KR20100100450A

KR20100100450A - Led fluorescent lamp

Info

Publication number: KR20100100450A
Application number: KR1020090019346A
Authority: KR
Inventors: 김재학
Original assignee: 김재학
Priority date: 2009-03-06
Filing date: 2009-03-06
Publication date: 2010-09-15
Also published as: KR101026770B1

Abstract

PURPOSE: An LED fluorescent lamp is provided to generate a plurality of spherical waves by concentrating light which is irradiated from a LED module after forming a plurality of concave parts in the light transmission part of a cap. CONSTITUTION: A main body(110) is long formed with an extrusion molding process. An LED module(120) is arranged in the mounting part of the main body and irradiates light. A cap(130) comprises a light transmission part(132) in which a plurality of concave parts(131) are formed. A gap for the easy insertion of a fixed socket is formed between heat radiation fins(113). The fixed socket protects the LED module by closing both ends of the main body and the cap.

Description

LED fluorescent lamp

The present invention relates to an LED fluorescent lamp, and more particularly, to simplify the assembly of the LED fluorescent lamp installed on the ceiling or wall, and to assemble the light emitted from the LED so as to have a plurality of spherical waves in the traveling direction to overlap the illumination It relates to an LED fluorescent lamp that can improve the efficiency.

In general, various types of lamps or the like are used to provide light or to irradiate an object at night or indoors. Such lamps or lamps are supplied with power to convert electrical energy into light energy to provide light or to irradiate an object, and in general, incandescent lamps or fluorescent lamps are generally used.

Recently, although it is expensive, various colors can be produced, and a long lifetime and low power consumption have led to the development of lamps or lamps using LEDs (Light Emitting Diodes). have. In addition, within several years, high energy-consuming light bulbs are to be dismissed, and as part of the national project, research and development in the LED field is actively progressing. Among such LEDs, fluorescent lamps using LEDs are disclosed in Korean Patent No. 10-866586.

1 to 3 are exploded perspective views, side cross-sectional views, and light diffusion showing a conventional LED fluorescent lamp, respectively.

The fluorescent lamp using the LED of Patent No. 10-866586 includes a hemispherical base 1a and an extension part 1b bent inwardly at both ends of the base 1a, as shown in FIGS. 1 to 3. Body 1 made of; A heat dissipation blade (2) formed along the longitudinal direction inside the base (1a) of the main body (1) to increase the heat dissipation area to increase heat dissipation efficiency; A fixing part (3) comprising a plate (3a) mounted on an extension of the base (1a) and a receiving protrusion (3b) connected to both sides of the plate (3a); An LED module 4 which is seated between the receiving protrusions 3b of the fixing part 3 and includes a PCB substrate 4b on which a plurality of LEDs 4a are mounted; Cap is formed in a hemispherical shape covering the main body 1, the thickness of both sides is relatively thinner than the upper center, to increase the transmission of light emitted to both sides to extend the direction of the light emitted from the LED module ( 5); An insertion part 6 is formed at an upper end of the main body 1, and a corresponding insertion part 7 coupled to the insertion part 6 is formed at a lower end of the cap 5, and the main body 1 and Desorption means for ensuring the coupling and detachability of the main body 1 and the cap 5 by detaching the insertion portion 6 and the corresponding insertion portion 7 exerts elasticity when the cap 5 is detached ( 8); And a fixed cover 9 for fixedly coupling both ends after the main body 1 and the cap 5 are coupled to each other.

However, the fluorescent lamp using the LED can increase the lighting efficiency of the light emitted from the LED module 4 through the cap 5 of a specific structure, there is a limit to the improvement of the lighting efficiency, and the cap 5 and When the main body 1 is coupled, the insertion portion 6 of the cap 5 is elastically detached to the corresponding insertion portion 7 of the main body 1 so that the coupling is easy, but the disassembly is not easy, and only a part of the insertion portion 6 is removed. When coupled to the corresponding insert 7 there is a problem that can not maintain a firm coupling state.

In addition, the fluorescent lamp using the LED is a light diffusion unevenness is usually formed inside the cap (5) in order to extend the directing angle of the light irradiated from the LED module 4, the light diffusion unevenness is simply There is a problem that the illumination degree is reduced because the light is not concentrated because it is diffused irregularly to widen the irradiation angle.

In other words, since the outer shape of the cap 5 has a semicircular cross section even when the light diffusion irregularities are formed, as shown in FIG. 3, the wave front of the cap 5 through which light is transmitted is capped. Since the light has scattered in all directions because it has a circle or spherical envelope corresponding to the outline of (5), and the wavefront has a spherical or circular envelope according to the direction of the light as described above, the amplitude of the light is Due to the characteristics of the wave inversely proportional to the distance, there is a problem that the intensity of the light, that is, the illuminance decreases.

Therefore, it is an object of the present invention to provide an LED fluorescent lamp that can be slid into the main body to facilitate the coupling to simplify the assembly and to maintain a solid assembly state.

In addition, another object of the present invention is that the light transmitting portion of the cap is configured to have a plurality of concave portions so that each spherical wave is generated from the concave portions to brighten the brightness of the light through the overlap between the adjacent spherical waves through which the lighting efficiency To provide an LED fluorescent lamp that can be improved.

Meanwhile, the object of the present invention is not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to the present invention, the mounting portion is provided with the LED module and the main body is formed with insertion grooves on both sides of the mounting portion; An LED module provided in the mounting portion of the main body to radiate light; A cap slidingly coupled to the main body and having a light transmitting portion formed with a plurality of concave portions for generating a plurality of spherical waves in a traveling direction of light to increase the degree of illumination of the light emitted from the LED module; And LED fluorescent lamp comprising a fixing socket which is closed to both ends of the main body and the cap and connected to the socket for fluorescent lamp installation.

Here, it is preferable that the heat dissipation fin for dissipating heat generated by the LED module to one side of the main body has a gap and is rounded.

In addition, the cap, it is preferable that the insertion projection corresponding to the insertion groove is formed so as to slide into the insertion groove of the main body.

In addition, the light transmitting portion, it is preferable that the diffusion protrusion for diffusing the light emitted from the LED module is formed.

The plurality of recesses may have a predetermined length to concentrate the light when the light is transmitted to the light transmitting part and to form a plurality of spherical waves according to the traveling direction of the light, and may be repeatedly formed in the longitudinal direction of the cap. .

In addition, it is preferable that spherical waves of light generated by the plurality of recesses overlap each other.

In addition, the fixed socket, the body is coupled in a manner surrounding the end of the body and the end of the cap; A connection terminal protruding to one end of the body and electrically connected to an electrode terminal (not shown) of the LED module and inserted into a fluorescent lamp installation socket (not shown); And a guide protrusion fitted into a gap between the main body and the heat dissipation fins and a gap between the heat dissipation fins when the main body and the cap surround the end of the cap.

Therefore, according to the present invention, the cap is assembled to the sliding insertion support to the main body to maintain a solid and stable assembly state.

In addition, since a plurality of recesses are formed in the light transmitting portion of the cap, the light emitted from the LED module can be concentrated to generate a plurality of spherical waves, and the lighting efficiency can be improved by overlapping adjacent spherical waves.

In addition, it is possible to improve the heat dissipation effect by releasing heat generated from the LED module in the air inlet or circulation method.

On the other hand, the effects of the present invention is not limited to the effects mentioned above, other effects that are not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 is a perspective view showing the LED fluorescent lamp according to a preferred embodiment of the present invention, Figures 5 and 6 are exploded perspective and side cross-sectional view showing the LED fluorescent lamp of Figure 4, respectively, Figure 7 is a cap in the LED fluorescent lamp of Figure 4 According to an embodiment of the present invention, spherical waves are superimposed along the traveling direction of light by the recesses.

As shown in Figure 4 to 6, the LED fluorescent lamp according to a preferred embodiment of the present invention, the main body 110 is formed by the extrusion molding, the LED module 120 is provided on the main body 110 and irradiates light In order to protect the LED module 120, the plurality of concave parts are slidably coupled to the main body 110 and a plurality of spherical waves are generated in the traveling direction of the light in order to increase the degree of illumination of the light emitted from the LED module 120. Cap 130 having a light-transmitting portion 132 is formed 131 and the main body 110 and the fixing socket 140 is closed to both ends of the cap 130 and connected to a socket for installing a fluorescent lamp.

The main body 110 is extruded from aluminum having excellent heat dissipation effect, is formed in a thin and compact appearance, and the outer surface may be inodized in various colors.

In addition, the main body 110 is formed in a semi-circular cross section, that is, the mounting portion 111 is provided with the LED module 120 in a portion facing the user side in the state that the LED fluorescent lamp is installed on the ceiling or the top of the wall. ) Is formed in the longitudinal direction.

Here, the mounting portion 111 allows the LED module 120 to be mounted through a fixing means such as a bolt or an attachment means such as an adhesive, and the LED module 120 is inserted into the main body 110 without the fixing means or the attachment means. Sliding grooves (not shown) may be formed.

In addition, the insertion groove 112 is formed in the longitudinal direction on both sides of the mounting portion 111 so that the cap 130 is slidingly inserted.

In this case, additional reflection flanges (not shown) may be further formed on both sides of the mounting part 111, and when a part of the light emitted from the LED module 120 is reflected by the cap 130, it is reflected back to the outside. The reflective flange may be formed to correspond to a predetermined angle, that is, an inner shape of the cap 130, so that the reflected light is concentrated on the reflective flange, thereby increasing the effective illumination light. .

In addition, the heat dissipation fins for dissipating heat generated from the LED module 120 to the outside on both sides of the upper part of the main body 110, that is, the LED fluorescent lamp is installed on the ceiling or the wall. 113 is formed to be round, and a gap 114 is formed between the heat dissipation fins 113 to facilitate the insertion of the fixed socket 140.

Here, the heat dissipation fins 113 are formed at regular intervals from the main body 110, and together with the gap 114 between the heat dissipation fins 113 to form an air flow path between the heat dissipation fins 113 through the gaps. The heat transferred to can be cooled and released quickly and effectively.

The LED module 120 is installed at a predetermined interval on the substrate 121 and the substrate 121 that is detachably coupled to the mounting portion 111 of the main body 110, and is electrically connected to the fixed socket 140 to actually light the light. It includes a plurality of LEDs (LED) 122 to irradiate.

Here, the plurality of LEDs 122 are electrically connected to resistors, capacitors, and the like, and the configuration thereof is well known to those skilled in the art, and thus the description and the detailed description thereof will be omitted.

In addition, when the LED module 120 has a long length of the LED fluorescent lamp, if the substrate 121 is manufactured as one, the entire length may be too long and easily deformed, so that the plurality of substrates 121 are electrically connected to each other, and the mounting portion 111 Is preferably provided).

The cap 130 protects the LED module 120 provided in the mounting portion 111 of the main body 110, and has a light transmitting portion 132 for transmitting light emitted from the LED module 120 to the outside. The insertion protrusion 133 is formed to correspond to the insertion groove 112 so as to slide into the insertion groove 112 of the main body 110.

Accordingly, the insertion protrusion 133 of the cap 130 is slidably supported by the insertion groove 112 of the main body 110, thereby preventing the cap 130 from being shaken or rocked while being inserted into the main body 110, thereby being firm. And stability can be maintained.

In addition, the light transmitting portion 132 is formed with a diffusion protrusion 134 for diffusing light emitted from the LED module 120, the external shape of the light transmitting portion 132 has a semi-circular cross section as a whole, When the light is transmitted, a plurality of concave portions 131 concentrating the light and forming a plurality of spherical waves according to the light traveling direction are repeatedly formed with a predetermined length.

Therefore, according to the plurality of recesses 131 of the light transmitting part 132, when the light diffused by the diffusion protrusion 134 and scattered in all directions enters the recesses 131, the recesses 131. ), The light is focused. At the same time, a plurality of spherical waves corresponding to the outer shape of the concave portion 131 are generated according to the traveling direction of the light. At this time, spherical waves generated from the adjacent concave portion 131 overlap each other, thereby increasing the effective illumination light. Through this, the degree of illumination can be improved.

That is, as shown in FIG. 7, the light transmitting portion 132 is formed to have a plurality of concave portions 131, thereby concentrating diffusely reflected light without configuring a separate means for concentrating light. At the same time, even though the intensity of light decreases with distance according to the characteristics of the spherical wave, the amount of light may eventually increase with respect to a predetermined area (hatched portion A) through the superposition of the spherical waves according to the direction of light travel. This can improve the degree of illumination.

The fixed socket 140 protects the LED module 120 by closing both ends of the main body 110 and the cap 130 and is electrically connected to the fluorescent lamp installation unit. Body 141 is coupled in a manner surrounding the end, is formed to protrude to one end of the body 141 and is electrically connected to the electrode terminal (not shown) of the LED module 120 through a wire (not shown), respectively, Connection terminal 142 inserted into the fluorescent lamp installation socket (not shown) and the main body 110 and the heat dissipation fins 113 inside the body 141 to facilitate the surrounding work when the end of the main body 110 and the cap 130 is surrounded. It includes a guide protrusion 143 that is inserted in the gap 114 between the gap between the heat dissipation fins 113.

On the other hand, in order to more effectively radiate heat generated from the LED module 120, a plurality of air inlet (not shown) may be further drilled at an appropriate position of the air flow path between the heat radiation fins 113 of the main body 110. .

In addition, the LED module 120 needs to consider the coupling direction when the fixed socket 140 is coupled to the fluorescent lamp mounting socket so that the LED module 120 is turned on even when power is input from either of the fluorescent lamp mounting socket in which the LED fluorescent lamp is installed. A driving circuit (not shown) may be further provided outside of the socket for installing a fluorescent lamp, that is, at one end of a conventional fluorescent lamp frame.

Here, the driving circuit cuts off the overvoltage and overcurrent of the input power, removes the surge voltage and noise introduced from the outside, and always supplies a stable constant current of a certain size to the LED module 120, the LED module 120 is turned on without blinking At the same time, the bidirectional input power processing is possible, and since it is a known technique, detailed description thereof will be omitted.

Hereinafter, the operation and effect of the LED fluorescent lamp according to a preferred embodiment of the present invention having the configuration as described above will be described.

First, the main body 110 is manufactured by extrusion molding, and a plurality of LEDs 122 are installed on the substrate 121 at regular intervals to prepare the LED module 120, and the cap 130 is prepared and manufactured by extrusion molding. The fixing socket 140 is prepared by installing the connection terminal 142 on the body 141.

Subsequently, the substrate 121 of the LED module 120 is provided in the longitudinal direction from one end of the mounting part 111 of the main body 110 to the other end.

Thereafter, a known driving circuit for driving the LED module 120 is provided at an outer side of the fluorescent frame to connect between a ballast (not shown) and a socket for installing a fluorescent lamp.

Thereafter, the insertion protrusion 133 of the cap 130 is slidably inserted along the insertion groove 112 of the main body 110. In this case, the cap 130 is slidably supported by the main body 110, thereby preventing the cap 130 from being shaken or detached and maintaining stability and robustness.

Thereafter, the electrode terminal of the LED module 120 and the connection terminal 142 of the fixed socket 140 are electrically connected to each other by a wire or the like. Here, the electrical connection between the electrode terminal of the LED module 120 and the connection terminal 142 of the fixed socket 140 may be performed before or after the LED module 120 is provided in the main body 110.

Then, the guide protrusion 143 of the fixed socket 140 between the main body 110 and the heat dissipation fin 113 so that the body 141 of the fixed socket 140 surrounds both ends of the main body 110 and the cap 130. The gap and the heat dissipation fins 113 may be inserted into the gap 114 between the main body 110 and the cap 130 to be quickly, firmly and stably made.

LED fluorescent lamps assembled as described above can achieve a desired lighting by being connected to the connection terminal 142 of the fixed socket 140 to the socket of the fluorescent frame installed on the ceiling or wall for installing a conventional fluorescent lamp. . Here, the connection terminal 142 does not need to consider the coupling direction by the driving circuit can be freely coupled to the socket of the frame, and also the stable power is always supplied by the driving circuit.

In addition, most of the light emitted from the plurality of LEDs 122 of the LED module 120 is transmitted to the outside through the cap 130, at this time, by the diffusion projection 134 of the light transmitting unit 132 The light is diffused to widen the illumination range, and a plurality of spherical waves corresponding to the shape of the concave portion 131 is generated by the plurality of concave portions 131 of the light transmitting portion 132 according to the traveling direction of the light. In this case, adjacent spherical waves may overlap each other, thereby increasing the effective illumination light, thereby improving the degree of illumination.

In addition, part of the heat generated from the LED module 120 is dissipated to the outside through the cap 130, the rest is transferred to the heat radiation fins 113 of the main body 110 can be radiated to the outside to improve the heat dissipation effect. .

Therefore, according to the above, it is possible to maintain a solid and stable assembly state by assembling the cap 130 to the sliding insertion support to the main body 110.

In addition, the light transmitting portion 132 of the cap 130 is formed to have a plurality of concave portion 131 to concentrate the light irradiated from the LED module 120 to generate a plurality of spherical waves and illumination through the overlap of adjacent spherical waves The efficiency can be improved.

In addition, it is possible to improve the heat dissipation effect by releasing heat generated from the LED module 120 in the air inlet or circulation method.

While the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, those skilled in the art to which the present invention pertains have various permutations and modifications without departing from the spirit or essential features of the present invention. It is to be understood that the present invention may be practiced in other specific forms, since modifications may be made. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

1 to 3 are exploded perspective views, side cross-sectional views, and light diffusion showing a conventional LED fluorescent lamp, respectively;

4 is a perspective view showing the LED fluorescent lamp according to a preferred embodiment of the present invention;

5 and 6 are exploded perspective and side cross-sectional views showing the LED fluorescent lamp of Figure 4, respectively; And

FIG. 7 is a view illustrating superposition of spherical waves along a traveling direction of light by a recess of a cap in the LED fluorescent lamp of FIG. 4.

110: main body 120: LED module

130: cap 131: recess

132: light emitting portion 133: insertion projection

134: diffusion protrusion 140: fixed socket

141: body 142: connection terminal

143: guide protrusion

Claims

A main body 110 having a mounting portion 111 having an LED module 120 and insertion grooves 112 formed at both sides of the mounting portion 111;

An LED module 120 provided at the mounting portion 111 of the main body 110 to irradiate light;

The light-transmitting portion 132 is formed by a plurality of concave portions 131 slidingly coupled to the main body 110 to generate a plurality of spherical waves in the traveling direction of the light in order to increase the degree of illumination of the light emitted from the LED module 120. Branch cap 130; And

LED fluorescent lamp, characterized in that it comprises a fixed socket 140 for closing the both ends of the body 110 and the cap 130 and connected to the socket for installing the fluorescent lamp to supply the operating power to the LED module 120.

The LED fluorescent lamp of claim 1, wherein one side of the main body (110) has a heat dissipation fin (113) having a gap (114).

The LED fluorescent lamp of claim 1, wherein the cap (130) is formed with an insertion protrusion (133) corresponding to the insertion groove (112) so as to slide into the insertion groove (112) of the main body (110).

The LED fluorescent lamp of claim 1, wherein the light transmitting part (132) has a diffusion protrusion (134) formed therein for diffusing the light emitted from the LED module (120).

The method of claim 1, wherein the plurality of concave portions 131 has a predetermined length to concentrate the light when the light is transmitted to the light transmitting portion 132 and to form a plurality of spherical waves in the direction of light travel (cap) LED fluorescent lamp, characterized in that formed repeatedly in the longitudinal direction of 130).

The LED fluorescent lamp of claim 5, wherein spherical waves of light generated by the plurality of recesses (131) overlap each other.

The method of claim 2, wherein the fixed socket 140,

A body 141 coupled in a manner surrounding the end of the main body 110 and the end of the cap 130;

A connection terminal 142 formed to protrude to one end of the body 141 and electrically connected to an electrode terminal (not shown) of the LED module 120 and inserted into a socket for installing a fluorescent lamp (not shown); And

Guide protrusions fitted in the gap 114 between the main body 110 and the heat dissipation fins 113 and the gap 114 between the heat dissipation fins 113 in the interior of the body 141 at the edges of the main body 110 and the cap 130. 143) comprising an LED fluorescent lamp.