KR101040943B1 - LED illumination apparatus - Google Patents

Abstract

Although the present invention irradiates both the front and the side like incandescent lamps and halogen lamps, the preheating is unnecessary and the life is long, but the power consumption is low, especially in order to realize high brightness and high diffusion, a plurality of LEDs on the front and / or side. Relates to an assembly of lighting devices arranged with certain rules. To facilitate assembly and disassembly of the assembly, and to easily replace and repair the LEDs, the LEDs are coupled to the frame and protected, but are not supported by a single integrally formed frame. The present invention relates to a lighting apparatus that is repeatedly stacked from the front to the rear by a desired length while forming a set of groups together with the LED and the PCB, which is a carrier for electrical signals. In particular, in order to prevent overheating of the LED, the ring frame is composed of an annular plate that forms a space therein, and the heat sinks are repeatedly stacked from the front to the rear so as to correspond to a group of LED sets, and independent of the ring frame at the center. Assembling the heat dissipation shaft in the longitudinal direction, the heat dissipation shaft is coupled to the base frame of the circular base to perform the central axis function, and at the same time directly fixed to the heat dissipation frame of copper or aluminum material detachable to the base frame of synthetic resin It relates to a lighting device.

Lighting, ring frame, heat sink, heat sink, reflector

Description

LED illumination apparatus

The present invention relates to an LED lighting device, and more particularly, in order to realize high brightness and high diffusion of light using LEDs, a plurality of LEDs simultaneously irradiating the front and side surfaces on a single lighting device surface are arranged precisely with a certain rule. The present invention relates to an assembly of a conventional lighting device, and is also easy to assemble and dismantle, to easily replace and repair the LED, and to adjust the size of the lighting device according to the installation conditions, with an annular ring frame having a predetermined diameter. And when the PCB is a set of one group, when laminated to a predetermined length, the present invention relates to a fastening structure of the LED lighting device that can be used to change the lighting device to the desired width and length.

In general, a light emitting diode, or LED, has a structure in which an N-type semiconductor in which a plurality of carriers are electrons and a P-type semiconductor in which a plurality of external carriers are holes are bonded to each other. A photoelectric conversion semiconductor device, which relates to a semiconductor device using emission light generated when electrons and holes injected into a PN junction are recombined.

Since LED has high photoelectric conversion efficiency, power consumption is very low within 2W for a single device, and because it is not light emitting due to thermal discharge, no warm-up time is required, so the lighting and extinguishing speed is fast.

Conventional lighting devices have generally used halogen lamps, fluorescent lamps or three-wavelength lamps. However, since they consume more power and have a shorter lifespan than LEDs, they are constantly incurred in the cost of replacement. Especially in the case of halogen lamps, since they have a lot of heat and ultraviolet rays are frequently generated, they are exhibited when they are installed as display lamps. There is a fear of deterioration.

Recently, lighting devices using LEDs have been introduced. Patent No. 10-0348504 introduces an LED illuminator using an LED and a diffusion sheet, and Patent Publication No. 10-2004-0037523 introduces a lighting device using an LED as an indoor or outdoor interior device. Only the basic components of the lighting device are introduced, and its shape is limited to the general light bulb shape, and therefore, it is limited to local and intensive irradiation methods. have.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, and the object of the present invention is to improve the brightness while using a wide range of outdoor or outdoor lighting, unlike a general light bulb that is only concentrated locally In order to provide a lighting device that uses the LED and appropriately arrange a plurality of LEDs.

Another object of the present invention is to provide an LED lighting device that can be irradiated without limitation in the 360 ° range without blind spots while ensuring high brightness per unit volume.

Still another object of the present invention is to provide an LED lighting device that is easy to assemble and disassemble of LED, and to be easily replaced and repaired.

Still another object of the present invention is to provide an LED lighting device that can effectively realize heat exchange in order to prevent overheating of the LED which is a light emitting element.

According to a feature of the present invention for achieving the object as described above, the present invention is a plurality of rings are stacked to form a frame, the LED is installed around the edge of each ring frame, irradiating the side 360 ° radius And, by assembling the respective ring frame in the stacked longitudinal direction, it is possible to adjust the size of the lighting device in the longitudinal direction.

Both surfaces of the ring frame are formed with a plurality of U-shaped channels around which LEDs are seated around an edge, and a group of LEDs is fixedly installed between the pair of neighboring ring frames.

A ring PCB for electrically connecting the LEDs is installed between the ring frames, and a heat sink for dissipating heat of the LEDs corresponds to a group of LEDs stacked in a longitudinal direction in the ring frame and the annular hole of the ring PCB. Are arranged.

The end of the ring frame is further provided with a circular frame as a base for receiving an electrical signal from the outside, the heat sink is supported by a heat radiation shaft extending in the longitudinal direction from the center of the circular frame.

The heat dissipation shaft, the engaging piece is formed on one side and the engaging groove is formed on the other side, the engaging piece is inserted into the engaging groove to form a central axis in the longitudinal direction, the outer peripheral surface of the heat dissipating shaft is extended by a fastening piece for coupling with the heat sink, The heat sink is laminated at the center, and the ring frame and the ring PCB are laminated at the outer side, whereby the ring frame, the ring PCB and the heat sink are assembled in multiple stages forming a group together with the LEDs.

According to another feature of the invention, the present invention is a lighting device for emitting light from the front and / or side, the base frame is installed at the rear to receive an electrical signal, a plurality of light emitting devices that emit light in accordance with the electrical signal And a ring frame for electrically connecting the base frame and the light emitting device to each other, and a ring frame on which the light emitting device is seated at an edge and the PCB is installed on one surface thereof, wherein the light emitting device, the PCB and the ring frame form one group. By repeatedly laminating, a plurality of layers are formed in the stacked longitudinal direction.

The light emitting device is a light emitting unit that emits light and an LED composed of a basic terminal of an anode and a cathode for supplying electricity, and a plate shape made of copper or aluminum having excellent thermal conductivity to prevent overheating of the light emitting device. It further includes a heat sink.

A heat dissipation fan is installed at the front of the base frame to induce air circulation to the inside of the lighting device. The base frame corresponding to the heat dissipation fan is provided with a plurality of heat dissipation holes through which air is introduced.

Installed on the PCB further comprises a temperature control PCB for controlling the driving of the heat dissipation fan motor according to the season or temperature, wherein the temperature control PCB, a temperature sensor for sensing the internal temperature of the lighting device, and the heat dissipation fan It is composed of a temperature control unit for controlling the speed of the motor.

The heat sink further includes a heat dissipation axis corresponding to the light emitting element, the PCB, and the ring frame of the group, and performs a central axis function to be fixed to the inside of the ring frame, wherein the heat dissipation axis corresponds to the stacked group of layers. It is composed of a plurality of nodes to be assembled and disassembled.

The heat dissipation shaft is installed on the base frame to perform a central axis function, but a heat dissipation frame formed of copper or aluminum is formed on one side of the base frame so that the heat dissipation axis performs a heat transfer function simultaneously with the central axis function. Detachable, the heat dissipation shaft is directly coupled to the heat dissipation frame.

The heat dissipation plate is composed of a semi-circular plate, wherein each heat dissipation shaft has a catching piece formed on one surface and a catching groove formed on the other surface thereof, and the catching piece is screwed into the catching groove to form a central axis in the longitudinal direction in which the nodes are stacked. The fastening piece coupled to the heat dissipation plate extends on both sides of the heat dissipation shaft outer circumferential surface, so that the pair of heat dissipation plates are symmetrical to both sides of the heat dissipation shaft and are stepped in the longitudinal direction.

The ring frame is composed of an annular plate to circulate air at the center, and the U-shaped channel is formed on both sides so that the light emitting element is inserted and seated at an edge thereof, so that the LEDs are arranged at 360 ° around the edge of the ring frame, The first group of LEDs is protectively seated between a pair of front and rear ring frames.

The PCB is composed of an annular plate so that air is circulated in the center, and a resistor or an electric circuit is printed on one or both sides to transmit an electrical signal to the light emitting device, and one side of the PCB is electrically energized in a stacked longitudinal direction. The connector is further provided.

The front frame of the circular plate is installed at the forefront to cover the front, the PCB of the circular plate is installed on the rear of the front frame, the front heat sink of the circular plate is installed on the rear of the PCB further.

The lighting device is further provided with a reflector, the reflector is gradually wider from the rear to the front, so that the light emitted from the light emitting element is collected in the direction desired by the user, the rear can be passed through the lighting device A hole is provided so that when the lighting device is fastened through the hole at the rear of the reflector, a fastening rib is further provided at the rear of the reflector so as to correspond to the fastening rib formed at the edge of the base frame. Used in streetlights, floodlights or security lights.

As described above, according to the configuration of the present invention, the following effects can be expected.

First, by arranging the LEDs around the edge of the ring frame and stacking this group of LEDs in multiple stages in the longitudinal direction, the LEDs can be effectively placed and maximize the luminance of the light that can be emitted in unit volume. Since the light can be emitted without blind spots, it is expected to have an effect that satisfies the desire of consumers who want high brightness.

Second, since it is repeatedly installed in the order of ring frame, PCB, and LED, it is easy to disassemble and assemble the lighting device, and even if a problem occurs in some LEDs, only the part can be replaced or repaired, so the effect of easy handling is expected. .

Third, the size of the lighting device can be adjusted according to the diameter of the ring frame or the number of stacking of the ring frame, so that the effect of satisfying the consumer's desire for various sizes is expected.

Fourth, effective heat exchange is performed by installing a heat dissipation shaft and a heat sink using an empty space inside the ring frame, and the heat sink is expected to have an effect of maximizing a heat exchange effect by being stacked adjacent to the LED.

Hereinafter, a preferred embodiment of a lighting apparatus according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

In the lighting device 100 of the present invention, without forming an integrated separate frame structure that forms the skeleton of the lighting device, a plurality of frames consisting of an annular plate, a heat sink of a PCB and a semi-circular plate are repeatedly stacked and surrounded by This relates to an assembly in which the LEDs are assembled with certain rules.

To this end, the illumination device 100, as shown in Figures 1 to 8, a plurality of light emitting elements 110 for emitting light, a base frame 120 for supplying electricity, the base frame and a plurality of light emission A plurality of PCB (130) for electrically connecting the device, the light emitting device is mounted on the edge and the ring frame 140 is fixed to the PCB on the upper surface, the heat sink 150 and the front to prevent overheating of the light emitting device The front frame 160 is installed, and the ring frame, the PCB and the heat sink are repeated as a set to form a group, the light emitting elements are arranged in the longitudinal direction, thereby forming a layer to a desired length, in particular the ring The frame and PCB support and electrically connect it.

The light emitting device 110 emits light when an electric driving signal is supplied. Accordingly, the light emitting device includes a light emitting unit 112 emitting light as shown in FIGS. 3 to 7 and a pair of basic terminals 114 including an anode (+) and a cathode (-) to supply electricity. It is composed. In the embodiment of the present invention, an LED (Light Emitting Diode) is used. The LED is a semiconductor that converts electricity into light, and the response speed is faster than that of an incandescent lamp or a fluorescent lamp, and power consumption is about 1/10 of that of a fluorescent lamp. In addition, the LED has a long life long enough to be used semi-permanently, does not generate a lot of heat when emitting light, and is a semiconductor that directly converts electricity into light, so it is suitable for the present invention because it has a higher efficiency than a fluorescent lamp.

As shown in FIG. 2, the base frame 120 is a circular plate, and an inner surface of the base frame 120 is further provided with a heat radiating fan 170. It is to prevent the life of the lighting apparatus from being shortened due to heat radiation of the light emitting device for a long time, and promotes air circulation in the lighting apparatus, that is, the ring frame. To this end, the base frame 120 requires a heat dissipation port (not shown) so that air is introduced by the heat dissipation fan 170.

The heat dissipation fan 170 needs to adjust the degree of blowing according to the installation environment of the lighting device, in the embodiment of the present invention, in order to control the driving of the fan motor according to the season or temperature, the temperature for sensing the ambient temperature Further provided is a temperature control PCB 180 having a sensor (not shown) and a temperature controller (not shown) for controlling the speed of the fan motor.

As shown in FIGS. 9, 10, and 11, the heat sink 150 is made of copper (Gu) or aluminum (Al) having excellent thermal conductivity, and is formed of a semicircular plate. The heat dissipation plate 150 includes a heat dissipation shaft 190 that is the center of the heat dissipation plate 150. The heat dissipation shaft 190 performs the function of the central axis as described above, but at the same time also serves as a path for heat transfer, it is preferable that the heat dissipation shaft 190 is formed of a copper (Gu) or aluminum (Al) material having excellent thermal conductivity as well. Do.

As shown in FIG. 12, the heat dissipation shaft 190 is composed of each node so that the heat dissipation shaft 190 may be disassembled in correspondence with a plurality of layers. Each of the heat dissipation shaft 190 has a locking piece 192 is formed on the upper surface and a locking groove (not shown) is formed on the bottom surface, the locking piece 192 is configured to be inserted into the locking groove 194 to be coupled. The locking piece 192 is assembled by turning into the locking groove. Each of the heat dissipation shaft 190 has a cylindrical shape, and the fastening piece 196 is extended on the outer circumferential surface thereof so that the semicircular heat dissipation plate 170 is symmetrically coupled up and down, so that one heat dissipation shaft 190 The left and right pairs of heat sinks 150 are installed at predetermined intervals.

As described above, although the plurality of heat sinks 150 are arranged in the longitudinal direction, that is, the front and rear directions, which are stacked by the heat dissipation shaft 190, the heat dissipation shaft 190 is not directly supported by the ring frame 140 and is separately installed. Directly installed in the center of the base frame 120. 13, 14, and 15, since the heat sink 170 and the heat dissipation shaft 190 are formed of copper or aluminum and perform a function of heat transfer, the heat conduction is applied to the base frame 120. An excellent copper or aluminum heat dissipation frame 122 is detachably installed. Since the base frame 120 is injection-molded with synthetic resin for durability and insulation, a mounting groove to which the heat dissipation frame 122 is coupled is further provided on the outer surface of the base frame 120.

As shown in FIG. 16, the ring frame 140 is a hollow circular plate, and an annular hole for circulating air is formed at the center thereof, and an U-shaped channel (eg, a U-shaped channel) is inserted and seated around the edge. 142 is formed on both sides, and if the LED is installed in the LED channel 142, the LED seated on the outer peripheral surface will emit light in the 360 ° direction. When a plurality of such ring frames 140 are stacked in the longitudinal direction, LEDs emit light without blind spots on the outer circumferential surface of the cylinder such as a fluorescent lamp.

As shown in Figure 10 and 11, the PCB 130 is printed or installed on the resistor or electric circuit and other various components necessary for lighting or blowing, the lighting or blowing connector for power supply between the laminated PCB ( Reference numerals) are provided on both sides. Thus, the PCB 130 is composed of a hollow circular plate, such as the ring frame 140, but is further extended to the center at both sides of the annular hole to install the pair of connectors.

As shown in FIGS. 1, 7, and 8, a separate front PCB 162 that is distinct from the ring PCB 130 may cover the entire front front side inside or behind the front frame 160. It is provided in the form of a circular plate, the inside of the PCB 162 is further provided with a front heat sink 164 of the circular plate for dissipating and conducting heat generated from the LED installed in the front, thus, the front heat sink 164 is a heat radiation shaft By assembling with 190 performs a heat dissipation function.

As shown in FIGS. 17 and 18, the lighting device 100 further includes a reflector 200. The reflection shade 200 is for inducing the user to collect the light emitted in the direction that the user does not want among the light emitted from the light emitting device 110 in a direction desired, formed gradually wider and inclined from the rear to the front do. The rear is provided with a hole for passing the lighting device.

Meanwhile, the base frame 120 further includes a fastening rib (not shown) for fastening with the reflector 200 at the edge thereof, and the fastening rib corresponding to the fastening rib (not shown) is also provided in the reflector 200. It is provided. Accordingly, as shown in FIGS. 19 and 20, the lighting apparatus 100 is inserted into the rear of the reflecting shade 200 in the state in which the lighting apparatus 100 is assembled, and the base frame () is attached to the fastening rib of the reflecting shade 200. Assemble the coupling ribs 120) to correspond to each other and then fix them using bolts.

In addition, the lighting device 100 and the reflector 200 are used for various purposes according to the use conditions, in the embodiment of the present invention, as shown in Fig. 21, 22 and 23, installed in the street lamp Shall be. The lighting device 100 is installed in a protective cap 300 such as a street lamp, a flood lamp or a security lamp to be protected from rain or snow in an assembled state with the reflection shade 200.

Hereinafter, a manufacturing process of the lighting apparatus according to the present invention having the configuration as described above will be described in detail with reference to the accompanying drawings.

As shown in FIG. 2, the heat dissipation frame 122 is seated in a seating groove, and the base frame 120 and the heat dissipation frame 122 are assembled first, and a heat dissipation fan 170 is installed inside. As shown in FIG. 3, the locking piece 192 and the locking groove are rotated to correspond to each other to couple the heat dissipation frame 122 and the heat dissipation shaft 190. On the other hand, the heat dissipation plate 170 is assembled using the fastening piece 196 at the center of the heat dissipation shaft 190. On the other hand, the PCB 130 is installed outside the base frame 120. Insert the LED into the U-shaped channel 142 to electrically connect with the PCB 130, and then as shown in Figure 4 to install the ring frame 140 again to assemble a group of frames, to form a layer .

Repeated in this manner, as shown in FIGS. 5 and 6, the heat dissipation shaft 190 and the heat dissipation plate 150 are assembled, the PCB 130 is installed, the LED is inserted, and the ring frame 140 is installed. When fixed, the lighting device of the desired size is assembled in the longitudinal direction. Therefore, in the center, two heat sinks 170 are repeatedly stacked with respect to one heat dissipation shaft 190, and at the outside, the PCB 180, the LED 110, and the ring frame 140 are repeatedly stacked. It is easy and more robust.

Finally, as shown in FIGS. 7 and 8, by assembling the front heat sink 164, the front PCB 162 and the front frame 160, the assembly of the lighting device 100 shown in FIG. 1 is completed. .

As described above, the present invention in the frame for arranging the LEDs in a certain rule, the frame is composed of an annular ring, by arranging the LEDs on the edge of the ring, by the heat sink for heat exchange inside the ring In addition, it can be seen that the technical idea is to increase the brightness while preventing overheating of the LED. Within the scope of the basic technical idea of the present invention, many other modifications will be possible to those skilled in the art.

1 is a perspective view showing the configuration of a lighting apparatus according to the present invention.

Figure 2 is a perspective view showing a configuration in which the heat radiation fan is installed in the base frame according to the present invention.

Figure 3 is a perspective view showing a configuration in which the PCB and the heat sink is installed in the base frame according to the present invention.

Figure 4 is a perspective view showing a configuration in which a ring frame is installed on the base frame according to the present invention.

5 is a perspective view showing a configuration in which a light emitting element and a heat sink are installed in a ring frame according to the present invention;

Figure 6 is a perspective view showing a configuration in which the ring frame, the PCB, the light emitting element and the heat sink according to the present invention is repeatedly stacked.

7 is a perspective view showing a configuration in which the front frame according to the present invention is installed.

8 is a perspective view showing a configuration in which the front PCB according to the present invention is installed.

9 is a perspective view showing the configuration of a heat sink according to the present invention;

10 and 11 are a front perspective view and a rear perspective view showing a coupling configuration of the PCB and the heat sink according to the present invention, respectively.

12 is a perspective view showing the configuration of a heat dissipation shaft according to the present invention;

Figure 13 is a rear perspective view showing a coupling configuration of the base frame and the heat dissipation frame according to the present invention.

14 is a perspective view showing the structure of a base frame according to the present invention;

15 is a perspective view showing the structure of a heat dissipation frame according to the present invention;

The perspective view which shows the structure of the ring frame by this invention.

17 and 18 are a rear perspective view and a front perspective view, respectively, showing the configuration of the reflection shade according to the present invention.

19 and 20 are a rear perspective view and a front perspective view respectively showing a coupling configuration of the lighting device and the reflecting shade according to the present invention.

21 and 22 are a front perspective view and a rear perspective view respectively showing the configuration of the street lamp protective cap according to the present invention.

Figure 23 is a perspective view showing a coupling configuration of the lighting device, the reflecting shade and the protective cap according to the present invention.

** Description of Codes for Major Configurations of Drawings **

100: lighting device 110: light emitting device

112: light emitting unit 114: basic element

120: base frame 122: heat dissipation frame

130: PCB 140: ring frame

142: channel 150: heat sink

160: front frame 162: front PCB

164: front heat sink 170: heat sink

180: temperature control PCB 190: heat dissipation shaft

192: locking piece 196: fastening piece

200: reflection shade 300: protective cap

Claims (19)

In the LED lighting device using the LED as a light emitting element, A base frame for supplying electricity to the lighting device; At least one PCB electrically connecting the base frame and the plurality of light emitting devices; At least one ring frame on which a light emitting device is seated at one edge and a PCB is fixed at one side thereof; And And a front frame installed at the forefront of the lighting device. LED is installed around the edge of each ring frame as a light emitting element, and irradiates the side of the lighting device with a 360 ° radius, By assembling the respective ring frames in the stacked longitudinal direction, it is possible to adjust the size of the lighting device in the longitudinal direction, LEDs, characterized in that a plurality of U-shaped channels are formed in the longitudinal direction of the circumference of the ring frame along the circumference of the ring frame, and the LEDs are installed in the U-shaped channels of the ring frame. Lighting equipment. delete The method of claim 1, The PCB is a ring-shaped ring PCB, The ring PCB is installed between the ring frame, An annular hole is formed in the center of the ring PCB, LED ring apparatus, characterized in that at least one heat sink for dissipating heat of the LED is further installed in the ring frame and the annular hole of the ring PCB. The method of claim 3, wherein The heat sink is to be connected to the heat sink, The heat dissipation shaft is located in the center of the heat sink is formed of a plurality of layers, The method of connecting the heat sink to the heat dissipation shaft is an LED lighting device, characterized in that the heat dissipation plate is symmetrically paired left and right and installed on the outer peripheral surface of the heat dissipation shaft. delete delete delete delete delete The method of claim 3, wherein A heat dissipation fan installed in front of the base frame to induce air circulation into the lighting device; Further comprising: LED base, characterized in that the base frame corresponding to the heat dissipation fan is provided with a plurality of heat dissipation holes through which air is introduced. 11. The method of claim 10, A temperature control PCB installed on the PCB to control driving of the heat radiating fan motor according to seasons or temperatures; More, The temperature control PCB, the LED lighting device comprising a temperature sensor for sensing the internal temperature of the LED lighting device, and a temperature control unit for controlling the speed of the heat radiating fan motor. delete The method of claim 11, One side of the base frame is fixed in such a way that the heat dissipation frame formed of a heat conducting material can be attached and detached, the heat dissipation shaft is an LED lighting device, characterized in that coupled to the heat dissipation frame. The method of claim 13, The heat sink is composed of a semi-circular plate, The heat dissipation shaft is a LED lighting device, characterized in that the engaging piece is formed on one side and the engaging groove is formed on the other side, the engaging piece is turned into the engaging groove. delete delete delete The method of claim 1, The lighting device is further provided with a reflection shade, The reflection shade is a form that gradually widens from the rear to the front so that the light emitted from the light emitting element is collected in a direction desired by the user using the lighting device, A hole is provided at the rear of the reflector to allow the lighting device to pass therethrough. LED lighting device, characterized in that the rear side of the reflection shade is further provided with a fastening rib to the outside of the hole. The method of claim 18, The lighting device is an LED lighting device, characterized in that used in streetlights, floodlights or security lights.

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