KR100956653B1 - Led lamp - Google Patents

Abstract

PURPOSE: An LED lamp is provided to efficiently discharge heat from an LED by including a first heat sink and a second heat sink. CONSTITUTION: An LED module is comprised of an LED and a PCB. The PCB is made of ceramic materials. A housing(20) includes an LED module mounting unit and combining unit. The housing is made of metal materials. A lens(30) has the combination part corresponding to the combination unit of the housing. A first heat sink unit(40) surrounds the housing. A double-sided adhesive tape is attached to the lower side of the housing. A second heat sink unit includes an attachment unit, a plurality of heat radiation fins, and a plurality of heat radiation pieces. The attachment unit is attached to one side of the double sided adhesive tape. The heat radiation piece is connected to both sides of each heat radiation fin.

Description

LED light with excellent heat dissipation {LED LAMP}

The present invention introduces a ceramic PC with excellent heat dissipation performance in order to maintain a heat dissipation structure such as an LED more directly and efficiently, and at the same time, by introducing a metal housing in the housing in which the ceramic PC directly contacts, the heat dissipation performance of the LEDs, etc. Further, the present invention relates to an LED having excellent heat dissipation that can extend its use range by employing ceramic PCs and metal housings in various types of lightings.

Luminaires are being developed using light-emitting diodes (LEDs) as light sources in traditional light sources such as incandescent lamps and fluorescent lamps. Lighting fixtures that use LEDs as light sources are expected to replace traditional lighting fixtures due to their low environmental pollution and long lifespan. Recently, many researches and developments have been made. .

In the field of LED lighting fixtures, development items are largely concentrated in three parts. The first is a study on a light source, that is, a PCB on which an LED is mounted, and the second is a study on a heat sink to dissipate heat generated by light emission of an LED. The third is a study on the power source for the light emission of the LED.

In particular, research on heat sinks for radiating heat generated by the emission of LEDs continues.

The heat dissipation performance of the lighting fixtures that have been developed and spread in the related art has a problem of improving the durability of the product and falling short of satisfying consumer's preference.

The present invention has been made to solve the above problems.

In order to maintain the heat dissipation structure of the LEDs more directly and efficiently, the ceramics with excellent heat dissipation performance are introduced, and at the same time, the metal housing is introduced into the housing where the ceramic PCs directly contact, and the heat dissipation performance of the LEDs is greatly improved. Furthermore, one object of the present invention is to provide an LED, which has excellent heat dissipation, which can extend its use range by employing ceramic PCs and metal housings in various types of lightings.

LEDs and the like excellent in heat dissipation according to the present invention includes an LED module including an LED and the LED mounted on the LED; A housing having a mounting portion and a coupling portion for the LED module; A lens having a corresponding coupling portion corresponding to the coupling portion of the housing; And a first heat dissipation means surrounding the housing, wherein the PCB is a ceramic PCB and the housing is a metal housing.

And a lower surface portion of the housing according to the present invention is attached to the double-sided adhesive tape for heat dissipation, the adhesive portion bonded to one surface of the double-sided contact tape, a plurality of heat dissipation fins connected to the attachment portion and arranged vertically, The second heat dissipation means is connected to both sides of each of the heat dissipation fins, the second heat dissipation means including the heat dissipation pieces arranged alternately.

In addition, the heat dissipation fin arranged in the center of the heat dissipation fin according to the present invention is further provided with a fixing portion, the fixing member including a support member having a corresponding fixing groove corresponding to the fixing portion, and a fixing pin for coupling the corresponding fixing groove and the fixing portion; It further comprises a means, wherein the fixing portion is made of a rhombus-shaped fixing groove, the fixing pin is a head portion, an elastic portion having elasticity and fit into the fixing groove, and a joint portion connecting the head portion and the elastic portion Characterized in that the made up.

Furthermore, the first heat dissipation means according to the present invention is characterized in that the heat dissipation protrusions constituting a plurality of groups or a plurality of heat dissipation slits.

The LED or the like having excellent heat dissipation according to the present invention introduces a ceramic PC having excellent heat dissipation performance in order to maintain a heat dissipation structure such as an LED more directly and efficiently, and simultaneously introduces a metal housing in the housing in which the ceramic PC directly contacts the LED. It is an object of the present invention to provide an LED and the like having excellent heat dissipation which can extend the range of use by dramatically improving the heat dissipation performance of the lamp and employing ceramic PCs and metal housings for various types of lighting.

With reference to the accompanying drawings, such as an excellent heat dissipation LED according to the present invention,

1 to 4 is a perspective view, a cross-sectional view and a bottom view showing a light bulb type LED and the like according to the present invention,

5 and 6 are a perspective view and a cross-sectional view showing the LED of the canopy type according to the present invention,

7 to 11 is a perspective view and a cross-sectional view showing a second heat dissipation means and fixing means such as an LED according to the present invention.

1 to 6, the LED 13 and the like excellent in heat dissipation according to the present invention is

An LED module 10 including an LED 13 and a PCB 11 on which the LED 13 is mounted; A housing 20 having a mounting portion 11 and a coupling portion 23 for the LED module 10; A lens 30 having a corresponding coupling portion 31 corresponding to the coupling portion 23 of the housing 20; And a first heat dissipation means 40 surrounding the housing 20, wherein the PC 11 is a ceramic PC 11 and the housing 20 is a metal housing 20. do.

1 to 6 in the LED and the like excellent heat dissipation according to the present invention, the LED module 10 is

It comprises a PCB 11 placed in the mounting portion 11 of the housing 20, and a plurality of LEDs 13 mounted on the PCB11.

In addition, the LEDs 13 mounted on the PC 11 may be arranged in various forms, and it is preferable to introduce various colors to effectively illuminate the aesthetics and various uses.

Above all, in the LED module 10 according to the present invention, the PCB 11 uses a ceramic PCB 11 having excellent heat dissipation efficiency in order to more effectively dissipate heat generated from the LED 13. To have performance

By preventing the damage or damage of the components due to heat, it is possible to increase the durability of the product, thereby preventing economic waste.

Hereinafter, the configuration of the LED lamp 100 of the bulb type and the LED lamp 200 of the canopy type (canopy) of the modified example of the LED 13 and the like according to the present invention,

First, differences between the respective modifications will be described, and common configurations will be described after the differences.

1 to 4, in the bulb type LED, which is the first modification of the LED, etc. according to the present invention, the housing 20 is

Protruding therein, the upper surface portion is provided with a mounting portion 11 of the planar shape, the lower portion of the mounting portion 11 is formed with a receiving portion 25,

And the upper end of the housing 20 is provided with a coupling portion 23 formed in the shape of an annular step.

That is, the mounting portion 11 is housed in the PCB 11 of the LED module 10, the receiving portion 25 is housed in the inner support 110 to be described later,

The corresponding coupling part 31 of the lens 30 is inserted into the coupling part 23 so that the housing 20 and the lens 30 are coupled to each other.

In this case, the corresponding coupling part 31 of the lens 30 is formed in an annular stepped shape and inserted into the coupling part 23.

The corresponding coupling part 31 is provided with a locking jaw 31a protruding outward, so that the coupling part of the housing 20 is coupled to the housing 20 by the locking jaw 31a when the housing 20 and the lens 30 are coupled to each other. 23) The upper end is caught to prevent the housing 20 from coming up above the coupling portion of the lens 30 to prevent the housing 20 from moving out of the coupling position.

In addition, the first heat dissipation means 40 is formed to surround the outer peripheral surface of the housing 20,

The first heat dissipation means 40 is formed with a heat dissipation groove 43a radially formed on the outer circumferential surface of the housing 20,

The heat dissipation groove 43a is provided at the lower end of the heat dissipation grooves 43a or the heat dissipation slits 43 which are alternately arranged in the heat dissipation grooves 43a. It is configured to be.

And the receiving portion 25 of the housing 20 is provided with an internal support 110,

The internal support 110 is for supplying power to the LED module 10 and for mounting the driving circuit 140 for various controls.

A plurality of through holes 115 corresponding to the threaded holes 21a formed in the mounting part 11 are provided on the upper surface of the inner supporter 110, and are coupled to the mounting part 11 of the housing 20 by screws. ,

On the inner surface of the inner support 110, support grooves 117 on which the driving circuit 140 is mounted are formed at both sides to fix and support the inner support 110.

In addition, a vent hole 113 is radially formed in the inner lower portion of the inner support 110 so that heat generated from the LED module 10 emits internal heat such as the mounting portion 11 and the LED 13 of the housing 20 to the outside. Inflow of cold air from outside,

In this case, the air passing through the vent hole 113 can be communicated through the heat dissipation slit 43 of the first heat dissipation means 40.

In addition, the lower end of the inner support 110, the connecting portion 111 is formed on the periphery, the connecting portion 111 is a hook projection (111a) provided in a radial shape around the lower end of the inner support 110,

The hook protrusion 111a is coupled to the corresponding hook protrusion 121a, which is a corresponding connection portion 121 formed around the upper end of the outer support 120, in a one-touch manner to connect the inner support 110 and the outer support 120. do.

In addition, an outer support 120 coupled to a lower portion of the inner support 110 is provided, and the outer support 120 is disposed on the hook protrusion 111a and the corresponding hook protrusion 121a of the inner support 110 as described above. Combined by

A socket 130 is connected to a lower portion of the external support 120, and is electrically connected to the driving circuit 140.

In addition, the external support 120 has a heat dissipation hole 123 formed in the upper portion of the socket 130 so that the high temperature heat staying inside the LED 13 and the like, the low temperature air outside the LED 13, etc. It will act as a cooling.

Meanwhile, as shown in FIGS. 5 and 6, in the canopy type LED, which is a second modification example of the LED according to the present invention, the housing 20 is

The mounting portion 11 in which the PCB 11 of the LED module 10 is placed therein, and the engaging portion 23 in the form of a locking jaw is formed on the inner wall thereof so that the corresponding coupling portion 31 of the lens 30 is formed. Is inserted to couple the housing 20 and the lens 30.

And the first heat dissipation means 40 is provided on the outside of the housing 20, the first heat dissipation means 40 is a heat dissipation projection 41 is formed in a plurality of groups (群),

The heat dissipation protrusions 41 forming another group are provided in plural to enlarge the heat dissipation area, so that heat generated in the LED module 10 is transferred to each heat dissipation protrusion 41 through the housing 20 to be discharged to the outside. do.

Furthermore, the upper portion of the housing 20 is provided with a combination 210 to prevent separation and separation of the lens 30 coupled to the housing 20,

A settling hole is formed in the assembly 210 to prevent the lens 30 from being separated and detached after the lens 30 is coupled to the housing 20 by pressing and supporting the lens 30 around the settling hole.

And the outer side of the housing 20 is provided with a fastening portion 24 having a fastening hole protruding in a radial shape, the threaded formation,

The coupling 210 has a corresponding fastening portion 211 corresponding to the fastening portion 24 of the housing 20 and having a through hole formed therein.

The fastening part 24 of the housing 20 and the corresponding fastening part 211 of the assembly 210 are fastened and fastened by fastening bolts.

As described above, each housing 20 of the LED lamp 100 of the bulb type, which is the first modification such as the LED 13, and the like, the LED lamp 200 of the canopy type, which is the second modification, has a thermal conductivity. It consists of a metal housing 20 of excellent aluminum or similar material,

This has the advantage of maximizing the heat dissipation efficiency of the LED 13 and the like with the ceramic BC of the LED module 10 to obtain the durability of the product, thereby resulting in economic cost savings.

In addition, it is preferable that the lens 30 applied to each of the modifications introduces a lens made of a plastic material or a glass material or a diffusion lens for diffusing light emitted from the LED module 10.

7 to 11 as follows, the second heat dissipation means 50 for further doubling the heat dissipation efficiency in the LED and the like excellent heat dissipation according to the present invention, and fixing means for coupling the LED and the like to the external structure or installation (60) will be described in detail.

In the LED and the like excellent heat dissipation according to the invention the second heat dissipation means 50 is

The double-sided adhesive tape 27 for heat dissipation is attached to the lower surface of the housing 20,

An attachment portion 51 adhered to one surface of the double-sided contact tape 27, a plurality of heat dissipation fins 53 connected to the attachment portion 51 and arranged vertically, and connected to both sides of each of the heat dissipation fins 53. It comprises a heat dissipation piece (55) arranged mutually staggered.

In addition, the fixing means 60 in the LED or the like excellent heat dissipation according to the present invention is

The heat dissipation fins 53 arranged at the center of the heat dissipation fins 53 are further provided with fixing parts 54.

Further comprising a support member 61 having a corresponding fixing groove (61a) corresponding to the fixing portion 54, and a fixing pin (63) for coupling the corresponding fixing groove (61a) and the fixing portion 54, The fixing part 54 is formed of a rhombus-shaped fixing groove 54a, and the fixing pin 63 has a head portion 63a and an elastic portion 63b that is elastic and is inserted into the fixing groove 54a. ), And a joint portion 63c connecting the head portion 63a and the elastic portion 63b.

As shown in the figure, the second heat dissipation means 50 according to the present invention includes a contact portion 51, a heat dissipation fin 53, and a heat dissipation piece 55.

The upper surface of the attachment portion 51 and the lower surface portion of the housing 20 are contacted and attached by a double-sided adhesive tape 27 having heat dissipation performance,

Alternatively, although not shown in the accompanying drawings, it is also possible to fix the attachment portion and the lower surface of the housing by bolts.

In addition, a plurality of heat dissipation fins 53 protrude vertically on the rear surface of the attachment part 51.

At least one end, that is, the end of the heat dissipation fin 53 located at the center portion, the second heat dissipation means 50 is fixed to the support member 61, such as a ceiling tile, a fixed panel, or a case surrounding the LED lighting fixture ( Fixing means 60 for fixing with 63 is formed.

The fixing means 60 and the fixing pin 63 is applicable to a variety of, the present invention is one of them as shown in Figure 7 fixing means 60 is formed at both ends of the fixing wall along the heat dissipation fin (53) ( 54b) was used to form a fixed portion 54 of the form, the fixing pin 63 was used a general bolt.

The fixing part 54 is formed long in the longitudinal direction at the end of the heat dissipation fin 53, the width of the fixing groove 54a is formed as a fixing pin 63 slightly shorter than the diameter of the bolt, the support member 61 The bolt passing through is forcibly fitted into the fixing groove 54a to be coupled with the screw to fix the second heat dissipation means 50 to the support member 61.

And the fixing means 60 shown in Figure 11 is formed with a diamond-shaped fixing groove 54a of shorter length while going up and down from the center,

The fixing pin 63 has a head portion 63a, an elastic portion 63b that is elastically inserted into the fixing groove 54a and then restored and fastened to the fixing groove, and the head portion 63a. ) And a joint portion 63c connecting the elastic portion 63b,

The supporting member 61 is connected to the corresponding fixing groove 61a into which the fixing pin 63 is inserted, the corresponding fixing groove 61a, and a part of the head portion 63a of the fixing pin 63 is seated. A seating groove 62b to be fixed is formed.

 The fixing pin 63 has elasticity and is restored after the elastic portion 63b is inserted into the corresponding fixing groove 61a of the support member 61 by interference fit, and then again into the fixing groove 54a. After insertion, the restoration is fixed and fastened.

The heat dissipation fins 53 are formed to protrude vertically from the rear of the contact portion 51,

The plurality of heat dissipation fins 53 may protrude in parallel to each other from one side of the rear side of the contact portion 51 to the other end as shown in the drawing, and the plurality of heat dissipation fins 53 are parallel to each other, but a plurality of the heat dissipation fins 53 from one side to the other side of the contact portion 51 are intermittently intermittent. The heat dissipation fins 53 may be formed to protrude, or the heat dissipation fins 53 may be mixed with each other in parallel with each other without being in contact with each other.

The projecting structure of the heat dissipation fins 53 may be various as described above. The second heat dissipation means 50 is produced by one extrusion process, and the air introduced to one side of the heat dissipation fins 53 is quickly passed to the other side to be discharged. In order to increase the heat dissipation efficiency, it may be desirable for the plurality of heat dissipation fins 53 to protrude in parallel to each other from one side of the rear side to the other end of the contact portion 51 as shown in the drawing.

The heat dissipation piece 55 is formed to project a plurality of vertically on both sides of each heat dissipation fin 53,

The heat dissipation piece 55 further increases the contact area with the air together with the heat dissipation fins 53 to quickly release heat dissipated from the LED module 10 to the outside.

In addition, although the surface of the heat dissipation piece 55 may be flat as shown in FIG. 8, it may be desirable to increase the contact area with the outside air by forming the interview extension part 55a on the surface as shown in FIG. 10. .

In addition, although the heat dissipation pieces 55 protruding from one surface and the other surface of the heat dissipation fins 53 may protrude at the same position as shown in FIG. 8, it may be preferable to protrude from each other as shown in FIG. 9.

That is, the heat dissipation pieces 30 on both sides facing each other are formed to protrude from two heat dissipation fins 53 facing each other, and the alternate arrangement of the heat dissipation pieces 55 is one side of the heat dissipation fins 53. Air flowing into the outflow to the other side is allowed to swing while passing between the heat radiation piece (55).

In other words, the introduced air quickly flows out from one side of the heat dissipation fin 53 in the other direction, and is escaped by shaking up and down like a vortex, and repeatedly on the front and rear surfaces of the heat dissipation piece 55 in the process of being shaken up and down. Bump into the heat of the heat dissipation piece 55 is taken away more.

The second heat dissipation means 50 according to the present invention having such a structure is perpendicular to both surfaces of the heat dissipation fin 53 in addition to the plurality of heat dissipation fins 53 protruding perpendicularly to the rear of the contact portion 51 (that is, to the contact portion 51). And a plurality of heat dissipation pieces 55 protruded horizontally, and the heat dissipation piece 55 is provided with an interview extension part 55a, so that the contact area with air is equal in the second heat dissipation means 50 of the same volume. Increase the maximum heat dissipation efficiency,

The heat dissipation pieces 55 facing each other are alternately arranged so that air flowing from one side of the heat dissipation fins 53 and flowing out to the other side flows quickly while being shaken out and flows out to further increase heat dissipation efficiency.

In addition, by simplifying the structure can be produced in one extrusion process, it is excellent in productivity and economic efficiency.

In the above description of the LED and the like excellent heat dissipation of the present invention with reference to the accompanying drawings, the present invention has been described with a particular shape and direction, the present invention can be variously modified and changed by those skilled in the art, such variations and modifications of the present invention It should be interpreted as being included in the scope of rights.

1 to 4 is a perspective view, a cross-sectional view and a bottom view showing a light bulb type LED and the like according to the present invention,

5 and 6 are a perspective view and a cross-sectional view showing the LED of the canopy type according to the present invention,

7 to 11 is a perspective view and a cross-sectional view showing a second heat dissipation means and fixing means such as an LED according to the present invention.

<Explanation of Signs of Major Parts of Drawings>

10: LED module 11: PCB

13: LED

20: housing 21: mounting portion

21a: screw hole 23: coupling portion

23a: coupling groove 24: fastening portion

25: accommodating part 27: double-sided adhesive tape

30 lens 31 correspondence coupling part

31a: jamming jaw

40: first heat dissipation means 41: heat dissipation projection

43: heat dissipation slit 43a: heat dissipation groove

50: second heat dissipation means 51: attachment portion

53: heat radiation fin 54: fixing part

54a: fixing groove 54b: fixing wall

55: heat dissipation piece 55a: interview extension part

60: fixing means 61: support member

61a: corresponding fixing groove 63: fixing pin

63a: head portion 63b: elastic portion

63c: seam

100: bulb type 110: inner support

111: connecting portion 111a: hook projection

113: vent hole 115: through hole

117: support groove

120: external support 121: corresponding connection

121a: corresponding hook protrusion 123: heat dissipation hole

130: socket

200: canopy type 210: binder

211: corresponding coupling groove

Claims (4)

An LED module including an LED and a PC on which the LED is mounted; A housing having a mounting portion and a coupling portion for the LED module; A lens having a corresponding coupling portion corresponding to the coupling portion of the housing; And A first heat dissipation means surrounding the housing; The PC is a ceramic PC, The housing is characterized in that the metal housing, The double-sided adhesive tape for heat dissipation is attached to the lower surface of the housing, An attachment part adhered to one surface of the double-sided contact tape; A plurality of heat dissipation fins connected to the attachment part and arranged vertically; LEDs having excellent heat dissipation characteristics, characterized in that the second heat dissipation means connected to both sides of each of the heat dissipation fins, the second heat dissipation means including the heat dissipation pieces alternately arranged. delete The method of claim 1, The radiating fins arranged in the center of the radiating fins is further provided with a fixed portion, A support member having a corresponding fixing groove corresponding to the fixing portion; Fixing means further comprising a fixing pin for coupling the corresponding fixing groove and the fixing portion, The fixing part is made of a rhombus-shaped fixing groove, The fixing pin is an LED having excellent heat dissipation, characterized in that it comprises a head portion, an elastic portion having elasticity and fitted into the fixing groove, and a joint portion connecting the head portion and the elastic portion. The method according to claim 1 or 3, The first heat dissipation means is an LED having excellent heat dissipation, characterized in that the heat dissipation projection forming a plurality of groups or a plurality of heat dissipation slits.

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