WO2014061832A1

WO2014061832A1 - Led lamp

Info

Publication number: WO2014061832A1
Application number: PCT/KR2012/008364
Authority: WO
Inventors: 오임환
Original assignee: Oh Ewan
Priority date: 2012-10-15
Filing date: 2012-10-15
Publication date: 2014-04-24

Abstract

The present invention relates to an LED lamp having multiple LED elements mounted therein. The LED lamp of the present invention comprises: a cylindrical central column; and multiple supports arranged in a transverse direction around the top and bottom of the circumference of said column and alternately disposed in staggered positions on two or more layers. Furthermore, the LED lamp comprises: LED fixing plates which are vertically coupled to the outer surfaces of the respective supports and which have a curvature so as to bend toward the central column; and LED elements mounted onto the respective LED fixing plates. The LED lamp is configured such that the LED elements are alternately arranged in multiple layers so as to enable the uniform distribution of light and uniform illumination over a wide area. The LED lamp enables the easy replacement and repair of LED elements by means of the configuration of the central column and attachable/detachable supports.

Description

LED lamp

The present invention relates to an LED lamp, and more particularly to an LED lamp having a plurality of LED elements.

Sodium or high pressure mercury lamps are known as lamps that require a large amount of illumination. Sodium lamps are suitable for fog and coastal areas due to their free lighting direction and high permeability, and high-pressure mercury lamps have the advantage of high luminance. However, sodium lamps may cause visual impairment and fatigue, are more expensive than mercury lamps, and have a disadvantage in reducing work efficiency. High pressure mercury lamps have the disadvantage of generating infrared rays / ultraviolet rays and containing environmentally harmful substances.

On the other hand, LED (Power LED) has a relatively semi-permanent lifespan, harmless to the environment and has the power consumption of 1/10 of the incandescent light bulb, which has the advantage of reducing the electricity bill. A lamp using such an LED element realizes a desired illuminance by mounting a plurality of LED elements to the lamp body. In order to mount such a large number of LED elements, the structure of the lamp body must be improved, and together with the heat dissipation structure, it should not affect the life. In addition, in order to uniformly illuminate a certain area such as a park, the light distribution should be constant.

An object of the present invention is to provide an LED lamp having a plurality of LED elements.

Another object of the present invention is to provide an LED lamp capable of uniformly illuminating a large area with an even distribution of light.

Another object of the present invention is to provide an LED lamp that is easy to replace and repair the LED elements.

In order to achieve these objects, the present invention provides an LED lamp having the following configuration.

LED lamp according to the present invention, the central column of the cylindrical form; A plurality of supports which are alternately arranged in two or more layers alternately arranged in a transverse direction around two or more layers around the central column; An LED fixing plate which is vertically coupled to the outside of each support and has a curvature to be bent toward the central column; And an LED element mounted on the LED fixing plate.

In the LED lamp of the present invention, the central column may be divided into two or more assembled.

In this case, the two or more divided central column may be formed at least one of the step and the screw groove at the end may be coupled through at least one of the step and the screw groove.

In addition, in the LED lamp of the present invention, the plurality of supports disposed in two or more layers may be alternately arranged when viewed from above and may have different arrangement widths when viewed from the side.

In addition, in the LED lamp of the present invention, the support on the same layer may be disposed at a position to evenly divide the circumference of the central column.

In addition, in the LED lamp of the present invention, each of the support may be capable of being coupled to and separated from the central column.

In this case, an insert is formed at the end of each support, and an insertion groove is formed at the end of the support to insert the insert into the center pillar, or a male thread is formed at the end of each support, and at the center pillar. A female thread portion corresponding to the male thread portion may be formed.

In addition, the support is a plate shape formed with a plurality of heat dissipation holes, each end is formed with an insert extending in the longitudinal direction, the central column may be formed with an insertion groove extending in the longitudinal direction so that the insert is inserted and fixed. have.

In addition, in the LED lamp of the present invention, the LED fixing plates respectively coupled to the supports disposed on different layers may have different curvatures.

In addition, in the LED lamp of the present invention, two or more LED elements may be mounted on each LED fixing plate.

In addition, the upper or lower end of the central pillar may further include a socket plug having a thread formed on the outer peripheral surface.

The LED lamp of the present invention has the following advantages.

First, multiple LED elements can be efficiently arranged.

Second, evenly distributed light distribution and uniform illumination of a large area are possible through the multi-layer arrangement and staggered arrangement of LED elements.

Third, the LED elements can be easily replaced and repaired by the detachable way of the central column and the support.

Fourth, it is possible to simply select the desired roughness by adjusting the number of the support and the number of LED elements.

Fifth, by having a socket plug on the top or bottom of the central column can be used as a bottom-up or top-down lamp.

1 is a perspective view of a power LED lamp according to an embodiment of the present invention.

2 is a cross-sectional view of a power LED lamp according to an embodiment of the present invention.

3 is a cross-sectional view showing a central pillar connection structure of a power LED lamp according to another embodiment of the present invention.

Figure 4 is a cross-sectional view showing a central pillar connection structure of a power LED lamp according to another embodiment of the present invention.

Figure 5 is a perspective view showing a coupling method between the central column and the support of the power LED lamp according to an embodiment of the present invention.

Figure 6 is a cross-sectional view showing a coupling method between the central column and the support of the power LED lamp according to another embodiment of the present invention.

7 is a cross-sectional view showing the LED fixing plate and the LED element of the power LED lamp according to another embodiment of the present invention.

8 is a cross-sectional view showing an adjustment lens of the power LED lamp according to an embodiment of the present invention.

9 and 10 are diagrams showing the use of the power LED lamp according to an embodiment of the present invention.

11 and 12 are perspective views of the LED lamp according to another embodiment of the present invention.

13 and 14 are a perspective view and a longitudinal cross-sectional view of the LED lamp according to another embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. At this time, it is noted that the same components in the accompanying drawings are represented by the same reference numerals as possible. In addition, detailed descriptions of well-known functions and configurations that may blur the gist of the present invention will be omitted. For the same reason, in the accompanying drawings, some components are exaggerated, omitted or schematically illustrated.

1 is a perspective view of an LED lamp according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the LED lamp according to an embodiment of the present invention, Figure 3 is a central column connection structure of the power LED lamp according to another embodiment of the present invention 4 is a cross-sectional view showing a central pillar connection structure of the power LED lamp according to another embodiment of the present invention, Figure 5 is a view showing a coupling method between the central column and the support of the power LED lamp according to an embodiment of the present invention 6 is a cross-sectional view illustrating a coupling method between a central column and a support of a power LED lamp according to another embodiment of the present invention, and FIG. 7 is a view showing an LED fixing plate and an LED element of a power LED lamp according to another embodiment of the present invention. 8 is a cross-sectional view showing an adjustment lens of the power LED lamp according to an embodiment of the present invention.

1 and 2, the LED lamp 100 includes a central column 110, a support 120, an LED fixing plate 130, and an LED element 140.

The central column 110 is a hollow cylindrical shape. The central column 110 of the present embodiment, but the whole form is made integrally, in another embodiment may be assembled after being divided into two or more. For example, FIG. 3 and FIG. 4 show a form in which two central pillars 110-1 and 110-2 are assembled. In this case, the connection structure of the upper and lower center pillars (110-1, 110-2) can be implemented in various ways, for example, as shown in Figure 3 stepped at the end of the center pillar (110-1, 110-2) It may be a structure to form and fit the 112, or as shown in Figure 4 may be a structure for coupling by forming a screw groove 114 at the ends of the central pillar (110-1, 110-2). In addition, although not shown, it is also possible to combine the tapered end portion of the central pillar (taper).

Referring back to Figures 1 and 2, a plurality of supporters 120 are installed in the transverse direction around the central column (110). At this time, the support 120 may be disposed around the central column 110 to form a plurality of layers (two layers in the drawing example) up and down. In particular, the support 120 of the up and down layer may be arranged in a staggered position, as shown in Figure 1, as seen from above, the support 120 of the up and down layer is alternately arranged, as shown in Figure 2 When viewed from the upper and lower layers of the support 120 between the placement width is different. As such, the LED lamp 100 of the present invention can uniformly illuminate a large area due to the stacked structure and the staggered arrangement of the upper and lower layers. This will be described later.

In the present embodiment, the support 120 is disposed six at the top, six at the bottom of the central column 110, but this is for illustrative purposes, the present invention is not limited thereto. In another embodiment, the supporters 120 may be arranged in three or more layers, and the number of supports of each layer may be variously implemented as 4, 5, 8, and the like. However, the supporters 120 on the same floor are preferably disposed at a position that evenly divides the circumference of the central column 110 for uniform illumination. As described above, the supporters 120 of the upper and lower layers are staggered from each other. It is preferably arranged in. As illustrated, when twelve supports 120 are arranged in two layers of six, the supports 120 of one layer are positioned at 0, 60, 120, 180, 240, and 300 degrees. And the supports 120 of the other layers are disposed at positions corresponding to 30 degrees, 90 degrees, 150 degrees, 210 degrees, 270 degrees, and 330 degrees.

The support 120 may be fastened by welding or bolting to the surface of the central column 110, but in the present invention, it is preferable to be detachable. That is, each support 120 can be easily coupled to and separated from the central column 110 individually. Examples of the coupling scheme between the central column 110 and the support 120 are shown in FIGS. 5 and 6.

First, referring to the embodiment illustrated in FIG. 5, the support insert insertion groove 116 is formed in the longitudinal direction on the outer surface of the central column 110. And at the end of the support 120 is a projection-shaped insert 122 is formed. The width of the insert 122 is greater than the width of the support 120.

The support insertion groove 116 is composed of a support insertion unit 116a and a support moving unit 116b. The support insert 116a is formed inward from the outer surface of the central column 110 to have a size enough to insert the insert 122. Thus, the insert 122 can be inserted into the support insert 116a. The support moving part 116b is a passage through which the insert 122 inserted into the support inserting part 116a moves. The inner side of the support moving part 116b is large enough to allow the insert 122 to pass therethrough, but the width of the outer surface of the central column 110 is narrower, so that it is slightly larger than the diameter of the support 120. to be. Thus, the insert 122 does not fall out while passing through the support moving part 116b. Therefore, the insert 122 moved through the support moving part 116b is fixed in position below the support moving part 11b.

When the support insertion groove 116 is formed at each position where the support 120 is to be coupled along the circumference of the center pillar 110, each support 120 can be easily coupled to and separated from the center pillar 110. Can be. That is, the support 120 may be coupled to the central column 110 by inserting the support 120 into the support insertion unit 116a and then moving to the support seating unit 116c through the support moving unit 116b. Through the reverse process, the support 120 may be separated from the central column 110.

Subsequently, referring to another embodiment illustrated in FIG. 6, the female threaded portion 118 is formed at each position of the support 120 to be coupled to the outer surface of the central pillar 110. And the male screw portion 124 corresponding to the female screw portion 118 is formed at the end of the support (120). Therefore, each support 120 can be easily coupled and separated from the central column 110 easily.

Coupling method between the central column 110 and the support 120 described above is for illustration only, and the present invention is not limited thereto. In addition to the coupling scheme illustrated in FIGS. 5 and 6, various modifications may be possible.

Referring back to FIGS. 1 and 2, the LED fixing plate 130 is vertically coupled to the outside of each support 120. The LED fixing plate 130 may be divided into two parts as shown in FIG. 2. That is, the upper end of the LED fixing plate 130 is a support portion 132 as a portion fixed to the support 120, the lower end is the LED mounting portion 134 as a portion on which the LED element 140 is mounted. However, this distinction is for convenience only and is not absolute. In some cases, the LED element 140 may also be mounted on the support coupling portion 132.

Among the LED fixing plate 130, in particular, the LED mounting portion 134 is formed to have a predetermined curvature. That is, the LED mounting portion 134 is formed to be bent toward the central column 110 from the support coupling portion 132. Therefore, the LED element 140 mounted on the LED mounting unit 134 can be illuminated toward the ground. In particular, the LED fixing plates 130 respectively coupled to the support 120 of the upper and lower layers may have different curvatures. Therefore, the LED elements 140 mounted on the upper and lower LED fixing plates 130 are illuminated at different angles.

7 shows the LED fixing plate 130 and the LED element 140 according to another embodiment of the present invention. As illustrated in FIG. 7, two or more LED elements 140 may be mounted on each LED fixing plate 130. In this case, since the LED mounting part 134 has a predetermined curvature, the LED elements 140 are illuminated at different angles even though the LED elements 140 are mounted on the same LED fixing plate 130. Meanwhile, reference numeral 131 in FIG. 7 denotes an LED circuit board electrically connecting the LED element 140, and illustration is omitted in FIGS. 1 and 2.

The LED device 140 may be manufactured in its own waterproof type through a silicon finish, or may be manufactured in a non-waterproof form. When the LED element 140 is not waterproof, the transparent casing may be mounted on the outside of the LED lamp 100 to be waterproof. When the LED element 140 is self-waterproof, the LED lamp 100 may be There is no need for a separate casing on the outside. Of course, when the LED element 140 is a self-water-proof type, it is necessary to watertight the entire LED lamp 100.

As shown in FIG. 1, FIG. 2, and FIG. 7, the individual LED elements 140 are mounted on the LED fixing plate 130. In this case, the adjustment lens 142 illustrated in FIG. 8 may be attached to each LED element 140. As shown in FIG. 8, the adjustment lens 142 adjusts the angle of the light emitted from the LED element 140. A diffusion groove 142a having a curvature radius R2 different from the outer curvature radius R1 of the adjustment lens 142 may be further formed inside the adjustment lens 142. The diffusion groove 142a may variously adjust the irradiation angle of the LED light. In addition, the adjustment lens 142 is provided with a fixing protrusion 142b on the lower side for easy assembly with the LED element 140, the lower surface of the adjustment lens 142 has a reflective surface 142c to prevent unnecessary waste of light. It may be provided.

The use state of the LED lamp described above is illustrated in FIGS. 9 and 10. First, referring to FIG. 9, a plurality of LED elements mounted on the LED lamp 100 of the present invention may emit light at different angles when viewed from the side. That is, since the LED elements 140 are mounted on the LED fixing plate 130 coupled to the fixing base 120 of different layers, the LED elements 140 may have different irradiation angles. In addition, since one LED fixing plate 130 is made of a curved surface, the LED elements 140 mounted on the same LED fixing plate 130 may also have different irradiation angles. For example, assuming that all four LED elements are arranged on each of the upper and lower LED fixing plates, the irradiation area by the LED elements may be distributed as A1 to A4. Therefore, the LED lamp 100 of the present invention can uniformly illuminate a large area.

Meanwhile, as described above, since the upper and lower LED elements have a staggered arrangement form, as shown in FIG. 10, a plurality of LED elements mounted on the LED lamp 100 according to the present invention may emit light at different angles when viewed from above. Can be investigated. For example, assuming that all 12 LED elements are arranged alternately in the top and bottom layers, the irradiation area (X) of the LED elements of one layer and the irradiation area (Y) of the other layer LED elements are alternately distributed and complement each other. You are in a relationship. Therefore, the LED lamp 100 of the present invention can uniformly illuminate a large area.

11 and 12 are perspective views of the LED lamp according to another embodiment of the present invention. First, as shown in Figure 11, the LED lamp 100 is provided with a socket plug 150 on the top of the central column 110 can be used as a top-down lamp when coupled to the socket, such as park lamps. On the contrary, as shown in FIG. 12, the LED lamp 100 may be used as a bottom-up lamp when the LED lamp 100 is provided with a socket plug 150 at the bottom of the central pillar 110 and coupled to a socket such as a park lamp. Of course, although not shown, in order to supply power to the above-described LED element 140, the electric wire is in electrical communication with the socket plug 150 through the inside of the central column 110, the support 120 through the LED element ( 140).

13 and 14 are a perspective view and a longitudinal cross-sectional view of the LED lamp according to another embodiment of the present invention. 13 and 14, the LED lamp 200 includes a central column 210, a support 220, an LED fixing plate 230, and an LED element 240.

The plurality of supports 220 are alternately arranged in two or more layers alternately positioned at the periphery of the central pillar 210 in a transverse direction. More specifically, the support 220 has a plate shape in which a plurality of heat dissipation holes 221 are formed, respectively, and an insert 222 extending in the longitudinal direction is formed at an end portion thereof. 13 and 14, since the plurality of heat dissipation holes 221 are formed in the support 220, the heat generation problem of the LED element 240 may be solved.

The central column 210 has a cylindrical shape and is formed with an insertion groove 210a extending in the longitudinal direction to insert and fix the insert 222. That is, each support 220 is easily fixed by sliding through the insert 222 and the insertion groove (210a) to the central column (210). The insert 222 has a shape in which the protruding insert 122 of FIG. 5 described above extends in the vertical direction.

The LED fixing plate 230 is vertically coupled to the outside of each support 220 and has a curvature to be bent toward the central pillar 210, the LED element 240 is mounted on the LED fixing plate 230.

In addition, as described above, the upper and lower portions of the central column may have a structure that is coupled by the screw groove 214. In addition, the components described above may also be combined in the embodiment illustrated in FIGS. 13 and 14.

On the other hand, the embodiments of the present invention disclosed in the specification and drawings are merely presented specific examples to easily explain the technical contents of the present invention and help the understanding of the present invention, and are not intended to limit the scope of the present invention. It will be apparent to those skilled in the art that other modifications based on the technical idea of the present invention can be carried out in addition to the embodiments disclosed herein.

Claims

Cylindrical central column;

A plurality of supports which are alternately arranged in two or more layers alternately arranged in a transverse direction around two or more layers around the central column;

An LED fixing plate which is vertically coupled to the outside of each support and has a curvature to be bent toward the central column; And

LED lamp comprising an LED element mounted to the LED fixing plate.
The method according to claim 1,

The central pillar is divided into two or more LED lamps, characterized in that assembled.
The method according to claim 2,

LED lamps characterized in that at least one of the stepped and the screw groove is formed at the end and the central column divided into two or more are coupled through at least one of the step and the screw groove.
The method according to claim 1,

LED lamps, characterized in that the plurality of supports arranged on two or more layers are alternately arranged when viewed from above and the arrangement width is different when viewed from the side.
The method according to claim 1,

The support lamp on the same floor is disposed in the position to evenly divide the circumference of the central pillar.
The method according to claim 1,

LED lamps, characterized in that each support is coupled to and separated from the central column.
The method according to claim 6,

At the end of each said support is formed an insert,

LED lamp, characterized in that the central pillar is formed with an insertion groove is inserted into the insert is fixed.
The method according to claim 7,

The support is formed with a plate extending in the longitudinal direction at the end as a plate shape each formed with a plurality of heat radiation holes,

LED lamp, characterized in that the central pillar is formed with an insertion groove extending in the longitudinal direction so that the insert is inserted and fixed.
The method according to claim 6,

At each end of the support is formed a male thread,

LED lamp, characterized in that the central column is formed with a female screw portion corresponding to the male screw portion.
The method according to claim 1,

The LED fixing plate is coupled to each of the LED support plates arranged on different layers, the LED lamp, characterized in that the curvature is different from each other.
The method according to claim 1,

LED lamps, characterized in that at least two LED elements are mounted on each of the LED fixing plate.
The method according to claim 1,

LED lamps, characterized in that the top or bottom of the central column further comprises a socket plug with a thread formed on the outer peripheral surface.