KR20140126553A - Street lamp having a plurality of light emitting diode unit module - Google Patents

Street lamp having a plurality of light emitting diode unit module Download PDF

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Publication number
KR20140126553A
KR20140126553A KR20130044875A KR20130044875A KR20140126553A KR 20140126553 A KR20140126553 A KR 20140126553A KR 20130044875 A KR20130044875 A KR 20130044875A KR 20130044875 A KR20130044875 A KR 20130044875A KR 20140126553 A KR20140126553 A KR 20140126553A
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KR
South Korea
Prior art keywords
led unit
unit module
led
coupled
light toward
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Application number
KR20130044875A
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Korean (ko)
Inventor
김우중
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김우중
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Priority to KR20130044875A priority Critical patent/KR20140126553A/en
Publication of KR20140126553A publication Critical patent/KR20140126553A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • 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
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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

The present invention provides a plurality of LED unit modules for illuminating light in a specific direction to improve the illuminance at the center and the periphery of the target floor such as a road map and to extend the service life of the streetlight by adopting a double heat- A main body housing coupled to the end of a strut on a road through a support rod inserted at one end thereof to house a plurality of LED unit modules; And a plurality of LED unit modules housed in the main housing and adapted to diffuse the LED light to the target surface, wherein the LED unit module includes a central LED unit module for emitting light toward a lower side of a target floor, A third LED unit module arranged side by side on one side of the module and diverging light toward the right side of the target floor; a third LED unit module arranged side by side on the other side of the central module and emitting light toward the left side of the target floor; A plurality of heat dissipation fins for emitting heat generated from the LED substrate to the outside are formed on an upper portion of the main frame of the LED unit module, The heat generated from the power supply device is supplied to the outside of the subframe on both sides of the subframe, A plurality of heat-radiating fins are formed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a street lamp having an LED unit module,

The present invention relates to an LED streetlight, and more particularly, to an LED streetlight device having a plurality of LED unit modules for irradiating light in a specific direction to improve the illuminance at the center and the periphery of a target floor, The present invention relates to a streetlight having an LED unit module capable of extending the service life of the streetlight by adopting the structure.

Generally, the streetlight is installed on the same pedestrian street as India, and it is installed about 25m to 35m apart at a height of about 10m along the length direction of the road for the safety of traffic, so that the view of the pedestrian or the driver It is a lighting facility that can be secured.

For example, as shown in FIG. 1, the streetlight includes a light-emitting lamp module 1 for building a column 1 on both sides of the road L in a substantially 'A' shape and emitting light to the ends of the column, 2) are combined to illuminate the roadway.

Meanwhile, since mercury lamps, halogen lamps, and sodium lamps are inserted into the light-emitting lamp modules of conventional street lamps, these lamps have a short life span as compared with the luminous efficiency and a large power consumption is used. Therefore, It is becoming increasingly replaced with LED (Light Emitting Diode) light source according to efficient usage policy.

Since the LED light source has a longer life, consumes less power, has excellent energy efficiency, and has a high-speed response characteristic as compared with a light source such as a conventional lamp, the lighting apparatus employing such an LED light source is suitable for a home, In addition, various kinds of street lights are being developed especially.

As an example, a conventional LED street light employing an LED light source is disclosed in Korean Patent Laid-Open No. 10-2009-0130472.

That is, as shown in FIG. 2, the streetlight 10 including the LED according to the related art has a space portion opened downward therein, and a power supply such as an SMPS (Switching Mode Power Supply) A body housing (12) having a socket (11) as a kind of device; A light source unit 13 for irradiating a plurality of power LEDs with power by a power source connected to the socket 11 as an internal space of the body housing 12; A heat dissipation unit 14 provided at an upper end of the body housing 12 to discharge heat of the light source unit 13; And a lid unit 15 covering the open space of the body housing 12 in which the light source unit 13 is installed and having a check pattern pattern therein to improve the straightness of light emitted from the light source unit 13 .

Korean Patent Laid-Open No. 10-2009-0130472 (name: street lamp equipped with power LED, applicant: Yoo Taek, publication date: December 24, 2009)

However, the conventional street light having the above-described LED illuminates the target ground surface in a fan shape through the light source unit composed of a single LED module, and only a street light located at a height of about 10 m from the ground shines brightly, The illuminance becomes weaker as it goes downward, so that there is a problem that it can not provide a satisfactory illuminance to the center of the object surface such as the road and the road surface as well as the side surface.

That is, the conventional LED street lamp has a problem that the center of the target floor is comparatively bright due to the straightness of the LED light source, but the average roughness of the sides does not reach the reference value, .

In addition, since the conventional street light including the LED covers the heat generated from the power LED and the socket as the power supply through the single heat dissipation unit, the LED and the socket However, there is a problem that the life of the streetlight itself is shortened.

In addition, when the streetlight including the conventional LED as described above is exposed to the outside to be vulnerable to rain, snow, and dust, and when a failure occurs in the socket, the light source unit, and the heat radiation unit, There is a problem to be replaced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide an LED unit module for illuminating light to four sides of a center, And to provide a streetlight including an LED unit module capable of uniformly dispersing and diffusing light in all directions so as to uniformly illuminate a target ground.

Another object of the present invention is to provide a LED module having a plurality of heat radiating fins on an upper surface of a main frame of a LED unit module to dissipate heat generated from the LED substrate, A heat dissipation structure for dissipating heat generated from the power supply device is provided by providing the heat dissipation fins to the LEDs and the power supply unit as well as the LED unit module that can extend the life of the LED unit module, .

It is a further object of the present invention to provide a light emitting diode (LED) module, in which four sets of LED unit modules are preferably connected to a main body housing by a bolt coupling method, and even if damage or failure occurs in a power supply device such as an LED substrate and an SMPS The present invention provides a street lamp having an LED unit module that can easily separate and assemble the LED unit module and is easy to maintain and repair.

These and other objects of the present invention will be apparent to those skilled in the art without departing from the scope of the present invention by the appended claims.

In order to accomplish the above object, a street light including the LED unit module according to the present invention includes a plurality of LED unit modules 200 coupled through a support rod 110, A main body housing (100); And a plurality of LED unit modules (200) accommodated in the main body housing (100) and diffusing the LED light to the target surface, wherein the LED unit module (200) comprises a central A third LED unit module 203 arranged side by side on one side of the central unit module 201 and emitting light toward the right side of the target floor; And a fourth LED unit module 205 that emits light toward the left side of the target floor, thereby uniformly diffusing the LED light on all sides of the target floor.

Preferably, the central LED unit module 201 includes a first LED unit module 201a that emits light toward the lower right side of the target floor, a second LED unit module 201b that emits light toward the lower left side of the target floor, The first LED unit module 201a may emit light toward the right side with respect to the center of the lower side, but may emit light toward the right side of the third LED unit module 201, And the second LED unit module 201b irradiates the light toward the left direction with respect to the center of the lower side of the fourth LED unit module 201 but does not reflect light toward the left direction of the fourth LED unit module 205 And the inclination angle is gentler than the diverging inclined surface.

More preferably, the LED unit module 200 has an LED substrate 220 and an LED protective cover 230 mounted thereon, and a plurality of heat dissipation fins 230, which emit heat generated from the LED substrate 220, A main frame 210 in which a power supply device 201 is formed and a power supply device 201 which is mounted inside the main frame 210 so as to be slidable on the main frame 210, And a subframe 240 having a plurality of radiating fins 241 formed on both outer surfaces thereof to be discharged to the outside.

According to the streetlight including the LED unit module according to the present invention, a plurality of LED unit modules for illuminating light to the four sides of the center and left and right sides of the ground such as a roadway are provided in the main body housing, It is possible to uniformly improve the illuminance of the target surface.

According to the present invention, a plurality of radiating fins are provided on a rear surface of a main frame of the LED unit module to dissipate heat generated from the LED substrate, and a plurality of sub-frames including a power supply device such as an SMPS By adopting the dual heat dissipating structure that radiates heat generated from the power supply device by providing the heat dissipation fins, it is possible to greatly extend the lifetime of the LED unit module constituting the street light as well as the LED and the power supply device.

In addition, according to the present invention, preferably, four sets of LED unit modules are preferably coupled to the main body housing by a bolt connection method, and even if damage or failure occurs in a power supply device such as an LED substrate and an SMPS, Can be easily separated and assembled, and the street lamp can be easily maintained and repaired.

Additional features and advantages of the present invention will become more apparent from the following description.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a use state of a street lamp which is usually used; Fig.
2 is a view showing a configuration of a streetlight including a conventional LED.
3 is a photograph showing an assembled state of the street light including the LED unit module according to the present invention.
4 is an exploded perspective view of a street light having an LED unit module according to the present invention viewed from above;
FIG. 5 is an exploded perspective view of the streetlight of FIG. 4 viewed from the lower side; FIG.
6 is an exploded perspective view of a LED unit module applied to a streetlight according to the present invention.
7 is a combined cross-sectional photograph of a main frame and a subframe of an LED unit module according to the present invention.
8 and 9 are photographs of the LED unit module according to the present invention viewed from above and below.
10 is a photograph showing the rear surface of the LED unit module housing case mounted on the housing case according to the present invention.
11 is a graph showing a radiation pattern of a street light including the LED unit module according to the present invention.
FIG. 12 is a view illustrating the LED light emitting direction of the street light including the LED unit module according to the present invention and the illuminance emitted under the street light. FIG.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a street light including an LED unit module according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Prior to the detailed description of the present invention, the same or corresponding components in the drawings are denoted by the same reference numerals, and if a detailed description of related known configurations or functions is deemed to blur the gist of the present invention, Is omitted.

Also, in the present specification, the following embodiments and embodiments are to be considered as being illustrative and not restrictive, and the invention is not to be limited to the details given herein but is to be accorded with the scope of the appended claims and their equivalents, It goes without saying that the present invention can be changed to other embodiments.

4 is a perspective view of a street light having an LED unit module according to the present invention as viewed from above, and FIG. 5 is a sectional view of the streetlight including the LED unit module according to the present invention, In which the streetlight of the present invention is viewed from the lower side.

3 to 5, a street light including the LED unit module according to an embodiment of the present invention includes support rods 110 at the ends of pillars which are formed in the shape of ' And a plurality of light emitting diodes (LEDs) for uniformly diffusing the LED light to the center, left and right sides of the object, such as a roadway, which are housed in the main housing 100, And a unit module (200).

Here, the main body housing 100 includes a support rod 110 having one end inserted into the end of a street lamp post which is installed in a substantially 'A' shape, a first side plate case 120 A housing case 130 having one end coupled to the first side plate case 120 and a second side plate case 140 coupled to the other end face of the housing case 130.

Specifically, the support bar 110 is formed in a cylindrical shape so that one end of the support bar 110 is coupled to the end of the street lamp post, a plurality of coupling holes 111 are formed on the other end face, and one or more coupling holes 113 are formed on the upper surface And a bolt 115 is inserted into the fastening hole 113 together with a rubber packing to be coupled to the strut.

The first side plate case 120 is coupled to the other end of the support bar 110 and has an end face of the housing case 130 abuttingly engaged with the LED case unit 130, And a first side plate 120a and a first side plate 120b.

The first shroud lid 120a is fixed to the support rod 110 via bolts through a plurality of coupling holes 121 corresponding to a plurality of coupling holes 111 formed in the other end surface of the support rod 110, And has a wall portion 121a integrally protruding along the periphery of the inner periphery of the wall portion 121a. The wall portion 121a is integrally formed with the wall portion 121a, A plurality of fastening holes 123 are formed in a predetermined position of the wall 121a so as to penetrate the wall in a horizontal direction, At least one through hole 124 is formed at a predetermined position of the through hole 124 so that the electric wire can be drawn in and out.

The first side plate 120b has a fan shape similar to the first side plate lid 120a and has a plurality of holes 123 corresponding to a plurality of fastening holes 123 formed through the wall portions 121a in the horizontal direction And a plurality of through holes 126 are formed along the middle portion so that electric wires from LED unit modules to be described later are drawn out and drawn, respectively.

That is, the first side plate case 120 is folded in such a manner that the fastening holes 123 of the first side plate lid 120a are aligned with the engaging holes 125 of the first side plate 120b, And is coupled with the rubber packing through the bolt from the outer side of the rubber packing.

The housing case 130 has a front surface excluding the bottom surface of the wall portion 121a integrally protruded along the periphery of the inner side surface of the first side plate lid 120a of the first side plate case 120, The front and rear surfaces and the bottom surface of the housing case are coupled with a coupling hole 122 formed at the front, rear and bottom of the surface of the wall portion 121a, 132 are formed and joined by bolts.

At this time, the housing case 130 has a semi-elliptical shape having angles inclined downward from both sides with respect to the center, so as not to be affected by snow and rain, and has a storage space therein, First and second seating portions 131a and 131b that are inclined downward to the left and right sides of the rectangular front and rear surfaces and the ceiling surface to form a center seating portion 131, A third seating portion 133 extending integrally from the first seating portion and inclined downward to form a left seating portion and a fourth seating portion 135 extending integrally from the second seating portion and inclined downward to form a right seating portion, The first and second protective covers 270 and 270 of the LED unit module 200, which will be described later, are disposed at predetermined positions on both sides of the first to fourth seating portions 131a, 131b, 133, 280) A plurality of coupling holes 134 corresponding to the coupling hole (274a and 284b) are formed by a parameter a bolt with a rubber packing is coupled with the LED unit module 200.

The second side plate case 140 is a means for opposing the first side plate case 120 so that the other end face of the housing case 130 is coupled to the first side plate case 120, A second side plate 140a for fixing and supporting the module 200 so as not to move, and a second side plate lid 140b coupled to the outside of the second side plate.

Specifically, the second side plate lid 140b has a shape that is generally formed in a fan shape like the first side plate lid 120a of the first side plate case described above, and integrally protrudes along the periphery of the inner side surface thereof And a plurality of coupling holes 143 are formed at predetermined positions of the wall portion so as to pass through the wall portion in the horizontal direction. .

Like the first side plate 120b of the first side plate case, the second side plate 140a has a plurality of fastening holes 143 formed in a fan shape, And has a plurality of coupling holes 145 corresponding thereto.

That is, in the state that the second side plate case 140 is overlapped with the coupling hole 143 of the second side plate lid 140b and the coupling hole 145 of the second side plate 140a, And is coupled with the rubber packing through the bolt from the outer side of the rubber packing.

Therefore, the streetlight having the LED unit module according to the present invention is combined as shown in FIG. 3, and is mounted on each of the first to fourth seating portions 131a, 131b, 133, and 134 of the housing case 130 A plurality of LED unit modules 200 are seated.

Hereinafter, the LED unit module 200 will be described with reference to FIGS. 6 to 9 in addition to FIGS. 3 to 5 described above.

FIG. 6 is an exploded perspective view of a LED unit module applied to a streetlight according to the present invention, FIG. 7 is a combined cross-sectional photograph of a main frame and a subframe of the LED unit module according to the present invention, 5 is a photograph of the LED unit module according to the present invention viewed from the upper side and the lower side.

6 and 7, an LED unit module 200 applied to a streetlight according to the present invention is mounted with an LED substrate 220 and an LED protection cover 230 at a lower portion thereof, and a plurality of heat radiation fins A power supply device 201 such as an SMPS is housed in the main frame 210 so as to be slidable on an upper portion of the main frame 210 and a plurality of heat radiation fins 241 are provided on both outer sides of the main frame 210, Frame 240 is formed.

Specifically, the main frame 210 has a substantially 'H' shape with respect to the heat sink 211. The main frame 210 includes a rectangular LED substrate 220 having a plurality of LED elements mounted thereon, The protective cover 230 is mounted.

The LED module 220 may be mounted on a lower end of the main frame 220 using an insulating tape. When the LED module 220 is to be replaced, 210, the LED substrate 220 is detached and removed from the LED substrate 220, and the LED substrate 220 can be easily mounted again. A plurality of coupling holes are formed at predetermined positions of the rim.

The protective cover 230 is made of translucent plastic or glass and has a plurality of fastening holes corresponding to a plurality of coupling holes formed in a rim of the LED substrate 220, And is coupled with the LED substrate 220 to diffuse the light from the LED element having high linearity.

A plurality of heat radiation fins 212 are formed on the heat sink 211 in a vertical direction at predetermined intervals so that heat generated from the LED substrate 220 can be emitted to the outside in the upper portion of the main frame 210 And a pair of sliding rails 213 extending in the longitudinal direction so that the sub frame 240 is slidably mounted on the inner walls of both side surfaces, A fastening hole 214 having a shape is formed to protrude.

The subframe 240 extends in the longitudinal direction to accommodate a power supply device 201 such as an SMPS and has a substantially U shape. A plurality of heat radiation fins 241 protrude horizontally at predetermined intervals so that a high heat can be emitted to the outside without being conducted to the LED substrate 220, Shaped rail holder 242 that is slidably mounted on the rail 213 and has a coupling hole 243 having a substantially 'c' shape at four corners thereof.

Here, a coupling hole 253 corresponding to the coupling hole 243 of the sub frame 240 is formed at one end of the sub frame 240 housing the power supply device 201, And a coupling hole 253 corresponding to the coupling hole 243 of the subframe 240 is formed on the other end of the first protection plate 250 through four corners, The power supply unit 201 is not moved left and right so that the power supply line can be drawn in and out at a predetermined position in the center of the first protection plate 250 and the second protection plate 260 Through holes (member numbers are omitted) are formed.

The main frame 210 may be slidably coupled to the main frame 210 so that the first main frame 210 is covered with the first protective plate 250 from the outside, 210 are formed at four corners with corresponding coupling holes 272 corresponding to the fastening holes 214 of the first and second fasteners 210 and 210. The first protective cover 270 having a substantially inverted U- A coupling hole 282 corresponding to the coupling hole 214 of the main frame 210 is formed at four corners so that the second protective cover 280 having a substantially ' A through hole is formed at a predetermined position in the center of the first protective lid 270 and the second protective lid 280 so that the power line can be drawn in and drawn out. 270 of the first protective cover 280 and the upper surface of the second protective cover 280 of the ' Each of the sub horizontal surfaces is provided with fastening holes 274a and 284b corresponding to a plurality of engaging holes 134 formed in the seating portion of the housing case 130 to be coupled to the housing case 130 ).

8 and 9, when the LED unit module 200 according to the present invention configured as described above is viewed from the upper side and the lower side, the LED unit module 200 is mounted on the main body housing 100 The back surface after being mounted to the housing case 130 is as shown in Fig.

8, the subframe 240 is shorter than the length of the mainframe 210, so that the plurality of heat-radiating fins 212 formed on the mainframe 210 are opened to the outside. As shown in FIG. So that heat generated from the LED substrate 220 can be smoothly discharged to the outside.

3, 4 and 12, the LED unit module 200 configured as described above is mounted on the housing case 130 of the main body housing 100, The first and second LED unit modules 201a and 201b, which are a central LED unit module 201 that is provided with a street lamp and emits light to the vicinity of the center toward the lower side of the target floor, The first LED module 201a and the second LED module 201b are mounted on the first and second seating parts 131a and 131b, respectively, which are inclined downward to the left and right sides of the ceiling surface, The third LED unit module 203 arranged side by side is seated and coupled to a third seating part 133 integrally extended from the first seating part and inclined downward to form a left seating part, And a fourth LED unit module 2 arranged side by side with the module 201b 05 are integrally extended from the second seat portion and are seated and joined to the fourth seat portion 135 which is inclined downward and formed as a right seat portion.

That is, the third LED unit module 203 housed in the main housing 100 installed at a height of about 10 m of the object plane such as a roadway irradiates light toward the right side of the target floor, 205 radiate light toward the left side of the target floor and the first and second LED unit modules 201a and 201b as the center LED unit module 201 emit light toward the lower side near the center of the target floor The first LED unit module 201a irradiates light toward the right with respect to the center, but the inclination angle of the third LED unit module 203 is gentler than that of the third LED unit module 203, The second LED unit 201b irradiates light toward the left direction on the basis of the center, but the inclination angle of the fourth LED unit module 205 is slower than the inclination angle of the left direction.

Therefore, according to the streetlight having the LED unit module according to the present invention constructed as described above, the light emitting device has a radiation pattern with a high light irradiation density as shown in FIG. 11, and has a height of about 10 m It can be seen that the illuminance of the target floor of the streetlight installed in the streetlight is measured to be 68Lux, which is much higher than 20Lux, which is the reference illuminance of the streetlight.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, Of course.

100: main body housing 110: support rod
120: first side plate case 130: housing case
140: second side plate case 200: LED unit module
210: main frame 220: LED substrate
230: LED protective cover 240: subframe
250: first protection plate 260: second protection plate
270: first protective cover 280: second protective cover

Claims (5)

A main body housing 100 coupled with a support rod 110 through which one end of a strut is mounted on a road to house a plurality of LED unit modules 200; And
And a plurality of LED unit modules (200) housed in the main housing (100) and diffusing LED light on a target floor,
The LED unit module 200 includes a central LED unit module 201 which emits light toward the lower side of the target floor and a plurality of LED unit modules 201 arranged side by side on the side of the central unit module 201, And a fourth LED unit module 205 disposed side by side on the other side of the central unit module 201 and emitting light toward the left side of the target floor,
And the LED light is diffused to the four sides of the target floor. The method according to claim 1,
The central LED unit module 201 includes a first LED unit module 201a that emits light toward the lower right side of the target floor, a second LED unit module 201b that emits light toward the lower left side of the target floor, Module 201b,
The first LED unit module 201a may have a tilted angle that is less than an inclined surface that diverges light toward the right side with respect to the center of the lower side and diverges light toward the right side of the third LED unit module 203, The second LED unit module 201b is gentler than the inclined plane which irradiates the light toward the left side with respect to the center of the lower side but diverges light toward the left side of the fourth LED unit module 205 A streetlight having an LED unit module. 3. The method according to claim 1 or 2,
The main body housing 100 includes a first side plate case 120 coupled to the other end surface of the support bar 110 to fix and support one end face of the plurality of LED unit modules 200, A housing case 130 coupled to one end face of the LED unit module 200 to receive a plurality of LED unit modules 200 and a housing case 130 coupled to the other end face of the housing case 130 to fix the other end face of the plurality of LED unit modules 200 And a second side plate case (140)
The housing case 130 has a semi-elliptical shape having an inclined angle with respect to the center of the housing case 130 in the downward direction. The housing case 130 has a housing space formed therein. The housing case 130 has a rectangular- First and second seating portions 131a and 131b forming a central seating portion 131, a third seating portion 133 extending integrally from the first seating portion and inclined downward to form a left seating portion, And a fourth seating part (135) integrally extended from the second seating part and inclined downward to form a right seating part,
The first and second LED unit modules 201a and 201b as the center LED unit module 201 are seated and coupled to the first and second seating parts 131a and 131b of the housing case 130, The third LED unit module 203 disposed next to the first LED unit module 201a is seated on the third seat part 133 and is coupled to the second LED unit module 201b side by side And the fourth LED unit module (205) arranged is seated and coupled to the fourth seat (135). 3. The method according to claim 1 or 2,
The LED unit module 200 includes an LED substrate 220 and an LED protection cover 230 and a plurality of heat dissipation fins 212 for emitting heat generated from the LED substrate 220 to the outside. The main frame 210 and the power supply unit 201 are housed and slidably mounted on the main frame 210 so as to discharge the heat generated from the power supply unit 201 to the outside And a sub frame (240) having a plurality of heat radiation fins (241) formed on the outer side of both sides thereof. 5. The method of claim 4,
A coupling hole 253 corresponding to the coupling hole 243 of the subframe 240 is formed at one end of the subframe 240 at four corners so that the first protection plate 250 is coupled via bolts And a coupling hole 253 corresponding to the coupling hole 243 of the subframe 240 is formed at four corners of the subframe 240. The second protection plate 260 is coupled to the power supply device 201 ) Is not moved,
The main frame 210 is covered with the first protection plate 250 from the outside so that the main frame 210 is attached to one end surface of the main frame 210 while the sub frame 240 is slidably coupled to the main frame 210. [ And the first protective lid 270 is coupled to the first protective lid 270 through bolts and the second protective lid 270 is coupled to the other end of the coupling hole 214 of the main frame 210 And a second protection cover (280) is coupled to the first protection cover (280) via bolts.
KR20130044875A 2013-04-23 2013-04-23 Street lamp having a plurality of light emitting diode unit module KR20140126553A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101621380B1 (en) 2015-06-26 2016-06-01 주식회사 케이에스비 Light emitting diode lamp module for street light and method for manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101621380B1 (en) 2015-06-26 2016-06-01 주식회사 케이에스비 Light emitting diode lamp module for street light and method for manufacturing the same

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