KR101373845B1 - Led lightening instrument for clean room - Google Patents

Abstract

The present invention relates to an LED lightening device for a cleaning room. A front lightening device assembly and a rear lightening device assembly are interlocked with a lower part and an upper part of a ceiling panel connection part for the cleaning room. An LED rear plate is detached to the upper surface of the rear lightening device assembly. The present invention is provided to conveniently replace an LED mounting rear plate with the ceiling panel connection part; to limit the generation of sealed result particles when the present invention is installed in the cleaning room; and to keep safely the cleaning room from external shock.

Description

LED lighting luminaire for clean room {LED lightening instrument for clean room}

The present invention relates to an LED lighting luminaire for a clean room, and more particularly, to an LED lighting luminaire for a clean room for maximizing sealing performance and maximizing particle generation when the LED lighting luminaire is mounted in the clean room.

Clean room facilities are generally manufacturing processes of ultra-precision products such as semiconductors, electronic parts, clocks, optical instruments, computers, hospital facilities such as microbiological laboratory, genetic manipulation room, infectious disease laboratory, sterile surgery room and newborn room, and food processing and pharmaceutical company laboratory. And it is necessary to be used in the intensive care unit, etc. to block the outdoors.

These cleanroom facilities require different levels of internal cleanliness depending on the application, but first, the charging agent requires minimizing airborne particulates. Therefore, all appliances and cleanroom facilities in the cleanroom should exclude the cause of the generation of particulates.

In particular, in the technical field, there is a demand for technology development for maximizing sealing property when installing lighting luminaires in a clean room and maximizing suppression of particle generation such as fine particles.

[Related Technical Literature]

1. Lighting equipment for clean room (Patent Application No. 10-2005-0052288)

2. Fluorescent lighting fixture for cleanroom (Patent Application No. 10-2007-0053949)

The present invention is to solve the above problems, to provide an LED lighting luminaire for a clean room to provide an assembly structure for replacing the rear plate equipped with the LED from the ceiling panel of the clean room conveniently and safely. .

In addition, the present invention is to provide an LED lighting luminaire for a clean room for maximizing the sealing performance when mounting the LED lighting luminaire in the clean room, maximizing the suppression of particle generation.

In addition, the present invention is to provide an LED lighting luminaire for a clean room for maximizing hermeticity in the clean room, so that it can be firmly and stably supported even in the event of external vibrations such as earthquakes and impacts.

However, the objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the LED lighting luminaire for a clean room according to an embodiment of the present invention may be based on a ceiling panel fastening end of each of the front and rear lightening apparatus assemblies and the rear lightening apparatus assembly. It is engaged with the lower and the upper portion to have a structure in which the LED rear plate (LED rear plate) is attached to the upper surface of the rear light assembly (Rear lightening apparatus assembly).

At this time, the front luminaire assembly is formed by combining four linear aluminum profiles, each of the aluminum profile frame is formed aluminum profile frame is formed with a convex upwardly projecting upward end in the center of the width; A glass window inserted into a rectangular plate shape in an inner circumferential surface of the upwardly protruding end formed on the aluminum profile frame; And a diffuser window having a shape identical to that of the glass window on an upper portion of the induction window. .

The front luminaire assembly may further include a push bracket formed on at least four edges of an upper surface of the diffuser window to provide a structure to be engaged when the front luminaire assembly is pushed to the ceiling panel fastening end; .

In addition, the front luminaire assembly includes a front bracket for fixing each corner of the rectangular shape when each aluminum profile inside the aluminum profile frame is coupled; .

The front luminaire assembly may further include a sponge front cushion end formed in a rectangular rim shape along an inner circumferential surface of an upwardly protruding end formed between the aluminum profile frame and the glass window on the aluminum profile frame; .

In addition, the front luminaire assembly has a rectangular rim shape along the outer circumferential surface of the upwardly protruding end formed on the aluminum profile frame and the front luminaire assembly when the front luminaire assembly and the rear luminaire assembly are fastened about the ceiling panel fastening end. A front closure end positioned between the ceiling panel fastening ends; .

In addition, the front closed end is preferably formed of a foam (foam) rubber material for the impact relief when the front luminaire assembly and the ceiling panel fastening end.

In this case, the rear luminaire assembly has a rectangular plate-shaped frame as a basic structure, and a downward protrusion end is formed around an edge so as to be vertically coupled with an upward protrusion end formed in each aluminum profile constituting the aluminum profile frame and the ceiling panel fastening end therebetween. A rear frame having a structure; .

In addition, the rear frame preferably has a structure in which the edge portion of the rectangular plate shape is over the top of the ceiling panel fastening end.

The rear luminaire assembly may include: a rear closure end of a sponge material formed in a rectangular rim shape for cushioning and sealing the impact between the rear frame and the ceiling panel fastening end when placed on the ceiling panel fastening end; .

At this time, the LED mounting rear plate is mounted with a plurality of LED elements, and receives a DC power from the DC power conversion unit, LED mounting PCB substrate for driving the plurality of LED elements; And a rear plate formed in a rectangular plate shape on an upper surface of the LED mounting PCB substrate. .

In addition, the rear plate is preferably formed on the upper surface of the DC power conversion unit and the handle portion for separating the LED mounting rear plate from the rear luminaire assembly.

Further, in order to show the effect of the present invention more prominently, "d1" which is the length of the long side in the aluminum profile frame which is the rectangular edge shape formed by the four aluminum profiles, the width of the rectangular edge shape at the front closed end "D2" corresponding to "d3" corresponding to the width of the rectangular edge shape in the front cushion end, "d4" which is the length of the long side in the rear frame of the rectangular plate shape, the rectangular edge shape in the rear closed end D1: d2: d3: d4: d5: d6 having a relationship of “d5” corresponding to the width and “d6” which is the length of the long side in the rear plate of the rectangular plate shape is from 19 to 21: 1.2 to 1.3: 1: 1: 19.5 to It is preferably formed from 21.5: 0.8 to 0.9: 17 to 18.

At this time, the length of the long side x short side of the ceiling panel fastening end is formed of three types of 1300mm × 300mm, 600mm × 600mm, 450mm × 450mm, the height w2 of the ceiling panel fastening end is formed of 50mm or 70mm It is preferable to be.

In addition, w1 which is the height of the whole including the upwardly protruding end in the aluminum profile frame, w2 which is the height of the ceiling panel fastening end, w3 which is the total height including the downwardly protruding end in the rear frame, and w4 which is the height of the rear plate. The relationship w1: w2: w3: w4 is preferably 1: 2.3 to 2.5: 2.2 to 2.3: 1.5 to 1.8, wherein d6 is 1210 mm, and w2 is 50 mm, and an optimized effect is derived.

In addition, h1: h2: h3, which is a relationship between h1, the height of the front cushion end, h2, the height of the front cushion end, and h3, the height of the rear closed end, may be formed from 1: 1.3 to 1.7: 2.5 to 3.5, wherein It is preferable that h1 is 2 mm.

In addition, the handle portion is formed of a first handle and a second handle, each of the first handle and the second handle is formed by the same length L1 at the end of each side of the rear plate. At this time, d6: L1 is a relationship between the d6 and the L1 is preferably formed in 6.8 to 7.2: 1.

The LED lighting luminaire for a clean room according to an embodiment of the present invention provides an effect to conveniently and safely replace the LED mounting rear plate from the ceiling panel fastening end of the clean room.

In addition, the LED lighting luminaire for the clean room according to another embodiment of the present invention, when mounted in the clean room provides a structural design that can maximize the sealing and suppression of particle generation.

In addition, the LED lighting luminaire for the clean room according to another embodiment of the present invention, as a side effect of maximizing the sealing in the clean room, can be firmly supported and fixed stably even when external vibration such as earthquake, impact.

1 is a view showing an exploded state viewed from the side for explaining the components of the LED lighting luminaire for a clean room according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view (FIG. 2A) for explaining particle generation suppression structure when sealing and detaching the LED lighting luminaire for the clean room in FIG. 1, and the state in which the LED lighting luminaire for the clean room is combined with the ceiling panel fastening end in more detail. Partially enlarged cross-sectional view (FIG. 2B) for viewing.
Figure 3 is a perspective view of the components disassembled for explaining the components of the LED lighting luminaire for the clean room of Figure 1;
4 is a view showing a state in which the perspective view of the disassembled state in FIG. 3 divided by general components.
5 is a perspective view from above of a state in which a component of a clean room LED lighting fixture according to an embodiment of the present invention is coupled to a ceiling panel fastening end;
Figure 6 is a perspective view from below of a state in which a component of a clean room LED lighting fixture according to an embodiment of the present invention is coupled to the ceiling panel fastening end.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a detailed description of preferred embodiments of the present invention will be given with reference to the accompanying drawings. In the following description of the present invention, detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a view showing an exploded state viewed from the side for explaining the components of the LED lighting luminaire for a clean room according to an embodiment of the present invention. FIG. 2 is a cross-sectional view (FIG. 2A) illustrating the structure of suppressing particle generation during sealing and detaching of the LED lighting luminaire for the clean room in FIG. 1, and a state in which the LED lighting luminaire for the clean room is coupled with the ceiling panel fastening end 1; A partially enlarged cross-sectional view (FIG. 2B) to look at in more detail. Figure 3 is a perspective view of the components disassembled for explaining the components of the LED lighting luminaire for the clean room of Figure 1; 4 is a diagram illustrating a state in which the perspective view of the disassembled state in FIG. 3 is divided by general components. 5 is a perspective view from above of a state in which a component of a LED lighting luminaire for a clean room according to an embodiment of the present invention is coupled to a ceiling panel fastening end 1. 6 is a perspective view from below of a state in which the components of the LED lighting luminaire for the clean room according to the embodiment of the present invention are coupled to the ceiling panel fastening end 1.

1 to 6, the LED lighting luminaire for the clean room may include a front lightening apparatus assembly 10, a rear lightening apparatus assembly 20, and an LED rear plate 30. ).

The front luminaire assembly 10 and the rear luminaire assembly 20 have a ceiling panel fastening end 1 interposed therebetween, and the front luminaire assembly 10 is upward from the ceiling panel fastening end 1 and the rear luminaire assembly ( 20 is fastened by abutting downward from the top of the ceiling panel fastening end (1).

The front luminaire assembly 10 includes an aluminum profile frame 11, a front bracket 11a, a front cushion end 12, a glass window 13, a diffuser window 14, a push bracket 15 And a front closure end 16.

The aluminum profile frame 11 is formed by combining four linear aluminum profiles, and the combined shape forms a rectangular edge shape having a long length of "d1" as a whole, and each aluminum profile is convex upward in the center of the width. The soaring upward protrusion end 11b is formed. In this case, the height including the upward protrusion end 11b in the aluminum profile frame 11 is formed as w1.

The front bracket 11a is provided to prevent the aluminum profile frame 11 from being shaken or twisted by the external force by being fastened to each corner of the rectangular edge shape when the respective linear profiles inside the aluminum profile frame 11 are coupled.

The front cushion end 12 has a rectangular rim shape along the inner circumferential surface of the upwardly protruding end 11b formed on the aluminum profile frame 11 so as to reduce the impact when the glass window 13, which will be described later, is placed on top. It is formed to have a width corresponding to the cross section of the rectangular shape is formed to have a "d3". Here, the height of the front cushion end 12 is formed of "h2".

The glass window 13 is formed by being placed on top of the front cushion end 12 formed along the inner circumferential surface of the upwardly protruding end 11b formed on the aluminum profile frame 11, and again the same size on the upper part of the glass window 13. The diffuser window 14 is formed.

At least four push brackets 15 are formed at the edge of the diffuser window 14, and preferably eight are formed as shown in the drawing, and fastening the front luminaire assembly 10 having the push brackets 15 to the ceiling panel. It is formed to fasten to the end (1).

The front sealing end 16 has a rectangular rim shape along the outer circumferential surface of the upwardly protruding end 11b formed on the aluminum profile frame 11, and the front luminaire assembly 10 and the rear luminaire assembly 20 have a ceiling panel fastening end 1. At the time of fastening with respect to the center) is formed at a position between the front luminaire assembly 10 and the ceiling panel fastening end (1). The front closed end 16 is formed of a foam rubber material to alleviate the impact when the front luminaire assembly 10 is fastened to the ceiling panel fastening end 1, and the width corresponding to the rectangular cross section is "d2". It is formed to have. Here, the height of the front cushion end 16 is formed of "h1".

The rear luminaire assembly 20 includes a rear closure end 21 and a rear frame 22.

The rear closure end 21 is formed between the rear frame 22 and the ceiling panel fastening end 1 at the edge portion in the rectangular plate shape formed by the rear frame 22. More specifically, the rear closure end 21 is formed in a rectangular border along the outer circumferential surface of the downwardly protruding end 22a to be described later in the lower portion of the rear frame 22.

The rear closure end 21 is formed of a sponge material for cushioning and sealing the impact between the rear frame 22 and the ceiling panel fastening end 1 when the rear frame 22 is placed on the ceiling panel fastening end 1. , The width corresponding to the rectangular cross section is formed to have "d5". Here, the height of the rear closure end 21 is formed of "h3".

The rear frame 22 has a rectangular plate-shaped frame as a basic structure, and an upwardly protruding end 11b formed in each linear aluminum profile constituting the aluminum profile frame 11 is vertical with the ceiling panel fastening end 1 interposed therebetween. Downwardly projecting end (22a) has a structure formed around the edge so as to be coupled to.

Accordingly, the rear frame 22 has a structure in which an edge portion of a rectangular plate shape extends over the ceiling panel fastening end 1.

On the other hand, the entire height including the downward protrusion 22a in the rear frame 22 is formed as w3, and the downward protrusion 22a is convexly soared downward of the rear frame 22 having a rectangular plate shape. Is formed. And the height of the ceiling panel fastening end 1 is formed to w2. The rear frame 22 forms the shape of a rectangular plate whose long side length is "d4".

The LED mounting rear plate 30 includes an LED mounting PCB substrate 31, a rear plate 32, a DC power converter 33, and a handle 34.

The LED mounting PCB substrate 31 is mounted with a plurality of LED elements, receives a DC power from the DC power conversion unit 33, and drives a plurality of LED elements.

The rear plate 32 is formed on the LED mounting PCB substrate 31, is formed in a rectangular plate shape, the upper surface has a structure in which the DC power conversion unit 33 and the handle portion 34 is formed. On the other hand, the rear plate 32 has a long side length of d6 and a height of w4.

The handle portion 34 is formed of a first handle 34a and a second handle 34b, and each of the first handle 34a and the second handle 34b has a length at an end of each side of the rear plate 32. Formed by L1.

The height w2 of the ceiling panel fastening end 1 can be formed in 50mm or 70mm. In addition, the ceiling panel fastening end 1 can be formed into three types of long side length x short side length of 1300mm × 300mm, 600mm × 600mm, 450mm × 450mm. Hereinafter, the height w2 of the ceiling panel fastening end 1 is 50 mm, the length of the ceiling panel fastening end 1 is 1300 mm x 300 mm for the length of the long side x 1300 mm for the length of the short side, 1210 mm for the d6, and h1 is 2 mm. The relationship between the height and width parameters, and the sealing of the LED lighting luminaires for the clean room and the relationship between the suppression of particle generation during detachment of the LED rear plate (LED rear plate) 30 will be described.

"D1" which is the length of the long side in the aluminum profile frame 11 which is the rectangular edge shape formed by the four linear aluminum profiles which make up, "d2" which corresponds to the width of the rectangular edge shape in the front closed end 16, "D3" corresponding to the width of the rectangular rim at the front cushion end 12, "d4" the length of the long side in the rectangular rear frame 22, the width of the rectangular rim at the rear closed end 21 The relationship between "d5" corresponding to "d6" which is the length of the long side in the rectangular plate-shaped rear plate 32 is d1: d2: d3: d4: d5: d6 = 19 to 21: 1.2 to 1.3: 1: It is preferably formed from 19.5 to 21.5: 0.8 to 0.9: 17 to 18.

The relationship between the sealing properties and the particle generation suppression upon detachment to the rear luminaire assembly 20 for the LED mounted rear plate (LED rear plate 30) was shown in the following table. Here, the sealability was carried out through a waterproof test from the outside. Further, the relationship between the particle generation suppression and the particle generation suppression when the attachment / detachment to the rear luminaire assembly 20 with respect to the LED-mounted rear plate 30 is carried out is that the LED-mounted rear plate 30 and the rear luminaire assembly 20 with the particle collection device. Performance was tested on the basis of whether more than 15 ppm of particles per square meter of desorption and adhesion of liver were generated.

Test Example d1: d2: d3: d4: d5: d6 Whether the sealing test is suitable Particulate Test Compliance One 22: 1.2 to 1.3: 1: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 NO NO 2 19 to 21: 1.4: 1: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 NO NO 3 19 to 21: 1.2 to 1.3: 2: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 NO NO 4 19 to 21: 1.2 to 1.3: 1: 22.5: 0.8 to 0.9: 17 to 18 NO NO 5 19 to 21: 1.2 to 1.3: 1: 19.5 to 21.5: 1.0: 17 to 18 NO NO 6 19: 1.2 to 1.3: 1: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 OK OK 7 20: 1.2 to 1.3: 1: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 OK OK 8 21: 1.2 to 1.3: 1: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 OK OK 9 18: 1.2 to 1.3: 1: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 NO NO 10 19 to 21: 1.1: 1: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 NO NO 11 19 to 21: 1.2 to 1.3: 0.9: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 NO NO 12 19 to 21: 1.2 to 1.3: 1: 18.5: 0.8 to 0.9: 17 to 18 NO NO 13 19 to 21: 1.2 to 1.3: 1: 19.5 to 21.5: 0.7: 17 to 18 NO NO 14 19 to 21: 1.2 to 1.3: 1: 19.5 to 21.5: 0.8 to 0.9: 16 NO NO 15 19 to 21: 1.2 to 1.3: 1: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 NO NO

In this case, w1 which is the height of the whole including the upwardly protruding end 11b in the aluminum profile frame 11, w2 which is the height of the ceiling panel fastening end 1, and the downwardly protruding end 22a in the rear frame 22 are included. It is preferable that the relationship between the total height w3 and the height w4 of the rear plate 32 is 1: 2.3 to 2.5: 2.2 to 2.3: 1.5 to 1.8.

The relationship between h1, which is the height of the front cushion stage 16, h2, which is the height of the front cushion stage 12, and h3, which is the height of the rear closed end 21, is 1: 1.3 to 1.7: 2.5 for h1: h2: h3. It is preferably formed to 3.5.

On the other hand, "d6" which is the length of the long side in the rear plate 32, and the length from the end of the side surface of the rear plate 32 in which the 1st handle 34a and the 2nd handle 34b were formed on the rear plate 32, When d6: L1, which is related to "L1", is formed in 6.8 to 7.2: 1, the rear in the state of weakest tensile strength when the first handle 34a and the second handle 34b which are both handles are pulled out. It is experimentally confirmed that the front luminaire assembly 10 is separated from the luminaire assembly 20 as shown in Table 2 below.

Test Example d6: L1 Tensile force (kN) One 6.6: 1 0.012 2 6.7: 1 0.013 3 6.8: 1 0.009 4 6.9: 1 0.008 5 7.0: 1 0.009 6 7.1: 1 0.007 7 7.2: 1 0.007 8 7.3: 1 0.011 9 7.4: 1 0.012

As described above, preferred embodiments of the present invention have been disclosed in the present specification and drawings, and although specific terms have been used, they have been used only in a general sense to easily describe the technical contents of the present invention and to facilitate understanding of the invention , And are not intended to limit the scope of the present invention. It is to be understood by those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

1: Ceiling panel fastening end
10: Front lightening apparatus assembly
11: aluminum profile frame
11a: front bracket
11b: upward protrusion
12: front cushion stage
13: Glass Window
14: Diffuser Window
15: Push Bracket
16: front closed end
20: Rear lightening apparatus assembly
21: rear closure
22: rear frame
22a: downward protrusion
30: LED rear plate
31: LED Mounting PCB Board
32: rear plate
33: DC power conversion unit
34: Handle portion

Claims (20)

Each of the front lightening apparatus assembly and the rear lightening apparatus assembly are engaged with each other at the bottom and the top with respect to the ceiling panel fastening end for the clean room.
The LED mounting rear plate (LED rear plate) is attached to the upper surface of the rear luminaire assembly has a structure,
The front luminaire assembly may include: an aluminum profile frame having four linear aluminum profiles coupled thereto, each of the aluminum profiles having an upwardly protruding end projecting upwardly convexly at the center of the width; A glass window inserted into a rectangular plate shape in an inner circumferential surface of the upwardly protruding end formed on the aluminum profile frame; And a diffuser window on the glass window, the diffuser window having the same shape as the glass window. Clean room LED lighting luminaires comprising a.
delete The method of claim 1, wherein the front luminaire assembly,
At least four push brackets formed on an edge of an upper surface of the diffuser window to provide a structure to be fastened when the front luminaire assembly is pushed to the ceiling panel fastening end; Clean room LED lighting luminaires further comprising a.
The method of claim 1, wherein the front luminaire assembly,
A front bracket for fixing each corner of a rectangular shape when the aluminum profiles inside the aluminum profile frame are combined; Clean room LED lighting luminaires further comprising a.
The method of claim 1, wherein the front luminaire assembly,
A front cushion end of a sponge material formed in a rectangular edge shape along an inner circumferential surface of an upwardly protruding end formed on the aluminum profile frame between the aluminum profile frame and the glass window; Clean room LED lighting luminaires further comprising a.
The method of claim 5, wherein the front luminaire assembly,
Between the front luminaire assembly and the ceiling panel fastening end when the front luminaire assembly and the rear luminaire assembly are fastened around the ceiling panel fastening end in a rectangular rim shape along the outer circumferential surface of the upwardly protruding end formed on the aluminum profile frame. Located front closed end; Clean room LED lighting luminaires further comprising a.
The method of claim 6, wherein the front closed end,
Clean room LED lighting luminaires, characterized in that the foam is formed of a foam (Foam) rubber material in order to mitigate the impact when the front luminaire assembly and the ceiling panel fastening end.
The method of claim 6, wherein the rear luminaire assembly,
A rear frame having a structure in which a downwardly projecting end is formed around an edge such that an upwardly protruding end formed in each aluminum profile constituting the aluminum profile frame and a ceiling panel fastening end are interposed therebetween with a rectangular plate-shaped frame as a basic structure; Clean room LED lighting luminaires comprising a.
The method of claim 8, wherein the rear frame,
Clean room LED lighting luminaires, characterized in that the rectangular plate-shaped edge portion has a structure that spans the top of the ceiling panel fastening end.
The method of claim 9, wherein the rear luminaire assembly,
A rear closure end of a sponge material formed in a rectangular rim shape to reduce impact and seal between the rear frame and the ceiling panel fastening end when placed on an upper portion of the ceiling panel fastening end; Clean room LED lighting luminaires further comprising a.
The method according to claim 10, wherein the LED mounting rear plate,
A plurality of LED elements mounted thereon, the LED mounting PCB substrates receiving DC power from a DC power conversion unit to drive the plurality of LED elements; And
A rear plate formed in a rectangular plate shape on an upper surface of the LED mounting PCB substrate; Clean room LED lighting luminaires comprising a.
The method according to claim 11, The rear plate,
The DC power conversion unit on the upper surface,
And a handle portion for separating the LED mounting rear plate from the rear luminaire assembly.
The method of claim 12,
"D1" which is the length of the long side in the aluminum profile frame which is a rectangular rim shape formed by the four aluminum profiles, "d2" corresponding to the width of the rectangular rim shape in the front closed end, and the rectangular in the front cushion end "D3" corresponding to the width of the rim shape, "d4" which is the length of the long side in the rear frame of the rectangular plate shape, "d5" corresponding to the width of the rectangular rim shape at the rear closed end, said rectangular plate shape D1: d2: d3: d4: d5: d6 which is a relationship of "d6" which is the length of the long side in the rear plate is formed from 19 to 21: 1.2 to 1.3: 19.5 to 21.5: 0.8 to 0.9: 17 to 18 LED light luminaire for clean room.
The method according to claim 13,
The length of the long side x short side of the ceiling panel fastening end is formed in three types: 1300mm × 300mm, 600mm × 600mm, 450mm × 450mm,
The height w2 of the ceiling panel fastening end is,
LED lighting luminaires for clean rooms, characterized in that formed in 50mm or 70mm.
The method according to claim 13,
The relationship between w1 which is the height of the whole including the upwardly protruding end in the aluminum profile frame, w2 which is the height of the ceiling panel fastening end, w3 which is the overall height including the downwardly protruding end in the rear frame, and w4 which is the height of the rear plate. w1: w2: w3: w4 is 1: 2.3 to 2.5: 2.2 to 2.3: LED lighting luminaires for the clean room, characterized in that formed.
The method according to claim 15, wherein d6 is
1210 mm
W2 is,
LED lighting fixtures for clean rooms, characterized in that 50mm.
16. The method of claim 15,
H1: h2: h3, which is a relationship between h1, which is the height of the front cushion stage, h2, which is the height of the front cushion stage, and h3, which is the height of the rear closure stage, is formed in a range of 1: 1.3 to 1.7: 2.5 to 3.5. LED lighting luminaire for clean room.
The method according to claim 17, wherein h1,
LED lighting luminaires for clean rooms, characterized in that 2mm.
The method of claim 17, wherein the handle portion,
Formed of a first handle and a second handle,
Each of the first handle and the second handle,
The LED lighting luminaire for the clean room, characterized in that formed from the end of each side of the rear plate by the same length L1.
The method of claim 19,
The d6 and the relationship between the said d6 and L1: L1 is 6.8 to 7. 2: 1: LED lighting luminaires for the clean room, characterized in that formed.

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