KR20110077137A - Led illumination lamp - Google Patents

Abstract

PURPOSE: An LED device is provided to simultaneously facilitate an installation process and secure safety by applying power to a converter and a PCB through a wire or a connector. CONSTITUTION: A PCB mounts a plurality of LEDs which are arranged on a receiving part of a heat sink(110) with a constant space. A base includes a fixing pin(141). The fixing pin, made of insulation materials, is inserted into a socket and surrounds both sides of a tube(120) including the heat sink. A metal wire(160) penetrates through one side of the base and is connected into each LED. A connector pin(170) is connected to each end of the metal wire and applies external power.

Description

LED illumination device

The present invention relates to a lighting device, and more particularly to an LED lighting device to facilitate the installation and to ensure safety.

In general, various lighting devices are used to be installed in indoor or outdoor advertisements or signs to identify images at day or night. These lighting devices use filament bulbs, fluorescent lights, neon signs or LEDs (Light Emitting Diodes).

In particular, the lighting device using the LED has the advantage that the life of the LED is semi-permanent, inexpensive, and low power consumption, the use is increasing.

Here, LED refers to a light emitting diode device, and has advantages such as fast processing speed and low power consumption of LED semiconductors, and has been spotlighted as a next-generation strategic product due to its environmentally friendly and high energy saving effect.

The LED device is composed of p-type and n-type semiconductors, and when voltage is applied, electrons and holes are combined to emit energy corresponding to the bandgap of the semiconductor in the form of light. It is a kind of optoelectronic device.

Recently, various colors of LED have been developed to enable natural color display, and are being applied to various places such as outdoor large billboards, traffic lights, automobile dashboards, home appliances, neon replacement signs, medical equipment, warnings and induction lamps.

In addition, the LED lighting device has been in the spotlight as a lighting device due to its low power consumption of about 10% to 15%, a semi-permanent life of more than 100,000 hours, and environmentally friendly characteristics compared to conventional incandescent or fluorescent lamps.

In order to replace a fluorescent lamp installed in a main body case having a G13 base with an LED lighting apparatus, the LED lighting apparatus according to the prior art is installed by removing a fluorescent lamp and inserting a connecting pin protruding outside the base in accordance with a socket installed at both ends of the main body case. Doing.

However, in the prior art as described above, since the LED lighting device is used by attaching a heat sink to the back of the PCB board for heat dissipation when emitting LEDs, the weight of the LED lighting device is greater than that of ordinary fluorescent lamps because the weight thereof is heavy. Due to this, the main body case may be damaged or the LED lighting device may be detached from the main body case.

In other words, the LED lighting device for using the existing G13 base to replace the general fluorescent lamp is prescribed to be less than 500g in the safety test, but the weight is not suitable for exceeding this, and the output lamp voltage of the electronic ballast does not match in terms of performance. Not only flickering, but also not turn on occurs.

In addition, the LED lighting device using the existing G13 base has a variety of methods and types and structural differences may cause consumer confusion, electric shock, and fire.

The present invention is to solve the conventional problems as described above to form a base and the connecting pins on both sides of the insulating material to play a role of being inserted into the socket and to support the connector connected directly through the wire to the converter and the PCB board The purpose is to provide an LED lighting device to ensure safety by applying power through the.

LED lighting device according to the present invention for achieving the above object is a hemispherical heat sink comprising a plurality of heat dissipation wings and the receiving portion opened in the longitudinal direction on the surface, and the light is made of a hemisphere while covering the heat sink It has a tube to be transmitted, a PCB board mounted with a plurality of LEDs arranged at regular intervals on the receiving portion of the heat sink, and a fixing pin made of an insulating material to be inserted into the socket while wrapping both ends of the tube including the heat sink. It is characterized in that it comprises a base formed, a metal wire penetrating one side of the base and connected to each of the LEDs, and a connector connecting pin connected to the end of the metal wire is applied external power.

In addition, the LED lighting apparatus according to another embodiment of the present invention is a hemispherical heat sink comprising a plurality of heat dissipation wings and the receiving portion opened in the longitudinal direction on the surface, and the light is transmitted through the hemispherical shape while covering the heat sink It is formed having a tube, a PCB board mounted with a plurality of LEDs arranged at regular intervals on the receiving portion of the heat sink, and a fixing pin made of an insulating material to be inserted into the socket while wrapping both ends of the tube including the heat sink. Including a base, a connector insertion groove electrically connected to each of the LEDs having a predetermined depth on the outer surface of the heat sink, and a connector connection terminal configured to be detachably attached to the connector insertion groove to supply external power. It is characterized in that the configuration.

LED lighting apparatus according to the present invention has the following effects.

That is, the base and the connecting pins on both sides are formed of an insulating material to be inserted and supported in the socket, and connected to the converter and the PCB board directly through a wire or a connector to secure power by applying power. Installation can be made easier.

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

1 is a perspective view schematically showing an LED lighting apparatus according to a first embodiment of the present invention, Figure 2 is a cross-sectional view showing the LED lighting apparatus along the line II-II 'of FIG.

1 and 2, the LED lighting apparatus 100 according to the present invention has a hemispherical heat dissipation plate having a plurality of heat dissipation vanes 111 and a receiving portion 117 opened in a longitudinal direction on a surface thereof. 110, a plurality of LEDs 131 arranged at regular intervals on the tube 120 made of a semi-spherical transparent material while covering the heat sink 110 and the receiving portion 117 of the heat sink 110. And a fixing pin 141 made of an insulating material to be inserted into a socket (not shown) while surrounding both ends of the tube 120 including the heat sink 110. The base 140, the converter 150 configured in the accommodating part 117 of the heat sink 110 to control the LED 131, and the LEDs 131 passing through one side of the base 140. And a metal wire 160 connected to the converter 150, and connected to an end of the metal wire 160 to the outside. It is configured to include a connector connecting pin 170 is applied to the power.

The heat dissipation plate 110 includes an extension portion 112 that is bent inwardly at both ends, and the plurality of heat dissipation wings 111 is configured to increase heat dissipation area to increase heat dissipation efficiency.

The heat dissipation plate 110 has a surface on which a plurality of heat dissipation wings 111 are formed at regular intervals in order to maximize a heat dissipation effect on a surface opposite to the surface on which the metal PCB substrate 130 is attached.

It includes a plate 113 and a receiving protrusion 114 connected to both sides of the plate 113 is mounted on the extension 112 of the heat sink 110 and having a flat structure on the surface so that the metal PCB substrate 130 is mounted. The fixing portion 115 is configured to.

The metal PCB substrate 130 is mounted between the receiving protrusions 114 of the fixing part 115.

Inserts 116 are formed at both upper ends of the heat sink 110, and corresponding inserts 121 are coupled to the inserts 116 at lower ends of the tube 120.

In addition, when the heat sink 110 and the tube 120 is coupled and separated, the insertion portion 116 and the corresponding insertion portion 121 exert elasticity, so that the heat sink 110 and the tube 120 are coupled and It is configured to ensure the ease of separation.

The heat sink 110 has an accommodating part 117 formed therein, and consists of an extension part 112 formed inwardly at both ends and bent upward. The heat sink 110 is a slim or stick type having a semi-circular shape. It is formed to have a length of, and in the present invention will form the main body of the lamp using the LED (131).

The accommodating part 117 is formed along the longitudinal direction while penetrating the inside of the heat sink 110, and the extension part 112 is formed to have a predetermined width along the longitudinal direction in a pair facing each other. The government 115 is mounted on the extension 112.

In addition, a converter 150 is built in the accommodating part 117, and is arranged under the plate 113 of the fixing part 115 to be connected to each of the LEDs 131. Each LED 131 can be turned on even when power is input from either socket of the mercury discharge tube fluorescent lamp frame installed, so it is not necessary to consider the coupling direction when installing the LED lighting device to the frame, thereby improving consumer convenience and inputting. It cuts off over voltage and over current of power, removes surge voltage and noise from outside and supplies stable constant current of constant size to LED 131 so that each LED 131 can be turned on without blinking with constant illuminance. Bidirectional input power processing is possible.

On the other hand, in the embodiment of the present invention has been described that the built-in converter 150, but not limited to this may be mounted on an external body case.

The heat dissipation wing 111 is formed along the longitudinal direction on the outer surface of the heat dissipation plate 110, and is formed to increase the heat dissipation area to increase heat dissipation efficiency, wherein the heat dissipation wing 111 is formed of the heat dissipation plate 110. To increase the heat dissipation efficiency by forming a plurality of heat dissipation wings on the inner wall surface of the accommodating part 117 as much as the space of the accommodating part 117 of the heat dissipating plate 110 allows to ensure the maximum heat dissipation area. It is desirable to prevent damage to the lamps due to overheating and to prevent the risk of fire.

The fixing part 115 includes a plate 113 mounted on the extension part 112 of the heat dissipation plate 110, and a receiving protrusion 114 connected to both sides of the plate 113. That is, in the fixing part 115, the plate 113 and the receiving protrusions 114 connected to both sides of the plate 113 protrude upwards, and thus the upper surface of the plate 113 and the respective receiving protrusions 114. A constant space is formed between the metal PCB substrate 130 is accommodated.

In this case, a taper 114a is formed on the inner side and the outer side of the receiving protrusion 114 so that the metal PCB substrate 130 is coupled to each other, and the corresponding insertion protrusion 122 of the corresponding insertion portion 121 will be described below. Corresponding to the inclined portion 124 formed in the heat sink 110 and the tube 120 is preferably to ensure the ease of separation and coupling ease.

The metal PCB substrate 130 is seated between the receiving protrusions 114 of the fixing part 115, and a plurality of LEDs 131 are mounted at regular intervals, and the metal PCB substrate 130 has a predetermined length. Is formed to have a, a plurality of LED 131 is mounted on the metal PCB substrate 130, the LED 131 is formed spaced at predetermined intervals along the longitudinal direction.

In this case, the LEDs 131 may be formed in a row on the metal PCB substrate 130, and furthermore, the LEDs 131 may be arranged in a zigzag shape in both directions, or the metal PCB substrate 130 may be The LED 131 may be arranged to form a predetermined gradient and have a plurality of rows on the metal PCB substrate 130 to extend the irradiation range.

Except for each LED 131 mounted portion of the metal PCB substrate 130, a white coating or a separate reflector using any one of the surface Ag, Al ₂ O ₃ , TiO ₂ , Al, PEN, PET The light source may be reflected when the LEDs 131 emit light.

Meanwhile, although the metal PCB substrate 130 is described as one embodiment in the embodiment of the present invention, a PCB substrate made of a plastic material may be used without being limited thereto.

 At this time, the LED 131 may be used by mixing at least one or a plurality of light emitting diodes of red (R), green (G), blue (B) and white (W).

The tube 120 is formed in a hemispherical shape covering the heat sink 110, the thickness of both sides is relatively thinner than the upper center, thereby increasing the amount of light emitted to both sides to be irradiated from each LED 131 It is formed to extend the directing angle of the light.

That is, the tube 120 is formed in a hemispherical shape so as to cover the upper portion of the heat sink 110, and the thickness of both sides is formed relatively thinner than the thickness of the upper center of the tube 120, the tube 120 It is preferable to increase the transmission amount of light emitted to both sides to extend the directing angle of the light irradiated from the respective LEDs 131 to increase the lighting efficiency of the lamp.

And the configuration for the coupling and separation of the heat sink 110 and the tube 120 is implemented by the detachment means described below will be described together.

Furthermore, although the tube 120 has been described as being made of a transparent material, the present invention is not limited thereto, and the tube 120 may be made of a semi-transparent member for correcting a transmission amount of a light source irradiated from each LED 131, which is the LED 131. By transmitting the direct light of the through a tube 120 formed of a translucent member, more natural and soft lighting is possible to reduce the fatigue of the user's eyes.

The detachable means has an insertion portion 116 formed at the upper end of the heat sink 110, a corresponding insertion portion 121 coupled to the insertion portion 116 is formed at the lower end at the tube 120, the heat sink When inserting and detaching the 110 and the tube 120, the inserting portion 116 and the corresponding inserting portion 121 exert elasticity to be detached, thereby ensuring ease of coupling and detachment of the heat sink 110 and the tube 120. You can do it.

And in the detachable means for implementing the insertion portion 116 is formed extending from the upper end of both sides of the heat dissipation plate 110, bent toward the inside insertion protrusion 116a, the insertion protrusion 116a and the extension Insertion groove 116b formed by the portion 112 and the receiving projection 114, the corresponding insertion portion 121 is continuously bent in the inner and downward direction at both lower ends of the tube 120, the outer side And a corresponding insertion protrusion 122 coupled to the insertion groove 116b and a corresponding insertion groove 123 formed on the corresponding insertion protrusion 121 and coupled to the insertion protrusion 116a.

That is, when the heat sink 110 and the tube 120 are coupled and separated, the insertion protrusion 116a of the insertion portion 116 exerts elasticity on the corresponding insertion groove 123 of the corresponding insertion portion 121. Detachable, and the corresponding insertion protrusion 122 of the corresponding insertion portion 121 is formed to be detachable by exerting elasticity in the insertion groove 116b of the insertion portion 116, the heat sink 110 and the The coupling and detachment of the tube 120 can be more easily and simply implemented, and thus, when the lamp using the LED 131, for example, the LED 131 is broken or damaged, or an abnormality of the metal PCB substrate 130. When this occurs, the detachment of the heat sink 110 and the tube 120 to replace or repair them can be quickly and easily ensure its convenience.

Particularly, when the heat sink 110 and the tube 120 are coupled, the corresponding insertion protrusion 122 of the corresponding insertion part 121 is in contact with the outer surface of the receiving protrusion 114 of the fixing part 115 and is coupled thereto. In this case, an inclined portion 124 inclined outward is formed at the inner lower portion of the corresponding insertion protrusion 122, thereby ensuring a coupling property when the heat sink 110 and the tube 120 are coupled to provide a more reliable product. It can be provided.

The base 140 is coupled to both ends of the heat sink 110 and the tube 120 and is coupled to both ends thereof to fix them.

Here, a fixing pin 141 is formed at the center of the base 140 so as to be inserted into and fixed to a socket installed at both ends of the main body case, and the base 140 and the fixing pin 141 may be integrally formed. It can be formed detachably.

Meanwhile, an additional protrusion (not shown) is additionally formed on the surface of the base 140 perpendicular to the fixing pin 141 to fix the LED lighting device more firmly by fixing the protrusion to the main body case. You may.

In addition, the metal wire 160 is connected to the base 140 through a portion where the heat sink 110 and the tube 120 are connected, and the metal wire 160 is mounted on the metal PCB substrate 130. Power is applied to the connector connection pins 170 connected to each LED 131 and the converter 150 or connected to the metal PCB board 130 and the converter 150 to be connected to the outside to emit each LED 131. Done.

The metal wire 160 may be connected to each of the LEDs 131 and the converters 150 mounted on the metal PCB substrate 130 through the center portion of the heat sink 110.

One end of the metal wire 160 is connected to the connector connecting pin 170, which is connected to an external connector to convert the power applied through the external connector through the metal wire 160 through the converter 150 ) And each LED 131.

The metal PCB board 130 mounted on the heat sink 110 is fixed through a screw fastening method through the rear surface of the heat sink 110 or through the metal PCB board 130.

Without being limited to this, a sliding groove (not shown) is formed along the length direction so that the metal PCB substrate 130 is inserted from one side on the heat sink 110, and the metal PCB substrate 130 is inserted into the sliding groove. Can be fixed without using a separate fixing means.

In addition, a heat absorbing plate (not shown) made of a metal material may be separately configured between the metal PCB board 130 and the heat sink 110, wherein the heat absorbing plate has a thickness of 0.2 mm and the LEDs. It serves to absorb the heat generated from 131, each LED 131 has a 0.19W brightness.

The heat absorbing plate may be connected to the rear surface of the LED 131 through the metal PCB substrate 130 to transfer heat to the heat sink 110 when the LED 131 emits light.

On the other hand, the thickness of the heat absorbing plate is not limited to 0.2mm and can be made thick or thin as needed, the brightness of the LED 131 is not limited to 0.19W, but those skilled in the art It can be selected appropriately.

In addition, the material of the tube 120 is synthetic resin or glass, the synthetic resin is any one of acrylic, PE or PVC, polycarbonate, the light diffusion agent is mixed with the synthetic resin.

The metal PCB substrate 130 uses an aluminum substrate having excellent thermal conductivity.

The tube 120 is fixed to the front surface of the heat sink 110 to protect the LED 131 mounted on the metal PCB substrate 130, and configured to irradiate the light emitted from the LED 131 to the outside It is.

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

The LED lighting apparatus according to the second embodiment of the present invention does not form a metal wire 160 through the base 140 or a portion of the heat sink 110 as compared with the first embodiment, the heat sink 110 Connector insertion grooves 119 electrically connected to the LEDs 131 and the converters 150 are formed at predetermined portions of the outer surface, and the connector connection terminals are inserted into the connector insertion grooves 119 to supply external power. Except for 180, the configuration is the same.

That is, in the LED lighting apparatus according to the second embodiment of the present invention, when the metal wire 160 is installed on the base 140 or the heat sink 110, the LEDs may be damaged due to poor contact of the metal wires 160. When the external power is applied to the 131 or the converter 150, a defect may occur, so that each LED 131 and the converter 150 have a predetermined depth on the outer surface of the heat sink 110 to solve the problem. The connector insertion groove 119 is electrically connected to the connector insertion groove 119, and the connector insertion groove 119 is detachably configured to constitute a connector connection terminal 180 for supplying external power.

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

The LED lighting apparatus according to the third embodiment of the present invention has a plurality of air vents that penetrate the surface of the base 140 and correspond to the receiving portion 117 of the heat sink 110 as compared with the first embodiment. It has the same configuration except that 142 is configured.

That is, the LED lighting apparatus according to the third embodiment of the present invention corresponds to the accommodating portion 117 of the heat sink 110 on the base 140 and generates heat generated when the LEDs 131 emit light. The air vent 142 having a plurality of holes is configured to more quickly radiate heat when discharged to the outside through the 110. Here, since the air vent 142 is configured in the base 140 formed at both ends of the heat sink 110 and the tube 120, the outside air flows in or the inside air is easily discharged to the outside. The heat dissipation ability can be further improved than using only).

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

The LED lighting apparatus according to the fourth embodiment of the present invention has a plurality of air vents formed through the surface of the base 140 and corresponding to the receiving portion 117 of the heat sink 110 as compared with the second embodiment. It has the same configuration except that 142 is configured.

That is, the LED lighting apparatus according to the fourth embodiment of the present invention corresponds to the accommodating portion 117 of the heat sink 110 on the base 140 and generates heat generated when the LEDs 131 emit light. The air vent 142 having a plurality of holes is configured to more quickly radiate heat when discharged to the outside through the 110. Here, since the air vent 142 is configured in the base 140 formed at both ends of the heat sink 110 and the tube 120, the outside air flows in or the inside air is easily discharged to the outside. The heat dissipation ability can be further improved than using only).

FIG. 6 is a perspective view schematically illustrating an LED lighting apparatus according to a fifth embodiment of the present invention, and FIG. 7 is a cross-sectional view of the LED lighting apparatus taken along line III-III ′ of FIG. 6.

As shown in FIGS. 6 and 7, the LED lighting apparatus according to the fifth embodiment of the present invention has at least one graphite pattern line between the heat dissipation vanes 111 of the heat dissipation plate 110 as compared with the third embodiment. Except that the 190 is configured in the longitudinal direction of the heat sink 110 has the same configuration.

The graphite pattern line 190 is a material having a large heat capacity. When the LEDs 131 emit light to generate heat, the graphite pattern line 190 absorbs heat more quickly and radiates heat to the outside, thereby shortening the heat dissipation time.

The graphite pattern line 190 has a groove formed at a predetermined depth between the plurality of heat dissipation vanes 111 formed on the heat dissipation plate 110, and has a structure in which graphite is embedded in the groove.

Meanwhile, the graphite pattern line 190 may be fastened and fixed between the heat dissipation vanes 111 in a sliding manner.

On the surface on which the heat dissipation wing 111 is formed, a plurality of graphite pattern lines 190 are inserted at regular intervals so that heat generated when the LED 131 mounted on the metal PCB substrate 130 is emitted more quickly. It absorbs and releases.

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

The LED lighting apparatus according to the sixth embodiment of the present invention does not form the metal wire 160 through the base 140 or a portion of the heat sink 110 as compared with the fifth embodiment, the heat sink 110 Connector insertion grooves 119 electrically connected to the LEDs 131 and the converters 150 are formed at predetermined portions of the outer surface, and the connector connection terminals are inserted into the connector insertion grooves 119 to supply external power. Except for 180, the configuration is the same.

That is, in the LED lighting apparatus according to the sixth exemplary embodiment of the present invention, when the metal wire 160 is installed on the base 140 or the heat sink 110, each LED (eg, due to a poor contact of the metal wire 160) is installed. When the external power is applied to the 131 or the converter 150, a defect may occur, so that each LED 131 and the converter 150 have a predetermined depth on the outer surface of the heat sink 110 to solve the problem. The connector insertion groove 119 is electrically connected to the connector insertion groove 119, and the connector insertion groove 119 is detachably configured to constitute a connector connection terminal 180 for supplying external power.

9 is a cross-sectional view showing an LED lighting apparatus according to a seventh embodiment of the present invention.

As shown in FIG. 9, the LED lighting apparatus according to the seventh embodiment of the present invention does not form a graphite pattern line 190 between the heat dissipation vanes 111 as compared to the LED lighting apparatus of FIG. 7. The same structure except that a plurality of holes 118 are formed in the longitudinal direction inside the 110, and a graphite pattern line 190 is formed in at least one hole 118 of the plurality of holes 118. Has

That is, in the LED lighting apparatus of FIG. 7, the graphite pattern line 190 is formed in the longitudinal direction of the heat sink 110 between the heat dissipation vanes 111 to absorb heat and radiate heat. However, the LED lighting apparatus of FIG. A plurality of holes 118 are formed in the heat dissipation plate 110 in the longitudinal direction, and the graphite pattern line 190 is inserted into at least one hole 118 of the plurality of holes 118 to dissipate heat. Doing.

In this case, the converter 150 of FIG. 5 may be embedded in the heat sink 110 or may be embedded in an external socket.

10 is a cross-sectional view showing an LED lighting apparatus according to an eighth embodiment of the present invention.

As shown in FIG. 10, the LED lighting apparatus according to the eighth exemplary embodiment of the present invention is the same except for the structure of the heat sink 110 as compared to the LED lighting apparatus of FIG. 7.

That is, as shown in FIG. 10, the heat dissipation plate 110 coupled to the tube 120 has a plurality of heat dissipation wings 111 formed at regular intervals on a surface thereof, and the heat dissipation plate 111 is disposed between the heat dissipation wings 111. The graphite pattern line 190 is configured to extend to a predetermined depth based on the surface of the 110.

11 is a perspective view schematically showing a main body case equipped with an LED lighting apparatus according to each embodiment of the present invention.

As shown in FIG. 11, the LED lighting device 100 is mounted to the body case 200 at regular intervals, and includes an insulating pin 141 made of an insulating material at both ends of the LED lighting device 100. The base 140 is inserted into and mounted in the socket 210 of the main body case 200.

In addition, the power for emitting each LED 131 of the LED lighting device 100 is connected to both ends of the LED lighting device 100 from the back of the main body case 200 through a metal wire or a connector is supplied. .

On the other hand, the present invention described above is not limited to the above-described embodiment and the accompanying drawings, it is possible that various substitutions, modifications and changes within the scope without departing from the technical spirit of the present invention It will be apparent to those skilled in the art.

1 is a perspective view schematically showing an LED lighting apparatus according to the present invention

FIG. 2 is a cross-sectional view of an LED lighting apparatus along line II-II ′ of FIG. 1.

3 is a perspective view schematically showing an LED lighting apparatus according to a second embodiment of the present invention

4 is a perspective view schematically showing an LED lighting apparatus according to a third embodiment of the present invention

5 is a perspective view schematically showing an LED lighting apparatus according to a fourth embodiment of the present invention

6 is a perspective view schematically showing an LED lighting apparatus according to a fifth embodiment of the present invention

FIG. 7 is a cross-sectional view of an LED lighting apparatus along line III-III ′ of FIG. 6.

8 is a perspective view schematically showing an LED lighting apparatus according to a sixth embodiment of the present invention

9 is a cross-sectional view showing an LED lighting apparatus according to a seventh embodiment of the present invention

10 is a cross-sectional view showing an LED lighting apparatus according to an eighth embodiment of the present invention

11 is a perspective view schematically showing a main body case equipped with LED lighting apparatus according to each embodiment of the present invention

Explanation of symbols for the main parts of the drawings

110: heat sink 120: tube

130: metal PCB substrate 140: base

150: converter 160: metal wire

Claims (12)

A hemispherical heat dissipation plate comprising a plurality of heat dissipation vanes and a receiving portion opened in a longitudinal direction on a surface thereof; Covering the heat sink and made of a hemispherical tube through which light is transmitted; A PCB board mounted with a plurality of LEDs arranged at regular intervals on a receiving portion of the heat sink; A base formed with a fixing pin made of an insulating material to be inserted into a socket while surrounding both ends of the tube including the heat sink; A metal wire penetrating one side of the base and connected to each of the LEDs; LED lighting device comprising a connector connecting pin connected to the end of the metal wire to which external power is applied. A hemispherical heat dissipation plate comprising a plurality of heat dissipation vanes and a receiving portion opened in a longitudinal direction on a surface thereof; Covering the heat sink and made of a hemispherical tube through which light is transmitted; A PCB board mounted with a plurality of LEDs arranged at regular intervals on a receiving portion of the heat sink; A base formed with a fixing pin made of an insulating material to be inserted into a socket while surrounding both ends of the tube including the heat sink; A connector insertion groove electrically connected to each of the LEDs having a predetermined depth on an outer surface of the heat sink; LED connector is characterized in that it is configured to be removable in the connector insertion groove comprises a connector connection terminal for supplying external power. The LED lighting apparatus of claim 1 or 2, further comprising a heat absorbing plate disposed between the PCB substrate and the heat sink. The LED lighting apparatus according to claim 1 or 2, further comprising an air vent having a plurality of holes penetrating the surface of the base and corresponding to the receiving portion of the heat sink. The LED lighting apparatus according to claim 1 or 2, further comprising a converter configured in the accommodating part of the heat sink to control the LED. The LED lighting apparatus of claim 1 or 2, wherein the base and the fixing pin are integrally formed. The LED lighting apparatus of claim 1 or 2, further comprising at least one graphite pattern line inserted between the heat dissipation vanes of the heat dissipation plate in the longitudinal direction of the heat dissipation plate. The LED lighting device of claim 1 or 2, wherein the tube is made of a transparent material or a translucent material. The LED lighting apparatus of claim 7, wherein the graphite pattern line extends to the inside of the heat sink. According to claim 1 or 2, wherein the plurality of holes are formed in the longitudinal direction of the heat sink in the heat sink, characterized in that the graphite pattern line is formed in at least one hole among the plurality of holes. LED lighting equipment. The LED lighting apparatus of claim 3, wherein the heat absorbing plate is connected to the rear surface of the LED through the PCB substrate. The LED display device according to claim 1 or 2, wherein the PCB substrate is a metal PCB substrate.

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