting assembly according to a preferred embodiment of the present invention and an equalizer having the same. In the following description, well-known functions or constructions are not described in detail to avoid unnecessarily obscuring the subject matter of the present invention.

Prior to the description of the present invention, the illuminator described below exemplifies a configuration having one lighting assembly. However, the present invention is not limited thereto, and a configuration in which two or more lighting assemblies are stacked may also be applied.

1 is a perspective view of an illuminator according to an embodiment of the present invention, FIG. 2 is a perspective view of the lighting assembly shown in FIG. 1, FIG. 3 is a bottom perspective view of the lighting assembly shown in FIG. 5 is a front view of the lighting assembly shown in FIG. 2, and FIG. 6 is a cross-sectional view taken along the line VI-VI of FIG. 5.

As shown in Figure 1 to Figure 6, the equalizer 1 according to an embodiment of the present invention may include an illumination assembly 10, the base portion 20 and a power supply (not shown).

The lighting assembly 10 is installed in the base unit 20 to irradiate light by receiving power from the power supply unit.

The lighting assembly 10 may include a reflector 11, a circuit board 13, a light emitter 15, a light emitter 17, and the like.

The reflecting portion 11 is formed with a reflecting surface 11a having an upward semiparabolic shape on the outer circumference. For example, the reflecting portion 11 has a circular cross section in which the diameter of the reflecting surface 11a extends along the semiparabolic path toward the upward direction, and the longitudinal cross section of the reflecting portion 11 is preferably symmetrical.

The reflector 11 reflects the light incident from the light source through the semi-parabolic reflective surface 11a and converts the light into parallel parallel light in the lateral direction X of the axial direction Y of the reflector 11. Play a role.

In the circuit board 13, one surface on which a plurality of LEDs 16 to be described later are mounted is coupled to the lower portion of the reflector 11.

The circuit board 13 includes a plurality of LEDs 16 and electronic devices (not shown). Here, the plurality of electronic devices mounted on the circuit board 13 may include a power supply required for driving the LED 16 and a resistor, a semiconductor, a diode, and the like for adjusting brightness of light.

In this embodiment, the circuit board 13 has a configuration having a circular cross section corresponding to the cross-sectional shape of the reflector 11, but is not limited thereto, and the circuit board 13 is independent of the shape of the reflector 11. For example, it may have a polygonal cross section.

The light emitting unit 15 includes a plurality of light sources mounted on the circuit board 13 along the outer side of the reflective surface 11a. Here, the light source may be a light emitting diode (LED) 16 having high brightness and high brightness, and is mounted on the circuit board 13 in the form of an LED package. The LED 16 is called a luminescence (electric field emission) generated when a voltage is applied to the semiconductor is a light emitting diode that emits light using such an electric field emission. The LED 16 has a long lifespan, and since electric energy is directly converted into light energy, the power consumption is low, so the efficiency is excellent, and the lifespan is longer than that of a general light bulb (lamp).

The plurality of LEDs 16 are arranged in a circular shape adjacent to or near the focal point F of the reflecting surface 11a having a semiparabolic path, such that the light irradiated from the LEDs 16 is reflected by the reflecting surface 11a and paralleled thereto. Converted to light.

In addition, a heat sink 14 for radiating heat generated by the light emitting unit 15 may be provided in the reflector 11 and the circuit board 13.

Since the heat dissipation unit 14 generates high heat due to the characteristics of the LED 16 used as the light source, the heat dissipation unit 14 is provided on the reflecting unit 11 and the circuit board 13 to dissipate the heat. For example, in the present exemplary embodiment, the structure of the heat dissipation unit 14 formed through the center of the reflecting unit 11 and the circuit board 13 to be hollow is illustrated, but not limited thereto, and various heat dissipation structures are possible. Do. In addition, the heat dissipation unit 14 may further include a plurality of heat dissipation fins (not shown) disposed radially on the hollow inner circumferential surface formed at the center of the reflector 11 and the circuit board 13. That is, the plurality of heat dissipation fins can increase the contact surface with the air to effectively dissipate heat generated from the light source.

The light transmitting unit 17 is provided outside the reflecting unit 11 and the circuit board 13 and refracts and transmits the light emitted from the LED 16 light source.

The light transmitting part 17 may be formed of a synthetic resin or glass material, and is preferably made of a transparent material so that light emitted from the LED 16 light source is transmitted.

The light transmitting part 17 may be formed in a cylindrical closed loop shape so as to surround the outer periphery between the reflecting part 11 and the circuit board 13.

In addition, the lighting assembly 10 of the present invention is attached to one surface of the circuit board 13 by an adhesive or the like so as to be located outside the light emitting unit 15 to refract the light incident from the LED 16 light source to convert into parallel light. The lens unit 19 may be further included.

The lens unit 19 may be formed on the circuit board 13 in a closed loop shape along an outer circumference of the LED 16 light source.

The lens unit 19 may be located in a region where light outside the reflective region by the reflector 11 is directly incident. To this end, the height H of the lens unit 19 corresponds to a vertical height from an upper surface of the circuit board 13 to an imaginary straight line L connecting the top end of the LED 16 light source and the reflecting surface 11a. It is preferable to form.

The lens unit 19 may include a collimator (hereinafter, referred to as '19') for refracting the light incident from the LED 16 light source and converting the light into parallel light. Here, since the collimating lens 19 can be understood by a known technique, detailed description thereof will be omitted.

The base part 20 may include a base body 21, a body coupling part 23, a cover part 25, and a support pin 27.

The base body 21 may include an illumination support 21a for supporting the lighting assembly 10 and an accommodating portion 21b for receiving a power supply for supplying power to the lighting assembly 10.

The body coupling portion 23 extends from the bottom of the base body 21 and is coupled to a lighthouse (not shown) on which the lamp 1 is installed.

In addition, a hinge part (not shown) may be provided to hinge the lighting support part 21a and the receiving part 21b so that the lighting support part 21a can be opened and closed with respect to the receiving part 21b. That is, the light support part 21a is hinged to open and close with respect to the accommodating part 21b, thereby accommodating and releasing the power supply part in the accommodating part 21b. The coupling method of the lighting support 21a and the receiving portion 21b may be rotationally coupled in the circumferential direction in addition to the hinge coupling.

The cover part 25 is provided to cover the upper part of the reflective part 11 of the lighting assembly 10 to block the lighting assembly 10 from the foreign matter so that the foreign matter does not flow into the lighting assembly 10.

The support pins 27 are provided to penetrate the centers of the base body 21, the lighting assembly 10, and the cover part 25 so as to prevent the play of the lighting assembly 10 with respect to the base body 21.

The power supply unit (not shown) is accommodated in the accommodating portion 21b of the base body 21 and serves to supply power to the LED 16 of the lighting assembly 10.

The power supply unit may use a storage battery for storing electricity, or a solar cell using sunlight.

The light register 1 of the present invention configured as described above is mainly used for being housed inside a fixture pointing to a lighthouse or a route for safe operation of a ship or aircraft. These lamps (1) are to be illuminated at high luminosity so that ships or aircraft in operation at night may have sufficient visibility into the land and dangerous areas of the land.

7 and 8 are exemplary diagrams showing light distribution that may be implemented in the lighting assembly of the present invention. FIG. 7 is an exemplary view showing an optical path during light distribution in an illumination assembly not including a collimating lens, and FIG. 8 is a collimating lens. Exemplary diagram showing an optical path during light distribution in an illumination assembly comprising a.

First, referring to FIG. 7, light emitted from a plurality of LED 16 light sources is reflected by a reflecting surface 11a having a semiparabolic shape. At this time, the plurality of LED 16 light sources are arranged in a circular shape adjacent to the focal point F of the reflecting surface 11a having a half parabolic path, or the light emitted from the LED 16 light source is reflected on the reflecting surface 11a. The light is reflected and converted into parallel light in parallel with the horizontal direction X in the axial direction Y of the reflector 11, and the light is distributed.

In addition, the light transmitting portion 17 is formed in a cylindrical closed loop shape so as to surround the outer periphery between the reflecting portion 11 and the circuit board 13, thereby refracting and transmitting the light irradiated from the LED 16 light source. At this time, the light in the reflecting region by the reflecting portion 11 is reflected by the reflecting surface 11a and then transmitted through the light transmitting portion 17 to be distributed as parallel light, and the light out of the reflecting region by the reflecting portion 11. The silver penetrates through the light transmitting portion 17 directly and is refracted upward to distribute light.

In addition, by including a heat radiating portion 14 formed through the center of the reflecting portion 11 and the circuit board 13 in a hollow, it is possible to effectively dissipate heat generated by the light emitting diode (LED) 16 used as a light source. have.

Next, referring to FIG. 8, since the collimating lens 19 is further provided on the circuit board 13 along the outer periphery of the LED 16 light sources, light that is out of the reflecting region by the reflecting unit 11 is collimated. It is refracted by the lens 19 and converted into parallel light. That is, the light irradiated from the plurality of LEDs 16 is reflected by the semi-parabolic reflector 11 or refracted by the collimating lens 19 to be transmitted, and the light is distributed in the form of parallel light as a whole.

Accordingly, the present invention improves the structure of the brightener 1 so that the light irradiated from the LED 16 light source can be guided in the form of parallel light as a whole through the reflection surface 11a having a semi-parabolic shape. It can be seen that the luminous intensity and luminance of 1) are increased.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1 is a perspective view of an illuminator according to a preferred embodiment of the present invention.

FIG. 2 is a perspective view of the lighting assembly shown in FIG. 1. FIG.

3 is a bottom perspective view of the lighting assembly shown in FIG. 2.

4 is an exploded perspective view of the lighting assembly shown in FIG. 2.

FIG. 5 is a front view of the lighting assembly shown in FIG. 2. FIG.

6 is a cross-sectional view taken along line VI-VI of FIG. 5.

7 and 8 are exemplary views showing light distribution that may be implemented in the lighting assembly of the present invention.

<Description of Symbols for Main Parts of Drawings>

1: equalizer 10: lighting assembly

11 Reflector 13 Circuit Board

15: light emitting unit 16: LED

17: light transmitting portion 19: lens portion (collimating lens)

20: base portion 21: base body

23 body coupling portion 25 cover portion

27: support pin

Claims (19)

A reflector on which a reflecting surface having an upward semiparabolic shape is formed at an outer circumference; A circuit board coupled to a lower portion of the reflector; And And a light emitting unit having a plurality of light sources mounted on the circuit board so as to be disposed along the periphery of the reflective surface. The illumination assembly of claim 1, wherein the reflector reflects light incident from the light source through the reflecting surface and converts the light into parallel light. The illumination assembly of claim 1, wherein the reflector has a circular cross section in which the diameter of the reflecting surface extends along a semiparabolic path toward the upward direction. The illumination assembly of claim 1, wherein the reflector has a shape in which the longitudinal cross-section is symmetrical. The lighting assembly of claim 1, wherein the circuit board has a cross section corresponding to a cross section of the reflector. The lighting assembly of claim 1, wherein the light sources comprise light emitting diodes (LEDs). The illumination assembly of claim 1, wherein the light sources are disposed at or adjacent to the focal point of the reflective surface. The lighting assembly of claim 1, wherein a heat sink is provided on the reflector and the circuit board to dissipate heat generated by the light emitting unit. The lighting assembly of claim 8, wherein the heat dissipation part is formed through the center of the reflection part and the circuit board in a hollow manner. The lighting assembly of claim 1, further comprising a light transmitting part disposed outside the reflecting part and the circuit board to transmit light emitted from the light source. The lighting assembly of claim 10, wherein the light transmitting part is formed in a cylindrical closed loop shape so as to surround an outer circumference between the reflecting part and the circuit board. The lighting assembly of claim 10, further comprising a lens unit disposed outside the light emitting unit to convert the light incident from the light source to be converted into parallel light. The illumination assembly of claim 12, wherein the lens unit is formed in a closed loop shape along an outer periphery of the light sources on the circuit board. The illumination assembly of claim 12, wherein the lens unit is positioned in an area in which light outside the reflection area by the reflector is directly incident. The illumination assembly of claim 14, wherein the lens unit has a height corresponding to a vertical height from an upper surface of the circuit board to an imaginary straight line connecting the light source and the top of the reflective surface. The illumination assembly of claim 12, wherein the lens unit comprises a collimator. A reflector on which a reflecting surface having an upward semiparabolic shape is formed at an outer circumference; A circuit board coupled to a lower portion of the reflector; A light emitting unit including a plurality of light sources mounted on the circuit board so as to be disposed along an outer side of the reflective surface; And And a lens unit formed on the circuit board in a closed loop shape along the outer periphery of the light sources and converting the light incident from the light source into parallel light. A reflecting portion having a reflecting surface whose outer diameter extends along a semiparabolic path toward an upward direction; A light emitting unit including a plurality of light sources disposed along an outer edge of the reflective surface at a focal point of or adjacent to the reflective surface; A circuit board disposed under the reflector and mounted with the light sources; A transmissive part formed in a cylindrical closed loop shape to surround an outer circumference between the reflecting part and the circuit board and transmitting light emitted from the light source; And And a lens unit formed on the circuit board in a closed loop shape along the outer periphery of the light sources and converting the light incident from the light source into parallel light. An illumination assembly of any one of claims 1 to 18; A base part for supporting the lighting assembly; And And a power supply unit accommodated in the base unit and supplying power to the lighting assembly.

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