WO2012134079A2

WO2012134079A2 - Led lamp

Info

Publication number: WO2012134079A2
Application number: PCT/KR2012/001839
Authority: WO
Inventors: 정현택
Original assignee: (주)파인테크닉스
Priority date: 2011-03-25
Filing date: 2012-03-14
Publication date: 2012-10-04
Also published as: WO2012134079A3; KR101195745B1; KR20120108662A

Abstract

The present invention relates to an LED lamp. The LED lamp includes: i) a heat-dissipation housing on the inner and outer surfaces of which a plurality of heat-sink fins are disposed, wherein the heat-dissipation housing has a cylindrical shape; ii) a plurality of main LED units radially mounted on the outer surface of the heat-dissipation housing and emitting light using LEDs; iii) a lamp base coupled to one end of the heat-dissipation housing via the main LED units, wherein the lamp base is to be electrically connected to the socket of a lighting fixture; iv) a lamp cap coupled to the other end of the heat-dissipation housing via the main LED units; and v) a cooling fan provided on the lamp cap so as to expel the heat within the heat-dissipation housing to the outside using cooled air.

Description

LED lamp

An exemplary embodiment of the present invention relates to an LED lamp, and more particularly to an LED lamp to be installed in the socket of the lighting facility.

In general, LED lamps are spotlighted in terms of low life, high heat generation, and short lifespan in incandescent and fluorescent lamps, which have long life, high illumination, and low power consumption. Recently, it has been developed and used in many fields.

However, since the LED lamp is turned on by the DC voltage, it is essentially provided with a power supply unit for supplying a driving voltage by converting an input AC voltage into a DC voltage, and such a power supply unit, along with the LED being lit in the process of converting the voltage It generates some heat.

Therefore, the LED lamp is a main cause of shortening the life of the power supply and the LED heat, it is provided with a heat dissipation unit in order to prevent the life of the LED due to this heat.

That is, Figure 1 shows an exploded perspective view of a conventional LED lamp, the conventional LED lamp is provided with a lamp base 111 at the bottom, the housing having a heat dissipation fin (112) to heat dissipation by extending the heat generating area on the outer wall ( 113 is provided.

In addition, the inside of the housing 113 is provided with a power supply unit 114 for converting the supplied AC voltage into a DC voltage and an LED 115 mounted on the heat sink, the LED (115) The reflector 116 and the lens 117 which reflect the light of 115 are comprised.

In addition, the lens 117 is coupled to the housing 113 by using the fastening cap 118, the outer side of the heat radiation fin 112 is molded with an insulator 119.

However, the conventional LED lamp has a light source that emits light from the LED 115 by combining the LED 115, the reflector 116, and the lens 117 in a row with respect to the lamp base 111 in the housing 113. By the housing 113 is emitted only in the axial front.

Therefore, the prior art has a disadvantage that the light emitting angle (that is, defined as the angle of the light emitted from the LED emitted from the light emitting surface of the LED substrate) is limited to the range of about 50 degrees to 90 degrees, and thus the room, kitchen and living room In addition to indoor lighting, there is a limit to use in a lighting position in which the lateral socket is configured, such as bathroom lighting or wall lighting.

In addition, the conventional LED lamp is only heat dissipated through the housing 113 having the heat dissipation fins 112, so that if a high temperature is instantaneously generated there is a risk of explosion.

Exemplary embodiments of the present invention have been created to improve the above problems, and can ensure light emission performance in multiple directions, and more effectively dissipate heat generated from power circuit components and LEDs. Provide LED lamps.

LED lamp according to an exemplary embodiment of the present invention, i) is made of a cylindrical shape, the heat dissipation housing is formed on the inner and outer circumferential surface, ii) radially mounted on the outer circumferential surface of the heat dissipation housing A plurality of main LED units emitting light, iii) a lamp base coupled to one end side of the heat dissipation housing through the main LED units, and electrically connected to a socket of a lighting facility, and iv) the main LED unit And a lamp cap coupled to the other end side of the heat dissipation housing, and v) a cooling fan configured at the lamp cap side to discharge heat inside the heat dissipation housing to the outside as cooling air.

The LED lamp may further include a sub-LED unit mounted between the other end of the heat dissipation housing and the other end of the heat dissipation housing and emitting LED light through the lamp cap.

In the LED lamp, the cooling fan may be mounted to the sub LED unit, and the lamp cap may include a plurality of air suction holes corresponding to the cooling fan.

In addition, in the LED lamp, the lamp base has a plurality of heat dissipation holes connected to the inside of the heat dissipation housing and screwed to the base body and the base body coupled to one end side of the heat dissipation housing, The electrical connection member may be electrically connected to the socket.

In the LED lamp, a power circuit board on which a plurality of circuit elements are mounted may be installed in the heat dissipation housing.

In the LED lamp, the power circuit board may be mounted to a pair of first mounting protrusions integrally protruding from an inner circumferential surface of the heat dissipation housing.

In the LED lamp, the first mounting protrusions may be formed as the heat dissipation fins.

In the LED lamp, the first mounting protrusion may face each other on the inner circumferential surface of the heat dissipation housing and may be elongated along a length direction of the heat dissipation housing.

Further, in the LED lamp, the first mounting protrusion may be formed with a substrate fitting groove that can be coupled to both edges of the power circuit board.

In addition, in the LED lamp, the outer peripheral surface of the heat dissipation housing, the installation surface on which the main LED unit can be mounted is formed spaced apart at regular intervals along the circumferential direction, the heat dissipation fins are formed between the installation surface Can be.

In the LED lamp, the main LED unit is bonded to the installation surface of the heat dissipation housing along a longitudinal direction of the heat dissipation housing and a first LED substrate having a plurality of LEDs installed on the front surface, and the first LED substrate The cover may be coupled to an outer circumferential surface of the heat dissipation housing, and may include a cover member that may be fastened to the lamp base and the lamp cap, respectively.

In addition, in the LED lamp, the first LED substrate may be adhesively installed on the mounting surface by a first adhesive tape having thermal conductivity.

In addition, in the LED lamp, the rear surface of the cover member may be integrally formed along the longitudinal direction of the fitting projection of the circular cross section on both side portions thereof.

In the LED lamp, second mounting protrusions may be formed on both sides of the mounting surface to which the fitting protrusions may be coupled.

In the LED lamp, the second mounting protrusion may have a cover fitting groove in which the fitting protrusion may be inserted, and may be formed as the heat dissipation fin.

In addition, in the LED lamp, the sub LED unit may include a second LED substrate is bonded to the other end of the heat dissipation housing, the plurality of LEDs are provided in a circular direction on the surface corresponding to the lamp cap. have.

In addition, in the LED lamp, the cooling fan may be fastened to the second LED substrate through a bolt, and a connection hole may be formed at the center to be interconnected with the air inlet of the cooling fan.

In addition, in the LED lamp, the second LED substrate may be adhesively installed at the other end of the heat dissipation housing by a second adhesive tape having thermal conductivity.

In the LED lamp, first and second coupling parts may be formed in the lamp base to which one end of the first LED substrate and one end of the cover member may be coupled, respectively.

In the LED lamp, the lamp cap may be provided with a third coupling part to which the other end of the cover member is coupled.

In the LED lamp, a binding protrusion may be integrally formed at one end and the other end of the cover member.

In addition, in the LED lamp, the second and third coupling portion is formed with a support protrusion for supporting one end and the other end of the cover member, a binding hole to which the binding protrusion of the cover member is formed is formed. Can be.

In the LED lamp, at least two safety rings to which wires may be connected may be formed in the base body of the lamp base.

According to the exemplary embodiment of the present invention as described above, since the main LED units are radially formed on the outer circumferential surface of the cylindrical heat dissipation housing, and the sub LED unit is formed at one end of the heat dissipation housing, It is possible to secure the light emission performance in various directions regardless of the location.

In addition, in the present embodiment, the heat generated from the power circuit components and the LED is radiated to the outside through the cylindrical heat dissipation housing, and the heat of the abnormal high temperature generated in the inner space of the heat dissipation housing is quickly discharged to the outside through the cooling fan. It is possible to further improve the heat dissipation performance of the lamp, and to reduce the risk of explosion due to high heat instantaneously.

1 is an exploded perspective view of an LED lamp according to the prior art.

2 is an assembled perspective view of the LED lamp according to an exemplary embodiment of the present invention.

3 is an exploded perspective view of an LED lamp according to an exemplary embodiment of the present invention.

4 is a front configuration diagram of FIG. 2.

5 is a cross-sectional view taken along the line A-A of FIG.

6 is a plan view of FIG. 2.

7A and 7B are exploded perspective views illustrating a coupling structure of a lamp base and a lamp cap applied to an LED lamp according to an exemplary embodiment of the present invention.

8 is a diagram illustrating an installation example of an LED lamp according to an exemplary embodiment of the present invention.

10 ... heat dissipation housing 11 ... heat dissipation fins

13 ... Mounting surface 17 ... 2nd mounting projection

19 ... Cover mounting groove 20 ... Power circuit board

21 ... circuitry 23 ... first mounting projection

25 ... board mounting groove 30 ... main LED unit

31 ...

1st LED board

32, 42 ... LED

33 ... First adhesive tape 35 ... Cover member

37 ... fitting projection 38 ... mating edge

39 ... binding protrusion 40 ... sub LED unit

41 ... 2nd LED board 44 ... Mounting groove

46. Connecting hole 48 ... Second adhesive tape

50 ... cooling fan 51 ... air inlet

60 ... Lamp Base 61 ... Base Body

62 ... First section 63 ... Heat dissipation hole

64 ... spiral joint 65 ... electrical connection

67 ... spiral cell 69 ... eyelet

70 ... Lamp Cap 72 ... Second Section

74 ... Air intake hole 76 ... Guide projection

78 ... safety loop 81 ... first coupling

83 ... 2nd engagement part 85 ... engagement rail

87 ... 3rd engagement part 91a ... 1st support protrusion

91b ... 2nd supporting protrusion 93a ... 1st binding hole

93b ... 2nd fastening hole B ... bolt

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and like reference numerals designate like elements throughout the specification.

In the drawings, the thickness of layers, films, panels, regions, etc., are exaggerated for clarity. In the drawings, the thicknesses of layers and regions are exaggerated for clarity. When a portion of a layer, film, region, plate, or the like is said to be "on" or "on" another portion, this includes not only when the other portion is "right over" but also when there is another portion in the middle.

In addition, since the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, the present invention is not necessarily limited to the illustrated.

In the following detailed description, the names of the components are divided into first, second, and the like in order to distinguish them because the names of the components are the same and are not necessarily limited thereto.

2 is an assembled perspective view of the LED lamp according to an exemplary embodiment of the present invention, Figure 3 is an exploded perspective view of Figure 2, Figure 4 is a front configuration diagram of FIG.

Referring to the drawings, the LED lamp 100 according to an exemplary embodiment of the present invention can be applied to indoor lighting facilities, such as bathroom lighting system or wall lighting system, room or kitchen and living room.

Here, the LED lamp 100 is electrically connected to a transverse or longitudinal socket (not shown) of the lighting facility and may emit monochromatic light of a predetermined wavelength band by an electrical signal.

In the present specification, the following various components will be described with reference to the LED lamp 100 when viewed in an up-down direction (vertical direction) as shown in FIG. 2.

However, the definition of such a direction may be different from that seen when the LED lamp 100 is arranged in a left-right direction (horizontal direction), and thus the reference direction is not necessarily limited to the reference direction of the present embodiment.

The LED lamp 100 according to the present embodiment can secure the luminous performance in the axial direction and all directions at various locations regardless of the installation position of the lighting facility, and effectively radiates heat generated from the power circuit components and the LED It is made of structure that can

To this end, the LED lamp 100 according to an exemplary embodiment of the present invention, basically, the heat dissipation housing 10, the power circuit board 20, the main LED unit 30, the sub LED unit 40, the cooling fan 50, the lamp base 60, and the lamp cap 70 are configured to be described.

In this embodiment, the heat dissipation housing 10 is for dissipating heat generated from the entire LED lamp 100 to the outside, preferably made of aluminum material, it may be made of a cylindrical shape of a predetermined length.

The heat dissipation housing 10 is formed with a plurality of heat dissipation fins 11 for heat dissipation, the heat dissipation fins 11 along the longitudinal direction (up and down direction in the drawing) on the outer and inner circumferential surface of the heat dissipation housing 10; It is integrally formed to protrude.

Here, the outer circumferential surface of the heat dissipation housing 10 is formed with a plurality of installation surfaces 13 on which the main LED unit 30 to be described later will be mounted.

In the drawings, seven installation surfaces 13 are formed on the outer circumferential surface of the heat dissipation housing 10. However, in the present invention, the number of installation surfaces 13 may vary according to the size and use of the lamp. The installation surfaces 13 are not limited to a specific number.

The installation surfaces 13 are formed to be spaced apart at regular intervals along the circumferential direction of the heat dissipation housing 10, the lower portion (hereinafter referred to as “one end”) in the longitudinal direction of the heat dissipation housing 10 based on the drawing. It is formed from the end to the upper end (hereinafter referred to as "other end") end, made of a rectangular groove shape on the outer peripheral surface of the heat dissipation housing (10).

In this case, the heat dissipation fins 11 are formed between the installation surfaces 13 on the outer circumferential surface of the heat dissipation housing 10, and the heat dissipation fins 11 at the corresponding positions of the installation surface 13 on the inner circumferential surface of the heat dissipation housing 10. Is formed.

That is, as shown in the drawing, the heat dissipation fins 11 may not be formed at positions corresponding to the heat dissipation fins 11 on the outer circumferential surface side of the inner circumferential surface of the heat dissipation housing 10.

In the present embodiment, the power circuit board 20, as shown in Figures 3 and 4, the main LED unit 30, the sub-LED unit 40, the cooling fan 50, and the lamp base (described further below) 60) as a control board to which an electrical (control) signal can be applied.

The power circuit board 20 is electrically connected to the above components, and a plurality of circuit elements 21 that are power circuit components, for example, a voltage conversion element for changing an AC voltage into a DC voltage and a heat sink are installed. A transistor or the like is mounted (mounted).

Here, the power circuit board 20 is installed on the inner side of the heat dissipation housing 10 as shown in FIG. 5, for this purpose, a pair capable of mounting the power circuit board 20 on the inner circumferential surface of the heat dissipation housing 10. Of the first mounting projections 23 are integrally formed to protrude.

The first mounting protrusions 23 face each other on the inner circumferential surface of the heat dissipation housing 10 and are formed long along the length direction (up and down direction in the drawing) of the heat dissipation housing 10, and both sides of the power circuit board 20. The edge of the substrate is fitted in the longitudinal direction of the heat dissipation housing 10 is formed with a substrate fitting groove 25 that can be coupled.

In this case, since the first mounting protrusion 23 is formed to protrude integrally on the inner circumferential surface of the heat dissipation housing 10, the first mounting protrusion 23 is formed as a heat dissipation fin 11 as described above, and heats in addition to the mounting function of the power circuit board 20. It will also function to emit.

In the present embodiment, the main LED unit 30 emits LED light in all directions from the outer circumferential surface side of the heat dissipation housing 10, and radially on the outer circumferential surface of the heat dissipation housing 10 as shown in the above-described drawings. Can be mounted.

The main LED unit 30 includes a first LED substrate 31 and a cover member 35, and the first LED substrate 31 receives the LED light by receiving an electrical signal from the power circuit board 20. To diverge.

The first LED substrate 31 is made of a rectangular substrate corresponding to the installation surface 13 of the heat dissipation housing 10, the front surface of the plurality of LEDs 32 in at least one row in the longitudinal direction (Fig. Are mounted side by side.

Here, the first LED substrate 31 is attached to each installation surface 13 of the heat dissipation housing 10 along the longitudinal direction of the heat dissipation housing 10, the back surface of which is the first adhesive tape 33 It can be adhered to the installation surface 13 through.

In this case, the first adhesive tape 33 may withstand heat generated from the LEDs 32 of the first LED substrate 31, and may be a heat conductive material that can easily transfer the heat to the heat dissipation housing 10. For example, it is preferable that it consists of a silicon material.

In the above, the cover member 35 is for dispersing and diffusing the light emitted from the LEDs 32 of the first LED substrate 31, the first LED substrate 31 along the longitudinal direction of the heat dissipation housing 10. Covering the front of the) and coupled to the outer circumferential surface of the heat dissipation housing 10, may be fastened to the lamp base 60 and the lamp cap 70, which will be described later.

That is, the cover member 35 may be coupled to both side portions in the longitudinal direction to the outer peripheral surface of the heat dissipation housing 10, and both ends as the upper and lower ends may be coupled to the lamp base 60 and the lamp cap 70.

To this end, the cover member 35 may be integrally formed with a fitting projection 37 having a circular cross section at both side portions of the rear surface thereof, and the coupling end 38 may be extended at both ends (upper and lower ends). Can be.

The fitting protrusion 37 is a portion that is fitted and coupled to the outer peripheral surface of the heat dissipation housing 10, the coupling end 38 is made of a thickness relatively smaller than the thickness between the both ends and the lamp base 60 and the lamp cap 70 ) Shows the part to be fastened.

In order to couple the fitting protrusion 37 to the outer circumferential surface of the heat dissipation housing 10, the second mounting protrusion 17 is provided on the outer circumferential surface of the heat dissipation housing 10, as shown in FIG. 5, on both sides of the edge of each mounting surface 13. ) Is formed.

The second mounting protrusion 17 is the fitting protrusion 37 is coupled in the longitudinal direction, the second mounting protrusion 17 is fitted with a fitting protrusion 37 is fitted with a cover fitting groove 19 that can be coupled Is formed.

Since the second mounting protrusion 17 is formed to protrude integrally on the outer circumferential surface of the heat dissipation housing 10, the second mounting protrusion 17 is formed as a heat dissipation fin 11 as described above, and functions to dissipate heat in addition to the mounting function of the cover member 35. Will also do.

Here, the cover member 35 as described above is preferably made of a transparent acrylic material for dispersing and diffusing the light emitted from the LEDs 32 of the first LED substrate 31, but may also be made of a polycarbonate material And injection molding is preferably transparent or translucent.

In the present embodiment, the sub LED unit 40 emits the LED light in the axial direction (upward direction in the drawing) of the heat dissipation housing 10, as shown in the above-described drawings of the heat dissipation housing 10 It can be mounted on the other end (upper part).

That is, the sub LED unit 40 is mounted on the upper portion of the heat dissipation housing 10 between the upper portion of the heat dissipation housing 10 and the lamp cap 70 described later, and the LED light through the lamp cap 70. To emit light.

The sub LED unit 40 includes a second LED substrate 41, and the second LED substrate 41 receives an electrical signal from the power circuit board 20 to emit the LED light.

The second LED substrate 41 has a circular shape corresponding to the other end of the heat dissipation housing 10, and a plurality of LEDs 42 are arranged on the front surface thereof (upper surface corresponding to the lamp cap in the drawing). It is mounted along the arc direction.

Here, although the overall shape of the second LED substrate 41 has a circular shape, the main LED unit 30 is installed at the edge portion thereof to install the main LED units 30 described above in the heat dissipation housing 10. The mounting groove 44 is formed at a position corresponding to).

In addition, a connection hole 46 that is a mounting hole for installing the cooling fan 50, which will be described later, is formed in a central portion of the second LED substrate 41.

In this case, the second LED substrate 41 is adhesively installed at the other end of the heat dissipation housing 10, and its rear surface (lower surface in the drawing) is attached to the other end of the heat dissipation housing 10 through the second adhesive tape 48. It can be glued to the end.

Similar to the first adhesive tape 33 mentioned above, the second adhesive tape 48 can withstand the heat generated by the LEDs 42 of the second LED substrate 41, and the heat is applied to the heat dissipation housing ( It is preferably made of a thermally conductive material, such as a silicon material, which can be easily transferred to 10).

In the present embodiment, the cooling fan 50 blows (supplies) cooling air into the heat dissipation housing 10 to supply circuit elements 21, the main LED unit 30, and the sub of the power circuit board 20. It is for dissipating heat generated from the

LEDs

32 and 42 of the LED unit 40 to the outside.

That is, in the present embodiment, the heat generated from the heat generating component of the LED lamp is radiated to the outside through the heat dissipation housing 10, and the heat of the abnormal high temperature generated in the inner space of the heat dissipation housing 10 is cooled by the cooling fan 50. By quickly discharging to outside, the heat dissipation performance of the lamp can be further improved.

The cooling fan 50 is a fan operated by receiving an electrical signal from the power circuit board 20, and is applied to the second LED substrate 41 of the sub LED unit 40 on the side of the lamp cap 70 to be described later. Is mounted.

The cooling fan 50 may be fastened to the edge side of the connection hole 46 through the bolt B at the bottom surface of the second LED substrate 41.

Here, the cooling fan 50 forms an air inlet 51 through which outside air can be introduced, and the air inlet 51 is connected to the connection hole 46 of the second LED substrate 41. Are interconnected.

Since the cooling fan 50 is formed as a blower fan having a conventional structure in which heat generating parts such as electronic devices are cooled as cooling air, a detailed description thereof will be omitted herein.

In the present embodiment, the lamp base 60 is for installing the lamp in the socket (not shown) of the lighting facility for supplying power, and is configured to be electrically connected to the socket.

The lamp base 60 is coupled to one end (lower end) side of the heat dissipation housing 10 through the main LED units 30, and is fastened to the base main body 61 and the base main body 61. And an electrical connection member 65.

The base body 61 may be coupled to one end of the heat dissipation housing 10 through the first LED substrate 31 of the main LED units 30.

The edge portion of the base body 61 is coupled to one end (lower end) of the first LED substrate 31 of the main LED units 30, and one end (lower end) of the cover member 35 may be coupled. First sections 62, which may be formed, protrude along the circumferential direction.

The coupling structure of the base body 61 and the main LED units 30 of the lamp base 60 will be described in more detail later with reference to FIGS. 7A and 7B.

Here, the base body 61 is formed with a plurality of heat dissipation holes 63 connected to the inner space of the heat dissipation housing 10 inside the edge portion.

The heat dissipation holes 63 are for discharging cooling air that is blown from the cooling fan 50 and cooled the heat in the heat dissipation housing 10, and are slot-shaped toward the center portion from the edge of the base body 61. Is done.

The spiral coupling portion 64 is integrally formed on the lower surface of the base main body 61.

The electrical connection member 65 is electrically connected to a socket (not shown) of the lighting system, and is screwed to the helical coupling portion 64 of the base body 61.

In this case, the electrical connecting member 65 is provided with a spiral cell 67 electrically connected to a power terminal inside the socket and an eyelet 69 at the tip of the cell 67.

In the present embodiment, the lamp cap 70 covers the sub LED unit 40 mentioned above, and emits the LED light of the sub LED unit 40 in the axial direction of the heat dissipation housing 10.

The lamp cap 70 is coupled to the other end (upper end) side of the heat dissipation housing 10 through the main LED units 30, and the main LED units 30 are covered with the sub LED unit 40. It may be coupled to the other end of the heat dissipation housing 10 through the first LED substrate 31 of the).

Here, second sections 72, which may be coupled to the other end (upper portion) of the first LED substrate 31 of the main LED units 30, may be formed at the edge portion of the lamp cap 70 along the circumferential direction. Is formed to protrude.

The coupling structure of the lamp cap 70 and the main LED units 30 will be described later in more detail with reference to FIGS. 7A and 7B.

In the central portion of the lamp cap 70 is formed a plurality of air intake holes 74 are interconnected with the air inlet 51 of the cooling fan 50 mentioned above, such an air intake hole ( 74 is in the shape of a curved slot (see FIG. 6).

The lamp cap 70 is preferably made of a transparent acrylic material to disperse and diffuse light emitted from the LEDs 42 of the sub LED unit 40, but may also be made of a polycarbonate material, or It is preferred to be injection molded translucent.

Meanwhile, the lamp base 60 is coupled to one end side of the heat dissipation housing 10 by the main LED units 30, so that each first section 62 of the base body 61 is shown in FIGS. 7A and 7B. As shown in FIG. 7B, a first coupling part 81 to which one end of the first LED substrate 31 of the main LED units 30 may be coupled, and a lower coupling end 38 as one end of the cover member 35 may be used. The second coupling portion 83 which can be coupled is formed.

Here, the first coupling part 81 includes a coupling rail 85 to which one end of the first LED substrate 31 is fitted.

In addition, the lamp cap 70 is coupled to the other end side of the heat dissipation housing 10 by the main LED units 30, so that each second of the lamp cap 70 as shown in Figure 7a and 7b The section 72 is formed with a third coupling portion 87 to which the upper coupling end 38 can be coupled as the other end of the cover member 35 of the main LED units 30.

On the other hand, the upper and lower coupling ends of the cover member 35 to couple one end of the cover member 35 to the second coupling portion 83 and the other end to the third coupling portion 87. 38, the binding protrusion 39 is formed integrally protruding.

In addition, a first support protrusion 91a for supporting the lower coupling end 38 of the cover member 35 protrudes from the second coupling part 83, and the binding protrusion of the coupling end 38 is formed. A first binding hole 93a through which the 39 can be coupled is formed through the first section 62.

The third coupling part 87 is formed to protrude a second support protrusion 91b for supporting the upper coupling end 38 of the cover member 35, and the binding protrusion 39 of the coupling end 38. The second binding hole 93b through which the second coupling hole 93b can be coupled is formed through the second section 72.

Reference numeral 76 not described in FIG. 7B denotes guide projections formed in the thickness direction of the lamp cap 70 on the inner side surface between the second section 72 and the second section 72 in the lamp cap 70.

The guide protrusion 76 is fitted between the heat dissipation fin 11 on the other end side of the lamp cap 70 when the lamp cap 70 is coupled to the other end side of the heat dissipation housing 10, and supports the lamp cap 70. Done.

Hereinafter, the assembling process and operation of the LED lamp 100 according to an exemplary embodiment of the present invention configured as described above will be described in detail.

Looking at the assembly process of the LED lamp 100 according to an exemplary embodiment of the present invention, first, in this embodiment, the power circuit board 20 is installed inside the heat dissipation housing 10, the first mounting projection 23 The edges of both sides of the power circuit board 20 are inserted into the board fitting groove 25 in the longitudinal direction and are coupled thereto.

Subsequently, in the present embodiment, the first LED substrate 31 of the main LED unit 30 is bonded to the installation surface 13 along the circumferential direction of the heat dissipation housing 10 using the first adhesive tape 33.

At this time, one end (lower end) of the first LED substrate 31 is disposed to protrude outside the one end (lower end) of the heat dissipation housing 10.

Thereafter, in the present embodiment, the cover member 35 of the main LED unit 30 covers the first LED substrate 31 and is coupled to the outer circumferential surface of the heat dissipation housing 10. In the second mounting protrusion 17, the fitting protrusion 37 of the cover member 35 is fitted to the cover fitting groove 19 of the protrusion 17 in the lengthwise direction.

Here, one end (lower end) and the other end (upper end) of the cover member 35 are disposed to protrude outward from one end (lower end) and the other end (lower end) of the heat dissipation housing 10.

After the above process, in the present embodiment, the cooling fan 50 is fastened as the bolt B to the second LED substrate 41 of the sub LED unit 40. Here, the air inlet 51 of the cooling fan 50 is arranged to be connected to the connection hole 46 of the second LED substrate 41 and fastening the cooling fan 50 to the second LED substrate 41. do.

Then, the second LED substrate 41 is bonded to the other end (upper end) of the heat dissipation housing 10 using the second adhesive tape 48.

Subsequently, in the present embodiment, the base body 61 of the lamp base 60 is coupled to one end side of the heat dissipation housing 10, but the first coupling portion of the first section 62 in the base body 61 is coupled. One end of the first LED substrate 31 is coupled to the 81, and the lower coupling end 38 of each cover member 35 is fitted on the side of the first support protrusion 91a of the second coupling portion 83.

Then, the binding protrusion 39 formed at the lower coupling end 38 of the cover member 35 is attached to the first binding hole 93a of the first section 62 while the base body 61 of the lamp base 60 is attached. ) May be coupled to the first LED substrate 31 and the cover member 35 of the main LED unit 30.

Subsequently, the electrical connecting member 65 is screwed to the spiral coupling portion 64 of the base body 61.

In the process as described above, the first LED substrate 31 of the main LED unit 30, the second LED substrate 41 of the sub LED unit 40, the cooling fan 50, the lamp base 60 It will be obvious that the electrical connection member 65 of) is electrically connected to the power circuit board 20 through an electrical element.

On the other hand, in this embodiment, the lamp cap 70 is coupled to the other end side of the heat dissipation housing 10, the second support of the third coupling portion 87 of the second section 72 in the lamp cap 70 The upper coupling end 38 of each cover member 35 is fitted on the side of the protrusion 91b.

Then, as the binding protrusion 39 formed at the upper coupling end 38 of the cover member 35 is attached to the second binding hole 93b of the second section 72, the lamp cap 70 is connected to the main LED unit ( 30 may be coupled to the cover member 35.

Here, the air intake holes 74 of the lamp cap 70 are connected to the air inlet 51 of the cooling fan 50. Then, the guide projection 76 of the lamp cap 70 is fitted between the other end side of the heat dissipation fin 11 of the heat dissipation housing 10 is coupled.

In this case, the lamp cap 70 has a heat dissipation housing 10 such that the groove portion between the second section 72 and the groove portion between the first section 62 in the lamp base 60 coincide with each other from above and below. ) Is coupled to the other end side. The heat dissipation fins 11 are disposed along the longitudinal direction of the heat dissipation housing 10 between the lamp base 60 and the recessed portion of the lamp cap 70.

Therefore, the LED lamp 100 according to an exemplary embodiment of the present invention is assembled through a series of processes as described above, this process is not necessarily limited to the present invention, in consideration of the convenience and efficiency of the assembly operation The assembly process described above may be changed.

In this embodiment, the assembled LED lamp 100 is installed in a socket (not shown) of an indoor lighting system such as a bathroom lighting system, a wall lighting system, a room, a kitchen, a living room, or the like.

Then, the LEDs 32 of the main LED units 30 emit LED light in all directions along the circumferential direction of the heat dissipation housing 10 through the cover member 35, and the LEDs of the sub LED units 40 are used. The fields 42 emit LED light in the axial direction of the heat dissipation housing 10 through the lamp cap 70.

Therefore, in the present embodiment, since the main LED units 30 are radially formed on the outer circumferential surface of the cylindrical heat dissipation housing 10, and the sub LED unit 40 is formed at one end of the heat dissipation housing 10, the illumination Regardless of the installation location of the facility, it is possible to secure the luminous performance in various directions at various places.

Here, the cooling fan 50 is operated by receiving power from the power circuit board 20, and sucks external cooling air as the air inlet 51 through the air intake hole 74 of the lamp cap 70. The cooling air is blown to the inner space of the heat dissipation housing 10 and discharged to the outside through the heat dissipation hole 63 of the lamp base 60.

Meanwhile, in the present embodiment, the

LEDs

32 and 42 of the main LED units 30 and the sub LED unit 40 emit LED light, and thus, the power circuit board 20 and the LEDs 32 are used. In 42, heat is generated, and most of the heat is dissipated to the outside through the heat dissipation fins 11 of the heat dissipation housing 10.

In the present embodiment, since the heat dissipation fins 11 are disposed along the longitudinal direction of the heat dissipation housing 10 between the lamp base 60 and the recessed portion of the lamp cap 70, the heat dissipation fins 11 are disposed through the heat dissipation fins 11. Heat dissipated may be transmitted along the longitudinal direction of the heat dissipation housing 10 and may be discharged through the recessed portions of the lamp base 60 and the lamp cap 70.

However, when abnormal temperature is generated in the inner space of the heat dissipation housing 10, in the present embodiment, the cooling fan 50 blows cooling air to the inner space of the heat dissipation housing 10, and Since it is discharged to the outside through the heat dissipation hole 63, it is possible to further improve the heat dissipation performance of the entire lamp, and further it is possible to reduce the risk of explosion due to high heat instantaneously.

On the other hand, the LED lamp 100 according to an exemplary embodiment of the present invention may be installed in the longitudinal direction to the socket (not shown in the figure) of the ceiling lighting facility as an example, as shown in FIG.

In this case, the lamp 100 may fall down from the socket due to an external factor due to an earthquake or impact, and in this embodiment, at least two or more safety rings on the base body 61 of the lamp base 60 to prevent this. (78) is formed.

The safety ring 78 is formed to protrude integrally on the upper surface of the base body 61 with reference to the drawings, it is formed facing each other as two. Here, the safety ring 78 may be connected to the wire (W) fixed to the ceiling.

Therefore, in the present embodiment, in the state in which the LED lamp 100 is installed in the socket (not shown) of the ceiling lighting system in the longitudinal direction, even if an external force such as an earthquake or impact acts on the LED lamp 100, the wire W ) Is connected to the lamp base 60 and fixed to the ceiling, it is possible to prevent the lamp 100 from being separated from the socket or falling to the floor by external force.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it belongs to the scope of the invention.

Claims

A heat dissipation housing having a cylindrical shape and having a plurality of heat dissipation fins formed on the inner and outer circumferential surfaces thereof;

A plurality of main LED units radially mounted on an outer circumferential surface of the heat dissipation housing and emitting LED light;

A lamp base coupled to one end side of the heat dissipation housing through the main LED units and electrically connected to a socket of a lighting facility;

A lamp cap coupled to the other end side of the heat dissipation housing through the main LED units; And

A cooling fan configured at the lamp cap side to discharge heat inside the heat dissipation housing to the outside as cooling air;

LED lamp comprising a.
According to claim 1,

A sub-LED unit mounted on the other end of the heat dissipation housing between the other end of the heat dissipation housing and the lamp cap and emitting LED light through the lamp cap;

LED lamp further comprising a.
The method of claim 2,

The cooling fan is mounted to the sub LED unit, the lamp cap LED lamps are formed with a plurality of air intake holes corresponding to the cooling fan.
According to claim 1,

The lamp base is,

A base body having a plurality of heat dissipation holes connected to the inside of the heat dissipation housing and coupled to one end of the heat dissipation housing;

An electrical connection member screwed to the base body and electrically connectable to the socket;

LED lamp comprising a.
According to claim 1,

Inside the heat dissipation housing is installed a power circuit board mounted with a plurality of circuit elements,

The power circuit board is mounted to a pair of first mounting protrusions integrally protruding from the inner circumferential surface of the heat dissipation housing,

LED lamps, wherein the first mounting projections are formed as the heat radiation fins.
The method of claim 5,

The first mounting protrusion is formed in the longitudinal direction of the heat dissipation housing and face each other on the inner peripheral surface of the heat dissipation housing,

LED lamps are formed in the first mounting projection is formed with a substrate fitting groove that can be coupled to both edges of the power circuit board.
According to claim 1,

On the outer circumferential surface of the heat dissipation housing,

LED lamps in which the installation surface on which the main LED unit can be mounted are spaced at regular intervals along the circumferential direction, and the heat dissipation fins are formed between the installation surfaces.
The method of claim 7, wherein

The main LED unit,

A first LED substrate adhered to an installation surface of the heat dissipation housing along a length direction of the heat dissipation housing, and having a plurality of LEDs installed on a front surface thereof;

A cover member covering the first LED substrate and coupled to an outer circumferential surface of the heat dissipation housing and may be fastened to the lamp base and the lamp cap, respectively.

LED lamp comprising a.
The method of claim 8,

And the first LED substrate is adhesively installed on the installation surface by a first adhesive tape having thermal conductivity.
The method of claim 8,

The rear surface of the cover member is integrally formed along the longitudinal direction of the fitting projection of the circular cross section on both side portions thereof,

On both sides of the installation surface there is formed a second mounting projection to which the fitting projection can be coupled,

The second mounting projection LED lamp is formed with a cover fitting groove in which the fitting projection can be inserted and made as the heat radiation fin.
The method of claim 2,

The sub LED unit,

A second LED substrate adhered to the other end of the heat dissipation housing and having a plurality of LEDs installed in a circular arc direction on a surface corresponding to the lamp cap;

LED lamp comprising a.
The method of claim 11, wherein

In the second LED substrate,

The cooling fan is fastened through the bolt, the LED lamp has a connection hole formed in the center interconnected with the air inlet of the cooling fan.
The method of claim 11, wherein

And the second LED substrate is adhesively installed on the other end of the heat dissipation housing by a second adhesive tape having thermal conductivity.
The method of claim 8,

The lamp base is provided with first and second coupling parts to which one end of the first LED substrate and one end of the cover member are coupled, respectively.

LED lamps are formed in the lamp cap has a third coupling portion that can be coupled to the other end of the cover member.
The method of claim 14,

One end and the other end of the cover member is integrally formed with a binding protrusion,

LED lamps are formed in the second and third coupling parts to support the one end and the other end of the cover member, and a binding hole to which the binding protrusions of the cover member are coupled.
The method of claim 4, wherein

LED lamp is formed in the base body of the lamp base at least two or more safety rings that can be connected to the wire.