KR20170043064A - Lighting installation with horizontally expandable structure - Google Patents

Abstract

The present invention relates to a lighting device having a horizontally expandable coupling structure including a LED lighting module including a plurality of LED elements and a module support bracket coupled to the LED lighting module through a connector attaching/detaching method and capable of electrically horizontally expandable being attached to or detached from at least one adjacent lighting device. According to a preferred embodiment, in the lighting device of the present invention, as a connector mounting port of LED lighting module including an external housing and a heat dissipation member is coupled to a module coupling connecter provided on a module support bracket through forced insertion, the LED lighting module is coupled to the module support bracket. In addition, for a bracket coupling part and a bracket coupling groove respectively defined in four-side surfaces of the module support bracket, as a bracket coupling groove defined in the module support bracket of the adjacent lighting device is coupled to the bracket coupling part through an attaching/detaching method, a plurality of lighting devices can be expanded in a horizontal connection method.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a lighting apparatus having a horizontally-

The present invention relates to a lighting device having a horizontally expandable coupling structure, and more particularly to a lighting device having a lighting module (in particular, a light emitting diode (LED) lighting module) To a lighting apparatus having a horizontally expandable coupling structure designed to have extensibility.

As is well known, in order to solve the disadvantage of relatively short life span and high power consumption caused by conventional incandescent lamps or fluorescent lamps, various lighting apparatuses employing LED elements with high luminance / low power consumption have been proposed in various forms, .

The LED lighting device has an efficiency of more than 50% (relative to fluorescent lamp) to 90% (compared to incandescent lamp) compared to conventional lighting and has an average lifetime of 3-50,000 hours, which is longer than the fluorescent lamp (approximately 8000 hours) It is possible to reduce costs remarkably.

In addition, the LED lighting device is a compact light source, and it can realize various colors. Therefore, it has a very high value in various fields including lighting art, and the emission of carbon dioxide is much higher than that of a fluorescent lamp without using harmful substances such as mercury It does not emit harmful wavelengths such as ultraviolet rays (inducing insect pests or insects) or infrared rays (which causes heat to increase, leading to increase in heating and cooling ratio), and is advantageous in protecting the eyesight because there is no reduction in brightness or flashing in the three- do.

Typically, the LED lighting apparatus is provided with at least one LED module having a plurality of LED elements arranged in a thin plate-shaped substrate, the LED module being disposed inside an outer case or an outer cover, A transparent translucent plate is detachably coupled to the front surface.

In addition, an AC-DC converter (or a ballast) for stably forming an operating power to be supplied to the LED element is provided inside or outside the outer case or the outer cover, in which the at least one LED module is installed, A heat radiating structure for radiating heat generated from the DC converter and the LED element (LED module) to the outside of the outer case or the outer cover is provided.

Reference 10-1087227 discloses a method of assembling a light diffusion plate or a light guide plate and an LED module to a housing or an external case for an overall uniform lighting function with respect to light from an LED element A ceiling-mounted LED luminaire is provided for easy installation on the ceiling.

That is, in the ceiling type LED lighting fixture disclosed in the aforementioned patent publication, each of the LED modules can be slidably coupled through the coupling protrusion formed on the housing, so that a plurality of LED modules can be mounted on the housing It can be easily combined.

In addition, according to the ceiling-type LED lighting fixture, it is possible to provide an LED lighting device having a plurality of LED modules and a diffusion plate coupled with a T-bar installed on a ceiling, And heat generated from the LED module can be efficiently discharged by disposing a heat sink between the LED modules on the front portion of the housing.

However, since most illumination devices including the ceiling-type LED lamp are separately constructed, various types of illumination covers can be installed to enable various types of atmosphere to be produced, or the number of lighting devices Additional expansion is required.

In consideration of such necessity, Japanese Patent Application Laid-Open No. 10-1228153 discloses a 'divergent lighting device capable of branching and assembling' for installing a lighting device in various shapes by extending a plurality of lighting devices in a prefabricated manner.

That is, the 'expandable type lighting device capable of branching and assembling' includes an illumination source that emits light, a first connector assembly for receiving external input power, a first connector assembly, and a power supply And a second connector assembly connected to the power supply line for outputting power to the outside.

In addition, a switch is provided between the first connector assembly and the power supply line to supply or cut off power, and a switch is provided between the second connector assembly and the power supply line to supply or cut off power. And the first connector assembly or the second connector assembly includes a switch built-in connector assembly for supplying or blocking power.

The switch-integrated connector assembly includes a first connector module having at least one electrical contact, a second connector module having at least one electrical contact, and a second connector module having a first connector module and a second connector module, respectively, And a switching module for switching the corresponding electrical contacts to be electrically connected or disconnected.

The switching module includes at least one connection terminal for electrically connecting corresponding electrical contacts of the first connector module and the second connector module, and an elastic member for switching the connection terminal.

A fixing member for fixing the first connector module and the second connector module so as to maintain the fastened state; an AC-DC converter connected between the power supply line and the illumination source for converting AC power into DC power; Further comprising a DC input connector for receiving DC power and another power supply line connected between the DC input connector and the illumination source, wherein the illumination source and the first and second connector assemblies An illumination housing to be mounted, and an illumination cover coupled to the illumination housing.

Therefore, according to the 'expandable type lighting device capable of branching and assembling' described above, it is possible to construct various types of lighting by assembling a plurality of lighting devices, and by mounting lighting covers of various shapes to a plurality of lighting devices, .

However, in the above-described 'expandable type lighting apparatus capable of branching and assembling', the first connector assembly for supplying power to a plurality of illumination sources, A second connector assembly provided on the four-sided side of the light housing is required to output the power supplied through the one-connector assembly to the adjacent light source.

In addition, since the first and second connector assemblies are composed of the first connector module and the second connector housing including electric wires therein, in order to electrically connect the plurality of illumination sources, the first and second connector assemblies It is necessary to arrange the electric wires included therein, and accordingly, the work for electrically connecting the plurality of light sources is troublesome, and the entire aesthetic disadvantage is caused by the arrangement of the first and second connector assemblies.

SUMMARY OF THE INVENTION The present invention has been made in view of the circumstances of the prior art described above, and it is an object of the present invention to provide a lighting apparatus having an LED lighting module and having a horizontally expandable coupling structure designed to enable electric and horizontally expandable attaching / detaching with at least one adjacent lighting apparatus The purpose is to provide.

In order to achieve the above object, according to a preferred embodiment of the present invention, there is provided an illumination device including an LED element, wherein the LED element is coupled to one side of the case and the case, An LED lighting module including a heat dissipating member formed with a connector mounting hole at its center, and an X'-shaped connection portion formed at the inner side of the four sides, and a module connection connector fitted to the connector mounting hole at the center of the connection portion And a module supporting bracket formed on one side of each side with a bracket coupling portion and a bracket coupling groove for horizontally expanding and detaching the adjacent lighting device.

According to the present invention, in the LED lighting module, 'X' -like conductive pattern seating recessed portions are formed on the upper surface of the heat dissipating member, and the 'X' -shaped conductive pattern seating recessed portions Each LED element mounting substrate on which the LED element is mounted is placed on each substrate seating concave portion. A center portion ('X'-shaped intersection portion) of the conductive pattern seating concave portion of the heat dissipating member is provided with a power source connector mounting hole (Conductive pattern member) having a plurality of conductive patterns is disposed on the conductive pattern seating recessed portion, and an X'-shaped flexible printed circuit board (conductive pattern member) A mirror member is disposed on the LED element mounted on each of the LED element mounting boards, and on the heat radiation member on which the conductive pattern member is mounted, Except for the LED mounting substrate and the mirror member is disposed a reflective sheet (Reflection sheet), the reflectors formed on the reflective sheet (Reflection plate) and the light diffusion sheet is stacked are housed in the exterior casing.

According to another aspect of the present invention, there is provided a seat support unit on a bottom surface of a four-sided side of the exterior housing of the LED lighting module, wherein the four-sided upper surface of the module support bracket, A module seating recessed portion to be seated is formed.

Advantageously, on the outer surface of the bracket engaging portion formed on the sides of each side of the module support bracket and on the inner surface of the bracket engaging groove, power supply / A power supply terminal connected to the conductive pattern formed on the member is formed.

According to the illumination device having the horizontally expandable coupling structure according to the present invention, the connector mounting hole of the LED lighting module including the external housing and the heat dissipating member and the module connecting connector formed on the module supporting bracket are forcibly fitted, And a module support bracket are combined.

The bracket coupling portion and the bracket coupling groove formed on the four side surfaces of the module support bracket are removably coupled to the bracket coupling portion formed in the module support bracket of the adjacent lighting device, It can be expanded to a linkage expression.

When a plurality of illuminating devices are horizontally and expandably coupled to each other, power is supplied to or received from an adjacent illuminating device through the bracket connecting portion and the bracket connecting grooves, thereby connecting a plurality of illuminating devices in a horizontally extending manner It is possible to externally supply / receive the operating power without damaging the external aesthetics because the cable or wiring for supplying the operating power is not exposed.

1 is a perspective view exemplarily showing an LED lighting module included in a lighting device having a horizontally expandable coupling structure according to a preferred embodiment of the present invention;
FIG. 2 is an exploded view for explaining an internal configuration of the LED lighting module shown in FIG. 1. FIG.
Fig. 3 is an enlarged view for explaining the heat dissipating member, the conductive pattern member, the LED element, and the mirror member formed in the LED lighting module shown in Fig. 2;
Figs. 4 and 5 are views exemplarily showing the shape of a heat radiation member included in the LED lighting module shown in Figs. 1 to 3. Fig.
FIG. 6 is a schematic perspective view of a lighting device having a horizontally extending coupling structure according to a preferred embodiment of the present invention, including the LED lighting module described in FIGS. 1-5; FIG.
Fig. 7 is a view showing the LED lighting module and the module supporting member separated from each other in the illuminating device having the horizontally expandable coupling structure according to the preferred embodiment of the present invention shown in Fig. 6;
8 is a view for explaining an example in which a lighting apparatus having a horizontally expandable coupling structure according to a preferred embodiment of the present invention shown in Figs. 1 to 7 is extended horizontally.
Figs. 9 to 11 are views illustrating a state in which a lighting apparatus having a horizontally expandable coupling structure according to a preferred embodiment of the present invention described in Fig. 8 is extended horizontally. Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view exemplarily showing an LED lighting module included in a lighting apparatus having a horizontally expandable coupling structure according to a preferred embodiment of the present invention.

Referring to the drawings, an LED lighting module 10 according to the present invention includes a rectangular outer housing 12 and a metal material (typically, aluminum) coupled to one side (lower side in the drawing) of the outer housing 12 And the heat radiating member 14 is provided.

According to the present invention, the external housing 12 is formed to have a predetermined dimension larger than the heat dissipating member 14, and at the center of the bottom of each side of the rectangular housing 12, a module support bracket And a seat support portion 16 functioning to be stably mounted / supported is protruded by a predetermined height.

A plurality of concavo-convex shapes 14a are formed on the bottom surface (lower surface) of the heat dissipating member 14 to increase the heat radiation surface area.

FIG. 2 is an exploded view for explaining an internal configuration of the LED lighting module shown in FIG. 1, FIG. 3 is a view illustrating a heat dissipation member, a conductive pattern member, an LED element, and a mirror member formed in the LED lighting module shown in FIG. It is the enlargement of the part for.

According to the present invention, a conductive pattern seating recessed portion 20 is formed on the upper surface of the heat dissipating member 14 in a generally X'-shape, and a substantially central portion of the conductive pattern seating recessed portion 20 (The intersecting portion of the '-').

Referring to FIG. 1, an X'-shaped flexible printed circuit board (i.e., a conductive pattern member) (i.e., a conductive pattern member) 24 corresponding to the shape of the conductive pattern seating recessed portion 20 is disposed. A plurality of conductive patterns 26 are formed on the member 24 to form a power supply path for supplying the operating power to the LED element described later when operating power is applied through the connector mounting opening 22. [

Here, when the conductive pattern 26 is formed on the conductive pattern member 24, a flexible PCB having a conductive layer (conductive layer) of a copper film is formed on the entire surface of the conductive pattern member 24 And the conductive layer 26 is left to be etched. However, the present invention is not limited to such a method. For example, a method of bonding a conductive paint or conductive thin film to a flexible film may be employed. Any method capable of forming the resin layer 26 may be applied.

Pattern terminals 26a (see FIG. 3) corresponding to the conductive patterns 26 are formed at the respective ends of the conductive pattern 26 provided on the 'X'-shaped conductive pattern member 24.

Each substrate seating recessed portion 28 defined in each longitudinal end portion of the conductive pattern seating recessed portion 20 formed on the heat dissipating member 14 (i.e., the four-cornered portion of the heat dissipating member 14) Each LED element mounting board 32 on which a plurality of actually mounted LED elements 30 are mounted is seated.

A plurality of conductive contacts 34 connected to the respective LED elements 30 are formed in front of the bottom surface of the LED element mounting board 32 that is seated on the substrate seating recess 28, Are connected to the respective pattern terminals 26a formed at the ends of the respective conductive patterns 26 of the 'X'-shaped conductive pattern member 24.

A plurality of branch terminals 26b for branching the conductive patterns 26 are formed in the central portion of the X'-shaped conductive pattern member 24, Which is electrically connected to a power source terminal of a connector member to be described later which is coupled to the LED element mounting board 22 so as to be electrically connected to the pattern terminals 26a formed at the end of the conductive pattern 26 and the corresponding conductive contacts 34 To supply power to the operating power source.

According to the present invention, a mirror member 36 is disposed on the LED element 30 mounted on each LED element mounting board 32. The mirror element 36 is mounted on the LED element mounting board 32 in a shape that covers the LED element 30.

A reflection sheet 38 is disposed on the heat dissipation member 14. A 4-edge portion corresponding to the LED element mounting substrate 32 in the reflection sheet 38 is disposed on each LED So that the element mounting substrate 32 is processed into an exposed shape.

A reflection plate 40 is disposed on the reflection sheet 38. A four corner portion of the reflection plate 40 is disposed on the reflection member 38 in a direction of the mirror member 36 Is defined to correspond to the inner side shape.

A light diffusion (or luminescence) sheet 42 is disposed on the upper side of the reflection plate 40 so as to completely cover the mirror member 36 and the reflection plate 40, and the exterior housing (12) is coupled onto the heat dissipating member (14).

FIGS. 4 and 5 are views showing exemplary shapes of the heat dissipating member included in the LED lighting module shown in FIGS. 1 to 3. FIG.

In the case of the heat dissipating member 14 shown in FIG. 4, the concave and convex shape 14a for increasing the heat dissipating surface area is formed in one direction, while the heat dissipating member 14 shown in FIG. The convexo-concave shape 14a of the heat radiating member 14 may be deformed in any form for improving the heat radiation function.

In addition, the heat dissipation member 14 is formed at the center of its bottom surface with the connector mounting hole 22 being externally exposed.

FIG. 6 is a schematic perspective view showing a lighting apparatus having a horizontally expandable coupling structure according to a preferred embodiment of the present invention including the LED lighting module described in FIGS. 1 to 5, and FIG. FIG. 6 is a view showing the LED lighting module and the module support bracket separately included in the lighting device having the horizontally expandable coupling structure according to the preferred embodiment.

Referring to the drawings, a module supporting bracket 50 is provided on the lower side of the LED lighting module 10, and the module supporting bracket 50 has a shape corresponding to the LED lighting module 10 The module seating recess 52 having a predetermined width is formed at the substantially central position on the top surface of the four sides.

When the LED lighting module 10 is coupled to the module supporting bracket 50 on the module seating recess 52, the respective seating support portions 16 formed on the 4-side bottom surface of the LED lighting module 10, Respectively.

In addition, an 'X'-shaped connecting piece 54 having the same shape as that of the conductive pattern member 24 is formed on the inner side of the four sides of the module supporting bracket 50, and the' X'-shaped connecting piece 54 ' A modular connector 56, which is coupled to the connector mounting hole 22 formed on the bottom surface of the heat dissipating member 14 in a forced fit manner, is formed on the intersection center portion at a predetermined height.

Here, the LED lighting module 10 and the module support bracket 50 are coupled by applying the module connector 56 to the connector mount 22, but the LED lighting module 10, A hook coupling method may be applied between the support brackets 50 or another appropriate coupling structure may be applied.

In addition, a power supply terminal (or a power supply pin) 58 is formed in the module connector 56 and the connector mounting hole 22 formed in the exterior housing 12 of the LED lighting module 10 A power receiving terminal corresponding to the power supply terminal 58 is formed so that the operating power applied to the power supply terminal 58 is supplied from the conductive pattern member 24 to the pattern of the conductive pattern 26 It is preferable to apply the voltage to the LED element 30 through the terminal 26a and the conductive contact 34 of the LED element mounting board 32. [

In addition, a bracket coupling portion 60 (see FIG. 6) is provided for the purpose of forcible fitting with a bracket coupling groove formed in the module support bracket 50n of the illumination device to be disposed adjacent to the two sides of the four sides of the external housing 12 And bracket coupling grooves 62 are formed on the side surfaces of the other two sides, respectively, for forced-fit engagement with a bracket coupling portion formed on the module support bracket of the illumination device to be disposed adjacent thereto.

 When operating power is applied via the module coupling connector 56 of the module support bracket 50, the bracket coupling portion 60 formed on the side of the two sides of the module support bracket 50 A plurality of power terminals 60a for supplying or receiving operating power to the adjacent illumination device side are formed on the outer surface of the module support bracket 50 and the inner surface of the bracket connection groove 62 formed on the other two sides of the module support bracket 50 A plurality of power supply terminals 62a for supplying or receiving operating power are formed on the side of the illumination device adjacent to the illumination device.

The power supply terminal 60a formed on the outer surface of the bracket coupling portion 60 and the power terminal 62a formed on the inner surface of the bracket coupling groove 62 are connected to the power supply terminal 60a of the module support bracket 50 (Not shown) is formed on the side of the X'-side connecting piece 54 and the power supply terminal 58 of the module connecting connector 56, Or the water supply may be performed.

The power terminal 60a of the bracket coupling part 60 and the power terminal 62a of the bracket coupling groove 62 are electrically connected to the X'- (Not shown) identical or similar to the power supply terminal (24) of the module connection connector (56), and the conductive pattern film is provided with the power supply terminal (60a) and the bracket coupling groove 58 may be formed so that power supply or power supply of the operating power source is performed.

Therefore, in the lighting device according to the present invention, it is necessary to provide an AC-DC converter (or a ballast) for each LED lighting module 10 even when a plurality of lighting devices are horizontally extended Can be excluded.

8 is a view for explaining an example in which a lighting apparatus having a horizontally expandable coupling structure according to a preferred embodiment of the present invention shown in Figs. 1 to 7 is extended horizontally, Figs. 9 to 11 are views FIG. 5 is a view illustrating a state in which a lighting apparatus having a horizontally expandable coupling structure according to a preferred embodiment of the present invention is extended horizontally.

8, the bracket coupling portions 60 formed on the two side surfaces of the module support bracket 50 to which the LED lighting module 10 constituted in the lighting device 10A according to the present invention is coupled, And the bracket coupling grooves 62 formed on the other two side surfaces of the module support bracket 50 are fitted to the bracket coupling grooves 62 of the adjacent lighting devices 10A, The bracket coupling portions 60 of the respective adjacent lighting devices 10A, ... 10N are coupled, and by such a horizontally associated coupling, the various shapes illustrated in Figures 9 to 11, that is, the rectangular shape of Figure 9 10 or the V-shape of FIG. 11, thereby making it possible to vary the number of the lighting apparatuses 10A, ---, 10N as a whole.

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.

10: LED lighting module, 12: external housing,
14: heat dissipating member, 16: seat support,
20: a conductive pattern seating recess, 22: a connector mounting socket,
24: conductive pattern member, 26: conductive pattern,
30: LED element, 32: LED element mounting board,
38: reflection sheet, 40: reflection plate,
42: light diffusion sheet, 50: module support bracket,
52: Module seating recess, 56: Module connection connector.
60: Bracket coupling portion, 62: Bracket coupling groove.

Claims (4)

In a lighting apparatus including an LED element,
And a heat dissipating member having a heat dissipating groove coupled to one side of the outer housing and the heat dissipating member having a connector mounting hole formed at the center thereof;
An X'-shaped connection part is formed on the inner side of the four sides, and a module coupling connector is formed at the center of the connection part so as to be fitted into the connector mounting part, and a bracket coupling And a module supporting bracket formed with one of the first and second bracket connecting grooves. The LED lighting module according to claim 1, wherein an X '-shaped conductive pattern seating concave portion is formed on an upper surface of the heat dissipating member,
Each LED element mounting substrate on which the LED element is surface-mounted is seated on each substrate seating concave portion defined in each end portion of the 'X' -like conductive pattern seating concave portion,
A power supply connector mounting hole is formed in a central portion (an intersecting portion of 'X'-character) of the conductive pattern seating recessed portion of the heat dissipating member,
An 'X' -flexible printed circuit board (conductive pattern member) having a plurality of conductive patterns is disposed on the conductive pattern seating recesses,
A corresponding contact pad is formed at each end of the conductive pattern provided in the 'X'-shaped conductive pattern member,
Wherein a mirror member is disposed on the LED element mounted on each of the LED element mounting boards,
A reflective sheet is disposed on the heat dissipating member on which the conductive pattern member is mounted, except for the LED element mounting substrate and the mirror member,
Wherein a reflection plate and a light diffusion sheet are laminated on the reflective sheet and housed in the exterior housing. The LED lighting module according to claim 1, wherein a seat support portion is formed on a bottom surface of the 4-side of the exterior housing of the LED lighting module,
Wherein the module supporting bracket has a module mounting recess formed on a four-sided upper surface of the module supporting bracket, the module mounting recess being formed on a bottom surface of the four-sided side of the outer housing. The module support bracket according to any one of claims 1 and 2, wherein an outer surface of the bracket engaging portion formed on each side of the module support bracket and an inner surface of the bracket engaging recess are provided with power supply / And a power terminal connected to the conductive pattern formed on the conductive pattern member of the LED lighting module is formed so that the conductive pattern is formed.

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