KR101239836B1 - Led illumination device equipped with air cooling type heat sink - Google Patents

Abstract

PURPOSE: An LED lighting device including an air cooling type heat radiation member is provided to improve cooling performance by inducing circulation convection current through an air passage. CONSTITUTION: A heat radiation body(30) comprises a plurality of insertion parts formed in a radial shape. A heat pipe comprises a contact part inserted into the insertion part of the heat radiation body. The heat pipe is combined while contacting the inside of the heat radiation body. A heat radiation member comprises an air passage(S). The air passage is formed inside a combination body of the heat pipe and the heat radiation body.

Description

LED lighting device with air-cooled heat dissipation means {LEED ILLUMINATION DEVICE EQUIPPED WITH AIR COOLING TYPE HEAT SINK}

The present invention relates to an LED lighting apparatus having an air-cooled heat dissipation means, and more particularly, includes a heat dissipation means composed of an LED light source, a reflection shade surrounding the light source, and a heat sink, a heat pipe, and an air communication path.

That is, in the present invention, the heat pipe is in contact with the inner surface of the heat sink to which the light source constituting the heat dissipation means can improve heat dissipation efficiency, and an air communication path is provided inside the contact portion of the heat sink and the heat pipe. By circulating convection of the air through the communication path is characterized in that the heat radiation and cooling performance can be improved.

LED is the next generation lighting that has been attracting attention recently because of its small size, light weight, low heat generation, reflection configuration, high-speed response characteristics, pulse operation capability, and light output control characteristics by electric current. It is being researched as a headlamp for automobiles and is replacing existing incandescent lamps and mercury lamps.

In high-luminance lighting devices, such as floodlights using LEDs, it is essential to ensure heat dissipation in order to ensure and maintain the brightness and semi-permanent life characteristics of the LEDs.

Conventional LED lighting devices include Patent Publication No. 10-2011-0120475 (published November 04, 2011) [LED Floodlight],

The patent discloses the use of LED lamps instead of the existing HQI lamps to significantly improve the overall efficiency,

Carbon nanotubes were deposited on the heatsink to quickly dissipate the heat generated from the LEDs, and by using a ceramic lens to focus the lens light and adjust the irradiation angle in the desired direction, improving the illuminance and anion It suggests a floodlight that can be generated.

In addition, there is a Patent Publication No. 10-2011-0093590 (published August 18, 2011) [LED lighting device],

The patent discloses an LED module including an LED substrate provided with a plurality of LED elements; A main reflection plate having a lateral shape of an horn of an upper and lower ends thereof, the reflecting surface reflecting light of the LED elements formed on an inner surface thereof, and the LED module being installed in an upper opening thereof; An LED lighting device including an auxiliary reflector having a horn shape having a reflecting surface formed on an outer surface thereof and having a vertex pointed directly below the LED module inside the main reflector toward the LED module is provided.

Furthermore, there is a Patent Publication No. 10-2011-0119234 (published November 02, 2011) [LED floodlight module and floodlight using the same],

The patent discloses a LED light emitting module, the base portion for absorbing and emitting heat generated from the LED; A plurality of through holes penetrating the base portion; And a heat pipe installed in the plurality of through holes to conduct heat absorbed from the base to the outside. Therefore, it is possible to effectively dissipate the heat generated by the driving of the LED can prevent the degradation of the performance of the LED, can extend the life, and has the advantage that can only replace the malfunctioning LED.

However, the above-mentioned conventional patents all have problems such as insufficient assembly ability and productivity, insufficient heat dissipation performance, or reduced purchasing power due to a cost increase of a lighting device due to a complicated structure, especially a heat dissipation structure.

In particular, high-brightness floodlights in which sports fields, outdoor performances, golf courses, port facilities, greenhouses, etc. are used in agriculture, are not required to be purchased and used in accordance with national legislation, and buyers must be competitive in terms of age and price. You choose LED floodlights, not lights.

Floodlights based on existing technologies do not meet these requirements.

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

The heat pipe is in contact with the inner surface of the heat sink to which the light source constituting the heat dissipation means can improve heat dissipation efficiency,

In addition, an air communication path is provided at the center of contact between the heat sink and the heat pipe, and the purpose of the present invention is to improve the heat dissipation and cooling performance by inducing a circulation convection of air through the air communication path.

In addition, the present invention has an insertion portion formed radially on the inside of the radiator, the contact portion of the heat pipe is inserted into the insertion portion in contact with the inner surface of the radiator to more efficiently discharge heat generated from the light source connected to the outside of the radiator. In addition, it is another object of the present invention that the coupling between the heat sink and the heat pipe can be facilitated to improve the assembly and productivity.

Furthermore, the present invention is provided with a heat sink in contact with the heat sink or the heat pipe, or both,

The heat sink is composed of a double body is coupled to the heat sink, the heat pipe is provided with a contact wing formed by bending the lower portion is arranged overlapping between each heat sink to maximize the heat dissipation performance by increasing the contact area between the heat pipe and the heat sink. It is another thing that can be done.

LED lighting device having an air-cooled heat dissipation means according to the present invention includes a light source consisting of a PC mounted LED; An inner reflection plate surrounding the outer body and the light source and forming a spaced space from the outer body; And a heat dissipation means including a heat dissipation member to which the light source is connected, a heat pipe in contact with the heat dissipation member, and an air communication path formed inside a contact portion of the heat dissipation member and the heat pipe.

In the heat dissipation means according to the invention the heat dissipation is further provided with an insertion portion formed radially on the inside,

The heat pipe is characterized in that the contact portion is fitted to each of the insertion portion.

The heat dissipation means according to the invention is characterized in that it further comprises a heat sink in contact with the heat sink or the heat pipe, or both, consisting of a double body.

The heat pipe according to the present invention is further provided with a contact wing formed by bending the lower portion,

LED contact device having an air-cooled heat radiating means, characterized in that the contact blades are arranged overlapping each of the heat sinks.

LED lighting device having an air-cooled heat dissipation means according to the present invention is the heat pipe is in contact with the inner surface of the heat sink to which the light source constituting the heat dissipation means can increase the heat dissipation efficiency,

In addition, an air communication path is provided inside the contact portion between the heat sink and the heat pipe, and the air circulation allows the circulation convection of air to be induced, thereby improving heat dissipation and cooling performance.

In addition, the present invention has an insertion portion formed radially on the inside of the radiator, the contact portion of the heat pipe is inserted into the insertion portion in contact with the inner surface of the radiator to more efficiently discharge heat generated from the light source connected to the outside of the radiator. In addition, the coupling between the heat sink and the heat pipe can be facilitated to improve the assembly and productivity.

Furthermore, the present invention is provided with a heat sink in contact with the heat sink or the heat pipe, or both,

The heat sink is composed of a double body is coupled to the heat sink, the heat pipe is provided with a contact wing formed by bending the lower portion is arranged overlapping between each heat sink to maximize the heat dissipation performance by increasing the contact area between the heat pipe and the heat sink. It becomes possible.

1 is a perspective view showing an LED lighting device having an air-cooled heat dissipation means according to the present invention;
2 is an exploded perspective view showing an LED lighting apparatus according to the present invention,
3 is a plan view showing a heat dissipation means of the LED lighting apparatus according to the present invention;
4 is a partial cutaway perspective view showing an LED lighting apparatus according to the present invention,
5 is a perspective view showing a reflector of the LED lighting apparatus according to the present invention,
6 is a cross-sectional view showing an implementation example of the LED lighting apparatus according to the present invention.

Hereinafter, with reference to the accompanying drawings an LED lighting device having an air-cooled heat dissipation means according to the present invention.

As shown in Figures 1 to 5 LED lighting device having an air-cooled heat dissipation means according to the present invention

A light source 10 composed of a PC 13 mounted with an LED 11; A reflection shade 20 including an outer body 20A and an inner reflection plate 20B surrounding the light source 10 and forming a spaced space from the outer body 20A; And a heat sink 30 to which the light source 10 is connected, a heat pipe 40 in contact with the heat sink 30, and a contact portion between the heat sink 30 and the heat pipe 40. It comprises a; heat dissipation means (HS) consisting of an air communication path (S) is formed.

As shown in Figures 2 and 4 the light source 10 according to the present invention

It consists of an LED 11 and a PCB 13 on which the LED 11 is mounted, and is connected to the outside of the heat sink 30 of the heat dissipation means HS.

The light source 10 is configured by mounting the LED 11 on the PC 13, and is basically configured in a columnar shape,

In the present invention, instead of securing a desired illuminance by utilizing a high-watt driving LED and a lens as in the prior art,

By using the two-stage bent reflector, the low-watt driving LED 11 and the two-stage bent reflection alone can realize the same or excellent high-illuminance lighting, for example, a light emitting LED lighting device.

In addition, the plurality of PCs 13, which are flat plates of the light source 10 and formed in a strip type, are bonded to the outer surface of the radiator 30 of the heat radiating means HS in the vertical direction to have a columnar shape as a whole.

The structure, shape, size, number, etc. of the LEDs 11 and PCB 13 may be variously changed.

As shown in FIGS. 1, 2, 4 and 5, the reflector 20 according to the present invention is

It is configured to surround the light source 10 to irradiate light to the outside through the refraction and reflection of the light emitted from the light source 10.

The reflection shade 20 is composed of an outer body 20A having a spaced space 26 and an inner reflection plate 20B so that the light source 10 is surrounded by the inner reflection plate 20B,

At this time, the internal reflection plate 20B is composed of a two-stage (and multi-stage) bent reflector as described above, so that even when a low-watt driving LED 11 is used, the high-watt driving LED 11 and the lens It is possible to implement the same or excellent high-illuminance lighting when using the.

In particular, as shown in FIGS. 4 and 5, the internal reflection plate 20B of the reflector 20 has a relatively steep inclined first bent portion 21 at the upper portion and a relatively gentle inclined second bent portion at a lower portion thereof. 22),

Each of the bent portions 21 and 22 is arranged in a polygonal shape rather than a smooth curved surface to enhance reflection characteristics.

In addition, the outer body 20A constitutes a smooth curved surface inside and outside,

If necessary, the heat dissipation fins 38 may be formed on the inside or the outside, or both of them to improve heat dissipation characteristics, and various materials may be selected for heat dissipation and light weight, for example, an aluminum material.

4 and 5, the outer body 20A and the inner reflecting plate 20B have a space 26 therebetween.

A heat circulation path is formed between the inner space 25 and the separation space 26 of the inner reflection plate 20B in which the light source 10 is arranged, thereby contributing to improving heat dissipation performance.

This is particularly the case when covering the reflection shade 20 with the window 61 constituting the cover 60 in order to prevent the inflow of foreign matters,

Temperature in the inner region of the reflection shade 20 provided with the light source 10 (space between the inner surface of the inner reflector and the outer surface of the heat sink 30 of the heat dissipation means HS, as shown in FIG. 4) In order to solve the problem of rising, to ensure the long life characteristics of the LED 11 illumination and to maintain the luminance quality for a long time.

In addition, the heat circulation passage is a passage connecting the space 26, the inner space 25, and the slot 24 of the reflector, and in the lower left side of FIG. A plurality of slots 24 can be identified.

The lower slot may be formed in various shapes and numbers,

For example, as shown in the lower right, third one-dot circle in FIG. 5 (substantially the third one-dot circle is a longitudinal cross-sectional view of the right portion of the reflector, substantially the fourth one-dot circle is a bottom observation perspective view),

The inner reflection plate 20B further has a third bent portion 23 at the lower end in addition to the first and second bent portions 21 and 22, so that the first, second and third bent portions 21 of the polygonal reflector plate are provided. One side surface 29 which connects (22) (23) is mutually isolate | separated in each 3rd bending part 23, and this separation part can be deformed in the form which comprises the lower slot 24a.

In addition, the cover 60 covering the reflection shade 20 is provided with a window 61 as described above, and the window 61 of the outer body 20A using a fastening means such as a band 63 and a clip. To the edges,

A through hole 61a is formed in the center of the window 61 of the cover 60 to prevent the window 61 from covering the air communication path S of the heat dissipation means HS.

At this time, the upper surface of the radiator 30 of the heat dissipation means (HS) is arranged on the lower surface of the window 61 around the through hole (61a), so that the binding ring (65) is fixed to fix the window (61) and the radiator (30). It is equipped

The radiator 30 of the heat radiating means (HS) is provided with a coupling portion 36 having a groove shape at an upper portion thereof, and the binding ring 65 has an inner portion corresponding to the coupling portion 36 of the radiator body 30. Coupling holes 65a are provided.

Therefore, after overlapping the coupling hole 65a of the binding ring 65 and the coupling portion 36 of the heat sink 30, the bolt 61 is fastened so that the window 61 and the heat sink ( 30) can be fixed.

In this case, a packing member (not shown) is provided between the lower surface of the binding ring 65 and the upper surface of the window 61, or between the lower surface of the window 61 and the upper surface of the heat sink 30.

Protect the light source 10 by preventing foreign substances such as water, moisture, dust, etc. from being introduced into the space inside the lighting, that is, between the inner surface of the inner reflection plate and the outer surface of the heat sink 30 of the heat dissipation means HS. It is desirable to be able to.

1 to 4, the heat dissipation means HS according to the present invention is

Consists of the radiator 30, the heat pipe 40 and the air communication path (S) to release the heat emitted from the light source 10 of the LED (11), induces a circulating convection of air to improve heat dissipation and cooling performance It is configured to be.

Heat dissipation means (HS) of one of the core technology of the present invention is a heat sink (30) to which the light source 10 is connected, a heat pipe (40) in contact with the heat sink 30, and the heat sink (30) ) And an air communication path S formed inside the contact portion of the heat pipe 40.

The radiator 30 of the heat radiating means (HS) is made of a cylindrical shape having a hollow (30a),

A plurality of protrusions 31 are formed on the outer side surface of the heat sink 30 in the longitudinal direction, and an adhesive surface 32 is formed between each of the protrusions 31 so that the PC 13 of the light source 10 is formed. Attached,

At this time, it is preferable that the adhesive used has heat resistance, such as soldering or thermal grease, so as to prevent thermal denaturation.

Then, after attaching the PCB 13 of the light source 10 to the contact surface of the heat sink 30 by an adhesive, the ring body 15 is mounted on the lower end of the PC 13 forming a column for stable fixing. It is also possible to implement the support structure and to further strengthen the support structure by soldering the PC 13 and the ring body 15 as necessary.

In this case, a power line is connected to the ring body 15, and a terminal part is provided at a lower end of the PC 13, which is a contact portion with the ring body 15, to electrically connect the ring body 15 and the light source 10 to supply power. It becomes possible.

In addition, a plurality of insertion portions 33 are radially formed inside the heat sink 30 to insert the heat pipe 40.

The inner surface of the insertion portion 33, that is, the inner surface of the heat sink 30 is formed in a planar shape and is in contact with one surface of the heat pipe 40 (outer surface of the heat pipe 40 based on the radius direction).

Therefore, the outer surface and the inner surface of the heat dissipator 30 is formed in a substantially polygonal shape by the inner surface of the adhesive surface 32 and the insertion portion 33.

In addition, the insertion part 33 is provided with an opening 34 opened inwardly so that the insertion part 33 and the air communication path S communicate with each other (radius) of the heat pipe 40 fitted to the insertion part 33. The inner surface of the heat pipe 40) is exposed to the air communication path S so as to be in contact with the cooling air based on the direction, thereby improving cooling performance.

In addition, the slit 35 is formed on the contact surface between the insertion part 33 and the heat pipe 40, and the adhesive is applied to the slit 35 to attach the heat pipe 40 to the heat sink 30. ,

Alternatively, when the heat pipe 40 is inserted into the insertion portion 33 in a shape that is forcibly inserted, the adhesive does not need to be used, so the slit 35 acts as the slit 35 for aeration to radiate the heat sink 30. It is also possible to impart a cooling function by communicating air between the inner surface of the heat pipe and the outer surface of the heat pipe 40.

In addition, coupling portions 36 are formed between the insertion portions 33 so that the upper coupling portion 36 couples the window 61 to the upper surface of the heat sink 30 by the binding ring 65 as described above. Become,

The lower coupling part 36 may couple the heat sink 50 to the bottom surface of the heat sink 30.

Furthermore, both sides of each coupling portion 36 are provided with heat dissipation protrusions 37 protruding inward, and each of the heat dissipation protrusions 37 is provided with heat dissipation fins 38 in both directions. It is possible to further improve the heat dissipation and cooling performance by widening the contact area with the circulating cooling air.

In this case, the heat dissipation fins 38 may be provided in each of the heat dissipation protrusions 37, and may also be configured in a continuous or segmented form.

The heat pipe 40 of the heat dissipation means (HS) according to the present invention is a flat plate, made of a strip type contact portion 41 to be fitted to each insertion portion 33 of the heat sink 30, and the contact portion 41 It consists of a contact wing portion 43 formed by bending the lower portion of the outward direction.

The contact portion 41 of the heat pipe 40 contacts the insertion part 33, that is, the inner surface of the heat sink 30, and views heat emitted from the light source 10 connected to the outer surface of the heat sink 30. By effectively dissipating, the heat dissipation efficiency can be maximized.

In this case, the contact portion 41 of the heat pipe 40 has an inner surface exposed to the air communication path S by the opening 34 of the heat dissipator 30 as described above. Cooling can be more effectively achieved by the circulating cooling air.

Furthermore, the heat dissipation means (HS) according to the present invention is further provided with a heat sink (50),

The heat sink 50 is composed of a double body, that is, the first heat sink (50A) located in the upper portion, and the second heat sink 50B located in the lower portion, each of the heat sinks 50 is an air communication path (S) A vent 51 is formed in the center to form.

The first fastening hole 52 corresponding to the coupling portion 36 of the heat sink 30 is formed around the vent hole 51 of each of the heat sinks 50, and the first of each of the heat sinks 50 is formed. The second fastening hole 53 is formed outside the fastening hole 52.

Therefore, a bolt is inserted into the first fastening hole 52 of each of the heat sinks 50 from the bottom to the upper part thereof to be fastened to the coupling part 36 of the heat sink 30 to heat sink 50 and the heat sink 30. ),

In this case, the first fastening hole 52 of the first heat sink 50A is formed in the protrusion 54 protruding inward, and the first fastening hole 52 of the second heat sink 50B is the vent hole. The protrusions 54 of the first heat sink 50A may be supported on the upper surface of the second heat sink 50B when the heat sink 30 and the heat sink 50 are fastened to each other. It is desirable to have a stable support structure.

In addition, when the heat dissipator 30 and the heat dissipation plate 50 are coupled to each other, the heat dissipation member 50 and the heat dissipation plate 50 are arranged to overlap the contact wing portions 43 of the heat pipe 40. The contact between the heat sink 50 is made.

At this time, the contact wing portion 43 of the heat pipe 40 is made of a flat plate shape,

In addition, the contact surfaces of the heat dissipation plate 50 and the contact wings 43 are also provided with a close contact portion 55 formed in a flat shape to increase the heat dissipation performance by widening the contact area between the heat pipe 40 and the heat dissipation plate 50. It can be improved more.

In addition, a plurality of vent holes 56 are formed between the close contact portions 55 of the heat sinks 50 to facilitate the circulation of air, and the vent holes 56 additionally provide a material to lose weight. This contributes to the reduction of weight and the weight of the device.

In the lighting apparatus according to the present invention, the heat radiator 30 constituting the heat radiating means HS, the heat pipe 40 and the heat sink 50 are in contact with each other to see the heat generated from the light source 10 of the LED 11. Will be released effectively

In particular, the heat dissipation means (HS) has an air communication path (S) is formed inside the contact surface of the heat dissipator 30, the heat pipe 40 and the heat dissipation plate 50 to improve the heat dissipation and cooling performance.

That is, the air communication path S is formed by the hollow 30a of the heat dissipator 30 and the vent holes 51 of the heat dissipation plates 50, and the heat dissipator 30 and the heat pipes which are in contact with each other. 40) and by being formed at the center of each heat sink 50 to induce a circulating convection of the cooling air to cool the interior of the lighting, it is possible to maximize the heat dissipation characteristics by discharging the high temperature heat.

Meanwhile, the reflection shade 20 is connected to the heat sink 50.

As shown in FIG. 5, the reflection shade 20 has a fourth bent portion 29 formed by bending the first bent portion inwardly,

Connection holes 29a are formed in the fourth bent portion 29 so as to correspond to the second fastening holes 53 of the respective heat sinks 50.

Therefore, after contacting the lower surface of the fourth bent portion 29 of the reflector 20 and the upper surface of the first heat dissipation plate 50A, the second coupling hole of the connection hole 29a and each of the heat dissipation plates 50 The bolt 53 is fastened from the top to the bottom to connect the reflector 20 to the heat sink 50.

In this case, a fixing ring 28 is provided on an upper surface of the fourth bent portion 29 of the reflection shade 20, and the fixing ring 28 has a connection hole 23a and a heat sink plate of the fourth bent portion 29. A through hole 28a corresponding to the second fastening hole 53 of 50 is formed, and is fastened by a bolt as described above, so that the heat sink 50 Reflector (20)  Support the bond.

In addition, a through hole is formed inside the fourth bent portion 29 of the reflection shade 20 to form an air communication path S, and a lower portion of the heat sink 30 penetrates the heat sink 50. The coupling of the heat sink 30 is made.

Meanwhile, as shown in FIGS. 1 to 4, a fixing bracket 70 is further provided to install the lighting device according to the present invention on a wall or a structure.

To this end, a pair of protruding connection portions 57 bent downwards are provided at the edges of the second heat sink 50B, and the fixing bracket 70 is coupled thereto.

The fixing bracket 70 is made of a substantially 'U' shape,

Insertion holes 71 are formed at both ends of the fixing bracket 70, and corresponding insertion holes 57a corresponding to the insertion holes 71 are formed at the protruding connecting portion 57 to form bolts and nuts B. The second heat sink 50B and the fixing bracket 70 are coupled to each other by fastening to the insertion hole 71 and the corresponding insertion hole 57a.

A plurality of mounting holes 73 are formed in the fixing bracket 70. The mounting holes 73 are formed in a circular shape and a long hole shape so that the installation position of the lighting is changed according to the structure or shape of the place where the lighting is installed. It is desirable to be able to adjust.

Furthermore, as shown in FIG. 6, the lighting apparatus according to the present invention may be implemented as a downlight and an uplight.

In this case, depending on the characteristics of the heat pipe 40, the structural characteristics of the heat pipe 40 in the upper and lower lights are different.

First, the heat pipe 40 is filled with a liquid in order to facilitate the conduction of heat, and the heat pipe 40 has a characteristic of dissipating heat through heat conduction due to the change of state of the liquid

Depending on the position of the heat absorbing portion of the heat pipe 40, the structural characteristics will be different.

That is, as shown in FIG. 6A, when the LED 11 light source 10 is positioned at an upper portion and the heating lamp is positioned at an upper portion thereof,

The heat absorbing portion of the heat pipe 40 should be located in the heat generating portion where the light source 10 is located,

Therefore, in the lighting apparatus according to the present invention, the contact wing portion 43 of the heat pipe 40 may be arranged at a position higher than the light source 10 to configure a cooling unit, thereby implementing heat conduction characteristics.

And as shown in (B) of Figure 6 LED 11 light source 10 is located in the lower portion of the heating lamp is located in the lower case

The heat absorbing portion of the heat pipe 40 should be located in the heat generating portion where the light source 10 is located,

Therefore, in the lighting apparatus according to the present invention, the contact portion 41 of the heat pipe 40 extends to a position higher than the light source 10 so as to form a cooling unit, and thus, it is necessary to implement thermal conductivity.

As a result, the heat pipe 40 according to the present invention can effectively exhibit the thermal conductivity of the heat pipe 40 when the lighting device is manufactured in a downlight or an uplight.

The heat pipe is composed of a contact portion 41 having a length longer than the height of the light source 10, and a contact wing portion 43 located above or below the light source 10 (see FIG. 6A). It is possible to maximize the heat dissipation efficiency by enabling the heat conduction characteristics of the heat pipe 40 to be irrespective of the downlight or the uplight.

In the above description of the LED lighting device having the air-cooled heat dissipation means 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 modifications and changes Should be construed as being included in the scope of the invention.

HS: Heat dissipation means S: Air communication path
B: Bolts (or Bolts and Nuts)
10: light source 11: LED
13: PCB 15: ring body
20: reflection shade 20A: external body
20B: internal reflection plate 21: first bent portion
22: second bending portion 23: third bending portion
24: slot 25: internal space
26: spaced apart 28: fixed ring
28a: through hole 29: fourth bent portion
29a: connector
30: radiator 31: projection
32: adhesive surface 33: insertion portion
34 opening 35 slit
36: coupling portion 37: heat dissipation projection
38: heat dissipation fin
40: heat pipe 41: contact portion
43: contact wing
50: heat sink 50A: first heat sink
50B: second heat sink 51: vent hole
52: first fastening hole 53: second fastening hole
54: protrusion 55: close contact
56 vent hole 57: protruding connection
57a: corresponding insertion hole
60: cover 61: Windows
61a: through-hole 63: band
65: binding ring 65a: coupling hole
70: fixing bracket 71: insertion hole
73: mounting hole

Claims (4)

A light source 10 configured of a PC on which an LED is mounted;
A reflection shade 20 including an outer body 20A and an inner reflection plate 20B surrounding the light source 10 and forming a space 26 with the outer body 20A; And
A heat dissipation body 30 having a light source 10 connected to an outer surface, and having a plurality of insertion portions 33 formed radially inside;
A heat pipe (40) having a contact portion (41) fitted into the insertion portion (33) of the heat sink (30), and being brought into contact with the inside of the heat sink (30);
Heat dissipation means (HS) having an air communication path (S) formed in the combination of the heat dissipator (30) and the heat pipe (40); Including but not limited to,

The radiator 30 has coupling portions 36 formed between the insertion portions 33, and radiating protrusions 37 protrude inwardly on both sides of the coupling portion 36, and the radiating protrusions are provided. 37 is further provided with a heat radiation fin 38 protruding in both directions,
The heat dissipation means is in contact with the heat dissipator 30 or the heat pipe 40, or both, and comprises a first heat dissipation plate 50A disposed at an upper portion and a second heat dissipation plate 50B disposed at a lower portion thereof ( 50) is made to include more
Each of the heat sinks 50 is formed with a first fastening hole 52 corresponding to the coupling portion 36 of the heat sink 30, and a first fastening hole 52 outside of each of the heat sinks 50. 2 fastening hole 53 is formed,
A bolt is inserted into the first fastening hole 52 of each of the heat dissipation plates 50 from the bottom to the upper part of the heat dissipation plate 50, and then fastened to the coupling part 36 of the heat dissipation element 30. Combine the
The heat pipe 40 is provided with a plurality of contact wings 43 made of a flat plate formed by bending the lower portion,
The heat dissipation plate 50 is formed with a plurality of contact portion 55 made of a flat shape,
LED contact device having an air-cooled heat dissipation means characterized in that the contact wings 43 are arranged in contact with each other overlapping contact between the heat dissipation plate (50).
The method of claim 1,
LED lighting device having an air-cooled heat dissipation means, characterized in that the vent hole 51 for forming the air communication path (S) is further formed in the center of each of the heat sinks (50).
The method of claim 2,
The first fastening hole 52 of the first heat sink 50A is formed in the protrusion 54 protruding inwardly,
The first fastening hole 52 of the second heat sink 50B is formed around the vent hole 51 so that when the heat sink 30 and each heat sink 50 are fastened,
LED lighting device having an air-cooled heat radiating means, characterized in that the projecting portion (54) of the first heat sink (50A) is supported on the upper surface of the second heat sink (50B) to have a stable support structure.
The method of claim 3, wherein
The heat dissipation plate 50 is a LED lighting device having an air-cooled heat dissipation means, characterized in that it is further provided with a plurality of vent holes 56 formed between the contact portion (55).

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