KR20090029967A - Air-cooled led lighting apparatus - Google Patents

Air-cooled led lighting apparatus Download PDF

Info

Publication number
KR20090029967A
KR20090029967A KR1020070095182A KR20070095182A KR20090029967A KR 20090029967 A KR20090029967 A KR 20090029967A KR 1020070095182 A KR1020070095182 A KR 1020070095182A KR 20070095182 A KR20070095182 A KR 20070095182A KR 20090029967 A KR20090029967 A KR 20090029967A
Authority
KR
South Korea
Prior art keywords
chamber
pcb
air
air flow
led lighting
Prior art date
Application number
KR1020070095182A
Other languages
Korean (ko)
Inventor
서경식
정종춘
Original Assignee
주식회사 엔씨비네트웍스
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 주식회사 엔씨비네트웍스 filed Critical 주식회사 엔씨비네트웍스
Priority to KR1020070095182A priority Critical patent/KR20090029967A/en
Publication of KR20090029967A publication Critical patent/KR20090029967A/en

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

By mounting the LEDs separately on the PCB, forming an airflow hole in the PCB, and by mounting one or more fans in the housing defining the PCB on which the LED is mounted, the high temperature heat generated by the LED is forced through the airflow hole. An air-cooled LED lighting device is disclosed which can be discharged to suppress the temperature rise around the LED. In the LED lighting apparatus according to the present invention, the first chamber and the second chamber are formed in the upper and lower portions by the diaphragm while dividing the inside up and down, and a plurality of air inlet holes are formed in the first chamber, and at one side of the second chamber. A housing in which one or more blowing fans are mounted, and the diaphragm has a plurality of guide holes connecting the first chamber and the second chamber; And an illumination module having a plurality of LEDs disposed in the first chamber and having a plurality of airflow holes formed therein, and a plurality of LEDs spaced apart from each other at predetermined intervals on an upper surface of the PCB.

Description

Air-cooled LED lighting device {AIR-COOLED LED LIGHTING APPARATUS}

The present invention relates to an air-cooled LED lighting device, and more particularly to mounting a light emitting diode (LED) on a printed circuit board (PCB) and forming an air flow hole on the PCB, the LED is mounted PCB By mounting at least one fan (FAN) in the housing defining a, it relates to an air-cooled LED lighting device that can suppress the temperature rise around the LED by forcibly discharging the high temperature heat generated from the LED through the air flow hole .

In general, LEDs have advantages such as high lifespan, low power consumption, eco-friendliness, and thinning, and are used as lighting devices in various industrial fields.

These LEDs generate heat when they are driven and the light efficiency of the LEDs depends on the temperature. Conventional LEDs have a higher light output at a lower temperature when the light output is 100% at a constant temperature, for example, 45 ° C. As the temperature increases, light output decreases. Therefore, it is necessary to effectively dissipate the heat generated by the LED to extend the life of the LED.

Recently, various methods have been provided to dissipate heat generated by LEDs. For example, a heat sink is mounted adjacent to a PCB on which the LED is mounted, or a heat exchange medium is separately provided at the bottom of the PCB. The situation is equipped with a water jacket.

However, a conventional LED lighting device equipped with a heat sink cannot dissipate heat in a short time, so it is difficult to expect a sufficient cooling effect, and an LED lighting device equipped with a water jacket is a separate device for circulating heat exchange media. Since a device is needed, not only the manufacturing cost of the lighting device is increased, but also the weight of the lighting device itself is increased, so that it cannot be applied to various industrial fields.

The present invention has been made to solve the conventional problems as described above, an object of the present invention is to mount the LED on the PCB spaced apart, and to form an air flow hole in the PCB, the housing defining the PCB mounted LED By providing one or more fans in the air, it is to provide an air-cooled LED lighting device that can suppress the temperature rise around the LED by forcibly discharging the high temperature heat generated from the LED through the air flow hole.

In order to achieve the object of the present invention as described above, the present invention,

In the LED lighting device,

The first chamber and the second chamber are formed in the upper and lower portions by the diaphragm while dividing the inside up and down, a plurality of air inlet holes are formed in the first chamber, and at least one blower fan is mounted at one side of the second chamber, The diaphragm has a housing formed with a plurality of guide holes connecting the first chamber and the second chamber; And

The present invention provides an air-cooled LED lighting device including a PCB disposed in a first chamber and having a plurality of LEDs having a plurality of airflow holes formed thereon, and a plurality of LEDs spaced apart from each other at predetermined intervals on an upper surface of the PCB.

On the upper surface of the first chamber, a conventional diffuser plate made of an opaque material is mounted, and the air inlet is formed on either side or both sides of the first chamber.

In addition, the lower part of the PCB is provided with a plurality of PCB mounting blocks for mounting the PCB coupled to the first chamber, the PCB mounting block is mounted at a predetermined interval along the PCB, and the lower part of the PCB mounting block is It is seated in the first chamber to be spaced apart from the top, the mounting blades are formed to protrude on both sides of the PCB mounting block, the mounting groove is formed on the inner surface of the first chamber is inserted.

On the upper surface of the PCB mount block, an air flow groove communicating with the air flow hole is formed to settle to the lower side on the upper surface of the PCB mount block.

As described above, according to the present invention, an air-cooled LED lighting apparatus is mounted on a housing having a first chamber in which air inlets are formed and a second chamber in which a blowing fan is mounted, and a PCB and a PCB seated in the first chamber. By providing a lighting module having a plurality of LEDs, the stagnation in the first chamber can be easily discharged to the outside of the housing by driving the blower fan by driving the LED, thereby suppressing the temperature rise around the LED. There is an advantage that can extend the service life of the LED.

Hereinafter, an air-cooled LED lighting apparatus according to a preferred embodiment of the present invention with reference to the accompanying drawings.

1 is a perspective view showing an air-cooled LED lighting apparatus according to the present invention.

1, the air-cooled LED lighting device 100 according to the present invention includes a housing 110 and an illumination module 130 disposed in the housing 110.

First, the housing 110 has a hollow housing shape. The housing 110 has a first chamber 114 formed at an upper portion thereof and a second chamber 116 formed at a lower portion thereof by a horizontal diaphragm 112 dividing the inside up and down. The diaphragm 112 is formed with a plurality of guide holes 118 connecting the first chamber 114 and the second chamber 116.

A conventional diffuser plate 120 is mounted on the upper surface of the first chamber 114, and a plurality of air inlet holes 122 are formed on one side or both sides of the first chamber 114 to receive external air. do. The diffusion plate 120 is preferably made of an opaque material.

In addition, at least one blower fan 124 is mounted on one side of the second chamber 116. Air in the second chamber 116 of the blower fan 124 is forcibly discharged to the outside of the second chamber 116.

 The lighting module 130 is disposed in the first chamber 114 of the housing 110 formed as described above.

FIG. 2 is a cross-sectional view taken along the line A-A of FIG. 1, and FIG. 3 is a view showing the lower portion of the PCB shown in FIG.

2 and 3, the lighting module 130 includes a plurality of LEDs 134 coupled to the PCB 132, and a lower portion of the PCB 132 spaced apart at a predetermined interval L from the upper surface of the PCB 132. It includes a plurality of PCB mount blocks 136 that seat the PCB 132 coupled to the plurality of LEDs 134 in the first chamber 114.

As can be seen by the PCB 132, a conductive pattern (not shown) for operating the combined LED 134 is formed. A plurality of air flow holes 138 are formed in the PCB 132 so as not to interfere with the conductive pattern. Preferably, the air flow hole 138 is formed to face the lower portion of the LED (134).

On the other hand, the plurality of PCB mount blocks 136 are mounted on the lower surface of the PCB 132 at predetermined intervals along the PCB 132, the PCB mount block 136 has a lower portion of the diaphragm 112 It is seated in the first chamber 114 spaced apart from the top. To this end, mounting wings 140 are formed to protrude on both sides of the PCB mount block 136, and mounting grooves 142 are formed on the inner surface of the first chamber 114 to insert the mounting wings 140. .

In addition, an air flow groove 144 communicating with the air flow hole 138 is formed on the top surface of the PCB mount block 136. The air flow groove 144 is formed to settle to the lower side on the upper surface of the PCB mount block 136. The air flow groove 144 formed as described above connects the air flow hole 138 and the guide hole 118 formed in the diaphragm 112.

Hereinafter, the air-cooled LED lighting device 100 formed as described above will be briefly described.

Figure 4 is a view showing the air flow of the air-cooled LED lighting apparatus according to the present invention.

When the air-cooled LED lighting device 100 according to the present invention is operated, hot heat is generated by the LED 134 driven inside the first chamber 114 and the generated heat is stagnated in the first chamber 114. do. The blower fan 124 operates to discharge the hot heat stagnated in the first chamber 114.

As described above, when the blower fan 124 is operated, cool air is introduced into the air inlet hole 122, and the heat in the first chamber 114 is separated by the gap L between the LED 134 and the PCB 132. ) Through the air flow hole 138 to the air flow groove 144, the heat guided to the air flow groove 144 passes through the guide hole 118 formed in the diaphragm 122 to the second chamber ( 116). The heat guided into the second chamber 116 is forcibly discharged to the outside of the housing 110 through the blower fan 124. As such, the hot air in the first chamber 114 is discharged to the outside of the housing 110 by the operation of the blower fan 124, and the cool air outside the housing 110 is introduced into the first chamber 114. (See Figure 4).

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art can variously modify and change the present invention without departing from the spirit and scope of the invention described in the claims. You will understand.

1 is a perspective view showing an air-cooled LED lighting apparatus according to the present invention,

2 is a cross-sectional view taken along the line A-A of FIG. 1,

3 is a view showing the lower portion of the PCB shown in Figure 2, and

Figure 4 is a view showing the air flow of the air-cooled LED lighting apparatus according to the present invention.

Explanation of symbols on the main parts of the drawing

100: air-cooled LED lighting device 110: housing

112: plate 114: first chamber

116: second chamber 118: guide hole

120: diffusion plate 122: air inlet hole

124: blower fan 130: lighting module

132: PCB 134: LED

136: PCB mount module 138: air flow ball

140: seating wing 142: seating groove

144: airflow groove

Claims (5)

In the LED lighting device, The first chamber and the second chamber are formed in the upper and lower portions by the diaphragm while dividing the inside up and down, and a plurality of air inlet holes are formed in the first chamber, and at least one blower fan is mounted at one side of the second chamber. A housing having a plurality of guide holes connecting the first chamber and the second chamber to the diaphragm; And An air-cooled LED comprising a lighting module having a plurality of LEDs disposed in the first chamber and having a plurality of air flow holes formed thereon, and a plurality of LEDs spaced apart from each other at predetermined intervals on an upper surface of the PCB. Lighting equipment. The method of claim 1, wherein the diffusion plate made of an opaque material is mounted on the upper surface of the first chamber, and the air inlet is formed on any one side or both sides of the first chamber. Air Cooled LED Lighting. The PCB of claim 1, wherein a lower portion of the PCB includes a plurality of PCB mount blocks for seating the PCB to which the LED is coupled in the first chamber, wherein the PCB mount blocks maintain a predetermined distance along the PCB. A lower portion of the PCB mount block is mounted in the first chamber so as to be spaced apart from an upper portion of the diaphragm, and seating wings are formed to protrude from both sides of the PCB mount block, and the seat is mounted on the inner surface of the first chamber. Air-cooled LED lighting device characterized in that the seating groove is formed is inserted wing. The air flow groove of claim 3, wherein an air flow groove communicating with the air flow hole is formed on the top surface of the PCB mount block so as to settle downward on the top surface of the PCB mount block, and the air flow groove is the air flow hole and the guide. Air-cooled LED lighting device, characterized in that connecting the ball. The air-cooled LED lighting device according to any one of claims 1 to 4, wherein the air flow hole is formed to face a lower portion of the LED.
KR1020070095182A 2007-09-19 2007-09-19 Air-cooled led lighting apparatus KR20090029967A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070095182A KR20090029967A (en) 2007-09-19 2007-09-19 Air-cooled led lighting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070095182A KR20090029967A (en) 2007-09-19 2007-09-19 Air-cooled led lighting apparatus

Publications (1)

Publication Number Publication Date
KR20090029967A true KR20090029967A (en) 2009-03-24

Family

ID=40696442

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070095182A KR20090029967A (en) 2007-09-19 2007-09-19 Air-cooled led lighting apparatus

Country Status (1)

Country Link
KR (1) KR20090029967A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101006400B1 (en) * 2009-04-17 2011-01-10 (주)이지스테크 Illumination apparatus having a temperature maintenance part
KR20110013330A (en) * 2009-07-31 2011-02-09 칼 짜이스 레이저 옵틱스 게엠베하 Optical arrangement in an optical system, in particular an illumination system
CN103712193A (en) * 2013-12-31 2014-04-09 苏州承腾电子科技有限公司 Cooling fan device for LED streetlamp
WO2016021761A1 (en) * 2014-08-07 2016-02-11 홍성남 Heat dissipation structure for led bulb using circuit pattern line
KR20160023407A (en) * 2014-08-22 2016-03-03 주은유브이텍 주식회사 Front air-cooled led light source device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101006400B1 (en) * 2009-04-17 2011-01-10 (주)이지스테크 Illumination apparatus having a temperature maintenance part
KR20110013330A (en) * 2009-07-31 2011-02-09 칼 짜이스 레이저 옵틱스 게엠베하 Optical arrangement in an optical system, in particular an illumination system
CN103712193A (en) * 2013-12-31 2014-04-09 苏州承腾电子科技有限公司 Cooling fan device for LED streetlamp
WO2016021761A1 (en) * 2014-08-07 2016-02-11 홍성남 Heat dissipation structure for led bulb using circuit pattern line
KR20160023407A (en) * 2014-08-22 2016-03-03 주은유브이텍 주식회사 Front air-cooled led light source device

Similar Documents

Publication Publication Date Title
EP1647766B1 (en) Light emitting device package and back light unit for liquid crystal display using the same
US8029169B2 (en) LED illumination device
JP5469168B2 (en) Cooling device for cooling semiconductor dies
CN101315178B (en) Cooling apparatus
US7758214B2 (en) LED lamp
CN102341649B (en) With the lighting device of at least one radiator
US9521777B2 (en) Cooling system for electronic components and led lamp having the same
US20070070630A1 (en) High efficiency, compact, modular forced air cooling system for high intensity LED light source
US20100328949A1 (en) Illumination device
KR20090029967A (en) Air-cooled led lighting apparatus
KR101645154B1 (en) Led lighting apparatus for tunnel
KR100939531B1 (en) An apparatus for radiating heat of led lamp
US20100328950A1 (en) Illumination device
JP2018092755A (en) Radiation device
KR101663176B1 (en) High temperature led lighting apparatus
KR101305571B1 (en) LED light projector
JP2013229123A (en) Forced cooling-type led lighting device
JP5384991B2 (en) Water-cooled LED lighting device
WO2013145812A1 (en) Led lighting device
JP6042619B2 (en) Heat sink and lighting device including the same
KR20200084114A (en) Apparatus for radiating heat of led lamp
CN101221302B (en) Backlight module
KR100972778B1 (en) Led lamp with cooling modul
KR101693823B1 (en) Heat dissipation kit and lighting apparatus having the same
CN117013359A (en) Laser light source heat abstractor

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application