KR20110019300A - Lighting device - Google Patents

Abstract

PURPOSE: A light illuminating device is provided to effectively emit heat, which is generated from a plurality of light emitting diodes, by forming a concavo-convex part on one part of the body of a light source part. CONSTITUTION: A first combining unit is arranged in the bottom side of a housing(100). At least one reflector(200) is installed in the housing. A light source part(300) is combined with the combining unit to be rotatable and emits light toward the reflector. At least one second combining unit is combined with the first combining unit. The light source part includes a body with a first slanted side and a second slanted side. A plurality of light emitting diodes is loaded on the slanted sides.

Description

LIGHTING DEVICE

Embodiments relate to a lighting device.

 Light emitting diodes (LEDs) are a type of semiconductor device that converts electrical energy into light. Light emitting diodes have the advantages of low power consumption, semi-permanent life, fast response speed, safety and environmental friendliness compared to conventional light sources such as fluorescent and incandescent lamps. Accordingly, many researches are being conducted to replace existing light sources with light emitting diodes, and the use of light emitting diodes is increasing as a light source for lighting devices such as various lamps, liquid crystal displays, electronic displays, and street lamps that are used indoors and outdoors.

The embodiment provides a lighting device having a new structure.

The lighting device according to the embodiment has reduced glare to provide soft light.

The embodiment provides a lighting device having a good heat dissipation structure.

The embodiment provides a lighting device that is easy to replace and assemble the light source unit.

The embodiment provides an illumination device capable of adjusting luminance and color.

The lighting device according to the embodiment provides various functions including a sensor.

Lighting device according to the embodiment includes a housing; A coupling member formed on a bottom surface of the housing and including at least one first connection terminal; At least one reflector installed in the housing; And a light source unit on an upper surface thereof, the light source unit including at least one second connection terminal coupled to the at least one first connection terminal and coupled to the coupling member to emit light toward the at least one reflector.

The embodiment can provide a lighting device having a new structure.

The lighting apparatus according to the embodiment may reduce glare and provide soft light.

The embodiment can provide a lighting device having a good heat dissipation structure.

The embodiment can provide a lighting device that is easy to replace and assemble the light source unit.

The embodiment can provide a lighting device that can adjust brightness and color.

The lighting apparatus according to the embodiment may provide various functions including a sensor.

In the description of an embodiment, each layer (film), region, pattern or structure is formed to be "on" or "under" a substrate, each layer (film), region, pad or pattern. In the case described, "on" and "under" include both being formed "directly" or "indirectly" through another layer. In addition, the criteria for the top or bottom of each layer will be described with reference to the drawings.

In the drawings, the thickness or size of each layer is exaggerated, omitted, or schematically illustrated for convenience and clarity of description. In addition, the size of each component does not necessarily reflect the actual size.

Hereinafter, a lighting apparatus according to an embodiment will be described with reference to the accompanying drawings.

1 is a perspective view of a lighting device 1 according to an embodiment, FIG. 2 is an exploded perspective view of a lighting device 1 according to an embodiment, and FIG. 3 is a sectional view of a lighting device 1 according to an embodiment, and FIG. 4 is an enlarged view of area A of FIG. 3.

1 to 4, the lighting device 1 according to the embodiment is coupled to the housing 100, the coupling member 110 and the coupling member 110 on the bottom surface of the housing 100. It includes a reflector 200, a light source unit 300 for emitting light toward the reflector 200, and a power source driving unit 400 for providing a power source and / or a drive signal to the light source unit 300.

The housing 100 may be in the form of a box that can accommodate the light source 300 and the reflector 200, and the shape of the housing 100 when viewed from the top may be rectangular. It does not limit to this.

The housing 100 is preferably formed of a material that can effectively release heat, for example, aluminum (Al), tin (Sn), nickel (Ni), silver (Ag), copper (Cu), It may be formed of a metal such as titanium (Ti), molybdenum (Mo), tungsten (W), gold (Au), or platinum (Pt). Alternatively, the housing 100 may be formed of various resin materials, but is not limited thereto.

The housing 100 has an opening 101 to allow the light generated from the light source 300 to be reflected by the reflector 200 and emitted.

In addition, a second groove 103 into which the first side 210 of the reflector 200 is inserted may be formed on an inner side surface of the housing 100. The second groove 103 may be formed to correspond to the shape of the first side 210 of the reflector 200. For example, the second groove 103 may be formed in plural or in one piece, but is not limited thereto.

In addition, as shown in FIG. 2, the housing 100 may include a connection groove 107 for electrically connecting the power driver 400 to an external power source on a side surface and / or a bottom surface thereof.

The coupling member 110 may be formed on the bottom surface 102 of the housing 100. The coupling member 110 may support the reflector 200 and the light source 300, and may directly discharge heat generated from the light source 300 or may be effectively transmitted to the housing 100.

The coupling member 110 may be coupled to the housing 100 by a coupling screw, an adhesive, or the like, but is not limited thereto.

The coupling member 110 may include an unevenness 116 in at least a partial region, and the unevenness 116 may increase the surface area of the coupling member 110 to improve heat dissipation efficiency.

The material of the coupling member 110 is a material capable of effectively dissipating and / or transferring heat, for example, aluminum (Al), tin (Sn), nickel (Ni), silver (Ag), copper (Cu), It may be formed of a metal such as titanium (Ti), molybdenum (Mo), tungsten (W), gold (Au), or platinum (Pt). Alternatively, the coupling member 110 may be formed of various resin materials, but is not limited thereto.

The coupling member 110 may be formed to extend in the first direction in the middle portion of the bottom surface 102. That is, the coupling member 110 may be formed to extend from one inner side surface of the housing 100 to the opposite inner side surface. However, this is not limitative.

A first groove 111 may be formed on the outer surface of the coupling member 110, and an insertion groove 112 may be formed in the middle portion thereof. The first groove 111 and the insertion groove 112 may be formed to extend in the first direction, but is not limited thereto.

The second side 220 of the reflector 200 may be inserted into and supported in the first groove 111.

At least a portion of the light source unit 300 may be inserted and supported in the insertion groove 112. In this case, a third groove 113 may be formed on an inner side surface of the insertion groove 112, and a protrusion end 313 of the light source unit 300 may be inserted into the third groove 113 to provide the light source unit ( 300 may be firmly coupled to the coupling member 110.

In addition, a first connection terminal 120 may be formed in the insertion groove 112. As the light source unit 300 is inserted into the insertion groove 112, the first connection terminal 120 is coupled to the second connection terminal 330 of the light source unit 300 to supply power to the light source unit 300. And / or provide a drive signal.

The first connection terminal 120 may be formed at, for example, a middle portion of the insertion groove 112 of the coupling member 110. In addition, the first connection terminal 120 may be formed in one or a plurality according to the design of the lighting device 1, but is not limited thereto.

The reflector 200 may include a first reflector 200a and a second reflector 200b, and each of the first reflector 200a and the second reflector 200b may include the housing 100 and the coupling member. And may be supported by 110.

For example, as illustrated in FIGS. 3 and 4, the second side 220 of the reflector 200 is inserted into the first groove 111 of the coupling member 110, and the first side 210 is The second groove 103 formed on the inner surface of the housing 100 may be inserted and supported, but is not limited thereto.

Each of the first reflector 200a and the second reflector 200b may have a parabolic shape, and the first reflector 200a and the second reflector 200b may have a parabola shape having two parabolic surfaces. Can be achieved. In addition, the reflector 200 may extend in a first direction. However, the shape of the reflector 200 may be variously modified according to the desired illumination.

The reflector 200 may be formed of a metal material or a resin material having high reflection efficiency. The resin material may include, for example, any one of PET, PC, and PVC resin, and the metal material may include silver (Ag), an alloy including silver (Ag), aluminum (Al), or aluminum (Al). It may include at least one of the alloys included.

In addition, the surface of the reflector 200 may be coated with silver (Ag), aluminum (Al), white PSR (Photo Solder Resist) ink, a diffusion sheet, or the like, or an oxide film may be formed by an anodizing treatment. have.

However, the material and the color of the reflector 200 are not limited thereto, and may be variously selected according to the lighting to be implemented by the lighting device 100.

The light source unit 300 includes a first body 310a and a second body 310b, a plurality of light emitting diodes 312 mounted on the first body 310a and the second body 310b, and the first body. An intermediate body 320 may be included between the body 310a and the second body 310b. The first body 310a, the second body 310b, and the intermediate body 320 form a body of the light source unit 300.

The body of the light source unit 300 is preferably formed of a material that can effectively release heat, for example, aluminum (Al), tin (Sn), nickel (Ni), silver (Ag), copper (Cu ), Titanium (Ti), molybdenum (Mo), tungsten (W), gold (Au), and platinum (Pt). Alternatively, the body may be formed of various resin materials, but is not limited thereto.

Heat generated in the plurality of light emitting diodes 312 may be emitted by the body of the light source unit 300, or may be transferred to the coupling member 110 to be effectively released. In addition, when the light source unit 300 is inserted into the insertion groove 112 of the coupling member 110, since there is an empty space between the light source unit 300 and the insertion groove 112, in the light source unit 300 The generated heat can be effectively released through the empty space. In addition, irregularities are formed in a portion of the body of the light source unit 300, thereby effectively dissipating heat.

The light source unit 300 may extend in a first direction, that is, along a length direction of the reflector 200.

In addition, the height of the intermediate body 320 is smaller than the height of the first and second body (310a, 310b), on the intermediate body 320 between the first body (310a) and the second body (310b) 2 connection terminal 330 and the spring 340 may be formed.

The first body 310a, the second body 310b and the intermediate body 320 may be integrally formed or separately formed, but are not limited thereto. In addition, the intermediate body 320 may not be formed.

When the first body 310a, the second body 310b and the intermediate body 320 are formed separately, the first body 310a, the second body 310b and the intermediate body 320 are, for example, , By a coupling cap 350 or the like. In addition, the spring 340 is disposed between the first body 310a and the second body 310b to firmly couple the light source unit 300 to the insertion groove 112 of the coupling member 110. have. This will be described later in detail.

The outer surfaces of the first body 310a and the second body 310b may include a first inclined surface and a second inclined surface, respectively. In this case, the first and second inclined surfaces may face two parabolic surfaces of the reflector 200, respectively. However, in addition to the first and second inclined surfaces, a plurality of inclined surfaces may be formed in the first and second bodies 310a and 310b, but embodiments are not limited thereto.

Since the first and second bodies 310a and 310b are formed to have the first and second inclined surfaces facing the reflector 200, that is, the cross section of the light source unit 300, that is, the first body 310a, A cross section formed by combining the second body 310b and the intermediate body 320 may have a width at a lower end thereof than a width at the upper end. In addition, for example, the cross section of the light source unit 300 may have a fan shape or a polygonal shape, but is not limited thereto.

In addition, a protruding end 313 may be formed at upper ends of the first body 310a and the second body 310b. The protruding end 313 may have a shape in which upper ends of the first body 310a and the second body 310b protrude outwardly. The protruding end 313 may be coupled to the third groove 113 formed in the insertion groove 112 of the coupling member 110 to firmly couple the light source unit 300 to the housing 100.

The intermediate body 320 may be formed between the first body 310a and the second body 310b, and at least a portion of the bottom surface of the intermediate body 320 may be the first body 310a and the second body. It may be exposed between the body (310b).

The second connection terminal 330 may be formed on the intermediate body 320. The second connection terminal 330 may be coupled to the first connection terminal 120 formed in the insertion groove 112 of the coupling member 110 to receive a power and / or driving signal.

The intermediate body 320 may include a sensor unit 321 in the lower region. The bottom of the sensor unit 321 is exposed between the first body 310a and the second body 310b to detect various data such as an image, an audio, a pressure, a temperature, and an electric wave.

By including the sensor unit 321, the lighting device 1 may provide various functions in addition to providing light to the user. In addition, the various data sensed by the sensor unit 321 may be used to drive the lighting device 1 suitably to an environment in connection with driving of the plurality of light emitting diodes 312. For example, the brightness and the color of the plurality of light emitting diodes 312 may be adjusted by the various data sensed by the sensor unit 321.

The sensor unit 321 may include, for example, at least one of a camera, a photo sensor, a pressure sensor, a temperature sensor, an anti-theft sensor, a radio wave sensor, and the like, but is not limited thereto.

Light emitting grooves 316 may be formed in the first and second inclined surfaces formed in the first and second bodies 310a and 310b, and a plurality of light emitting grooves 316 may emit light toward the reflector 200. The light emitting diode 312 may be mounted.

In this case, a substrate 311 is disposed in the light emitting groove 316, and the plurality of light emitting diodes 312 are mounted on the substrate 311, and the plurality of light emitting diodes 312 are formed by the substrate 311. ) May be electrically connected to the power driver 400. Alternatively, a plurality of electrodes (not shown) may be disposed in the light emitting groove 316, and the plurality of light emitting diodes 312 may be electrically connected to the power driving unit 400 by the plurality of electrodes (not shown). Can be connected.

The depth and width of the light emitting groove 316 may be variously adjusted according to the light distribution of the plurality of light emitting diodes 312 mounted in the light emitting groove 316. That is, the lighting device 1 adjusts the depth and width of the light emitting groove 316 so that the light emitted from the light source 300 is reflected by the reflector 200 without being directly provided to the user. As a result, glare to the user can be reduced to provide soft light.

For example, the depth and width of the light emitting groove 316, the light distribution angle of the light emitted through the light emitting groove 316 is 90 ° to 110 °, the light emitted through the light emitting groove 316 It may be formed to be evenly incident on the entire area of the reflector 200, but is not limited thereto.

In addition, the depth and width of the light emitting groove 316 is a part of the light emitted from the plurality of light emitting diodes 312 is emitted to the outside through the opening 101, the other part by the reflector 200 The light may be adjusted to be emitted to the outside through the opening 101 after being reflected, but is not limited thereto.

The plurality of light emitting diodes (LEDs) 312 may be selected to have various combinations of red, green, blue or white light emitting diodes emitting red, green, blue or white light, for example. However, the type and combination of the light emitting diodes are not limited. In addition, the plurality of light emitting diodes 312 may be arranged in an array form within the light emitting grooves 316, but the number and arrangement of the light emitting diodes 312 is not limited thereto.

The plurality of light emitting diodes 312 may be controlled by a power source and / or a driving signal provided from the power source driving unit 400 to selectively emit light, or the luminance may be adjusted.

In addition, an optical structure 318 is disposed on the plurality of light emitting diodes 312 to adjust the light distribution and color of the light emitted from the plurality of light emitting diodes 312, and have various brightness and colors as necessary. Emotional lighting can be implemented.

Both ends of the optical structure 318 may be inserted into a fourth groove formed on the inner surface of the light emitting groove 316 and coupled to the light source 300. For example, the fourth groove may be formed to extend in the first direction, and the optical structure 318 may be coupled to the light source unit 300 by being inserted into the fourth groove in the first direction. It does not limit to this.

The optical structure 318 may include, but is not limited to, at least one of a lens, a diffusion sheet, and a photophosphorescent film (PLF).

The lens may include, but is not limited to, lenses having various shapes such as concave lenses, convex lenses, and condensing lenses, depending on the design of the illumination device 1.

The diffusion sheet may evenly diffuse the light emitted from the plurality of light emitting diodes 312.

The photoexcited film (PLF) is a film containing a phosphor. Since the phosphor included in the photoexcited film (PLF) is excited by the light emitted from the plurality of light emitting diodes 312, the illumination device 1 is the first emitted from the plurality of light emitting diodes 312 The light and the second light excited by the phosphor are mixed to realize the emotional lighting having various colors.

For example, when the plurality of light emitting diodes 312 emits blue light, and the photoexcited film PLF includes a yellow phosphor excited by the blue light, the illumination device 1 may be configured to include the blue light. Light and yellow light may be mixed to emit white light. However, this is not limitative.

Since the optical structure 318 may be easily coupled to the fourth groove, the optical structure 318 may be easily replaced with one of the lens, the diffusion sheet, and the optical excitation film according to the user's needs. .

The spring 340 may be disposed between the first body 310a and the second body 310b on the intermediate body 320.

The spring 340 is formed between the first body 310a and the second body 310b, and serves to push the first body 310a and the second body 310b which are rotatably coupled to each other. do. Therefore, by the force applied by the spring 340, the protruding end 313 formed on the upper end of the first body 310a and the second body 310b is the insertion groove 112 of the coupling member 110. ) Can be firmly combined.

For example, as illustrated in FIG. 4, the spring 340 may have a “c” shape, and an upper surface of the intermediate body 320 and the first body 310a and the second body 310b. It may be arranged to contact the inner surface of the. However, the shape of the spring 340 is not limited.

The power driver 400 may be disposed inside the housing 100. The power supply unit 400 may provide power and / or driving signals to the light source unit 300.

The power driver 400 may be electrically connected to the light source 300 by a wire or an FPCB (Flexible Printed Circuit Board). For example, the wire or FPCB extends from the power driver 400 and is electrically connected to the first connection terminal 120 through a connection hole formed in the coupling member 110, and the first connection terminal. 120 may be electrically connected to the second connection terminal 330, but the power driving unit 400 and the light source unit 300 may be electrically connected to each other, but embodiments are not limited thereto.

When the lighting device 1 is installed on an external support member such as a ceiling or a wall, an insertion part corresponding to the shape of the lighting device 1 is formed on the external support member, and the lighting device 1 is provided on the insertion part. ) Will be inserted and locked. At this time, the coupling frame 500 is coupled to the lower end of the side of the housing 100 of the lighting device 1, the lighting device 1 can be firmly coupled to the external support member, but is not limited thereto. .

Hereinafter, the light source unit 300 of the lighting device 1 will be described in more detail.

5 and 6 are perspective views of the light source 300 of the lighting device 1, Figure 7 is an exploded perspective view of the light source 300 of the lighting device (1).

5 to 7, the light source unit 300 includes a first body 310a and a second body 310b, and a plurality of light emitting units mounted on the first body 310a and the second body 310b. An intermediate body 320 may be included between the diode 312 and the first body 310a and the second body 310b. The first body 310a, the second body 310b, and the intermediate body 320 form a body of the light source unit 300.

Since the height of the intermediate body 320 is smaller than the height of the first and second bodies 310a and 310b, the second connection is formed between the first body 310a and the second body 310b on the intermediate body 320. The terminal 330 and the spring 340 may be formed.

The first body 310a, the second body 310b and the intermediate body 320 may be coupled to each other by coupling the coupling cap 350 to at least one end. At this time, the first body 310a, the second body 310b and the intermediate body 320 may be coupled to be rotatable.

In detail, as illustrated in FIG. 7, a plurality of grooves 361a, 361b, 361c, 361d, 361e, formed at both ends of the first body 310a, the second body 310b, and the intermediate body 320. A plurality of protrusions 351a, 351b, 351c, 351d, 351e, and 351f formed on the coupling cap 350 are inserted into the 361f), thereby allowing the first body 310a, the second body 310b, and the intermediate body 320 to be inserted into the coupling cap 350. ) May be combined.

In this case, the plurality of grooves 361 are connected to each other such that the first body 310a and the second body 310b are rotatable with respect to a predetermined angle using the lower region of the light source unit 300 as a rotation axis. And the shape and the formation position of the plurality of protrusions 351 can be determined.

For example, the grooves 361d, 361e, and 361f formed in the lower region of the light source unit 300 may be formed to be adjacent to each other to function as a rotation axis. In addition, the grooves 361a and 361c formed in the first body 310a and the second body 310b of the grooves 361a, 361b and 361c formed at the middle portion of at least one end of the light source unit 300 may have an outer side. Is formed to be open, it can be designed to be separated from the projections (351a, 351c) of the coupling cap 350 when the first body (310a) and the second body (310b) is rotated. However, this is not limitative.

In addition, the spring 340 may be disposed between the first body 310a and the second body 310b on the intermediate body 320. The spring 340 is formed between the first body 310a and the second body 310b, and serves to push the first body 310a and the second body 310b which are rotatably coupled to each other. do. Therefore, as shown in FIG. 4, by the force applied by the spring 340, the protruding end 313 formed on the upper ends of the first body 310a and the second body 310b is the coupling member ( It can be firmly coupled to the insertion groove 112 of 110.

For example, as illustrated in FIGS. 6 and 7, the spring 340 may have a “c” shape, and an upper surface of the intermediate body 320, the first body 310a and the second body ( 310b) may be in contact with the inner surface, but is not limited thereto.

10 is a view illustrating a process in which the light source unit 300 is coupled to the insertion groove 112 of the coupling member 110.

Referring to FIG. 10A, a first force F is applied to the first body 310a and the second body 310b of the light source unit 300 rotatably coupled to the lower region as a rotation axis. The angle between the first body 310a and the second body 310b is reduced.

When the first force F is not applied, the first body 310a and the second body 310b are separated from each other by the spring 340, so that the light source unit 300 is coupled to the coupling member 110. This is because the insertion groove 112 of the can not be inserted.

Referring to FIG. 10B, the light source unit 300 is coupled to the light source unit 300 while applying the first force F to the first body 310a and the second body 310b of the light source unit 300. The light source unit 300 may be coupled to the coupling member 110 by inserting into the insertion groove 112 of the member 110.

Accordingly, the protruding end 313 of the upper end of the light source 300 is inserted into the third groove 113 formed on the inner surface of the insertion groove 112, the light source 300 is connected to the coupling member 110. It can be firmly combined.

In addition, the spring 340 disposed between the first body 310a and the second body 310b pushes the first body 310a and the second body 310b to each other so that the protruding end 313 ) May be more firmly coupled to the third groove 113.

When a failure or a defect occurs in the light source unit 300, the first body F is applied to the first body 310a and the second body 310b to apply the first body 310a and the second body. After the angle formed by the 310b is reduced, the light source 300 may be easily separated from the coupling member 110.

5 to 7, the intermediate body 320 may be formed between the first body 310a and the second body 310b, the sensor unit 321 of the intermediate body 320 is It may be exposed between the first body 310a and the second body 310b.

The sensor unit 321 may detect various data such as an image, an audio, a pressure, and a temperature through an area exposed between the first body 310a and the second body 310b.

As the sensor unit 321 is formed, the lighting device 1 may provide various functions in addition to providing light to the user. In addition, various types of data sensed by the sensor unit 321 may be linked to driving of the plurality of light emitting diodes 312 so that the lighting device 1 may be appropriately driven in an environment. That is, the brightness and the color of the plurality of light emitting diodes 312 may be adjusted by the data sensed by the sensor unit 321.

The sensor unit 321 may include, for example, at least one of a camera, a photo sensor, a pressure sensor, a temperature sensor, an anti-theft sensor, but is not limited thereto.

Hereinafter, the first connection terminal 120 and the second connection terminal 330 of the lighting device 1 and the coupling relationship thereof will be described in detail.

Referring to FIG. 10, the first connection terminal 120 is formed in the insertion groove 112 of the coupling member 110, and the first connection terminal 120 is disposed on the intermediate body 320 of the light source unit 300. ) And the second connection terminal 330 may be formed.

The first connection terminal 120 and the second connection terminal 330 may be coupled as the light source unit 300 is inserted into the insertion groove 112.

The first connection terminal 120 and the second connection terminal 330 are coupled to the plurality of light emitting diodes 312 of the light source unit 300 to supply power and / or a driving signal provided from the power driver 400. And / or the sensor unit 321.

The first connection terminal 120 may be formed, for example, in an intermediate portion of the insertion groove 112 of the coupling member 110, and the second connection terminal 330 also includes the first connection terminal 120. It may be formed in the middle portion of the upper surface of the intermediate body 320 so as to correspond to the position. In addition, the first connection terminal 120 and the second connection terminal 330 may be formed in one or a plurality according to the design of the lighting device 1, with respect to the position and number of the connection terminal (120,330) It is not limited.

FIG. 8 is a perspective view illustrating a coupling relationship between the first connection terminal 120 and the second connection terminal 330 of the lighting device 1, and FIGS. 9A and 9B illustrate the first connection terminal, respectively. Top view of the 120 and the second connection terminal 330.

8 and 9, the first connection terminal 120 includes a first female block 121a and a second female block 121b, and the second connection terminal 330 is a first male block. 331a and a second male block 331b.

A first protrusion 123a and a second protrusion 123b are formed in the first arm block 121a, and a third protrusion 123c and a fourth protrusion 123d are formed in the second arm block 121b. Can be formed. In addition, a first insertion portion 333a and a second insertion portion 333b are formed in the first male block 331a, and a third insertion portion 333c and a third portion are formed in the second male block 331b. 4 insertion portion 333d may be formed.

As the first connection terminal 120 and the second connection terminal 330 are coupled, the first, second, third and fourth protrusions 123a, 123b, 123c, and 123d respectively correspond to the first, second, third, and the like. 4 can be combined with the inserts (333a, 333b, 333c, 333d). Alternatively, when the direction of the light source unit 300 is coupled to the insertion groove 112, the first, second, third and fourth protrusions 123a, 123b, 123c, and 123d are respectively formed in the fourth, third, It can be combined with the 2,1 insertion portion (333d, 333c, 333b, 333a), but is not limited thereto.

At this time, some of the protrusion 123 provides power to the light source 300 or / and the sensor unit 321 from the power driving unit 400, the rest of the light source unit 300 or / and the sensor unit 321. ) May provide a driving signal.

For example, the first protrusion 123a and the fourth protrusion 123d located outside the first and second arm blocks 121a and 121b may have the first insertion portion 333a and the fourth insertion portion 333d. And a second projection part disposed on the inner side of the first and second arm blocks 121a and 121b to provide any one of a power source and a driving signal to the light source unit 300 and / or the sensor unit 321. 123b and the third protrusion 123c are combined with the second insertion part 333b and the third insertion part 333c to provide the other one of a power source and a driving signal to the light source unit 300 and / or the sensor unit 321. Can be provided.

On the other hand, regardless of the direction of the light source unit 300, the first arm block 121a and the second arm block 121b are mutually so that the light source unit 300 can be easily coupled to the coupling member 120. It has a symmetrical structure, and the first male block 331a and the second male block 331b may also have symmetrical structures with each other.

However, the shape of the first connection terminal 120 and the second connection terminal 330 is not limited.

11 is a diagram illustrating the reflector 200 of the lighting device 1.

Referring to FIG. 11, the reflector 200 may include a first reflector 200a and a second reflector 200b, and each of the first reflector 200a and the second reflector 200b may be formed in the housing ( 100) and the coupling member 110 may be supported.

3 and 11, the second side 220 of the reflector 200 may be formed to have a step difference. In addition, the first side 210 of the reflector 200 may also be formed to have a step, and may include at least one insertion end 211.

The second side 220 of the reflector 200 is inserted into the first groove 111 formed on both sides of the coupling member 110, at least one insertion end 211 of the first side 210 is The second groove 103 formed on the inner surface of the housing 100 may be inserted and supported, but is not limited thereto.

Each of the first reflector 200a and the second reflector 200b may have a parabolic shape, and the first reflector 200a and the second reflector 200b may have a parabola shape having two parabolic surfaces. Can be. In addition, the reflector 200 may extend in a first direction. However, the shape of the reflector 200 may be variously modified according to the desired illumination.

12 and 13 are cross-sectional views of a coupling member and a light source unit of a lighting apparatus according to another embodiment. In the description of the lighting device, the content overlapping with the above description is omitted.

12 and 13, a plurality of third grooves 113a, 113b, and 113c may be formed on an inner side surface of the insertion groove 112 of the coupling member 110 of the lighting device.

Although the third grooves 113a, 113b, and 113c are illustrated as being formed in three, the number of the third grooves 113a, 113b, and 113c is not limited thereto.

The light source unit 300 of the lighting device is inserted into and coupled to the insertion groove 112. At this time, the protruding end 313 of the upper end of the light source 300 is inserted into any one of the plurality of third grooves 113a, 113b, and 113c, thereby firmly coupling the light source 300 to the coupling member 110. can do.

As shown in FIG. 12, the forming depths of the plurality of third grooves 113a, 113b, and 113c may be different from each other, and the protruding end 313 of the light source unit 300 may include the plurality of third depths. According to which of the grooves 113a, 113b, and 113c is inserted, the light distribution of the lighting apparatus may be variously adjusted.

In addition, as shown in FIG. 13, the inner surface of the insertion groove 112 has an inclination, and the inner surface of the insertion groove 112 having the inclination of the plurality of third grooves 113a, 113b, and 113c has an inclination. In the case where the protrusion end 313 is inserted into the groove of the plurality of third grooves 113a, 113b, and 113c, the first body 310a and the second body of the light source unit 300 are formed. Since the angle of angle 310b may vary, light distribution of the lighting apparatus may be variously adjusted.

As described above, since the plurality of third grooves 113a, 113b, and 113c are formed on the inner surface of the insertion groove 112, the light distribution of the lighting apparatus can be variously adjusted, and thus the width of the reflector 200 is provided. Even when the curvature is changed, it is possible to provide efficient lighting without replacing the light source unit 300.

Features, structures, effects, and the like described in the above embodiments are included in at least one embodiment of the present invention, and are not necessarily limited to only one embodiment. Furthermore, the features, structures, effects, and the like illustrated in the embodiments may be combined or modified with respect to other embodiments by those skilled in the art to which the embodiments belong. Therefore, it should be understood that the present invention is not limited to these combinations and modifications.

In addition, the above description has been made with reference to the embodiment, which is merely an example, and is not intended to limit the present invention. Those skilled in the art to which the present invention pertains will be illustrated as above without departing from the essential characteristics of the present embodiment. It will be appreciated that various modifications and applications are possible. For example, each component specifically shown in the embodiment can be modified. And differences relating to these modifications and applications will have to be construed as being included in the scope of the invention defined in the appended claims.

1 is a perspective view of a lighting apparatus according to an embodiment.

2 is an exploded perspective view of the lighting apparatus according to the embodiment.

3 is a cross-sectional view of the lighting apparatus according to the embodiment.

4 is an enlarged view of region A of FIG. 3.

5 and 6 are perspective views of a light source unit of the lighting apparatus according to the embodiment.

7 is an exploded perspective view of a light source unit of the lighting apparatus according to the embodiment.

8 is a perspective view illustrating a coupling relationship between a first connector and a second connector of the lighting apparatus according to the embodiment.

9 is a top view of a first connection terminal and a second connection terminal of the lighting apparatus according to the embodiment.

10 is a view showing a coupling relationship between the light source unit and the coupling member of the lighting apparatus according to the embodiment.

11 is a diagram illustrating a reflector of the lighting apparatus according to the embodiment.

12 and 13 are cross-sectional views of a coupling member and a light source unit of a lighting apparatus according to another embodiment.

Claims (18)

housing; A coupling member formed on a bottom surface of the housing and including at least one first connection terminal; At least one reflector installed in the housing; And And at least one second connection terminal coupled to the at least one first connection terminal on an upper surface thereof, and including a light source unit coupled to the coupling member to emit light toward the at least one reflector. The method of claim 1, The light source unit includes a body including a first inclined surface and a second inclined surface, and a plurality of light emitting diodes mounted on the first inclined surface and the second inclined surface. 3. The method of claim 2, The body includes a first body and a second body including a first inclined surface and a second inclined surface, respectively, and a lighting device including an intermediate body between the first body and the second body. The method of claim 3, wherein The height of the intermediate body is less than the height of the first body and the second body, the second connection terminal is a lighting device formed on the intermediate body. The method of claim 1, The coupling member includes an insertion groove, wherein the first connection terminal is formed in the insertion groove, at least a portion of the light source is inserted into the insertion groove is coupled to the lighting device. The method of claim 5, A third groove is formed inside the insertion groove, a protruding end is formed at an upper end of the light source, and the protruding end is inserted into the third groove. The method of claim 3, wherein The first body, the second body and the intermediate body is rotatably coupled, the lighting device is disposed between the spring and the first body and the second body. The method of claim 5, The first connecting terminal is formed in the middle portion of the insertion groove, the second connecting terminal is formed in the middle portion of the light source. The method of claim 1, The first connecting terminal includes at least one arm block, and the second connecting terminal includes at least one male block. The method of claim 9, A plurality of projections are formed in the at least one arm block, a plurality of insertion portions are formed in the at least one male block. The method of claim 10, Some of the plurality of protrusions transmit power to the light source, and some of the plurality of protrusions transmit a driving signal to the light source. The method of claim 1, And a power driver electrically connected to the light source unit in the housing to transmit at least one of a power source and a driving signal. The method of claim 1, Each of the at least one reflector is parabolic and formed to extend in a first direction. The method of claim 1, At least one side of the coupling member is formed with a first groove into which the first side of the at least one reflector is inserted, and inside the housing is formed a second groove into which the second side of the at least one reflector is formed. Device. The method of claim 1, The lighting device is formed to extend in the first direction. 3. The method of claim 2, And a light emitting groove is formed in the first inclined surface and the second inclined surface, and the plurality of light emitting diodes are mounted in the light emitting groove. The method of claim 1, At least one end of the light source unit is a lighting device coupled to the coupling cap. The method of claim 1, Lighting device coupled to the lower end of the side of the housing is coupled to the coupling frame for coupling the housing to the external support member.

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