KR101621802B1

KR101621802B1 - Waterproof type LED Flood Lighting

Info

Publication number: KR101621802B1
Application number: KR1020150128686A
Authority: KR
Inventors: 박재덕
Original assignee: 주식회사 디에스이
Priority date: 2015-09-11
Filing date: 2015-09-11
Publication date: 2016-05-19

Abstract

The present invention relates to an LED waterproof type floodlight and the like in which a body is constituted by an inflow hole protruding in the direction of an integral upper part in the center of the main body and formed in an upper portion and formed with closed projections on the upper outer surface of the water- A waterproof pillar comprising a watertight packing left; A watertight packing formed in the left side of the watertight packing and composed of a plurality of protrusions formed in a closed shape and having a cross section in the shape of 'c' and a small semicircular cross section on the upper surface; And a wiring board connected to the upper portion of the main body to closely contact with the watertight packing and connected to the inflow hole; The protrusion of the watertight packing is inserted into the concave groove of the watertight packing to be inserted into the watertight packing so that the watertight packing is prevented from coming off and the bottom surface of the converter attitude body is pressed against the watertight packing The airtightness of the converter housing and the waterproof strut is improved by the protrusion being close to the bottom of the converter housing and the O-ring is inserted into the ring-shaped groove to prevent the O- And the like.

Description

Waterproof type LED Flood Lighting

More specifically, the present invention relates to an LED waterproof type floodlight, and more particularly, to a waterproof sealing type waterproof type floodlight which comprises a watertight packing consisting of protrusions and watertight packing consisting of a watertight packing and sealing the airtight space between the converter housing and the body, And an LED waterproof type light transmission in which a hermetic packing is coupled to seal airtight between the converter seat and the converter seat, and an O-ring is inserted into the ring-shaped recess to seal air between the body and the diffusion cover.

As the technology related to light emitting diodes (LEDs) rapidly developed, white LEDs emitting white light by using blue LEDs and phosphors appeared. Such white LEDs are extremely small in size compared to conventional light sources, It is an environmentally friendly illumination light source that does not use mercury and discharge gas and is a promising alternative to existing illumination light sources because it has low power, has a long life span, does not emit harmful waves such as ultraviolet rays, and does not use mercury and discharge gas.

Recently, as the era of low carbon green growth has come, international green environment movement has been developed. In line with these international trends, the Korean government has established a 5-year green growth plan and actively supports it.

Of these low-carbon, green growth sectors, LEDs are in the spotlight as products that meet the trend of low-carbon green growth due to high conversion efficiency of light, low mercury consumption and low carbon dioxide emission.

The LED is a light source for various security equipment, a light source for sterilization or disinfection, a flood light, a lighting fixture, a building decoration, a mood, a vehicle, a traffic light, a factory, a street light, an indoor and outdoor electric signboard, And so on.

In general, the LED floodlight is installed indoors or outdoors, and the desired brightness is used for lighting various exhibits and structures including buildings, fountains, installation sculptures and merchandise shelves.

The floodlight is a luminaire that gathers light and shines in a certain direction. It is used for lighting industrial floodlights that illuminate buildings and workplaces, lighting for illuminating buildings and trees such as cultural properties to improve the scenery through color rendering, cars, trains, And a searchlight for finding objects not seen at night.

When a conventional floodlight or the like is used as a floodlight or the like using the LED,

Korean Patent No. 10-1089797 An LED light source with improved heat dissipation structure (December 07, 2011) has a hollow space formed therein; A fixing plate fixed to a front surface of the case and having a plurality of through holes at regular intervals; The fixing member is inserted into the through holes of the fixing plate from the back face to the front face so as to protrude from the front surface of the fixing plate, and a hollow portion is formed inside the fixing plate. A front fixture having a rear end fastening portion coupled to a front end fastening portion of each of the rear fasteners and having at least one LED element mounted therein; And a controller electrically connected to the LED elements mounted on the front fixture through electric wires extending through the inner hollow portion of the rear fixing member and connected to the power source to supply electric power to the LED elements, The case includes a second fusing plate in which a plurality of through holes are formed at regular intervals on a back surface of a fusing plate having a plurality of through holes arranged at regular intervals, and a cooling liquid The cooling liquid pipe is connected to the cooling liquid pump so that the cooling liquid is circulated to dissipate heat through the fixing plate and the second fixing plate. However, since the LED element is exposed to the outside of the case, To the inside of the case to directly contact the heat sink in a forced ventilation manner so that the LED element and case are not waterproof There is a problem that it can not be used outdoors.

The LED light emitter (June 08, 2012) comprises a top SMPS cover which is hollow and has a lower end open, a lower SMPS cover which closes the open bottom end of the upper SMPS cover, A cover, an upper case, and a lower case, the case having an inner vapor chamber, an inner case for receiving heat generated from the lower heat sink, a heat radiating from the outer circumference of the inner case, Two or more heat dissipation bridges whose top surfaces are coupled to the bottom surface of the lower SMPS cover and whose lower end surfaces are fixedly coupled to the upper surface of the lower heat sink, and heat transmitted from the heat dissipation bridge in a state of being mounted on the side ends of the respective heat dissipation bridges. A heat sink for air cooling or a leakage between the lower heat sink and the inner case, There is a problem that it can not be used outdoors.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a waterproof seal which is formed by a watertight seal and a groove, Tightness between the converter seat and the main body is improved by forming the semicircular protrusion on the upper surface of the watertight packing, and the airtight packing formed by the airtight packing and the 'T' The airtightness between the converter seat and the converter seat cover is improved and the O-ring is inserted into the ring-shaped groove to prevent the O-ring from being separated from the O-ring. And an airtight seal between the main body and the diffusion cover.

The present invention relates to an LED waterproof type floodlight and the like in which a main body is constituted by a waterproof pillar which is formed integrally with the main body at an upper portion thereof in the upper direction and has an inflow hole penetrating the upper side thereof, ; A watertight packing positioned on the left side of the watertight packing; And a wiring hole which is connected to the upper portion of the main body and is in tight contact with the watertight packing and communicated with the inflow hole.

Further, the present invention is characterized in that the watertight packing seats are formed of closed projections on the upper outer surface of the waterproof strut; The watertight packing is constructed as a closed type and has a cross section in a 'C' shape.

Further, the present invention is characterized in that the converter housing has a plate-shaped converter housing portion coupled to the upper portion of the main body and a plurality of through portions formed on the inner surface of the converter housing portion or integrally protruding from the outer surface thereof, And a converter seat cover in which an inner space is formed and an insertion portion including a bolt insertion hole coupled to an upper portion of the converter seat and corresponding to an outer surface corresponding to the penetration portion,

Further, in the present invention, the watertight packing comprises a plurality of projections having a small semicircular cross section on the upper surface.

Further, in the present invention, the converter housing part is constituted by an airtight packing seat constituted by a closed concave groove on an upper surface around an edge; And an airtight packing, which is positioned at the left side of the airtight packing and constituted in a closed form, is placed.

Further, in the present invention, the hermetic packing is constituted of a closed type having a "T" shape in cross section.

Further, the present invention is characterized in that the airtight packing has a plurality of projections with a small semicircular cross section on the upper surface thereof; The converter seat cover is constituted by a packing pressing portion constituted by a flat surface at a portion corresponding to the hermetic packing seat.

In the present invention, the body includes a plurality of engaging portions formed integrally with an outer surface of the body, spaced apart from each other at a predetermined interval, and an insertion hole configured by a female screw communicating with the outside.

Further, the present invention is characterized in that a flange protruding from a circumferential band of a cover body and a cover body is formed on the bottom surface of the main body, and a flange is integrally formed at the end of a flange of the flange, A configured diffusion cover is constructed; A ring-shaped O-ring is formed in the 'C' -shaped groove of the tight contact portion; And a coupling ring for pressing the tight contact portion.

In the LED waterproof type floodlight of the present invention, the airtight packing is placed between the converter seat cover and the converter seat, the watertight seal is placed between the converter seat and the body, and the converter seat cover and the converter seat are connected to the converter seat and the main body It is effective to simultaneously perform waterproof treatment by fastening bolts.

In addition, the present invention has the effect of improving the airtightness between the main body and the converter housing by preventing the watertight packing from being detached from the watertight packing by inserting the watertight packing with the watertight packing left and right.

In addition, the present invention has the effect that the plurality of projections having a small semicircular cross section formed on the upper surface of the watertight packing placed on the left side of the watertight packing are brought into close contact with the bottom surface of the converter seat, thereby improving the airtightness between the converter seat and the body.

Further, according to the present invention, the airtight packing with the airtight packing left side is formed as a groove and the airtight packing with the T 'shape in cross section is inserted into the airtight packing left side to prevent the airtight packing from coming off and the airtightness between the converter airtight cover and the converter seat It is effective.

In addition, the present invention is advantageous in that a plurality of small semicircular protrusions formed on the upper surface of the airtight packing placed on the left side of the airtight packing are brought into close contact with the packing pressing portion of the converter seat cover to increase airtightness between the converter seat and the converter seat cover .

Further, according to the present invention, a diffusion cover composed of a ring-shaped groove is formed on the bottom surface of the main body, and an O-ring is inserted into the groove of the close contact portion to prevent the O-ring from coming off and improve airtightness between the main body and the diffusion cover .

1 is an exploded perspective view of the present invention;
2 is a perspective view of the main body of the present invention;
3 is a perspective view of a converter cover of the present invention.
Fig. 4 is a perspective view showing an assembled state of the converter seat in the body of the present invention; Fig.
Fig. 5 is a perspective view showing the coupling of the converter housing to the main body of the present invention. Fig.
6 is a cross-sectional view of an engaged state of the present invention;
Figure 7: Hermetically packed packing and O-ring cross section of the present invention.
8 is an exploded perspective view of another embodiment of the present invention.

The construction and operation of the present invention will be described in detail with reference to FIGS. 1 to 8 attached hereto.

The present invention relates to an outdoor light for outdoor use such as rain or snow because water does not penetrate into the interior of the main body, an LED waterproof type floodlight which can be used for water underwater in shallow water, and the like, And can be applied to a street lamp, a security lamp, a landscape lamp, a house lamp and a house lamp for providing illumination by being installed in an interior lamp for illuminating an assembly line or a factory interior of a factory, a road, .

Nowadays, it is common to install a fountain in most buildings, ponds and river such as large buildings, public offices and hotels, and by installing underwater lights to illuminate the fountain in various colors at night, many people enjoy the beauty even at night In addition, underwater lights are also important for divers to illuminate dark water.

The present invention relates to an image forming apparatus comprising a body 10, an LED module 20, a diffusion cover 30, a coupling ring 40, a converter 60, a converter housing 50, a hermetic packing a, An installation bracket 80 composed of an O-ring c and a cable gland 70 and for coupling the main body 10 to a ceiling, a pillar, or an underwater structure can be further constructed.

The main body 10 may be installed on a ceiling of a factory, a house or a barn by a separate mounting bracket 80 or may be installed on a support installed on a road, a car, a park or the like, It is possible to use it as an illumination handle of a floodlight for underwater illumination.

The mounting bracket 80 includes a horizontal part 82 formed in a plate shape and fixed to a ceiling, a side wall, a strut or an underwater structure and formed horizontally, a horizontal part 82 coupled to an outer surface of the main body 10, And the vertical section 81 is formed to have a cross section of 'c' shape.

A circular or long track type through hole 83 is formed in the horizontal portion 82 of the mounting bracket 80 and is screwed to the ceiling, side wall, strut or an underwater structure through a coupling hole 83 as a bolt The mounting bracket 80 is mounted on a ceiling, a side wall, a strut or an underwater structure, etc., and the end of the vertical portion 81 is formed in a circular plate shape. In the circular plate shape, a circular hole 84 and a circular arc- So that the main body 10 is installed on the mounting bracket 80 and is loosely or fastened to the main body 10 through the arcuate coupling hole 84 as a bolt The body 10 is configured to be rotatable or non-rotatable with respect to the mounting bracket 80 by a length corresponding to the penetrated length of the arc-shaped engagement hole 84.

The main body 10 is composed of a planar portion having a planar upper portion and a curved portion having a curved surface extending integrally in the lower direction integrally with the edge of the planar portion, the overall shape of which is similar to a bowl or a plate.

The flat portion of the main body 10 is constituted by a circular band which is uniformly spaced inwardly from the inner peripheral edge of the main body 10 and integrally protruded on the inner surface of the upper portion of the main body 10 and is provided with a seating ring 17 for seating the coupling ring 40 And an LED module 20, which is tightly coupled as a screw, is mounted on the inner surface, that is, the bottom surface of the flat surface portion.

The LED module 20 is used as a light source such as a light source and includes an LED substrate 21 having an LED 22 mounted on a body 10 and a diffusion cover 30, And a plurality of LEDs 22 attached to the lower part of the LED substrate 21 and electrically connected to each other by an electrode circuit to emit light by an electric current .

The LED substrate 21 is made of a resin material which is commonly used and has a substrate outlet hole 23 through which a wiring connected to the LED 22 is inserted and which is connected to the center of the substrate, The heat generated from the LED 22 is conducted to the flat surface of the main body 10 and then transferred to the radiating fin 14 to cool the radiating fin 14 by the external air, (21) is cooled.

The diffusion cover 30 has an overall shape similar to a dish shape and is coupled to the bottom surface of the main body 10 by the coupling ring 40 and mounted on the front portion of the LED module 20, And the light emitted from the LED (22) is incident to diffuse to the outside.

The cover 30 includes a cover body 31 having a curved plate shape and a flange 32 protruding from a peripheral edge of the cover body 31 with a circumferential band of uniform width in an upward direction, And a tightly fitting portion 33 projecting in a radial direction as a unit.

The flange 32 has a flange 32 at one end and a flange 33 at the other end of the flange 32. The flange 32 has an annular flange 32, And a circular groove is formed to have a cross section of a 'C' shape.

Since the angle at which the light is diffused differently from the discharge lamp is small in the LEDs 22, the LEDs 22 are disposed in front of the LED module 20, and the angle at which the light is irradiated is expanded by the diffusion cover 30, Thereby obtaining a lighting effect.

The diffusion cover 30 may be used as transparent glass, acrylic or polycarbonate in order to improve light transmittance and may be used as various colors of glass, acrylic or polycarbonate to exhibit a lighting effect And can be used as glass, acrylic, and polycarbonate with a built-in diffuser.

The outer surface of the main body 10 is provided with a radiating fin 14 which is formed integrally with the main body 10 and protrudes at regular intervals in the upper direction and is formed as a radial plate and has a cylindrical or tapered cylindrical shape And a plurality of engaging portions 13 constituted by grooves projecting radially and spaced apart from the waterproof struts 16 are constituted and are protruded radially and spaced apart from the waterproof struts 16, A plurality of positioning posts 19 constituted of a cylindrical shape or the like are constituted.

Heat generated in the LED module 20 is heat-exchanged with the main body 10 and the heat of the heat exchanged body 10 is conducted to the heat dissipation fins 14 so that the heat dissipation fins 14 are cooled by air cooling, Cool.

The radiating fins 14 are integrally formed on the outer surface of the flat surface of the main body 10 and are inclined at a height from the curved portion toward the central portion, that is, toward the waterproof strut 16, That is, the height is constant in the vicinity of the position where the converter interior body 50 is placed so as not to cause interference in the coupling.

The coupling ring 40 is formed in a ring shape to be coupled to the bottom surface of the seat ring 17 of the main body 10 by screws and is fitted with a diffusion cover 30 in an inner diameter and is projected with a circumferential band A ring body 42 constituted by a plate-like ring is constituted so that the ring flange 41 and the ring body 42 are integrally formed, Shaped ring.

That is, the coupling ring 40 has a ring flange 41 protruding in the direction of the integral upper direction, that is, the bottom face of the main body 10, with an inner diameter penetrating through the center of the coupling ring 40. In the ring flange 41, The outer diameter of the flange 32 of the diffusion cover 30 and the inner surface of the ring flange 41 of the coupling ring 40 are brought into close contact with each other and the outer diameter of the ring body 42 is set to be larger than that of the seat ring 17 To the bottom surface of the main body 10 so as to be in contact with the inner diameter of the main body 10.

A plurality of protrusions are formed on the inner surface of the lower portion of the body 10 so as to extend integrally with the main body 10 and protrude downwardly therefrom. The engaging ring 40 is seated on the inner surface of the body 10 and is screw- And the engagement ring 40 is coupled to the lower inner surface of the body 10 by the projection or the engagement ring 40 is directly coupled to the lower inner surface of the body 10. [

The protrusions are spaced apart from each other by a predetermined distance in the main body 10 and have a low height so that the O ring c is inserted into the concave groove and the tight contact portion 33 of the diffusion cover 30 and the main body 10, Even if the diffusion cover 30 is coupled to the bottom surface of the main body 10 in a state where the O ring c is positioned between the bottom surface of the main body 10 and the O ring c, 10).

The seat ring 17 includes a ring-shaped seating ring 17 protruding integrally from the bottom surface of the main body 10, that is, the inner peripheral edge of the flat surface of the main body 10. The seat ring 17 has a predetermined width And the seat ring 17 is protruded downward, that is, in the direction of the paper surface, when the main body 10 is installed on the ceiling of the room.

The seat ring 17 is used for cleaning water for cleaning the main body 10 in the state where the main body 10 is installed on the ceiling of the room or in an outdoor illumination lamp, Thereby preventing the water from intruding into the main body 10 for the first time.

The O-ring c having a circular cross-section and a ring-like outer shape is placed in the close contact portion 33 of the diffusion cover 30 while the O-ring c is placed in the circular shape of the close contact portion 33 of the diffusion cover 30 The bottom of the O-ring c is brought into close contact with the bottom of the concave groove of the tightening portion 33 and the bottom surface of the main body 10 is brought into close contact with the top of the O-ring c.

The contact portion 33 located in the inner diameter of the seat ring 17 has an O ring c placed in a circular concave groove and an O ring c placed on the bottom surface of the body 10, The ring flange 41 of the coupling ring 40 is placed on the lower surface of the diffusion cover 30 in such a manner that the O ring c, the diffusion cover 30, The diffusion cover 30 and the lower portion of the main body 10 are air-tightly sealed by the O-ring c by screwing the coupling ring 40 and the lower portion of the main body 10 as bolts.

When the coupling ring 40 is screwed to the bottom surface of the main body 10 by the screws, the ring flange 41 of the coupling ring 40 presses the close contact portion 33 of the diffusion cover 30, The O ring c is pressed against the bottom surface of the main body 10 by pressing the O ring c so that the space between the main body 10 and the diffusion cover 30 is sealed and watertight.

The waterproof column 16 is integrally formed at the center of the top surface of the upper surface of the main body 10 and is vertically pierced on the airtight top surface of the airtight upper surface composed of columns of cylindrical, An inlet hole 11 through which the electric wire of the converter 60 is inserted and a screw hole 18 vertically penetrating the inlet hole 11 are formed.

The main body 10 is integrally formed with the upper flat portion and the curved lower portion, and the flat portion or the curved portion is not limited to a circular shape but can be deformed into a rectangular shape or a square shape. Do.

The inflow hole 11 is vertically penetrated through the waterproof strut 16 so that the bottom surface and the upper outer surface of the main body 10 are communicated with each other and the screw hole 18 is spaced apart from the inflow hole 11 at a predetermined interval, And a groove having a certain depth which is formed by female threads and which shares one side with the female thread 11.

The upper end of the waterproof support 16 is provided with an inlet hole 11 and a screw hole 18 penetrating therethrough and a closed protrusion 12-1 protruding in an upward direction integrally, And a watertight packing (b) is placed in the watertight packing seat (12).

The watertight packing (b) is a closed type having a groove (b-1) in cross section and having a concave shape in cross section, and has a plurality of small protrusions the protrusion 12-1 of the waterproof strut 16 is inserted into the groove b-1 of the watertight packing b so that the watertight packing b is sealed in the watertight packing The inner side surface and the outer side surface of the watertight packing b are brought into close contact with the upper surface of the waterproof strut 16

The width of the protrusion 12-1 of the waterproof column 16 is set so that the protrusion 12-1 of the waterproof column 16 can be inserted into the groove b-1 of the watertight packing b, And the protrusion 12-1 of the waterproof strut 16 presses the watertight packing b while the end of the protrusion 12-1 is positioned in the groove b-1 Tightness of the watertight packing b is further ensured so that the small semicircular cross-section projection b-2 on the upper surface of the watertight packing b comes into contact with the bottom of the converter housing 50, that is, the converter seat 52 The airtightness between the converter housing 50, that is, the converter seat 52 and the main body 10, that is, the waterproof support 16, is increased.

If the watertight packing seats 12 are formed in a flat surface, it is difficult to normally place the watertight packing b in the watertight packing seat 12 and even if the converter seat 50 and the body 10 are assembled, Since the packing b can move between the watertight packing seats 12 and the converter seat 50 to cause airtight obstacles, the present invention solves this problem by providing the watertight packing seats 12 on the protrusions 12 -1), and the cross section of the watertight packing (b) was formed as a groove (b-1).

The converter housing 50 includes a wiring hole 52-4 communicating with the inlet hole 11 and a screw hole 52-6 communicating with the screw hole 18, And the bottom surface is tightly pressed against the upper surface of the watertight packing (b).

The converter attitude body 50 is constituted by the combination of the converter seat 52 and the converter seat cover 51 so that an internal space is formed and the converter 60 is housed in the internal space. Shaped converter housing portion 52 which is coupled to the upper outer surface of the housing 10 and is formed with a wiring hole 52-4 communicating with the inlet hole 11 and a screw hole 52-6 communicating with the screw hole 18 52-1 which are integrally protruded on the outer surface of the converter housing portion 52-1 and formed on the inner surface of the converter housing portion 52-1.

The converter seat 52 includes a converter seat portion 52-1 having a circular or rectangular shape and protruding from the periphery of the converter seat portion 52-1 and having a closed- And the protruding portion 52-3 is formed integrally with the outer surface of the gas tight packing left 52-3 so as to be integrally formed in the horizontal direction or the edge of the converter inner surface portion 52-1 of the outer surface of the gas tight packing left 52-3 And the penetrating portion 52-2 is constituted by a bolt passage hole through which the bolt passes.

The converter seat 52 is placed in the upper part of the waterproof column 16 and the screw is inserted into the screw hole 52-6 of the converter seat 52 so that the screw fixture hole 18 of the waterproof strut 16 The converter seat 52 is placed on the waterproof support 16 and the converter seat 52 is mounted on the waterproof support 16 while the converter seat 52 is mounted on the waterproof support 16, The bolts are sequentially passed through the bolt insertion holes of the penetration portion 52-2 of the converter seat 52 through the bolt insertion holes of the insertion portion 51-3 of the converter seat cover 51, The main body 10 or the waterproofing support 16 and the converter housing 50 are tightly engaged with each other when the housing 10 is screwed.

The outer surface of the upper surface of the main body 10 is formed in a cylindrical shape spaced apart from the waterproof strut 16 and spaced apart from the engaging portion 13 and integrally protruding from the flat surface portion, A positioning post 19 is formed which is configured at a similar height and in which the groove is formed only up to a certain depth from the upper outer surface and is not in communication with the inner surface of the main body 10. [

On the other hand, on the outside of the bottom of the converter seat 52, there is formed a position projection 52-7 having a cylindrical or tapered cylindrical shape protruding downward in an integral manner at a portion corresponding to the position post 19, When the stand 52 is assembled to the main body 10, the position projection 52-7 is inserted into the groove of the positioning post 19 to determine the position of the converter seat 52 with respect to the main body 10 .

That is, by inserting the position projection 52-7 projected on the bottom surface of the converter seat 52 into the groove of the position post 19, the wiring hole 52-4 of the converter seat 52 is inserted into the waterproof column The screw hole 52 of the converter seat 52 coincides with the screw hole 18 of the waterproof strut 16 and the inlet hole 11 of the converter seat 52 The bolt passing hole of the penetrating portion 52-2

The bolt insertion holes of the converter seat cover 51 are aligned with the bolt holes of the engagement portion 13 of the main body 10 so that the main body 10 of the converter seat body 50 can be easily assembled.

The positioning post 19 is formed in a cylindrical or tapered shape and the positioning projection 52-7 is protruded outward from the bottom surface of the converter seat 52 to have a cylindrical or tapered shape And the groove 19 is inserted into the groove of the position projection 52-7 so that the converter seat 52 is seated on the main body 10. [

A plurality of engaging projections 52-5 are integrally formed on the upper surface of the converter seat 52, that is, the converter guiding portion 52-1. The engaging projections 52-5 are integrally protruded. A screw hole constituted by a female screw is formed.

The converter seat cover 51 is connected to the upper portion of the converter seat 52 and has a bowl or a hexahedron with one side opened. 2, a plurality of engaging projections 51-5, which are integrally formed on the inner surface of the upper portion and formed as a cylinder, are formed on the inner surface or the outer surface of the upper portion, A screw hole having upper and lower female screws is formed and a cooling fin in the form of a pin is formed on the outer surface of the coupling protrusion 51-5 in order to facilitate internal cooling of the converter housing 50, that is, cooling of the converter 60 .

The insertion portion 51-3 is formed on the bottom surface of the converter seat cover 51 and corresponds to the converter seat 52 and has a portion corresponding to the hermetic packing seat 52-3 of the converter seat 52 A packing pressing portion 51-2 constituted by a plane is formed and is formed on the inner surface of the packing pressing portion 51-2 and integrally protruded on the outer surface, (52-2).

The bolt insertion hole of the insertion portion 51-3 of the converter seat cover 51 and the bolt insertion hole of the penetration portion 52-2 of the converter seat 52 are sequentially inserted and inserted into the converter seat cover 51, And the converter seat 52 are screwed into the main body 10 so that the bottom surface of the converter seat 52 closely contacts the watertight packing b.

The gas tight packing left side 52-3 is formed by two rows of protrusions formed on the converter seat 52 and protruding around the periphery of the converter seat portion 52-1, And after the airtight packing (a) is placed on the airtight packing seat 52-3, the converter cover 51 and the converter seat 52 and the main body 10 are screwed together with a bolt The lower surface of the periphery of the converter seat cover 51 closely contacts the airtight packing a.

The airtight packing (a) is formed in a closed shape as a whole, has a cross section of 'T', has a plurality of projections (a-1) having a small semicircular cross section on its upper surface, A protruded portion at the center of the airtight packing seat 52-3 is inserted into the concave groove of the airtight packing seats 52-3 so that the protruded lower surface of the airtight seal packing a is in close contact with the bottom surface of the airtight packing seat 52-3 And the lower surface around the periphery of the converter seat cover 51, that is, the packing pressing portion 51-2, is placed in close contact with the upper surface of the hermetic packing a.

The packing pressurizing portion 51-2 is integrally formed with the lower end of the periphery of the converter seat cover 51 in a protruding or extending manner or integrally formed as a protrusion extending outwardly in the outward direction, Is made flat.

A closed type airtight packing (a) having a T-shaped cross section is placed on the airtight packing seat (52-3) of the converter seat (52), and a protruding portion protruding from the center of the airtight packing The lower surface of the airtight packing a is closely attached to the bottom surface of the concave groove of the airtight packing seat 52-3 and the packing of the converter airtight cover 51 is inserted into the concave groove of the airtight packing 52-3, The pressing portion 51-2 is placed in close contact with the upper surface of the hermetic packing a.

The protrusion of the hermetic packing a can be inserted into the concave groove of the hermetic packing left 52-3 so that the protrusion of the hermetic packing a can be inserted into the concave groove of the hermetic packing left 52-3, The protrusion of the airtight packing (a) presses the concave groove of the airtight packing seat (52-3) while the end of the protrusion is positioned in the concave groove, The small semicircular cross section projection a-1 on the upper surface of the gas tight packing a comes into contact with the bottom surface of the packing pressing portion 51-2 of the converter seat cover 51 and the converter seat cover 51 The airtightness with the converter seat 52 is increased.

Tight packing (a) is placed in the recessed groove of the hermetic packing seat 52-3 of the converter seat 52 and the airtight packing (a) is placed on the bottom surface of the converter seat cover 51, The converter seat cover 51 and the converter seat 52 are screwed together with the upper portion of the main body 10 as bolts in a state where the stand 52, the airtight packing (a) and the converter seat cover 51 are sequentially positioned, The converter seat 52 and the upper portion of the main body 10 are sealed and watertight by the packing a.

If the packing pressing portion 51-2 applies pressure to the hermetic packing a by tightening the bolts by screwing when the converter housing 50 is coupled to the main body 10, The density of the hermetic packing (a) is not released in the grooves of the hermetic packing seats 52-3, and the portion where the hermetic packing (a) comes into contact is raised in airtightness.

Tight packing (a) is placed on the hermetic packing seats 52-3 so that the converter seat 50 is fastened to the waterproof support 16 of the main body 10 by the bolt fastening, The packing pressing portion 51-2 presses the upper surface of the hermetic packing a so that the pressing force of the packing pressing portion 51-2 presses the hermetic packing a and the hermetic packing left 52-3, (a) and the bottom surface of the packing pressurizing portion 51-2 of the converter seat cover 51 to be watertight.

That is, when the converter housing 50 is connected to the upper surface of the main body 10 as a bolt, the packing pressing portion 51-2 of the converter housing cover 51 of the converter housing 50 contacts the hermetic packing a And the gas tight packing a pressurizes the converter seat 52 to bring the converter seat cover 51 and the converter seat 52 in close contact with each other so that the space between the converter seat cover 51 and the converter seat 52 is sealed And the watertight packing (b) presses the watertight support (16) so that the converter seat (52) and the watertight packing (b) are in close contact with each other and the watertight packing the watertight packing b and the watertight support 16 are tightly sealed so that the space between the converter seat 52 and the watertight packing b is hermetically sealed and the watertight packing b and the watertight bight 16 are airtight and watertight.

The airtight packing (a) is configured to be closed as in the planar shape of the airtight packing seats (52-3), and the concave grooves of the airtight packing (a) The separation of the airtight packing (a) from the airtight packing seats 52-3 is prevented and at the same time the engagement of the converter seat cover 51 and the converter seat 52 is facilitated.

The bolt connection between the converter seat cover 51 and the converter seat 52 and the main body 10 is achieved by screwing the main body 10 to the main body 10 with the engaging portion 13 formed by an inserting hole formed in the main body 10 as a bolt.

If the airtight packing septum 52-3 is formed in a planar shape, it is difficult to normally place the airtight seal packing a in the airtight packing seats 52-3 and even if the converter seat 50 and the main body 10 are assembled, The airtight packing (a) can move between the packing pressing portion 51-2 and the airtight packing 52-3 due to the water pressure of the airtight packing 52-1, The packing left 52-3 is formed as a concave groove, and the cross section of the airtight packing 'a' is configured as a 'T' shape.

The coupling part 13 is integrally formed on the outer surface of the main body 10 and is spaced apart from the watertight packing 12 by a predetermined distance and is formed into a cylindrical shape with an open upper part and has a plurality of insertion holes And the pressing force of the watertight packing (b) placed on the watertight packing seat (12) by the plurality of engaging portions (13) coupled to the main body (10) by the engaging portion (13) .

The converter housing 50 is screwed to the engaging portion 13 of the main body 10 so that the bolt is inserted into the inserting hole and screwed into a female screw that is inserted into the insertion hole of the main body 10, .

The bottom surface of the converter seat 52 is formed with a gas-tight packing pressing side of a circular concave groove corresponding to the shape of the surface to be brought into contact with the upper surface of the watertight packing b, 1 is formed with the same groove as the upper surface of the watertight packing b so that even if a water pressure is applied to the watertight packing b, the inner surface of the groove of the airtight packing pressurized side receives the inner surface of the watertight packing b The watertight packing b is prevented from being pushed out of the inner side surface of the airtight packing pressurized seat so that the airtightness of the portion where the watertight packing b comes into contact with the airtight packing b is increased while ensuring the prevention of disengagement of the watertight packing b.

In this case, the sum of the height of the protrusion of the watertight packing seats (12) of the waterproof column (16) and the depth of the recessed groove of the pressurized packing pressed left should be smaller than the height of the watertight packing (b) It is preferable that the depth of the left concave groove is smaller than the height of the protrusion of the watertight packing seat 12 of the waterproof strut 16. [

The packing pressing portion 51-2 of the converter seat cover 51 is configured such that the airtight packing pressing side of the concave groove corresponding to the shape of the surface to be brought into contact with the upper surface of the airtight packing (a) Even if water pressure is applied to the airtight packing (a), the inner side of the airtight packing is pressed against the airtight packing (a) a) is prevented from being pushed out of the inner side surface of the hermetic packing pressing portion, thereby preventing the hermetic packing (a) from being separated from the hermetic packing (a) Thereby increasing the degree of airtightness.

In this case, the sum of the depth of the recessed grooves of the hermetic packing seats 52-3 of the converter seat 52 and the depth of the recessed grooves of the hermetic packing pressing seats is greater than the height of the hermetic packing a And the depth of the recessed groove on the left side of the airtight packing pressing portion is preferably smaller than the depth of the recessed groove on the airtight packing seat 52-3 of the converter seat 52. [

The present invention is characterized in that the converter seat cover 51 and the converter seat 52 and the main body 10 are fastened together by one bolt fastening so that the airtight packing a between the converter seat cover 51 and the converter seat 52 And the watertight packing (b) between the converter seat (52) and the main body (10), that is, the watertight support (16).

A converter 60 is connected to the LED module 20 to supply power to the LED 22. The converter 60 converts an alternating current into a direct current and outputs an alternating current inputted through the electrode line to a direct current And a driving circuit for driving the LEDs 22 is mounted.

The converter 60 supplies a DC current suitable for the LED 22 and is placed in an internal space formed by the converter housing 50 and electrically connected to an external power source through an electrode line. Wiring and the like.

The converter 60 includes a converter housing 50 in which a drive circuit is mounted on a conventionally used resin-based converter board 61 and a converter seat cover 51 and a converter seat 52 are coupled to each other, And a wiring passage hole is formed at a position corresponding to the wiring hole 52-4 of the converter seat 52 so that the wiring is inserted into the wiring passage hole and is electrically connected to the main body 10 through the wiring hole 52-4 Is inserted into the inflow hole (11) and electrically connected to the LED module (20).

The converter board 61 is provided with a through hole 62 at the portion corresponding to the screw hole of the engaging projection 52-5 of the converter seat portion 52-1 or the screw hole of the engaging projection 51-5 of the converter seat cover 51 And the converter substrate 61 is placed on the upper portion of the engaging projection 52-5 of the converter holding portion 52-1 or on the upper portion of the engaging projection 51-5 of the converter seat cover 51 The rear screw is screwed into the screw hole of the engaging projection 52-5 or the engaging projection 51-5 through the through hole 62 of the converter substrate 61 so that the converter board 61 is screwed into the converter seat portion 52 -1) or on the inner surface of the converter seat cover 51.

When the converter 60 is placed in the converter housing portion 52-1 or is coupled to the inner surface of the converter seat cover 51, A spacing space is formed between the bottom surface and the converter socket portion 52-1 or a space is formed between the bottom surface of the converter substrate 61 and the inner surface of the upper portion of the converter seat cover 51, If not formed, the wiring is inserted into the spacing space, drawn out through the wiring hole 52-4, and electrically connected to the LED module 20 through the inflow hole 11.

The engagement of the converter 60 with the upper portion of the inner surface of the converter seat cover 51 is more effective than the space between the converter 60 and the main body 10 or converter seat 52 There is an effect that the heat of the main body 10 is transmitted to the converter 60 less.

The airtight packing (a), the watertight packing (b) and the O-ring (c) are made of natural rubber or synthetic rubber and the synthetic rubber is made of styrene butadiene rubber (SBR), nitrile rubber Acrylonitrile butadiene rubber (NBR), chloroprene rubber (CR), butadiene rubber (BR), acrylic rubber (ACM), ethylene propylene terpolymer (EPDM) (IIR), Butyl Rubber, Thiokol (Thiocol) Rubber, Standard Marathon Rubber (SMR), Silicone Rubber (SIU), Urethane Rubber (UR) (FR: Viton Fluoro Rubber), Epichlorohydrin Ethyleneoxide Rubber (ECO), Epichlorohydrin Rubber (CHR), Propylene Oxide Rubber (POR) Rubber (CSM: Chlorosulphonated Polyethylene Hypalon Rubber), Polyisoprene (IR), fluoroelastomer rubber (FKM), fluorosilicon rubber (FMQ), hydrogenated nitrile butadiene rubber (H-NBR) and polyurethane rubber (PUR) ).

A ground hole 51-4 is formed in the upper surface of the converter seat cover 51 so as to communicate with the outside and a female thread is formed. An electric wire connected to the power source passes through the cable gland 70, 60 so that an external power source is applied to the converter 60.

When the male thread of the cable gland 70 with the electric wire inserted therein is screwed to the female screw of the ground hole 51-4, the inner diameter of the cable gland 70 is reduced and the diameter of the electric wire is pressed. The wires are hermetically sealed and watertight and airtightly sealed between the cable glands 70 and the grand holes 51-4 of the converter seat cover 51 by screws or between the cable glands 70 and the ground holes 51-4 The packing is sealed and tightly sealed by water tight.

A pair of bracket mounting projections, which are formed integrally in the upper part of the main body 10 in the upper direction and penetrate in the direction of the inflow hole 11 from the outside in the upward direction and are vertically spaced apart, (15).

The fitting hole of the bracket mounting base 15 is formed to correspond to the fitting hole 84 of the mounting bracket 80 and is coupled to the fitting hole 84 of the mounting bracket 80 by bolts, Shaped coupling hole 84 of the coupling member 15 so as to be rotatable or non-rotatable.

The power line is drawn out to the inner space of the converter inner cover 51 through the ground hole 51-4 in a state where the cable gland 70 is engaged with the ground hole 51-4, The converter 60 is placed in the air bag 52-1 and the airtight packing a is placed on the airtight packing left 52-3 and then the wiring is connected to the bottom of the converter seat 52 via the wiring hole 52-4 The watertight packing (b) is moved to the watertight packing seat (11) while the converter seat cover (51) is positioned on the converter seat (52) 12 and the converter seat 52 and the converter seat 50 are positioned at the upper portion of the main body 10 and the bolts are inserted into the insertion portions of the converter seat cover 51 The bolt insertion hole and the bolt insertion hole and the bolt through hole of the penetration portion 52-5 of the converter seat 52 and then bolts the bolt insertion hole with the female thread of the coupling portion 13 of the main body 10, The converter seat cover 51 and the converter seat 52 and the main body 10 are fastened together at the same time and the assembly of the converter seat cover 51 and the converter seat 52 is simple, The converter seat cover 51 and the converter seat 52 are hermetically sealed and waterproofed by the gas tight packing a and the converter seat 52 and the main body 10, The pedestal 52 and the waterproofing column 16 are air-tightly and simultaneously waterproofed so that the protrusions or recessed grooves of the airtight packing seats 12 and 52-3 of the waterproof strut 16 and the airtight packing seats 12 and 52 3), the airtight packing (a) and the watertight packing (b) are separated from the airtight packing seats (12, 52-3) by the recessed grooves or projections of the airtight seal The airtightness is improved and the converter seat 52 and the main body 10 (b-2) are separated by the semicircular cross-section protrusions a-1 and b-2 formed on the upper surface of the airtight packing ) And the degree of confidentiality The degree of airtightness between the converter seat 52 and the converter seat cover 51 is increased and the position projection 52-7 of the converter seat 52 is inserted into the seat post 19 of the main body 10, It is easy to assemble the main body 10 of the main body 52.

The present invention is characterized in that the wiring drawn out to the bottom surface of the main body 10 is electrically connected to the LED module 20 and the LED module 20 is fastened to the lower surface of the main body 10 with screws, The diffusion cover 30 in which the O ring c is inserted into the concave groove of the main body 10 is fastened to the bottom surface of the main body 10 with the rear engagement ring 40 located on the bottom surface of the main body 10, (c), the body 10 and the diffusion cover 30 are sealed to complete the waterproof assembly.

Although the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the claims.

10: main body 11: inflow hole
12: watertight packing left 13:
14: radiating fin 15: bracket mounting
16: waterproof support 17: seat ring
18: Screw fastening hole 19: Position holding
20: LED module 21: LED substrate
22: LED 23: substrate outflow hole
30: diffusion cover 31: cover body
32: flange 33:
40: coupling ring 41: ring flange
42: ring body 50: converter housing
51: Conversion cover 51-1: Converter cover body
51-2: Packing pressing portion 51-3:
51-4: Grand ball 51-5, 52-5: Coupling projection
52: convertor stand 52-1: convertor stand
52-2: Penetration portion 52-3: Hermetic packing left
52-4: wiring hole 52-6:
52-7: Position projection 60: Converter
61: converter board 70: cable gland
80: mounting bracket 81: vertical part
82: horizontal portion 83, 84: engaging hole
a: confidential packing b: watertight packing
c: O ring

Claims

In an LED waterproof type floodlight or the like,
A waterproof support protruding in a direction of an integral upper part of the main body and constituted by an inflow hole passing through the upper part and having a watertight packing seat formed on an upper outer surface around the inflow hole;
A watertight packing positioned on the left side of the watertight packing;
A converter housing portion which is coupled to an upper portion of the main body so as to be in tight contact with the watertight packing and which comprises a wiring hole communicating with the inlet hole and an airtight packing groove constituted by a closed concave groove on an upper surface of the periphery, And a converter inner cover coupled to the converter inner casing and having an inner space formed therein;
An airtight packing in which the airtight packing is seated on the left side and is of a closed type with a cross section of 'T' shape, and a projection at the center is inserted into the concave groove of the airtight packing seal;
The converter housing body is screwed to the main body by bolts so that the bottom surface of the converter housing body closely pressurizes the watertight packing to waterproof the space between the main body and the converter housing and the converter housing cover closely contacts the airtight packing, And the LED is waterproof.

The method according to claim 1,
Wherein the watertight packing seat is composed of a closed projection on the upper outer surface of the waterproof strut;
Wherein the watertight packing is constructed in a closed configuration and has a cross section in a 'C'shape;
And the projections on the left side of the watertight packing are inserted into the recessed grooves of the watertight packing.

The method according to claim 1,
The converter seat is constituted by an inner surface of the converter housing portion or a plurality of through portions formed by projecting integrally on the outer surface and formed by vertically penetrating bolt holes;
Wherein the converter seat cover is formed with an insertion portion including a bolt insertion hole coupled to an upper portion of the converter seat and an outer surface corresponding to the penetration portion.

3. The method of claim 2,
Wherein the watertight packing comprises a plurality of projections having a small semicircular cross section on an upper surface thereof;
And the protrusions are brought into close contact with the bottom surface of the converter housing, thereby increasing airtightness between the converter housing and the waterproof strut.

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5. The method of claim 4,
The hermetic packing has a plurality of projections having a small semicircular cross section on an upper surface thereof;
Wherein the converter seat cover comprises a packing pressurizing portion formed in a plane at a portion corresponding to the hermetic packing seat;
And the protrusion is brought into close contact with the packing pressing portion to increase the airtightness between the converter seat and the converter seat cover.

8. The method according to claim 3 or 7,
Wherein the main body comprises a plurality of engaging portions formed integrally with the outer surface and spaced apart from each other at a predetermined interval and formed with insertion holes configured to communicate with the outside,
And the converter housing body is fastened to the main body by screwing the bolt to the female screw of the insertion hole.

9. The method of claim 8,
And a diffusion cover composed of a flange protruding from a circumferential band of the cover body and the flange of the flange and formed integrally in a radial direction and formed in a ring shape and having a "Being;
A ring-shaped O-ring is formed in the 'C' -shaped groove of the tight contact portion;
And a coupling ring for pressing the tight contact portion;
And the coupling ring is screwed to the bottom surface of the main body to waterproof the main body and the diffusion cover.