KR20110058946A - Variable block type illumination apparatus - Google Patents

Abstract

PURPOSE: A variable block type illumination apparatus is provided to form a various shapes and illumination by manufacturing an LED illumination device into a block. CONSTITUTION: In a variable block type illumination apparatus, a block assembly(110) connects a plurality of unit blocks(111) to be mutually rotated. A light source module(120) is formed in each unit block. A main body member(150) supports the block assembly and supplies power to the light source module. A rotation connection unit connects the unit blocks. A power supply unit is arranged on the rotation part of the unit blocks.

Description

Variable block type lighting device {VARIABLE BLOCK TYPE ILLUMINATION APPARATUS}

The present invention relates to a lighting apparatus, and more particularly to a variable block type lighting apparatus capable of forming various shapes and light distribution.

Generally, lighting devices such as street lamps and security lamps mainly use incandescent lamps as light sources so that light can reach a long distance. Lighting devices using incandescent lamps do not have high luminance and brightness of light emitted from the light source.

Recently, a lighting apparatus using a light emitting diode (LED) having high brightness and brightness as a light source has been developed.

However, since the conventional LED lighting device has a fixed structure of a single light type, it is not possible to form various shapes and light distribution of the lighting device as needed. Therefore, there is a disadvantage in that different lighting fixtures must be applied in a place where various shapes and light distribution are required according to the purpose of use.

The present invention is to solve the above problems, it is an object of the present invention to provide a variable block type lighting device having an improved structure to form a variety of shapes and light distribution by manufacturing the LED light in the form of a block.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

The variable block type lighting apparatus of the present invention for achieving the above object is a block assembly rotatably connected to a plurality of unit blocks, a light source module provided in each of the unit blocks, and the block assembly to support the light source It may include a main body for supplying power to the module.

According to an embodiment of the present invention, an illumination device includes a plurality of unit blocks, a light source module provided in each of the unit blocks, and connecting the unit blocks such that each of the unit blocks moves in relative rotation about one rotation axis. Rotating connection portion, and a power connection portion provided in the rotating portion of the unit blocks to electrically connect the power supplied to each of the light source module.

Each of the unit blocks has a mutually rotating cross section to form an inclined surface. In addition, each of the unit blocks may be formed to be symmetrical rotation inclined surfaces at both ends.

The rotation connection unit may be provided with a single rotation axis in a direction perpendicular to the rotation inclined surface of the unit blocks to rotatably connect the unit blocks.

Here, it is preferable that a sealing member such as a rubber packing or an O-ring is interposed in the rotary connector.

The power connection unit may be disposed to correspond to the power electrode on a rotation inclined surface of the other unit block facing the rotation inclined surface of the unit block circumferentially around the single rotation axis on the rotation inclined surface of the unit block. And include a ground electrode electrically connected to the ground electrode.

According to another embodiment of the present invention, the lighting apparatus includes a plurality of unit blocks, a light source module provided in each of the unit blocks, and the unit blocks such that each of the unit blocks has a relative rotational motion about two or more rotation axes. It may include a rotation connecting portion for connecting, and a power connecting portion provided at the rotating portions of the unit blocks to electrically connect the power supplied to each of the light source modules.

The rotatable connector includes: a first rotatable connector having a first rotational axis rotatably coupled to each of the unit blocks; and a rotatable coupling with the first rotatable connection and rotatably coupled at an inclination angle with respect to the first rotatable axis. It may include a second rotary connecting portion having a second axis of rotation.

Here, the first rotation axis may be disposed in the same direction as the longitudinal direction of the unit block, and the second rotation axis may be inclined at an angle of 45 degrees with respect to the first rotation axis.

The second rotation connecting portion may include a pair of inclined rotation bodies having a rotation inclined surface perpendicular to the second rotation axis.

In addition, the rotatable connector is rotatably coupled to the unit block, and rotatable when the rotatable connector is moved out of the unit block, and rotatable when the rotatable connector is moved inward of the unit block. It can be fixed so as not to.

In addition, an elastic member is provided between the unit block and the rotation connecting portion, and after the rotation connecting portion is rotated, the elastic member may be moved into the unit block by the restoring force of the elastic member.

In addition, a fixing protrusion is provided inside the unit block, and a fixing groove is provided at an outer circumference of the rotating connecting portion, and after the rotating connecting portion is moved to the inside of the unit block, the fixing protrusion is fitted into the fixing groove. The rotation of the rotary connection can be prevented.

The power supply connection unit may include a power supply electrode disposed circumferentially around the first rotational axis on a rotational end surface of the unit block, and a power supply electrode on a rotational end surface of the first rotation connection unit opposite to the rotational end surface of the unit block. It may include a ground electrode correspondingly disposed and electrically connected.

In addition, the power connection portion, the power supply electrode circumferentially disposed around the second rotation axis on the rotation inclined surface of one side inclined rotation body of the second rotation connection portion, and the other inclined opposite to the rotation inclined surface of the one inclined rotation body It may include a ground electrode disposed on the rotating inclined surface of the rotating body corresponding to the power electrode and electrically connected.

In addition, the lighting apparatus of the present invention may further include an anti-rotation part for preventing the rotation of the rotary connection.

Specific details of other embodiments are included in the detailed description and the drawings.

According to the variable block type lighting device of the present invention as described above, by manufacturing the LED lights in the form of a plurality of unit blocks and interconnected, and then rotate the unit blocks as needed to vary the shape to form, various shapes and light distribution can do.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, a variable block type lighting apparatus according to exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail to avoid unnecessarily obscuring the subject matter of the present invention.

Prior to the description of the present invention, the variable block type lighting device described below illustrates a configuration in which two or three unit blocks are connected, but a configuration in which more than three unit blocks are connected is not limited thereto. Make sure you know.

1 and 2 is a perspective view of a variable block type lighting apparatus according to an embodiment of the present invention, Figure 3 is a cross-sectional view showing a rotating structure of the rotary connection in the portion A of Figure 1, Figure 4 is provided in the dotted portion of Figure 1 An illustration of the power connection unit.

As shown in Figures 1 to 4, the lighting device 100 according to an embodiment of the present invention is a plurality of unit blocks 111, the light source module 120, the rotary connector 130, the power connector 140 and The main body 150 may be included.

The plurality of unit blocks are rotatably connected to each other to form one block assembly 110. In the present exemplary embodiment, the plurality of unit blocks 111 have illustrated a configuration having a trapezoidal shape, but are not limited thereto and may have various shapes such as a quadrangle, a semi-cylindrical shape, and a cylindrical shape.

Each unit block 111 has a mutually rotating cross section to form an inclined surface 111a. In addition, each unit block 111 is formed to be symmetrical to the rotation inclined surface (111a) at both ends. For example, the rotating inclined surface 111a may be formed at one end of the unit block 111 in an upward 45 degree direction, and the rotating inclined surface 111a may be formed in a right upper 45 degree direction at the other end. In addition, the rotating inclined surface 111a may be formed at one end of the other unit block 111 to be connected in the right downward 45 degree direction, and the rotating inclined surface 111a may be formed at the other end in the left downward 45 degree direction.

The light source module 120 may be provided on at least one surface of each unit block 111. The light source module 120 may include a light source 121 and a circuit board 123 on which the light source 121 is electrically mounted. Here, the light source 121 may be a light emitting diode (LED) having a high brightness and high brightness (hereinafter, referred to by reference numeral 121) and may be mounted on the circuit board 123 in the form of an LED package. The LED 121 emits light when a voltage is applied to a semiconductor, called a luminescence (electric field emission). The LED 121 emits light by using the field emission. Since the LED 121 has a long lifespan and electrical energy is directly converted into light energy, the power consumption is low because the power consumption is low, and the lifespan is longer than that of a general light bulb (lamp).

In addition, since heat generation occurs due to the characteristics of the LED 121 used as the light source, a heat sink (not shown) may be provided in each unit block 111 to dissipate the heat. It is preferable to form a plurality of heat dissipation fins (not shown) in the heat dissipation part so as to increase the contact surface with air to effectively dissipate heat generated from the light source module 120.

The rotary connection unit 130 connects the unit blocks 111 such that each unit block 111 moves in a relative rotation about one rotation axis 131.

The rotation connector 130 may be provided with a single rotation shaft 131 in a direction perpendicular to the rotation inclined plane 111a of the unit blocks 111 to rotatably connect the unit blocks 111.

In addition, the rotary connector 130 may be a sealing member 131a for waterproofing, for example, rubber packing, O-ring and the like.

The power connection unit 140 may be provided at the rotation portions of the unit blocks 111 to electrically connect the power supply and the control signal transmission to each light source module 120.

Here, the power connection unit 140 may include a power electrode 141 and a ground electrode 143. For example, as illustrated in FIG. 4A, the power electrode 141 may be disposed circumferentially around the single rotation shaft 131 on the rotation inclined surface 111a of the unit block 111. In this case, the power electrode 141 may have a plurality of positive electrode terminals 141a formed on one side semicircle, and a plurality of negative electrode terminals 141b may be formed on the other side semicircle.

In addition, as shown in FIG. 4B, the ground electrode 143 is connected to the power inclined surface 111a of the other unit block 111 opposite to the rotation inclined surface 111a of the unit block 111. ) May be arranged to be electrically connected. In this case, the ground electrodes 143 may be formed in the form of circular dots arranged in a line so as to correspond to the positive electrode terminals 141a and the negative electrode terminals 141b arranged in a plurality of semicircular shapes.

The main body 150 supports the block assembly 110 and supplies power to the light source module 120 provided in each unit block 111. In the present embodiment, the main body 150 has a configuration having a cylindrical shape, but is not limited thereto, and may have various shapes such as a square cylinder.

The main body 150 accommodates a block support unit 151 connected to support the block assembly 110, and a power supply unit (not shown) connected to the block support unit 151 and supplying power to the light source module 120. It may be configured as a power receiving unit 153. Here, the power supply unit may be a storage battery that stores electricity in accordance with the scheme, a solar cell using sunlight may be used. The main body 150 is coupled to an external structure (not shown) in which the lighting device 100 is installed.

In addition, a hinge portion (not shown) may be provided to hinge the block support portion 151 and the power receiving portion 153 so that the block support portion 151 can be opened and closed with respect to the power receiving portion 153. That is, the block support unit 151 is hinged to be opened and closed with respect to the power receiving unit 153, thereby accommodating and releasing the power supply unit in the power receiving unit 153. Coupling method of the block support unit 151 and the power receiving unit 153 may be rotationally coupled in the circumferential direction in addition to the hinge coupling.

5 and 6 are a perspective view of a variable block type lighting apparatus according to another embodiment of the present invention, Figure 7 is an enlarged view of the portion B of Figure 5, Figure 8 is a cross-sectional view showing a rotating structure of the rotary connection in Figure 7, 9 is an exemplary view of a power connection unit provided in the dotted line of FIG.

5 to 9, the lighting device 200 according to another embodiment of the present invention includes a plurality of unit blocks 211, a light source module 220, a rotation connection unit 230, a power connection unit 240, and It may include a main body 250 and the like.

The plurality of unit blocks 211 are rotatably connected to each other to form one block assembly 210. In the present embodiment, the plurality of unit blocks 211 exemplify a configuration having a semi-cylindrical shape, but is not limited thereto and may have various shapes such as a rectangle and a cylindrical shape.

The light source module 220 may be provided on at least one surface of each unit block 211. The light source module 220 may include a light source 221 and a circuit board 223 on which the light source 221 is electrically mounted. Here, the light source 221 may be a light emitting diode (LED) having a high brightness and high brightness (hereinafter, referred to as reference numeral 221), and may be mounted on the circuit board 223 in the form of an LED package.

In addition, since heat generation occurs due to the characteristics of the LED 223 used as the light source, a heat sink (not shown) may be provided in each unit block 211 to dissipate the heat. In the heat dissipation unit, it is preferable to form a plurality of heat dissipation fins (not shown) so as to increase the contact surface with air to effectively dissipate heat generated from the light source module 220.

The rotary connection unit 230 is provided between the respective unit blocks 211, and connects the unit blocks 211 so that each unit block 211 is relatively rotated about two or more rotation axes. At this time, the size of the rotary connection 230 is preferably formed smaller than the size of the unit block 211.

The rotary connector 230 is coupled to the first rotary connector 231 having a first rotary shaft 231a rotatably coupled to each unit block 211, and the first rotary connector 231, and includes a first rotary shaft ( It may include a second rotary connecting portion 233 having a second rotating shaft 233a rotatably coupled to the inclined angle with respect to 231a.

Here, the first rotation shaft 231a may be disposed in the same direction as the length direction of the unit block 211. In addition, the second rotation shaft 233a may be disposed to be inclined at an angle of 45 degrees with respect to the first rotation shaft 231a.

The second rotation connecting portion 233 may be composed of a pair of inclined rotating bodies 234 and 235 having a rotating inclined surface 211a perpendicular to the second rotating shaft 233a.

In addition, the first and second rotary connectors 231 and 233 may include sealing members 231b and 233b for waterproofing, such as rubber packing and O-rings.

The power connection unit 240 may be provided at the rotation portions of the unit blocks 211 to electrically connect the power supply and the control signal transmission to each light source module 220.

For example, the power connection unit 240 may include a power electrode 241 (refer to FIG. 9A) disposed circumferentially around the first rotational axis 231a on the rotational end face 211a of the unit block 211. The ground electrode 243 is disposed to correspond to the power electrode 241 and electrically connected to the rotation end surface 211a of the first rotation connection part 231 opposite to the rotation end surface 211a of the unit block 211 (FIG. 9 (b)).

In addition, the power connection unit 240 and the power electrode 241 disposed circumferentially around the second rotation shaft 233a on the rotation inclined surface 211b of the one side inclined rotation body 234 of the second rotation connection unit 233 and The ground electrode 243 is disposed on the rotating inclined surface 211b of the other inclined rotating body 235 opposite to the power supply electrode 241 and electrically connected to the rotating inclined surface 211b of the one inclined rotating body 234. It may include.

Here, the power electrode 241 may have a plurality of positive electrode terminals 241a formed on one side semicircle and a plurality of negative electrode terminals 241b formed on the other side semicircle. In addition, the ground electrodes 243 may be formed in the form of circular dots arranged in a line so as to correspond to the positive electrode terminal 241a and the negative electrode terminal 241b disposed in a plurality of semicircular shapes.

The main body 250 supports the block assembly 210 and supplies power to the light source module 220. The main body 250 includes a block support part 251 connected to support the block assembly 210 and a power supply part (not shown) connected to the block support part 251 and supplying power to the light source module 220. The power receiving unit 253 may be configured.

10 is an exemplary view of an anti-rotation unit provided in the lighting apparatus.

As shown in Figure 10, the lighting device 200 of the present invention may be provided with a rotation preventing portion for preventing the rotation of the rotary connection 230. For example, the anti-rotation part is provided with a wedge-shaped fixing member 261 in the unit block 211, and the fixing groove 232 formed at the outer circumference of the first rotary connecting portion 231 when the fixing member 261 is pressed. The fixing member 261 may be inserted into the first fixing member 261 so as to prevent rotation of the first rotary connector 231. In addition, the anti-rotation part is provided with a wedge-shaped fixing member 263 on one side of the rotating body 234, and fixed to a fixing groove (not shown) formed in the other inclined rotating body 235 when the fixing member 263 is pressed. The member 263 may be fitted to prevent rotation of the second rotary connector 233. In the present embodiment, but the rotation prevention portion has a configuration having a wedge-shaped anti-rotation structure, but is not limited to this, it may be configured in a rotation prevention structure of various forms, such as gear type, sawtooth type.

11 and 12 are exemplary views for explaining the rotation and fixing structure of the rotary connection provided in the lighting device.

As shown in Figures 11 and 12, the rotary connector 230 is also possible to assemble in the form of movement and rotation in conjunction with the elastic member 213. For example, the first rotary connector 231 is rotatably coupled to the unit block 211, and is rotatable when the first rotary connector 231 is moved out of the unit block 211. 1 When the rotary connector 231 is moved to the inside of the unit block 211 may be fixed so as not to rotate.

At this time, an elastic member 213, for example, a spring is provided between the unit block 211 and the first rotary connecting portion 231, and after the first rotary connecting portion 231 is rotated, the unit block 211 by the restoring force of the spring. It can be moved to the inside of.

In addition, the fixing protrusion 215 is provided inside the unit block 211, and the sawtooth-shaped or gear-shaped fixing groove 237 is provided on the outer circumference of the first rotary connecting portion 231, whereby the first rotary connecting portion ( After the 231 is moved to the inside of the unit block 211, the fixing protrusion 215 may be inserted into the fixing groove 237 to prevent rotation of the first rotary connector 231.

Similarly to the first rotary connector 231, the second rotary connector 233 may be assembled in a moving and rotating manner in conjunction with the elastic member 213.

In addition, although not shown in the figure, the inside of the rotary connection 230 is formed in a hollow, and the power supply and control signal to the light source module 220 by inserting a power and a control signal cable (not shown) in a hollow to transmit the power supply and control signals. It is also possible to structure.

Variable block type lighting device (100,200) of the present invention configured as described above is produced in the form of a plurality of unit blocks (111,211) LED lights interconnected and then changed to the required shape by rotating the unit blocks (111,211) as necessary can do. That is, the lighting apparatuses 100 and 200 of the present invention may form a variety of shapes and light distribution by configuring the LED lights in the unit block (111,211) in the form of interconnection and rotation.

Lighting device 100,200 of the present invention can be used for walking or bicycle road as well as security light and can be used for various purposes such as underground light.

Although the embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing the technical spirit or essential features thereof. I can understand that. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1 and 2 are perspective views of a variable block type lighting apparatus according to an embodiment of the present invention,

3 is a cross-sectional view showing a rotating structure of the rotary connection in the portion A of Figure 1,

4 is an exemplary view of a power connection unit provided at a dotted line portion of FIG. 1;

5 and 6 are perspective views of a variable block type lighting apparatus according to another embodiment of the present invention,

7 is an enlarged view of a portion B of FIG. 5;

8 is a cross-sectional view showing a rotating structure of the rotary connection in Figure 7,

9 is an exemplary view of a power connection unit provided at a dotted line portion of FIG. 7;

10 is an exemplary view of an anti-rotation unit provided in the lighting device;

11 and 12 are exemplary views for explaining the rotation and fixing structure of the rotary connection provided in the lighting device.

<Description of Symbols for Main Parts of Drawings>

100,200: Lighting device 110,210: Block assembly

111,211: unit block 120,220: light source module

121,221: light source, LED 123,223: circuit board

130,230: rotary connection 140,240: power connection

141,241: power electrode 143,243: ground electrode

150,250: main body 151,251: block support

153,253: power receiving unit 231: first rotational connection

233: second rotational connection 234,235: inclined rotation body

Claims (19)

A block assembly in which a plurality of unit blocks are rotatably connected to each other; A light source module provided in each unit block; And And a main body part supporting the block assembly and supplying power to the light source module. A plurality of unit blocks; A light source module provided in each unit block; A rotary connection unit connecting the unit blocks such that each unit block moves in a relative rotation about one rotation axis; And Lighting device comprising a power connection portion provided in the rotating portion of the unit blocks to electrically connect the power supplied to each of the light source module. The lighting apparatus as claimed in claim 2, wherein a sealing member is interposed between the rotary connection part. The illuminating device according to claim 2, wherein each of the unit blocks has an inclined surface having mutually rotating cross sections. The illuminating device according to claim 4, wherein each of the unit blocks has symmetrical rotation inclined surfaces at both ends thereof. The lighting apparatus according to claim 4, wherein the rotation connection part is provided with a single rotation axis in a direction perpendicular to the rotational inclination surfaces of the unit blocks to rotatably connect the unit blocks. The method of claim 6, wherein the power connection unit, A power supply electrode disposed circumferentially around the single rotation axis on a rotation slope of the unit block; And And a ground electrode disposed on the rotation inclined surface of the other unit block opposite to the rotation inclined surface of the unit block to be electrically connected to the power electrode. A plurality of unit blocks; A light source module provided in each unit block; A rotary connection unit connecting the unit blocks such that each unit block has a relative rotational motion about two or more rotation axes; And Lighting device comprising a power connection portion provided in the rotating portion of the unit blocks to electrically connect the power supplied to each of the light source module. 9. The lighting apparatus according to claim 8, wherein a sealing member is interposed between the rotary connection part. The method of claim 8, wherein the rotary connection portion, A first rotary connector having a first rotary shaft rotatably coupled to each of the unit blocks; And And a second rotary connection unit coupled to the first rotary connection unit and having a second rotary axis rotatably coupled at an inclined angle with respect to the first rotary axis. The illuminating apparatus according to claim 10, wherein the first rotation axis is disposed in the same direction as the longitudinal direction of the unit block. The illuminating apparatus according to claim 11, wherein the second rotation axis is disposed to be inclined at an angle of 45 degrees with respect to the first rotation axis. The lighting apparatus of claim 10, wherein the second rotation connector comprises a pair of inclined rotation bodies having a rotation inclined surface perpendicular to the second rotation axis. The unit of claim 8, wherein the rotatable connector is rotatably coupled to the unit block, the rotatable connector is rotatable when the rotatable connector is moved out of the unit block, and the rotatable connector is inward of the unit block. Lighting device, characterized in that is fixed so as not to rotate when moved. 15. The lighting apparatus according to claim 14, wherein an elastic member is provided between the unit block and the rotary connector, and the rotary connector is moved inside the unit block by a restoring force of the elastic member after the rotary connector is rotated. 15. The method of claim 14, wherein the fixing projections are provided inside the unit block, the fixing groove is provided on the outer periphery of the rotary connecting portion, the fixing protrusion is fixed after the rotary connecting portion is moved to the inside of the unit block Illumination device, characterized in that inserted into the groove to prevent the rotation of the rotary connector. The method of claim 10, wherein the power connection unit, A power supply electrode circumferentially disposed about the first rotation axis in a rotation cross section of the unit block; And And a ground electrode disposed to correspond to the power electrode and electrically connected to a rotation end surface of the first rotational connection part opposite to the rotation end surface of the unit block. The method of claim 13, wherein the power connection unit, A power electrode circumferentially disposed about the second rotation axis on a rotation inclined surface of the one side inclined rotation body of the second rotation connector; And And a ground electrode disposed on the rotating inclined surface of the other inclined rotating body opposite to the rotating inclined surface of the one inclined rotating body and electrically connected to the power electrode. The lighting apparatus of claim 8, further comprising an anti-rotation unit for preventing rotation of the rotary connection unit.

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