KR101772650B1 - A street lighting - Google Patents

A street lighting Download PDF

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Publication number
KR101772650B1
KR101772650B1 KR1020100066145A KR20100066145A KR101772650B1 KR 101772650 B1 KR101772650 B1 KR 101772650B1 KR 1020100066145 A KR1020100066145 A KR 1020100066145A KR 20100066145 A KR20100066145 A KR 20100066145A KR 101772650 B1 KR101772650 B1 KR 101772650B1
Authority
KR
South Korea
Prior art keywords
heat
flat
body portion
cable
contact
Prior art date
Application number
KR1020100066145A
Other languages
Korean (ko)
Other versions
KR20120005624A (en
Inventor
김한결
김광수
공경일
Original Assignee
엘지이노텍 주식회사
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 엘지이노텍 주식회사 filed Critical 엘지이노텍 주식회사
Priority to KR1020100066145A priority Critical patent/KR101772650B1/en
Priority to EP10187961.7A priority patent/EP2405184B1/en
Priority to US12/915,782 priority patent/US8235550B2/en
Priority to CN201010568564.7A priority patent/CN102313194B/en
Publication of KR20120005624A publication Critical patent/KR20120005624A/en
Priority to US13/545,561 priority patent/US8579469B2/en
Application granted granted Critical
Publication of KR101772650B1 publication Critical patent/KR101772650B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • 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]

Abstract

An embodiment of the present invention relates to a streetlight.
A streetlight according to an embodiment of the present invention includes a ridge fastener comprising a body portion including a flat surface and a flat portion extending from the one surface, the ridge fastener being formed of a material having thermal conductivity; And a contact portion having an upper surface and a lower surface and having a flat surface in surface contact with one surface of the body portion and a lower surface of the flat portion; And an LED module including a substrate disposed on the lower surface and a plurality of LEDs arranged on the substrate, wherein the contact portion has at least one drain hole.

Description

{A STREET LIGHTING}

The present invention relates to a streetlight.

Street lamps or streets are installed at night, on dark roads or sidewalks, to secure the visibility of drivers and pedestrians to prevent accidents and crimes.

The present invention provides a streetlight capable of improving the heat radiation function by dispersing heat conducted to a heat radiator.

In addition, the present invention provides a streetlight in which a backlight mechanism and a louver fastening member can be easily fastened.

A streetlight according to an embodiment includes a ridge fastener including a body portion including a flat surface and a flat portion extending from the one surface, the ridge fastener being formed of a material having thermal conductivity; A heat dissipation member including an upper surface and a lower surface and including a contact portion in surface contact with the one surface and the flat portion; And an LED module including a substrate disposed on the lower surface and a plurality of LEDs arranged on the substrate.
Here, the contact portion may have at least one drain hole.
Here, the contact portion may have a seating groove for receiving the flat portion.
Here, the flat portion and the contact portion may be fixed through fixing means.
The body portion may be semi-cylindrical, and may further include a heat radiating bracket surrounding the body portion and fastened to the flat portion.
The heat radiator cover may further include an extension portion covering the body portion and the flat portion.
The heat radiating body further includes a plurality of radiating fins extending upward from the upper surface, and the cover has a plurality of radiating openings corresponding to the plurality of radiating fins .
The body portion may have a semi-cylindrical shape, the body portion may have an opening through which the cable is disposed, and the body portion may include a cable locker disposed in the opening to prevent movement and damage of the cable.
Here, the heat discharging body may have a penetrating portion penetrating the upper surface and the lower surface, and the heat discharging body may include a cable locker for preventing movement and damage of the cable disposed in the penetrating portion.

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The use of the street lamp according to the present invention has an advantage that the heat conducted to the heat radiator can be dispersed.

In addition, there is an advantage in that the fastening of the back mechanism and the rim fastener can be facilitated.

1 is a perspective view of a streetlight according to an embodiment of the present invention,
Fig. 2 is a side view of a backlight and a rim fastener in the streetlight shown in Fig. 1,
Fig. 3 and Fig. 4 are exploded perspective views showing the backlight mechanism and the rim fastener in the streetlight shown in Fig. 1,
5 is an enlarged perspective view of a portion where a heat dissipating member of a back mechanism 100 is fastened to a bracket fastener.

The foregoing and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, in which: There will be. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a perspective view of a streetlight according to an embodiment of the present invention, and Fig. 2 is a side view of only a backlight mechanism 100 and a canopy fastener 200 in the streetlight shown in Fig.

Referring to FIGS. 1 and 2, a streetlight according to an embodiment of the present invention includes a backlight mechanism 100, a light fixture 200, and a streetlight lamp 300.

When the LED is included as a light source, the LED is supplied with power from a power source unit (not shown) included in the underground lamp 300, And emits light in the A3 direction. A specific backlight mechanism 100 will be described later with reference to the drawings.

One end of the ridge fastener 200 is fastened to the back mechanism 100 to support the back mechanism 100 and the other end of the ridge fastener 200 is fastened to a connecting portion (not shown) 200. As shown in Fig. 2, the ridge fastening tool 200 has a semicylindrical shape and is bent at a substantially right angle, and the hollow is hollow. A cable (not shown) for transmitting power from the power supply unit (not shown) included in the backlight 300 to the backlight unit 100 is installed in the inside of the light fixture 200.

The lower end of the street lamp 300 is fixed to the ground and extends over the ground. And the upper end is fastened to one side of the ridge fastener 200 to support the ridge fastener 200.

Figs. 3 and 4 are exploded perspective views of the backlight 100 shown in Fig. 1, particularly the backlight mechanism 100 and the eyepiece fastener 200. Fig. And Figure 3 is from below, and Figure 4 is from above.

3 and 4, the back mechanism 100 includes a heat radiator cover 110, a heat radiator 120, a heat radiating pad 130, an LED module 140, a connector guide 150, a cover glass 160 A packing 170, and a cover glass bracket 180.

The heat radiating member cover 110 covers the upper surface 123a of the heat radiating member 120 and the contact portion 125. The radiator cover 110 has a radiating opening 111 formed at a position corresponding to the radiating fin 121.

Further, the radiator cover 110 has an extension 113. The extension part 113 is fastened to the contact part 125 of the heat dissipator 120 and the connection parts 210 and 230 of the fastener coupling part 200 are inserted between the extension part 113 and the contact part 125. Therefore, the back mechanism 100 can be fixedly mounted on the washer fastener 200 by the extension part 113 and the contact part 125. [

A plurality of LED modules 140 are mounted on the heat discharging body 120 to receive heat from the plurality of LED modules 140 to dissipate heat. The heat sink 120 includes a top surface 123a to which a plurality of heat dissipating fins 121 extending in the outward direction are connected, a bottom surface 123b on which the plurality of LED modules 140 are mounted, and a contact portion 125 extending outward .

The heat dissipation pad 130 may be installed between the surface contact portion 123b-1 of the heat dissipator 120 and the LED module 140. [ When the heat radiating pad 130 is installed, the heat generated in the LED module 140 can be efficiently transferred to the heat sink 120.

The LED module 140 includes a flat PCB substrate 141 and a plurality of LEDs 143 arranged on one side of the PCB substrate 141. The other surface of the PCB substrate 141 is in contact with the lower surface 123b of the heat discharging body 120. Here, as described above, the heat radiation pad 130 may be installed between the other surface of the PCB substrate 141 and the lower surface 123b of the heat discharging body 120.

The connector guide 150 is installed on the lower surface 123b of the heat discharging body 120 on which the LED module 140 is mounted to prevent the LED module 140 from being separated from the lower surface 123b of the heat emitting body 120 . The connector guide 150 has a rectangular frame shape. Here, the lower surface 123b of the heat discharging body 120 preferably has a groove into which the connector guide 150 can be inserted and fixed.

The cover glass 160 has a flat plate shape and is spaced apart from the LED module 140 mounted on the lower surface 123b of the heat discharging body 120 by a predetermined distance. Specifically, the cover glass 160 may be mounted on the cover glass bracket 180 and installed under the LED module 140 mounted on the lower surface 123b of the heat discharging body 120.

The cover glass 160 is optically coupled to the LED module 140 such that light emitted from the LED 143 of the LED module 140 is emitted to the outside. That is, the light of the LED 143 incident on the cover glass 160 is diffused or condensed. Here, the cover glass 160 may serve to pass the light.

The packing 170 is fitted and fixed to the lower surface 123b of the heat discharging body 120 and the packing groove formed in the cover glass bracket 180. The packing 170 is made of a rubber or a silicone material and serves to prevent the fluid from entering the LED module 140 as an electronic device. That is, the packing 170 prevents the fluid flowing on the lower surface 123b from the upper surface 123a of the heat discharging body 120 from approaching the LED module 140.

The cover glass bracket 180 is installed so as to cover the lower surface 123b of the heat discharging body 120 and has a frame shape with an opening at the center. A groove for receiving the cover glass 160 is formed at the center, and a groove for accommodating the packing 170 is formed at the outer side.

The connectors 210 and 230 of the ridge fastener 200 will be described in detail with reference to FIGS. 3 to 5. Here, FIG. 5 is an enlarged perspective view of a portion where the heat sink 120 of the back mechanism 100 is fastened to the rectangular fastener 200.

3 to 5, the connection portions 210 and 230 of the canopy coupling portion 200 include a flat portion 210 and a body portion 230. [ Here, the flat portion 210 and the body portion 230 are preferably made of a thermally conductive material for receiving heat from the heat discharging body 120. For example, aluminum or iron.

The flat portion 210 extends outward from the outer surface of the body portion 230, in particular, from the curved surface. The flat portion 210 constitutes one flat surface together with the flat surface of the body portion 230. The flat surfaces of the flat portion 210 and the body portion 230 are fitted into the seating groove 125-1 of the contact portion 125 of the heat discharging body 120 to be aligned with the bottom surface of the seating groove 125-1 Surface contact.

The body portion 230 has a hollow semicylindrical shape and provides a path of a cable (not shown) for transmitting power to the LED module 140. The body portion 230 has a cable opening 235 through which a cable (not shown) passes on one side. Here, the cable opening 235 may be provided with a first cable locker 270 that prevents movement and damage of a cable (not shown). The second cable locker 275 having the same function as that of the first cable locker 270 can be installed in the penetrating portion 127 passing through the upper surface 123a and the lower surface 123b of the heat discharging body 120. [

The contact portion 125 of the heat discharging body 120 is in surface contact with the flat surface of the flat portion 210 of the ridge fastener 200 and the flat surface of the body portion 230. The contact portion 125 of the heat dissipator 120 has a seating portion 125-1 for receiving the flat portion 210 and the flat surface of the body portion 230. [ The flat surface of the flat portion 210 and the body portion 230 is inserted into the seating groove 125-1 so that the flat surface of the flat portion 210 and the body portion 230 are flush with the heat dissipating member 120 (Not shown).

The contact portion 125 of the heat discharging body 120 preferably has a drain hole 125-3. When the flat surface of the flat portion 210 of the ridge fastener 200 and the flat surface of the body portion 230 are in surface contact with the contact portion 125 of the heat discharging body 120, To discharge the fluid generated by the temperature difference. It is preferable that the abutting portion 125 of the heat discharging body 120 has the drain hole 125-3 because the corrosion of the heat discharging body 120 or the isotropic fastening 200 can easily occur.

The contact portion 125 of the heat dissipating member 120 is fastened to the flat portion 210 of the isometric fastener 200 through a fixing means (e.g., a screw or the like) (Not shown).

The heat discharging body 120 is connected to the LED module 140 through the surface contact between the contact portion 125 of the heat discharging body 120 and the flat portion 210 and the body portion 230 of the receptacle fastener 200 A part of the heat of the heat exchanger 200 can be transmitted to the washer fastener 200. This is advantageous in that heat that needs to be radiated from the heat discharging body 120 itself can be dispersed to the isotropic fastening member 200. The heat discharging body 120 is connected to the shoulder fastener 200 through the surface contact between the contact portion 125 of the heat discharging body 120 and the flat portion 210 and the body portion 230 of the receptacle fastener 200 There is an advantage that it can be fixedly installed and supported.

The heat discharging body bracket 250 may be installed between the extension portion 113 of the heat discharging body cover 110 and the body portion 230 of the case fastening opening 200. The heat radiator bracket 250 surrounds the curved surface of the body portion 230 and has a structure in which both sides can be fastened to the flat portion 210 by fastening means. When the heat radiator bracket 250 is added, the heat radiator 120 can be more firmly fixed to the ridge fastener 200.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. The present invention is not limited to the drawings.

100: back instrument
110: Heatsink cover
120: Heat sink
130: heat-radiating pad
140: LED module
150: Connector guide
160: cover glass
170: Packing
180: Cover glass bracket
200:
300: Street light

Claims (9)

A ridge fastener comprising a body portion including a flat surface and a flat portion extending from the one surface, the ridge fastener being formed of a material having thermal conductivity;
And a contact portion having an upper surface and a lower surface and having a flat surface in surface contact with one surface of the body portion and a lower surface of the flat portion; And
And an LED module including a substrate arranged on the lower surface and a plurality of LEDs arranged on the substrate,
Wherein the contact portion has at least one drain hole. delete The method according to claim 1,
And the contact portion has a seating groove for receiving the flat portion. The method according to claim 1,
Wherein the flat portion and the contact portion are fixed through fixing means. The method according to claim 1,
The body portion is semi-cylindrical,
And a heat radiator bracket surrounding the body portion and fastened to the flat portion. The method according to claim 1,
Further comprising a radiator cover disposed on the upper surface,
Wherein the heat radiator cover includes an extension portion covering the body portion and the flat portion. The method according to claim 1,
Further comprising a radiator cover disposed on the upper surface,
Wherein the heat dissipator includes a plurality of heat dissipation fins extending upward from the upper surface,
And the cover has a plurality of heat dissipation openings corresponding to the plurality of heat dissipation fins. The method according to claim 1,
The body portion is semi-cylindrical,
The body portion having an opening through which the cable is disposed,
Wherein the body portion includes a cable locker disposed in the opening to prevent movement and damage of the cable. The method according to claim 1,
Wherein the heat discharging body has a penetrating portion penetrating the upper surface and the lower surface,
Wherein the heat discharging body includes a cable locker for preventing movement and damage of the cable disposed in the penetrating portion.
KR1020100066145A 2010-07-07 2010-07-09 A street lighting KR101772650B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1020100066145A KR101772650B1 (en) 2010-07-09 2010-07-09 A street lighting
EP10187961.7A EP2405184B1 (en) 2010-07-07 2010-10-18 Street lamp
US12/915,782 US8235550B2 (en) 2010-07-07 2010-10-29 Street lamp
CN201010568564.7A CN102313194B (en) 2010-07-07 2010-11-29 Street lamp
US13/545,561 US8579469B2 (en) 2010-07-07 2012-07-10 Street lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100066145A KR101772650B1 (en) 2010-07-09 2010-07-09 A street lighting

Publications (2)

Publication Number Publication Date
KR20120005624A KR20120005624A (en) 2012-01-17
KR101772650B1 true KR101772650B1 (en) 2017-08-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100066145A KR101772650B1 (en) 2010-07-07 2010-07-09 A street lighting

Country Status (1)

Country Link
KR (1) KR101772650B1 (en)

Also Published As

Publication number Publication date
KR20120005624A (en) 2012-01-17

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