KR102020984B1 - Led lighting apparatus with indirect lighting type - Google Patents

Abstract

According to a feature of the invention, the horizontally arranged and the base frame 110, the illumination hole 111 is formed in the vertical opening; An LED module 120 extending in a predetermined length along the circumference of the lighting hole 111 and mounted on the base frame 110 and spaced apart from the plurality of LEDs 126 emitting upward along the extended length; The recessed recess 131 is formed at an upper position of the base frame 110 with the LED module 120 interposed therebetween, and a concave upward recessed concave groove 131 is formed at a position facing the illumination hole 111. A reflecting member 130 having an inner surface formed with a reflecting surface 132 which reflects the incident LED light downwardly to the illumination hole 111; And a material or a thickness disposed upright at a predetermined height between the LED module 120 and the lighting hole 111 and capable of blocking light, and partially LED light emitted directly from the LED 126 toward the lighting hole 111. Indirect lighting type including; (A) or a glare blocking wall 140 for covering the dot-shaped reflected light (B) reflected around the lower portion of the reflecting groove 131 is irradiated downward to the illumination hole 111 LED luminaires are provided.

Description

Indirect lighting type LED lighting fixtures {LED LIGHTING APPARATUS WITH INDIRECT LIGHTING TYPE}

The present invention relates to an indirect lighting type LED lighting device, and more particularly, to provide an illumination light in an indirect lighting method that reflects the upwardly emitted LED light downward to the lighting area, which can greatly increase the light distribution range and lighting uniformity, and soft lighting. The present invention relates to an indirect lighting type LED luminaire which realizes the effect and suppresses glare caused by the light source since the reflected light of the dot shape by the light source or the light source is not visually recognized.

1 discloses a configuration of a conventional direct type LED luminaire. Referring to Figure 1, the conventional LED lighting fixture is horizontally arranged and fixedly installed on the ceiling surface of the room while providing a mounting space and the body frame 10 is made of a plate-like horizontal arrangement in the lower body and An LED panel 30 having a plurality of LED chips mounted thereon, and a light diffusion plate 40 mounted on the main body frame 10 to cover the LED panel 30 and downwardly transmitting the LED light emitted from the LED panel 30. ).

In this case, the light diffusion plate 40 is made of a light diffusion structure so that the LED light having a strong straightness is diffused and transmitted, but the LED light is output with high brightness or the vertical gap between the LED panel 30 and the light diffusion plate 40 is increased. When it is narrow, the light emitted from the internal light source is recognized as a dot shape from the bottom, causing glare caused by the light source, and the brightness is relatively dark between each LED chip, resulting in shading, resulting in uneven brightness of illumination light. there was. In addition, the conventional LED lighting fixture has a problem that it is limited to expand the light distribution range of the illumination light irradiated to the illumination area because the LED chip is installed to emit light directly below the horizontally arranged LED panel 30.

Patent Publication No. 10-2016-0055658 (2016.05.18), ballast fixing device for the slim structure of the LED lighting fixture.

The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide illumination light in an indirect lighting method that reflects upwardly emitted LED light downwardly to the illumination area, thereby substantially increasing the light distribution range, and being uniform throughout the illumination area. It is to provide an indirect illumination type LED luminaire that can increase the illumination uniformity by irradiating the illumination light of one intensity, implement a soft lighting effect, and suppress the glare caused by the light source because the light source is not visible from the outside.

According to a feature of the invention, the horizontally arranged and the base frame 110, the illumination hole 111 is formed in the vertical opening; An LED module 120 extending in a predetermined length along the circumference of the lighting hole 111 and mounted on the base frame 110 and spaced apart from the plurality of LEDs 126 emitting upward along the extended length; The recessed recess 131 is formed at an upper position of the base frame 110 with the LED module 120 interposed therebetween, and a concave upward recessed concave groove 131 is formed at a position facing the illumination hole 111. A reflecting member 130 having an inner surface formed with a reflecting surface 132 which reflects the incident LED light downwardly to the illumination hole 111; And a material or a thickness disposed upright at a predetermined height between the LED module 120 and the lighting hole 111 and capable of blocking light, and partially LED light emitted directly from the LED 126 toward the lighting hole 111. Indirect lighting type including; (A) or a glare blocking wall 140 for covering the dot-shaped reflected light (B) reflected around the lower portion of the reflecting groove 131 is irradiated downward to the illumination hole 111 LED luminaires are provided.

According to another feature of the invention, the frame connector 112 to which the driving power is applied is disposed in the base frame 110 or the reflective member 130, the LED module 120 has an extended longitudinal direction Accordingly, the inclined support portion 121 having a seating portion 122 formed therein and an inclined surface 124 mounted in the seating space 122 and having an inclined surface 124 inclined downward toward an inner side toward the lighting hole 111 ( 123 and a plurality of LEDs 126 are mounted on an upper surface thereof, and a lower panel is mounted on the inclined surface 124 and electrically connected to the LED panel 125 mounted at a predetermined inclination angle, and the LED panel 125. It includes a module connector 127 disposed on one side of the support portion 121 so as to be configured to be detachably mounted to the frame connector 112 to supply the applied driving power to the LED panel 125. Indirect lighting type LED lighting The sphere is provided.

According to another feature of the invention, the LED module 120, the LED panel 125 is manufactured in a plurality of standards having different inclination angles (θ1 to θ3) one LED module having an arbitrary specification ( 120 is provided with an indirect lighting type LED luminaire which is selectively mounted on the base frame (110).

As described above, according to the present invention,

First, the LED module 120 that emits upward along the circumference of the illumination hole 111 opened up and down in the center of the base frame 110 is extended, and the LED emitting upward in the upper position of the base frame 110 The indirect lighting system has a structure in which a reflecting member 130 reflects light downwardly to the lighting hole 111. The light distribution range is significantly increased compared to the conventional direct lighting method in which LED light is irradiated downward. It is possible to irradiate the illumination area with uniform light intensity as a whole, to increase the lighting uniformity, to realize a soft lighting effect, and to suppress glare by the light source because the light source is not visible from the outside.

Second, the glare blocking wall 140 is formed between the LED module 120 and the lighting hole 111 is made of a material or thickness that extends upright to a predetermined height and is capable of blocking light, and is illuminated from the LED 126. Some LED light A emitted directly toward the hole 111 or dot-shaped reflected light B reflected around the lower portion of the reflecting groove 131 may cover the downward irradiation to the illumination hole 111. Can block the glare caused by.

Third, the LED module 120 is a support portion 121 having a seating space 122 formed therein, and a slope inclined downward toward the inner side toward the lighting hole 111 and mounted in the seating space 122 ( 124, the inclined support portion 123 is formed, a plurality of LED 126 is mounted on the upper surface and the lower panel is mounted on the inclined surface 124, the LED panel 125 is mounted at a predetermined inclination angle, and the LED panel A module connector disposed on one side of the support part 121 to be electrically connected to the 125 and configured to have a coupling structure detachably mounted to the frame connector 112 to supply the applied driving power to the LED panel 125. Consists of an assembly structure including 127, the LED module 120 is modularized to replace the conventional fluorescent lamps or incandescent lamps, the end of the life of the mounted LED module 120 or light distribution range of the illumination light, If you want to change the brightness or color The frame connector 112 and the module connector 127 has an advantage that can be easily removed and remounted.

Third, the LED module 120 is made of a plurality of standards, the LED panel 125 is made of a different inclination angle (θ1 to θ3) different in each light distribution range, the LED module 120 having an arbitrary specification desired by the user By selecting) to be mounted on the base frame 110 can provide the illumination light in the desired light distribution range can facilitate the user's convenience.

1 is a perspective view showing the configuration of a conventional direct type LED lighting fixture,
Figure 2 is a perspective view showing a state in which the indirect lighting type LED lighting fixture is installed on the ceiling according to an embodiment of the present invention,
3 and 4 is an exploded perspective and side cross-sectional view showing the configuration of the indirect lighting type LED lighting device according to a preferred embodiment of the present invention,
5 is a perspective view showing a state in which the indirect lighting type LED lighting device having a different form according to the preferred embodiment of the present invention installed on the ceiling,
6 and 7 is an exploded perspective view and a side cross-sectional view showing the configuration of the indirect lighting type LED lighting fixture shown in FIG.
8 is a perspective view showing a state in which the indirect lighting type LED lighting device having another form according to a preferred embodiment of the present invention is installed on the ceiling,
9 and 10 are an exploded perspective view and a side cross-sectional view showing the configuration of the indirect lighting type LED lighting fixture shown in FIG. 8;
11 is a side cross-sectional view for explaining a configuration in which glare is blocked by the glare blocking wall according to an embodiment of the present invention;
12 is an exploded perspective view showing the detailed configuration of the LED module according to an embodiment of the present invention,
Figure 13 is a side cross-sectional view showing a configuration that the antistatic film is mounted on the LED module according to an embodiment of the present invention,
Figure 14 is a side view showing a light distribution range for each state and the installed state of the LED panel of the LED module of the LED module according to a preferred embodiment of the present invention.

The objects, features and advantages of the present invention described above will become more apparent from the following detailed description. Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Indirect lighting type LED lighting device 100 according to a preferred embodiment of the present invention, by providing an illumination light in an indirect lighting method that reflects the LED light emitted upward downward to the lighting area, while substantially increasing the light distribution range overall uniformity in the lighting area It is possible to increase the lighting uniformity by irradiating the illumination light of one brightness, implement a soft lighting effect and suppress the glare caused by the light source is not visible from the outside, as shown in Figures 2 to 4 The base frame 110, the LED module 120, the reflective member 130 and the glare blocking wall 140 is included.

First, the base frame 110 is horizontally disposed as a cover member forming the main body of the indirect lighting type LED lighting device 100 and the illumination hole 111 is opened up and down in the center. Here, the base frame 110 may be mounted directly to the ceiling 10 as shown in the drawing or connected to an end of a cable (not shown) extending from the ceiling 10 such as a pendant lighting method to the air of a predetermined height. It may be installed. In addition, the upper surface of the base frame 110 may extend along the circumference of the lighting hole 111 may be provided with a mounting space 113 for mounting the LED module 120.

The LED module 120 is a light source means for providing an illumination light to be irradiated to the illumination area, extending in a predetermined length along the circumference of the illumination hole 111 is mounted to the base frame 110 and along the extended length A plurality of LEDs 126 emitting upwards are spaced apart. Here, although the LED module 120 is illustrated as being made of a circular ring shape, but not limited to this, a plurality of LED modules 120 extending in an arc shape or a straight shape are spaced apart along the circumference of the lighting hole 111. It may be mounted in a disposed form.

The reflecting member 130 is a reflecting means for realizing an indirect lighting function by reflecting the LED light emitted upward downward, and disposed in the upper position of the base frame 110 with the LED module 120 therebetween, Reflective grooves 131 are formed to concave upwards and downwards at positions 111, and reflecting surfaces 132 reflecting the incident LED light downward to the illumination hole 111 on the inner surface of the reflecting grooves 131. Is formed.

Here, the reflective surface 132 may be made of a light reflection material such as stainless steel or aluminum, or may be formed in the form of a high reflection paint is applied to the inner surface of the reflective groove 131 or a high reflection sheet is attached. The surface of the reflective surface 132 may be injection molded using a polycarbonate resin, or the inner surface of the reflective groove 131 may be polished to form a glossy polished reflective surface. In addition, irregularities are formed on the surface of the reflective surface 132 so that the incident LED light can be reflected while being diffused, or particles which scatter the incident light are provided to form a matte reflective surface (matte reflective surface or matte reflective sheet surface). It may be.

The base frame 110, the LED module 120 and the reflective member 130 may vary in overall shape depending on the structure or function of the indirect lighting type LED lighting device (100).

In more detail, as shown in Figures 2 to 4 can be formed in a circular downlight shape, in this case the base frame 110 is made of a circular ring shape in the center of a circular light ball 111 ) Is formed, the LED module 120 is also made of a circular ring shape is seated in the mounting space 113 of the base frame 110, the reflecting member 130 is made of a concave hemispherical upward concave inside Reflective groove 131 may be formed.

In addition, as shown in Figure 5 to Figure 7 may be formed in the shape of a straight tube, such as, in this case, the base frame 110 is formed of a rectangular square frame structure of the opposite two long sides 115 and each The long side 115 has two short sides 116 disposed to face each other, and the long side 115 is provided with a mounting space 113 for mounting the LED module 120.

In addition, the LED module 120 extends linearly and is mounted on two long sides 115 facing each other on the base frame 110, and the reflective member 130 is mounted on the base frame 110. Semi-cylindrical reflective grooves 131 extending upwardly concave along the two long sides 115 are formed inside the two long sides 115 on which the LED module 120 is mounted.

8 to 10, the plurality of reflective grooves 131 may be formed in a rectangular rectangular frame structure. In this case, the base frame 110 may be formed in a rectangular rectangular frame structure. Two opposing long sides 115 and each long side 115 are disposed between the two opposing short sides 116.

In addition, the reflective member 130 extends upwardly concave along the two long sides 115 in a state in which both ends of the two long sides 115 on which the LED module 120 is mounted on the base frame 110. A semi-cylindrical reflective groove 131 is formed therein, and a partition member 133 is disposed inside the reflective member 130 extending longitudinally in the center to partition the interior into two reflective grooves 131. The partition member 133 is provided with a mounting space for mounting the LED module 120.

In addition, the LED module 120 extends linearly and is mounted in the mounting space of the partition member 133 to emit LED light upward toward each of the reflective grooves 131. Although the LED module 120 is illustrated to be disposed only in the partition member 133, the LED module 120 is also mounted to the long side portion 115 of the base frame 110 to emit LED light toward the reflective groove 131 as described above. In addition, a plurality of partition members 133 may be disposed to form three or more reflective grooves 131.

The glare blocking wall 140, the light emitted from the LED 126 through the illumination hole 111 is directly recognized or the reflected light reflected on the lower peripheral portion adjacent to the LED 126 on the reflective surface 132 is visually recognized As a cover means for blocking the thing, as shown in Figures 4, 7, and 10 extending upright to a predetermined height between the LED module 120 and the illumination hole 111 is placed upright and the LED 126 A part of the LED light A emitted directly from the light hole 111 toward the illumination hole 111 or the dot-shaped reflected light B reflected around the lower portion of the reflecting groove 131 is irradiated downward to the light hole 111. do.

Here, referring to FIG. 11A, the width of the mounting space 113 in which the LED module 120 is seated on the base frame 110 is narrow, so that the LED module 120 and the illuminator 111 are laterally approached. In this case, the LED light emitted from the LED 126 is mostly irradiated toward the directing direction of the LED 126, but some LED light (A) diffused to the side is irradiated toward the illumination hole 111 side to the user gaze at an upward inclination angle When exposed to (C), glare by the LED light (A) may occur.

In addition, in the structure in which the reflecting member 130 is disposed on the upper part of the LED module 120, the LED light which is irradiated to the reflecting surface 132 spaced apart from the LED 126 and downwardly reflected is diffused while being irradiated downwardly. Although the brightness of the LED light is low, there is no glare, but the reflected light B irradiated and reflected from the portion of the reflecting surface 132 (bottom circumference) proximate from the LED 126 has a high brightness and is reflected by the user's eyes (Veiling Reflection). Exposure to C) may cause glare caused by the reflected light B.

However, as shown in FIG. 11B, the LED light A or the reflected light B is covered by the glare blocking wall 140 extending upwardly along the extended length of the LED module 120. It can effectively suppress the occurrence of glare.

At this time, the second surface for reflecting the incident light on the inner surface of the glare blocking wall 140, the LED light (A) or the reflected light (B) is incident and the bottom surface of the seating space 113 of the base frame 110 The reflective member 141 may be disposed to reflect the incident light to the reflective surface 132, thereby minimizing light loss caused by the glare blocking wall 140.

On the other hand, the indirect lighting type LED lighting device 100 according to a preferred embodiment of the present invention is made of a removable structure that the user can replace the LED module 120 can increase the user's convenience.

To this end, as illustrated in FIGS. 3, 6, and 9, the frame connector 112 to which driving power is applied is disposed in the base frame 110 or the reflective member 130.

And, as shown in Figure 12, the LED module 120, the mounting portion 121 is formed in the seating space 122 therein along the extended longitudinal direction, and mounted in the seating space 122 and the illumination An inclined support portion 123 having an inclined surface 124 inclined downward toward an inward direction toward the ball 111 and a plurality of LEDs 126 are mounted on an upper surface thereof, and a lower portion thereof is mounted on the inclined surface 124. The LED panel 125 is mounted at an inclination angle and is disposed on one side of the support portion 121 to be electrically connected to the LED panel 125 and is formed of a fitting structure detachably mounted to the frame connector 112. It includes a module connector 127 for supplying the applied driving power to the LED panel 125.

Therefore, the light distribution range of the illumination light can be easily adjusted by a simple structure change that changes the inclination angle θ of the inclined surface 124 of the inclined support part 123 supporting the LED panel 125.

In addition, when the LED module 120 is modularized to replace the conventional fluorescent lamp or incandescent lamp, the installed LED module 120 has reached the end of its life or to change the distribution range, luminance or color of illumination light. The frame connector 112 and the module connector 127 can be easily removed and remounted.

In addition, as shown in FIG. 12, the transparent cover 128 is formed on the upper portion of the support part 121 to cover the LED panel 125 and is formed of a light-transmitting material so that the LED panel 125 is externally disposed. It protects from the dust and prevents foreign matter such as dust or moisture from contacting the LED panel 125.

Here, the transparent cover 137 is mounted in a structure that is arranged to extend in the front end of the base portion 121 so that the curved bending surface is formed as shown in the figure can protect the LED panel 125 inside from the outside In addition, as shown in FIG. 13, the transparent antistatic film is formed in the form of covering the light emitting side surface of the LED module 120, that is, the LED panel 125, so that foreign matters such as dust or moisture are not included in the LED. It is adsorbed by 126 and can prevent effectively the fall of luminous intensity.

When the floodlight cover 128 is made of the antistatic film, the antistatic film heated by the heater (not shown) as shown in (a) of FIG. 13 may be mounted on the surface of the LED 126. In the state in close contact with the light emitting side surface of the LED module 120 including the 126, the vacuum suction device (not shown) using the vacuum suction device (not shown) through the through hole 129 vertically opened in the LED panel 125 in the vacuum suction downward By doing so, as shown in Figure 13 (b) it can be mounted so that the antistatic film is firmly in close contact with the surface of the LED module 120.

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On the other hand, as shown in Figure 14, the LED module 120 is made of a plurality of standards in which the LED panel 125 is made of different inclination angle (θ1 to θ3), each light distribution range (R1 to R3) different. Manufactured by mounting the LED module 120 having an arbitrary specification desired by the user to the base frame 110, the user can provide the illumination light in the desired light distribution range can facilitate the user's convenience.

For example, when the basic inclination angle θ1 of the LED panel 125 is about 45 degrees, as shown in FIG. 14A, the light distribution range of the illumination light reflected by the reflecting member 130 and incident into the illumination region is shown. Is a R1 when the inclination angle θ2 of the LED panel 125 is increased to approximately 60 degrees as shown in FIG. 14B, and the reflection angle of the illumination light due to the incident angle of the LED light toward the reflective groove 131 is increased. The light distribution range R2 of the illumination light becomes relatively larger than R1 (R1 < R2).

On the other hand, as shown in FIG. 14C, when the inclination angle θ3 of the LED panel 125 is reduced to approximately 30 degrees, the reflection angle of the illumination light due to the incident angle of the LED light directed to the reflective groove 131 is decreased. The light distribution range R3 of the illumination light becomes smaller than R1. (R1> R3) Therefore, when the LED module 120 is manufactured in various standards having different inclination angles θ of the LED panel 125, The user will be able to selectively use the illumination light of various light distribution range by purchasing the LED module 120 of the standard having the desired light distribution range and replacing the LED module 120 mounted on the LED lighting device (1). .

According to the configuration and function of the indirect lighting type LED lighting device 100 according to the preferred embodiment of the present invention as described above, along the circumference of the lighting hole 111 opened up and down in the center of the base frame 110 The LED module 120 which emits upwards is disposed to be extended, and an indirect lighting method in which an upper surface of the base frame 110 is disposed with a reflecting member 130 which reflects upwardly emitted LED light to the lighting hole 111 is disposed. It has a structure, and it is possible to obtain a wider light distribution range (126 degrees) than the light distribution range (108 degrees) of the conventional direct lighting method using a light diffusing plate. As the illumination light is irradiated, the illumination uniformity can be increased, a soft lighting effect can be realized, and the light source is not visually recognized from the outside, thereby suppressing glare caused by the light source.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be apparent to those who have knowledge.

100 ... Indirect Lighting Type LED Lighting Fixtures
110 ... base frame 111 ... lighter
120 LED module 121
123 Slope support 125 LED panel
126 ... LED 127 ... module connector
130 ... Reflective member 131 ... Reflective groove
132 ... reflective 140 ... glare barrier

Claims (3)

A base frame 110 having horizontally arranged and having an illumination hole 111 opened vertically in the center; An LED module 120 extending in a predetermined length along the circumference of the lighting hole 111 and mounted on the base frame 110 and spaced apart from the plurality of LEDs 126 emitting upward along the extended length; The recessed recess 131 is formed at an upper position of the base frame 110 with the LED module 120 interposed therebetween, and a concave upward recessed concave groove 131 is formed at a position facing the illumination hole 111. A reflecting member 130 having an inner surface formed with a reflecting surface 132 which reflects the incident LED light downwardly to the illumination hole 111; And a material or a thickness disposed upright at a predetermined height between the LED module 120 and the lighting hole 111 and capable of blocking light, and partially LED light emitted directly from the LED 126 toward the lighting hole 111. (A) or a glare blocking wall 140 for covering the dot-shaped reflected light B reflected around the lower portion of the reflecting groove 131 to be irradiated downward to the illumination hole 111;
The reflective surface 132 is a reflective surface formed by injection molding the surface smoothly using a polycarbonate-based resin,
The LED module 120 is composed of an LED panel 125 on which a plurality of LEDs 126 are mounted on an upper surface, and a transparent antistatic film, and closely adheres to the light emitting side surface of the LED module 120 by a vacuum suction method. It is mounted to include a transparent cover 128 to cover the LED panel 125 and the LED 126 from the outside,
The glare blocking wall 140 reflects the light A and B incident on the inner surface on which the LED light A or the reflected light B is incident to the reflective surface 132 of the reflective member 130. 2 reflecting member 141 is disposed,
The base frame 110 has a rectangular rectangular frame structure and has two opposite side portions 115 and two short side portions 116 disposed to face each other, respectively.
The long side portion 115 is formed with a mounting space for mounting the LED module 120,
The reflective member 130 has a semi-cylindrical reflecting groove 131 extending upwardly concave along the two long sides 115 in a state in which both side ends of the two long sides 115 extend on the base frame 110. Formed on,
A partition member 133 is disposed inside the reflective member 130 extending in the longitudinal direction at the center to divide the interior into two reflective grooves 131.
The partition member 133 is provided with a mounting space for mounting the LED module 120,
The LED module 120 extends linearly to be mounted in the mounting space of the partition member 133 and the mounting space of the long side portion 115 to emit LED light toward the reflecting groove 131. Indirect lighting type LED luminaire characterized by the above.
The method according to claim 1,
The frame connector 112 to which driving power is applied is disposed in the base frame 110 or the reflective member 130.
The LED module 120,
Support portion 121 and the seating space 122 is formed therein along the extended longitudinal direction,
An inclined support part 123 mounted in the seating space 122 and having an inclined surface 124 inclined downward toward an inward direction toward the lighting hole 111;
It is arranged on one side of the support portion 121 to be electrically connected to the LED panel 125 and is provided with a coupling structure detachably mounted to the frame connector 112 to supply the applied driving power to the LED panel 125. It further comprises a module connector 127,
The LED panel 125 is indirect lighting type LED lighting device, characterized in that the lower portion is mounted on the inclined surface 124 is mounted at a predetermined inclination angle.
The method according to claim 2,
The LED module 120,
The LED panel 125 is manufactured in a plurality of standards having different inclination angles θ1 to θ3 so that one LED module 120 having an arbitrary specification is selectively mounted on the base frame 110. Indirect lighting type LED lighting fixtures.

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