KR20100005008U - LED lamp having open type heatsink - Google Patents

LED lamp having open type heatsink Download PDF

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Publication number
KR20100005008U
KR20100005008U KR2020080014813U KR20080014813U KR20100005008U KR 20100005008 U KR20100005008 U KR 20100005008U KR 2020080014813 U KR2020080014813 U KR 2020080014813U KR 20080014813 U KR20080014813 U KR 20080014813U KR 20100005008 U KR20100005008 U KR 20100005008U
Authority
KR
South Korea
Prior art keywords
led
heat
portion
heat sink
formed
Prior art date
Application number
KR2020080014813U
Other languages
Korean (ko)
Inventor
이해종
Original Assignee
(주)룩센터
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)룩센터 filed Critical (주)룩센터
Priority to KR2020080014813U priority Critical patent/KR20100005008U/en
Publication of KR20100005008U publication Critical patent/KR20100005008U/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/70Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/85Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
    • F21V29/89Metals
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00Refractors for light sources
    • F21V5/04Refractors for light sources of lens shape

Abstract

The present invention relates to an LED lamp having an open heat dissipation structure, and in particular, a heat radiator made of a thermally conductive metal material is coupled to an upper portion of a socket portion, and a substrate having an LED is installed inside an upper end of a heat radiator, wherein the heat radiator is at an upper end thereof. A plurality of LED mounting portions are formed radially from the center to the outer edge portion so that a plurality of vent holes penetrating from the upper side to the lower side of the heat sink between the LED mounting portion is formed on both sides of the LED mounting portion As air flows, it is characterized in that the heat radiation efficiency can be improved.
According to the present invention, a plurality of vents are formed on the top of the heat sink to which the LED is mounted, so that heat generated from the LED can be efficiently radiated without forming a separate heat sink fin on the heat sink, and the By installing the heat conduction ring surrounding the side part on the board, the heat conduction ring is in direct contact with the heat sink to further improve heat dissipation efficiency, and since the heat dissipation fins do not need to be formed on the heat sink, the overall structure of the heat sink is simplified to improve the productivity of the product. You can expect the effect to improve.
Open heat dissipation structure, board, heat sink, LED mounting part, ventilator, LED,

Description

LED lamp having open heat dissipation structure {LED lamp having open type heatsink}

The present invention relates to an LED lamp having an open heat dissipation structure, and in particular, to provide a heat dissipation structure of an LED lamp having a simple heat dissipation structure and excellent heat dissipation efficiency, and to improve the product productivity by simplifying the overall structure. An LED lamp having an open heat dissipation structure.

6 shows a conventional LED lamp,

It consists of a heat sink 61 made up of a plurality of heat dissipation fins for dissipating heat generated from the LED between the socket portion 60 and the light source mounting portion 62 in which the LED is installed.

Conventional LED lamps are coupled to a separate light source mounting portion 62 on the upper portion of the heat sink 61, and mounted on the light source mounting portion 62 a substrate with a plurality of LEDs, the light source mounting portion 62 is installed ) Is equipped with glass to protect the LED from external shocks.

Since the LED emits a lot of heat during operation, and the LED does not function properly due to thermal shock when a certain temperature or more is exceeded, the heat sink 61 necessarily radiates heat generated from the LED to the outside and the socket 60. It must be installed between the light source mounting portions 62.

However, in the related art, since the LED is installed in the enclosed space of the light source mounting portion 62, the air flow cannot be made smoothly, and therefore, a number of heat dissipation fins must be protruded from the heat sink 61. There was this.

Therefore, the present invention for solving the above problems is to allow a plurality of vents to be formed on the top of the heat sink to which the LED is mounted so that the heat generated from the LED can be efficiently radiated without forming a separate heat sink fins. It is an object of the present invention to provide an LED lamp having an open type heat dissipation structure.

The present invention for achieving the above object,

A heat radiator made of a thermally conductive metal material is coupled to the upper portion of the socket part, and the substrate on which the LED is mounted is installed inside the upper end of the heat radiator.

The radiator has a plurality of LED mounting portion is formed radially from the center toward the outer edge portion from the center of the radiator so that a plurality of vent holes penetrating from the upper side to the lower side of the radiator between the LED mounting portion is formed Air flows to both sides of the mounted LED mounting portion is characterized in that the heat radiation efficiency can be improved.

According to the present invention, it is possible to efficiently heat the heat generated from the LED without forming a separate heat radiation fin on the heat sink by forming a plurality of vents on the top of the heat sink to which the LED is mounted, and also, LED By installing a heat conduction ring on the side of the substrate on the substrate, the heat conduction ring is in direct contact with the heat sink to further improve heat dissipation efficiency. Since the heat dissipation fins do not need to be formed on the heat sink, the overall structure of the heat sink is simplified and the productivity of the product is improved. You can expect the effect to improve the.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, FIGS. 1 to 5.

The terms defined in describing the present invention are defined in consideration of functions in the present invention, and should not be understood as a meaning of limiting technical components of the present invention.

According to the drawings, the subject innovation is composed of the socket portion 1, the substrate 2, the heat sink 3, the lens member 4 roughly.

The socket part 1 forms a lower structure of the LED lamp, which is screwed into the socket of the luminaire and connected to a power source. The socket part 1 has a terminal 11 formed at the bottom thereof, and the socket part 1 In the upper part of the () is formed an extension 12 having a wider diameter.

As shown in FIG. 1, a plurality of coupling bars 13 protrude upward from the extension part 12, and the coupling jaw 14 having coupling holes 15 is provided at an upper end of the coupling table 13. ) Is formed.

The coupling jaw 14 is screwed with the coupling boss 42 of the lens member 4 to be rearranged to improve the coupling force of the overall LED lamp.

The substrate 2 is inserted into and installed in the substrate insertion hole 36 formed upward from the lower side of the radiator 3. In the present invention, the substrate 2 is shaped like a star, and the substrate The outer side of the (2) is provided with a light-emitting LED 21, a separate heat conducting ring 22 is provided on the substrate 2 to surround the side of the LED (21).

The heat conductive ring 22 is in direct contact with the heat sink 3 and has a function of efficiently transferring heat generated from the LED 21 to the heat sink 3.

The radiator 3 is made of a metal material having excellent thermal conductivity, and is provided to be in close contact with the upper part of the extension part 12 of the socket part 1.

The radiator 3 has a substrate insertion hole 36 for inserting the substrate 2 therein, and the upper part of the radiator 3 has a star-shaped LED mounting part inside the ring-shaped edge 31. 32 is formed, the LED mounting portion 23 is a plurality of LED mounting portion 32 is formed radially from the center of the heat sink 3 toward the outer edge portion 31, the LED mounting portion 32 The air flows to both sides of the LED mounting portion 32 on which the LED 21 is mounted by forming a plurality of vent holes 5 penetrating from the upper side to the lower side of the heat sink 3 by the airflow, thereby improving heat dissipation efficiency. Be sure to

The LED mounting parts 32 have an LED mounting hole 33 formed thereon to allow the LED 21 to be inserted and exposed to the upper portion, and the protrusion 34 having a predetermined height is formed at the edge of the LED mounting hole 33. Projected portion of the heat sink 3, the heat generated from the LED 21 is rapidly generated by the heat conduction ring 22 as the protrusion 34 of the heat sink 3 and the heat conduction ring 22 are in contact with each other. It is delivered to (34) to allow heat dissipation.

The outer side of the LED mounting portion 32 is formed with a coupling groove 35 is communicated downward along the side portion of the heat sink (3).

On the other hand, the lens member 4 is to be in close contact with the upper surface of the LED mounting portion 32 of the heat sink 3 to diffuse the light of the LED 21,

The lens member 4 is composed of a plurality of lens blades 41 corresponding to the LED mounting portion 32, as shown in the drawing, the lens wing 41, the lens 43 for diffusing the light of the LED 21 ) Is formed in the form of a convex lens, and is formed by forming a stepped groove 44 having a larger diameter than the protrusion 34 in the lower portion of the lens 43, and between the protrusion 34 and the stepped groove 44. It is to be waterproof through the sealing O-ring (45).

In addition, the lens blade 41 of the lens member 4, the bottom surface portion of the coupling groove 35 is inserted into the upper side of the coupling jaw 14 formed on the upper end of the coupling table 13 is in close contact with the screw The coupling boss 42 is formed.

Referring to the operation and effects of the present invention configured as described above are as follows.

First, the assembly process

As shown in FIG. 1, the radiator 3 is coupled to the upper side of the socket part 1, but the star-shaped substrate is mounted with the LED 21 through the substrate insertion hole 36 of the radiator 3. (2) is inserted so that the LED 21 is inserted into the LED mounting hole 33 of the LED mounting portion 32 formed on the upper portion of the heat sink 3 so as to be exposed to the outside, in this state the socket portion (1) The coupling stand 13 is fitted into the coupling groove 35 formed in the longitudinal direction on the outer side of the heat sink 3 so that the heat sink 3 is coupled to the upper side of the socket portion (1).

And, coupled to the lens member 4 for diffusing the light of the LED 21 on the upper portion of the heat sink 3, a plurality of lens blades 41 provided in the lens member 4, each LED mounting portion While being in close contact with the 32, the engaging boss 42 projecting downward on the bottom of the end of the lens blade 41 is fitted into the engaging groove 35 so as to abut against the engaging jaw 14 of the engaging table 13 as a screw. By combining the coupling boss 42 and the coupling jaw 14, the coupling of the entire LED lamp is completed.

When the lens member 4 is coupled in close contact with the upper surface of the heat sink 3, the O-ring 45 is inserted between the protrusion 34 and the step groove 44 as shown in FIG. Will be done.

A feature of the present invention is a plurality of LED mounting portion 32 is formed radially so as to face toward the outer ring-shaped edge portion 31 in the center of the heat sink (3) between each of the LED mounting portion 32 As described above, since a plurality of vent holes 5 penetrating the upper and lower portions of the heat sink 3 are formed, the efficiency of dissipating heat generated from the LED 21 is significantly improved compared to the conventional art.

In other words, the LED 21 is installed in each of the LED mounting portion 32, the heat generated from the LED 21 is transferred to each LED mounting portion 32 as it is, both sides of each LED mounting portion 32 Since the air flows very smoothly to each of the vent holes 5 formed in the heat sink, the heat generated from the LED 12 can be dissipated very quickly. Thus, the LED lamp of the present invention includes a heat sink (3). ) Do not have to form a separate heat sink fins.

1 is an exploded perspective view showing an LED lamp having an open heat dissipation structure of the present invention.

Figure 2 is a bottom perspective view showing a heat sink applied to the present invention.

Figure 3 is a perspective view showing an LED lamp having an open heat dissipation structure of the present invention.

Figure 4 is a sectional view showing the LED lamp of the present invention.

5 is a partial cross-sectional view showing the main portion of the present invention.

6 is a view showing a conventional LED lamp.

Explanation of symbols for main parts of the drawings

1: socket portion, 2: substrate,

3: radiator, 4: lens member,

5: ventilator, 11: terminal,

12: bulge, 13: coupling,

14: coupling jaw, 21: LED,

22: heat conduction ring, 31: rim,

32: LED mounting portion, 33: LED mounting hole,

34: projection, 36: substrate insertion hole,

41: lens wing, 42: coupling boss,

43: lens, 45: O-ring,

Claims (4)

  1. The heat sink 3 made of a thermally conductive metal material is coupled to the upper portion of the socket part 1, and the substrate 2 on which the LED 21 is mounted is installed inside the upper end of the heat sink 3,
    The radiator 3 has a plurality of LED mounting portion 32 is formed radially from the center toward the outer edge portion 31 from the center of the radiator 3 between the LED mounting portion 32 of the radiator 3 Open air dissipation, characterized in that the air flows to both sides of the LED mounting portion 32 in which the LED 21 is mounted so that a plurality of vent holes (5) penetrating from the upper side to the lower side to improve the heat dissipation efficiency LED lamp with structure.
  2. The method of claim 1,
    The LED mounting parts 32 have an LED mounting hole 33 formed thereon to allow the LED 21 to be inserted and exposed to the upper portion, and the protrusion 34 having a predetermined height is formed at the edge of the LED mounting hole 33. Protruding into the substrate insertion hole 36 formed in the heat sink 3 and installed in the LED mounting portion 32, the heat conduction ring surrounding the side surface of the LED 21. 22) LED lamp having an open heat dissipation structure, characterized in that the projecting portion 34 and the heat conduction ring (22) of the heat sink (3) is installed in contact.
  3. According to claim 1, wherein the lens member 4 having a plurality of lens blades 41 corresponding to the LED mounting portion 32 on the upper side of the LED mounting portion 32 of the heat dissipator 3 is in close contact with each other, the lens In the wing 41, a lens 43 for diffusing light of the LED 21 is formed in the form of a convex lens, and a stepped groove 44 having a diameter larger than that of the protrusion 34 is formed in the lower portion of the lens 43. , LED lamp having an open heat dissipation structure, characterized in that the sealing O-ring 45 is interposed between the protrusion 34 and the step groove 44.
  4. According to claim 1, Outside the respective LED mounting portion 32 is formed along the side portion of the heat dissipating member 3 along the side of the coupling groove 35 is formed, the upper end portion 12 of the socket portion (1) The upper side of the coupling groove 35 is inserted into the engaging base 13 provided with a coupling jaw 14 at the upper end of the engaging groove 35, the lens blade 41 of the lens member 4, the bottom portion of the The LED lamp having an open heat dissipation structure, characterized in that formed into the upper side of the coupling groove 35 is in close contact with the coupling jaw (14) to form a coupling boss (42) coupled by a screw.
KR2020080014813U 2008-11-06 2008-11-06 LED lamp having open type heatsink KR20100005008U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020080014813U KR20100005008U (en) 2008-11-06 2008-11-06 LED lamp having open type heatsink

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020080014813U KR20100005008U (en) 2008-11-06 2008-11-06 LED lamp having open type heatsink

Publications (1)

Publication Number Publication Date
KR20100005008U true KR20100005008U (en) 2010-05-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR2020080014813U KR20100005008U (en) 2008-11-06 2008-11-06 LED lamp having open type heatsink

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101055743B1 (en) * 2010-06-23 2011-08-11 엘지전자 주식회사 Lighting device
CN103185242A (en) * 2012-01-02 2013-07-03 光宝科技股份有限公司 LED tube light
KR101370920B1 (en) * 2010-06-23 2014-03-07 엘지전자 주식회사 Lighting Device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101055743B1 (en) * 2010-06-23 2011-08-11 엘지전자 주식회사 Lighting device
US8042969B2 (en) 2010-06-23 2011-10-25 Lg Electronics Inc. Lighting device and method of assembling the same
KR101370920B1 (en) * 2010-06-23 2014-03-07 엘지전자 주식회사 Lighting Device
CN103185242A (en) * 2012-01-02 2013-07-03 光宝科技股份有限公司 LED tube light

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