KR101369722B1 - Lighting device - Google Patents

Abstract

The lamp according to the present invention includes a housing including an electric circuit; A light source unit mounted in the housing and generating light by application of an external power source; A first reflection shade connected to the housing and reflecting light generated by the light source; And a second reflector detachably connected to the housing and disposed inside the first reflector, wherein the second reflector is adjustable in size to adjust a light distribution area of light generated by the light source unit. It is done.

Description

Lighting device

The present invention relates to a lighting lamp, and more particularly, having a reflector having a dual structure consisting of an inner and an outer reflector, and the inner reflector disposed adjacent to the light source unit among the reflector is configured to have a variable degree of swing so as to adjust a reflection angle. In accordance with the present invention relates to a lamp that can adjust the light distribution area.

Lighting devices are widely used in everyday life, whether indoors, outdoors, day or night. In particular, the lighting that illuminates the dark place to maintain daily life is an essential device for maintaining the life of modern people.

As a light source of such a lamp, a cold cathode fluorescent lamp called a "fluorescent lamp" has been widely used for a long time. Recently, light emitting diodes called LEDs have been developed, which have various advantages such as excellent responsiveness, high energy efficiency, and long life, and are attracting attention as new lighting sources. The LED lighting device is attracting much attention as a light source for outdoor lighting, such as outdoor street lighting as well as indoor lighting.

However, in spite of the development of such a light source unit, the conventional lighting lamp has a disadvantage in that it is difficult to achieve proper lighting according to the purpose because the reflector which adjusts the lighting direction and the light distribution area is difficult to achieve, and the centralized lighting is difficult to reduce the luminous efficiency and energy efficiency. have.

Republic of Korea Patent Publication 10-2011-0039644

The present invention has been made to solve the above-mentioned problems, and as the second reflector configured to adjust the degree of opening is bent, it is possible to adjust the light distribution area, the concentration of light distribution and appropriate lighting according to the purpose, thereby improving the energy efficiency and the user. An object of the present invention is to provide an improved lighting.

In order to achieve the above object, the lamp according to the present invention, the housing including the electrical circuit; A light source unit mounted in the housing and generating light by application of an external power source; A first reflection shade connected to the housing and reflecting light generated by the light source; And a second reflector detachably connected to the housing and disposed inside the first reflector, wherein the second reflector is adjustable in size to adjust a light distribution area of light generated by the light source unit. It is done.

Preferably, according to one embodiment of the invention, the second reflector comprises a support member and a reflective member connected to the support member, the support member is detachably connected to the housing, the reflective member Includes a plurality of reflecting plates, and the reflecting plates are variably connected to the support member to form an angle.

Preferably, according to one embodiment of the invention, the support member has an annular shape, the plurality of reflecting plates are connected radially across the outer periphery of the support member, each reflecting plate is a plate with a part overlapping each other It is arranged in the form.

Preferably, according to one embodiment of the present invention, the support member may be displaced in a direction inserted into the inside of the housing or in a direction taken out of the housing.

Preferably, according to an embodiment of the present invention, the housing is formed in a cylindrical shape with a threaded portion on the inner circumferential surface, the support member is configured in an annular shape that can be fastened to the threaded portion around the side, the support member is the housing As it rotates with respect to, it may be inserted in the housing inward direction or taken out in the outward direction of the housing.

The lighting lamp according to the present invention may adjust the light distribution area of the light generated by the light source unit as the second reflector may be adjusted in the degree of opening. Therefore, since the light distribution area of the lamp can be adjusted, a wide range of light distribution or intensive light distribution can be selectively implemented according to the use environment or the purpose of use, and thus the user's ease of use can be increased and the general purpose of the light can be improved. .

In addition, the second reflector is composed of a plurality of reflecting plate, the angle can be adjusted by simply inserting the support member into the housing or withdrawn from the housing, the adjustment of the light distribution area is easy and the user's ease of use This can be improved.

In addition, since the second reflector is detachably provided, it is possible to maximize the light distribution area by removing the second reflector if it is not necessary, and the second reflector can be selectively mounted as needed, thereby improving user convenience. have.

1 is a view showing a lamp according to an embodiment of the present invention.
2 is a view showing a second reflector of a lamp according to an embodiment of the present invention.
3 is a view showing a lamp according to an embodiment of the present invention.
4 is a view showing a lamp according to an embodiment of the present invention.
5 is a view showing a lamp according to an embodiment of the present invention.
6 is a view showing a lamp according to an embodiment of the present invention.
7 is a view showing a lamp according to an embodiment of the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

Spatially relative terms such as " lower ", "upper ", " side ", and the like are used to easily describe one member or components and other members or components Spatially relative terms should be understood to include, in addition to the directions shown in the drawings, terms that include different orientations of members during use or operation. For example, when reversing a member shown in the figure, Quot; upper "of the other member may be placed" lower " of the other member. Thus, by way of example, the term "upper" may include both downward and upward directions. , So that spatially relative terms can be interpreted according to orientation.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. As used in the specification, "comprises" and / or "comprising " do not exclude the presence or addition of one or more other members other than the recited member.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

In the drawings, the thickness and size of each part are exaggerated, omitted, or schematically shown for convenience and clarity of explanation. Also, the size and area of each component do not entirely reflect actual size or area.

Further, in the embodiment, the directions mentioned in the process of describing the structure of the present invention are based on those described in the drawings. In the description of the structure constituting the present invention in the specification, reference points and positional relations with respect to directions are not explicitly referred to, reference is made to the related drawings.

1 is a view showing a lamp 1 according to an embodiment of the present invention, Figure 2 is a view showing a second reflector 100 of the lamp 1 according to an embodiment of the present invention, Figures 3 to 7 is a view showing a lamp according to an embodiment of the present invention.

1 to 7, the lamp 1 according to the present invention may include a housing 10, a light source unit 20, a first reflector 30, and a second reflector 100.

The housing 10 constitutes a main body of the lamp 1, and may include an electric circuit (not shown) that may be connected to an external power source.

For example, a predetermined circuit board (PCB) 11 for mounting a light source unit 20 to be described later to be connected to an external power source and a heat dissipation unit (not shown) capable of dissipating heat generated from the light source unit 20 may be provided. Can be. In addition, a predetermined electric terminal (not shown) connected to an external power source for supplying power to the light source unit 20 may be provided at one side.

The housing 10 may have a cylindrical shape with a space provided therein. On the other hand, preferably, a screw groove is formed on the inner circumferential surface of the cylindrical housing 10 to fix the lamp 1 according to the present invention to an external electric device or a power supply device, but is not limited thereto.

The light source unit 20 may generate light by applying power. In this case, the light source unit 20 may be a predetermined light emitting device such as a light emitting diode (LED), but is not limited thereto. Meanwhile, as described above, a predetermined circuit board may be provided in the housing 10 and a light emitting diode may be mounted on the circuit board, but is not limited thereto.

The first reflector 30 is fixed to one end of the housing 10 and is configured to extend from the housing 10. For example, the first reflector 30 has a shape such as a part of a sphere or a part of a funnel, the cross section being extended as it is spaced apart from the light source 20. It can be configured to have.

A reflection surface (not shown) may be formed inside the first reflection shade 30 to effectively reflect the light generated by the light source 20 to improve the lighting efficiency. The reflecting surface (not shown) may be composed of, for example, a metal layer having a high reflectance or a layer coated with a predetermined paint, but is not limited thereto.

The second reflector 100 is provided inside the first reflector 30. That is, the second reflector 100 is disposed between the first reflector 30 and the light source unit 20.

The second reflector 100 includes a support member 40 and several reflection members 50 connected to the support member 40.

The support member 40 is detachably fixed to the housing 10. For example, as shown in FIG. 1, as the predetermined hole 42 is formed in the supporting member 40 and the screw 44 penetrating the hole 42 is coupled, the supporting member 40 is connected to the housing 10. It may be detachably fixed to, but is not limited thereto.

The reflecting member 50 is composed of several reflecting plates 52. The reflecting plate 52 may be formed of a member capable of reflecting light generated by the light source unit 20, or may be configured such that a reflective surface having a high light reflectance is formed inside.

The reflecting plate 52 is radially connected to the outside of the support member 40. That is, the reflecting plates 52 are connected so as to face in the radial direction, respectively, around the circumference of the support member 40 to have a radial structure. In this case, the angle θ formed by the reflector 52 and the support member 40 may be configured to vary. For example, the connection between the reflecting plate 52 and the support member 40 is, for example, the reflecting plate 52 and the support member 40 are hinged through the hinge portion 46 so as to tilt the reflecting plate 52. 52) and the angle θ between the support member 40 may be configured to be adjusted, but is not limited thereto. As the angle θ between the reflector plate 52 and the support member 40 is configured to be adjustable, the degree of opening of the second reflector 100 may vary.

Preferably, each reflecting plate 52 is configured to have a trapezoid having a curvature, and a short side portion of the parallel sides of the trapezoid may be configured to be connected over the circumference of the support member 40. In addition, the reflecting plate 52 may be configured to have a curvature and to be stacked in the center direction of the curvature or to be unfolded in the opposite direction.

On the other hand, for example, a total of n reflecting plates 52 are provided from 1 to nth times, a part of the first reflecting plate 52 is placed under the second reflecting plate 52, and a part of the second reflecting plate 52 is overlapped. The third reflector 52 may be disposed below and overlapped, and a portion of the nth reflector 52 may be disposed below the first reflector 52. Accordingly, the reflecting plate 52 is configured to overlap a part of each other, so that the reflecting member 50 may have a form such as a sliding plate of the steamer.

That is, the reflecting member 50 has the same configuration as the steaming plate of the steamer so that a part of the reflecting member 50 is overlapped with each other so that only one reflecting plate 52 may be applied inward or outward in all directions. The reflecting plate 52 may be configured to apply a force to each other so that the reflecting member 50 may be retracted inward or unfolded outward. Accordingly, since the opening degree of the second reflector 100 can be adjusted, the light distribution area of the light generated by the light source unit 20 can be adjusted.

Preferably, as shown in FIGS. 5 and 6, the support member 40 can be displaced within the housing 10. That is, the support member 40 may be inserted in the inward direction M of the housing 10 or may be taken out in the outward direction N of the housing 10.

Meanwhile, as shown in FIG. 7, the housing 10 has a cylindrical shape in which a first screw groove 12 is formed on an inner circumferential surface thereof, and a circumference of the outer circumferential surface of the support member 40 is formed with the first screw groove 12. The support member 40 is inserted in the inward direction M of the housing 10 or the housing 10 as the support member 40 is rotated relative to the housing 10. Can be taken out in the outward direction (N). At this time, the support member 40 and the second reflector 100 may be separated from the housing 10 as the support member 40 is further rotated in the direction taken out in the outer direction N of the housing 10. Therefore, the second reflector 100 may be detachably coupled to the housing 10. On the other hand, preferably, a second screw groove 48 that can be engaged with the first screw groove 12 may be formed around the outer circumferential surface of the support member 40.

5 and 7, as the support member 40 is inserted in the inner direction M of the housing 10, the reflecting plate 52 is pushed to the side of the housing 10 so that the light source 20 is moved. The angle θ formed by the support member 40 and the reflecting plate 52 is inclined in the inward direction P disposed, and the projected area of the reflecting member 50 is reduced. That is, the degree of opening of the second reflector 100 may be reduced, and thus the light distribution area of the light generated by the light source unit 20 may also be reduced.

In contrast, as shown in FIGS. 6 and 7, the reflecting plate 52 is also taken out of the housing 10 as the supporting member 40 is taken out from the inside of the housing 10 in the outward direction N. FIG. At this time, the angle θ formed by the support member 40 and the reflecting plate 52 may increase as the reflecting plate 52 is tilted, and the projected area of the reflecting member 50 may increase. That is, the degree of opening of the second reflector 100 is increased and thus the light distribution area of the light generated by the light source unit 20 may also be increased.

As the lamp 1 according to the present invention is provided with a second reflector 100 whose opening degree can be adjusted, the light distribution area of the light generated by the light source unit 20 can be adjusted. Therefore, since the light distribution area of the lamp 1 can be adjusted, a wide range of light distribution or intensive light distribution can be selectively implemented according to the use environment or the purpose of use, thereby increasing the user's ease of use and Versatility can be improved.

In addition, the second reflector 100 is composed of several reflecting plates 52, the reflecting plate 52 is simply inserted into the housing 10 or withdrawal from the housing 10 as Since the angle can be adjusted, adjustment of the light distribution area can be simplified and user convenience can be improved.

In addition, since the second reflector 100 is detachably provided, the second reflector 100 may be removed if not necessary to maximize the light distribution area, and if necessary, the second reflector 100 may be selectively mounted. Therefore, the user's convenience may be further improved.

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

1: lighting
10: Housing
11: circuit board
12: first screw groove
20: light source
30: first reflector
40: Support member
42: screw hole
44: screw
46: second screw groove
50: reflective member
52: reflector
100: second reflector

Claims (5)

A housing (10);
A light source unit 20 mounted on the housing 10 to generate light by applying power;
A first reflector 30 connected to the housing 10 and reflecting light generated by the light source unit 20;
And a second reflector 100 detachably connected to the housing 10 and disposed inside the first reflector 30.
The second reflector 100 is adjustable in the degree of opening to adjust the light distribution area of the light generated by the light source unit 20,
The second reflector 100 includes a support member 40 and a reflection member 50 connected to the support member 40.
The support member 40 is detachably connected to the housing 10,
The reflective member 50 includes a plurality of reflecting plates 52,
The reflecting plate 52 is connected to the support member 40 to form an variable angle,
The support member (40) is characterized in that the displacement in the direction to be inserted into the housing (10), or the direction taken out of the housing (10). delete The method according to claim 1,
The support member 40 has an annular shape,
The plurality of reflecting plates (52) are connected radially across the outer periphery of the support member (40), each reflecting plate (52) characterized in that arranged in the form of a sliding plate overlapping a part of each other. delete The method according to claim 1,
The housing 10 has a cylindrical shape with a screw groove 12 formed on an inner circumferential surface thereof.
The support member 40 is configured in a toroidal shape that can be fastened to the side of the screw groove 12,
The support member (40) is characterized in that it can be inserted into the housing (10) inward direction or withdrawal of the housing (10) as it rotates relative to the housing (10).

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