WO2021182840A1 - Lighting unit and rail-type lighting device comprising same - Google Patents

Abstract

A lighting unit and a rail-type lighting device comprising same are disclosed. The disclosed lighting unit according to an embodiment comprises: a body unit, and body coupling units coupled to both ends of the body unit, wherein: the body unit comprises a body plate provided along the lengthwise direction of the body unit, a pair of first body protrusion portions provided to protrude at both sides of the upper portion of the body plate, the pair of first body protrusion portions being provided along the lengthwise direction of the body plate, and a pair of coupling protrusion portions provided to protrude outward at both ends of the pair of first body protrusion portions, respectively; and the body coupling units comprise a body coupling plate provided along the lengthwise direction of the body coupling units, a pair of second body protrusion portions provided to protrude at both sides of the upper portion of the body coupling plate, the pair of second body protrusion portions being provided along the lengthwise direction of the body coupling plate, and a pair of body coupling grooves, which are provided at one end of the pair of second body protrusion portions along the lengthwise direction of the pair of second body protrusion portions, and have the pair of coupling protrusion portions coupled and bound thereto.

Description

Lighting unit and rail-type lighting device having same

Embodiments of the present invention relate to lighting technology.

Recently, a rail-type lighting device in which a rail is installed on a ceiling or a wall surface and the light is mounted to be movable along the rail has been widely used. In the rail-type lighting device, not only a physical coupling between the rail unit and the lighting unit is required, but also an electrical interconnection between the rail unit and the lighting unit. In addition, a firm bond must be maintained between the respective components in the lighting unit.

An embodiment of the present invention is to provide a lighting unit capable of increasing the bonding force between each component of the lighting unit and a rail-type lighting device having the same.

A lighting unit according to an embodiment of the present invention, a body portion; and a body coupling part coupled to the body part at both ends of the body part, wherein the body part includes: a body plate provided along a longitudinal direction of the body part; a pair of first body protrusions respectively protruding from both sides of the upper portion of the body plate and provided along a longitudinal direction of the body plate; a pair of coupling protrusions provided to protrude outward from both ends of the pair of first body protrusions, respectively, wherein the body coupling part includes: a body coupling plate provided along a longitudinal direction of the body coupling part; a pair of second body protrusions respectively protruding from both upper sides of the body coupling plate and provided along the longitudinal direction of the body coupling plate; and a pair of body coupling grooves provided along the longitudinal direction of the pair of second body protrusions at one end of the pair of second body protrusions, and into which the pair of coupling protrusions are inserted and coupled.

The pair of coupling protrusions may include: an elastic coupling part provided at an upper end of the pair of coupling protrusions and having an elastic opening in which a portion of the pair of coupling protrusions is cut inwardly at a lower portion thereof; and a fastening protrusion protruding from the upper surface of the elastic fastening part, wherein the pair of second body protrusions include a fastening groove in communication with the pair of body coupling grooves and into which the fastening protrusions are inserted and caught. can

The pair of coupling protrusions may further include inclined portions provided to be inclined toward the other side on the opposite sides of the pair of coupling protrusions.

The body portion may include: a first guide portion provided to protrude from both sides of a lower portion of the body plate and provided along a longitudinal direction of the body plate; and shifting protrusions provided at both ends of the first guide part to protrude outward than the body plate.

The body coupling portion may include a second guide portion provided to protrude from both sides of the lower portion of the body coupling plate, and provided along a longitudinal direction of the body coupling plate; and a shift groove provided at one end of the second guide part facing the body part, provided inside the body coupling plate, and formed to correspond to the shift protrusion.

The body part is provided to protrude from both sides of the lower portion of the body plate, and further includes a first guide part provided along a longitudinal direction of the body plate, and the body coupling part is provided to protrude on both lower sides of the body coupling plate, respectively. and a second guide part provided along the longitudinal direction of the body coupling plate, wherein the lighting unit includes a lighting unit accommodated in a space between the first guide part and the second guide part. may include more.

The body portion may further include a first guide groove provided inside the first guide portion in a longitudinal direction of the first guide portion, and the body coupling portion may be disposed inside the second guide portion in a longitudinal direction of the second guide portion. It further includes a second guide groove provided along the, the lighting unit, the first guide groove and the second guide groove may further include a diffusion unit coupled to slide along the groove.

The lighting unit may include: a magnetic body receiving groove formed in the pair of second body protrusions; and a magnetic material accommodated in the magnetic material receiving groove.

The lighting unit may include a rail coupling part provided at the other end of the body coupling part and coupled to the rail unit; and a groove formed between the other end of the body coupling part and the rail coupling part so that the rail coupling part is spaced inwardly by a predetermined distance from the other end of the body coupling part.

The lighting unit may include: a lighting unit accommodated in the body portion and the body coupling portion; and a connection part provided on one surface of the lighting part and connected to a conductive line for supplying power to the rail unit, wherein the connection part may be formed in a plurality of pairs along a longitudinal direction of the lighting part.

A lighting unit according to another embodiment of the present invention, a first body portion; a second body portion having one end connected to one end of the first body portion and having a longitudinal direction different from that of the first body portion; a first body coupling part coupled to the other end of the first body part and having the same longitudinal direction as the first body part; a second body coupling part coupled to the other end of the second body part and having the same longitudinal direction as the second body part; a first lighting unit accommodated in the first body unit and the first body coupling unit; and a second lighting unit accommodated in the second body unit and the second body coupling unit.

The first body portion includes a pair of first coupling protrusions provided to protrude outward from the other end of the first body portion, and the second body portion is provided to protrude outwardly from the other end of the second body portion. A pair of second coupling protrusions is included, wherein the first body coupling section is provided at an end opposite to the first body section along the longitudinal direction of the first body coupling section, and the pair of first coupling protrusions are inserted. and a pair of first body coupling grooves to be coupled to each other, wherein the second body coupling part is provided at an end opposite to the second body part along the longitudinal direction of the second body coupling part, It may include a pair of second body coupling grooves into which the two coupling protrusions are inserted and coupled.

The first illumination unit and the second illumination unit may be provided to have different light irradiation directions.

The first body part is provided in a first axial direction, the second body part is provided in a second axial direction perpendicular to the first axial direction, and the pair of first coupling protrusions includes the first body At the other end of the part, the first axial direction and the second axial direction are respectively disposed to be spaced apart from each other in a third axial direction, and the pair of second coupling protrusions may include the third axis at the other end of the second body part. direction may be spaced apart from each other.

The first illuminator and the second illuminator may be provided to have the same light irradiation direction.

The first body part is provided in a first axial direction, the second body part is provided in a second axial direction perpendicular to the first axial direction, and the pair of first coupling protrusions includes the first body The other end of the part may be disposed to be spaced apart from each other in the second axial direction, and the pair of second coupling protrusions may be disposed to be spaced apart from each other in the first axial direction at the other end of the second body part.

A rail-type lighting device according to an embodiment of the present invention includes a mounting unit mounted on an installation surface, a rail unit coupled to the mounting unit and provided along a longitudinal direction of the mounting unit, and coupled to the rail unit and the rail A rail-type lighting device comprising a lighting unit electrically connected to the unit, the rail unit comprising: a rail body coupled to the mounting unit inside the mounting unit; a rail protrusion formed to protrude from one surface of the rail body; and a conductive line provided along a longitudinal direction of the rail body on at least one of both sides of the rail protrusion and one surface of the rail body, wherein the lighting unit includes: a body; and a body coupling part coupled to the body part at both ends of the body part, wherein the body part includes: a body plate provided along a longitudinal direction of the body part; a pair of first body protrusions respectively protruding from both sides of the upper portion of the body plate and provided along a longitudinal direction of the body plate; a pair of coupling protrusions provided to protrude outward from both ends of the pair of first body protrusions, respectively, wherein the body coupling part includes: a body coupling plate provided along a longitudinal direction of the body coupling part; a pair of second body protrusions respectively protruding from both upper sides of the body coupling plate and provided along the longitudinal direction of the body coupling plate; and a pair of body coupling grooves provided along the longitudinal direction of the pair of second body protrusions at one end of the pair of second body protrusions, and into which the pair of coupling protrusions are inserted and coupled.

A rail-type lighting device according to another embodiment of the present invention includes a mounting unit mounted on an installation surface, a rail unit coupled to the mounting unit and provided along a longitudinal direction of the mounting unit, and coupled to the rail unit and the rail A rail-type lighting device comprising a lighting unit electrically connected to the unit, the rail unit comprising: a rail body coupled to the mounting unit inside the mounting unit; a rail protrusion formed to protrude from one surface of the rail body; and a conductive line provided along a longitudinal direction of the rail body on at least one of both sides of the rail protrusion and one surface of the rail body, wherein the lighting unit includes: a first body portion; a second body portion having one end connected to one end of the first body portion and having a longitudinal direction different from that of the first body portion; a first body coupling part coupled to the other end of the first body part and having the same longitudinal direction as the first body part; a second body coupling part coupled to the other end of the second body part and having the same longitudinal direction as the second body part; a first lighting unit accommodated in the first body unit and the first body coupling unit; and a second lighting unit accommodated in the second body unit and the second body coupling unit.

A rail-type lighting device according to another embodiment of the present invention includes a mounting unit mounted on an installation surface, a rail unit coupled to the mounting unit and provided along a longitudinal direction of the mounting unit, and the rail unit coupled to the A rail-type lighting device comprising a lighting unit electrically connected to a rail unit, the lighting unit comprising: a first lighting unit provided along a longitudinal direction of the rail unit; a second lighting unit having one end provided to face the first lighting unit, wherein the second lighting unit includes: a first body portion having the same longitudinal direction as that of the first lighting unit; a second body portion having one end connected to one end of the first body portion and having a longitudinal direction different from that of the first body portion; a first body coupling part coupled to the other end of the first body part and having the same longitudinal direction as the first body part; a second body coupling part coupled to the other end of the second body part and having the same longitudinal direction as the second body part; a first lighting unit accommodated in the first body unit and the first body coupling unit; and a second lighting unit accommodated in the second body unit and the second body coupling unit.

According to an embodiment of the present invention, by forming a pair of coupling protrusions on the body portion in the lighting unit and forming a pair of body coupling grooves on the body coupling portion, the coupling between the body portion and the body coupling portion can be made firmly. there will be

In addition, by forming a misalignment protrusion in the first guide portion of the body portion and forming a misalignment groove in the second guide portion of the body coupling portion, the joint surface of the body portion and the body coupling portion is not provided in a straight line, but is provided to be misaligned, thereby The coupling force between the part and the body coupling part is improved, so that it can be prevented from being bent by an external force in the vertical direction.

In addition, by changing the shape of the body part to cross each other or by changing the formation direction of a pair of coupling protrusions of the body part while the configuration of the body coupling part is the same, the lighting parts can be cross-connected, and the light irradiation direction of each lighting part is the same You can create a variety of lighting effects, such as different or different.

1 is a perspective view showing a rail-type lighting device according to an embodiment of the present invention;

2 is an exploded perspective view showing a rail-type lighting device according to an embodiment of the present invention;

3 is a perspective view showing a body part according to an embodiment of the present invention;

4 is a view showing a state in which the body part and the body coupling part are coupled in one embodiment of the present invention;

5 is a view showing the side of the body portion and the body coupling portion coupled state in an embodiment of the present invention;

6 is a perspective view showing one end of the lighting unit in one embodiment of the present invention;

7 is a perspective view showing a lighting unit according to another embodiment of the present invention;

8 is an exploded perspective view illustrating a lighting unit according to another embodiment of the present invention;

9 is a perspective view showing a lighting unit according to another embodiment of the present invention;

10 is an exploded perspective view illustrating a lighting unit according to another embodiment of the present invention;

11 is a perspective view showing a rail-type lighting device according to another embodiment of the present invention;

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. DETAILED DESCRIPTION The following detailed description is provided to provide a comprehensive understanding of the methods, devices, and/or systems described herein. However, this is merely an example and the present invention is not limited thereto.

In describing the embodiments of the present invention, if it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification. The terminology used in the detailed description is for the purpose of describing embodiments of the present invention only, and should in no way be limiting. Unless explicitly used otherwise, expressions in the singular include the meaning of the plural. In this description, expressions such as “comprising” or “comprising” are intended to indicate certain features, numbers, steps, acts, elements, some or a combination thereof, and one or more other than those described. It should not be construed to exclude the presence or possibility of other features, numbers, steps, acts, elements, or any part or combination thereof.

On the other hand, directional terms such as upper side, lower side, one side, the other side, etc. are used in connection with the orientation of the disclosed drawings. Since components of embodiments of the present invention may be positioned in various orientations, the directional terminology is used for purposes of illustration and not limitation.

Also, terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The above terms may be used for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component.

1 is a perspective view illustrating a rail-type lighting device according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view illustrating a rail-type lighting device according to an embodiment of the present invention.

1 and 2 , the rail-type lighting device 10 may include a rail unit 100 and a lighting unit 200 .

The rail unit 100 may be detachably coupled to a mounting unit (not shown). Here, the mounting unit (not shown) may be mounted on an installation surface of the rail-type lighting device 10 (eg, an indoor wall or a surface of a structure such as a ceiling or furniture). In an exemplary embodiment, the rail unit 100 may be slide-coupled with a mounting unit (not shown), but is not limited thereto. The lighting unit 200 may be mechanically and electrically connected to the rail unit 100 .

The rail unit 100 may include a rail body 102 , a rail protrusion 104 , a first conductive line 106 , and a second conductive line 108 .

The rail body 102 may be coupled to a mounting unit (not shown). For example, the rail body 102 may be slide-coupled with a mounting unit (not shown), but the coupling method is not limited thereto.

The rail protrusion 104 is a portion in which the rail unit 100 is coupled to the lighting unit 200 . The rail protrusion 104 may be provided to protrude from one surface (ie, the surface facing the lighting unit 200 ) of the rail body 102 . In an exemplary embodiment, the rail protrusion 104 may be provided along the longitudinal direction of the rail body 102 at the center of one surface of the rail body 102 .

The first conductive line 106 may be provided on both sides of the rail protrusion 104 . The first conductive line 106 may be provided along the length direction of the rail protrusion 104 . In an exemplary embodiment, the first conductive line 106 may be provided by being inserted into grooves formed on both sides of the rail protrusion 104 .

The second conductive line 108 may be provided on one surface of the rail body 102 . The second conductive line 108 may be provided along the length direction of the rail body 102 . The second conductive line 108 may be provided on both sides of one surface of the rail body 102 with the rail protrusion 104 interposed therebetween. In an exemplary embodiment, the second conductive line 108 may be provided by being inserted into a groove formed on one surface of the rail body 102 .

Here, the first conductive line 106 may be a conductive line for supplying power, and the second conductive line 108 may be a conductive line for lighting control (eg, dimming control, color temperature control, etc.). However, the present invention is not limited thereto, and the first conductive line 106 may be a conductive line for controlling lighting, and the second conductive line 108 may be a conductive line for supplying power. Alternatively, both the first conductive line 106 and the second conductive line 108 may be used as a conductive line for supplying power, or may be used as a conductive line for controlling lighting.

The lighting unit 200 may be coupled to the rail unit 100 under the rail unit 100 . The lighting unit 200 may be electrically connected to the rail unit 100 . The lighting unit 200 may receive power from the rail unit 100 . The lighting unit 200 may receive a lighting control signal from the rail unit 100 . The lighting unit 200 may be provided to be movable along the rail unit 100 , but is not limited thereto.

The lighting unit 200 may include a body portion 202 , a body coupling portion 204 , a lighting portion 206 , and a diffusion portion 208 .

The body part 202 may be provided along the longitudinal direction of the lighting unit 200 . In an exemplary embodiment, the body portion 202 may be made of an insulating material, but is not limited thereto, and may be made of a metal material to increase heat dissipation efficiency of the lighting unit 206 .

3 is a perspective view showing a body portion according to an embodiment of the present invention. Referring to FIG. 3 , the body part 202 may include a body plate 202a, a first guide part 202b, a pair of first body protrusions 202c, and a pair of coupling protrusions 202d. have.

The body plate 202a may be provided along the longitudinal direction of the lighting unit 200 . The body plate 202a may be formed in the form of a flat plate, but the shape is not limited thereto.

The first guide part 202b may be provided to protrude from both lower sides of the body plate 202a, respectively. The first guide part 202b may be provided along the longitudinal direction of the body plate 202a. A first guide groove 202b - 1 may be provided inside the first guide part 202b in the longitudinal direction of the first guide part 202b. In addition, the lighting unit 206 may be accommodated in the space S1 between the first guide units 202b protruding from both lower sides of the body plate 202a.

A pair of first body protrusions 202c may be provided to protrude from both upper sides of the body plate 202a, respectively. The pair of first body protrusions 202c may be provided along the longitudinal direction of the body plate 202a. The rail protrusion 104 may be inserted into the space S2 between the pair of first body protrusions 202c.

Meanwhile, shifting protrusions 202b - 2 may be provided at both ends of the first guide part 202b. The shifting protrusion 202b-2 protrudes outward from the body plate 202a and the pair of first body protrusions 202c at both ends of the first guide part 202b in which the first guide groove 202b-1 is formed. can be provided. Accordingly, the first guide portion 202b may be provided longer than the body plate 202a and the pair of first body protrusions 202c.

The pair of coupling protrusions 202d may be provided to protrude outward from both ends of the pair of first body protrusions 202c, respectively. The pair of coupling protrusions 202d may protrude in the longitudinal direction of the body 202 . The pair of coupling protrusions 202d may be coupled to the body coupling part 204 .

In an exemplary embodiment, the pair of coupling protrusions 202d may have a rectangular parallelepiped shape, but the shape is not limited thereto. An inclined portion 202d-1 may be provided on the side of the pair of coupling protrusions 202d facing each other. The inclined portion 202d-1 may be provided to be inclined toward the other in the pair of coupling protrusions 202d.

An elastic coupling part 202d-2 may be provided on the pair of coupling protrusions 202d. The elastic fastening part 202d-2 may be provided at the upper end of the pair of coupling protrusions 202d. An elastic opening 202d-3 may be provided at a lower portion of the elastic fastening portion 202d-2. The elastic opening 202d - 3 may be provided by cutting the inside of the pair of coupling protrusions 202d. The elastic fastening portion 202d-2 has elasticity due to the elastic opening 202d-3.

A fastening protrusion 202d-4 may be provided on the upper surface of the elastic fastening part 202d-2. The fastening protrusion 202d - 4 may be provided at the end of the upper surface of the elastic fastening part 202d - 2 . The front surface of the fastening protrusion 202d - 4 may be inclined.

The body coupling part 204 may be coupled to the body part 202 at both sides of the body part 202 . The body coupling part 204 may be made of an insulating material. Figure 4 is a view showing a state in which the body portion 202 and the body coupling portion 204 are coupled in one embodiment of the present invention, Figure 5 is the body portion 202 and the body coupling portion in an embodiment of the present invention (204) is a view showing the side of the coupled state.

4 and 5, the body coupling part 204 is a body coupling plate 204a, a second guide part 204b, a pair of second body protrusions 204c, and a pair of body coupling grooves ( 204d).

The body coupling plate 204a may be provided along the longitudinal direction of the lighting unit 200 . In an exemplary embodiment, the body coupling plate 204a may be formed in the form of a flat plate, but the shape is not limited thereto.

The second guide portion 204b may be provided to protrude from both lower sides of the body coupling plate 204a, respectively. The second guide portion 204b may be provided along the longitudinal direction of the body coupling plate 204a. A second guide groove 204b - 1 may be provided inside the second guide part 204b in the longitudinal direction of the second guide part 204b. In addition, the lighting unit 206 may be accommodated in the space S3 between the second guide parts 204b protruding from both lower sides of the body coupling plate 204a.

A pair of second body protrusions 204c may be provided to protrude from both upper sides of the body coupling plate 204a, respectively. The pair of second body protrusions 204c may be provided along the longitudinal direction of the body coupling plate 204a. The rail protrusion 104 may be inserted into the space S4 between the pair of second body protrusions 204c. A fastening groove 204c-1 may be provided on an upper surface of the pair of second body protrusions 204c. The fastening groove (204c-1) may be provided in communication with the pair of body coupling grooves (204d).

Meanwhile, a misalignment groove 204b - 2 may be provided at one end of the second guide portion 204b (the end facing the body portion 202 ). The misalignment groove (204b-2) may be provided inwardly from one end of the second guide part (204b) than the body coupling plate (204a) and the pair of second body protrusions (204c). Accordingly, one end of the second guide portion 204b may be provided shorter than the body coupling plate 204a and the pair of second body protrusions 204c.

A pair of body coupling grooves 204d may be provided in a pair of second body protrusions 204c. The pair of body coupling grooves 204d may be provided along the longitudinal direction of the pair of second body protrusions 204c at one end of the pair of second body protrusions 204c. The pair of body coupling grooves 204d may be provided to face the pair of coupling protrusions 202d. In addition, the pair of body coupling grooves 204d may be formed in a shape corresponding to the pair of coupling protrusions 202d.

Here, the pair of coupling protrusions 202d may be inserted into the pair of body coupling grooves 204d. At this time, as the front surface of the fastening protrusion 202d-4 is formed to be inclined, the pair of coupling protrusions 202d can be easily inserted into the pair of body coupling grooves 204d. And, the contact area between the pair of coupling protrusions 202d and the pair of body coupling grooves 204d is increased by the inclined portion 202d-1 of the pair of coupling protrusions 202d so that the coupling is firmly made. do.

When the pair of coupling protrusions 202d is inserted into the pair of body coupling grooves 204d, the elastic coupling part 202d-2 is inserted by the upper plate of the pair of second body protrusions 204c in a pressed state. Then, when the fastening protrusion 202d-4 reaches the position of the fastening groove 204c-1, the elastic fastening part 202d-2 is restored by elasticity and the fastening protrusion 202d-4 becomes the fastening groove 204c- 1) gets stuck. Then, the shifting projection 202b-2 formed in the first guide part 202b is inserted into the shifting groove 204b-2 formed in the second guide part 204b.

In this way, the body portion 202 and the body coupling portion 204 are coupled to each other by inserting a pair of coupling protrusions 202d into the pair of body coupling grooves 204d. At this time, as the shifting protrusion 202b-2 formed in the first guide part 202b is inserted into the shifting groove 204b-2 formed in the second guide part 204b, the body part 202 and the body coupling part ( 204) is not provided in a straight line, but is provided to be shifted. Therefore, the body portion 202 and the body coupling portion 204 can be prevented from being bent by an external force in the vertical direction by improving the coupling force.

On the other hand, the pair of second body protrusion 204c may be provided with a magnetic body receiving groove (204c-2). The magnetic body 210 may be accommodated in the magnetic body accommodating groove 204c-2. The magnetic material 210 may be fixed in the magnetic material receiving groove 204c-2. The magnetic material 210 may be detachably mounted in the magnetic material receiving groove 204c-2. The magnetic material 210 may be magnetically coupled to the second conductive line 108 .

In addition, a first connection part supporting part 204c-3 and a second connection part exposure hole 204c-4 may be provided in the pair of second body protrusions 204c, respectively. A detailed description thereof will be provided later.

Referring back to FIG. 2 , the lighting unit 206 may be accommodated under the body unit 202 and the body coupling unit 204 . Specifically, the lighting unit 206 may be accommodated in the space S1 between the first guide unit 202b and the space S3 between the second guide unit 204b. The lighting unit 206 may be formed in the form of a substrate on which a light emitting device (not shown) can be mounted. The lighting unit 206 may be provided along the longitudinal direction of the lighting unit 200 .

A first connection part 212 and a second connection part 214 may be fixedly provided on one surface (a surface facing the body part 202 and the body coupling part 204 ) of the lighting part 206 . One or more light emitting devices (eg, LEDs, etc.) may be mounted on the other surface of the lighting unit 206 (the surface facing the diffusion unit 208 ). The first connection part 212 and the second connection part 214 may be electrically connected to the lighting part 206 , respectively.

The first connection unit 212 may be formed of one or more pairs facing each other in the width direction of the illumination unit 206 on one surface of the illumination unit 206 . The first connection part 212 may be provided to be electrically connected to the first conductive line 106 . In this case, power may be supplied to the light emitting device (not shown) through the first conductive line 106 and the first connection part 212 .

Here, the first connection part 212 may be formed of a plurality of pairs. In an exemplary embodiment, a plurality of pairs of the first connector 212 may be arranged along the longitudinal direction of the lighting part 206 . As the first connection part 212 is configured in a plurality of pairs, it is possible to increase the power capacity of the lighting unit 200 compared to a case in which the first connection part 212 is configured as a pair.

The second connection unit 214 may be formed of a pair of parallel to each other in the longitudinal direction of the illumination unit 206 on one surface of the illumination unit 206 . The second connection part 214 may be provided to be electrically connected to the second conductive line 108 . In this case, the lighting control signal may be transmitted to the light emitting device (not shown) through the second conductive line 108 and the second connection part 214 .

6 is a perspective view showing one end of the lighting unit in one embodiment of the present invention. Referring to FIG. 6 , when a portion of the lighting unit 206 is accommodated under the body coupling unit 204 , the first connection unit 212 may be supported by the first connection unit support unit 204c - 3 . The first connection part 212 may be provided in a shape corresponding to the rail protrusion 104 . The first connection part 212 may be electrically connected to the first conductive line 106 in a state supported by the first connection part support part 204c - 3 . That is, the first conductive line 106 may be electrically connected to the first connecting portion 212 while the rail protrusion 104 is inserted into the first connecting portion 212 and mechanically coupled thereto.

In addition, when a portion of the lighting unit 206 is accommodated in the lower portion of the body coupling unit 204 , the upper end of the second connection unit 214 may be exposed to the outside by the second connection unit exposure hole 204c - 4 . The second connection part 214 may be electrically connected to the second conductive line 108 in a state in which an upper end of the second connection part exposure hole 204c - 4 is exposed to the outside. In an exemplary embodiment, the height of the upper end of the second connection part 214 may be higher than the height of the magnetic body 210 . The second connection portion 214 may have a structure that provides an elastic force in the direction of the second conductive line 108 to maintain electrical connection with the second conductive line 108 .

Meanwhile, the other end of the body coupling part 204 may be provided with a rail coupling part 216 coupled thereto. The rail coupling part 216 may be coupled to the rail protrusion 104 . Here, the rail coupling part 216 may be spaced apart from the other end of the body coupling part 204 to the inside of the body coupling part 204 . Accordingly, a groove 218 is provided between the other end of the body coupling part 204 and the rail coupling part 216 .

That is, as the rail coupling part 216 is provided to be inwardly spaced apart by a predetermined distance d1 from the other end of the body coupling part 204 , a groove portion between the other end of the body coupling part 204 and the rail coupling part 216 . (218) is formed. The groove 218 may provide a space for the user to insert a finger and hold the lighting unit 200 . In this case, the user can easily detach the lighting unit 200 from the rail unit 100 while holding the groove 218 by hand.

Referring back to FIG. 2 , the diffusion part 208 may be provided under the body part 202 and the body coupling part 204 . The diffusion part 208 may be slide-coupled to the lower part of the body part 202 and the body coupling part 204 . The diffusion part 208 may be slide-coupled along the first guide part 202b and the second guide part 204b under the body part 202 and the body coupling part 204 .

Slide coupling portions 208a may be formed at both upper ends of the diffusion portion 208 in the longitudinal direction of the diffusion portion 208 . The slide coupling portion 208a may slide while being inserted into the first guide groove 202b-1 and the second guide groove 204b-1. A closing member 220 may be coupled to both ends of the diffusion unit 208 .

7 is a perspective view illustrating a lighting unit according to another embodiment of the present invention, and FIG. 8 is an exploded perspective view illustrating a lighting unit according to another embodiment of the present invention.

7 and 8 , the lighting unit 200 includes a body portion 202, a first body coupling portion 204-1, a second body coupling portion 204-2, and a first lighting unit 206-1. ), a second illumination unit 206 - 2 , a first diffusion unit 208 - 1 , and a second diffusion unit 208 - 2 . Here, the lighting unit 200 may be provided to irradiate light in different directions. The lighting unit 200 may further include a bracket 250 for mounting the lighting unit 200 to a mounting surface.

The body portion 202 may be fixed to the bracket 250 . The body part 202 may include a first body part 202-1 and a second body part 202-2. The first body portion 202-1 and the second body portion 202-2 may be provided to cross each other. That is, the second body portion 202-2 may be connected to one end of the first body portion 202-1 and provided to have a length direction different from the length direction of the first body portion 202-1.

Here, the body portion 202 may also serve to connect two different lighting units 206-1 and 206-2. In the lighting unit 200 according to the disclosed embodiment, the first lighting unit 206 - 1 and the second lighting unit 206 - 2 are cross-connected and the light irradiation directions may be different from each other.

In an exemplary embodiment, the first body portion 202-1 may be provided in the first axial direction (ie, the x-axis direction). The second body portion 202 - 2 may be provided in a second axial direction (ie, y-axis direction) perpendicular to the first axial direction. Here, although the first body portion 202-1 and the second body portion 202-2 are illustrated as being vertically provided, the present invention is not limited thereto, and various angles other than that may of course be achieved.

At the end of the first body portion 202-1, a pair of coupling protrusions 202d are disposed to be spaced apart from each other in a third axial direction (ie, z-axis direction) perpendicular to the first axial direction and the second axial direction, respectively. can be The first body coupling portion 204 - 1 may be coupled to an end of the first body portion 202-1 . The pair of coupling protrusions 202d of the first body portion 202-1 may be referred to as a pair of first coupling protrusions. The first body coupling portion 204 - 1 may include a pair of first body coupling grooves into which the pair of first coupling protrusions are inserted and coupled.

At the end of the second body portion 202-2, a pair of coupling protrusions 202d are disposed to be spaced apart from each other in the third axis direction (ie, the z-axis direction) perpendicular to the first axis direction and the second axis direction, respectively. can be The second body coupling part 204 - 2 may be coupled to an end of the second body part 202 - 2 . The pair of coupling protrusions 202d of the second body portion 202 - 2 may be referred to as a pair of second coupling protrusions. The second body coupling part 204-2 may include a pair of second body coupling grooves into which the pair of second coupling protrusions are inserted and coupled. Here, the first body coupling part 204-1 and the second body coupling part 204-2 may be formed in the same manner as the body coupling part 204 of the embodiment shown in FIGS. 2 to 6 .

The first lighting unit 206-1 may be accommodated in the first body unit 202-1 and the first body coupling unit 204-1. In this case, the first lighting unit 206 - 1 may be provided to irradiate light in the second axis direction. That is, the light emitting means of the first lighting unit 206 - 1 may be provided to face the second axis direction.

The second lighting unit 206 - 2 may be accommodated in the second body unit 202 - 2 and the second body coupling unit 204 - 2 . In this case, the second lighting unit 206 - 2 may be provided to irradiate light in the first axis direction. That is, the light emitting means of the second lighting unit 206 - 2 may be provided to face the first axis direction.

The first diffusion unit 208-1 may be slidably coupled to the first body unit 202-1 and the first body coupling unit 204-1. The first diffusion unit 208 - 1 may be provided on the light irradiation direction side of the first illumination unit 206 - 1 .

The second diffusion part 208-2 may be slide-coupled to the second body part 202-2 and the second body coupling part 204-2. The second diffusion unit 208 - 2 may be provided on the light irradiation direction side of the second illumination unit 206 - 2 .

9 is a perspective view illustrating a lighting unit according to another embodiment of the present invention, and FIG. 10 is an exploded perspective view illustrating a lighting unit according to another embodiment of the present invention.

9 and 10 , the lighting unit 200 includes a body part 202 , a first body coupling part 204-1, a second body coupling part 204-2, and a first lighting part 206-1. ), a second illumination unit 206 - 2 , a first diffusion unit 208 - 1 , and a second diffusion unit 208 - 2 . The lighting unit 200 may further include a bracket 250 for mounting the lighting unit 200 to a mounting surface. Here, in the lighting unit 200 , the first lighting unit 206 - 1 and the second lighting unit 206 - 2 are cross-connected, and the light irradiation directions may be the same.

The body part 202 may include a first body part 202-1 and a second body part 202-2. The first body portion 202-1 and the second body portion 202-2 may be provided to cross each other. In an exemplary embodiment, the first body portion 202-1 may be provided in the first axial direction (ie, the x-axis direction). The second body portion 202 - 2 may be provided in a second axial direction (ie, y-axis direction) perpendicular to the first axial direction. Here, although the first body portion 202-1 and the second body portion 202-2 are illustrated as being vertically provided, the present invention is not limited thereto, and various angles other than that may be achieved, of course.

At the end of the first body portion 202-1, a pair of coupling protrusions 202d may be disposed to be spaced apart from each other in the second axis direction (ie, the y-axis direction). The first body coupling portion 204 - 1 may be coupled to an end of the first body portion 202-1 .

At the end of the second body portion 202-2, a pair of coupling protrusions 202d may be disposed to be spaced apart from each other in the first axis direction (ie, the x-axis direction). The second body coupling part 204 - 2 may be coupled to an end of the second body part 202 - 2 .

Here, the first body coupling part 204-1 and the second body coupling part 204-2 are the first body coupling part 204-1 and the second body coupling part of the embodiment shown in FIGS. 7 and 8. (204-2) can be done in the same way. However, the first body coupling portion to match the direction in which the pair of coupling protrusions 202d of the first body portion 202-1 and the pair of coupling projections 202d of the second body portion 202-2 are formed. (204-1) and the second body coupling portion 204-2 may be coupled.

The first lighting unit 206-1 may be accommodated in the first body unit 202-1 and the first body coupling unit 204-1. In this case, the first lighting unit 206 - 1 may be provided to irradiate light in a third axis direction (ie, z direction) perpendicular to the first axis direction and the second axis direction, respectively. That is, the light emitting means of the first lighting unit 206 - 1 may be provided to face the third axis direction.

The second lighting unit 206 - 2 may be accommodated in the second body unit 202 - 2 and the second body coupling unit 204 - 2 . In this case, the second lighting unit 206 - 2 may be provided to irradiate light in a third axis direction (ie, z direction) perpendicular to the first axis direction and the second axis direction, respectively. That is, the light emitting means of the second lighting unit 206 - 2 may be provided to face the third axis direction.

Here, although the first illumination unit 206-1 and the second illumination unit 206-2 are illustrated as being integrally formed, the present invention is not limited thereto and may be formed separately from each other.

The first diffusion unit 208-1 may be slidably coupled to the first body unit 202-1 and the first body coupling unit 204-1. The first diffusion unit 208 - 1 may be provided on the light irradiation direction side of the first illumination unit 206 - 1 .

The second diffusion part 208-2 may be slide-coupled to the second body part 202-2 and the second body coupling part 204-2. The second diffusion unit 208 - 2 may be provided on the light irradiation direction side of the second illumination unit 206 - 2 .

Here, the first diffusion portion 208-1 and the second diffusion portion 208-2 are illustrated as being formed separately from each other, but the present invention is not limited thereto and may be integrally formed.

As such, in the disclosed embodiment, the body portion 202 while the configuration of the body coupling portion 204 (including the first body coupling portion 204-1 and the second body coupling portion 204-2) is the same. By changing the shape of the illuminators to cross each other or by changing the formation direction of the pair of coupling protrusions 202d provided on the body portion 202, the lighting units 206-1 and 206-2 can be cross-connected, and each lighting unit It is possible to produce various lighting effects, such as making the light irradiation directions of (206-1, 206-2) the same or different from each other.

11 is a perspective view showing a rail-type lighting device according to another embodiment of the present invention.

Referring to FIG. 11 , the rail-type lighting device 10 may include a first lighting unit 200 - 1 and a second lighting unit 200 - 2 . The first lighting unit 200 - 1 and the second lighting unit 200 - 2 may be mechanically and electrically coupled to the rail unit 100 , respectively.

The first lighting unit 200 - 1 may be formed in the same manner as the lighting unit of the embodiment shown in FIGS. 2 to 6 . That is, the first lighting unit 200 - 1 may be formed in the form of a bar (Bar) type. The first lighting unit 200 - 1 may be coupled to the rail unit 100 by being adjacent to or in contact with one end of the second lighting unit 200 - 2 .

The second lighting unit 200 - 2 may be provided to face one end of the first lighting unit 200 - 1 . The second lighting unit 200 - 2 may be formed in the same manner as the lighting unit of the embodiment shown in FIGS. 7 to 8 . That is, the second lighting unit 200 - 2 may have a shape in which two body parts intersect.

Although representative embodiments of the present invention have been described in detail above, those of ordinary skill in the art will understand that various modifications are possible without departing from the scope of the present invention with respect to the above-described embodiments. . Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims described below as well as the claims and equivalents.

Claims (19)

body part; and It includes a body coupling portion coupled to the body portion at both ends of the body portion, The body part, a body plate provided along the length direction of the body part; a pair of first body protrusions respectively protruding from both sides of the upper portion of the body plate and provided along a longitudinal direction of the body plate; and a pair of coupling protrusions provided to protrude outward from both ends of the pair of first body protrusions, The body coupling portion, a body coupling plate provided along the longitudinal direction of the body coupling part; a pair of second body protrusions respectively protruding from both upper sides of the body coupling plate and provided along the longitudinal direction of the body coupling plate; and Illumination comprising a pair of body coupling grooves provided along the longitudinal direction of the pair of second body protrusions at one end of the pair of second body protrusions, and into which the pair of coupling protrusions are inserted and coupled. unit. The method according to claim 1, The pair of coupling protrusions, an elastic coupling part provided on the upper end of the pair of coupling protrusions and having an elastic opening in which a portion of the pair of coupling protrusions is cut inwardly at a lower portion thereof; and It includes a fastening protrusion provided to protrude from the upper surface of the elastic fastening part, The pair of second body projections, A lighting unit communicating with the pair of body coupling grooves and including a fastening groove into which the fastening protrusion is inserted and caught. 3. The method according to claim 2, The pair of coupling protrusions, The lighting unit further comprising an inclined portion provided to be inclined toward the other side on the side facing each other in the pair of coupling protrusions. The method according to claim 1, The body part, a first guide portion protruding from both sides of the lower portion of the body plate and provided along a longitudinal direction of the body plate; and The lighting unit further comprising a shifting projection provided at both ends of the first guide part to protrude outward than the body plate. 5. The method according to claim 4, The body coupling portion, a second guide portion protruding from both sides of the lower portion of the body coupling plate and provided along the longitudinal direction of the body coupling plate; and The second guide portion is provided at one end facing the body portion, is provided inside the body coupling plate, and further comprising a misalignment groove formed in correspondence with the misalignment projection, the lighting unit. The method according to claim 1, The body portion further includes a first guide portion provided to protrude from both sides of the lower portion of the body plate, and provided along a longitudinal direction of the body plate, The body coupling part further includes a second guide part which is provided to protrude on both sides of the lower side of the body coupling plate, and is provided along the longitudinal direction of the body coupling plate, The lighting unit is The lighting unit further comprising a lighting unit accommodated in the space between the first guide portion and the space between the second guide portion. 7. The method of claim 6, The body portion further comprises a first guide groove provided along the longitudinal direction of the first guide portion inside the first guide portion, The body coupling part further comprises a second guide groove provided along the longitudinal direction of the second guide part inside the second guide part, The lighting unit is The lighting unit further comprising a diffusion coupled to slide along the first guide groove and the second guide groove. The method according to claim 1, The lighting unit is a magnetic body receiving groove formed in the pair of second body protrusions; and The lighting unit further comprising a magnetic material accommodated in the magnetic material receiving groove. The method according to claim 1, The lighting unit is a rail coupling part provided at the other end of the body coupling part and coupled to the rail unit; and The rail coupling part is spaced inwardly by a predetermined distance from the other end of the body coupling part, and further comprising a groove part formed between the other end of the body coupling part and the rail coupling part. The method according to claim 1, The lighting unit is a lighting unit accommodated in the body unit and the body coupling unit; and It is provided on one surface of the lighting unit, further comprising a connection part connected to a conductive line for supplying power to the rail unit, The connecting portion is made of a plurality of pairs along the longitudinal direction of the lighting unit, the lighting unit. a first body part; a second body portion having one end connected to one end of the first body portion and having a longitudinal direction different from that of the first body portion; a first body coupling part coupled to the other end of the first body part and having the same longitudinal direction as the first body part; a second body coupling part coupled to the other end of the second body part and having the same longitudinal direction as the second body part; a first lighting unit accommodated in the first body unit and the first body coupling unit; and A lighting unit comprising a second lighting part accommodated in the second body part and the second body coupling part. 12. The method of claim 11, The first body portion includes a pair of first coupling protrusions provided to protrude outward from the other end of the first body portion, The second body portion includes a pair of second coupling protrusions provided to protrude outward from the other end of the second body portion, The first body coupling part is provided along the longitudinal direction of the first body coupling part at an end opposite to the first body part, and a pair of first body coupling parts are inserted and coupled to the pair of first coupling protrusions. includes a home, The second body coupling part is provided along the longitudinal direction of the second body coupling part at an end opposite to the second body part, and a pair of second body coupling parts are inserted and coupled to the pair of second coupling protrusions. A lighting unit comprising a groove. 13. The method of claim 12, The first lighting unit and the second lighting unit are provided to have different light irradiation directions from each other, the lighting unit. 14. The method of claim 13, The first body portion is provided in a first axial direction, The second body portion is provided in a second axial direction perpendicular to the first axial direction, The pair of first coupling protrusions are disposed spaced apart from each other in a third axial direction perpendicular to the first axial direction and the second axial direction at the other end of the first body portion, The pair of second coupling protrusions, the other end of the second body portion is disposed to be spaced apart from each other in the third axis direction, the lighting unit. 13. The method of claim 12, The first lighting unit and the second lighting unit are provided to have the same light irradiation direction as each other, the lighting unit. 16. The method of claim 15, The first body portion is provided in a first axial direction, The second body portion is provided in a second axial direction perpendicular to the first axial direction, The pair of first coupling protrusions are disposed to be spaced apart from each other in the second axial direction at the other end of the first body part, The pair of second coupling protrusions, the other end of the second body portion is disposed to be spaced apart from each other in the first axial direction, the lighting unit. Rail type lighting comprising a mounting unit mounted on an installation surface, a rail unit coupled to the mounting unit and provided along a longitudinal direction of the mounting unit, and a lighting unit coupled to the rail unit and electrically connected to the rail unit As a device, The rail unit is a rail body coupled to the mounting unit inside the mounting unit; a rail protrusion formed to protrude from one surface of the rail body; and a conductive line provided along the longitudinal direction of the rail body on at least one of both sides of the rail protrusion and one surface of the rail body; The lighting unit is body part; and It includes a body coupling portion coupled to the body portion at both ends of the body portion, The body part, a body plate provided along the length direction of the body part; a pair of first body protrusions respectively protruding from both sides of the upper portion of the body plate and provided along a longitudinal direction of the body plate; and a pair of coupling protrusions provided to protrude outward from both ends of the pair of first body protrusions, The body coupling portion, a body coupling plate provided along the longitudinal direction of the body coupling part; a pair of second body protrusions respectively protruding from both upper sides of the body coupling plate and provided along the longitudinal direction of the body coupling plate; and A rail comprising a pair of body coupling grooves provided along the longitudinal direction of the pair of second body protrusions at one end of the pair of second body protrusions, and into which the pair of coupling protrusions are inserted and coupled. type lighting device. Rail type lighting comprising a mounting unit mounted on an installation surface, a rail unit coupled to the mounting unit and provided along a longitudinal direction of the mounting unit, and a lighting unit coupled to the rail unit and electrically connected to the rail unit As a device, The rail unit is a rail body coupled to the mounting unit inside the mounting unit; a rail protrusion formed to protrude from one surface of the rail body; and a conductive line provided along the longitudinal direction of the rail body on at least one of both sides of the rail protrusion and one surface of the rail body; The lighting unit is a first body part; a second body portion having one end connected to one end of the first body portion and having a longitudinal direction different from that of the first body portion; a first body coupling part coupled to the other end of the first body part and having the same longitudinal direction as the first body part; a second body coupling part coupled to the other end of the second body part and having the same longitudinal direction as the second body part; a first lighting unit accommodated in the first body unit and the first body coupling unit; and A rail-type lighting device comprising the second body part and a second lighting part accommodated in the second body coupling part. Rail type lighting comprising a mounting unit mounted on an installation surface, a rail unit coupled to the mounting unit and provided along a longitudinal direction of the mounting unit, and a lighting unit coupled to the rail unit and electrically connected to the rail unit As a device, The lighting unit is a first lighting unit provided along the longitudinal direction of the rail unit; a second lighting unit having one end provided to face the first lighting unit; The second lighting unit, a first body portion having the same length direction as the length direction of the first lighting unit; a second body portion having one end connected to one end of the first body portion and having a longitudinal direction different from that of the first body portion; a first body coupling part coupled to the other end of the first body part and having the same longitudinal direction as the first body part; a second body coupling part coupled to the other end of the second body part and having the same longitudinal direction as the second body part; a first lighting unit accommodated in the first body unit and the first body coupling unit; and A rail-type lighting device comprising a second lighting part accommodated in the second body part and the second body coupling part.

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