JP2015216087A - LED lighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide LED lighting device.SOLUTION: A lighting device in accordance with one preferred embodiment of this invention comprises a cover of hollow cylindrical shape with light transmissivity in which both ends in a longitudinal direction are released; a frame formed to extend in a direction arranging in parallel with a longitudinal direction of the cover and slidably inserted and connected along the longitudinal direction of the cover at an inner diameter surface of the cover so as to be positioned in an inner space of the cover; an LED module including light emitting LEDs and supported at a lower side surface of the frame; and a driving circuit module for driving the LEDs and supported at the upper side surface of the frame, and the frame is formed with protrusions at both ends connected to the inner diameter surface of the cover.

Description

  The present invention relates to an illuminating device, and more particularly to a straight tube type LED illuminating device in the form of a fluorescent lamp.

  Since the light emitting diode (LED), which is an optical semiconductor using a compound semiconductor, was invented, white LEDs have been rapidly developed in terms of the efficiency of light emitted with respect to input power.

  Encouraged by the development of such light efficiency, it secures the light emission characteristics of a lot of light with low energy consumption, and now it is widely used as illumination, replacing traditional light sources such as incandescent lamps, fluorescent lamps and high pressure discharge lamps It came to be done.

  Among them, fluorescent lamps having particularly high light efficiency have been used most frequently as high-efficiency lighting until recently, but the efficiency of LED lighting has overtaken fluorescent lamps, and fluorescent lamps have begun to be replaced by LED lighting.

  The straight tube type LED lighting developed for replacing the fluorescent lamp adopts the same G13 base, which is a standard connection of a conventional fluorescent lamp, and is commercialized so that it can be fastened to a conventional fluorescent lamp fixture as it is.

  At this time, the G13 base is a pair of pins provided at both ends of the straight pipe, and serves not only to supply power but also to support the weight of the mechanism at the same time. This is one of the most important issues.

  Thus, in general, a straight tube type LED illumination is provided with a light source unit (LED module, metal frame, translucent cover, G13 base socket, etc.) in the form of a fluorescent lamp and a drive circuit unit (AC power supplied from the outside). The power exterior type LED lighting is mainly commercialized by separating from the power source for driving the LED module and separating the converted power source to the LED module.

An object of the present invention is to provide a power-internal-type cylindrical LED lighting device that is economical and has high light efficiency.
It is another object of the present invention to provide an LED lighting device including a frame that supports both the drive circuit module and the LED module while minimizing weight and can be firmly coupled to the inside of the cover.

  In order to solve the above-described problem, according to one aspect of the present invention, a cover having a hollow cylindrical shape, formed so as to be open at both ends in the length direction and having translucency, and a length of the cover A frame extending in a direction aligned with the vertical direction and slidingly inserted and coupled to the inner diameter surface of the cover along the length direction of the cover so as to be positioned in the inner space of the cover; and an LED that emits light An LED module supported on a lower surface of the frame; and a drive circuit module that drives the LED and is supported on an upper surface of the frame. The frame is coupled to an inner diameter surface of the cover. There is provided an LED lighting device in which protrusions are formed at both ends.

  At this time, when viewed from a cross section in a direction perpendicular to the length direction of the cover, the frame is formed so as to cross a central portion of the inner space of the cover in the lateral direction, and the LED is on the light emitting direction side of the LED. The cover may be arranged so as to be separated from the inner diameter surface of the cover by the radius of the cover.

  At this time, the frame is supported by the LED module and the drive circuit module, and is formed in a plate shape, and is coupled to both sides of the inner diameter surface of the cover, and the protrusion is formed, The support part and the coupling part that couples the coupling part may be included, and the support part, the coupling part, and the coupling part may be integrally formed.

  At this time, the connection part may be inclined in the lower direction as it goes from the support part to the coupling part.

  At this time, in a cross section in a direction perpendicular to the length direction of the frame, the coupling portion is formed to extend in the vertical direction, and the coupling portion includes an end portion of the support portion and a lower end of the coupling portion. It may be formed to connect.

  At this time, a guide plate may be formed on the inner diameter surface of the cover so as to support the upper end of the coupling portion.

  Meanwhile, the protrusion may be inserted and coupled to an insertion groove formed on the inner diameter surface of the cover.

  The frame may be formed larger than the inner diameter of the cover.

  In addition, in the cross section in a direction perpendicular to the length direction of the frame, the protrusion may include a plurality of sawtooth-shaped protrusions formed in the vertical direction.

  Meanwhile, the LED module may further include a first substrate on which a plurality of the LEDs are arranged and arranged at a uniform interval.

  At this time, the first substrate may be bonded to the lower surface of the frame.

  In addition, the drive circuit module includes an insulating sheet coupled to the upper surface of the frame, a second substrate coupled to the insulating sheet but spaced apart from the upper surface of the frame, and the second substrate. Circuit components provided thereon.

  At this time, the LED module and the driving circuit module further include a metal pin that connects the first substrate and the second substrate that are spaced apart from each other and extends vertically. It may be electrically connected by a metal pin.

  Meanwhile, the cover may further include a side cap coupled to both ends in the length direction of the cover.

  At this time, a coupling member that protrudes toward the inside of the cover is formed at one end of the side cap, and the coupling member includes a first coupling member that is inserted and coupled to the inner diameter surface of the cover, and the frame. A second coupling member coupled to the end.

  In addition, a ring-shaped sealing member provided between the side cap and the cover may be further included.

  In addition, a connection terminal electrically connected to the drive circuit module may be formed at the other end of the side cap.

  According to an embodiment of the present invention, the drive circuit module can be disposed inside the cylindrical cover by minimizing the volume and weight of the frame supporting the LED module.

  In addition, according to an embodiment of the present invention, the frame is formed into a cylindrical shape while supporting both the LED module and the drive circuit module by forming a protrusion on the coupling portion while minimizing the volume and weight of the frame. It can be firmly fixed inside the cover.

It is a perspective view of the LED lighting apparatus concerning one Embodiment of this invention. It is the figure which showed a part of LED lighting apparatus concerning one Embodiment of this invention as an assembly drawing. FIG. 3 is a cross-sectional view taken along line III-III ′ in FIG. 1. It is sectional drawing which showed only the one part structure in the LED lighting apparatus concerning one Embodiment of this invention. It is an enlarged view of the V part in FIG. It is the enlarged view which showed the other form of V part in FIG. It is the enlarged view which showed the other form of V part in FIG. It is the figure which showed the internal structure of the LED lighting apparatus concerning one Embodiment of this invention. It is the figure which showed the circuit diagram of the LED lighting apparatus concerning one Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily implement the embodiments. However, the present invention can be implemented in various different forms and is not limited to the embodiments described herein. In the drawings, parts unnecessary for the description are omitted in order to clearly describe the present invention, and the same or similar components are denoted by the same reference numerals throughout the specification.

FIG. 1 is a perspective view of an LED lighting device 100 according to an embodiment of the present invention.
FIG. 2 is a view showing a part of the LED lighting device 100 according to the embodiment of the present invention as an assembly drawing.

  First, the overall structure and assembly method of the LED lighting device 100 will be described with reference to FIGS. 1 and 2.

  Referring to FIG. 1, an LED lighting device 100 according to an embodiment of the present invention is a straight tube type LED lighting device in the form of a fluorescent lamp, and side caps 50 are coupled to both ends of a cylindrical cover 120. Configured.

  At this time, the side cap 50 may be made of the same G13 base as the standard used for the fluorescent lamp, but the present invention is not limited to this.

  Referring to FIGS. 1 and 2, the LED lighting device 100 according to the embodiment of the present invention includes a cover 120, a frame 140, an LED module 160, a drive circuit module 180, and a side cap 50.

  According to an embodiment of the present invention, as shown in FIG. 2, an LED module 160 including LEDs of light emitting elements is provided inside a cylindrical cover 120, and the LED module 160 is supplied with power. The drive circuit module 180 that drives the LED by supplying the LED may be provided inside the cover 120 together with the LED module 160.

  That is, the LED lighting device 100 according to the embodiment of the present invention is configured by a power internal type system in which a drive circuit module 180 serving as a power supply is embedded inside the cover 120.

  Referring to FIG. 2, the LED module 160 and the driving circuit module 180 may be supported by a support frame 140 that supports the LED module 160 and the driving circuit module 180, and the frame 140 may be slid inside the cover 120. May be inserted and combined.

  In addition, according to an embodiment of the present invention, a coupling member that protrudes in the inner direction of the cover 120 may be formed at one end of the side cap 50 that is coupled to both ends of the cover 120 in the length direction.

  For example, referring to FIG. 2, the aforementioned coupling member may include a first coupling member 51 coupled to the inner diameter surface of the cover 120 and a second coupling member 52 coupled to the end of the frame 140. it can.

  At this time, the first coupling member 51 may be a protruding member formed in a circular shape so as to correspond to the shape of the inner diameter surface of the cover 120, and may be coupled to the inner diameter surface of the cover 120 by an insertion method.

  The second coupling member 52 may be a known fastening member, for example, a pin or a screw, and is coupled to a coupling hole 148 (see FIG. 4) formed at an end of the frame 140. It's okay.

  On the other hand, according to an embodiment of the present invention, the other end of the side cap 50 may be formed with a connection terminal 54 protruding outward.

  At this time, the connection terminal 54 is a connection terminal for supplying an external power source to the LED lighting device 100. For example, an AC power source supplied from the outside and the drive circuit module 180 of the LED lighting device 100 are electrically connected. Can be linked together.

  At this time, the connection terminal 54 can include a standard pin provided on the G13 base, similarly to the fluorescent lamp, but the present invention is not limited to this.

  On the other hand, as shown in FIG. 2, according to an embodiment of the present invention, a ring-shaped sealing member 55 may be provided between the side cap 50 and the cover 120.

  At this time, the sealing member 55 is for waterproofing and vibration proofing, and can prevent external foreign matters such as moisture and dust from penetrating into the cover 120.

  As described above, the LED lighting device 100 according to an embodiment of the present invention is a straight tube type LED lighting device in the form of a fluorescent lamp, and is a power-interior type LED lighting device. Each configuration will be described in detail.

3 is a cross-sectional view taken along line III-III ′ in FIG.
FIG. 4 is a sectional view showing only a part of the configuration of the LED lighting device 100 according to the embodiment of the present invention.
FIG. 5 is an enlarged view of a portion V in FIG.
FIG. 6 is an enlarged view showing another form of the V portion in FIG.
FIG. 7 is an enlarged view showing still another form of the V portion in FIG.

  As described above, the LED lighting device 100 according to the embodiment of the present invention includes the cover 120, the frame 140, the LED module 160, and the drive circuit module 180.

  Referring to FIGS. 1 to 3, the cover 120 constitutes an external form of the LED lighting device 100, and is a portion where various components including a light emitting means are provided, and has a straight tube shape like a fluorescent lamp. It is formed.

  That is, according to an embodiment of the present invention, the cover 120 may have a hollow cylindrical shape and may be formed in a form in which both ends in the length direction are open.

  At this time, the cover 120 may be made of a light-transmitting material so that light emitted from the LEDs provided therein can be transmitted to the outside.

  At this time, the cover 120 may be manufactured by extrusion molding with a synthetic resin, and a certain cross-sectional shape along the length direction, for example, a cross section perpendicular to the length direction may form a circle.

  Meanwhile, according to an embodiment of the present invention, the insertion groove 121 (see FIG. 5) and the guide plate 122 (see FIG. 5) may be formed integrally with the cover 120 on the inner diameter surface of the cover 120. This is a configuration for firmly coupling the frame 140 described later, and this will be described again in this part.

  On the other hand, in this specification, the “inner diameter surface” of the cover 120 is a surface that forms the inner diameter of the cover 120 and means the inner surface of the cover 120 that forms the inner space of the cover 120.

  As described above, the frame 140 may be inserted into the cover 120 in a sliding manner and coupled to the cover 120.

  2 and 3, the frame 140 is positioned in the inner space of the cover 120 and supports the LED module 160 and the drive circuit module 180 in a direction aligned with the length direction of the cover 120. It may be formed in an extending form.

  At this time, according to an embodiment of the present invention, as shown in FIG. 2, the frame 140 may be formed to be inserted and coupled to the inner diameter surface of the cover 120 in a sliding manner.

  At this time, both ends of the frame 140 are inserted and coupled to both sides of the inner diameter surface of the cover 120. However, according to an embodiment of the present invention, the projections 147 (see FIGS. 7) may be formed.

  As a result, the frame 140 can be firmly inserted and coupled to the inner diameter surface of the cover 120 by various methods, which will be described again in related portions.

  At this time, according to the embodiment of the present invention, as shown in FIGS. 3 and 4, the frame 140 has an inner space of the cover 120 as viewed from a cross section perpendicular to the length direction of the cover 120. It may be formed in a form that crosses the central part of the horizontal direction.

  At this time, according to the embodiment of the present invention, the LED 164 disposed in the lower portion of the frame 140 is spaced sufficiently from the light emitting direction of the LED 164, that is, the inner diameter surface of the lower direction side cover 120 of the LED 164 with reference to FIG. Can be separated by D.

  For example, the LEDs 164 may be arranged such that a distance D separated from the inner diameter surface of the light emitting direction side cover 120 is the radius of the cover 120.

  Here, the radius of the cover 120 does not mean an accurate numerical radius, but rather a distance corresponding to a rough radius. According to an embodiment of the present invention, the cover 120 has a cross-section. The LED 164 can be positioned at the center of the cross section of the cover 120 with reference to FIG.

  As a result, the distance between the cover 120 and the LED 164 is not sufficient when the LED lighting device 100 is turned on, and the appearance of traces of the arrangement of the LED 164 is visible on the appearance, or the uniformity of light is reduced due to the light emission of the LED 164 as a point light source It has the effect of preventing problems.

  On the other hand, in this specification, the “up”, “down”, and “lateral” directions indicated by the directions mean the vertical and horizontal directions with reference to FIGS. 3 and 4.

  Meanwhile, according to an embodiment of the present invention, the frame 140 may be made of a metal material.

  Accordingly, the frame 140 can receive heat generated by the LED module 160 that is supported and can be dispersed to the outside, so that it can perform a heat dissipation function.

  Meanwhile, according to an embodiment of the present invention, as shown in FIG. 4, the frame 140 may include a support part 142, a coupling part 146, and a connection part 144. The coupling part 146 and the connecting part 144 may all be formed integrally.

  The support part 142 is a part that supports the LED module 160 and the drive circuit module 180 and is located at the center of the frame 140 and may be formed in a plate shape.

  At this time, according to the embodiment of the present invention, the support part 142 may be disposed in the lateral direction with reference to a cross section perpendicular to the length direction of the frame 140.

  The coupling portion 146 is a portion that is coupled to the inner diameter surface of the cover 120 and is a portion that is formed with a protrusion 147 and is inserted and coupled to the inner diameter surface of the cover 120.

  At this time, according to the embodiment of the present invention, the coupling part 146 may be formed to extend in the vertical direction with reference to a cross section perpendicular to the length direction of the frame 140.

  The connecting portion 144 is a portion that connects the support portion 142 and the coupling portion 146, and according to an embodiment of the present invention, an inclination may be formed in the lower direction from the support portion 142 to the coupling portion 146.

  At this time, referring to FIG. 4, the connecting part 144 may be formed to connect the end of the support part 142 and the lower end of the coupling part 146.

  At this time, the inclined connecting portion 144 can reflect light emitted from the LED 164, thereby preventing light unevenness.

  As described above, the frame 140 may be formed not in a flat plate shape but in a shape that is inclined downward toward the both sides from the flat center and bent upward again at the end.

  This can prevent the frame 140 from drooping or deforming at the bottom while supporting a heavier weight than when the frame 140 is simply formed in a flat plate form. Since the volume can be minimized, a sufficient internal space of the cover 120 can be secured.

  Accordingly, the drive circuit module 180 can be supported on the frame 140 and disposed inside the cover 120.

  At this time, referring to FIG. 5, a guide plate 122 for supporting the upper end of the coupling portion 146 of the frame 140 may be formed on the inner diameter surface of the cover 120.

  Thereby, the guide plate 122 can guide the coupling of the frame 140 when the frame 140 is coupled, and can prevent the frame 140 from being detached from the coupling position.

  At this time, the guide plate 122 may be formed integrally with the cover 120.

  Meanwhile, according to the embodiment of the present invention, as shown in FIG. 5, the protrusion 147 formed on the coupling portion 146 of the frame 140 is inserted into the insertion groove 121 formed on the inner diameter surface of the cover 120. May be combined.

  At this time, the protrusion 147 and the insertion groove 121 may be formed in a form corresponding to each other, and may be formed in a form extending along the length direction of the cover 120 and the frame 140.

  Accordingly, when the frame 140 is slidingly inserted and coupled to the inner diameter surface of the cover 120, not only the coupling is facilitated but also the weight of the LED module 160 and the driving circuit module 180 supported by the frame 140 after the coupling is performed. Can be prevented from detaching from the coupling position, and the frame 140 may be firmly coupled to the internal space of the frame 140 without shaking.

  At this time, FIG. 5 shows only the case where the projection 147 and the insertion groove 121 are one, but the present invention is not limited to this, and by forming a plurality of projections 147 and the insertion groove 121, The frame 140 can be more firmly coupled.

  Meanwhile, according to another embodiment of the present invention, as shown in FIG. 6, the overall width of the frame 140 is formed larger than the inner diameter of the cover 120 by the protrusions 147 formed on the coupling portion 146 of the frame 140. May be.

  At this time, referring to FIG. 6, the cover 120 is pushed laterally by the protrusion 147, whereby the frame 140 can be firmly inserted and coupled to the inner diameter surface of the cover 120.

  In other words, the cover 120 is not a perfect rigid body and can be made of a synthetic resin having a slight elasticity so that a restoring force can be generated. Therefore, the frame 140 formed slightly larger than the inner diameter of the cover 120 is covered with the cover 120. When it is inserted and coupled to the inner diameter surface, a part of the shape of the cover 120 is deformed, and a restoring force is generated in the original shape.

  Thus, according to another embodiment of the present invention, the frame 140 can be firmly inserted and coupled to the inner diameter surface of the cover 120 without forming the insertion groove 121 (see FIG. 5) on the inner diameter surface of the cover 120. Can do.

  Meanwhile, according to another embodiment of the present invention, as shown in FIG. 7, the overall width of the frame 140 is larger than the inner diameter of the cover 120 by the protrusions 147 formed on the coupling portion 146 of the frame 140. The formed and protrusions 147 can include a plurality of sawtooth-shaped protrusions.

  For example, in the cross section in the direction perpendicular to the length direction of the frame 140, the sawtooth-shaped protrusion 147 is formed in the vertical direction, so that the frame 140 can be prevented from being detached from the coupling position.

  That is, as in the above-described embodiment, when the frame 140 formed slightly larger than the inner diameter of the cover 120 is inserted and coupled to the inner diameter surface of the cover 120, a part of the shape of the cover 120 is deformed and restored to the original shape. Force is generated.

  As a result, according to still another embodiment of the present invention in which the protrusion 147 is formed in a sawtooth shape, the frame 140 can be more firmly inserted and coupled to the inner diameter surface of the cover 120 than in the case of one protrusion 147.

  Meanwhile, the LED module 160 may be supported on the lower side surface of the frame 140 and the drive circuit module 180 may be supported on the upper side surface.

  Referring to FIG. 3, the LED module 160 may include a light emitting device LED 164 and a first substrate 162 on which the LED 164 is mounted.

  At this time, the first substrate 162 may be disposed in close contact with the lower surface of the frame 140.

  Thereby, in the case of the frame 140 made of a metal material, heat generated by the LED module 160 can be effectively released.

  At this time, as shown in FIG. 3, the first substrate 162 may be inserted and coupled to the lower surface of the frame 140.

  That is, referring to FIG. 4, since the end of the connecting portion 144 protrudes toward the support portion 142, a space where the first substrate 162 can be inserted and coupled can be formed on the lower surface of the frame 140. By inserting and coupling 162 to the above-described space, the LED module 160 can be easily coupled to the frame 140.

  On the other hand, a plurality of LEDs 164 may be arranged and arranged at uniform intervals on one surface, for example, the lower surface, of the first substrate 162 (see FIG. 8).

  Referring to FIG. 3, the driving circuit module 180 is configured to drive the LED module 160, and may include a circuit component 184, a second substrate 182, and an insulating sheet 186.

  The circuit component 184 is a component for supplying power to the LED module 160 after converting the power supplied from the outside into a form suitable for use in the LED module 160, and may be provided on the second substrate 182. .

  At this time, the circuit component 184 and the second substrate 182 may be made of a non-insulator.

  This is because the cover 120 is made of an insulator, so that it is possible to insulate the exterior, and the circuit efficiency can be improved as compared with the case where the circuit component 184 and the second substrate 182 are configured in an insulating type. It is also advantageous in terms of cost.

  In addition, since the drive circuit module 180 itself can be made lighter, thinner, and smaller, it can be easily arranged in a small space in the cover 120.

  At this time, the second substrate 182 on which the circuit component 184 is placed may be provided on the insulating sheet 186.

  Thereby, the lower surface of the second substrate 182 can be electrically insulated.

  Meanwhile, the insulating sheet 186 can be coupled to the upper surface of the frame 140, but according to an embodiment of the present invention, as shown in FIG. 3, for electrical insulation and effective heat dissipation, The second substrate 182 may be spaced apart from the frame 140.

FIG. 8 is a diagram showing an internal structure of the LED lighting device 100 according to the embodiment of the present invention.
FIG. 9 is a diagram showing a circuit diagram of the LED lighting device 100 according to the embodiment of the present invention.

  Referring to FIG. 8, the LED lighting apparatus 100 according to an embodiment of the present invention may include a metal pin 190 to electrically connect the LED module 160 and the driving circuit module 180.

  At this time, the metal pin 190 may include a (−) metal pin 191 and a (+) metal pin 192 to electrically connect the LED module 160 and the driving circuit module 180.

  Although FIG. 8 shows a pair of metal pins 190, the present invention is not limited to this.

  In addition, the metal pin 190 can mechanically connect the LED module 160 and the drive circuit module 180.

  For example, as shown in FIG. 8, the metal pins 190 are connected to each other between the first substrate 162 and the second substrate 182 that are spaced apart from each other. 180 can be mechanically coupled.

  At this time, the metal pin 190 may have a shape extending in the vertical direction, but the shape of the metal pin 190 is not limited thereto.

  On the other hand, referring to FIG. 9, the (−) metal pin 191 and the (+) metal pin 192 include a drive circuit module 180 that receives AC power from the outside via the connection terminal 54 (see FIG. 2), and a drive circuit. The LED module 160 that receives power from the module 180 and emits light to the outside can be electrically connected.

  As a result, in the conventional power exterior type illumination device, the drive circuit portion and the light source portion are connected using a cable, a harness connector, etc. The structure of the lighting device can be simplified by enabling electrical connection with only a simple metal pin 190 without connection of a simple cable or harness connector.

  As described above, the LED lighting device 100 according to the embodiment of the present invention is configured so that the frame 120 that supports the LED module 160 supports the drive circuit module 180 together. Can be realized.

  At this time, according to an embodiment of the present invention, the frame 140 is formed in a bent shape, and the protrusion 140 is formed in the coupling portion, so that the frame 140 can be slidingly inserted and coupled to the inner diameter surface of the cover 120. The frame 140 can be firmly fixed inside the cover 120.

  Thereby, the structure of the straight tube type LED lighting device can be simplified, the convenience of installation is improved, the cost is reduced, and there is an advantage in terms of economy.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to these embodiments, and various modifications may be made within the scope of the claims, the detailed description of the invention, and the attached drawings. Of course, this is also within the scope of the present invention.

50: side cap 51: first coupling member 52: second coupling member 54: connection terminal 55: sealing member 100: LED lighting device 120: cover 121: insertion groove 122: guide plate 140: frame 142: support portion 144: connection Part 146: Coupling part 147: Protrusion 148: Coupling hole 160: LED module 162: First substrate 164: LED
180: drive circuit module 182: second substrate 184: circuit component 186: insulating sheet 190: metal pin

Claims (17)

A hollow cylindrical form, formed so that both ends in the length direction are open, and a cover having translucency;
A frame that is formed in a form extending in a direction aligned with the length direction of the cover, and that is slidingly inserted and coupled to the inner diameter surface of the cover along the length direction of the cover so as to be located in the inner space of the cover;
An LED module that includes an LED that emits light and is supported on a lower surface of the frame;
A drive circuit module that drives the LED and is supported on an upper surface of the frame;
The LED illumination device according to claim 1, wherein the frame has protrusions formed at both ends coupled to the inner diameter surface of the cover. Seen from a cross section in a direction perpendicular to the length direction of the cover,
The frame is formed in a form that crosses a central portion of the internal space of the cover in a lateral direction,
2. The LED lighting device according to claim 1, wherein the LED is disposed so as to be separated from an inner diameter surface of a light emitting direction side cover of the LED by a radius of the cover. The frame is
The LED module and the drive circuit module are supported, and a support part formed in a plate form;
A coupling portion coupled to both sides of the inner diameter surface of the cover, wherein the protrusion is formed;
A connecting portion that connects the support portion and the coupling portion;
The LED lighting device according to claim 2, wherein the support part, the coupling part, and the connection part are integrally formed.   The LED lighting device according to claim 3, wherein the connection part is inclined downward from the support part to the coupling part. In a cross section in a direction perpendicular to the length direction of the frame,
The coupling portion is formed in a form extending in the vertical direction,
The LED lighting device according to claim 4, wherein the connection part is formed to connect an end part of the support part and a lower end of the coupling part.   The LED lighting device according to claim 5, wherein a guide plate is formed on an inner diameter surface of the cover so as to support an upper end of the coupling portion.   The LED lighting device according to claim 1, wherein the protrusion is inserted and coupled to an insertion groove formed on an inner diameter surface of the cover.   The LED lighting device according to claim 1, wherein the frame is formed larger than an inner diameter of the cover.   2. The LED lighting device according to claim 1, wherein the protrusion includes a plurality of sawtooth-shaped protrusions formed in a vertical direction in a cross section perpendicular to a length direction of the frame. The LED module
The LED lighting device according to claim 1, further comprising a first substrate on which a plurality of the LEDs are arranged and arranged at a uniform interval.   The LED lighting device of claim 10, wherein the first substrate is bonded to a lower surface of the frame. The drive circuit module is
An insulating sheet coupled to the upper side of the frame;
A second substrate coupled to the insulating sheet and spaced apart from the upper surface of the frame;
The LED lighting device according to claim 10, further comprising a circuit component provided on the second substrate. A metal pin connected between the first substrate and the second substrate located apart from each other and extending in a vertical direction;
The LED lighting device according to claim 12, wherein the LED module and the driving circuit module are electrically connected by the metal pin.   The LED lighting device of claim 1, further comprising a side cap coupled to both ends of the cover in the length direction. At one end of the side cap, a coupling member protruding in the inner direction of the cover is formed,
The coupling member is
A first coupling member inserted and coupled to the inner diameter surface of the cover;
The LED lighting device according to claim 14, further comprising a second coupling member coupled to an end of the frame.   The LED lighting device according to claim 14, further comprising a ring-shaped sealing member provided between the side cap and the cover.   The LED lighting device of claim 14, wherein a connection terminal electrically connected to the drive circuit module is formed at the other end of the side cap.

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