KR101149881B1 - Led floodlight having excellent installation property - Google Patents

Abstract

PURPOSE: A light emitting diode-based light transmitting lamp with superior installing characteristic is provide to improve the heat emitting performance of a heat sink by combining a housing with an installing bracket. CONSTITUTION: A light emitting diode-based light transmitting lamp includes a light emitting part(400), a housing(200), a heat sink(300), a protective window(420), an installing bracket(100), and a current converting unit. The light emitting part is composed of a light source part and a printed circuit board(401). A plurality of light emitting diode elements(402) is arranged on the printed circuit board. The printed circuit board is installed in the housing based on a screw. The light emitting part is installed in the housing. The heat sink is installed at the upper side of the housing to extinct heat generated at the heat emitting part.

Description

LED Floodlight with Excellent Installability {LED FLOODLIGHT HAVING EXCELLENT INSTALLATION PROPERTY}

The present invention relates to an LED type lighting device, and more particularly, it is very convenient and stable to mount and remove the LED floodlight used for installation where a wide lighting range is required such as a harbor, an airport, a workplace, a construction site, and the like. It relates to an LED floodlight having excellent installability that can be carried out.

LED (LED) is used as a light source of various lighting fixtures, including home lighting, floodlights, etc. due to its long lifespan and high brightness with excellent power consumption efficiency.

Among the various lighting fixtures, LED floodlights, in particular, employ LED as a light source, and refer to a lighting fixture that is installed and used where a wide lighting range is required, such as a harbor, airport, workplace, construction site, and tunnel.

Since the LED floodlight has a wider lighting range than general lighting fixtures, the capacity of the LED module as a light source, as well as the weight and volume of the device and a large amount of heat are generated, and thus a higher heat dissipation performance is required.

By the way, in the prior art, by installing an additional heat dissipation member to increase the heat dissipation performance, not only the manufacturing cost is increased, but also the weight is heavy and the bulk is difficult to manage and the logistics cost increases.

In particular, the LED floodlight has a disadvantage that it is very difficult and inconvenient to proceed with the installation of the LED floodlight on a structure such as a column, a ceiling, or for maintenance by a worker alone due to the heavy weight and large volume.

For example, if an operator wants to remove (or install) an LED floodlight (ie, housing body) by himself, one hand must dismantle (or tighten) the bolt and nut while holding the housing body, which is very difficult. And even because it may cause a safety accident or damage to the device, such LED floodlight installation and removal work was generally carried out by at least two people put together, there was a problem that the work efficiency is reduced.

The present invention has been made to solve the above problems, the object of the present invention is to carry out the installation and removal operation of the LED floodlight very convenient and stable even with one worker alone, and also to install the housing bracket It is to provide an LED floodlight having excellent installation properties that can improve the heat dissipation performance of the heat sink just by coupling to the.

An LED floodlight having an excellent installation according to the present invention for achieving the above object comprises a housing for storing a printed circuit board (PCB) mounted with a plurality of LED (LED); A plurality of heat dissipation fins protruding on an upper surface of the housing and an installation bracket for fixing the housing to a structure such as a ceiling, wherein the installation bracket includes: a connecting rod in which the top plate and the pair of side plates are integrally connected; And a holder protruding from a lower end of the side plate, wherein at least two of the plurality of heat dissipation fins are formed to have a long axis in one longitudinal direction of the housing, the vertical plate being perpendicular to an upper surface of the housing; And a heat dissipation fin for mounting formed on a lower portion of the vertical plate along a longitudinal direction of the vertical plate and configured to be mounted and supported by the holder, wherein the housing is a mount of the heat dissipation fin for mounting of the mounting bracket. It is supported by the holder and the vertical plate of the heat dissipation fin for mounting is fastened to the side plate of the mounting bracket, characterized in that the installation is fixed to the place such as the ceiling.

According to the LED floodlight having excellent installation according to the present invention, at least two of the heat dissipation fins of the plurality of heat dissipation fins to perform the heat dissipation function is composed of a heat dissipation fin for mounting, the mounting heat dissipation fins sliding assembly, mounting on the holder provided in the mounting bracket And it is possible to support the installation work of heavy and large size LED floodlights as well as the removal work for maintenance by one person can be performed very easily and stably by one person, which has a remarkable effect that can greatly improve the work efficiency. .

In addition, there is a remarkable effect of improving the heat dissipation performance such as LED transmission only by combining the mounting bracket and the housing even if a separate heat dissipation fin is not further installed or the size of the heat dissipation fin is not increased to increase the heat dissipation performance.

In addition, the outer band is provided along the edge of the housing, there is an advantage that can prevent the occurrence of safety accidents or device damage by sliding or exiting the housing from the operator's hand during installation and removal of the LED floodlight.

1 is an exploded perspective view of an LED floodlight having excellent installability according to the present invention.
FIG. 2 is an enlarged view of a portion 'A' of FIG. 1; FIG.
3 is another configuration example of the installation bracket according to the present invention.
Figure 4 is another embodiment of the heat dissipation fin for mounting according to the present invention.
5 is a combined perspective view of the LED floodlight having excellent installation of the present invention.
Figure 6 is a partial cross-sectional view showing a state in which the mounting bracket of the heat dissipation fin for mounting on the holder of the mounting bracket according to the present invention.

The present invention relates to an LED type lighting device, and more particularly, to install and remove LED floodlights used in a place requiring a wide lighting range, such as a harbor, airport, workplace, construction site, etc., very conveniently and stably. Further, the present invention relates to an LED floodlight having excellent installation property which can improve the heat dissipation performance of the heat sink simply by coupling the housing to the installation bracket.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment, advantages and features of the present invention. Prior to the description, the term "LED floodlight" used in the present invention is a general LED floodlight, including a relatively heavy weight LED light, for example, a wide range of LED lights, such as LED street light, LED tunnel light, LED security light Note that it is used in the sense.

1 is an exploded perspective view of an LED floodlight having excellent installation according to the present invention, Figure 2 is a partially enlarged view of the 'A' region of Figure 1, Figure 3 is another configuration example of the mounting bracket of the present invention 4 is another embodiment of the heat dissipation fin for mounting of the present invention.

1 and 2, the LED floodlight having excellent installation of the present invention is the light emitting unit 400, the housing 200, the heat sink 300, the protective window 420, the mounting bracket 100 and It is configured to include a current converter 450.

The light emitting unit 400 is installed to be accommodated in the housing 200 and is configured to illuminate the LED light to the outside, and includes a light source and a printed circuit board 401. The light source includes an LED element emitting LED light when a predetermined voltage is applied, and the printed circuit board 401 includes a metal on which a connection circuit pattern for electrical connection of the LED element 402 is formed; For example, it is composed of Aluminum) PCB (Printed Circuit Board).

On the other hand, the LED element 402 is equipped with a variety of lenses (for example, polarized lenses, dispersion lenses, etc.) to spread the light emitted according to the purpose or to configure the configuration to increase the lighting efficiency to a specific range desirable.

A plurality of LED elements 402 are arrayed and connected on the printed circuit board 401 of FIG. 1, and the printed circuit board 401 on which the plurality of LED elements 402 are mounted is connected to the housing 200 by screwing. ) It is configured to be fixed inside the installation.

The housing 200 is a component for mounting and fixing the light emitting unit 400. The light emitting unit 400 is installed and fixed inside the housing 200, and is generated in the light emitting unit 400 on the upper surface of the housing 200. The heat sink 300 for dissipating the heat is provided, and the lower surface of the housing 200 is open.

On the other hand, the housing 200 is preferably further provided with a reflecting plate for reflecting the front light to the back light emitted from the light emitting unit 400 to the front.

The LED floodlight of the present invention is configured such that the current converter 450 is installed on the outside (that is, the mounting bracket) so that the housing 200 can be manufactured in a flat rectangular parallelepiped shape as in the embodiment of FIG. 1.

A protective window 420 is coupled to the open lower surface of the housing 200 to transmit the LED light emitted from the light emitting unit 400 to the outside, and prevents foreign foreign substances or water from entering the housing 200.

The protective window 420 may be firmly coupled to the housing 200 using the fixing bar 430. That is, seating the edge of the protective plate on the stepped jaw formed along the inner circumference of the housing 200, and the fixing rod 430 is placed thereon and closes the open lower surface of the housing 200 through the fastening means such as screw pieces It can be bonded closely.

The protective window 420 is formed of a transparent or translucent plastic or glass material so as to transmit light, and of course, can be manufactured in various forms such as flat or curved surface.

On the other hand, when the protective plate is installed, it is preferable to configure the rubber gasket 410 having the same shape as the protective plate (ie, rectangular) between the housing 200 and the protective plate to prevent external moisture from seeping into the housing 200. Do.

In addition, a connector hole is formed at one side of the upper surface of the housing 200, and the connector hole is mounted in the connector hole, and current supplied from the outside is transferred to the light emitting unit 400 stored in the housing 200 through the connector. It could be.

Meanwhile, in order to prevent the LED element 402 from being damaged when excessive current is supplied to the light emitting unit 400, a driver for controlling a current input to the light emitting unit 400 between the connector and the light emitting unit 400. It is preferable to further provide.

The heat sink 300 is a component that cools the light emitting unit 400 by absorbing heat generated from the light emitting unit 400 inside the housing 200 and rapidly dissipating it to the outside, on the upper surface of the housing 200. It is provided.

The heat sink 300 is composed of a plurality of heat dissipation fins (305, 310), the heat dissipation fins may be configured in a variety of known forms, such as fin shape to plate shape. For reference, in the heat sink 300 of FIG. 1, plate-shaped heat dissipation fins 305 and 310 are formed to protrude on the upper surface of the housing 200, and a plurality of heat dissipation fins are spaced apart from each other and arranged side by side.

In particular, the heat sink 300 of the present invention is composed of a plurality of heat dissipation fins formed on the upper surface of the housing 200, at least two of the plurality of heat dissipation fins is characterized in that the heat dissipation fins 310 for mounting described below. .

Prior to the detailed description of the mounting heat dissipation fin 310 will be described first with respect to the installation bracket 100 of the present invention.

The mounting bracket 100 is a component for installing and fixing the housing 200 to a structure such as a pillar and a ceiling, and is configured to be fastened to the heat dissipation fin 310 for mounting, in particular, without a separate fastening means. Characterized in that configured to support the stable.

The mounting bracket 100 according to the preferred embodiment of FIG. 1 includes a connecting rod in which the upper plate 110 and the pair of side plates 120 are integrally formed, and a holder 130 protruding from the lower end of the side plate 120. It is composed.

The upper plate 110 is a plate member coupled to a structure such as a pillar, a ceiling, and the like through a fastening means such as a screw piece.

Side plate 120 is a plate-like member integrally provided on the side plate 120 to protrude downward of the top plate 110, the side plate 120 of FIG. 1 is a top plate 110 of the left and right sides of the top plate 110, respectively Although configured in the form bent vertically to), the detailed structure of the side plate 120 can be formed in a variety of course.

For example, as shown in FIG. 3, the side plate is formed of the upper side plate 122 and the lower side plate 121, and the upper side plate 122 and the lower side plate 121 are coupled to the shaft bolt 123, and the upper side plate 122 By forming the long groove-shaped slide groove 124, the lower side plate 121 may be configured to be able to rotate about the shaft bolt 123 within a predetermined angle range (that is, the slide groove range). When configured as described above may enable the rotation operation of the housing 200 mounted to the installation bracket 100 can provide an advantage that the user can illuminate the LED light to the desired position.

On the other hand, the side plate 120 is detachably coupled with the mounting heat dissipation fin 310, Figure 1 embodiment was configured to enable the removable coupling of the side plate 120 and the mounting heat dissipation fin 310 through bolting, Accordingly, at least one bolt hole 140 is formed through the side plate 120.

As described above, the side plates 120, which may be formed in various structures and shapes, are provided in pairs to be integrally connected to the left and right sides of the upper plate 110, thereby forming a connection table.

Holder 130 is formed to protrude to the lower end of the side plate 120 to support the heat dissipation fin 310 for mounting, holder 130 according to the preferred embodiment of Figure 1 is the lower end of the side plate 120 Formed by bending the inside of the connecting rod side plate 120 and the holder 130 was configured to form a 'b' shape as a whole. For reference, the holder 130 may be formed by bending the lower end of the side plate 120 as a whole, as shown in FIG. 1, but the holder 130 may be configured by bending only a portion of the lower end of the side plate 120.

LED floodlight of the present invention is characterized in that at least two of the plurality of heat dissipation fins constituting the heat sink 300 is configured with a heat dissipation fin 310 for mounting, this mounting heat dissipation fin 310 is heat like a conventional heat dissipation fin Corresponding to the component that cools the light emitting unit 400 by emitting the light, in particular, it is configured to have the following structural characteristics, providing a mounting function with a heat dissipation function, and further combined with the installation bracket 100 It also provides the advantage of further increasing the heat dissipation performance.

Mounting heat dissipation fin 310 is integrally formed on the upper surface of the housing 200, in detail composed of a vertical plate 320 and the cradle 330.

Vertical plate 320 is a component provided perpendicular to the upper surface of the housing 200, the vertical plate 320 according to the preferred embodiment of Figure 1 is a plate made to have a long axis in the longitudinal length direction of the rectangular parallelepiped housing 200 It consists of a sieve, the plate body is provided perpendicular to the upper surface of the housing 200.

The vertical plate 320 is detachably coupled to the side plate, the vertical plate 320 of the embodiment 1 through the fastening hole 340 formed in a position corresponding to the bolt hole 140 of the side plate through bolting The side plate and the mounting heat dissipation fin 310 was configured to be removable. Therefore, the vertical plate 320 is firmly coupled to the side plate by simultaneously passing the bolt 150 and the bolt hole 140 of the side plate and the fastening hole 340 of the vertical plate 320 and tightening the nut.

The cradle 330 is provided at the lower portion of the vertical plate 320 to be engaged with the mounting bracket holder 130 and is provided to support the housing 200. The upper end is integrally connected to the lower portion of the vertical plate 320. The lower end portion is formed to be bonded and fixed on the upper surface of the housing 200.

The cradle 330 according to the preferred embodiment of Figure 1 is configured as a rail structure having a slide groove of the '' 'cross-sectional shape, the rail is in the longitudinal direction of the longitudinal axis of the vertical plate 320 in the lower portion of the vertical plate 320 It is integrally formed along the opening of the slide groove of the rail is configured to face the outside of the housing 200.

However, such a cradle 330 is not limited to the form described and illustrated in FIG. That is, if the structure is capable of supporting the housing 200 by being seated on the holder 130 of the installation bracket 100 can be modified in various ways.

For example, as shown in Fig. 4, the holder 335, which has a stepped cross section 336, has a stepped 336, such as the heat dissipation fin 315 of the embodiment of the present invention, which is integrally formed along the long axis of the lower part of the vertical plate 325. The lower surface of the stepped jaw 336 may be formed on the upper surface of the holder 130 and may be configured to support the housing 200 by being engaged.

On the other hand, a pair of mounting heat dissipation fins 310 are spaced apart in parallel to each other, one mounting heat dissipation fins 310 are provided on the leftmost side of the housing 200, the other mounting heat dissipation fins 310 is a housing Provided at the rightmost side of the 200, it is preferable that a plurality of heat dissipation fins 305 for only a heat dissipation function is provided in the space between the pair of mounting heat dissipation fins 310.

The current conversion device 450 converts, rectifies, and supplies the power (for example, AC 220V home power) input from the outside through a power line to a voltage suitable for driving the light emitting unit 400 so that the LED element 402 emits light. As a mechanism for enabling this, preferably a switched-mode power supply (SMPS) can be employed.

Such a current conversion device 450 is preferably configured to be mounted to the mounting bracket (100). That is, as shown in FIG. 1, the fixing plate 160 may be further integrally formed on the upper plate 110 of the installation bracket 100, and the current converting apparatus 450 may be coupled and fixed to the fixing plate 160.

As a method of installing the current converter 450, at least one of various known fastening means, such as bolting or rivet fastening, may be selected and applied. Preferably, the current converter 450 may be easily repaired after failure of the current converter 450. It is preferable to employ a detachable fastening means so that it can be replaced.

Figure 5 is a combined perspective view of the LED floodlight having an excellent installation of the present invention, Figure 6 is a partial cross-sectional view showing a state in which the mounting bracket of the heat dissipation fin for mounting to the holder of the mounting bracket according to the present invention.

Hereinafter, the installation process of the LED floodlight and the detachment process of the housing 200 of the present invention will be described in detail with reference to FIGS. 5 and 6.

When the LED floodlight of the present invention is to be installed in a structure such as a pillar or a ceiling, an operator first fixes and secures the upper plate 110 of the installation bracket 100 to the structure through a fastening means such as a screw piece.

When the installation fixing of the mounting bracket 100 is completed, the next slide groove of the end side of the holder 330 of the heat dissipation fin 310 for mounting is provided on the upper surface of the housing 200 while holding the edge of the housing 200. After inserting the holders 130 of the pair of mounting brackets 100, the housing 200 is pushed in one direction.

After completing the above process, the pair of holders 330 are slidably assembled to the pair of holders 130, respectively, so that the housing 200 remains supported by the mounting bracket 100 even if the operator does not support the housing 200. Thus, the worker is in a state in which both hands that hold the housing 200 can be freely used.

Therefore, the worker can complete the solid installation of the LED floodlight by simply bolting the vertical plate 320 of the housing 200 to the side plate of the installation bracket 100 by using both free hands.

In addition, when maintenance is required due to a failure of an LED floodlight, the housing 200 is easily removed from the installation bracket 100 through the reverse order of the above-described installation work, so that a worker may receive a floodlight component (for example, an LED element or a PC). Boards, connectors, etc.) can be repaired or replaced very conveniently.

As a result, the LED floodlight of the present invention comprises at least two heat dissipation fins of the plurality of heat dissipation fins for performing a heat dissipation function as the heat dissipation fins 310 for mounting, and the mounting heat dissipation fins 310 are provided in the holder (mounted on the installation bracket 100). 130) Sliding assembly, seating, and support to configure the heavy and large size LED floodlight, as well as the removal work for maintenance can be performed by one person very easily and stably, greatly improving the work efficiency It has an excellent effect.

On the other hand, the mounting bracket 100 of the present invention, at least the side plate is made of a metal material with high rigidity and excellent thermal conductivity, and the heat dissipation fin 310 for mounting is made of aluminum material as in the other heat dissipation fins.

In addition, the LED floodlight of the present invention is such that the vertical plate 320 of the heat dissipation fin 310 for mounting is fastened to the side plate of the installation bracket 100 so that the housing 200 can be finally fixed to the installation bracket 100. Preferably, one side of each side of the side plate and the vertical plate 320 are formed so as to face each other and the one side of the vertical plate 320 and the side plate to be opposed to each other are formed in a plane, respectively the side plate and vertical plate 320 When bolting is fastened to one side of the vertical plate 320 may be configured to achieve a close state in close contact with one side of the side plate.

This is because the heat dissipation performance of the heat sink 300 can be improved only by coupling the housing 200 of the present invention to the installation bracket 100 by the above configuration. That is, the heat dissipation fin 310 configured to perform the heat dissipation function and the mounting function at the same time is closely connected to the metal mounting bracket side plate, thereby realizing the effect of increasing the heat dissipation area, and thus, the mounting bracket 100 ) It is also possible to exert the heat dissipation effect for heat dissipation, even if you do not install a separate heat dissipation fin or increase the size of the heat dissipation fin to increase the heat dissipation performance, only through the combination of the mounting bracket 100 and the housing 200 LED transmission, etc. It has an excellent effect of improving heat dissipation performance.

As described above, the LED floodlight having the excellent installation of the present invention can improve the installation and heat dissipation at the same time through the mounting structure and the detailed technical features using the mounting bracket 100 and the heat sink 300.

On the other hand, LED floodlight according to the invention is characterized in that it is configured to further include an outer belt 440.

1 and 5, the outer strip 440 is a member attached to at least the outer periphery of the housing 200 to which the transparent window is coupled, and the outer strip 440 is a material having a high coefficient of friction to prevent slipping. It is preferably formed with a material (for example, rubber or stretchable synthetic resin, etc.) that also has elasticity to attach and remove the outer strip 440 to the housing 200.

As described above, the housing 200 of the present invention further includes an outer belt 440 coated along the rim so that the housing 200 slips or slips away from the worker's hand when the operator installs and fixes the housing 200. Device damage can be prevented from occurring, foreign matters or water can be prevented from flowing into the housing 200, and when an impact is applied to the housing 200, it provides an advantage that can be absorbed and mitigated. .

While the preferred embodiments of the present invention have been described and illustrated above using specific terms, such terms are used only for the purpose of clarifying the invention, and it is to be understood that the embodiment It will be obvious that various changes and modifications can be made without departing from the spirit and scope of the invention. Such modified embodiments should not be understood individually from the spirit and scope of the present invention, but should be regarded as being within the scope of the claims of the present invention.

100: mounting bracket 110: top plate
120: side plate 130: holder
140: bolt hole 150: bolt
160: fixed plate 200: housing
300: heat sink 305: heat sink fin
310,315 mounting heat fin 320,325 vertical plate
330,335: holder 340: fastener
400: light emitting unit 410: rubber gasket
420: protective window 430: fixing rod
440: outer band 450: current converter

Claims (7)

A housing for storing a printed circuit board (PCB) in which a plurality of LED elements are mounted; A plurality of heat sink fins for heat dissipation; An installation bracket for fixing the housing to a structure such as a ceiling; And a current converter for supplying power to the LED element.
The mounting bracket,
Plate-shaped top plate;
A pair of side plates integrally formed in the left and right portions of the upper plate in a structure bent vertically downward of the upper plate;
A holder formed in a 'b' shape by bending the lower end of the side plate inward; And
Consists of a fixed plate integrally formed in a structure bent in the downward direction of the upper plate in one horizontal edge portion of the upper plate,
At least two of the plurality of heat sink fins,
A vertical plate formed to have a long axis in a longitudinal direction of one side of the housing and perpendicular to an outer surface of an upper surface of the housing; And
Is a heat dissipation fin for mounting consisting of; a cradle which is integrally formed with a rail structure having a slide groove of the cross-section '''along the longitudinal direction of the longitudinal axis of the vertical plate and slidingly coupled to the holder;
The housing is supported by a holder of the mounting bracket, the vertical plate is fastened to the side plate of the mounting bracket is fixed to the installation place, such as the ceiling,
The remaining heat dissipation fins of the plurality of heat dissipation fins except for the heat dissipation fins are provided to protrude perpendicularly to the outer surface of the upper surface of the housing to be completely exposed to the outside.
The cradle is formed of a structure in which the bottom surface of the 'c' cross section is spaced apart from the upper surface of the housing,
The current converter is mounted on the mounting bracket by being coupled to the fixing plate LED floodlight having excellent installation properties.
delete The method according to claim 1,
At least one bolt hole is formed through the side plate,
The vertical plate has a fastening hole formed in a position corresponding to the bolt hole of the side plate, the vertical plate is LED floodlight having excellent installation properties, characterized in that configured to be bolted to the side plate.
The method according to claim 1,
One side of the vertical plate and one side of the side plate are each formed in a plane,
LED bolts having excellent installation properties, characterized in that the one side of the vertical plate is in close contact with one side of the side plate when bolting the vertical plate to the side plate.
The method according to claim 1,
The pair of mounting heat dissipation fins are spaced apart in parallel to each other, one mounting heat dissipation fins are provided on the leftmost side of the housing, the other mounting heat dissipation fins are characterized in that provided on the rightmost side of the housing LED floodlight with installability.
The method according to claim 1,
LED floodlight having excellent installation properties, characterized in that it is configured to be wrapped around at least the outer periphery of the housing, and further comprises an outer belt made of a rubber or synthetic resin material.
delete

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