KR200459074Y1 - Light emitting diode lamp - Google Patents

Abstract

The present invention relates to an LED lighting lamp, the purpose of which is to surround a plurality of heat radiation fins connected in a chain type on the outer surface of the heat dissipation main body in which the lamp base and the LED substrate is arranged, so that the heat radiation (cooling) is easily made Of course, the heat dissipation fins can be reliably assembled / installed on the outside of the heat dissipation main body and can accurately maintain their spacing (pin pitch).
LED lighting lamp according to the present invention for this purpose; A socket coupling part 110 is provided at a front end thereof, and a cylindrical lamp base 100 in which a power supply circuit 130 is provided to receive power from the outside and to be supplied with power for driving; The lower diameter portion of the lamp base 100 is accommodated and coupled to the large diameter portion 210 and the small diameter portion 220 which is reduced in diameter at the center of the bottom surface 211 of the large diameter portion 210 extends downwardly is made integrally A heat dissipation main body 200 formed at the top of the outer wall of the large diameter part 210 such that pitch protrusions 215 protrude at regular intervals along the circumferential direction; The middle heat dissipation part made of a thin metal plate and the inner side is in contact with the outer wall of the large diameter portion 210 of the heat dissipation body 200, and the inner side is in contact with the outer wall of the small diameter portion 220 of the heat dissipation body 200. 312 and the heat dissipation fins 310 defined by the lower heat dissipation portion 313 extending downward from the edge of the middle heat dissipation portion 312 are formed along the outer wall of the heat dissipation main body 200, the heat dissipation fins Upper and lower intermediate radiating parts 312 of the 310 are bent 90 degrees in the same direction, and connecting parts 312a and 312b are provided integrally with each other to maintain a constant distance from neighboring radiating fins 310. The connection parts 312a and 312b of the heat dissipation fin 310 and the middle heat dissipation part 312 protrude and extend toward the connection parts 312a and 312b of the neighboring heat dissipation fin 310 and the intermediate heat dissipation part 312. 312f and fastening protrusions 312d and 312f of the connecting portions 312a and 312b of the adjacent heat dissipation fin 310 and the intermediate heat dissipating portion 312. Fastening grooves 312c and 312e are provided to be fitted and coupled, and the heat dissipation fins 310 are adjacent to the heat dissipation fins 310 through the fastening protrusions 312d and 312f and the fastening grooves 312c and 312e. The heat dissipation unit 300 is fastened and assembled in a circular shape, and inner ends of the upper heat dissipation parts 311 of the heat dissipation fins 310 are disposed in the gaps between the pitch protrusions 215, respectively. Circular support coupled to the bottom surface 221 of the small diameter portion 220 of the heat dissipation body 200 to support the lower heat dissipation portion 313 of the heat dissipation fins 310 forming the heat dissipation unit 300. And a plate 400 and an LED substrate 500 disposed on a lower surface of the support plate 400 and mounted with a plurality of LEDs driven by receiving power from the power supply circuit 130. .

Description

LED lighting lamp {LIGHT EMITTING DIODE LAMP}

The present invention relates to an LED (Light Emitting Diode) lighting lamp, and more particularly, to improve the heat dissipation body and the heat dissipation structure of the lighting lamp to facilitate their assembly work and LED to maximize the heat dissipation effect It relates to an illumination lamp using.

In general, an LED (ie, a light emitting diode) is a photoelectric conversion semiconductor device having a structure in which an N-type semiconductor crystal in which a plurality of carriers are electrons and a P-type semiconductor crystal in which a plurality of carriers are holes are bonded to each other. It is a semiconductor light emitting device using natural emission light generated when electrons and holes injected into the glass recombine. These LEDs have high photoelectric conversion efficiency, so the power consumption is usually very low as 5W, and no warm-up time is required, so the lighting and extinguishing speed is fast. In addition, since there is no gas or filament, it is strong in impact and safe, and has a merit of producing a lighting effect of various colors while being semi-permanent in use life.

Recently, indoor / outdoor lighting lamps using LEDs having these advantages have been developed / marketed, one of which is disclosed in Korean Utility Model Registration No. 20-0302769. LED type lighting device disclosed in the prior registered Utility Model No. 20-0302769 is shown in Figure 1; A finger seat (5) is provided on the outer circumferential surface where the heat sink fin (4) and the circumference are divided into equal parts, and an LED seat is formed inside the neck (7). and; A conventional LED assembly 2 having the LED 10 attached to a surface of the substrate 9 on which the wire hole 12 is perforated; It is characterized in that it consists of a convex lens-like cover (3) covering the tip of the aluminum shade (1). In FIG. 1, reference numeral 11 denotes an electric wire for supplying power to the LED assembly 2. Therefore, the LED-type lighting fixture saddles the LED assembly 2 with the LED 10 attached to the LED seat 6 formed on the aluminum shade 1 having the heat dissipation fins 4 formed on the outer circumferential surface thereof, and the aluminum shade 1. In front of the convex lens-type cover (3), compared to a luminaire using a halogen lamp, the power consumption is very low, there is an advantage that the energy cost can be reduced and miniaturized.

However, in the conventional EL-type lighting fixtures, the LED assembly 2 is disposed and an aluminum shade 1 for heat dissipation is provided. The aluminum shade 1 formed with the heat dissipation fin 4 and the finger seat 5 is a kind of precision casting method. Manufacturing by in-die casting not only incurs a significant manufacturing cost but also has a disadvantage of occupying a considerable weight of the lighting fixture. Particularly, the heat dissipation fins 4 are integrally formed on the outer circumferential surface at a predetermined pitch in the aluminum shade 1 for heat dissipation, and the finger seat 5 is formed to be easily snapped into the multi-shaped holder at the circumference. The structure for forming the heat dissipation fin 4 and the finger seat 5 integrally is complicated, of course, there is a drawback that the mold manufacturing cost for this is considerably generated.

To solve the above disadvantages; Applicant has filed a patent application on September 23, 2009 (Application No. 10-2009-0090002) with a heat dissipation main body in which a lamp base and an LED substrate are disposed and an LED lighting lamp that improves its heat dissipation structure. It has been registered (Patent Registration No. 10-0939231). As shown in FIG. 2, the LED lighting lamp disclosed in Korean Patent No. 10-0939231 has a cylindrical heat dissipating main body (not shown) for accommodating a lamp base 30, and a heat dissipating fin made of a metal thin plate on the outside ( 41 is a chain type connected to the heat dissipation unit 40 to surround the heat dissipation main body, a support plate (not shown) attached to the bottom of the heat dissipation main body to hold the heat dissipation fins 41, and the support plate LED substrate (not shown) disposed on the lower surface, and the heat dissipation main body and the heat dissipation configuration that the lamp base 30 and the LED substrate is disposed is made simple, of course, it can be easily There is an advantage that the heat radiation (cooling) is made smoothly due to the heat radiation fins 41 made of a thin plate.

However, in the LED lighting lamp disclosed in the Patent No. 10-0939231 as described above, the heat dissipation fins 41 assembled in a circular shape are separated to maintain a pin pitch firmly in a state of being assembled to surround the heat dissipation main body. Since the configuration is not provided, there is a disadvantage that the pin pitch of the heat dissipation fins 41 can be easily twisted even with a small external impact. Even if the spacing (pin pitch) of the heat dissipation fins 41 in the LED lighting lamp is slightly different, there is no problem in the product function, but if the product whose fin pitch of the heat dissipation fins 41 is incorrect is distributed, there is a concern that the product is recognized as defective.

The present invention is to solve this problem; An object of the present invention is to install a plurality of heat dissipation fins connected in a chain type to the outside of the heat dissipation main body in which the lamp base and the LED substrate are disposed, to facilitate heat dissipation (cooling), as well as to facilitate their assembly work. It is to provide LED lighting lamp that can be used.

In addition, another object of the present invention is to provide an LED lighting lamp that can assemble / install a plurality of heat dissipation fins on the outside of the heat dissipation body reliably and accurately maintain their spacing (pin pitch).

The present invention for achieving this object is; A cylindrical lamp base having a socket coupling part provided at a front end thereof, and having a power supply circuit configured to receive power from the outside and to supply power for driving; The lower end of the lamp base is coupled to the large diameter portion and the small diameter portion which is reduced in diameter in the center of the bottom surface of the large diameter portion is formed integrally, pitch projections in the circumferential direction on the outer wall top of the large diameter portion at regular intervals A heat dissipation body formed to protrude; An upper heat dissipation part made of a thin metal plate and in contact with the outer wall of the large diameter part of the heat dissipation body, an inner heat dissipation part in contact with the outer wall of the small diameter part of the heat dissipation body, and a lower heat dissipation part extending downward from an edge of the middle heat dissipation part. Defining heat dissipation fins are formed along the outer wall of the heat dissipation main body, and the upper and lower sides of the heat dissipation fins are bent by 90 degrees in the same direction to provide a connecting portion for maintaining a constant distance from neighboring heat dissipation fins. The connection parts of the heat dissipation fin middle heat dissipation part may include fastening protrusions protruding toward the connection parts of the neighboring heat dissipation fin middle heat dissipation parts, and fastening grooves of the heat dissipation fin intermediate heat dissipation parts. Tighten up with neighboring heat sink fins through protrusion and fastening groove Are assembled in a circle, it is disposed in the gaps between the radiating fins of the heat radiating portion upper inner end which the pitch of protrusions and the heat dissipation unit that is to maintain a constant distance the radiating fin; A circular support plate coupled to a bottom surface of the small diameter portion of the heat dissipation body to support a lower heat dissipation portion of the heat dissipation fins constituting the heat dissipation unit; An LED substrate disposed on a bottom surface of the support plate and mounted with a plurality of LEDs driven by receiving power from the power supply circuit; .

In addition, the present invention; A tooth portion is formed along the edge of the support plate and the iron is repeated at regular intervals, the inner end of the heat dissipation fins lower heat dissipation portion is disposed in the recess of the tooth portion, respectively, characterized in that the interval between the heat dissipation fins is maintained.

In addition, the present invention; Protruding jaw is provided in the form of a band along the edge on the bottom of the large diameter portion of the heat dissipation body; A mounting groove may be formed on the middle of the heat dissipating portion of the heat dissipation fins so that the heat dissipation fins are seated and coupled to the protrusion jaw so as not to deviate from the outer wall of the heat dissipation body in the radial direction.

In addition, the present invention; A locking groove is provided at an outer end of a lower heat dissipation unit of the heat dissipation fins; A light transmissive cover plate disposed below the support plate to cover the LED substrate from the bottom and protruding hemispherical protrusions to correspond to the LEDs of the LED substrate; The outer edge of the lower end of the heat dissipation unit supports the edge of the cover plate and is characterized in that the coupling ring is provided with a plurality of elastic-locking jaw along the outer wall so as to elastically catch the engaging groove of the heat dissipation fins.

According to the LED lighting lamp according to the present invention made of a configuration as described above; The heat dissipation main body in which the lamp base and the LED substrate are arranged and the heat dissipation configuration thereof can be easily made, and the assembly work can be facilitated. Of course, the heat dissipation fins made of a thin plate facilitate the heat dissipation (cooling). have. In addition, since the configuration of the heat dissipation body and the support plate is simple, their manufacturing costs can be significantly reduced, and the overall weight is also reduced.

In addition, according to the LED lighting lamp according to the present invention; The heat dissipation fins are connected to the neighboring ones through the connecting parts and fastening protrusions provided in the heat dissipation fins, and the heat dissipation unit is easily and reliably manufactured. The heat dissipation fins are formed through the pitch protrusions of the heat dissipation body and the teeth of the support plate. There is an advantage that can be assembled at regular intervals along the pin pitch precisely.

In addition, according to the LED lighting lamp according to the present invention; Through the projection groove provided in the heat dissipation main body and the mounting groove provided in the middle heat dissipation portion of the heat dissipation fins, the heat dissipation fins have a functioning effect that can maximize the heat dissipation effect by maintaining a solid surface contact state without radially deviating from the outer wall of the heat dissipation main body.

In addition, according to the LED lighting lamp according to the present invention; The light emitted from the LEDs of the LED board is concentrated at a predetermined angle through the cover plate to enhance the lighting effect, and the cover plate is easily provided through the coupling ring provided with an elastic-locking jaw to cover the LED board from the bottom. There is an advantage of being assembled and installed.

Figure 1 shows an LED-type lighting device disclosed in the prior registered Utility Model No. 20-0302769.
Figure 2 shows the LED lighting lamp disclosed in the prior patent No. 10-0930231.
Figure 3 is a perspective view showing the appearance of the LED lighting lamp according to the present invention.
Figure 4 is an exploded perspective view showing the overall configuration of the LED lighting lamp according to the present invention.
Figure 5 is a cross-sectional view taken along the line V-V of Figure 3, showing the internal assembly state of the LED lighting lamp according to the present invention.
Figure 6 shows the assembly process of the heat dissipation unit according to the present invention, the heat dissipation fins are shown assembled state in a straight line.
7 and 8 show the assembling process of the heat dissipation unit according to the present invention, showing a state in which the heat dissipation fins coupled with the neighbors are assembled in a circle.
9 is a perspective view showing the assembled state of the heat dissipation unit and the heat dissipation main body and the support plate assembled in a circle according to the present invention.
10 is a cross-sectional view showing the assembled state of the heat dissipation unit and the heat dissipation main body and the support plate assembled in a circle according to the present invention.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the accompanying drawings. 3 to 5 is a view showing the overall configuration of the LED lighting lamp according to the present invention, Figures 6 to 10 is a heat dissipation unit constituting the LED lighting lamp according to the present invention and its assembly structure It is seen.

<Description of the configuration of the LED lighting lamp according to the present invention>

As shown in FIGS. 3 and 4, the lighting lamp using the LED according to the present invention includes a socket coupling part 110 and a lamp base 100 having a power supply circuit 130 (see FIG. 5) disposed therein. And a heat dissipation unit 200 to which the lamp base 100 is coupled and produced by aluminum die casting for heat dissipation, and heat dissipation fins 310 arranged at equal intervals along the outer wall of the heat dissipation main body 200. 300 and a circular support plate 400 coupled to the lower portion of the heat dissipation main body 200 to support the lower portion of the heat dissipation unit 300 through a screw, and a double-sided tape or the like on the lower surface of the support plate 400. A circular LED substrate 500 attached thereto and mounted with a plurality of LEDs driven by receiving power from the power supply circuit 130, and a transparent cover plate 600 disposed to cover the LED substrate 500. The cover plate 600 For it has a coupling ring (700).

4 and 5; The lamp base 100 is connected to the Edison socket (not shown) by a screw coupling method, the socket coupling portion 110 for receiving power to the outside, and the socket coupling portion 110 is disposed to protrude at the tip and is disposed therein. The power supply circuit 130 for stably converting the power input from the outside into the LED drive power supply is composed of a cylindrical socket body 120 is disposed. The lamp base 100 is installed in the large diameter portion 210 of the heat dissipation main body 200 through a screw (not shown), the positioning on the outer wall of the socket body 120 so that the screw work in the pre-assembled state Dragon protrusions 122 are provided, and positioning grooves 213 are formed in the inner wall of the large diameter portion 210 of the heat dissipation body 200 to coincide with the positioning protrusions 122. In FIG. 4 and FIG. 5, reference numeral 121 denotes a screw hole provided in the socket body 120 of the lamp base 100 to tighten the screw.

The heat dissipation main body 200 is made of aluminum to facilitate heat dissipation, which is a large diameter portion 210 to which the lower end of the lamp base 100, that is, the socket body 120 is installed and coupled, and the large diameter portion 210. In the center of the bottom 211 of the bottom diameter is defined as a small diameter portion 220 is formed integrally downward. That is, the heat dissipation main body 200 is manufactured in a simple structure in which the cylindrical large diameter portion 210 and the small diameter portion 220 are integrally formed, and the base 211 of the large diameter portion 210 has a lamp base 100 as described above. The screw boss 212 is provided to protrude for fixing the screw. In addition, pitch projections 215 are provided on the upper end of the outer wall of the large diameter portion 210 of the heat dissipation body 200 at regular intervals along the circumferential direction. In the embodiment of the present invention, the pitch protrusions 215 are formed in the form of dots, and is composed of the same number of heat dissipation fins 310 constituting the heat dissipation unit 300. Therefore, the upper end of the heat radiation fins 310 constituting the heat dissipation unit 300 is positioned in the gap between each of the pitch protrusions 215, thereby facilitating the temporary assembly of the heat radiation fins 310, as well as the heat radiation fins 310. It is possible to accurately maintain their pin pitch in the assembled state, which will be described in detail in the assembly process of the heat dissipation unit 300 to be described later.

And with reference to FIGS. 5 and 6; The heat dissipation unit 300 is a metal (stainless steel) thin plate and the heat dissipation fins 310 are arranged along the outer wall of the heat dissipation main body 200 at equal intervals. Each of the heat dissipation fins 310 is formed on the inside of the heat dissipation main unit 200. The upper heat dissipation part 311 in which the contact part 311a is bent so that the neck part 210 may contact the outer wall, the middle heat dissipation part 312 which contacts the outer wall of the small diameter part 220 of the heat dissipation main body 200, and this middle part It is defined as a lower heat dissipation portion 313 extending downward from the edge of the heat dissipation portion 312.

In addition, the upper and lower sides of the middle heat dissipating portion 310 of the heat dissipation fins 310 constituting the heat dissipation unit 300 are bent by 90 degrees in the same direction, so that the connection portions 312a and 312b for maintaining a constant distance from neighboring ones are provided. Each one consists of one. In addition, the connection parts 312a and 312b of the middle heat dissipation part 312 of the heat dissipation fin 310 protrude and extend toward the connection parts 312a and 312b of the neighboring heat dissipation fin 310 and the middle heat dissipation part 312. ) 312f and fastening grooves 312c and 312e are provided so that the fastening protrusions 312d and 312f of the connecting portions 312a and 312b of the adjacent heat dissipation fin 310 and the intermediate heat dissipating portion 312 are fitted. do.

Thus as shown in FIG. 6; When the heat dissipation fin 310 is initially assembled, the heat dissipation fin 310 may be laminated and assembled in a straight line with neighboring heat dissipation fins 310 through the fastening protrusions 312d and 312f and the fastening grooves 312c and 312e. {In this design, 80 heat radiation fins 310 were connected to form a heat radiation unit 300.}

In addition, as shown in FIG. 7; After wrapping the heat dissipation fins 310 in a circle, the heat dissipation fins 310 positioned at both ends are also connected to each other through the fastening protrusions 312d and 312f and the fastening grooves 312c and 312e, as shown in FIG. 8. They are assembled in a circle to form a heat dissipation unit 300 that can wrap the outer periphery of the heat dissipation body 200.

And, as shown in Figure 9, when the heat dissipation unit 300 is assembled in a circular direction toward the small diameter portion 220 side of the heat dissipation body 200, the heat dissipation fins 310 forming the heat dissipation unit 300 are the heat dissipation body 200 It is assembled to surround the outside of the. Subsequently, when the support plate 400 on which the LED substrate 500 is assembled to the bottom surface 221 of the small diameter portion 220 of the heat dissipating body 200 is assembled through the screw 430, as shown in FIGS. 5 and 10. As such, the heat dissipation unit 300 is firmly assembled to the outside of the heat dissipation main body 200. At this time, the inner ends of the upper heat dissipation portion 311 of the heat dissipation fins 310 are respectively positioned in the gap between the pitch protrusions 215, so that the heat dissipation fins 310 are maintained at a constant interval as they are assembled.

In addition, the heat dissipation unit 300 made of the heat dissipation fins 310 is mounted so as not to deviate from the outer wall of the heat dissipation body 200 in the radial direction, for this purpose, as shown in FIGS. 5 and 10, the heat dissipation body 200 Protruding jaw 214 is provided in the form of a band on the edge of the bottom surface 211 of the large diameter portion 210, the mounting groove (214) is fitted to the upper side of the middle heat radiating portion (312) of the heat dissipation fins (310) 312h) is formed. Accordingly, when the support plate 400 is assembled to the bottom surface 221 of the small diameter portion 220 of the heat dissipating body 200, the screw 430; The heat dissipation unit 300 is firmly fixed without departing from the outer wall of the heat dissipation body 200, and thus the contact portion 311a bent inside the upper heat dissipation portion 311 of the heat dissipation fins 310 (see FIGS. 6 and 7). Is a surface contact with the outer wall of the large diameter portion 210 of the heat dissipation body 200, the contact portion 312g (see Figs. 6 and 7) bent inside the middle heat dissipation portion 312 is a small diameter portion of the heat dissipation body 200 ( 220) Surface contact with the outer wall can maximize the heat dissipation effect.

In addition, the lower portion of the heat dissipation fins 310 constituting the heat dissipation unit 300 is also assembled to maintain a predetermined interval through the support plate 400, for this purpose, as shown in Figure 4 and 10, the support plate 400 Along the edge, a tooth 420 is formed in which yaw 421 and iron 422 are repeated at regular intervals. Therefore, as shown in FIG. 10, when the support plate 400 is assembled with the screw 430 to the bottom surface 221 of the small diameter portion 220 of the heat dissipation main body 200; Inner ends of the lower heat dissipation fins 310 are disposed on the recessed portions 421 of the teeth 420, so that the lower ends of the heat dissipation fins 310 are also maintained at intervals. The yaw and iron of 420 are also equal to the number of heat dissipation fins 310 and 80 along the edge of the support plate 400.}

Meanwhile, as shown in FIGS. 4 and 5, the transparent cover plate 600 is provided in a circular shape so as to cover the LED substrate 500 at a lower portion of the support plate 400, which is made of a transparent synthetic resin. This is to protect the LED substrate 500 from the outside and at the same time to diffuse the light emitted from the outside. In addition, hemispherical protrusions 610 are formed on the transparent cover plate 600 so as to protrude from the LED substrate 500 to correspond to the LEDs, which performs a convex lens function to emit light emitted from the LEDs by a predetermined angle. To increase the lighting effect.

The coupling ring 700 supports the edge of the cover plate 600 at the outer edge of the heat dissipation unit 300 so as not to be separated. That is, the coupling ring 700, the inner wall 710 end supports the edge of the cover plate 600, the outer ring 720 of the coupling ring 700 is coupled to surround the lower end of the heat dissipation unit 300. In order to assemble the coupling ring 700, the locking groove 314 is provided in the form of a band along the outer side of the lower end of the heat dissipation unit 300, that is, the outer side of the lower heat dissipation portion 313 of the heat dissipation fins 310, and the coupling ring ( Four elastic-locking jaws 721 are provided on the outer wall 720 of the 700 to elastically hook the locking grooves 314 of the heat dissipation unit 300. Therefore, when the coupling ring 700 is pushed upward from the bottom of the heat dissipation unit 300, while holding the cover plate 600, the elastic catching jaws 721 are sounding in the catching grooves 314 of the heat dissipation fins 310. Combining in the form of one-touch while giving out.

In FIG. 4 and FIG. 5, reference numeral 410 denotes a wire hole drilled in the center of the support plate 400, through which wires for connecting the power supply circuit 130 and the LED substrate 500 are arranged.

<Description of the operation of the LED lighting lamp according to the present invention>

Next, the operation of the LED lighting lamp according to the present invention and the resulting effects will be described.

When the lamp base 100, the socket coupling portion 110 of the LED lighting lamp according to the present invention is mounted on the Edison socket (not shown), and then the power is applied, the power supply circuit 130 is converted to the power required to drive the LED It is applied to the LED substrate 500 side. Accordingly, the LEDs of the LED substrate 500 are driven to emit light, and the light is emitted through the transparent cover plate 600 to perform an illumination function. At this time, the hemispherical protrusions 610 provided on the cover plate 600 perform a convex lens function and diffuse while diffusing light.

And during the lighting operation, considerable heat is generated in the LED substrate 500, and the heat is smoothly discharged through the heat dissipation body 200 made of aluminum and the heat dissipation unit 300 made of the support plate 400 and the metal thin plate. do.

In particular, the heat dissipation unit 300 is about 80 heat dissipation fins 310 made of a thin metal plate is constantly arranged while maintaining a contact surface with the heat dissipation main body 200 and the support plate 400, the heat generated by the LED drive It will be released to the outside smoothly.

In addition, in the LED lighting lamp according to the present invention, the heat dissipation fins 310 are assembled through the pitch projections 215 provided on the heat dissipation body 200, the large diameter portion 210, and the teeth 420 provided on the support plate 400. By maintaining a constant interval in a solid state, it is possible to increase the heat dissipation effect, as well as the pin pitch of the heat dissipation fins 310 is not twisted even when the impact is applied from the outside.

100 .. Lamp base 110. Socket joint 120. Socket body
130. Power supply circuit 200. Heat dissipation body 210. Large diameter part
215. Pitch protrusion 220 Small diameter 300 Heat dissipation unit
310 .. Heat dissipation pin 400. Support plate 420. Teeth
500. LED board 600. Cover plate 700. Coupling ring

Claims (4)

delete A socket coupling part 110 is provided at a front end thereof, and a cylindrical lamp base 100 in which a power supply circuit 130 is provided to receive power from the outside and to be supplied with power for driving;
The lower diameter portion of the lamp base 100 is accommodated and coupled to the large diameter portion 210 and the small diameter portion 220 which is reduced in diameter at the center of the bottom surface 211 of the large diameter portion 210 extends downwardly is made integrally A heat dissipation main body 200 formed at the top of the outer wall of the large diameter part 210 such that pitch protrusions 215 protrude at regular intervals along the circumferential direction;
The middle heat dissipation part made of a thin metal plate and the inner side is in contact with the outer wall of the large diameter portion 210 of the heat dissipation body 200, and the inner side is in contact with the outer wall of the small diameter portion 220 of the heat dissipation body 200. 312 and the heat dissipation fins 310 defined by the lower heat dissipation portion 313 extending downward from the edge of the middle heat dissipation portion 312 are formed along the outer wall of the heat dissipation main body 200, the heat dissipation fins Upper and lower intermediate radiating parts 312 of the 310 are bent 90 degrees in the same direction, and connecting parts 312a and 312b are provided integrally with each other to maintain a constant distance from neighboring radiating fins 310. The connection parts 312a and 312b of the heat dissipation fin 310 and the middle heat dissipation part 312 protrude and extend toward the connection parts 312a and 312b of the neighboring heat dissipation fin 310 and the intermediate heat dissipation part 312. 312f and fastening protrusions 312d and 312f of the connecting portions 312a and 312b of the adjacent heat dissipation fin 310 and the intermediate heat dissipating portion 312. Fastening grooves 312c and 312e are provided to be fitted and coupled, and the heat dissipation fins 310 are adjacent to the heat dissipation fins 310 through the fastening protrusions 312d and 312f and the fastening grooves 312c and 312e. The heat dissipation unit 300 is fastened and assembled in a circular shape, and inner ends of the upper heat dissipation parts 311 of the heat dissipation fins 310 are disposed in the gaps between the pitch protrusions 215, respectively. )and;
It is coupled to the bottom surface 221 of the small diameter portion 220 of the heat dissipation main body 200 so as to support a lower heat dissipation portion 313 of the heat dissipation fins 310 forming the heat dissipation unit 300. Tooth portion 420 is repeated at regular intervals) and the iron 422 is formed, the inner end of the lower heat dissipation portion 313 of the heat dissipation fins 310 are disposed on the recess 421 of the tooth portion 420, respectively, Circular support plate 400 to maintain the spacing of the heat radiation fins 310;
An LED substrate 500 disposed on a lower surface of the support plate 400 and mounted with a plurality of LEDs driven by receiving power from the power supply circuit 130; LED lighting lamp characterized in that it comprises. The method of claim 2,
The protruding jaw 214 is provided in the bottom surface 211 of the large diameter part 210 of the heat dissipation main body 200 in the form of a band along an edge thereof;
On the upper side of the middle heat radiating portion 310 of the heat dissipation fins 310, the heat dissipation fins 310 are formed with a seating groove 312h in which the protruding jaw 214 is seated and coupled so as not to deviate radially from the outer wall of the heat dissipation body 200. LED lighting lamp characterized by. The method of claim 2,
A locking groove 314 is provided at an outer end of the lower heat dissipation part 313 of the heat dissipation fins 310;
A light-transparent cover plate 600 which covers the LED substrate 500 at a lower portion of the support plate 400 and protrudes a hemispherical protrusion 610 to correspond to the LEDs of the LED substrate 500 at a lower surface thereof. Is placed;
An outer side of the lower end of the heat dissipation unit 300 supports the edge of the cover plate 600 and elastically caught jaw 721 along the outer wall to elastically be caught by the catching grooves 314 of the heat dissipation fins 310. LED lighting lamp, characterized in that the plurality of coupling ring 700 is provided.

Images