KR101864138B1 - Explosion proof LED light - Google Patents

Explosion proof LED light Download PDF

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Publication number
KR101864138B1
KR101864138B1 KR1020180010651A KR20180010651A KR101864138B1 KR 101864138 B1 KR101864138 B1 KR 101864138B1 KR 1020180010651 A KR1020180010651 A KR 1020180010651A KR 20180010651 A KR20180010651 A KR 20180010651A KR 101864138 B1 KR101864138 B1 KR 101864138B1
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KR
South Korea
Prior art keywords
explosion
side cover
cover
proof
led
Prior art date
Application number
KR1020180010651A
Other languages
Korean (ko)
Inventor
최헌길
Original Assignee
(주)큐라이트
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Publication date
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Priority to KR1020180010651A priority Critical patent/KR101864138B1/en
Application granted granted Critical
Publication of KR101864138B1 publication Critical patent/KR101864138B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00Safety devices structurally associated with lighting devices
    • F21V25/12Flameproof or explosion-proof arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/04Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00Globes; Bowls; Cover glasses
    • F21V3/04Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/10Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by coatings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00Gas-tight or water-tight arrangements
    • F21V31/005Sealing arrangements therefor

Abstract

The present invention relates to an explosion proof LED light which has a structure of sealing a lighting body, provided therein, without the exposure to the outside and prevents fire from spreading to the outside even when an explosion occurs in the lighting body. The present invention has the effect of preventing static electricity due to epoxy resin by applying conductive epoxy paint in a longitudinal direction on the outer circumferential surface of a globe and preventing an explosion which may be caused by spark due to the static electricity of an external light. The explosion proof LED light further includes a side cover, a fixing bolt, a packing cover, and an O-ring.

Description

Explosion proof LED light

The present invention relates to a pressure-resistant explosion-proof LED lamp, and more particularly, to an explosion-proof LED lamp having a structure in which an illuminating body located inside is sealed without being exposed to the outside, It is about LED light.

In general, explosive gases and explosive atmospheres due to vapors or dust are formed, and factories handling various flammable materials are areas of constant risk. These hazardous areas are classified into 0, 1, and 2 hazardous areas according to the hazardous conditions. Among these hazardous areas, 0 and 1 are always exposed to fire, explosion and heat. .

The electric apparatus and the lighting apparatus used in the place where the explosion danger atmosphere is formed are designed to prevent the spark generated by the electrical coupling from being released to the outside and to prevent the gas, Structure.

For example, an explosive gas can penetrate into a small gap caused by expansion and contraction caused by blinking of the lighting apparatus, and it is difficult to obtain explosion-proof effect even if the apparatus is closed. Therefore, in the prior art, the explosion-proof lamp uses an inert gas introduced therein so as not to be ignited even when an explosive gas is infiltrated into the explosive gas. Generally, such explosion-proof lamps use incandescent lamps, fluorescent lamps, There is a problem that the size is large and power consumption is large.

In particular, when a discharge lamp such as a fluorescent lamp is used as a light source, a ballast is used to control an overcurrent, which is bulky, consumes a lot of power, and is exposed to an unstable state in a place where vibration is high.

In addition, when the light source and the stabilizer are not properly heat-dissipated, such an explosion-proof lamp has a problem that it can shorten its life due to overheating and cause a very dangerous situation. Therefore, such an explosion-proof lamp usually has a lamp having a glass bulb such as a high-pressure mercury lamp or a high-pressure sodium lamp, or a metal halide lamp, and has a pressure-resistant casing for preventing explosion of the lamp from secondary explosion in the event of spark due to overheating do.

The pressure-resistant casing has an internal pressure that resists pressure when an explosion occurs inside due to an electrical defect therein, and air tightness is required which is not likely to be ignited by external explosive gas through a joint surface, an opening or the like. A casing such as an explosion-proof casing has a structure in which a glass globe or a tempered glass is tightly bonded to a casing main body made of a metal and a protective net is formed outside the glass globe or tempered glass to protect it from an external impact.

In addition, since the lamp is formed in a form having a glass bulb, it is necessary to secure a sufficient inner space for the glass globe or the tempered glass to accommodate the glass bulb and to have an internal pressure against the breaking force at the time of explosion of the glass bulb. The entire casing including the tempered glass is thick and the explosion-proof structure is large in size.

On the other hand, there is disclosed an explosion-proof lamp using a LED as a light source, which is less likely to generate sparks due to heat, as disclosed in Korean Patent Registration No. 10-0910539, "LED explosion-proof lamp" Shinan Bulletin No. 20-0459504 "LED light source module for explosion-proof device" has a complicated structure and can not support the heat dissipation performance, resulting in lowered illuminance and short life span.

Patent Document 1: Korean Patent Registration No. 10-0910539 entitled "LED explosion-proof lamp" (registered on July 27, 2009) Patent Document 2: Korean Registered Utility Model No. 20-0459504 "LED light source module for explosion-proof lamp" (registered on March 20, 2012)

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a new type of lighting system in which an internal lighting body is sealed without being exposed to the outside, Resistant explosion-proof LED illumination lamp of the present invention.

In particular, a new type of epoxy resin coating is applied on the outer circumferential surface of a glove made of PC to prevent static electricity by epoxy resin to prevent explosion which may be caused by static electricity outside the lamp And to provide an explosion-proof explosion-proof illuminating lamp.

According to an aspect of the present invention, there is provided a lighting apparatus comprising: a rectangular illumination body having an LED inside and a side cover on both sides; A groove (30) formed in a cylindrical shape and having the illumination body (20) installed therein, for emitting light of the LED of the illumination body (20) to the outside; A side cover (40) hermetically joined to a part of an outer circumferential surface of both ends of the grove (30); A rectangular fixing bolt 50 fixed at both ends to the side cover 40 and supported by the side cover 21 of the lighting body 20; A packing cover 60 formed to surround the side cover 40; And an O-ring (70) positioned between both ends of the grove (30) and the side cover (40).

In the light-resistant explosion-proof LED illumination lamp according to the present invention, the grooves 30 are coated with the conductive epoxy paint 31 in the longitudinal direction on the outer circumferential surface.

In the case of the explosion-proof LED illumination lamp according to the present invention, the grove 30 is made of polycarbonate.

A power supply line for supplying power to the LED of the lighting unit 20 is formed by passing through the side cover 40 and the packing cover 60 formed on one side of the explosion-proof LED illumination lamp according to the present invention, And a cable gland (80) having an explosion-proof structure to be passed therethrough.

The fixing bolt 50 is fixed to the packing cover 60 by fixing the fixing bolts 51 on both sides of the fixing bolt 50. The fixing bolt 50 and the fixing bolt 51 are fixed to the o- (52).

And a coupling band 91 which is formed so as to surround the packing cover 60 and which is bent at both ends and fastened by the fastening member in a light-proof explosion-proof LED lamp according to the present invention, and is formed on the coupling band 91 And a fixing bracket (90) having a fixing portion (92) fixed to the mounting point.

As described above, according to the explosion-proof LED illumination lamp according to the present invention, the lighting body disposed inside is hermetically sealed without being exposed to the outside, so that even when the explosion occurs in the lighting body, the flame does not propagate to the outside.

In particular, by applying a conductive epoxy paint in the longitudinal direction on the outer circumferential surface of the groove, it is possible to prevent static electricity by the epoxy resin and to prevent an explosion which may be caused by sparks due to static electricity outside the illumination.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of an explosion-proof LED illumination lamp according to a preferred embodiment of the present invention,
Fig. 2 is a partially cutaway perspective view of Fig. 1,
3 is an exploded perspective view of an explosion-proof LED illumination lamp according to a preferred embodiment of the present invention,
4 is a cross-sectional view of an explosion-proof LED illumination lamp according to a preferred embodiment of the present invention,
FIG. 5 is a view showing a state where a fixing bracket is coupled in a pressure-proof explosion-proof LED lamp according to a preferred embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In FIGS. 1 to 5, the same reference numerals are assigned to components performing the same function. In the drawings and the detailed description, detailed description of specific elements and functions of elements not directly related to the technical features of the present invention will be omitted. .

1 to 5, a pressure-resistant explosion-proof LED illumination lamp according to a preferred embodiment of the present invention includes a rectangular illumination body 20 having LEDs installed therein and a side cover 21 on both sides thereof, A lobe 30 for illuminating the light of the LED of the illuminating main body 20 to the outside and a lid 30 for sealing the lid 30 to a part of the outer circumferential surface at both sides of the lobe 30, A rectangular fixing bolt 50 fixed to the side cover 40 at both ends and supported by the side cover 21 of the lighting main body 20 and a side cover 40 surrounding the side cover 40 And an O-ring 70 positioned between the opposite ends of the lobe 30 and the side cover 40. The packing cover 60 is formed to have the same shape as that of the lid 30,

The illumination body 20 is formed in a rectangular shape, and a substrate having a plurality of LEDs therein is installed. In addition, the side cover 21 is coupled to both sides to protect the inner LED. The side cover 21 coupled to one side is coupled with a cable gland 80 having an explosion-proof structure through which a power line for emitting light is passed.

The side cover 21 is made of a silicone material and the support hole 22 is formed adjacent to the edge so that the illumination body 20 is stably supported by the fixing bolt 50 inside the lobe 30 . At this time, the support hole 22 is formed so that the center side thereof corresponds to the fixing bolt 50, and is formed outward from the center side, and is formed so as to open on the side contacting the outer circumferential surface.

The side cover 21 as described above serves to determine the position of the illuminating main body 20 while supporting the illuminating main body 20, and protects the illuminating main body 20 from unexpected external vibrations or impacts.

The grooves 30 are formed in a cylindrical shape of transparent polycarbonate material and have an inner space 32. At both ends of the grooves 30, a coupling end 33 is formed inward to hermetically bond with the side cover 40. [ do. The lighting body 20 is installed in the inner space 32 of the groove 30 so that light emitted from the LED of the lighting body 20 is emitted to the outside. At this time, the grooves 30 are coated with the conductive epoxy paint 31 in the longitudinal direction. By forming the grooves 30 made of polycarbonate material, it is possible to withstand external impacts, to withstand the explosion of the LEDs of the lighting unit 20, to form the conductive epoxy paint 31 ) To prevent static electricity by epoxy resin, thereby preventing an explosion which may be caused by sparks due to static electricity outside the lamp.

Meanwhile, in the preferred embodiment of the present invention, it is preferable that four conductive epoxy coatings 31 are applied at an equal angle of 90 degrees in the longitudinal direction. However, this is merely an example of the present invention, and it should be understood that within the scope of the present invention, It will be understood by those of ordinary skill in the art that various changes and modifications may be made. That is, if five or more conductive epoxy paints 31 are formed, the light emitted from the LEDs of the lighting unit 20 installed therein can not be effectively emitted. If the number of conductive epoxy coatings is less than three, the effect of preventing static electricity is reduced In the preferred embodiment of the present invention.

The side cover 40 is formed such that both ends of the lobe 30 are coupled to the inside and the coupling end 41 is formed so as to be airtightly joined to the coupling end 33 of the lobe 30, The first through hole 42 is formed on the center side of the light guide plate 40 so that the terminal 80 for supplying power to the LED of the illumination main body 20 is coupled. A fixing groove 43 is formed in the periphery of the first through hole 42 so that one side of the fixing bolt 50 is inserted and fixed and the other side of the fixing bolt 50 penetrates through the side cover 40 on the other side. The second through hole 44 is formed. The side cover 40 is hermetically joined to the coupling end 33 of the lobe 30 and the fixing bolt 50 passing through the second through hole 44 of the side cover 40 is joined to the second through hole 44) and sealed to form an explosion-proof section.

On the other hand, an O-ring 70 for maintaining airtightness is formed between the both ends of the lobe 30 and the side cover 40.

The fixing bolt 50 is provided to stably install the lighting main body 20 in the inner space 32 of the lobe 30 and one side of the fixing bolt 50 is inserted and fixed in the fixing groove 43 of the side cover 40 And the other side is fixed to the packing cover 60 through the second through hole 44 of the side cover 40 and the support hole 22 of the side cover 21 of the illumination main body 20 is inserted into the inside of the packing cover 60 . The fixing bolt (50) is fixed to the packing cover (60) by being fixed to the fixing member (51) when fixed to the packing cover (60). Then, the fixing member 51 and the fixing bolt 50 are sealed by the O-ring 52. The fixture 51 is formed in an elliptical or quadrangular shape so that the portion fixed to the packing cover 60 is not rotated but rotated. That is, since screws are formed on both sides of the fixing bolt 50 and are screwed to the fixing groove 43 of the side cover 40 and the fixing member 51, the screw is not loosened due to shock or vibration.

The packing cover 60 is formed so as to surround the side cover 40. The packing cover 60 includes a side cover 40 disposed inside and an inner side formed at an end of the packing cover 60 so as to stop the release of the side cover 40 Is formed. A through hole 62 is formed in the packing cover 60 at one side so that a cable gland 80 having an explosion-proof structure through which a power line is passed is connected to the LED of the lighting main body 20, An insertion groove 63 is formed on the inside of the cover 60 so that the fixing hole 51 of the fixing bolt 50 is inserted and positioned.

5, the pressure-proof explosion-proof LED illumination lamp 10 further includes a fixing bracket 90. [

The fixing bracket 90 is formed so as to surround the packing cover 60 and has a coupling band 91 which is bent at both ends to be coupled by the coupling member and is formed on the coupling band 91, (92).

One end of the coupling band 91 is opened so that the packing cover 60 is positioned and the two end portions bent are fastened through the fastening member so that the fastening force of the fastening member causes the fastening band 91 to be more firmly attached to the packing cover 60 So that it can be securely fixed to the mounting point, that is, the wall portion, by the fixing portion 92.

As described above, according to the explosion-proof LED illumination lamp 10 of the present invention, even if an explosion occurs in the illumination main body 20 due to the structure in which the illumination main body 20 located inside is sealed without being exposed to the outside, Is prevented from propagating.

Particularly, by applying the conductive epoxy paint 31 in the longitudinal direction on the outer circumferential surface of the grooves 30, it is possible to prevent static electricity by the epoxy resin and to prevent the explosion which may be caused by the spark due to static electricity outside the lamp It is effective.

Although the exemplary embodiments of the present invention have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. It will be appreciated by those of ordinary skill in the art that changes are possible.

10: Explosion-proof LED light
20: illuminating body 21: side cover
30: Groove 31: conductive epoxy paint
40: Side cover 50: Fixing bolt
60: packing cover 70: O-ring
80: Cable gland 90: Fixing bracket
91: coupling band 91:

Claims (6)

A rectangular illumination body 20 having LEDs installed therein and a side cover 21 on both sides thereof;
A groove (30) formed in a cylindrical shape and having the illumination body (20) installed therein, for emitting light of the LED of the illumination body (20) to the outside;
A side cover (40) hermetically joined to a part of an outer circumferential surface of both ends of the grove (30);
A rectangular fixing bolt 50 fixed at both ends to the side cover 40 and supported by the side cover 21 of the lighting body 20;
A packing cover 60 formed to surround the side cover 40;
And an O-ring (70) positioned between both ends of the groove (30) and the side cover (40).
The method according to claim 1,
Wherein the grooves (30) are coated with a conductive epoxy paint (31) in the longitudinal direction on the outer circumferential surface.
3. The method of claim 2,
Wherein the grooves (30) are made of a polycarbonate material.
The method according to claim 1,
A cable gland 80 having an explosion-proof structure that penetrates through the side cover 40 and the packing cover 60 formed at one side and has a power supply line through which power is supplied to the LED of the lighting main body 20, Resistant explosion-proof LED illumination lamp.
The method according to claim 1,
The fastening bolt 50 is fixed to the packing cover 60 by fastening the fasteners 51 on both sides thereof,
Wherein the fixing bolt (50) and the fixing member (51) are watertight and sealed by an O-ring (52).
The method according to claim 1,
A fixing part 92 formed to surround the packing cover 60 and having a coupling band 91 which is bent at both ends and is fastened by a fastening member and which is formed on the coupling band 91 and fixed to an installation point, Further comprising a fixing bracket (90) having a bottom surface and a bottom surface.
KR1020180010651A 2018-01-29 2018-01-29 Explosion proof LED light KR101864138B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101962274B1 (en) * 2018-10-29 2019-03-26 (주)큐라이트 Explosion proof LED light
KR102301830B1 (en) * 2021-05-25 2021-09-14 주식회사 쓰리지 Lighting apparatus for encapsulation enclosure
KR102305197B1 (en) * 2021-03-10 2021-09-24 구자송 Flameproof lighting fixture
KR20220108327A (en) 2021-01-27 2022-08-03 재단법인한국조선해양기자재연구원 Explosion pressure reduction device for explosion-proof light
KR20220154988A (en) * 2021-05-14 2022-11-22 (주)우신에이펙 Cylinder Type Explosion Proof Lamp Slope Fixture

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CN201050761Y (en) * 2007-06-15 2008-04-23 典丽照明(东莞)有限公司 Lighting lamp for explosion resistance of engineering
KR100910539B1 (en) 2008-09-29 2009-07-31 화우테크놀러지 주식회사 Explosion free lamp with led
JP2010198828A (en) * 2009-02-24 2010-09-09 Shihen Tech Corp Lighting device
KR200459504Y1 (en) 2011-05-20 2012-03-27 엘이디에스티 주식회사 LED Light Module For Explosion Proof Lamp
CN102777775A (en) * 2011-05-11 2012-11-14 深圳市旭光照明有限公司 Light-emitting diode (LED) anti-explosion lamp tube and anti-explosion lamp using same
KR20150020886A (en) * 2013-08-19 2015-02-27 미미라이팅주식회사 Fixing Device For Straight Type LED Lamp And, Straight Type LED Lighting Apparatus Including The Same
WO2015048656A1 (en) * 2013-09-27 2015-04-02 Hayward Industries, Inc. Light with expanding compression member
JP5842113B2 (en) * 2010-12-16 2016-01-13 パナソニックIpマネジメント株式会社 Illumination light source and illumination device
US20160356433A1 (en) * 2015-06-08 2016-12-08 Dongguan Jiasheng Lighting Technology Co. Ltd Lamp mounting structure
JP2016225158A (en) * 2015-06-01 2016-12-28 嵯峨電機工業株式会社 Luminaire
KR20170087622A (en) * 2016-01-21 2017-07-31 삼상이엔지(주) LED Lighting With Double Waterproof Structure

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201050761Y (en) * 2007-06-15 2008-04-23 典丽照明(东莞)有限公司 Lighting lamp for explosion resistance of engineering
KR100910539B1 (en) 2008-09-29 2009-07-31 화우테크놀러지 주식회사 Explosion free lamp with led
JP2010198828A (en) * 2009-02-24 2010-09-09 Shihen Tech Corp Lighting device
JP5842113B2 (en) * 2010-12-16 2016-01-13 パナソニックIpマネジメント株式会社 Illumination light source and illumination device
CN102777775A (en) * 2011-05-11 2012-11-14 深圳市旭光照明有限公司 Light-emitting diode (LED) anti-explosion lamp tube and anti-explosion lamp using same
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KR20150020886A (en) * 2013-08-19 2015-02-27 미미라이팅주식회사 Fixing Device For Straight Type LED Lamp And, Straight Type LED Lighting Apparatus Including The Same
WO2015048656A1 (en) * 2013-09-27 2015-04-02 Hayward Industries, Inc. Light with expanding compression member
JP2016225158A (en) * 2015-06-01 2016-12-28 嵯峨電機工業株式会社 Luminaire
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101962274B1 (en) * 2018-10-29 2019-03-26 (주)큐라이트 Explosion proof LED light
KR20220108327A (en) 2021-01-27 2022-08-03 재단법인한국조선해양기자재연구원 Explosion pressure reduction device for explosion-proof light
KR102305197B1 (en) * 2021-03-10 2021-09-24 구자송 Flameproof lighting fixture
KR20220154988A (en) * 2021-05-14 2022-11-22 (주)우신에이펙 Cylinder Type Explosion Proof Lamp Slope Fixture
KR102579775B1 (en) * 2021-05-14 2023-09-21 (주)우신에이펙 Cylinder Type Explosion Proof Lamp Slope Fixture
KR102301830B1 (en) * 2021-05-25 2021-09-14 주식회사 쓰리지 Lighting apparatus for encapsulation enclosure

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