KR101122162B1 - Led light apparatus - Google Patents

Abstract

A frame having a plurality of supports connected to be arranged at different angles; Each of the support portion of the frame includes a plurality of LED lighting unit is installed at a different angle, the LED lighting unit, the heat sink is installed on the back of the frame; An LED module supported by the heat sink and exposed to the front of the frame; An LED lighting apparatus comprising a; and a lens cover detachably coupled to the LED module to cover the LED module.

Lighting, frame, age, heatsink, lens

Description

LED lighting device {LED LIGHT APPARATUS}

The present invention relates to an LED lighting apparatus, and more particularly, to a lighting apparatus for focusing the remote lighting that can brighten the distant light.

Recently, the development of lighting devices using LEDs (LED), which are cheaper and more efficient than conventional lighting devices, is being actively conducted, and various products have been released and applied in various fields.

In general, the LED lighting device is used to protect several LEDs by covering them with one protective cover (mostly acrylic or glass-glass series). And it is common to have a configuration in which the reflection shade is installed at the rear of each LED to reflect the light emitted from the LED to the front.

As described above, the reflection shade and the protective cover are manufactured separately and have an assembled structure, thereby increasing the number of parts and increasing the cost.

In addition, when a plurality of LEDs are covered with one protective cover, since the light generated from each LED cannot be effectively dispersed, there is a problem in that efficiency is reduced.

In addition, in order to secure bright lighting, a plurality of LEDs should be installed. Since the lighting direction and the lighting distance of each of the plurality of LEDs may be different according to the installation location and environment of the lighting device, the lighting device can be easily adjusted. Development is in dire need.

The present invention was conceived in view of the above, LED protection cover for a long distance that can be installed to correspond to each single LED (LED) individually to direct the light while guiding the light effectively while at a distance. The purpose is to provide a lighting device having a.

LED lighting device of the present invention for achieving the above object, and a frame having a plurality of supports connected to be arranged at different angles; It includes a plurality of LED lighting unit is installed at a different angle for each support of the frame,

The LED lighting unit, the heat sink is installed on the back of the frame; An LED module supported by the heat sink and exposed to the front of the frame; And a lens cover detachably coupled to the LED module to cover the LED module.

Here, the LED module, the housing is coupled to the heat sink; A substrate coupled to the front side of the housing; And an LED installed on the substrate, wherein the lens cover is coupled to cover the outer surface of the housing.

In addition, the lens cover is coupled to cover the housing, the cover body portion having an LED mounting portion is inserted into the lower surface and the housing and the LED module is inserted and coupled; A lens unit formed to protrude in a dome shape from a central portion of the cover body portion to guide light emitted from the LED module to a distance; And a reflector formed on an inner circumferential surface of the cavity groove formed to be drawn into the lens unit to reflect light emitted from the LED module to the lens unit.

The lens unit may include a spherical lens surface formed in a dome shape on the outside thereof; And a conical lens surface formed conical on the ceiling inside the cavity groove to correspond to the spherical lens surface.

In addition, each of the inner surface of the LED mounting portion of the lens cover and the outer surface of the housing is formed in a position corresponding to each other and complementary to each other is formed stopper groove and stopper projection, respectively, any one of the stopper groove and the stopper projection The lens cover may be disposed at regular intervals in the engagement direction of the lens cover to adjust the position of the lens cover to be coupled.

According to the LED lighting apparatus of the present invention, by forming the lens unit having a spherical lens surface and a conical lens surface and the reflection unit integrally on the LED protective lens cover, the light generated from the LED module is not diffused (dispersed) sideways By collecting the light so that the light can be irradiated farther, as well as by intensively collecting the light and guided to be sent far, bright light can be maintained to be transmitted to a long distance.

In addition, since the lens cover can be easily separated and combined, there is an advantage in that the replacement mounting of the LED module is convenient.

And since the assembly position of the lens cover can be easily adjusted, there is an advantage that the installer can easily adjust the concentrated light position of the light going in different directions by adjusting the assembly height of the lens cover according to the site situation.

Hereinafter, an LED lighting apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1, 2, 3, 4 and 5, the LED lighting apparatus according to an embodiment of the present invention, the frame 100, a plurality of LED lighting unit (installed on the frame 100 ( 200).

The frame 100 is a metal plate, and has first to fourth support parts 110, 120, 130, and 140 connected at different angles, and a fastening part 160 having fastening holes 150 around the first to fourth support parts 110, 120, 130, and 140. ) Has an integrally connected configuration.

The first to fourth support parts 110, 120, 130, and 140 may have different areas and angles thereof, thereby providing different illumination directions of the LED lighting units 200 installed on the respective support parts.

The LED lighting unit 200 is installed in the frame 100, each may be independently on / off driving control, it may be on / off driving at the same time.

The LED lighting unit 200 is a heat sink 20, as shown in Figure 2, 3, 4 and 5, the LED module 30 and the LED module supported on the heat sink 20. It is provided with a lens cover 40 (hereinafter referred to as a "protective cover") coupled to the heat sink 20 to cover.

The heat sink 20 supports the LED module 30 and is formed of a metal material to dissipate heat generated from the LED module 30, and may include a plurality of heat dissipation pieces 22 on the outside. . The heat sink 20 may be formed in a variety of shapes and sizes, the shape or material and size does not limit the subject innovation.

The heat sink 20 is installed at the rear of the frame 100, and is coupled to the LED module 30 disposed at the front with the frame 100 interposed therebetween.

The LED module 30 includes a substrate 31, an LED 32 and a module housing 33 installed on the substrate 31. The substrate 31 having one LED 32 is installed in the heat sink 20.

The lens cover 40 is fitted and coupled to the outside of the housing 33 to cover the LED module 30.

The lens cover 40 has a predetermined thickness and a cover body portion 41 coupled to cover the housing 33, and a lens portion protruding upward from a central portion of the cover body portion 41 in a dome shape ( 42 and an LED mounting portion 44 having a reflecting portion 43 formed inside the lens portion 42, and the LED module 30 is inserted into and coupled to a lower inner side of the cover body portion 41. Is formed.

The cover body portion 41 has a rectangular planar shape and is coupled to the housing 33 to cover the LED module 30. A plurality of stopper grooves 41a are formed on the inner surface of the cover body portion 41, that is, the inner surface of the LED mounting portion 44. A plurality of stopper grooves 41a are formed at regular intervals in the vertical direction and are symmetrically formed on inner surfaces of the LED mounting portion 44 facing each other.

The stopper protrusions 33a are formed on each of the outer side surfaces of the housing 33 to correspond to the stopper grooves 41a. According to the above configuration, when the housing 33 is covered using the lens cover 40, the stopper protrusion 33a is formed in any one of the plurality of stopper grooves 41a depending on the depth of covering the lens cover 40. Complementarily fitted and combined. Thus, by forming the stopper groove 41a and the stopper protrusion 33a coupled to each of the lens cover 40 and the housing 33, the distance between the lens portion 42 and the LED 32 can be adjusted and assembled. Will be. Therefore, when installing a plurality of LED lighting unit 200 in the frame 110 as shown in Figure 1, by varying the assembly position of each lens cover 40 according to the installation position, the irradiation range and distance of the LED light can be adjusted There is an advantage and the operator can easily adjust to the site situation in the field.

The lens portion 42 protrudes in a dome shape from the center portion of the cover body portion 41 to the upper portion, and has an outer spherical lens surface 42a and a conical lens surface 42b formed therein. The conical lens surface 42b corresponds to the ceiling of the cavity groove 45 formed to be introduced into the predetermined shape from the central portion of the inner surface of the cover body portion 41 to the lens portion 42, and is conical from the center to the outside. It is formed into a shape. The conical lens surface 42b of such a configuration concentrates the light reflected by the reflecting portion 43 and the light coming directly from the LED module 30, and then, through the spherical lens surface 42a without being diffused. Guide the light so that it is focused at a distance.

The reflector 43 corresponds to an inner wall surface of the cavity groove 45, and has a structure formed in an inverted cone shape such that its inner diameter is gradually diffused from the LED module 30 toward the lens part 42. Have Therefore, the reflector 43 reflects the light diffused sideways from the LED module 30 to the conical lens surface 42b without being directly irradiated to the conical lens surface 42b, that is, serves as a reflection shade. Done. It is preferable that the surface of the reflecting portion 43 is provided with a plating layer 43a plated with a metal material such as chromium, and the like, as described above, by providing the plating layer 43a in the reflecting portion 43, the LED module 30 is provided. It is possible to reflect the light from the more effectively.

The lighting apparatus according to the embodiment of the present invention having the above constitution can reduce the number of parts by integrating the function of the reflection shade and the function of the lens and the protective cover into one lens cover 40, and thus the assembly and It is easy to disassemble and has the advantage of reducing the cost.

In addition, by forming the lens portion 42 having the spherical lens surface 42a and the conical lens surface 42b and the reflecting portion 43 integrally with the lens cover 40, the light generated by the LED module 30 is formed. By collecting the light toward the center so as not to be diffused (dispersed) to the side, the light can be irradiated farther, and the light can be concentrated and guided to be sent far, so that bright light can be maintained and transmitted to a long distance. That is, the light generated by the LED module 30 is scattered by the reflecting portion 43 of the inverted cone and the scattered light is collected to pass through the conical lens portion 42b (diffusing lens), the concentrated light is an example. For example, as it passes through the magnifier, it can be expanded greatly while maintaining a bright light to a long distance. Therefore, even if the LED module 30 having a single LED 32 is applied, it is possible to provide bright light far, it can be expected to reduce the cost and energy savings through the reduction of the number of parts. Therefore, it is very suitable for floodlights, street lights, security lights, etc., which are installed in high places, and when installed in front of the surveillance camera, the separation of objects becomes more certain, and thus the surveillance effect can be improved.

In addition, even when the failure of the LED module, after removing the lens cover 40, the LED module 30 can be easily and simply replaced, there is an advantage that the maintenance is convenient.

Through the following Comparative Examples and Experimental Examples, the lighting apparatus according to the embodiment of the present invention having the configuration as described above will be described for the effect of the possible long-distance intensive illumination compared to the prior art.

Comparative example

According to the present invention, the distance was measured by the distance of the illumination of one LED in each of the state without the LED protective lens cover (A1 type), the general cover only installed (A2 type) through the experiment, the consumption was used The power is 4W. The experimental results are shown in Table 1 below.

Measuring position (unit: M) A1 type illuminance (LUX) Measurement roughness of A2 type (LUX) One 35 108 2 11 43 3 7 22 4 5 10 5 3 7 6 1.8 4.4

Experimental Example

Illumination device having an LED protective cover having the same configuration as in the embodiment of the present invention was measured by the illuminance by distance based on the LED 1 with a power consumption of 4W, B1 type is shown in Figs. The LED protective cover as described above is mounted, and the B2 type represents a state in which the angle (tilt) of the reflector is reduced in the B1 type, and the B3 type represents a state in which the angle (tilt) of the reflector is increased in the B1 type. The experimental results are shown in Table 2 below.

Measuring position (unit: M) Roughness of type B1
(LUX) Roughness of type B2
(LUX) B3 type roughness
(LUX) One 320 229 157 2 80 76 56 3 50 40 33 4 25 21 19 5 16 11 11 6 10 5 7

As seen through the above Comparative Examples and Experimental Examples, it can be seen that when using the LED protective cover according to the embodiment of the present invention can be particularly brightly distant lighting than in the prior art.

In addition, in the case of the lighting device of the present invention, a plurality of LED lighting unit 200 is installed on the frame 110, it can be arranged to face different angles, the lens cover of each lighting unit 200 ( By adjusting the position of the coupling 30 differently, by controlling the degree of diffusion and concentration of the illumination light, there is an advantage that can be concentrated in various places of the distance, the distance for the load of light load the lens cover 40 assembly position There is an advantage that can be easily adjusted by simply adjusting.

As mentioned above, although the preferred embodiment for illustrating the principle of this invention was shown and demonstrated, this invention is not limited to the structure and operation as it was shown and described. Various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention claimed in the claims, as well as such changes and modifications are the scope of the claims It is within the scope of the substrate.

1 is a perspective view showing an LED lighting apparatus according to an embodiment of the present invention.

Figure 2 is a perspective view of the LED lighting unit shown in Figure 1 shown.

Figure 3 is an exploded perspective view of the LED lighting unit shown in FIG.

4 is a cross-sectional view of the LED lighting unit shown in FIG.

5 is a front view of the lens cover shown in Figure 4 taken.

<Description of Symbols for Main Parts of Drawings>

20. Heatsink 30. LED module

40.lens cover 100.frame

200..LED lighting unit

Claims (5)

delete delete A frame having a plurality of supports connected to be arranged at different angles; It includes a plurality of LED lighting unit is installed at a different angle for each support of the frame, The LED lighting unit, A heat sink installed on a rear surface of the frame; An LED module supported by the heat sink and exposed to the front of the frame; And And a lens cover detachably coupled to the LED module to cover the LED module. The LED module, A housing coupled to the heat sink; A substrate coupled to the front side of the housing; And It includes; LED installed on the substrate, The lens cover is coupled to wrap around the outer surface of the housing, The lens cover, A cover body portion coupled to cover the housing and having an LED mounting portion inserted into a bottom surface and into which the housing and the LED module are inserted and coupled; A lens unit formed to protrude in a dome shape from a central portion of the cover body portion to guide light emitted from the LED module to a distance; And a reflector formed on an inner circumferential surface of the cavity groove formed to be led into the lens unit to reflect light emitted from the LED module to the lens unit. The method of claim 3, wherein the lens unit, A spherical lens surface formed in a dome shape on the outside; And a conical lens surface formed in a conical shape on a ceiling inside the cavity groove to correspond to the spherical lens surface. The method according to claim 3 or 4, On each of the inner surface of the LED mounting portion of the lens cover and the outer surface of the housing, stopper grooves and stopper protrusions which are provided at positions corresponding to each other and are complementarily coupled to each other are formed, Any one of the stopper groove and the stopper protrusion is disposed at a predetermined interval in the coupling direction of the lens cover, the LED lighting apparatus, characterized in that the coupling can be adjusted by adjusting the position of the lens cover.

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