KR101309237B1 - Tube type led lamp with expandable connecting - Google Patents

Abstract

The present invention is configured to enable sliding coupling in the vertical direction against each other between the adjacent tube-shaped LED lamps, the plurality of tubular LEDs as the connection terminals facing each other of the adjacent tube-shaped LED lamps are configured to be elastically contacted and electrically connected to each other. The present invention relates to a tube-type LED lamp for expansion connection that can be replaced by replacing only the tube-shaped LED lamp that needs to be replaced even in a state where the lamp is connected in the longitudinal direction.
Tube-shaped LED lamp for expansion connection of the present invention for this purpose, the tubular LED lamp is configured to enable the electrical connection terminal is provided on both sides of the cross-section and extend the plurality of lamps in the longitudinal direction, the first provided on the first cross-section Connection terminal; And a second connection terminal provided at a second end surface opposite to the first end surface and provided to allow pressure contact with the first connection terminal of another neighboring tubular LED lamp. In order to enable the sliding detachable coupling in the direction, the first or second end surface is provided with a sliding coupling insertion groove extending in the vertical direction, the opposite side end is provided with a sliding coupling protrusion extending in the vertical direction, respectively.

Description

Tube type LED lamp for expandable connection {Tube type LED lamp with expandable connecting}

The present invention relates to a tubular LED lamp for expansion connection, and more particularly, it is configured to enable sliding coupling in the vertical direction to face each other between the neighboring tube-shaped LED lamps, facing the connecting terminals of the neighboring tube-shaped LED lamps Extended connection is configured to separate and replace only the tube-shaped LED lamps that need to be replaced individually even in a state in which a plurality of tube-shaped LED lamps are installed connected long in the longitudinal direction as the elastic pressure contact is electrically connected It relates to a tube-shaped LED lamp for.

In general, LEDs (Light Emitting Diodes), which are light emitting diodes, are smaller than conventional lighting sources such as fluorescent and incandescent lamps, have a long lifespan and low power consumption, and thus have high energy efficiency, high brightness, and fast response characteristics. Therefore, lighting apparatuses using such LEDs as light sources have been developed in various forms.

On the other hand, luminaires using the above-described LED as a lighting source are safe from the use of filaments and mercury, unlike incandescent and fluorescent lamps in the future in terms of environmental protection in accordance with various environmental regulations and climate change conventions, and they limit the use of hazardous substances. As there is no carbon dioxide emission restriction, the importance in the lighting industry is increasing as an environmentally friendly future industry.

Figure 1a is a perspective view showing an extended connection state of a conventional tubular LED lamp, the tubular LED lamp is formed to a predetermined length is installed to be connected in series with each other.

Specifically, a pair of electrode holes T are formed at both ends of one tube type LED lamp 1A and both ends of the other tube type LED lamp 1B, respectively, and one tube type LED lamp 1A and the other tube type LED lamp ( On the opposite side of 1B), a connecting terminal 2 is interposed.

One side of the connection terminal 2 is provided with an electrode pin 2a inserted into an electrode hole T of the one tube type LED lamp 1A, and the other side of the connection terminal 2 is provided with the other tube type LED. An electrode pin 2b inserted into the electrode hole T of the lamp 1B is provided, and one electrode pin 2a is configured to be electrically connected to the other electrode pin 2b.

Accordingly, the electrode pin 2a is inserted into the electrode hole T of the one tube type LED lamp 1A and electrically connected thereto, and the electrode pin 2b is formed in the electrode hole of the other tube type LED lamp 1B. As inserted into and electrically connected to T), the tubular LED lamps 1A and 1B on both sides are electrically connected to each other, and thus can be expanded in series.

However, in the extension structure of the conventional tubular LED lamp as described above, the electrode pins 2a and 2b of the connection terminal 2 extend in the longitudinal direction of the tubular LED lamps 1A and 1B on both sides, and each electrode is formed. Since the pins 2a and 2b are inserted in a direction in which the tubular LED lamps 1A and 1B are extended in both directions, only one of the middle tubular LED lamps is separated while the plurality of tubular LED lamps are extended to each other. There was a problem that was difficult to do.

That is, as shown in (a) of FIG. 1B, when a plurality of tubular LED lamps 1A, 1B, 1C are connected in series with each other, the tube-shaped LED lamp 1B located at the center is replaced due to a failure. If required, the tubular LED lamps 1A, 1C on both sides of the plurality of tube-shaped LED lamps (1A, 1B, 1C) were removed from the bracket ('B' in FIG. After the separation in the direction of the new tube-type LED lamp to recombine the bracket (B) had to be put again.

Republic of Korea Registered Patent No. 1048753 (Registered July 6, 2011) Republic of Korea Patent No. 1037972 (Registered May 24, 2011) Republic of Korea Patent No. 1233657 (registered Feb. 8, 2013) Republic of Korea Utility Model Registration No. 0461851 (registered on Aug. 03, 2012)

An object of the present invention for solving the problems according to the prior art is configured to enable the sliding coupling in the vertical direction to face each other between the neighboring tube-shaped LED lamps, the contact terminals facing each other of the adjacent tube-shaped LED lamps elastically contact each other And configured to be electrically connected, the tube type for expansion connection configured to replace only the tube type LED lamp that needs to be replaced individually in the vertical direction even though a plurality of tube type LED lamps are installed connected in the longitudinal direction long In providing an LED lamp.

Tube-shaped LED lamp for expansion connection of the present invention for solving the above technical problem, the tubular LED lamp is configured to enable the electrical connection terminal is provided on both sides of the cross-sectional expansion of the plurality of lamps in the longitudinal direction, the first cross section A first connection terminal provided at the; And a second connection terminal provided at a second end surface opposite to the first end surface and provided to allow pressure contact with the first connection terminal of another neighboring tubular LED lamp. In order to enable the sliding detachable coupling in the direction, the first or second end surface is provided with a sliding coupling insertion groove extending in the vertical direction, the opposite side end is provided with a sliding coupling protrusion extending in the vertical direction, respectively.

Preferably, the first connecting terminal is formed of a planar connecting terminal, the second connecting terminal is formed of a protruding connecting terminal, and the second connecting terminal is configured to enable elastic pressure contact with the first connecting terminal. Can be.

Preferably, both ends of the tubular LED lamp is provided with a base cap for finishing, respectively, the base cap cross section of any one of the base cap of the both ends is provided with the first connecting terminal, the other end of the base cap The second connection terminal may be provided.

Preferably, a through hole for protruding at least a portion of the second connection terminal is formed in a cross section of the base cap provided with the second connection terminal, and one end of the second connection terminal is located at a predetermined position inside the base cap. And a center portion of the second connection terminal extending from the one end portion is bent to protrude out of the base cap through the through hole, and another end portion of the second connection terminal extending from the center portion passes through the through hole. It may be bent into the base cap through the hole.

Preferably, the base cap is made of a material such that in a state in which the plurality of tubular LED lamps are extended in the longitudinal direction, the color and brightness of light emitted to the outside of the tubular LED lamps are uniformly distributed over the entire length of the extended connection. Can be.

As described above, the present invention is configured to allow sliding coupling in a vertical direction to face each other between adjacent tube-shaped LED lamps, so that the connecting terminals facing each other of the adjacent tube-shaped LED lamps are elastically contacted and electrically connected to each other. In addition, even when a plurality of tubular LED lamps are installed connected in the longitudinal direction, there is an advantage that only the corresponding tubular LED lamps, which are required to be replaced, can be separated and replaced individually in the vertical direction.

In addition, there is an advantage that the electrical contact of both connection terminals can be made smoothly as the opposite connection terminals of the adjacent tube-shaped LED lamp is configured to be elastically pressure-contacted with each other.

In addition, there is an advantage that the adjacent tube-shaped LED lamp can be electrically connected to each other without a separate connection terminal.

In addition, since the base cap is made of a material having the same or similar transmittance as that of the diffusion cover, the light of the LED chip is also emitted from the connection portion of the neighboring tube-shaped LED lamp, so that the adjacent tube-shaped LED lamp is composed of one lamp. It has the advantage of feeling unity.

Figure 1a is a perspective view showing an extended connection state of a conventional tubular LED lamp.
Figure 1b is a schematic diagram showing an extended connection state and a disconnected state of a conventional tubular LED lamp.
2 is a perspective view of a tube-shaped LED lamp according to an embodiment of the present invention.
3 is an enlarged view of a portion 'A' of FIG. 2;
4 is an enlarged view of a portion 'B' of FIG. 2;
5 is an exploded perspective view of a tubular LED lamp according to an embodiment of the present invention.
Figure 6 is a side cross-sectional view of a tubular LED lamp according to an embodiment of the present invention.
Figure 7 is a perspective view showing a state before the tubular LED lamps are connected in series with each other according to an embodiment of the present invention.
Figure 8 is a side cross-sectional view showing a state before the tubular LED lamp is connected in series with each other according to an embodiment of the present invention.
Figure 9 is a perspective view showing a state in which the tubular LED lamps are connected in series with each other according to an embodiment of the present invention.
10 is a side cross-sectional view showing a state in which the tubular LED lamps are connected in series with each other according to an embodiment of the present invention.
11 is a block diagram showing the electrical connection between the components constituting the tube-shaped LED lamp according to an embodiment of the present invention.

The present invention can be embodied in many other forms without departing from the spirit or main features thereof. Accordingly, the embodiments of the present invention are to be considered in all respects as merely illustrative and not restrictive.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. And / or < / RTI > includes any combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being "connected" or "connected" to another component, it may be directly connected to or connected to that other component, but it may be understood that other components may be present in between. Should be. On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, the terms "comprises", "having", "having", and the like are intended to specify the presence of stated features, integers, steps, operations, components, Steps, operations, elements, components, or combinations of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and a duplicate description thereof will be omitted. In the following description of the present invention, if it is determined that the detailed description of the related known technology may obscure the gist of the present invention, the detailed description thereof will be omitted.

Tube-shaped LED lamp according to an embodiment of the present invention, the tubular LED lamp is configured to be connected to the electrical connection terminal on both sides of the cross-section to extend the plurality of lamps in the longitudinal direction, as shown in Figure 5, PCB The substrate 10 includes a heat sink 20, a diffusion cover 30, and base caps 42 and 44.

The PCB board 10 is a board having a plurality of LED chips L mounted on one side thereof, and configured to be electrically connected to connection terminals T1 and T2 provided at both end surfaces of the tubular LED lamp 100, respectively. do.

For example, as shown in FIG. 11, the connection terminal T1 is connected to the ballast 50 through a cable 51, and the connection terminal T2 is connected to the ballast 50 through a cable 53. It is connected to, the power may be supplied to the LED chip (L) of the PCB substrate 10 through a cable 55 connected to the ballast (50).

The arrangement of the cables 51, 53, and 55 is omitted in the drawings other than FIG. 11.

The PCB substrate 10 is mounted on an upper surface of the heat sink 20, and a mounting groove is formed on the upper surface of the heat sink 20 in a longitudinal direction for mounting the PCB substrate 10.

The heat sink 20 serves to dissipate and dissipate heat generated from the LED chip L as a matrix of the tubular LED lamp 100, and is formed of a material having excellent heat transfer and heat dissipation, such as an aluminum alloy.

Meanwhile, a ballast ('50' of FIG. 6) may be built in the heat sink 20.

The diffusion cover 30 is assembled to the heat sink 20 to cover the LED chip L of the PCB substrate 10 mounted on the top surface of the heat sink 20, and the LED chip L It serves to diffuse so that the emitted color and brightness can be evenly distributed.

The base caps 42 and 44 are components for closing both ends of the tubular LED lamp 100, and the color of light emitted to the outside of the tubular LED lamp in a state in which a plurality of tubular LED lamps are extended in the longitudinal direction. And a material (eg PC-Polycarbonate) that allows the brightness to be evenly distributed over the entire connected length.

Here, it is understood that the material that is to be evenly distributed over the entire length, for example, the base caps 42 and 44 have the same material properties (transmittance and color) as the diffusion cover 30.

For example, the diffusion cover 30 may be formed of a semi-transparent material of approximately white in order to diffuse so that the color and brightness emitted from the LED chip L may be uniformly distributed, and the base cap 42 , 44 may also be made of a substantially white translucent material having the same or similar transmittance and color as the diffusion cover 30 so that the color and brightness emitted from the LED chip L may be uniformly distributed.

The first end surface of the tubular LED lamp 100 configured as described above is provided with a planar connection terminal T1 that is a first connection terminal, and a second connection terminal that is a second connection terminal is provided on the second end surface opposite to the first end surface. The terminal T2 is provided.

For example, as shown in FIG. 3, the planar connection terminal T1 may be exposed to a flat shape on an outer surface of one side base cap 42 constituting the first cross section of the tubular LED lamp 100. The planar connection terminal T1 may include a positive electrode part and a negative electrode part.

On the other hand, the protruding connection terminal (T2), as shown in Figure 4, may be configured to protrude to the outside of the other base cap 44 constituting the second cross section of the tubular LED lamp 100, The protruding connection terminal T2 may also include a positive electrode part and a negative electrode part.

A through hole h1 for protruding at least a portion of the protruding connection terminal T2 is formed in a cross section of the other base cap 44.

One end a of the protruding connection terminal T2 is fixed to an inner predetermined position of the other base cap 44.

In addition, the central portion (b) of the protruding connection terminal (T2) extending from the one end (a) is bent to protrude out of the other base cap 44 through the through hole (h1).

In addition, the other end c of the protruding connection terminal T2 extending from the center portion b is bent into the other side base cap 44 through the through hole h1.

On the other hand, in order to enable the sliding detachable coupling of the neighboring tube-shaped LED lamp 100 in the up and down direction, the outer side of the one side base cap 42 is formed with a sliding coupling insertion groove 42a extending in the vertical direction, the other side base Sliding engagement protrusions 44a extending in the vertical direction are formed on the outer surface of the cap 44, respectively.

The sliding coupling insertion groove 42a and the sliding coupling protrusion 44a are formed so as not to be separated in a perpendicular direction in the sliding engagement direction in a sliding engagement state with each other.

'의 형상으로 형성되고, 상기 슬라이딩 결합용 돌출부(44a)의 단면이 대략 '

'의 형상으로 형성됨에 따라 슬라이딩 결합방향의 직각방향으로 분리되지 않을 수 있다. For example, the cross section of the sliding coupling insertion groove 42a is approximately '

It is formed in the shape of ', the cross section of the sliding coupling protrusion 44a is approximately'

As formed in the shape of 'may not be separated in the direction perpendicular to the sliding engagement direction.

On the other hand, the forming position of the sliding coupling insertion groove 42a and the sliding coupling protrusion 44a may be formed opposite to each other.

In the tubular LED lamp 100 configured as described above, as shown in FIGS. 7 to 10, a plurality of tubular LED lamps 100A and 100B may be extended in the longitudinal direction.

As shown in FIG. 7 and FIG. 8, the sliding coupling insertion groove 42a formed in the base cap 42 of the one-sided tube type LED lamp 100A and the other side tube type LED adjacent to the one side tube type LED lamp 100A. As the sliding coupling protrusions 44a formed on the base cap 44 of the lamp 100B are coupled to each other in a vertical sliding manner, expansion connection is possible. As illustrated in FIG. 9, a plurality of neighboring tubular LEDs is illustrated. When the lamps 100A and 100B are connected, the lamps 100A and 100B are not separated at right angles in the sliding engagement direction.

For example, as described above, the plurality of tubular LED lamps 100A and 100B connected to each other may be installed on a bracket (not shown) fixed to the ceiling.

Meanwhile, when the plurality of tubular LED lamps 100A and 100B are connected to each other as shown in FIG. 9, as shown in FIG. 10, the planar connection terminal T1 provided in the base cap 42 of the one-sided tube type LED lamp 100A is illustrated. ) And the protruding connection terminals T2 provided in the base cap 44 of the other tube-shaped LED lamp 100B are electrically connected to each other by elastic contact with each other.

That is, in the process of the sliding coupling insertion groove 42a and the sliding coupling protrusion 44a are coupled to each other in the vertical manner by sliding, the outer surface of the base cap 42 of the one-tube-shaped LED lamp 100A is in contact with the outer surface. The central portion (b) of the protruding connection terminal (T2) is elastically deformed to elastically deform into the other tube-shaped LED lamp (100B), the coupling of the sliding coupling insertion groove (42a) and the sliding coupling protrusion (44a) In this state, as the protruding connection terminal T2 is pressed against and contacted with the planar connection terminal T1, they may be electrically connected to each other.

On the other hand, when a plurality of tubular LED lamps (100A, 100B) are connected to each other as shown in Figure 10, in the state in which one tube-shaped LED lamp (100A) is fixed to the bracket or the other tube-shaped LED lamp (100B) in the sliding coupling direction or In the state where the other tube type LED lamp 100B is fixed to the bracket, the one side tube type LED lamp 100A can be separated in the sliding engagement direction.

That is, in a state in which a plurality of tubular LED lamps 100 are connected in the longitudinal direction and installed in the bracket, only the corresponding tubular LED lamps 100 which are required to be replaced without removing all the plurality of tubular LED lamps from the bracket in the vertical direction. It can be removed and replaced.

Although the present invention has been described with reference to the preferred embodiments thereof with reference to the accompanying drawings, it will be apparent to those skilled in the art that many other obvious modifications can be made therein without departing from the scope of the invention. Accordingly, the scope of the present invention should be interpreted by the appended claims to cover many such variations.

10: PCB substrate 12: Adhesive tape
20: heat sink 30: diffusion cover
42, 44: Base cap 42a: Insertion groove for sliding coupling
44a: Sliding fitting protrusion T1: Planar connection terminal
T2: Projection connection terminal h1: Through hole
100: tube type LED lamp

Claims (5)

An electrical connection terminal is provided in each of the cross-section on both sides of the tube-type LED lamp for expansion connection configured to extend the plurality of lamps in the longitudinal direction,
A first connection terminal provided at a first end surface; And
And a second connection terminal provided at a second end surface opposite to the first end surface and provided to allow pressure contact with the first connection terminal of another neighboring tubular LED lamp.
Sliding engagement insertion grooves extending in the vertical direction are provided in the first or second end face, and sliding protrusions extending in the vertical direction are provided in the opposite end surface so as to enable sliding detachable coupling between neighboring tube-shaped LED lamps. Are each provided,
The first connection terminal is formed of a planar connection terminal, the second connection terminal is formed of a protruding connection terminal, the second connection terminal is characterized in that configured to enable elastic pressure contact with the first connection terminal. Tubular LED lamp for extended connection.
delete The method of claim 1,
Base caps for finishing are respectively provided at both ends of the tube-shaped LED lamps, and the first connection terminal is provided at one end of the base cap of one of the base caps at both ends, and the second connection is connected to the other end of the base cap. Tube type LED lamp for extended connection, characterized in that the terminal is provided.
The method of claim 3,
A through hole for protruding at least a portion of the second connection terminal is formed in the cross section of the base cap provided with the second connection terminal,
One end of the second connection terminal is fixed to a predetermined position inside the base cap, the center portion of the second connection terminal extending from the one end is bent to protrude out of the base cap through the through hole, The other end of the second connection terminal extending from the center portion is a tubular LED lamp for expansion connection, characterized in that the bent to the inside of the base cap through the through hole.
The method of claim 3,
The base cap is made of a material such that the color and brightness of light emitted to the outside of the tube-shaped LED lamp is uniformly distributed over the entire length of the extended connection in a state in which the plurality of tubular LED lamps are extended in the longitudinal direction. Tube type LED lamp for extended connection.

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