KR101478807B1 - LED Street Lamp - Google Patents

Abstract

An LED street lamp capable of adjusting the number of LED modules to be provided comprises: an LED module unit including a heat dissipation structure, configured to adjust the number of LED modules to be provided according to required brightness, and including first to five LED modules and a module installation plate for installing the LED modules; an outer container unit forming the appearance, coupled to a street lamp post, having the LED module unit arranged on the bottom surface, and having an upper surface with a structure capable of easily dissipating heat; and a converter provided in the outer container unit, and configured to obtain a direct current output voltage using a switching circuit and supply power to the LED modules. The outer container unit comprises: an outer container unit body coupled to the street lamp post, configured to receive power, and having the converter provided therein; a lower cover having one end coupled thereto to be rotated at a predetermined angle such that the lower cover can be opened and closed as necessary, and having the LED module unit provided therein; and an upper cover configured to form a cover for covering the upper part of the outer container unit and an internal space, and to dissipate heat generated by the LED module unit. The LED street lamp capable of adjusting the number of LED modules to be provided adjusts the number of LED modules to be provided according to required brightness, thereby reducing the number of parts required for the LED street lamp, and lowering production costs. The LED street lamp has a structure capable of easily dissipating heat, thereby improving the durability of the LEDs.

Description

LED Street Lamp {LED Street Lamp}

The present invention relates to an LED streetlight installed at the end of a streetlight for street lighting, traffic safety, or aesthetics. More particularly, the present invention relates to an LED streetlight which is installed as a light source, And an LED module unit capable of adjusting the installed quantity of the LED module according to the required brightness; And an upper surface of the LED module is connected to the LED, and the upper surface of the LED module is easily discharged. And a converter unit installed inside the enclosure for obtaining a DC output voltage by using a switching circuit and supplying power to the LED module.

In general, street lights are placed at regular intervals on both sides of roads, both sides of the bridge, and highways, and illuminate the road. Thanks to the function of the streetlight, it not only drives safe cars but also reveals the darkness of the city and produces various effects. In order to fulfill these functions faithfully, the minimum light intensity must be secured, and thus, the LED lamps mainly made of LED lamps will be used.

 LED street lamps are widely used because of the small amount of heat generated by the LEDs and the large number of LEDs arranged to obtain a high luminance by consuming a small energy and a long lifetime of LEDs.

However, as a lighting device, a power-class high-brightness LED used in a place requiring high illuminance, such as a street lamp, a tunnel, or a floodlight, uses a high-output LED of 3W in which the current consumption is 10 times or more as compared with a general high- .

In this case, the street light using the power-class high-brightness LED has a very small amount of light as compared with the street lamp using the conventional metal halide lamp or the mercury lamp, so that a large number of power-class high-brightness LEDs are used, The degradation phenomenon of the LED rapidly progresses, which causes a phenomenon in which the illuminance and lifetime of the LED are rapidly lowered.

Therefore, when developing a lighting device such as a streetlight using a power-class high-output LED, the structure should be designed to effectively dissipate the heat from the LED light source.

In order to solve such a problem, conventionally, a printed circuit board made by stacking a plurality of LEDs and a heat dissipating protrusion formed on the printed circuit board closely contact the heat dissipating plate, Heat dissipation method is used.

In addition, it is necessary to install the LED module according to the installation position of the street lamp or the necessary brightness, and the LED module has a structure of 1 to 3 LED modules each having 30 W. The installation position of the street lamp, It is necessary to provide a structure that can be adjusted according to the size of the body.

The LED lighting device disclosed in the Japanese Patent No. 10-1326947 includes a printed circuit board having a plurality of LEDs and a main heat transfer part on one surface thereof and an upper housing including a plurality of upper heat transfer parts surrounding the printed circuit board, A lower housing including a lower heat transfer portion engaged with the heat transfer portion, a light transmitting plate facing the plurality of LEDs, and a heat dissipation plate on which the main heat transfer portion is inserted, the heat dissipation member being provided on the other surface, And an arm coupling portion inserted into the guide portion formed at one side of the other side. However, the present invention is different from the present invention in that the structure of the enclosure is different and the number of installed LED modules is not adjustable.

The street light device using the light emitting diode disclosed in the patent document 10-0941034 includes a lower case; LED mounting bracket; Several LED substrates; A translucent plate; A waterproof and dustproof gasket; A heat sink; A column coupling means; An upper cover; A plurality of air flow holes are radially formed in the front and rear portions of the upper cover in a radial shape within a sector shape and a half disc shape is formed on the front surface of the upper cover between the air flow holes formed in the front and rear portions, And a plurality of flow rate enhancing pieces having a plurality of flow rate enhancing pieces are formed to protrude in a vertical direction at regular intervals to form a hemispherical shape as a whole, It is not possible to detachably attach the air and fluid flow direction guide plate in which a guide surface having a sloping inclined surface and a plate-like ring shape is formed in the periphery of the insertion and internal air discharge hole, or the number of installed LED modules is not adjustable. It is different.

The LED street light disclosed in the patent 10-0978089 includes a case having radiating fins having drain grooves; A reflector installed inside the case and formed by combining a plurality of unit reflectors so as to be partially replaceable and the combined unit reflectors having a curvature in the form of a tunnel as a whole; A plurality of LEDs installed on the unit reflection plates and installed so as to maintain the total convergence angle of the LED light installed on the line to 145 to 155 deg. And a plurality of LEDs arranged at a lower portion of the case so as to correspond to the plurality of unit reflectors and connected to the LEDs to control the LEDs. However, the present invention has a different structure from that of the present invention, Which is different from the present invention.

According to an aspect of the present invention, there is provided an LED module including a heat dissipation structure, a module mounting plate having one to five LED modules and a module mounting plate, And an upper surface of the LED module is connected to the LED, and the upper surface of the LED module is easily discharged. And a converter unit which is installed inside the enclosure and uses a switching circuit to obtain a DC output voltage and supplies power to the LED module. The enclosure is coupled to the underground lamp, power is supplied to the inside of the enclosure, An enclosure main body portion; A lower cover portion coupled to the LED module so as to be rotatable at a predetermined angle so that the LED module can be opened and closed when necessary; And an upper cover part serving to dissipate heat generated in the LED module part. The present invention provides an LED streetlight capable of adjusting the number of installed LED modules.

The LED street lamp capable of controlling the number of LED modules installed according to the present invention includes a LED element as a light source, a power source, a light emitting portion, a heat dissipation structure, And a module mounting plate for mounting the LED module; And an upper surface of the LED module is connected to the LED, and the upper surface of the LED module is easily discharged. A converter that is installed inside the enclosure and uses a switching circuit to obtain a DC output voltage to supply power to the LED module; and an AC power supply, which supplies AC power to the converter, A power source terminal unit for receiving the LED module unit and supplying DC power to the LED module unit, and a converter unit including a power source terminal unit and a converter mounting plate on which a converter is installed.

An enclosure main body portion that supports the street lamp as a whole and is coupled to the underground lamp, the enclosure main portion into which power is supplied and the converter portion is installed; A lower cover coupled to the lower portion of the enclosure main body and coupled to the one-touch buckle installed at the enclosure main body, the other end being rotatably connected at one end so as to be opened and closed as needed, Wow; A cover and an inner space formed on the upper portion of the enclosure main body to block the upper portion of the enclosure main body portion and an upper cover portion serving to dissipate heat generated in the LED module portion.

The enclosure main body portion includes a converter built-in portion into which power is supplied and the converter is installed; An LED module built-in portion including the heat radiating portion of the LED module portion like the lower cover portion; A backlight connection part to which one end of the lower cover part is coupled and the end of the backlight is inserted and fixed; And a backlight coupling cover for blocking the upper portion of the backlight coupling portion to prevent the backlight coupling portion from being exposed to the outside.

The module mounting plate includes a module installing / unmounting portion having the LED module installed therein and opened to emit light to the lower portion, an LED module coupling hole for installing one to five LED modules according to the required number, And a plurality of lower cover engaging grooves for engaging the plate with the lower cover portion.

And a one-touch buckle for one-touch engagement with the lower cover is formed at an opposite end of the enclosure main body portion to which the backlight is coupled.

A lower cover engaging portion coupled to the lower lid engaging portion such that the lower end of the lower lid portion is rotatable and a band surrounding the circumference of the back light lid, A cover engaging member for engaging the backlight engaging portion cover with the backlight engaging portion, and a backlight inserting hemisphere into which the backlight is inserted.

The lower cover engagement hole is formed with a lower cover release prevention pin for preventing the lower cover engagement portion from being detached from the lower cover engagement opening when the lower cover is rotated to open and close.

The converter built-in unit is provided with a mounting plate coupling hole for fixing the converter mounting plate provided with the converter and the power source input terminal to the housing body. The converter built-in unit, the LED module built-in unit, A plurality of upper cover portion coupling holes are formed in the converter built-in portion and the LED module built-in portion for the bolt connection with the upper cover portion .

And an outer casing main body portion and a bottom cover portion are integrally formed with the outer casing main body portion and the lower cover portion, respectively, at a rim portion of the converter built-in portion and the LED module internal portion abutting the rim of the lower cover portion, In the upper rim portion of the enclosure main body portion, an enclosure main flapper is formed to maintain airtightness between the enclosure main body portion and the upper cover portion.

The lower cover part is provided with a rotation ring protrusion for rotationally coupling with the enclosure body part, an LED module open part opened to expose the LED module of the LED module part to the outside, and an LED module opening part for fixing the module installation plate to the lower cover part A buckle engaging groove for allowing the one-touch buckle to be hermetically sealed to engage the enclosure main body and the lower cover portion, and a lower cover packing groove for inserting the load- do.

A plurality of heat dissipating protrusions are formed on the outer surface of the upper cover to increase heat dissipation efficiency of the heat generated by the LED module, And a reinforcing rib for reinforcing the strength is formed on the inner circumference of the upper cover part, and a plurality of reinforcing ribs for reinforcing the strength are formed on the inner circumference of the upper cover part, A packing pressing part including a plurality of packing pushers for pressing the casing main body floating jacket is formed.

The LED module includes a PCB having an LED element coupled thereto; A secondary lens plate installed on the PCB to protect the lower PCB, and a secondary lens installed on each of the LED elements to increase light output efficiency of light emitted from the LED element and to form a necessary light plate; A heat dissipating unit coupled to the PCB and the secondary lens plate and radiating heat generated from the LED device and the PCB; And a silicone packing disposed between the heat dissipation unit and the secondary lens plate to prevent rainwater or moisture from penetrating the PCB, thereby allowing the LED module to have a waterproof function.

The secondary lens plate portion includes a secondary lens installed in each of the LED elements so as to increase a light output efficiency of light emitted from the LED element and form a required light plate; A secondary lens plate provided with the secondary lens, a secondary lens plate coupling the secondary lens plate to the heat dissipation unit, and pressing the silicon packing.

The secondary lens plate is provided with a plurality of heat dissipating unit engaging holes for engaging with the heat dissipating unit by bolts, a silicon packing detachment preventing jaw for preventing the silicone packing from escaping, and a power inlet unit for receiving power from the power terminal unit do.

The heat dissipating unit includes: a heat sink coupled to the PCB and having opposite ends coupled to the module mounting plate; And a plurality of heat dissipating fins formed perpendicular to the heat dissipating plate to increase the heat dissipating area.

The heat dissipation plate includes a mounting plate coupling hole for bolt connection with the module mounting plate, a secondary lens unit coupling hole for coupling with the secondary lens plate, and a portion contacting the silicone packing when the module mounting plate is bolted to the module mounting plate. And a power inlet for receiving a power source are formed in the second lens plate of the second lens plate.

The present invention can solve the problem to be solved by the LED street lamp capable of adjusting the number of the LED module installed.

According to the LED street lamp capable of controlling the number of LED modules installed according to the present invention, it is possible to reduce the number of parts required for the street lamp, reduce manufacturing cost, and easily heat So that the durability of the LED is improved.

1 is an overall schematic view according to the LED street lamp of the present invention
Figure 2 is a schematic view of an enclosure according to the LED street lamp of the present invention
Fig. 3 is a view showing an example of opening the lower cover portion of the outer case according to the LED street lamp of the present invention
Fig. 4 is a schematic view of the enclosure main body according to the LED street lamp of the present invention
Fig. 5 is an enlarged view of a part of the LED lighting device according to the present invention
FIG. 6 is a view showing an example in which the converter unit is installed in the enclosure main body according to the LED street lamp of the present invention
7 is a schematic view of the lower cover according to the LED street lamp of the present invention.
Fig. 8 is a view showing an example of connection between the enclosure main body portion and the lower cover portion according to the LED street lamp of the present invention
FIG. 9 is a view showing an example in which 1 to 3 LED modules are installed in the lower cover part according to the LED street lamp of the present invention
10 is a schematic view of an upper cover according to the LED street lamp of the present invention
11 is a side view of the LED module according to the LED street lamp of the present invention,
12 is a side view of the LED module according to the LED street lamp of the present invention,
13 is a plan view of a module mounting plate according to the LED street lamp of the present invention
Figure 14 is a schematic diagram of an LED module according to the LED street lamp of the present invention
15 is a schematic view of a secondary lens plate according to the LED street lamp of the present invention
16 is a schematic view of a heat dissipating unit according to the LED street lamp of the present invention
Fig. 17 is a view showing the converter sub floor plan according to the LED street light of the present invention

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

Further, the following terms are defined in consideration of the functions of the present invention, and this may vary depending on the intention or the custom of the user, the operator, and the like, and the definition is used throughout this specification to describe "LED street lamp" It should be based on the contents.

Hereinafter, a preferred embodiment of the "LED street lamp" according to the present invention will be described in detail.

The following examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention.

FIG. 1 is a schematic view of an LED streetlight according to the present invention, FIG. 2 is a schematic view of an enclosure according to an LED streetlight of the present invention, and FIG. FIG. 4 is a schematic view of the enclosure main body according to the LED street lamp of the present invention, FIG. 5 is an enlarged view of a part of the LED streetlight according to the present invention, FIG. FIG. 7 is a schematic view of a lower cover according to an LED streetlight according to the present invention, FIG. 8 is an illustration showing an example of a connection between an enclosure body and a lower cover according to an LED streetlight of the present invention, 10 is a schematic view of an upper cover according to an LED street lamp according to the present invention, and FIG. 11 is a view showing an example of a secondary lamp according to the LED street lamp of the present invention. Seen from the side of the plate 12 is a plan view of the LED module according to the LED street lamp of the present invention, FIG. 13 is a plan view of the module installation plate according to the LED street light of the present invention, and FIG. 16 is a schematic view of a heat dissipating unit according to the LED street lamp according to the present invention, and FIG. 17 is a schematic view of the LED module according to the LED street light of the present invention. FIG.

As shown in FIG. 1, the LED street lamp capable of adjusting the LED module installation number of the present invention is installed at the end of the street lamp 4 along the road for lighting of streets, safety of traffic, or aesthetics. The LED module 11 and the LED module 11 are mounted on the LED module 11, the LED module 11, the LED module 11, An LED module section (1) composed of a module mounting plate (12); The LED module unit 1 is installed on a lower surface of the LED module 1, and the upper surface of the LED module unit 1 is easily discharged. A converter 31 installed inside the enclosure 2 for obtaining a direct current output voltage using a switching circuit and supplying power to the LED module 11, 31 and a converter 31 in which the power source terminal unit 32 and the converter 31 are installed, and a power source terminal unit 32 for supplying direct current power to the LED module unit 1 by receiving DC power from the converter, And a converter section 3 composed of an installation plate 33. [

The enclosure unit 2 includes an enclosure main body 21 which supports the street lamp as a whole and is coupled to the underground lamp 4 and into which power is supplied and the converter unit 3 is installed; One end is coupled to the one-touch buckle 2123 provided on the enclosure main body 21 and the other end is coupled with the one-touch buckle 2123 provided on the enclosure main body 21, A lower cover part 22 on which the LED module part 1 is installed; A lid and an inner space which are coupled to an upper portion of the enclosure main body portion 21 to block the upper portion of the enclosure main body portion 21 and an upper space 20 which functions to dissipate heat generated from the LED module portion 1, And a cover portion 23.

The one-touch buckle 2123 for one-touch engagement with the lower cover 22 is formed at the opposite end of the enclosure main body 21 to which the back light 4 is coupled.

The module installation plate 12 is provided with a module installation opening part 121 provided with the LED module 11 and opened to emit light to the lower part, And a plurality of lower cover coupling grooves 123 for coupling the module mounting plate 12 with the lower cover portion 22 are formed.

The converter 31 is a device that converts AC 220V to DC by using a switching circuit so that it can use AC 220V as a power source of the LED. It uses a product capable of stable power supply and has an input voltage of AC 220V 60Hz, an output voltage of DC 42 To-56V constant current method.

The LED module 11 has a capacity of 30 W and has a capacity of 30 W LED street light when one is installed, 60 W LED street light when two are installed, 90 W LED street light when three are installed, Shows that the three LED modules 11 are installed.

Since the module mounting plate 12 has the LED module fitting hole 122 for installing one to five LED modules 11 according to the required number, .

As shown in FIGS. 2 and 3, the enclosure 2 has an outer shape, is coupled to the underground lamp 4, and the LED module 1 is installed on the lower surface. An enclosure main body portion 21 which supports the street lamp as a whole and is coupled to the underground lamp 4 and has an internal power supply and into which the converter portion 3 is installed; One end is coupled to the one-touch buckle 2123 provided on the enclosure main body 21 and the other end is coupled with the one-touch buckle 2123 provided on the enclosure main body 21, A lower cover part 22 on which the LED module part 1 is installed; A lid and an inner space which are coupled to an upper portion of the enclosure main body portion 21 to block the upper portion of the enclosure main body portion 21 and an upper space 20 which functions to dissipate heat generated from the LED module portion 1, And a cover portion 23.

In order to increase the heat dissipation efficiency, the enclosure 2 should be manufactured by die casting with aluminum. The bolts for coupling the upper cover portion 23 of the enclosure main body 21 and the bolts for joining internal components are all made of stainless steel It is preferable to use STS 304 made of steel.

The enclosure body 2 is separated from the enclosure main body portion 21, the lower cover portion 22, and the upper cover portion 23 so that the components are easily installed and the heat radiation efficiency is good. The upper and lower cover portions 21 and 22 are coupled so as to be openable and closable by hooking or pulling the one-touch buckle 2123 to the buckle receiving groove 224, 2131 so that the LED module 11 or the converter 31 can be easily rotated or repaired, thereby facilitating maintenance.

As shown in FIGS. 4 and 5, the enclosure main body 21 supports the street lamp as a whole, is coupled to the underground lamp 4, and the power supply is drawn in and the converter unit 3 is installed A converter built-in unit 211 into which a power source is supplied and the converter is installed; An LED module built-in part 212 in which the heat radiating part 14 of the LED module part 1 is embedded, like the lower cover part 22; A backlight coupling part 213 to which one end of the lower cover part 22 is coupled and the end of the backlighting part 4 is inserted and fixed; And a streetlight mount coupling cover 214 for covering the upper portion of the streetlight coupling portion 213 to prevent the streetlight coupling portion 213 from being exposed to the outside.

A one-touch buckle 2123 for one-touch engagement with the lower cover 22 is formed at an opposite end of the enclosure body 21 to which the backlight 4 is coupled.

A plurality of mounting plate engaging holes 2111 for fixing the converter mounting plate 33 having the converter 31 and the power inlet member 32 to the enclosure main body 21 are formed in the converter built- .

A first partition 2121 is formed between the converter built-in unit 211 and the LED module built-in unit 212 to avoid interference with each other, and between the converter built- The second barrier ribs 2134 are formed.

The converter built-in unit 211 and the LED module built-in unit 212 are formed with a plurality of upper cover unit engaging holes 2122 for bolting with the upper cover unit 23.

The cover portion of the converter cover 211 and the LED module built-in portion 212 contacting the rim of the lower cover portion 22 may be provided with the airtightness between the enclosure body portion 21 and the lower cover portion 22 So that the load casing core 215 is formed.

An upper rim portion of the enclosure main body portion 21 abutting against the rim of the upper cover portion 23 is provided with an annular rim portion 18 for retaining airtightness between the enclosure main portion 21 and the upper cover portion 23 216 are formed.

The side lighting part coupling cover 214 includes a side lighting part coupling part 2141 for coupling with the side lighting part coupling part 213 and a rotation ring projection 221 when the lower cover part 22 is opened and closed. There is formed a rotating ring projection preventing opening 2142 for preventing interference with the streetlight fitting cover 214 and a backlight inserting hemisphere 2143 into which the streetlight lamp 4 can be inserted.

As shown in FIG. 5, one end of the lower cover part 22 is coupled to the side of the streetlight lamp coupling part 213, and the end of the backlight lamp 4 is inserted and fixed.

A lower cover coupling part 2131 coupled to the lower lid part 22 so as to rotate the end of the lower lid part 22 and a band 21321 surrounding the circumference of the backlight lid 4, A pair of side light guide grooves 2132 for coupling the end of the side light guide plate 4 with the outer casing 2 and a cover engaging hole 2132 for engaging the side light guide engaging portion cover 214 with the side light guide engaging portion 213, (2133), and a backlight inserting hemisphere (2135) into which the backlight (4) is inserted.

The lower cover coupling part 2131 is formed of two supporting rods, and the rotating ring projections 221 of the lower cover part 22 are fitted between the supporting rods.

The lower cover engaging portion 2131 is provided with a lower cover releasing portion 2131 for preventing the rotation annular protrusion 221 from being separated from the support of the lower cover engaging portion 2131 when the lower cover portion 22 is rotated, Prevention pins 21311 are formed.

A bolt insertion hole reinforcing portion 21323 for reinforcing the side light fitting 2132 of the thinner portion is formed in the back light fitting 2132.

The band 21321 includes a band portion 213211 surrounding the backlight 4 and a bolt coupling portion 213212 having a bolt hole 2132121 for fastening the bolt hole formed in the backlight coupling portion 2132 with a bolt 21322. [ ).

 6 is a view illustrating an example in which the converter unit 3 is installed in the enclosure body unit 21. The converter unit 3 is installed in the converter built-in unit 211 of the enclosure body unit 21, A first partition wall 2121 and a second partition wall 2134 are formed to be completely separated from the LED module built-in portion 212 and the backlight coupling portion 213.

The converter unit 3 includes a converter 31 for obtaining a DC output voltage by using a switching circuit to supply power to the LED module 11 and an AC power source 30 for supplying AC power to the converter 31, And a converter mounting plate 33 on which the power terminal portion 32 and the converter 31 are installed. The power source terminal portion 32 supplies DC power to the LED module portion 1, Lt; / RTI >

7, the lower cover portion 22 is coupled to the lower portion of the enclosure main body portion 21, and one end thereof is coupled to be rotatable at a predetermined angle so as to be opened and closed as necessary, Touch buckle 2123 provided on the enclosure main body 21, and the LED module unit 1 is installed.

The lower cover part 22 is provided with a rotation ring protrusion 221 for rotationally coupling with the enclosure body part 21 and an LED module 11 opened to expose the LED module 11 of the LED module part 212 to the outside. A plurality of module mounting plate fasteners 223 for fixing the module mounting plate 12 to the lower cover portion 22 and a plurality of module mounting plate fasteners 223 for fastening the one- A lower cover packing groove 225 for inserting the load blocker 215 of the enclosure body and assisting the sealing is formed in the lower cover part 22 and the lower cover part 22.

The module mounting plate fixing member 223 is provided with a pressing member 2231 so that the pressing member 2231 and the module mounting plate fixing member 223 are bolted to each other and the pressing member 2231 is fixed to the module mounting plate 12 The inner side of the module mounting plate 12 is pushed in the lower cover connecting groove 123 and the lower cover portion 22 and the module mounting plate 12 are coupled and fixed.

A locking protrusion 2211 is formed at the distal end of the rotation ring protrusion 221 to prevent the lower cover portion 22 from coming off from the lower cover coupling portion 2131 when the lower cover portion 22 is opened or closed.

The locking protrusion 2211 is caught by the lower cover detachment prevention pin 21311 formed in the lower cover coupling hole 2131 and is not released between the supports of the lower cover coupling hole 2131.

8 is a view illustrating an example of the connection between the enclosure body portion 21 and the lower cover portion 22. The enclosure main body portion 21 at the top of the figure is the lower portion of the enclosure main body portion 21, The lower portion of the lower cover 22 is fitted to the lower cover engaging portion 2131 of the enclosure body portion 21 to engage with the rotation annular projection 221 of the lower cover portion 22, So that the locking projection 2211 of the rotation ring projection 221 is prevented from being disengaged from the lower cover coupling hole 2131 by fitting the prevention pin 21311. [

9 is a side view of the LED module of the LED module 11 when the number of LED modules 11 installed on the module module 12 is adjusted in the LED module module 222 of the lower cover part 22, And a state of arrangement in the module installation plate 12 is shown.

When one LED module (11) is installed with one 30W capacity, it will be a 30W LED street light as shown in the lower drawing. When installing two LED modules (11), 60W LED street light will be as shown in the middle drawing. It shows the same 90W LED streetlight, which can be up to five.

Since the module mounting plate 12 has the LED module fitting hole 122 for installing one to five LED modules 11 according to the required number, .

The LED module unit 1 presses the module mounting plate 12 with the pressing protrusion 2231 to engage the lower cover unit 22.

10, the upper cover 23 is coupled to the upper portion of the enclosure main body 21 to serve as a lid and an inner space for blocking the upper portion of the enclosure main body 21, And serves to dissipate heat generated in the module unit 1. [

A heat dissipating protrusion 231 is formed on the outer surface of the upper cover part 23 and includes a plurality of heat dissipating protrusions 2311 extending in a heat dissipating area to increase heat dissipation efficiency of heat generated in the LED module part 1 .

A plurality of enclosure main body coupling holes 232 for coupling the enclosure main body 21 with the enclosure main body portion 21 and a converter built-in portion 211 of the enclosure main body 21, An upper cover partition wall 233 for separating the module built-in portion 212 and a reinforcing rib 234 for reinforcing the strength are formed.

A packing pressing part 235 including a plurality of packing pressing protrusions 2351 for pressing the outer casing main floating pinion 216 is formed on an inner edge of the upper cover part 23.

As shown in FIGS. 11 and 12, the LED module unit 1 includes an LED element 1111 as a light source, receives power, emits light to the bottom, and includes a heat dissipation structure. Wherein the LED module 11 and the module mounting plate 12 are formed of one to five LED modules 11 and a module mounting plate 12 for mounting the LED module 11, (122) and the mounting plate coupling hole (11411) of the heat dissipating unit (114) are bolted together.

13, the module mounting plate 12 may be provided with one to three LED modules 11. The LED module 11 may be mounted on the LED module opening part 222 of the lower cover part 22, The lower cover part 22 is inserted into the lower cover part 22 in the same shape as the lower cover part 22 and inserted into the lower cover coupling groove 123 and the module mounting plate fastener 223 of the lower cover part 22 And is coupled to the pusher 2231.

The module installation plate 12 is provided with a module installation opening part 121 provided with the LED module 11 and opened to emit light to the lower part, And a plurality of lower cover coupling grooves 123 for coupling the module mounting plate 12 to the lower cover portion 22 are formed.

As shown in FIG. 14, the LED module 11 includes an LED element 1111 as a light source, receives power, emits light to the bottom, and includes a heat dissipation structure. A PCB 111 to which an LED element 1111 is coupled; And a secondary lens 1121 provided on each of the LED elements 1111 so as to increase a light output efficiency of the light emitted from the LED element 1111 and form a necessary light beam, A secondary lens plate portion 112 for protecting the lower PCB 111; A heat dissipating unit 114 coupled to the PCB 111 and the second lens plate unit 112 and radiating heat generated from the LED device 1111 and the PCB 111; A silicone packing 113 provided between the heat dissipation unit 114 and the secondary lens plate unit 112 to prevent rainwater or moisture from penetrating the PCB 111 and to provide the waterproof function of the LED module 11, And the power source is drawn into the pull-in power source unit 115.

Since the LED module 11 generates heat in the PCB 111 or the LED element 1111 and is adhered to the heat dissipating part 114, the heat transfer is quick and the heat dissipating part 1142 can transfer heat to the air. The heat radiating protrusion surface 231 is formed in the upper cover portion 23 and heat transfer is good and the material of the heat dissipation portion 114 and the upper cover portion 23 is also made of aluminum so that the heat transfer is good and the durability of the LED is improved .

As shown in FIG. 15, the secondary lens plate portion 112 is provided on the PCB 111 to increase the light output efficiency of the light emitted from the LED elements 1111, And a secondary lens 1121 provided on the element 1111 and protects the lower PCB 111. It is possible to increase the light output efficiency of the light emitted from the LED element 1111 and to form a necessary light plate A secondary lens 1121 provided on each of the LED elements 1111; And a secondary lens plate 1122 provided with the secondary lens 1121 and coupling the secondary lens plate portion 112 with the heat dissipation portion and pressing the silicon packing 113.

The secondary lens plate 1122 is provided with a plurality of heat dissipating unit engaging holes 11221 for bolt connection with the heat dissipating unit 114 and a silicone packing disengagement preventing unit 11222 for preventing the silicone packing 113 from being detached. And a power inlet portion 11223 through which the power is discharged from the power terminal portion 32 is formed.

The secondary lens 1121 has a base surface, wherein the base surface is one plane; The emitting surface consists of two local spherical surfaces and a transitive surface lying between the two local spherical surfaces; The emitting surface is connected to the substrate surface to form an outline of the substrate surface; A light incidence surface is provided at the center of the base surface, wherein the light incidence surface is a concave surface; The base surface, the light incidence surface, and the light exiting surface together form the main body of the secondary optical lens.

The heat dissipating unit coupling hole 11221 should have a flat head type hole so that the flat head type bolt is completely inserted and does not protrude.

16, the heat dissipating unit 114 is coupled to the PCB 111 and the secondary lens plate 112 and dissipates heat generated from the LED 1111 and the PCB 111 A heat sink 1141 which is in contact with the PCB 111 and has both ends coupled to the module mounting plate 12; And a plurality of radiating fins 1142 vertically formed on the radiating plate 1141 to increase the radiating area.

Preferably, the heat dissipating unit 114 is formed of a module and is made of an aluminum material having excellent heat dissipation characteristics.

The heat radiating plate 1141 is provided with a mounting plate coupling hole 11411 for bolt coupling with the module mounting plate 12 and a plurality of secondary lens coupling holes 11412 for coupling with the secondary lens plate 1122. [ And the silicone packing separation preventing chin 11222 is inserted so that the secondary lens plate of the portion abutting the silicon packing 113 when bolted to the module mounting plate 12 presses the silicon packing 113 A separation preventing blade inserting groove 11413 and a power inlet 11414 into which power is supplied are formed.

17, the converter section 3 includes a converter 31 for obtaining a DC output voltage by using a switching circuit and supplying power to the LED module 11, A power supply terminal portion 32 for supplying AC power to the converter 31 and receiving DC power from the converter to supply DC power to the LED module portion 1, And a converter mounting plate 33 to be installed.

A plurality of coupling holes 331 of various sizes are formed on the converter mounting plate 33 to connect the converter 31 and the power terminal portion 32 to the converter mounting plate 33 with bolts or pieces.

According to the LED street lamp capable of controlling the number of LED modules installed according to the present invention, it is possible to reduce the number of parts required for the street lamp, reduce manufacturing cost, and easily heat So that the durability of the LED is improved.

1: LED module part 11: LED module
111: PCB 1111: LED element
112: secondary lens plate portion 1121: secondary lens
1122: Secondary lens plate 11221: Heat dissipating unit coupling hole
11222: Silicone packing separation prevention bump 11223: Power supply inlet part
113: silicon packing 114:
1141: Heat sink 11411: Mounting plate coupling hole
11412: Secondary lens portion coupling hole 11413:
11414: power inlet 1142:
115: Incoming power section 12: Module mounting plate
121: Module installation open part 122: LED module connection hole
123: Lower cover coupling groove
2: Enclosure 21: Enclosure body
211: Converter built-in part 2111: Mounting plate coupling hole
212: LED module built-in part 2121: first partition
2122: upper cover portion fitting hole 2123: one-touch buckle
213: Street lamp coupling portion 2131: Lower cover coupling hole
21311: Lower cover release prevention pin 2132:
21321: Band 213211: Bending part
213212: Bolt connection part 2132121: Bolt hole
21322: Bolt 21323: Bolt insertion hole reinforcing portion
2133: cover coupling part 2134: second partition
2135: Street lamp insertion hemisphere 2136: Stiffening rib
214: Streetlight coupling portion cover 2141: Streetlight coupling portion: Coupling hole
2142: Rotation ring protrusion prevention open part
2143: Street lamp insert hemisphere
215: Enclosure Body Load Corruption King 216: Enclosure Body Floating Corruption King
22: lower cover part 221: rotation ring projection
2211: Locking device 222: Opening part of LED module
223: Module mounting plate fastener 2231: Pusher
224: buckle locking groove
225: lower cover packing groove 23: upper cover part
231: Radiating projection surface 2311: Radiating projection
232: enclosure main body coupling hole 233: upper cover partition
234: reinforcing rib 235: packing pressing part
2351: packing pushing projection
3: converter section 31: converter
32: power terminal part 33: converter mounting plate
331: Coupling hole
4: Streetlight

Claims (3)

In the streetlight installed at the end of the street lamp 4 along the road for street lighting, traffic safety, or aesthetics,
The streetlight includes an LED element 1111 as a light source, and receives light and emits light to a lower portion. The streetlight includes a heat dissipation structure. The number of installed LEDs is adjustable according to the required brightness, and includes one to five LED modules 11, (1) comprising a module mounting plate (12) for mounting the LED module (11);
The LED module unit 1 is installed on a lower surface of the LED module 1, and the upper surface of the LED module unit 1 is easily discharged.
A converter 31 installed inside the enclosure 2 for obtaining a direct current output voltage using a switching circuit and supplying power to the LED module 11, 31 and a converter 31 in which the power source terminal unit 32 and the converter 31 are installed, and a power source terminal unit 32 for supplying direct current power to the LED module unit 1 by receiving DC power from the converter, And a converter unit 3 composed of a mounting plate 33,
The enclosure unit 2 includes an enclosure main body 21 which supports the street lamp as a whole and is coupled to the underground lamp 4 and into which power is supplied and the converter unit 3 is installed;
One end is coupled to the one-touch buckle 2123 provided on the enclosure main body 21 and the other end is coupled with the one-touch buckle 2123 provided on the enclosure main body 21, A lower cover part 22 on which the LED module part 1 is installed;
A lid and an inner space which are coupled to an upper portion of the enclosure main body portion 21 to block the upper portion of the enclosure main body portion 21 and an upper space 20 which functions to dissipate heat generated from the LED module portion 1, And a cover portion 23,
A one-touch buckle 2123 for one-touch engagement with the lower cover 22 is formed at the opposite end of the enclosure body 21 to which the backlight 4 is coupled,
The module installation plate 12 is provided with a module installation opening part 121 provided with the LED module 11 and opened to emit light to the lower part, And a plurality of lower cover engaging grooves 123 for engaging the module mounting plate 12 with the lower cover portion 22 are formed in the LED module mounting hole 122, LED street light with adjustable number
The method according to claim 1,
The enclosure main body portion 21 includes a converter built-in portion 211 into which power is supplied and the converter is installed;
An LED module built-in part 212 in which the heat radiating part 14 of the LED module part 1 is embedded, like the lower cover part 22;
A backlight coupling part 213 to which one end of the lower cover part 22 is coupled and the end of the backlighting part 4 is inserted and fixed;
And a streetlight mount coupling cover 214 for covering the upper portion of the streetlight coupling portion 213 to prevent the streetlight coupling portion 213 from being exposed to the outside,
A lower cover coupling part 2131 coupled to the lower lid part 22 so as to rotate the end of the lower lid part 22 and a band 21321 surrounding the circumference of the backlight lid 4, A pair of side light guide grooves 2132 for coupling the end of the side light guide plate 4 with the outer casing 2 and a cover engaging hole 2132 for engaging the side light guide engaging portion cover 214 with the side light guide engaging portion 213, (2135) for inserting the backlight lamp (4)
The lower cover engagement hole 2131 is formed with a lower cover separation prevention pin 21311 for preventing the lower cover engagement portion 2131 from being detached when the lower cover portion 22 is rotated to open and close,
A plurality of mounting plate engaging holes 2111 for fixing the converter mounting plate 33 having the converter 31 and the power inlet member 32 to the enclosure main body 21 are formed in the converter built- Formed,
Between the converter built-in unit 211 and the LED module built-in unit 212 and between the converter built-in unit 211 and the streetlight mount coupling unit 213, a first barrier 2121 and a second barrier 2134 Respectively,
A plurality of upper cover portion coupling holes 2122 for bolt connection with the upper cover portion 23 are formed in the converter built-in portion 211 and the LED module built-in portion 212,
The cover portion of the converter cover 211 and the LED module built-in portion 212 contacting the rim of the lower cover portion 22 may be provided with the airtightness between the enclosure body portion 21 and the lower cover portion 22 The load casing core 215 for the enclosure body is formed,
An upper rim portion of the enclosure main body portion 21 abutting against the rim of the upper cover portion 23 is provided with an annular rim portion 18 for retaining airtightness between the enclosure main portion 21 and the upper cover portion 23 216 are formed,
The lower cover part 22 is provided with a rotation ring protrusion 221 for rotationally coupling with the enclosure body part 21 and an LED module 11 opened to expose the LED module 11 of the LED module part 212 to the outside. A plurality of module mounting plate fasteners 223 for fixing the module mounting plate 12 to the lower cover portion 22 and a plurality of module mounting plate fasteners 223 for fastening the one- And a lower cover packing groove 225 for inserting the load casing core 215 into the cabinet main body 200 is formed on the lower cover part 22 and the lower cover part 22,
A locking projection 2211 is formed at the distal end of the rotation ring projection 221 to prevent the lower cover part 22 from coming off from the lower cover coupling part 2131 when the lower cover part 22 is opened and closed,
A heat dissipating protrusion surface 231 is formed on the outer surface of the upper cover part 23 and includes a plurality of heat dissipating protrusions 2311 for increasing the heat dissipation area in order to increase heat dissipation efficiency of heat generated in the LED module part 1 ,
A plurality of enclosure main body coupling holes 232 for coupling with the enclosure main body 21 and a converter built-in portion 211 of the enclosure main body 21, An upper cover partition wall 233 for separating the interior part 212 in the same manner as the separation of the internal part 212 and a reinforcing rib 234 for reinforcing the strength are formed,
And a packing pressing part (235) including a plurality of packing pressing protrusions (2351) for pressing the outer casing main floating pin (216) is formed on an inner edge of the upper cover part (23) LED street light with adjustable module installation
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