KR102111440B1 - Lighting apparatus with light distribution control function - Google Patents

Abstract

According to one aspect of the present invention, an LED lighting device having a light distribution control function comprises: a body unit (110) having an upper portion thereof fixed to a ceiling or a wall surface, and having a downwardly opened space unit (111) formed at a lower portion thereof; a cover unit (120) horizontally disposed at a lower portion of the body unit (110) to cover the opened space unit (111), and having a light transmitting plate (121) of a light-transmitting material provided at the center thereof; a PCB (131) horizontally disposed in the space unit (111); an LED module (130) including a plurality of LEDs (132) disposed to be distributed at a bottom surface of the PCB (131) to downwardly emit illumination light; and a light distribution control plate (140) made of a plate of a shape corresponding to the PCB (131) to be horizontally disposed on the bottom surface of the PCB (131), made of a reflective material or formed with a reflective member (141) at a bottom surface to downwardly reflect the illumination light, formed with light distribution grooves (142) at a position corresponding to each of the LEDs (132), and having a vertically opened LED insertion groove (143) for downwardly exposing the LEDs (132) at the center of each of the light distribution grooves (142). The light distribution grooves (142) are formed in a groove shape which is upwardly and concavely recessed to allow the light distribution angle (θ2) of the illumination light reflected to an inner surface to be relatively smaller than the light distribution angle (θ1) of the illumination light emitted from the LEDs (132).

Description

LED lighting device with light distribution control function {LIGHTING APPARATUS WITH LIGHT DISTRIBUTION CONTROL FUNCTION}

The present invention relates to an LED lighting device having a light distribution control function, and more specifically, a light distribution control plate is disposed between a PCB on which a LED is mounted and a light emitting plate to reflect light upward reflected from the surface of the light emitting plate to reduce light efficiency. The present invention relates to an LED lighting device equipped with a light distribution control function that allows illumination light to be irradiated at a set light distribution angle while increasing.

Referring to FIG. 1, in general, an LED lighting device provides illumination light by irradiating light emitted from the LED 400 mounted on the bottom surface of the PCB 300 downward. In addition, the illumination light emitted from the LED 400 is diffused and irradiated at a light distribution angle θ1 of approximately 120 degrees, whereby it is desired to narrow or widen the light distribution angle of the LED 400 depending on the purpose or installation location of the lighting device. As shown in FIGS. 2 and 3, a lens 200 is mounted for each LED 400 to adjust a light distribution angle.

However, there is a problem in that manufacturing time and manufacturing cost are greatly increased because such lenses 200 have to be individually arranged for each LED 400. In addition, the lens 200 is usually made of an organic material such as acrylic or polycarbonate (PC) so that light from the light source can be transmitted. The organic material has a high surface resistance and easily generates static electricity. There is a problem in that foreign matter such as dust is adsorbed on the surface due to static electricity.

In addition, in the process of emitting high-brightness LED, a large amount of driving heat is generated. Due to this heat generation, the surface of the lighting device becomes more dry, and thus, the generation of static electricity is further exacerbated. There was a problem in that the yellowing phenomenon occurred on the surface of the lens 200 and the light efficiency was rapidly reduced due to a decrease in transmittance.

On the other hand, the bottom surface of the PCB 300 is coated with a reflective coating for downward reflection of the illumination light reflected upward from the surface of the light-transmitting plate. Since the reflective coating usually uses a white coating, the reflective coating PCB 300 is coated. There was a problem that the manufacturing process is cumbersome because it can be easily contaminated while mounting the LED 400 in a soldering method.

Registration Utility Model Publication No. 20-0486216 (2018.04.10), LED lighting module with protective case.

The present invention was created to solve the above-mentioned problems, and the object of the present invention is to produce illumination time and manufacturing cost by allowing illumination light to be irradiated at a set distribution angle in which a light distribution control plate disposed between a PCB and a light-transmitting plate instead of a conventional lens is set. It is to provide a LED lighting device with a light distribution control function that can significantly reduce, and does not deteriorate the luminosity due to foreign matter such as dust or aging, and pollutes the surface of the PCB during the process of mounting the LED on the PCB. .

According to a feature of the present invention, the upper portion is fixed to the ceiling or wall surface, the lower portion of the body portion 110 is formed with a downwardly opened space 110; A cover portion 120 horizontally disposed under the body portion 110 to cover the opened space portion 111, and a cover portion 120 provided with a light-transmitting material light-transmitting plate 121 in the center; An LED module 130 including a PCB 131 horizontally disposed in the space 111 and a LED 132 dispersing a plurality of lights on a bottom surface of the PCB 131 to emit illumination light; And a plate material having a shape corresponding to the PCB 131, which is horizontally disposed on the bottom surface of the PCB 131, and made of a reflective material or a reflective member 141 is formed on the bottom surface to reflect down light, and each LED 132 ) And a light distribution groove 142 is formed at a position corresponding to the light distribution control plate 140 in which the LED insertion hole 143 for vertically exposing the LED 132 is opened up and down in the center of each light distribution groove 142; Included, the light distribution groove 142 is recessed upwardly recessed so that the light distribution angle (θ2) of the illumination light reflected on the inner surface is relatively smaller than the light distribution angle (θ1) of the illumination light emitted from the LED 132 An LED lighting device having a light distribution control function is provided.

According to another feature of the present invention, the light distribution control plate 140 is detachably mounted to the PCB 131, and a plurality of light distribution angles θ2 of different illumination lights reflected on the inner surface of the light distribution groove 142 are different from each other. Provided is a LED lighting device having a light distribution control function, characterized in that the light distribution control plate 140 having any one of the specifications is mounted on the PCB 131 to adjust the light distribution range of the light.

According to another feature of the invention, the body portion 110 is a plurality of body portion screw holes 112 that are opened downward on the bottom surface are spaced apart, the PCB 131 is a position corresponding to the body portion screw hole 112 A PCB screw hole 133 that is opened up and down is formed, and the light distribution control plate 140 is formed with a control plate screw hole 144 that is opened up and down at a position corresponding to the PCB screw hole 133, so that the control plate screw (144), the PCB screw hole 133 and the body portion is inserted into the screw hole 112, the light distribution characterized in that it is mounted together on the bottom surface of the body portion 110 by a PCB fastening screw 114 that is rotationally coupled An LED lighting device having an adjustment function is provided.

According to another feature of the present invention, the light distribution control plate 140 is adjacent to the plurality of reflective bones 145 extending upward from the bottom along the inner surface of the light distribution groove 142 are disposed in close contact along the circumference. An LED lighting device having a light distribution control function is provided, characterized in that a sharply raised reflective acid (146) is formed between two reflective bones (145).

According to another feature of the present invention, the light distribution control plate 140 is formed by injection molding a synthetic resin in a thin plate shape, and coating the light distribution coating on the entire bottom surface including each light distribution groove 142 to reflect the reflective member 141. It is provided with an LED lighting device having a light distribution control function, characterized in that to form.

According to another feature of the present invention, a first alignment marking 134 indicating a specific direction is disposed on the bottom surface of the PCB 131, and each LED insertion hole 143 is provided on the bottom surface of the light distribution control plate 140. ) And each LED (132) in the state aligned up and down LED lighting device with a light control function, characterized in that the second alignment marking 147 is disposed in a position corresponding to the first alignment marking (134) Is provided.

According to another feature of the present invention, the light distribution control tube 160 is made of a tubular shape penetrated up and down to be inserted and disposed inside the light distribution groove 142, and a reflective member is formed on the inner surface to reflect down the illumination light. Included, the light distribution control tube 160 has an upper circumference disposed between the LED insertion hole 143 of the light distribution groove and the circumference of the LED 132, and the lower circumference is seated and supported around the lower circumference of the light distribution groove 142. The diameter gradually increases from the top to the bottom so that the distribution angle (θ3) of the illumination light reflected on the inner surface is relatively smaller than the distribution angle (θ2) of the illumination light reflected on the distribution groove 142 of the light distribution control plate 140. There is provided an LED lighting device having a light distribution control function, characterized in that it is made of an expanded tubular shape.

According to another feature of the present invention, it is made of a plate material corresponding to the PCB 131 and is horizontally disposed between the PCB 131 and the light distribution control plate 140, and the LED ( 132) the LED through-hole 151 for downward exposure is opened up and down, and extends downward from a part of the circumference of each LED through-hole to a predetermined length to block a part of the light distribution range of the light emitted from the LED 132 Provided is an LED lighting device having a light distribution control function, further comprising; an obstruction direction control plate 150 on which the obstruction wall 152 is formed.

According to another feature of the present invention, the light distribution control plate 140 is formed around the LED through hole 151 around the LED through hole 151 along the circumference C-shaped or arc-shaped elongated wall insertion hole (148) is opened up and down, the irradiation direction control plate 150 is horizontal between the PCB 131 and the light distribution control plate 140 in a state that the blocking wall 152 is inserted through the blocking wall insertion hole 148 An LED lighting device having a light distribution control function is provided.

According to the present invention as described above,

First, the body portion 110 is formed with a space portion 111 that is opened downward downward, and the cover portion 120 covers the opened space portion 111 and has a light-transmitting plate 121 of light-transmitting material in the center. Is provided, the LED module 130 includes a PCB 131 horizontally disposed in the space 111 and a plurality of LEDs 132 distributedly disposed on the bottom surface of the PCB 131, the light distribution control plate 140 is It is horizontally disposed on the bottom surface of the PCB 131 and reflects downward illumination light, and a light distribution groove 142 is formed at a position corresponding to each LED 132, and the LED 132 is exposed downward at the center of each light distribution groove 142. The LED insertion hole for opening 143 is opened up and down, and the light distribution groove 142 has a light distribution angle θ2 of the illumination light reflected on the inner surface, relative to the light distribution angle θ1 of the illumination light emitted from the LED 132. The light distribution control plate 140 is disposed between the PCB 131 and the light-transmitting plate 121 as set in a groove shape recessed upwardly so as to be small. Since the conventional lens 200 is unnecessary by allowing the illumination light to be irradiated at the light distribution angle θ2, the manufacturing time and the manufacturing cost of arranging the plurality of lenses 200 for each LED 132 can be greatly reduced, and the light distribution Since the control plate 140 is covered from the outside by the light transmissive plate 121, the light intensity does not decrease due to foreign matter such as dust or aging, and the surface of the PCB 131 is covered by the light distribution control plate 140. ), The surface of the PCB 131 is contaminated during the process of mounting the LED 132.

Second, the light distribution control plate 140 is detachably mounted on the PCB 131, and the light distribution angle θ2 reflected on the inner surface of the light distribution groove 142 is composed of a plurality of different specifications, and thus has a light distribution of any one size. As the control plate 140 is mounted on the PCB 131, the light distribution range of the illumination light can be adjusted, so it is easy to change the required light distribution angle according to the purpose of the lighting device or the place of use and increase user convenience.

Third, the body portion 110 is spaced apart a plurality of body portion screw holes 112 that are opened downward on the bottom surface, the PCB 131 is a PCB that is opened up and down at a position corresponding to the body portion screw hole 112 or The hole 133 is formed and the light distribution control plate 140 is formed with a control plate screw hole 144 opened up and down at a position corresponding to the PCB screw hole 133, so that the control plate screw hole 144, the PCB screw hole (133) and the body portion is inserted into the bottom portion of the body portion 110 by a PCB fastening screw 114 which is continuously inserted into the screw hole 112 and rotated and coupled, the PCB on the body portion 110 is conventionally Since the light distribution control plate 140 can be mounted together using the PCB fastening screw 114 for mounting the 131, a separate design change for mounting the light distribution control plate 140 to the PCB 131 is unnecessary. Accordingly, the light distribution range can be easily changed by simply inserting the light distribution control plate 140 into the previously produced lighting device. The.

Fourth, the light distribution control plate 140, a plurality of reflective bones 145 extending upward from the bottom along the inner surface of the light distribution groove 142 are disposed in close contact along the periphery, between two adjacent reflective bones 145 Since the pointed raised reflective acid 146 is formed, the light reflected from the light distribution groove 142 to the side can be diffusely reflected through each reflective bone 145, thereby improving the light uniformity of the light irradiated downward. have.

Fifth, the light distribution control plate 140 is formed by injection molding a synthetic resin in a thin plate shape, and coating the light distribution coating on the entire bottom surface including each light distribution groove 142 to form a reflective member 141, thereby forming a conventional lens 200 ), The material cost and manufacturing cost of the member for light distribution control can be significantly reduced.

Sixth, a first alignment marking 134 indicating a specific direction is disposed on the bottom surface of the PCB 131, and each LED insertion hole 143 and each LED 132 are located on the bottom surface of the light distribution control plate 140. The first alignment marking 134 and the second alignment marking 147 are vertically arranged by arranging the second alignment marking 147 at a position corresponding to the first alignment marking 134 in the state of being aligned vertically. By aligning a plurality of LEDs 132 can be inserted into each LED insertion hole 143, there is an effect of simplifying the manufacturing process.

Seventh, the light distribution control tube 160 made of a tubular shape penetrating up and down is inserted and disposed inside the light distribution groove 142, and a reflective member is formed on the inner surface to reflect the light downward, but the light distribution control tube 160 is at the top. The circumference is disposed between the LED insertion hole 143 of the light distribution groove and the circumference of the LED 132, and the lower circumference is seated and supported around the lower circumference of the light distribution groove 142, and the light distribution angle of the illumination light reflected on the inner surface ( A plurality of light distributions are made by gradually increasing the diameter from the top to the bottom so that θ3) is relatively smaller than the light distribution angle θ2 of the illumination light reflected by the light distribution groove 142 of the light distribution control plate 140. By inserting the light distribution control tube 160 in some of the light distribution grooves 142 among the grooves 142, the existing light distribution range can be easily changed, so that lighting light having various light distribution characteristics can be implemented according to user convenience.

Eighth, the irradiation direction control plate 150, which is made of a plate material having a shape corresponding to the PCB 131 and is horizontally disposed between the PCB 131 and the light distribution control plate 140, is positioned at a position corresponding to each LED 132. 132) the LED through-hole 151 for downward exposure is opened up and down, and extends downward from a part of the circumference of each LED through-hole to a predetermined length to block a part of the light distribution range of the light emitted from the LED 132 By forming the obstruction wall 152, the direction in which the illumination light is irradiated can be easily adjusted according to the use of the lighting device or the installation place.

Ninth, the light distribution control plate 140, the LED through-hole 151 around the LED through-hole 151 around the circumference C-shaped or arc-shaped elongated wall insertion hole 148 is opened up and down And, the irradiation direction control plate 150 is horizontally placed between the PCB 131 and the light distribution control plate 140 in a state where the obstruction wall 152 is inserted through the obstruction wall insertion hole 148, so that the LED insertion hole ( 143), the irradiation direction control plate 150 provided with a relatively large obstruction wall 152 may be disposed in close contact with the light distribution control plate 140.

1 is a side cross-sectional view showing a light distribution angle of illumination light emitted from an LED in general.
2 and 3 are separated perspective and side cross-sectional views showing the lens configuration of the LED lighting device according to the prior art,
4 to 6 is a perspective view, an exploded perspective view and a side sectional view showing the configuration of an LED lighting device having a light distribution control function according to a preferred embodiment of the present invention,
Figure 7 is a side cross-sectional view showing a configuration in which the light distribution angle is adjusted by the light distribution control plate according to a preferred embodiment of the present invention,
8 and 9 is a perspective view showing the configuration of a light distribution control plate according to a preferred embodiment of the present invention,
10 and 11 are side cross-sectional views showing a configuration in which the light distribution angle of the light distribution control plate according to the preferred embodiment of the present invention is made of different standards,
12 is a perspective view showing a configuration in which a reflective bone and a reflective acid are formed in a light distribution groove of a light distribution control plate according to a preferred embodiment of the present invention,
13 and 14 is an exploded perspective view and a side cross-sectional view showing a configuration in which the light distribution control tube is inserted into the light distribution groove according to a preferred embodiment of the present invention,
15 to 17 is an exploded perspective view, a perspective view and a side cross-sectional view showing the configuration of the irradiation direction control plate according to a preferred embodiment of the present invention,
18 is a perspective view showing a configuration in which a blocking wall insertion hole is formed in a light distribution control plate according to a preferred embodiment of the present invention,
19 is a perspective view showing a configuration in which the obstruction wall of the irradiation direction adjusting plate is inserted through the obstruction wall insertion hole according to the preferred embodiment of the present invention.

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

The LED lighting device 100 equipped with a light distribution control function according to a preferred embodiment of the present invention has a light distribution control plate 140 disposed between the PCB 131 and the light transmission plate 121 instead of the conventional lens 200. The illumination light is irradiated at the set distribution angle (θ2), which significantly reduces the manufacturing time and manufacturing cost. The light intensity does not decrease due to foreign matter such as dust or aging, and the surface of the PCB is contaminated during the process of mounting the LED on the PCB. As a lighting device that may be used, as shown in FIGS. 4 to 6, the body part 110, the cover part 120, the LED module 130, and the light distribution control plate 140 are included.

First, the body portion 110 is a member that forms the base of the LED lighting device 100, the upper portion is fixed to the ceiling or wall surface, the lower portion is formed with a downwardly opened space 111. Here, as shown in the figure, the body portion 110 is equipped with a power supply circuit (SMPS) for supplying driving power required to drive the LED module 130 to emit light, and the driving heat of the LED module 130 is externally provided. A heat sink for discharging to the outside may be mounted. The body portion 110 is preferably made of a metal material or a reinforced plastic material, and is provided with solid durability and corrosion resistance. In addition, the body portion 110 may be fixed to a ceiling or a wall surface through which a bracket or a connection bar is disposed on the upper portion, or may be fixedly mounted while the upper portion is buried inside the ceiling surface.

The cover part 120 is horizontally disposed under the body part 110 to cover the opened space part 111, and a light-transmitting material 121 is provided in the center. Here, as shown in the drawing, the cover portion 120 is formed with threads that engage with threads formed on the inner circumference of the space portion 111 or the lower outer circumference of the body portion 110 along the circumference and rotates on the body portion 110. It can be combined, it can be fastened in a horizontally arranged state on the lower portion of the body portion 110 using a fastening screw or the like. In addition, the light-transmitting plate 121 may be made of a material such as tempered glass, transparent PC, G-pet, or PMMA (polymethyl methacrylate) to realize light transmissivity.

The LED module 130 is a light source that emits illumination light, and the PCB 131 horizontally disposed in the space 111 and a plurality of LEDs 132 distributed downward on the bottom surface of the PCB 131 to emit illumination light downward. ).

The light distribution control plate 140 is a member that allows the illumination light to be irradiated at a set light distribution angle θ1 instead of the conventional lens 200, and has a shape corresponding to the PCB 131 as shown in FIGS. 5 to 9. It is made of a plate material and is horizontally disposed on the bottom surface of the PCB 131, or is made of a reflective material or a reflective member 141 is formed on the bottom surface to reflect down light, and the light distribution groove 142 is positioned at a position corresponding to each LED 132. ) Is formed and the LED insertion hole 143 for vertically exposing the LED 132 is opened at the center of each light distribution groove 142.

Here, as shown in FIG. 7, the light distribution groove 142 is concave upward so that the light distribution angle θ2 of the illumination light reflected on the inner surface is relatively smaller than the light distribution angle θ1 of the illumination light emitted from the LED 132. It is preferably made of a recessed groove.

Like the combined configuration of the body portion 110, the cover portion 120, the LED module 130 and the light distribution control plate 140, the light distribution control plate 140 is between the PCB 131 and the light transmission plate 121. Since the conventional lens 200 is unnecessary by allowing the illumination light to be irradiated at the set distribution angle θ2, the manufacturing time and manufacturing cost of arranging the plurality of lenses 200 for each LED 132 are significantly reduced. Since the light distribution control plate 140 is covered from the outside by the light transmission plate 121, the light intensity does not decrease due to foreign matter such as dust or aging, and the surface of the PCB 131 is covered by the light distribution control plate 140. Therefore, even when the surface of the PCB 131 is contaminated during the process of mounting the LED 132 on the PCB 131, it is possible to implement an effect.

On the other hand, the light distribution control plate 140 is detachably mounted on the PCB 131, the light distribution angle (θ2) of the reflected light reflected on the inner surface of the light distribution groove 142 is composed of a plurality of different specifications, any one standard As the light distribution control plate 140 having is mounted on the PCB 131, the light distribution range of the illumination light can be adjusted.

More specifically, as illustrated in FIG. 10, the light distribution control plate 140 may have a light distribution angle θ2 of each light distribution groove 142 in different specifications such as 100 degrees or 70 degrees, and the light distribution angle ( The specification of θ2) is preferably selected within a range relatively smaller than 120 degrees, which is the light distribution angle θ1 of the illumination light emitted from the LED 132. Therefore, it is possible to provide the illumination light having the optimal light distribution angle by selectively using the light distribution control plate 140 having the light distribution angle (θ2) standard of 100 degrees or 70 degrees depending on the use or the place of use of the lighting device.

In addition, the light distribution grooves 142 of the light distribution control plate 140 may be formed to be inclined at different angles on both sides of the LED 132 based on the central axis to provide more various light distribution angles. For example, as shown in (a) of FIG. 11, the overall light distribution angle θ2 of the light distribution groove 142 is 100 degrees, but the left side (based on the drawing) is inclined by 40 degrees based on the central axis of the LED 132. The right side is formed to be inclined at 60 degrees so that the luminance of the illumination light is biased to the right, and the left side is inclined to 60 degrees and the right side is inclined to 40 degrees as shown in FIG. It can be done. In addition, the inner inclined surface of the light distribution groove 142 may extend linearly downward and may be extended to be curved in a rounded shape as in FIG. 11 (c).

And, as shown in Figures 6 to 8, the side of the light distribution control plate 140 is bent downward along the periphery and the side cover portion 149 is formed at the end is supported around the bottom surface of the light transmitting plate 121 is formed light distribution It is preferable that the light reflected through the lateral space between the control plate 140 and the transmissive plate 121 is not lost.

As described above, as the light distribution angle θ2 reflected on the inner surface of the light distribution groove 142 is composed of a plurality of different standards, the light distribution control plate 140 having any one standard is mounted on the PCB 131 and the light distribution range of the illumination light Since it can be adjusted, it is easy to change to the required light distribution angle depending on the purpose of the lighting device or the place of use, and it can increase the user's convenience.

In addition, since the light distribution characteristics of the illumination light vary depending on the depth (D, see an enlarged view of FIG. 7) in which the light distribution groove 142 is recessed upward in addition to the light distribution angle θ2 of the light distribution groove 142, the light distribution control plate ( 140, the light distribution groove 142, the depth (D) is made of a plurality of different specifications, the light distribution control plate 140 having any one standard may be mounted on the PCB 131.

On the other hand, as shown in Figures 5 to 7, the body portion 110 is a plurality of body portion screw holes 112 are opened downwardly spaced apart on the bottom surface, the body portion screw hole 112 on the PCB 131 A PCB screw hole 133 opened up and down at a position corresponding to and a control plate screw hole 144 opened up and down at a position corresponding to the PCB screw hole 133 is formed on the light distribution control plate 140, The PCB 131 and the light distribution control plate 140 are continuously inserted into the control plate screw hole 144, the PCB screw hole 133, and the body part screw hole 112, and are rotated and coupled to the body by the PCB fastening screw 114. The light distribution control plate 140 may be mounted together using the PCB fastening screw 114 for mounting the PCB 131 to the body portion 110 as it is mounted together on the bottom surface of the portion 110. . Therefore, a separate design change for mounting the light distribution control plate 140 to the PCB 131 is unnecessary, and accordingly, the light distribution range can be easily changed only by inserting the light distribution control plate 140 in the previously produced lighting device. .

In addition, as shown in Figure 12, the light distribution control plate 140 is adjacent to the plurality of reflective bones 145 extending upward from the bottom along the inner surface of the light distribution groove 142 are disposed in close contact along the circumference. Since the sharply raised reflective acid 146 is formed between the two reflective bones 145, the illumination light reflected laterally in the light distribution groove 142 can be diffusely reflected through each of the reflective bones 145, so that the illumination light is irradiated downward. It can improve the light uniformity of.

In addition, referring to FIGS. 5 and 6, the light distribution control plate 140 is formed by injection molding a synthetic resin in a thin plate shape, and coating the light distribution coating on the entire bottom surface including each light distribution groove 142 to provide a reflective member 141. By forming, it is possible to significantly reduce the material cost and manufacturing cost of the member for light distribution control compared to the conventional lens 200.

5 and 7, a first alignment marking 134 indicating a specific direction is disposed on the bottom surface of the PCB 131, and each LED is inserted into the bottom surface of the light distribution control plate 140. The second alignment marking 147 is disposed at a position corresponding to the first alignment marking 134 in a state where the balls 143 and each LED 132 are aligned up and down, so that the first alignment marking 134 and By aligning the second alignment marking 147 up and down, a plurality of LEDs 132 can be inserted into each of the LED insertion holes 143, so that the manufacturing process can be simplified.

Meanwhile, the LED lighting device 100 according to the preferred embodiment of the present invention further includes a light distribution control tube 160 for secondaryly adjusting the light distribution angle θ2 of the light distribution groove 142 of the light distribution control plate 140 It can contain.

More specifically, as shown in FIGS. 13 and 14, the light distribution control tube 160 made of a tubular shape penetrating up and down is inserted and disposed inside the light distribution groove 142, and a reflective member is formed on the inner surface to illuminate light. While reflecting downward, the light distribution control tube 160 has an upper circumference disposed between the LED insertion hole 143 of the light distribution groove and the circumference of the LED 132, and the lower circumference is seated around the lower circumference of the light distribution groove 142. The light distribution angle (θ3) of the illumination light reflected on the inner surface is gradually lowered from the top to the bottom so that it is relatively smaller than the distribution angle (θ2) of the illumination light reflected on the light distribution groove 142 of the light distribution control plate 140 It is made of a tubular shape with an expanded diameter.

Accordingly, the existing light distribution range can be easily changed by inserting the light distribution control tube 160 into some of the light distribution grooves 142 among the plurality of light distribution grooves 142, thereby realizing lighting light having various light distribution characteristics according to user convenience. Can be.

On the other hand, the LED lighting device 100 according to a preferred embodiment of the present invention further includes an irradiation direction control plate 150 for adjusting the illumination direction of the light emitted through the light distribution groove 142 of the light distribution control plate 140 Can be.

To this end, as shown in FIGS. 15 to 17, the irradiation direction control plate 150 made of a plate material having a shape corresponding to the PCB 131 and horizontally disposed between the PCB 131 and the light distribution control plate 140, each At a position corresponding to the LED 132, the LED through holes 151 for exposing the LED 132 downward are opened up and down, and the LED 132 extends downward from a part of the circumference of each LED through hole 151 to a predetermined length. ) Is formed by blocking the part of the light distribution range of the light emitted from), the direction in which the light is irradiated can be easily adjusted depending on the use of the lighting device or the installation location.

Here, as shown in Figures 18 and 19, the light distribution control plate 140 is a C-shaped or arc-shaped extension extending along the circumference around the LED through-hole 151 around the LED through-hole 151 The wall insertion hole 148 is opened up and down, and the irradiation direction adjusting plate 150 is the PCB 131 and the light distribution control plate 140 in a state where the blocking wall 152 is inserted through the blocking wall insertion hole 148. By being horizontally disposed between the LEDs, the irradiation direction control plate 150 provided with the obstruction wall 152 having a larger size than the LED insertion hole 143 can be disposed in close contact with the light distribution control plate 140.

Referring to FIG. 19, in the case of the cover wall 152a, which is relatively smaller than the LED insertion hole 143 of the light distribution control plate 140, the LED insertion hole 143 is inserted through the inside of the LED insertion hole 143 as it is. ) In the case of the relatively larger cover wall 152b, since the insertion is restricted to the LED insertion hole 143, the light insertion control plate 140 is inserted through the cover wall insertion hole 148a disposed close to the LED insertion hole 143, , In the case of the relatively large obstruction wall 152c than the obstruction wall 152b, it is inserted through the larger obstruction wall insertion hole 148b to place the irradiation direction control plate 150 in close contact with the light distribution control plate 140. It is possible.

In addition, as illustrated in FIG. 15, the first side disposed on the bottom surface of the PCB 131 in the state where each LED through hole 151 and each LED 132 are vertically aligned on the bottom surface of the irradiation direction control plate 150. By arranging the third alignment marking 153 at a position corresponding to the alignment marking 134, the plurality of LEDs 132 are arranged by aligning the first alignment marking 134 and the third alignment marking 153 up and down. It can be inserted into each LED through hole 151, and after the irradiation direction control plate 150 is disposed on the bottom surface of the PCB 131, the third alignment marking 153 disposed on the bottom surface of the irradiation direction control plate 150 Each LED 132 exposed through the LED through hole 151 of the irradiation direction adjusting plate 150 by aligning the second alignment marking 147 of the light distribution control plate 140 up and down, each LED insertion hole 143 ).

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

100 ... LED lighting device with light control function
110 ... body 111 ... space
112 ... body thread 120, cover part
121 ... Transmitting plate 130 ... LED module
131 ... PCB 132 ... LED
133 ... PCB thread 134 ... 1st alignment marking
140 ... Light distribution control plate 141 ... Reflecting member
142 ... Light distribution groove 143 ... LED inserter
144 ... Adjuster plate screw 145 ... Reflective bone
146 ... Reflective Mountain 147 ... Second Sort Marking
148 ... Blind wall insert hole 150 ... Lighting direction adjusting plate
151 ... LED through hole 152 ...
160 ... Light distribution control tube 146 ... Reflective acid

Claims (8)

The upper portion is fixed to the ceiling or wall surface, the lower portion of the body portion 110 is formed with a space 111 opened downward; A cover portion 120 horizontally disposed under the body portion 110 to cover the opened space portion 111, and a cover portion 120 provided with a light-transmitting material light-transmitting plate 121 in the center; An LED module 130 including a PCB 131 horizontally disposed in the space 111 and a LED 132 dispersing a plurality of lights on a bottom surface of the PCB 131 to emit illumination light; It is made of a plate material having a shape corresponding to the PCB 131, and is horizontally disposed on the bottom surface of the PCB 131, and is made of a reflective material or a reflective member 141 is formed on the bottom surface to reflect down light, and each LED 132 Light distribution groove 142 is formed in a position corresponding to and the light distribution control plate 140, the LED insertion hole 143 for vertically exposing the LED 132 downwardly in the center of each light distribution groove 142; And a light distribution control tube 160 made of a tubular shape penetrating up and down and inserted into the light distribution groove 142 and having a reflective member formed therein to reflect down light.
The light distribution groove 142 is made of a groove shape recessed upwardly so that the light distribution angle θ2 of the reflected light reflected on the inner surface is relatively smaller than the light distribution angle θ1 of the illumination light emitted from the LED 132,
The light distribution control tube 160 has an upper circumference disposed between the LED insertion hole 143 of the light distribution groove 142 and the circumference of the LED 132, and the lower circumference is seated and supported around the lower circumference of the light distribution groove 142. The diameter gradually increases from the top to the bottom so that the distribution angle θ3 of the illumination light reflected on the inner surface is relatively smaller than the distribution angle θ2 of the illumination light reflected on the distribution groove 142 of the light distribution control plate 140 LED lighting device equipped with a light distribution control, characterized in that made of this expanded tubular shape.
The method according to claim 1,
The light distribution control plate 140,
Is detachably mounted to the PCB (131),
The light distribution angle θ2 of the reflected light reflected on the inner surface of the light distribution groove 142 is composed of a plurality of different standards, and the light distribution control plate 140 having any one standard is mounted on the PCB 131 to increase the light distribution range of the lighting light. LED lighting device equipped with a light control function characterized in that the adjustment.
The method according to claim 1,
The body portion 110 is spaced apart a plurality of body portion screw holes 112 are opened downward on the bottom surface,
On the PCB 131, a PCB screw hole 133 that is opened up and down at a position corresponding to the body portion screw hole 112 is formed and up and down at a position corresponding to the PCB screw hole 133 on the light distribution control plate 140. The opening control plate screw hole 144 is formed, the PCB 131 and the light distribution control plate 140 are continuously inserted into the control plate screw hole 144, the PCB screw hole 133, and the body portion screw hole 112 to rotate. LED lighting device equipped with a light control function, characterized in that it is mounted together on the bottom surface of the body portion 110 by a PCB fastening screw 114 to be coupled.
The method according to claim 1,
The light distribution control plate 140,
A plurality of reflective bones 145 extending upward from the bottom along the inner surface of the light distribution groove 142 are disposed in close contact along the circumference, and the sharply raised reflective acid 146 between the two adjacent reflective bones 145 LED lighting device having a light distribution control function, characterized in that formed.
The method according to claim 1,
A first alignment marking 134 indicating a specific direction is disposed on a bottom surface of the PCB 131,
A second alignment marking 147 at a position corresponding to the first alignment marking 134 in a state in which each LED insertion hole 143 and each LED 132 is vertically aligned on the bottom surface of the light distribution control plate 140. LED lighting device having a light distribution control function, characterized in that the arrangement.
delete The upper portion is fixed to the ceiling or wall surface, the lower portion of the body portion 110 is formed with a space 111 opened downward; A cover portion 120 horizontally disposed under the body portion 110 to cover the opened space portion 111, and a cover portion 120 provided with a light-transmitting material light-transmitting plate 121 in the center; An LED module 130 including a PCB 131 horizontally disposed in the space 111 and a LED 132 dispersing a plurality of lights on a bottom surface of the PCB 131 to emit illumination light; It is made of a plate material having a shape corresponding to the PCB 131, and is horizontally disposed on the bottom surface of the PCB 131, and is made of a reflective material or a reflective member 141 is formed on the bottom surface to reflect down light, and each LED 132 Light distribution groove 142 is formed in a position corresponding to and the light distribution control plate 140, the LED insertion hole 143 for vertically exposing the LED 132 downwardly in the center of each light distribution groove 142; And it is made of a plate material of the shape corresponding to the PCB 131 is disposed horizontally between the PCB 131 and the light distribution control plate 140, the LED for exposing the LED 132 downward to the position corresponding to each LED (132) The through hole 151 is opened up and down, and a blocking wall 152 is formed extending downward from a part of the circumference of each LED through hole 151 to a certain length to block a part of the light distribution range of the light emitted from the LED 132. Includes; irradiation direction control plate 150;
The light distribution groove 142 is made of a groove shape recessed upwardly so that the light distribution angle θ2 of the reflected light reflected on the inner surface is relatively smaller than the light distribution angle θ1 of the illumination light emitted from the LED 132. LED lighting device with light distribution control function.
The method according to claim 7,
The light distribution control plate 140, the LED through-hole 151 around the LED through-hole 151 around the circumference C-shaped or arc-shaped elongated wall insertion hole 148 is opened up and down,
The irradiation direction control plate 150 has a light distribution control function characterized in that the obstruction wall 152 is horizontally disposed between the PCB 131 and the light distribution control plate 140 in a state where the obstruction wall insertion hole 148 is inserted through the obstruction wall insertion hole 148. LED lighting device equipped.

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