KR100981683B1 - Lighting apparatus using LED - Google Patents

Abstract

The present invention relates to an LED lighting device, and more particularly to an LED lighting device having an LED device for illumination.

The present invention provides a circuit board comprising at least one LED device and a power connection terminal for supplying power to the LED device; An LED module including a heat dissipation member coupled to a bottom surface of the circuit board; It includes a power module coupled to the LED module and the power supply terminal is installed to be electrically connected to the power connection terminal, the LED module and the power module is connected by a module coupling portion with the heat dissipation member therebetween, The module coupling unit discloses an LED lighting device, characterized in that the external air is formed to flow to the heat radiating member.

LED, Bulb, Lighting Fixture, Element

Description

LED lighting equipment {Lighting apparatus using LED}

The present invention relates to an LED lighting device, and more particularly to an LED lighting device having an LED device for illumination.

LED lighting equipment is a lighting fixture that uses LED elements, and has a long life and low power consumption as compared to fluorescent lamps and incandescent lamps, which are conventional lighting equipment, and is widely used as indoor lighting lamps and street lamps.

However, LED lighting equipment generates high heat during operation. When it is used as a lighting fixture, when heat radiation is not smooth, it shortens the life of the LED element or heat is transmitted to the rectifier and the ballast installed in the lighting fixture. There is a problem that causes or shorten the life.

SUMMARY OF THE INVENTION An object of the present invention is to provide an LED lighting device having a structure that can effectively dissipate heat generated from an LED device.

Another object of the present invention is to provide an LED lighting device having a structure capable of effectively dissipating heat generated from the LED element, as well as preventing heat from being transferred to other components such as a ballast.

Still another object of the present invention is to provide a LED lighting fixture that can increase the compatibility by replacing the power module according to the use and type by configuring the luminaire to be detachable from each other as a power supply module for the LED module and the power supply is installed LED device. There is.

The present invention was created in order to achieve the object of the present invention as described above, the present invention comprises a circuit board having at least one LED device and a power connection terminal for supplying power to the LED device; An LED module including a heat dissipation member coupled to a bottom surface of the circuit board; It includes a power module coupled to the LED module and the power supply terminal is installed to be electrically connected to the power connection terminal, the LED module and the power module is connected by a module coupling portion with the heat dissipation member therebetween, The module coupling unit discloses an LED lighting device, characterized in that the external air is formed to flow to the heat radiating member.

The LED module and the power module may be detachably coupled.

The LED module may have a material through which light emitted from the LED device may pass, and may include a cover member surrounding the LED device.

The cover member may be configured to have a transparent material, a translucent material or a material through which light scattering may be transmitted to eliminate glare of the light emitted from the LED device.

The module coupling part may extend from the power module and be coupled to the heat dissipation member or the cover member, or the module coupling part may be extended from the heat dissipation member or the cover member and coupled to the power module.

The module coupling portion may be composed of a cylinder in which a plurality of inlet holes are formed, or may be composed of a plurality of rods.

The LED module and the power module may be screwed together, fitted or screwed together.

The power module may be installed with a partition wall facing the heat dissipation member so that heat generated from the heat dissipation member does not flow into the power module, and the partition wall is formed integrally with the power module or is configured as a separate member. Can be.

The heat dissipation member has a terminal insertion hole into which the power supply terminal can be inserted, and the power supply terminal protrudes from the power module to be electrically connected to the power connection terminal when the power module is coupled with the LED module. Can be.

The heat dissipation member has a terminal insertion hole into which the power connection terminal can be inserted so that the power connection terminal protrudes to the outside, and the power connection terminal is the power supply terminal when the power module is coupled with the LED module. And may be electrically connected with.

At least one of a rectifier and a stabilizer for converting alternating current into direct current may be installed in the power module, and the power module may further include one or more communication holes through which the inside thereof may communicate with the outside.

The power module is provided with an external power connection terminal to receive power from an external power source, and the external power connection terminal may be configured to have a screw structure or a pin structure.

LED lighting apparatus according to the present invention has the advantage that can effectively radiate heat generated from the LED element by configuring so that the external air flows to the heat radiating member.

In addition, the LED lighting apparatus according to the present invention can effectively dissipate heat generated from the LED element by separating the LED module having the LED element and the heat dissipation member and the power module installed with the rectifier or ballast, as well as other components such as the rectifier or ballast. There is an advantage that can prevent the heat transfer to.

In addition, the LED lighting apparatus according to the present invention can increase the compatibility by replacing the power module according to the purpose and type by configuring the lighting fixture as an LED module with an LED element and a module detachable from each other as a power module for power supply. To provide LED lighting fixtures.

In particular, the LED lighting device according to the present invention has an advantage that can be utilized in various ways by replacing only the power module coupled with the LED module without replacing the whole when the connection portion for the connection to the external power source is changed.

In addition, the LED lighting device according to the present invention, the LED lighting device is composed of the LED module installed with the LED element, and the detachable module as a power module for supplying power to the lighting fixture, if there is a failure in any one module The module can replace only the power module having a relatively short lifespan, thereby reducing maintenance and repair costs.

Hereinafter, the LED lighting apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 3, the LED lighting device according to the present invention, the LED module 100 and the LED module 100 and the LED module 100 and the module coupling unit (110) is installed, the LED element 110 and the heat radiation member 140 is installed ( It is configured to include a power module 200 coupled by 300.

The LED module 100 includes a circuit board 130 provided with at least one LED device 110 and a power connection terminal 120 for supplying power to the LED device 110; It consists of one module including a heat dissipation member 140 coupled to the bottom of the circuit board 130.

The LED device 110 is a semiconductor device that generates light by power supply, and may generate monochromatic light of red, green, and blue, or may generate various colors using LED devices such as red, green, and blue. .

The type, number of installations, and arrangement pattern of the LED device 110 are determined in consideration of the use, function, etc. of the lighting fixture.

The circuit board 130 is a configuration in which the LED device 110 is installed by soldering or the like. In the PCB, various members such as FPCB and metal PCB may be used.

In addition, the circuit board 130 is provided with a power connection terminal 120 for supplying power to the LED element 110 to be connected to the power supply terminal 220 of the power module 200 to be described later.

The power connection terminal 120 can be configured in various ways according to the connection method with the power supply terminal 220, as shown in Figure 2, is connected to the circuit board 130 and penetrates the heat radiating member 140 It is composed of one or more connection pins 121 protruding to the bottom surface and inserted into the through hole 282 formed in the partition 280, or connected to the circuit board 130 and penetrates the heat radiating member 140 to the bottom surface It may be configured as a power connection line (not shown).

Here, the connection pin 121 is not connected to the power connection terminal 120, but is connected to the power supply terminal 220 and protrudes toward the heat dissipation member 140 to the terminal insertion hole 142 formed in the heat dissipation member 140. It may be inserted and connected to the power connection terminal 120.

In addition, the connection pin 121 may be connected to a power supply terminal 220 and a connection pin (not shown) projecting toward the heat dissipation member 140.

Meanwhile, the connection pin 121 is connected to the power connection terminal 120 or the power supply terminal 220 when the LED module 100 and the power module 200 are coupled to each other.

The heat dissipation member 140 is tightly coupled to the bottom surface of the circuit board 130 by a screw or a thermally conductive adhesive to dissipate heat generated from the LED device 110, and various configurations are possible.

The heat dissipation member 140 is made of a material having high thermal conductivity, such as aluminum, aluminum alloy, graphite, silicon, ceramic, in consideration of the heat dissipation characteristics, and a plurality of heat dissipation fins 141 are predetermined to increase heat dissipation efficiency on the side and bottom. It is preferably formed in a pattern.

The LED module 100 may have a material through which light emitted from the LED device 110 may transmit, and may further include a cover member 150 surrounding the LED device 110.

The cover member 150 covers the LED device 110 to protect the LED device 110 and the circuit board 130 and to transmit light emitted from the LED device 110 through glass, transparent plastic, and the like. This can be used.

In addition, the cover member 150 is a transparent material, as well as translucent or scattering light so as to scatter or alleviate the light generated from the LED device 110 in order to eliminate the glare from the light generated from the LED device 110 A member of a material that can be made can be used.

The cover member 150 may be coupled to the heat dissipation member 140 by a screw method or a fitting method, and may be sealed by a sealing material. In addition, the cover member 150 and the heat dissipation member 140 may be coupled by a screw, of course.

Meanwhile, the shape of the cover member 150 may have various shapes such as spherical shape, hemispherical shape, and cylinder according to the use of the lighting device.

The power module 200 is integrally or detachably coupled to each other by the LED module 100 and the module coupling part 300, the power supply terminal 220 is installed so as to be electrically connected to the power connection terminal 120. It is configured to supply power to the LED device 110. The power module 200 may have various configurations according to design and structure, and may be screwed with the LED module 100 or fitted with each other.

As an example of the power module 200, as shown in FIG. 2, an external power connection terminal 270 is installed to receive power from an external power source, and a rectifier for converting AC power into direct current and a power source therein. Ballasts can be installed for the stable supply of.

The rectifier for converting the AC power into direct current, a ballast for a stable supply of power, etc. may be configured by the power supply device 210, as shown in Figure 2, the power supply device 210 is a power module It may be supported and installed by the support plate 211 fixed to the power supply module 200 to be stably installed in the (200).

At this time, the power module 200 may be further formed with one or more communication holes 212 that can be communicated with the outside to cool the power supply device (210).

Meanwhile, in the power module 200, heat generated from the heat radiating member 140 may be transferred into the power module 200, which may cause a failure of the power supply device 210. The partition wall 280 may be installed at a portion facing the heat radiating member 140 so as not to be introduced.

The partition 280 may be integrally formed with the power module 200 or may be configured as a separate member.

In particular, the power supply module 200 may have an opening 281 formed therein for installation of the power supply device 210. The partition wall 280 may be integrally formed with the power supply module 200 to cover the opening 281. Or detachably coupled.

The external power connection terminal 270 is connected to an external power source to receive power and may be configured to have various structures such as a screw structure or a pin structure.

In particular, the external power connection terminal 270 may have the same structure as the external power connection terminal used in incandescent lamps, halogen straight pipe type, halogen pin type, PAR lamp type, etc. which are generally used to increase the utilization thereof.

Meanwhile, the external connection terminal 270 is electrically connected to the power supply device 210 by the power connection line 212.

The power module 200 is composed of a separate module from the LED module 100, the LED device 110 is installed, thereby changing the type and type of external power connection terminal 270 compatibility of the LED lighting apparatus according to the present invention To increase.

On the other hand, in the power module 200, the mounting jaw and the installation grooves may be formed so that the partition wall 280 and the power supply device 210 can be smoothly installed, and the partition wall 280 and the power supply device 210 are detachable. Possibly combined.

As shown in FIGS. 1 to 3, the module coupling part 300 includes the LED module 100 and the power module 200 as a heat dissipation member 140 so that external air flows to the heat dissipation member 140. Various configurations are possible as the configuration to be coupled in between.

As shown in FIGS. 1 to 3, the module coupling part 300 is formed to extend from the power module 200 to surround all of the bottom surfaces of the heat dissipation member 140 and a plurality of air into which the air can be introduced. Inlet hole 310 may be formed. In this case, the module coupling part 300 may be coupled to the heat dissipation member 140 or the cover member 150 by various methods such as screw coupling, fitting coupling, and screw coupling.

The module coupling part 300 may be formed in a cylindrical shape, as shown in FIGS. 1 to 3, or may be composed of a plurality of rods 311 as shown in FIG. 4.

Meanwhile, the module coupling part 300 may be extended from the cover member 150 or the heat dissipation member of the LED module 100 without being formed from the power module 200.

In addition, the module coupling part 300 may be a separate member, integrally coupled to the cover member 150 or the heat dissipation member of the LED module 100, the power module 200, or detachably coupled.

Although the preferred embodiments of the present invention have been described above by way of example, the scope of the present invention is not limited to these specific embodiments, and may be appropriately changed within the scope described in the claims.

1 is a perspective view showing an LED lighting device according to the present invention.

2 is a cross-sectional view of the LED lighting fixture of FIG.

3 is a cross-sectional view showing an exploded state of the LED lighting fixture of FIG.

4 is a perspective view showing another example of the LED lighting fixture of FIG.

***** Explanation of symbols for main parts of drawing *****

100; LED module

110: LED element 140: heat dissipation member

200: power supply module

300: module coupling part

Claims (15)

A circuit board provided with at least one LED element and a power connection terminal for supplying power to the LED element; An LED module including a heat dissipation member coupled to a bottom surface of the circuit board; And a power module coupled to the LED module and having a power supply terminal installed to be electrically connected to the power connection terminal. The LED module and the power module are connected by a module coupling part with the heat radiating member interposed therebetween, and the module coupling part is formed to allow external air to flow to the heat radiating member. The power module is provided with a partition wall facing the heat dissipation member so that heat generated from the heat dissipation member does not flow into the power module. The heat dissipation member is installed at intervals so as not to contact the partition wall, LED lighting device, characterized in that the LED module and the power module is detachably coupled. delete The method according to claim 1, The LED module has a material that can transmit the light emitted from the LED device, LED lighting device, characterized in that it comprises a cover member surrounding the LED device. The method according to claim 3, The cover member has a transparent material, a translucent material or LED lighting device, characterized in that having a material that can transmit light scattering in order to eliminate the glare of the light emitted by the LED element. The method according to claim 4, The module coupling unit extends from the power module and is LED lighting device, characterized in that coupled to the heat dissipation member or the cover member. The method according to claim 4, The module coupling unit is formed from the cover member and the LED lighting mechanism, characterized in that coupled to the power module. The method according to claim 1, The module coupling unit is composed of a cylinder formed with a plurality of inlet holes, LED lighting device, characterized in that consisting of a plurality of rods. The method according to claim 1, The LED module and the power module is a LED lighting device, characterized in that screwed, fitted or screwed together. delete The method according to claim 1, The partition wall is formed integrally with the power module, LED lighting mechanism, characterized in that a separate member. The method according to claim 1, The heat dissipation member is formed with a terminal insertion hole into which the power supply terminal can be inserted, The power supply terminal protrudes from the power module and the LED lighting device, characterized in that electrically connected to the power connection terminal when the power module is coupled with the LED module. The method according to claim 1, The heat dissipation member has a terminal insertion hole into which the power connection terminal can be inserted so that the power connection terminal can protrude to the outside, And the power connection terminal is electrically connected to the power supply terminal when the power module is coupled to the LED module. The method according to claim 1, LED lighting device, characterized in that at least any one of a rectifier and a ballast for converting the alternating current into direct current inside the power module. 14. The method of claim 13, The power module is an LED lighting device, characterized in that one or more communication holes that can be communicated with the outside thereof is formed further. The method according to claim 1, The power module is provided with an external power connection terminal to receive power from an external power source, The external power supply connection terminal LED lighting mechanism, characterized in that it has a screw structure or a pin structure.

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