KR101195169B1 - Modular LED Lighting Apparatus - Google Patents

Abstract

The present invention is to modularize the LED lighting unit to be expanded and reduced in response to the required illumination and consumption strategy amount according to the area and place where the street lamp is installed, and adopt a ball joint support structure to the LED assembly to set various orientation angles Accordingly, the present invention relates to an LED lighting device that can maximize assembly efficiency and prevent glare, as well as have a simple and completely removable assembly structure, which is easy to assemble and maintain and greatly reduce production costs.
The present invention includes at least two body modules and a plurality of LED assembly blocks detachably coupled to each of the body modules, and a plurality of LED assemblies mounted on one surface of the plurality of LED assemblies serving as individual light sources by individually setting an orientation angle. And an LED assembly unit, wherein the LED assembly unit is electrically connected as each body module is connected in series.

Description

Modular LED Lighting Apparatus {Modular LED Lighting Apparatus}

The present invention relates to an LED lighting device, and more particularly, to a modular LED lighting device in which the LED lighting unit is modularized so that it can be expanded and reduced in response to the required illumination and consumption strategy according to the region and place where the street lamp is installed. .

In general, the light distribution mainly used for road lighting uses a light distribution curve of the first light distribution type to the fourth light distribution type, and when installed on a road, a street light is used to distribute the road surface through the light distribution having the light distribution curve. It is designed for efficient lighting. When the street lamp uses a bulb-type lamp, light distribution is controlled by adjusting the reflection angle of the reflector provided on the inner surface of the lamp housing.

Recently, street lamps employing high-brightness LEDs (Light Emitting Diodes), which consume little power and emit light with high brightness, have been developed. These high-brightness LEDs have a strong straightness, and in addition to the primary lens when packaging the LED chip to irradiate a large area, 12 ° lens, 25 ° lens to disperse the light emitted from the LED chip in various irradiation range And secondary lenses such as 30 ° and 40 ° lenses. In this way, the street lamp is made of several high-brightness LED modules and is applied to street lamps and security lamps using a plurality of LED modules.

On the other hand, the LED lighting device is disclosed in Korean Patent Publication No. 2009-78712 and Korean Patent Publication No. 2009-43215, respectively.

The LED lighting device disclosed in Korean Patent Publication No. 2009-78712 has a structure in which a plurality of LED modules are mounted on each of a plurality of inclined block members set to have different inclination angles so as to easily design a desired light distribution curve. The LED lighting device is formed along the outer periphery of the circular top plate integrally formed with a housing member having a bowl shape, and a plurality of LED modules are respectively provided on the inner side, the lower side of the upper plate, and the inner side of the housing member. The attached structure is disclosed.

The LED lighting device has a structure in which a plurality of LED modules are mounted on each of a plurality of inclined block members set to have different inclination angles so as to easily design a desired light distribution curve.

 However, this conventional technology has had to create new housings of different sizes in response to the required illumination according to the area and place where the street lamp is installed, and the die-casting mold manufacturing cost caused by this increases the unit cost of the product. It acted as a factor.

In addition, the prior art has a technical difficulty in producing a large housing member, and as a plurality of LED modules mounted inside the housing member, a plurality of power gap wiring and control signal wiring is manually connected inside Because of its complexity, it had a factor of lowering productivity.

In addition, it is required to provide a set of 12 inclined block members in various combinations, for example, in which a plurality of LED modules are mounted according to the type of light distribution curve according to the place, region (local government), and country where the lighting device is installed. It also contributed to an increase in die casting mold cost.

Furthermore, the assembly of the screw is difficult due to the screw assembly of the metal PCB in which a plurality of LEDs are mounted on one inclined block member and the screw assembly of the plurality of inclined block members with respect to the housing member, and the glass cover for replacement of the failed inclined block member. In order to dismantle the inclined block and the upper PCB, more than 10 screw removal operations are required, and thus the maintenance is not easy.

In addition, the LED-mounted metal PCB assembled to one inclined block member has three LEDs, and each of these three LEDs is packaged to face one direction, so it was recognized as a single light source. Therefore, there is a problem in that the direction of irradiation of the mounted LEDs is not effectively distributed, so the maximization of the uniformity is not attained.

Moreover, the conventional technology is that the LED mounting surface of the inclined block member is manufactured at a predetermined angle, and thus a predetermined number of LEDs illuminate the road surface regularly from one direction with a single light source, which is directly irradiated to the driver and pedestrian. Because of the large amount of light there was a problem of severe glare.

In addition, the conventional streetlight does not have an effective self-cleaning ability by cleaning the dust or foreign matter attached to the protective cover by using rain water, so that the deterioration of efficiency cannot be prevented without cleaning by manpower over time. There is.

The present invention has been proposed to solve the above problems, the object of which is to modularize the LED lighting unit modular LED lighting device that can be expanded and reduced in response to the required illumination according to the area and place where the street lamp is installed To provide.

Another object of the present invention is to provide an LED lighting device having a self-purification ability to wash the protective cover of the LED assembly block by rain water.

Another object of the present invention is a module that is easy to assemble and maintain, and significantly improve productivity and workability by employing a complete removable assembly structure between a plurality of LED assemblies and block bodies, a plurality of LED assembly blocks and body modules. To provide a type LED lighting device.

Another object of the present invention is to adopt a ball joint support structure in the LED assembly, the LED assembly having a ball joint support structure that can facilitate the light distribution curve design of the luminaires according to the setting of the respective various angles of alignment and maximize the uniformity as a result It is to provide a modular LED lighting device including a removable LED assembly block.

Another object of the present invention is to easily set various orientation angles of each of the LED assembly to randomly arrange the illumination position of each light source, so that the reflection of light transmitted to the driver's and pedestrian's eyes at night, especially during rain It is to provide a LED lighting device for the street lamp that can minimize the glare by reducing the amount.

In order to achieve the above object, the present invention is composed of a plurality of LED assembly units that are electrically connected as connected in series, the plurality of LED assembly units each has a body module having a pair of opposite sides; And a pair of LED assembly blocks detachably coupled to the pair of opposite sides of the body module, respectively.

Each of the pair of LED assembly blocks has a plurality of LED assemblies mounted on one surface of the block body to serve as a separate light source is set individually the orientation angle; And a protective cover detachably mounted to the LED assembly block to cover the plurality of LED assemblies.

The body module may form a rainwater guide on an upper surface of the body module so that the protection cover can be self-made by the rainwater flowing down the rainwater to the protective cover. In this case, the plurality of LED assembly blocks are electrically connected at the same time as the assembly with the body module, it is preferable to guide the rainwater guided to the rainwater guide portion through the groove formed in the connection portion to the upper side of the protective cover.

The LED assembly block includes a block body having a mounting portion for mounting the plurality of LED assemblies on the inner side and a plurality of heat dissipation fins for radiating heat generated from the LED assembly on the outer side; A plurality of LED assemblies detachably mounted on an inner surface of the block body and individually set in an orientation angle; And a protective cover detachably mounted to the LED assembly block to cover the inner surfaces of the plurality of LED assemblies.

In this case, the LED assembly block is arranged vertically along the LED assembly block so that rain water flows down between the plurality of heat dissipation fins, and to guide rain water flowing along the plurality of heat dissipation fins to the side of the protective cover. It may include a rainwater guide passage formed to cross the plurality of heat radiation fins. The rainwater guide passage is preferably formed in an inverted V shape to guide rainwater to both sides of the protective cover.

The plurality of LED assembly blocks may be electrically connected in one step at the same time as assembly with the body module.

The body module may have first connection terminals disposed at both sides thereof, and the plurality of LED assembly blocks may include second connection terminals connected to the plurality of first connection terminals, respectively.

The body module may include a cylindrical fastening protrusion surrounding the first connection terminal, and the plurality of LED assembly blocks may include a fixing nut screwed to an outer circumference of the second connection terminal, and the plurality of LED assembly blocks may include: A part of the fixing nut is partially screwed to the fastening protrusion, and it is possible to be detachably connected to the body module.

The plurality of LED assembly blocks each have a pair of assembling protrusions on the left and right sides of the second connection terminal, and the body module may include a pair of assembling grooves into which the pair of assembling protrusions are inserted at the left and right sides of the first connection terminal. Can be.

The LED assembly block may include a block body having a mounting portion to which the plurality of LED assemblies are mounted, and the mounting portion may of course include at least one pair of elastic wires to which both ends of the LED assembly are elastically coupled.

The LED assembly includes an LED package having an LED chip therein; A movable support portion having the LED package mounted on an upper surface thereof and having a ball-shaped connection portion at a lower side thereof; And a fixed support part in which a ball-shaped connecting part of the movable support part is fluidly supported. The angle of the movable support part may be adjusted to set an orientation angle of light emitted from the LED chip. In this case, the fixed support is preferably provided with a pair of engaging projections elastically fastened to the elastic wire.

The block body may include a power distribution unit for distributing power to a plurality of LED assemblies. The plurality of LED assemblies are arranged in a plurality of rows, the power distribution unit, a constant current substrate to receive power from the outside; A plurality of power patterns arranged along each of the columns; And a bus bar for distributing power applied from the constant current substrate into a plurality of power patterns.

It is preferable that the fixed support portion has a connection groove having a spherical inner peripheral portion into which the ball-shaped connection portion is inserted. In this case, it is preferable that the fixed support part is inserted into the connection groove to caulk the inlet of the connection groove to prevent the connection groove from being opened due to heat concentration generated from the movable support part. In addition, it is preferable to fill a thermal lubricant between the outer peripheral portion of the connecting portion and the connecting groove.

The movable support and the fixed support may be made of any one of Al alloy, Mg alloy, Al graphite alloy, Cu alloy and Ag alloy.

It is preferable that the inside of each of the movable support and the fixed support communicates with the power supply wiring from the outside of the fixed support to the LED package.

And at least one connection support portion between the movable support portion and the fixed support portion, wherein the connection support portion is supported by a ball-shaped connection portion of the movable support portion at an upper side thereof so as to be flowable, and has a ball-shaped connection portion formed at a lower side thereof. The support part is movably supported, and the angle of the movable support part can be bent in multiple stages to set the orientation angle. In this case, it is preferable that the inside of each of the movable support part, the connection support part, and the fixed support part communicate with each other so that the power supply wiring is connected to the LED package from the outside of the fixed support part.

The LED package is a metal substrate on which the LED chip is mounted; A first symmetrical lens for dispersing light having strong straightness emitted from the LED chip; And an asymmetric second lens surrounding the first lens.

In addition, according to another feature of the invention, the present invention comprises a rectangular body module; One end of the block body is detachably coupled to opposite sides of the body module, and a plurality of LED assemblies are mounted on the inner side of the block body, and a protective cover covering the plurality of LED assemblies is respectively coupled to the inner side. And at least one LED assembly unit including a pair of LED assembly blocks, wherein the LED assembly units are electrically connected as each body module is connected in series, and the pair of LED assembly blocks is connected to the body module. Provided is an LED lighting device, characterized in that assembled and electrically connected at the same time.

As described above, in the present invention, since the LED lighting unit can be modularized and installed and reduced in an appropriate number in accordance with the required illumination according to the area and place where the street lamp is installed, housings of different sizes required in each case This eliminates the hassle of having to manufacture a new one, and therefore, there is no need to manufacture a mold, thereby greatly reducing manufacturing costs.

In addition, the present invention guides the rainwater to the upper side of the protective cover through the rainwater guide portion inclined to the upper surface of the body module and guides the rainwater to both sides of the protective cover through the rainwater induction passage formed in the LED assembly block, rainwater protection cover As it flows outside, it has a self-cleaning ability to clean dust or foreign matter attached to the protective cover, thereby preventing deterioration of efficiency.

In addition, the present invention has a simple body module, and by forming a plurality of LED assembly blocks assembled to the body module in a fully removable assembly structure, as well as the assembly is made quickly and easy to maintain, greatly improving productivity and workability Can be improved.

In addition, since the orientation angles of the plurality of LED assemblies can be freely adjusted individually, it is easy to design a light distribution curve and has an advantage of maximizing uniformity.

In addition, the present invention can minimize the glare by reducing the amount of light from one direction to be reflected to the road surface at night, especially in the rain when the lighting position of each light source is randomly disposed to the driver and pedestrians.

1 is a perspective view showing a modular LED lighting device according to an embodiment of the present invention,
2 is an exploded perspective view showing a modular LED lighting unit shown in FIG.
3 is a perspective view showing the rear of the LED lighting unit in FIG.
4 is a perspective view showing the LED assembly block shown in FIG.
5 is a perspective view showing an LED assembly block in a state of removing a plurality of LED assemblies;
6 is a perspective view showing the LED assembly shown in FIG.
FIG. 7 is a longitudinal sectional view showing the LED assembly shown in FIG. 6; FIG.
8 is a longitudinal cross-sectional view illustrating another example of the LED assembly illustrated in FIG. 6.

Hereinafter, with reference to the accompanying drawings will be described the configuration of the modular LED lighting device of the present invention.

1 to 3, in the LED lighting device 1 according to an embodiment of the present invention, a plurality of LED lighting units 1a are connected in series, in which case each LED lighting unit 1a has a square shape. It consists of a single module comprising a pair of LED assembly blocks 100 electrically connected to both the body module 10 and the opposing sides of the body module 10 on.

The modular LED lighting unit (1a) can be added or reduced in a predetermined number of installation, and thus can flexibly respond to the required illuminance according to the region and place where the street light is installed. This not only eliminates the hassle of having to newly produce housings of different sizes required in each case as in the related art, but also greatly reduces manufacturing costs by omitting the cost of mold making.

The body module 10 includes an upper body 10a and a lower body having a space for installing a power supply device (not shown) including a circuit board (not shown) and an AC / DC converter (not shown). It consists of 10b. In this case, the power supply device has a circuit wiring electrically connected to the LED assembly block 100 on one side of the circuit board, and an AC / DC converter is provided in a part of the power supply device. For example, the AC / DC converter may use a switching mode power supply (SMPS).

The circuit wiring arranged on the outer circumferential portion of the circuit board 11 is composed of a power supply wiring and a control signal wiring, and is electrically connected to the AC / DC converter 13. The power supply wiring and the control signal wiring are connected to the first connection terminal 17 connected to the second connection terminal 117 of the plurality of LED assembly blocks 100 coupled to the outer circumference of the body module 10. Apply power and control signals to the LED assembly block 100.

Meanwhile, as described above, when each LED lighting unit 1a includes a power supply device, each LED lighting unit 1a has a small capacity of 15W, and is provided in a single LED lighting unit 1a. As the number of LED assemblies 200 increases, when the capacity of each LED lighting unit 1a is large, a separate large-capacity power supply 7 may be installed and used inside the arm 5. Reference numeral 3 in FIG. 1 denotes a post.

In the body module 10, the upper body 10a may be made of a metal material having excellent thermal conductivity such as Al, or the upper body may be made of an insulator in order to protect it from lightning, and the upper body 10a may be predetermined. The insulator is preferably made of engineering plastic so as to have a rigidity of.

The body module 10 has coupling protrusions 10c and coupling grooves 10d respectively formed in front and rear of the coupling direction of the LED lighting unit 1a. The coupling protrusions 10c are arranged in parallel in the vertical direction and the coupling grooves 10d are arranged in the horizontal direction so that the coupling protrusions 10c and the coupling grooves 10d are substantially orthogonal to each other. 1a) is to prevent the separation after mutual coupling with the adjacent LED lighting unit (1a).

That is, when the engaging projection 10c of the rear LED lighting unit 1a is coupled to the engaging groove 1d of the front LED lighting unit 1a, the rear LED lighting unit 1a is connected to the front LED lighting unit 1a. Rotate 90 ° so as to be approximately orthogonal to (1a) to match the engaging projection 10c to the engaging groove 10d, and then insert the engaging projection 10c. In this state, the rear LED lighting unit 1a is rotated 90 degrees again to assemble the front / rear LED lighting units 1a so as to coincide in the horizontal direction.

The assembled front / rear LED lighting units 1a may have a problem in that they rotate with respect to the coupling protrusion 1c. Therefore, the body module 10 includes an anti-rotation structure for preventing the rotation of the assembled front and rear LED lighting unit (1a).

The anti-rotation structure includes a hook 11b pivotally coupled to the tip of the upper body 10a of the body module 10 and a locking groove 11c formed at the rear end thereof. The hook 11b and the engaging groove 11c are formed to form a straight line with the protrusion bar 11a protruding in the coupling direction of the LED lighting unit 1a at the center of the upper body 10a.

As described above, each LED assembly unit 1a inserts the hook 11b of the rear LED lighting unit 1a into the locking groove 11c of the front LED assembly unit 1a so that the LED assembly units 1a are connected in series with each other in front and rear. The rotation is prevented by external force such as strong wind.

In this case, when the hook 11b is inserted into the locking groove 11c, each LED lighting unit 1a is provided with a connection terminal inside the hook 11b and the locking groove 11c so as to be electrically connected to each other.

In addition, the upper body 10a is formed with rainwater guides 12a and 12b having both sides inclined downward with respect to the protrusion bar 11a. The rainwater guides 12a and 12b are formed to gradually narrow in width toward the end of the upper body 10a from the protruding bar 11a and to deepen the depth of the valley to drain the rainwater into the grooves 16 to be described later.

As such, the rainwater guides 12a and 12b prevent water from accumulating in the upper body 10a when snow or rain is introduced, and induce rainwater to drain into the grooves 16, so that rainwater is naturally located below the grooves 16. From the upper side of the protective cover 115 to flow along the outside of the protective cover 115. As a result, the protective cover 115 may be self-cleaning to prevent the light transmittance of the protective cover 115 from being lowered due to dust or foreign matter, and to maintain a transparent state.

The present invention has the ability to self-clean the protective cover 115 through the rainwater guide portion (12a, 12b), as well as double by the rainwater guide passage 113 formed in the LED assembly block 100 to be described later The protective cover 115 may be cleaned. The self-cleaning function by the rainwater guide passage 113 will be described together with the detailed configuration of the LED assembly block 100 below.

Meanwhile, the body module 10 has grooves 16 formed on mounting surfaces of both sides on which the LED assembly block 100 is mounted, and the groove 16 has a second connection terminal 117 of the LED assembly block 100. Is connected to the first connection terminal 17.

For example, the first connection terminal 17 includes four pairs of power supply wires connected to a circuit board and a pair of control signal wires, respectively, and connected to the second connection terminal 117. Power is applied to the constant current substrate 151 of the LED assembly block 100 (see FIG. 5). The first connection terminal 17 is surrounded by a cylindrical fastening protrusion 18 having a screw thread formed on its outer circumference, and the fastening protrusion 18 is fastened to the fixing nut 118 of the LED assembly block 100.

In addition, a pair of assembling grooves 19a and 19b are formed at both sides of the first mounting terminal 17 on two mounting surfaces of the body module 10, respectively. The pair of assembly protrusions 119a and 119b of the LED assembly block 100 is inserted into and fixed to the assembly grooves 19a and 19b to suppress left / right flow. At this time, when the LED assembly block 100 is assembled to the body module 10, the assembly protrusions 119a and 119b are inserted into the assembly grooves 19a and 19b, thereby coupling the LED assembly block 100 to the body module 10. After the LED assembly block 100 can be prevented from inclining in one direction and the reverse direction around the fastening protrusion 18.

4 and 5, the LED assembly block 100 includes a block body 110, a mounting unit 130, and a plurality of LED assemblies 200.

The block body 110 supports a plurality of LED assemblies 200 simultaneously with a heat sink function for dissipating heat emitted from the plurality of LED assemblies 200. To this end, the block body 110 has a plurality of heat dissipation fins 111 protruding integrally formed on the outside, the mounting portion 130 is formed in the plurality of LED assembly 200 is elastically coupled and fixed.

The plurality of heat dissipation fins 111 are formed parallel to the vertical direction along the block body 110 to guide the snow or rainwater falling on the block body 110 to naturally drain downward.

In this case, the block body 110 is provided with a rainwater guide passage 113 to gently cross the center of the plurality of heat radiation fins 111 at a predetermined angle downward. The rainwater guide passage 113 has an approximately inverted V shape and guides rainwater flowing between the heat dissipation fins 111 to the side of the protective cover 115 to flow along the side of the protective cover 115 to wash the protective cover 115. do.

At this time, the rainwater flowing down between the heat dissipation fins 111 located on the upper side of the rainwater guide passage 113, the rainwater flowing into the rainwater guide passages 113 is formed between the dam fins 111 along the bottom of the rainwater guide passages 113. By preventing the further flow down by) guides to flow along the rainwater guide passage (113).

In addition, the block body 110 is provided with a protective cover 115 surrounding the mounting portion 130 to protect the plurality of LED assembly 200. The protective cover 115 has a pair of coupling tabs 115a protruding from both sides, and the coupling tabs 115a have coupling holes 115b for snapping the coupling hooks 110a protruding from both sides of the block body 110. Is formed.

In addition, the block body 110 has a second connecting terminal 117 is disposed on the upper end in close contact with the mounting surface of the body module 110, the fixing nut 118 is disposed on the outer circumference of the second connection terminal 117. The first connection terminal 17 of the body module 10 is inserted into the second connection terminal 117. In this case, waterproofing between the first and second connection terminals 17 and 117 corresponds to, for example, IP67 degree of protection. It is desirable to fabricate to ensure sealing property.

In addition, as the fixing nut 118 is fastened to the fastening protrusion 18 of the body module 10, the block body 110 may be easily assembled to the body module 10. In addition, the coupling between the fixing nut 118 and the fastening protrusion 18 also prevents the interconnection between the first and second connection terminals 17 and 117 from being separated.

In addition, the block body 110 has a pair of assembling protrusions 119a and 119b protruding from both sides of the second connection terminal 117. The pair of assembling protrusions 119a and 119b are inserted into the assembly grooves 19a and 19b of the body module 10. As a result, the block body 110 assembled to the body module 10 may be impacted by a street lamp. Prevents inclination or posture change by external force such as vibration. In this way, the posture of the block body 110 can be maintained as it is without change, so that the light distribution curve set once when the street lamp is installed can accurately illuminate a desired area.

The mounting unit 130 is an area for fixing the plurality of LED assemblies 200 to the body block 110, and includes a plurality of mounting grooves 131 and a plurality of elastic wires 133a and 133b. In this embodiment, three LED assemblies 200 are arranged in one column, and arranged in total of three columns. The number per column of the LED assembly 200 and the total number of columns can be freely set in consideration of various conditions such as the lighting area of the street light, the installation place.

The seating grooves 131 are arranged in total to correspond to the arrangement of the plurality of LED assembly 200, each seating groove 131 is formed in a shape corresponding to the bottom surface of the fixed support portion 250 of the LED assembly (200). In this case, the mounting groove 131 is inserted into the bottom of the fixed support 250 of the LED assembly 200, wherein a pair of coupling protrusions (255a, 255b) protruding to both sides of the bottom of the fixed support 250 is inserted together. Extension grooves (131a) is formed extending to both sides of the mounting groove (131).

As the mounting groove 131 is inserted into the bottom of the fixed support 250, the coupling support 255a and 255b are inserted into the extension groove 131a, and thus the bottom of the seating groove 131 has a substantially circular shape. Can prevent rotating.

The pair of elastic wires 131a and 131b are disposed adjacent to the mounting groove 131 so as to cover the extension groove 131a in each row. Each of the elastic wires 133a and 133b is fixed to the block body 110 by a plurality of fasteners 135. In this case, the pair of elastic wires 131a and 131b may be elastically mounted to the mounting recess 131 as the LED assembly 200 is snap-coupled with the coupling protrusions 255a and 255b of the fixed support 250. .

The power distribution unit 150 includes a constant current substrate 151, a plurality of power patterns 153a, 153b, and 153c, and a bus bar 155. The constant current substrate 151 is installed at one side of the mounting unit 130 and connected to the second connection terminal 117 to supply direct current (DC) power supplied from the AC / DC converter 13 of the power supply device 12 to each LED. Supply to assembly 200.

The constant current substrate 151 exemplified in the present embodiment selectively selects three types of constant current substrates 151 capable of providing corresponding voltages of 33.2 V, respectively, corresponding to the number of LED assemblies 200 assembled to the mounting unit 130. Can be used as

For example, a constant current substrate capable of applying a voltage of 9 V is used when three LED assemblies 200 are used in the block body 110, and a voltage of 20 V may be applied when six LED assemblies 200 are used. Constant current substrates are used.

In addition, when nine LED assemblies 200 are used, constant current substrates having a boost-up circuit and a voltage of 28V may be applied to supply a uniform voltage of 33.2V, respectively. Therefore, the constant current substrate 151 may stably supply the voltage of 24V applied from the AC / DC converter 13 to 28V through the boost-up circuit to the nine LED assemblies 200.

The plurality of power patterns 153a, 153b, and 153c are disposed to cross the plurality of mounting grooves 131 along each column. In this case, each seating groove 131 is provided with a connector 154 connected to the LED assembly 200, and the plurality of power patterns 153a, 153b, and 153c are electrically connected to the connectors 154, respectively.

When the connector 154 is mounted to the mounting unit 130, the LED assembly 200 is snap-coupled through elastic wires 133a and 133b such as a piano wire, for example, and the inside of the fixed support 230 of the LED assembly 200. It is electrically connected to the connector 259 disposed in the. Accordingly, the mechanical and electrical connection is made in one step only by mounting the LED assembly 200 to the mounting unit 130. Therefore, the worker can install the LED assembly 200 to the block body 110 quickly and easily.

The bus bar 155 is disposed at a right angle with respect to the plurality of power patterns 153a, 153b, and 153c on one side of the mounting unit 130. The bus bar 155 electrically connects the bus bar 155 and the plurality of power patterns 153a, 153b, and 153c to distribute the power applied from the constant current substrate 151 to the plurality of power patterns 153a, 153b, and 153c. Connect with

6 and 7, the plurality of LED assemblies 200 each include an LED package 210, a movable support 230, and a fixed support 250.

The LED package 210 includes an LED chip 211 therein and is mounted on the metal substrate 213. In this case, the metal substrate 213 is formed in a star shape which protrudes radially regularly for heat dissipation. In addition, the LED package 210 includes a first lens 215 and a second lens 217 surrounding the first lens 215 in order to disperse the strong straightness emitted from the LED on the image side.

The second lens 217 employs an asymmetric lens to enable asymmetric light distribution. The second lens 217 may disperse light during illumination to avoid light concentration emitted from the LED assembly 200 and to illuminate a wider area than the symmetric lens.

The movable support 230 is a metal substrate 213 mounted with the LED package 210 is fixed to the upper portion, the lower portion of the ball (joint) of the ball (joint) that is movably coupled to the fixed support 250 ) Is formed.

The fixed support part 250 has a connection groove 251 to which the connection part 231 of the movable support part 230 is coupled to the upper part, and the connection groove 251 is a connection part so that the connection part 231 can slide and flow. It has a spherical inner peripheral groove shape corresponding to the (231). In this case, a thermal lubricant is filled between the outer circumference of the connecting portion 231 and the connecting groove 251.

The connecting groove 251 is preferably inserted into the connecting portion 231 of the movable support 230, the inlet 253 of the connecting groove 251 is preferably finished by the coking process operation. The reason for performing such coking process is as follows. Heat condensation occurs at the center 232 of the movable support 231 concave, which causes high heat to be transferred to the inlet 253 of the connection groove 251 adjacent to the center 232 of the movable support 231. May occur towards the side. When the inlet 253 of the connecting groove 251 opens in this way, the coupling between the connecting portion 231 and the connecting groove 251 is loosened, and thus, the movable support 230 which is preset at a predetermined orientation angle is not fixed. There is a fear that the orientation angle is changed by its own weight. Therefore, the above problem due to heat concentration can be prevented by performing the caulking treatment as described above.

In addition, the embodiment is a ball joint is formed in the movable support 230, the connection groove is formed in the fixed support 250, on the contrary, a ball joint is formed in the fixed support and the connection groove is formed in the movable support It is possible.

The ball joint formed on the movable support 230 or the fixed support 250 and the ball joint accommodating portion for pivotally supporting the ball joint to the fixed support 250 or the movable support 230 form flow support means. do.

Meanwhile, the caulking process may be performed after setting the movable support 230 at a desired angle in advance, and preferably, setting the angle of the movable support 230 after performing the caulking process first may increase work efficiency.

In addition, the fixed support part 250 has a pair of coupling protrusions 255a and 255b which are snap-coupled to the elastic wires 133a and 133b on both sides of the lower end.

The movable support part 230 and the fixed support part 250 have communication holes 233 and 257 communicating with each other, respectively, and the power supply wiring L is connected to the fixed support part 250 through the communication holes 233 and 257. It is connected to the LED package 210 from the connector 259.

In addition, the movable support 230 and the fixed support 250 is a metal material having excellent thermal conductivity, for example, Al alloy, Mg alloy, Al graphite alloy, Cu alloy in order to transfer the heat emitted from the LED chip 211 to the outside And Ag alloy is preferable.

When the LED package 210 configured as described above is applied power to the LED chip 211 inside through the power supply wiring (L), the heat generated from the LED chip 211 is a metal substrate 213, the movable support portion The heat transfer is made to the plurality of heat dissipation fins 111 through the thermal lubricant 230, the thermal lubricant, the fixed support part 250, and the block body 110.

Each of the plurality of LED assemblies 200 may be bent at various angles with respect to the fixed support unit 250 as described above, so that the orientation angles of all the LED assemblies 200 can be freely set and the angle It is of course also possible to reset the orientation angle after setting. Accordingly, when nine LEDs are installed in a conventional technology, that is, when three LEDs form a single spot, all three LEDs have three spots, whereas in the present invention, nine LED assemblies 200 are provided. Since each has a single spot, all have nine spots, so that the leveling agent can be improved at least three times as compared with the prior art.

In addition, the LED assembly 200 may be used as a single light source, unlike the prior art, and set the orientation angle of the plurality of LED assembly 200 freely when lighting on the ground to distribute the light emitted from each LED assembly 200 By randomly arranging within the curve, the amount of light is kept the same as before, and the light reflected on the road surface in rainy weather can be minimized to minimize glare.

When the LED assembly 200 has a structure in which the movable support 230 is automatically adjusted from the fixed support 250 using an automatic orientation angle setting device (not shown), the operator selects a desired light distribution curve. Multiple LED assemblies 200 can be automatically set to an appropriate orientation angle.

Referring to FIG. 8, the LED assembly 200a may be configured to be bent in two stages, and thus the LED assembly 200 being bent in one stage may be adjusted to about 30 ° to 45 °. It can be adjusted from 60 ° to 90 °, which is twice as much, allowing a wider orientation angle.

The LED assembly 200a arranges the connection support part 270 between the movable support part 230 and the fixed support part 250, and the connection support part 270 is a ball joint with respect to the movable support part 230 and the fixed support part 250, respectively. (ball joint) is connected.

The connection support part 270 has a connection groove 275 in which a ball-shaped connection part 231 of the movable support part 230 is inserted in a movable manner, and a connection groove 251 of the fixed support part 250 is formed in the lower part of the connection support part 270. A ball-shaped connecting portion 271 is slidably inserted into the tube.

In this case, the connection support part 270 includes a communication hole 273 communicating with the communication support holes 233 and 257 of the movable support part 230 and the fixed support part 250 so that the power supply wiring L passes therethrough. do.

As described above, in the present invention, since the LED lighting unit (1a) can be modularized to be added and reduced in an appropriate number corresponding to the required illumination according to the area and place where the street lamp is installed, different sizes required in each case This eliminates the hassle of making a new housing and eliminates the need for mold making, thus greatly reducing manufacturing costs.

In addition, the present invention guides rainwater to the upper side of the protective cover 115 through the rainwater guide portion (12a, 12b) inclined to the upper surface of the body module 10 and the rainwater guide passage formed in the LED assembly block (100) The rainwater is guided to both sides of the protective cover 115 through 113, and the rainwater flows out of the protective cover 115 to have a self-cleaning ability to clean dust or foreign matter attached to the protective cover, thereby preventing a decrease in efficiency. Can be.

Furthermore, in the present invention, when AC power is applied from the outside, AC / DC conversion is performed in the power supply device so that the DC power supply and the control signal are transmitted through the first connection terminal 17 and the second connection terminal 117 for each LED assembly block. Applied to the constant current substrate 151 of 100, power is supplied from the constant current substrate 151 to the plurality of LED assemblies 200 through the bus bar 155 and the power supply patterns 153a to 153c to provide LED chips 211. ) Is driven.

In addition, in the present invention, within the plurality of LED assembly blocks 100 set at different orientation angles, the plurality of LED assemblies 200 adopt ball joint support structures, respectively, so that the lighting devices (luminaires) are individually set according to various orientation angle settings. The light distribution curve can be easily designed and the result can be maximized.

In addition, the present invention employs a complete removable assembly structure between the plurality of LED assembly 200 and the block body 110, a plurality of LED assembly block 100 and the body module 10, easy to assemble and maintain and Productivity and workability can be greatly improved.

In addition, in the present invention, as each component is miniaturized and has a simple structure, as well as reducing the production cost, the LED assembly 200 adopts a ball joint support structure so that standardization can be easily made and easy to maintain.

In the present invention, it is easy to set a variety of individual orientation angles of each of the LED assembly 200 by randomly arranging the illumination position of each light source, the amount of light that is reflected on the road surface at night, especially in rainy weather and transmitted to the eyes of drivers and pedestrians To reduce glare.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

1a: LED lighting unit 10: body module
11a: hook 11b: locking groove
12a, 12b: rainwater guide 18: fastening protrusion
19a, 19b: Assembly groove 100: LED assembly block
110: block body 113: rainwater guide passage
115: protective cover 118: fixing nut
119a and 119b: Assembly protrusion 130: Mounting part
133a and 133b: elastic wire 150: power distribution
151: constant current substrates 153a, 153b, 153c: power supply pattern
155: bus bar 200: LED assembly
210: LED package 230: movable support
231, 271: connection part 250: fixed support part
251, 275: connection groove 270: connection support

Claims (19)

It consists of a plurality of LED assembly units that are electrically connected as they are connected in series,
The plurality of LED assembly unit
A body module having a pair of opposite sides, respectively; And
LED lighting device, characterized in that it comprises a pair of LED assembly blocks that are each detachably coupled to a pair of opposite sides of the body module. The method of claim 1, wherein each of the pair of LED assembly blocks
A plurality of LED assemblies each of which is set on an orientation angle to serve as individual light sources and mounted on one surface of a block body; And
And a protective cover detachably mounted to the LED assembly block to cover the plurality of LED assemblies. According to claim 2, The body module LED lighting device, characterized in that the rain water guide portion is formed on the upper surface of the body module so that the protective cover can be self-cleaned by the rain water flowing down to the protective cover side. The method of claim 3, wherein the LED assembly block is electrically connected to the body module and the assembly at the same time, through the groove formed in the connection portion guides the rainwater guided to the rainwater guide portion to the upper side of the protective cover LED lighting device. The method of claim 2, wherein the LED assembly block
A block body having a mounting portion to which the plurality of LED assemblies are mounted on an inner side and a plurality of heat dissipation fins for dissipating heat generated from the LED assembly on an outer side thereof;
A plurality of LED assemblies detachably mounted on an inner surface of the block body and individually set in an orientation angle; And
And a protective cover detachably mounted to the LED assembly block to cover the inner surfaces of the plurality of LED assemblies. The side surface of the protective cover of claim 5, wherein the LED assembly block is arranged vertically along the LED assembly block such that rain water flows down between the plurality of heat dissipation fins, and the rain water flowing along the plurality of heat dissipation fins. LED lighting device comprising a rainwater guide passage formed to cross the plurality of heat dissipation fins to guide to. The LED lighting apparatus of claim 6, wherein the rainwater guide passage has an inverted V shape to guide rainwater to both sides of the protective cover. The LED lighting device of claim 1, wherein the LED assembly block is electrically connected to the body module at the same time of assembly. The method of claim 8, wherein the body module has a first connection terminal is disposed on both sides, respectively, the pair of LED assembly blocks each of which has a second connection terminal connected to the first connection terminal on the top LED lighting device. The method of claim 9, wherein the body module has a cylindrical fastening protrusion surrounding the first connection terminal, the LED assembly block has a fixing nut screwed to the outer periphery of the second connection terminal,
The LED assembly block is a part of the fixing nut to the fastening protrusion is partially screwed LED lighting device, characterized in that connected to the body module detachably. The pair of assembly of claim 8, wherein each of the LED assembly blocks includes a pair of assembling protrusions on the left and right sides of the second connection terminal, and the body module has the pair of assembling protrusions inserted into the left and right sides of the first connection terminal. LED lighting device comprising a groove. The method of claim 1, wherein the LED assembly block comprises a block body having a mounting portion for mounting a plurality of LED assemblies,
The mounting unit LED lighting device, characterized in that it comprises at least one pair of elastic wires that are elastically coupled to both ends of the LED assembly. The method of claim 12, wherein the LED assembly,
LED package inside the LED chip;
A movable support portion having the LED package mounted on an upper surface thereof and having a ball-shaped connection portion at a lower side thereof; And
And a fixed support part in which a ball-shaped connection part of the movable support part is supported to be movable.
LED lighting apparatus, characterized in that for setting the orientation angle of the light emitted from the LED chip by adjusting the angle of the movable support. The method of claim 13, wherein the LED package,
A metal substrate on which an LED chip is mounted;
A first symmetrical lens for dispersing light having strong straightness emitted from the LED chip; And
LED lighting device characterized in that it comprises an asymmetrical second lens surrounding the first lens. A rectangular body module;
One end of the block body is detachably coupled to opposite sides of the body module, and a plurality of LED assemblies are mounted on the inner side of the block body, and a protective cover covering the plurality of LED assemblies is respectively coupled to the inner side. And at least one LED assembly unit comprising a pair of LED assembly blocks.
The LED assembly unit is electrically connected as each body module is connected in series, the pair of LED assembly block is assembled to the body module LED lighting device, characterized in that electrically connected at the same time. The LED lighting apparatus of claim 15, wherein the body module has a rainwater guide portion formed on an upper surface of the body module so that the protection cover can be self-cleaned by rainwater flowing down to the protective cover. The protective cover of claim 15, wherein the LED assembly block includes a plurality of heat dissipation fins arranged vertically along the LED assembly block so that rain water flows down an outer surface thereof, and the rain cover flowing down the plurality of heat dissipation fins is disposed on the protective cover. LED lighting device comprising a rainwater guide passage formed to cross the plurality of heat radiation fins to guide to the side of the. The LED lighting apparatus of claim 15, wherein the plurality of LED assemblies serve as individual light sources by individually setting an orientation angle. The method of claim 15, wherein the LED assembly,
LED package inside the LED chip;
A movable support portion having the LED package mounted on an upper surface thereof and having a ball-shaped connection portion at a lower side thereof; And
And a fixed support part in which a ball-shaped connection part of the movable support part is supported to be movable.
LED lighting apparatus, characterized in that for setting the orientation angle of the light emitted from the LED chip by adjusting the angle of the movable support.

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