KR20100100451A - Led fluorescent lamp - Google Patents

Abstract

PURPOSE: An LED fluorescent lamp is provided to maintain a solid and stable assembling state by slidably assembling a cap in a main body. CONSTITUTION: A main body(110) is long formed with an extrusion molding process. An LED module(120) is arranged in the main body and irradiates light. A cap(130) is slidably combined in the main body in order to protect the LED module. The cap includes a reflecting member(131) in a light transmission part(132) so that light is concentrated and reflected to a flange for reflection(113). A fixed socket(140) closes both ends of the main body and the cap and is connected to the socket for the installation of a fluorescent lamp.

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 the wall, and to simplify the assembly, and to reflect the light emitted from the LED reflected by the cap back to improve the lighting efficiency. It relates to an LED fluorescent lamp that can be.

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 which is bent inwardly at both ends of the base 1a, as shown in FIGS. 1 and 2. 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, in the fluorescent lamp using the LED, when the cap 5 and the main body 1 are 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. On the other hand, if the disassembly is not easy and only a part of the inserting portion 6 is coupled to the corresponding inserting portion 7, there is a problem in that it cannot maintain a firm coupling state.

In addition, the fluorescent lamp using the LED, as shown in Figure 3, in order to extend the directivity of the light irradiated from the LED module 4, the light diffusion irregularities are formed in the interior of the cap (5), The light diffusion unevenness simply diffuses the light so that the irradiation angle of the light is wider, and because of this, the light is irregularly diffused, so that light is diffused to a region A where illumination is unnecessary, thereby reducing the degree of illumination.

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 to extend the reflecting flange in which the light reflected by the cap is concentrated on the main body to concentrate the light reflected by the cap to the reflecting flange and then transmitted through the cap to improve the lighting efficiency It is to provide an LED fluorescent lamp that can be made.

In addition, another object of the present invention is a reflection member is provided inside the cap facing the LED module provided in the main body to reflect the light emitted from the LED module to the reflecting flange to improve the lighting efficiency It is to provide an LED fluorescent lamp.

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

According to the present invention, there is provided a mounting portion having an LED module, a reflection flange extending on both sides of the mounting portion, and a body having an insertion groove formed at one end of the reflection flange; An LED module provided in the mounting portion of the main body to radiate light; A cap slidably coupled to the main body to reflect the light emitted from the LED module to the reflecting flange and to be diffused and transmitted; And a fixed socket for closing both ends of the main body and the cap and being connected to a socket for installing a fluorescent lamp to supply operating power to the LED module.

Here, the cap is preferably formed with an insertion protrusion corresponding to the insertion groove so as to slide into the insertion groove of the main body.

Here, the cap is preferably provided with a reflective member so that the light irradiated from the LED module is concentrated on the reflecting flange.

In addition, the reflecting flange preferably has a predetermined angle so that a plurality of flanges correspond to the inner shape of the cap.

In addition, the light transmitting portion is preferably formed with a diffusion protrusion for diffusing the light emitted from the LED module.

In addition, the reflective member preferably has an opening through which a part of the light irradiated from the LED module is transmitted.

In addition, the reflective member preferably has a predetermined angle so that the light irradiated from the LED module is concentrated on the reflective flange.

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, when a part of the light irradiated from the LED module is reflected by the cap by the reflecting flanges extending roundly on both sides of the mounting portion of the main body, it can be concentrated and reflected back to the cap to improve the lighting efficiency. .

In addition, a part of the light that is incident from the LED module is transmitted to the inside of the cap is provided with a reflecting member to concentrate the reflection toward the reflecting flange of the main body, so that more light is reflected on the reflecting flange The lighting efficiency can be improved.

On the other hand, the effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can 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 of 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 main body in the LED fluorescent lamp of Figure 4 The embodiment shows that the light is concentrated by the reflecting member of the cap and the reflecting flange.

As shown in Figure 4 to 6, the LED fluorescent lamp according to a preferred embodiment of the present invention, the main body 110, the main body is formed by the extrusion molding elongated and the reflecting flange 113 has a predetermined angle In order to protect the LED module 120, the LED module 120 is irradiated with light, the light is coupled to the body 110 to protect the LED module 120 to increase the degree of illumination of the light emitted from the LED module 120 Closing both ends of the cap 130 and the main body 110 and the cap 130 provided with a reflecting member 131 on the light-transmitting portion 132 so as to be concentrated on the reflecting flange 113 and connected to a socket for installing a fluorescent lamp It includes a fixed socket 140.

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 and the reflecting flange 112 is extended to both sides of the mounting portion (111).

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 113 is formed in the longitudinal direction so that the cap 130 is slidably inserted into one end of both side reflection flanges 112 of the mounting portion 111.

Accordingly, when a part of the light emitted from the LED module 120 is reflected by the cap 130 by the reflecting flange 112 extending roundly on both sides of the mounting portion 111, the cap 130 is concentrated again. 130 may be used to prevent diffuse reflection of light.

Here, the reflective flange 112, as shown in Figure 7, the plurality of flanges (112a, 112b) may have a predetermined angle so as to correspond to the internal shape of the cap 130, for example, mounting portion 111 The first flange 112a extending from) has an angle of about 148 ° from the plane tangent of the mounting portion 111 and the second flange 112b extending from the first flange 112a is the plane of the first flange 112a. It is formed to have an angle of about 153 ° from the tangent so that the light reflected from the cap 130 is concentrated on the reflecting flange 112 and then transmitted again through the cap 130 to the area where unnecessary illumination (A) For example, it is preferable that a large amount of light is irradiated to the upper ceiling or the wall surface of the main body 110, that is, to prevent diffuse reflection and increase 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. (Not shown) may be further rounded to enable rapid and effective cooling.

In addition, the main body 110 as described above has a simple structure in which the reflecting flange 112 extends to the mounting portion 111, thereby facilitating extrusion molding and thereby reducing manufacturing costs.

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 part 132 is formed with a diffusion protrusion 134 for diffusing light emitted from the LED module 120, the incident from the LED module 120 in a portion opposite to the LED module 120. Reflecting member 131 is provided so that the light is partially transmitted and the other is concentrated back toward the reflecting flange 112 of the main body 110.

Here, the reflective member 131 is a reflective panel or a thin film reflective film, and a plurality of openings 131a are formed in the longitudinal direction of the light transmitting part 132 so that a part of the light irradiated from the LED module 120 is transmitted. It may be transmitted to the outside of the light portion 132, and is provided to be symmetrical in the 'v' shape at a predetermined angle on the normal to the LED module 120 so that more light is concentrated on the reflecting flange 112. Can be reflected.

Therefore, according to the cap 130 as described above, as shown in FIG. 7, the light incident from the LED module 120 is partially transmitted through the cap 130, and the others are for reflection of the main body 110 again. Reflecting member 131 is provided to reflect toward the flange 112, so that more light is reflected on the reflecting flange 112 to prevent light from being diffused to the unnecessary area (A), lighting efficiency Can improve.

Here, although the external shape of the light transmitting portion 132 has a semicircular shape as a whole, a plurality of concave portions (not shown) for concentrating the light and transmitting a plurality of spherical waves according to the traveling direction of the light when the light is transmitted. It is desirable to have a certain length and to be formed repeatedly so that the spherical waves generated from the concave portions overlap each other to increase the effective illumination light.

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. The body 141 and the body 141 coupled in a manner surrounding the end are formed to protrude toward one end of the body 141 and are electrically connected to an electrode terminal (not shown) of the LED module 120 through wires (not shown), respectively. And a connection terminal 142 inserted into a fluorescent lamp installation socket (not shown).

On the other hand, 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 the power is input from either of the fluorescent lamp mounting socket is installed LED fluorescent lamp 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 portion 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, both ends of the main body 110 and the cap 130 on the body 141 of the fixed socket 140 so that the body 141 of the fixed socket 140 surrounds both ends of the main body 110 and the cap 130. The fitted body of the main body 110 and the cap 130 can be made quickly, firmly and stably.

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 part of the light irradiated from the LED module 120 is reflected by the cap 130 by the reflecting flange 112 extending roundly on both sides of the mounting portion 111. If it is concentrated and then reflected back to the cap 130 to prevent the irradiation of light to the area (A) unnecessary lighting.

Here, a part of the light incident from the LED module 120 is transmitted to the inside of the cap 130 by the reflection member 131 to be partially reflected toward the reflecting flange 112 of the main body 110 again. More light is reflected by the reflecting flange 112.

In addition, part of the heat generated by the LED module 120 is dissipated to the outside through the cap 130, the rest is transferred to the main body 110 to radiate heat to the outside.

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, when a part of the light emitted from the LED module 120 is reflected by the cap 130 by the reflecting flange 112 that extends roundly on both sides of the mounting portion 111, and then cap again By reflecting to the 130 can improve the lighting efficiency.

In addition, a reflection member 131 is provided in the cap 130 so that light incident from the LED module 120 is partially transmitted and the other is reflected back toward the reflecting flange 112 of the main body 110. In addition, more light is reflected to the reflecting flange 112 to improve the lighting efficiency.

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.

On the other hand, Figure 8 is a side cross-sectional view showing an LED fluorescent lamp according to a modification of the preferred embodiment of the present invention.

As described above, in the preferred embodiment of the present invention, the insertion groove 113 for fastening the cap 130 is formed at one end of the reflecting flange 112 extending from the mounting portion 111 of the main body 110, As shown in FIG. 8, the main body 110 of the LED fluorescent lamp according to the preferred embodiment of the present invention includes an insertion groove 111 on an extension line of the mounting portion 111 and the reflecting flange 112 extending from the mounting portion 111. 113-1) is formed and the insertion projection 133-1 of the cap 130 formed in a shape corresponding to the insertion groove 113-1 is slidingly inserted or elastically fastened to the insertion groove 113-1. You can do that.

Therefore, as in the preferred embodiment of the present invention, as compared with forming the insertion groove 113 in one end of the reflecting flange 112, the modification of the preferred embodiment of the present invention and the mounting portion 111 of the main body 110 and By forming the insertion groove 113-1 on the extension line of the reflecting flange 112, extrusion molding can be made easier, selectively sliding insertion or elastic binding to be more convenient for the coupling operation and state. And stable.

Here, since the reflection flange 113-1 of the main body 110 is wrapped by the cap 130 when the cap 130 is coupled to the insertion groove 113-1 of the main body 110, as described above, When the LED fluorescent lamp is removed from the fluorescent frame for repair, that is, when the LED fluorescent lamp is removed during operation, the heat of the main body 110 which emits heat of the LED module 120 is directly transmitted to the user's hand, resulting in a burn injury. You can prevent accidents.

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;

7 is an embodiment showing that the light is concentrated by the reflecting member of the cap and the reflecting flange of the body in the LED fluorescent lamp of FIG. 4; And

8 is a side sectional view showing an LED fluorescent lamp according to a modification of the preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

110: main body 112: reflection flange

120: LED module 130: cap

131: reflective member 140: fixed socket

141: body 142: connection terminal

Claims (8)

The main body 110 having an insertion groove 113 formed at one end of the mounting unit 111 having the LED module 120, the reflecting flange 112 and the reflecting flange 112 extending at both sides of the mounting unit 111. ; An LED module 120 provided at the mounting portion 111 of the main body 110 to irradiate light; A cap 130 which is slidably coupled to the main body 110 and reflects light emitted from the LED module 120 to the reflecting flange 112 and is diffused and transmitted; 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. Mounting portion 111 is provided with the LED module 120, the reflecting flange 112 extending on both sides of the mounting portion 111 and the insertion groove 113- on the extension line of the mounting portion 111 and the reflecting flange 112. 1) the main body 110 is formed; An LED module 120 provided at the mounting portion 111 of the main body 110 to irradiate light; A cap 130 which is slidably coupled to the main body 110 and reflects light emitted from the LED module 120 to the reflecting flange 112 and is diffused and transmitted; 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. According to claim 1 or 2, The cap 130 is inserted into the projections (133,133-1) corresponding to the insertion grooves (113, 113-1) so as to slide into the insertion grooves (113, 113-1) of the main body (110). LED fluorescent lamp characterized in that is formed. According to claim 1 or claim 2, wherein the cap 130 is reflected on the light projecting portion 132 so that the light is concentrated on the reflecting flange 113 in order to increase the degree of illumination of the light irradiated from the LED module 120 LED fluorescent lamp having a member (131). The method of claim 1 or 2, wherein the reflecting flange 112, LED fluorescent light, characterized in that a plurality of flanges (112a, 112b) have a predetermined angle so as to correspond to the internal shape of the cap (130). According to claim 1 or 2, wherein the cap 130 is characterized in that the diffusion projection 134 for diffusing the light emitted from the LED module 120 is formed on the inner side of the light transmitting portion 132. LED fluorescent light. The LED fluorescent lamp of claim 4, wherein the reflective member (131) has an opening (131a) through which a part of the light radiated from the LED module (120) is transmitted. The LED fluorescent lamp of claim 4, wherein the reflecting member (131) has a predetermined angle so that the light emitted from the LED module (120) is concentrated on the reflecting flange (112).

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