KR101085094B1 - Lighting apparatus for cleanroom - Google Patents

Abstract

The present invention relates to a luminaire for a clean room, and more particularly, the assembly operation can be performed easily and quickly, and even when external vibration such as an earthquake or impact occurs, the floodlight can be stably supported and fixed. It relates to a luminaire for a clean room.

The luminaire for a clean room of the present invention includes a connecting frame installed in an opening of a ceiling panel, a lower frame connected to a lower side of the connecting frame, and a light emitting window is installed, and an upper portion connected to an upper side of the connecting frame and installed inside the lamp frame. In the luminaire for a clean room provided with a cover frame, the lower frame, a ceiling seating portion to be seated on the bottom surface of the ceiling panel, a light emitting window seating portion on which the floodlight is seated, and protrudes in a position corresponding to the connecting frame and a plurality A bolt mounting hole having a perforated frame seating portion, the locking member protruding and formed to be inserted into a temporary assembly hole formed in the connection frame so as to maintain a temporary assembly state when assembling the connection frame, and the locking member is seated And an installation groove recessed downward in an upper surface of the frame seating portion to be installed, and the installation groove is So in the frame and the connecting frame is connected with each other, such clearance is not formed as compared with the thickness of the engaging portion of the engaging member or to have a depth of greater dimensions is characterized in that the concave inlet.

As a result, since the fastening operation can be easily performed while the lower frame is preassembled to the connection frame, the worker can perform the assembly work conveniently and quickly without having to lift the lower frame for a long time. As a result, workability is improved during installation and maintenance, and construction time can be shortened and construction costs can be reduced.

Clean room, luminaire, temporary assembly, locking member

Description

LIGHTING APPARATUS FOR CLEANROOM

The present invention relates to a luminaire for a clean room, and more particularly, the assembly operation can be performed easily and quickly, and even if external vibration such as an earthquake or impact occurs, the floodlight can be stably supported and fixed. It relates to a luminaire for a clean room.

In general, places such as pharmaceutical companies' labs and manufacturing lines, manufacturing lines of ultra-precision products such as semiconductors, and microbial laboratories use clean room facilities constructed to completely block foreign substances such as bacteria and dust from the outside. have.

Clean room facilities are not only basic facilities such as exterior walls and entrances of buildings, but also luminaires installed on the ceiling, and are designed to block foreign substances such as bacteria and dust from the outside.

The clean room luminaire has a unique structure in consideration of the specificity of the installation place and the difficulty of maintenance, and various types of things have been developed and installed due to the increase of the clean room facilities.

For example, the luminaire for the clean room has a main body 110 which is mounted on the ceiling frame 200 with fluorescent lamps as shown in Korean Patent Registration No. 10-0872436 (see FIG. 1), of the main body 110. The connector 120 is fastened to the lower surface of the ceiling frame 200 while being fastened to the lower portion of the connector 120 is fastened to the lower surface of the ceiling frame 200 and is composed of a light-transmitting part 130 having a transparent glass have.

And, as shown in Figure 2, the light transmitting portion 130 is composed of a transparent glass 134 and a coupling member 132 is installed on the edge of the transparent glass 134, the coupling member 132 is installed on the ceiling panel Being made of a support 132a, and the support 132b is configured on the upper side to be bolted fastening with the support 132a.

The support hole 132a has a panel seating part seated on the ceiling panel, and a glass seating part on which the light-transmitting glass 134 is placed in the horizontal direction, and a connector seating part in which bolt fastening holes are formed to be fastened to the connector 120 upward. It protrudes upward, and the upper portion of the glass seating part is fastened to the fastener 132b and the bolt fastening boss for bolt fastening.

The above-described luminaire for clean room can be used as a luminaire that can hermetically seal the outside and the inside of the clean room, but the construction period is increased and maintained because there are many components and the structural complexity is difficult to assemble and takes a lot of assembly time. The disadvantage is that it takes a lot of time to repair. That is, in order to install the support 132a and the transparent glass 132 on the connector 120 side, a separate fixing tool 132b should be provided and two bolts should be fastened. Fastening holes and bolted bosses for fastening shall be formed.

Particularly, in the case where the support hole 132a including the floodlight glass 132 is to be assembled to the connector 120, a worker located below the ceiling panel lifts the support port 132a including the floodlight glass 132 and lifts the connector. The operator is located in the upper part of the ceiling panel in the state of being placed in the binding position of the bolt is carried out by fastening the bolts, at this time, it is difficult to match the support 132a and the connector 120 with each other, Since the worker has to maintain the state lifted for a long time, it is difficult to assemble and takes a lot of time, as well as the workability is significantly reduced.

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above-described contents, and an object thereof is to provide a luminaire for a clean room in which workability is improved during installation and maintenance by allowing the assembly work to be performed easily and quickly.

Another object of the present invention is to provide a luminaire for a clean room that can improve durability and secure the stability of the clean room by firmly and stably supporting and fixing the floodlight window even when an external vibration such as an earthquake or impact occurs. will be.

In order to achieve the above object, the luminaire for the clean room according to the present invention is connected to the connecting frame is installed in the opening of the ceiling panel, the lower frame is connected to the lower side of the connecting frame and the floodlight is installed, and the upper side of the connecting frame In a luminaire for a clean room having an upper cover frame having a lamp device installed therein, the lower frame includes a ceiling seating portion seated on a bottom surface of the ceiling panel, a light emitting window seating portion on which the floodlight window is seated, and the connection frame. And a frame seating part protruding at a position corresponding to the hole and having a plurality of bolt fastening holes drilled therein, the protrusion being protruded and formed to be inserted into a temporary assembly hole formed in the connection frame so as to maintain a temporary assembly state when assembling the connection frame. A member and an installation groove recessed downward in the upper surface of the frame mounting portion so that the locking member is seated and installed And the installation groove is recessed to have a depth equal to or greater than that of the engaging portion of the locking member so that a gap is not formed in a state where the lower frame and the connection frame are connected to each other. .

In order to achieve the above object, the luminaire for a clean room according to the present invention is connected to an upper cover frame which is connected to an upper side of a ceiling panel and a lamp device is installed therein, and is connected to the upper cover frame so as to be positioned below the ceiling panel. A luminaire for a clean room having a lower frame on which a floodlight window is installed, wherein the lower frame includes a ceiling seating portion seated on a bottom surface of the ceiling panel, a floodlight mounting portion on which the floodlight window is seated, and a connection portion of the upper cover frame. And a frame seating portion protruding at a position corresponding to and punctured by a plurality of bolt fastening holes, and protruding to be inserted into a temporary assembly hole formed in the upper cover frame so as to maintain a temporary assembly state when assembling the upper cover frame. A locking member which is recessed and recessed downwardly on an upper surface of the frame seating portion so that the locking member is seated and installed; It is further provided with a tooth groove, wherein the installation groove is recessed to have a depth of the same or larger dimensions compared to the thickness of the engaging portion of the engaging member so that the gap is not formed in the state that the lower frame and the upper cover frame are connected to each other It features.

The catching member may include an elastic catching portion which contracts and expands in and out in the process of being pressed into and separated from the temporary assembly hole according to the action of an external force.

Fitting grooves may be recessed and formed inside the frame seating portion in contact with the floodlight mounting portion so as to provide convenience when installing the floodlight window.

In this case, the pressing member may further include a pressing member press-fitted between the fitting groove and the edge of the floodlight window so that the state in which the floodlight window is inserted into the fitting groove is maintained firmly.

In addition, a plurality of adjustment members screwed into the installation groove and formed with an elastic member insertion hole therein so as to maintain the state where the floodlight is inserted into the fitting groove are elastically and firmly inserted into the elastic member insertion hole. The apparatus may further include a light transmission window fixing device having an elastic member to be inserted into the elastic member insertion hole, and a pressure piece provided at an upper side thereof to be liftable to press the edge of the light transmission window.

In order to achieve the above object, the luminaire for the clean room according to the present invention is connected to the connecting frame is installed in the opening of the ceiling panel, the lower frame is connected to the lower side of the connecting frame and the floodlight is installed, and the upper side of the connecting frame In a luminaire for a clean room having an upper cover frame having a lamp device installed therein, the lower frame includes a ceiling seating portion seated on a bottom surface of the ceiling panel, a light emitting window seating portion on which the floodlight window is seated, and the connection frame. And a frame seating portion protruding at a position corresponding to the hole and having a plurality of bolt fastening holes drilled therein, and an insertion groove is inserted into an inner side of the frame seating portion which is in contact with the floodlight mounting portion so as to provide convenience when installing the floodlight window. And the frame seating portion so that the state in which the floodlight is inserted into the fitting groove is elastically and firmly maintained. A plurality of adjustment members screwed to an upper surface and having an elastic member insertion hole therein, an elastic member to be inserted into and installed in the elastic member insertion hole, and an upper side of the elastic member insertion hole, which is installed in the elastic member insertion hole, And a light emitting window fixing device having a pressing piece provided to be liftable to press the edge portion.

In order to achieve the above object, the luminaire for a clean room according to the present invention is connected to an upper cover frame which is connected to an upper side of a ceiling panel and a lamp device is installed therein, and is connected to the upper cover frame so as to be positioned below the ceiling panel. A luminaire for a clean room having a lower frame on which a floodlight window is installed, wherein the lower frame includes a ceiling seating portion seated on a bottom surface of the ceiling panel, a floodlight mounting portion on which the floodlight window is seated, and a connection portion of the upper cover frame. And a frame seating portion protruding at a position corresponding to the hole and having a plurality of bolted holes drilled therein, wherein a fitting groove is inserted into an inner side of the frame seating portion which is in contact with the floodlight mounting portion so as to provide convenience when installing the floodlight window. And the frame seating portion so that the state in which the floodlight is inserted into the fitting groove is elastically and firmly maintained. A plurality of adjustment members screwed to a surface and having an elastic member insertion hole formed therein, an elastic member inserted into and installed in the elastic member insertion hole, and an upper side is inserted and stacked in the elastic member insertion hole, and a lower side of the floodlight And a light emitting window fixing device having a pressing piece provided to be liftable to press the edge portion.

The luminaire for the clean room of the present invention can easily perform a fastening operation in a state in which the lower frame is preassembled to the connecting frame, so that the worker can perform the assembly work conveniently and quickly without having to lift the lower frame for a long time. As a result, workability is improved during installation and maintenance, and construction time can be shortened and construction costs can be reduced.

In addition, since the transparent window can be elastically supported, even if the thickness of the transparent window is changed or there is an error, it can be effectively and efficiently fixed, and the transparent window is firmly and stably supported even when vibration occurs due to an external factor such as an earthquake or impact. Since it can be fixed, the durability of the luminaire can be improved and the stability of the clean room can be secured.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is an exploded perspective view showing a luminaire for a clean room according to an embodiment of the present invention, Figure 4 is an enlarged view of the main part of Figure 3, Figure 5 is a cross-sectional view showing a combined state of the luminaire for a clean room according to an embodiment of the present invention. 6 is an enlarged view illustrating main parts of FIG. 5.

3 to 6, the luminaire 200 for a clean room according to an embodiment of the present invention, the connection frame is installed in the opening 11 of the ceiling panel 10 is installed to form the ceiling portion of the clean room ( 210, a lower frame 220 connected to the lower side of the connecting frame 210 and a light transmitting window 240 is installed, and an upper cover frame 230 connected to an upper side of the connecting frame 210.

The connection frame 210 has a substantially rectangular frame shape, and is formed stepped in a step shape from the top to the bottom, and covers the cover frame seat 211 and the ceiling panel 10 in which the upper cover frame 230 is seated from the top. The panel mounting portion 212 to be seated, and the lower frame coupling portion 213 connected to each other and the lower frame 220 are sequentially formed. In addition, the lower frame coupling portion 213 is a bolt fastening hole 213a for fastening the frame fixing bolt 291 inserted through the lower frame 220, and the locking member 225 of the lower frame 220 to be described later. ), The provisional assembling hole 213b is perforated at a corresponding position so that is inserted.

The lower frame 220 is formed in a rectangular frame shape that is substantially similar to the shape of the opening 11 of the ceiling panel 10, and the ceiling seating portion 221 and the light emitting window 240 seated on the bottom surface of the ceiling panel 10 are provided. And a frame seating portion 223 protruding at a position corresponding to the transparent window seating portion 222 to be seated, and a plurality of bolt fastening holes 223a formed therein.

And, the lower frame 220 may be configured by various processing methods such as press working, injection molding, casting, etc., in this embodiment, the ceiling seating portion 221 on the cross-section of the metal, such as aluminum, by the extrusion method, light-transmitting The window mounting portion 222 and the frame seating portion 223 is formed long to cut to fit the size of the luminaire, and then welded to have a rectangular frame shape.

On the other hand, the lower frame 220 is formed with a locking member 225 and the installation groove 226 is installed, the locking member 225 to maintain the provisional assembly state when assembling the connection frame 210.

In addition, the engaging member 225 is configured to protrude and form the frame seating portion 223 to be inserted into the temporary assembly hole 213b of the connection frame 210, the coupling portion 225a in close contact with and fixed to the installation groove 226. ) And an elastic catching portion 225b inserted into the temporary assembly hole 213b. At this time, the elastic catching portion 225b is contracted and expanded in and out in the process of being pushed in and out of the temporary assembly hole 213b according to the action of the external force (external force applied upward or downward by the operator). For example, the elastic catching portion 225b may be formed to have a shape in which the upper end portion is narrow and protrudes in both sides by using a thin metal sheet having a band shape as shown in FIG. 4, but is not limited thereto. When the external force is applied, it can be applied to form in various forms or structures, if it can contract inward and expand outward upon release of the external force.

The installation groove 226 is configured to be recessed downward so that the locking member 225 is seated and installed on the upper surface of the frame seat 223, and the installation groove 226 has the lower frame 220 and the connection frame 210. It is characterized in that it is concaved to have the same or larger dimensions as compared with the thickness of the coupling portion 225a of the locking member 225 so that a gap is not formed due to the thickness of the coupling portion 225a in the state of being connected to each other.

On the other hand, the upper cover frame 230 is formed in the form of a rectangular box opened downward by using a plate member to seal the upper space and the lower space of the ceiling panel 10, the lamp device is installed therein. The lamp device may be configured in various forms without limiting the type, structure, etc. of the lamp, if the effective lighting can be implemented in the clean room, in this embodiment, as shown in Figure 5 fluorescent lamp 231, reflector 232, Ballast 233 and the like.

In addition, the upper cover frame 230 has a clamp 234 is configured on its side, so that even one worker can easily and quickly fix or detach the upper cover frame to the connection frame 210. At this time, the engaging ring 215 is formed in the connecting frame 210 corresponding to the installation position of the clamp 234 so that the engaging piece 234a of the clamp 234 is inserted or detached.

Reference numeral 292 in FIG. 5 denotes an airtight member provided to maintain airtightness, and is made of silicon packing, rubber packing, or the like. The airtight member 292 may be formed by injecting and curing gel-type silicon, or may be separately manufactured and installed to match the shape of the installation position.

7 is a view for explaining a first modification of the luminaire for the clean room according to an embodiment of the present invention.

Referring to FIG. 7, the lower frame 220 includes a ceiling seating portion 221 seated on the bottom surface of the ceiling panel 10, a floodlight mounting portion 222 on which the floodlight 240 is seated, and a connection frame 210. And a frame seating portion 223 protruding at a position corresponding to the bolt hole 223a and having a plurality of bolt fastening holes 223a formed therein, and fitted into an inner side of the frame seating portion 223 in contact with the light emitting window seating 222. 227 is concave and formed so as to provide convenience in installing the floodlight. That is, since the upper opening formed in the lower frame 220 is formed in accordance with the size of the light transmission window 240, the process of inserting and installing the light transmission window through the limited opening is very difficult, but the inside of the frame seat 223 Since the fitting groove 227 is formed in the fitting groove 227, one side is inserted first by tilting the light emitting window 240, so that sufficient installation space can be secured and can be conveniently installed.

The fitting groove 227 may be formed by performing a separate cutting process on the frame seating portion 223 having a rectangular cross section. However, the fitting groove 227 may be formed at the time of extruding the shaped steel for manufacturing the lower frame 220. Preferably, 227 is formed.

In addition, the fitting groove 227 further includes a pressing member 228 press-fitted between the fitting groove and the edge of the floodlight so that the inserted state of the floodlight 240 is maintained firmly. The pressing member 228 is formed to have a cross-sectional structure that is elastically shrunk upon insertion. In this embodiment, the pressing member 228 has a narrow inner side and a wide outer side “c” shaped cross-section as shown in FIG.

8A and 8B are views for explaining a second modification of the luminaire for a clean room according to an embodiment of the present invention, and FIG. 8A is an exploded perspective view in which a detailed structure is enlarged, and FIG. 8B shows a coupled state. It is an enlarged cross section.

8A and 8B, the lower frame 220 includes a ceiling seating portion 221, a light emitting window seating portion 222, a frame seating portion 223, and a fitting groove for installing the light emitting window 240 ( 227 is provided, the light emitting window fixing device 270 that can be fixed more securely and stably the light emitting window 240 is configured.

The light transmission window fixing device 270 is screwed into the installation groove 226 and the compression spring is inserted into the plurality of adjustment members 271 and the elastic member insertion hole 271a, the elastic member insertion hole 271a is formed therein. It is inserted through the elastic member 272, and the through hole 275 formed in the recess groove 227 side of the frame seat 220, the upper side is installed in the elastic member insertion hole (271a) and the lower side is The pressing piece 273 is provided so as to be lifted and lowered so as to press the edge portion of the light transmission window 240.

The adjustment member 271 has a tool insertion groove formed on an upper surface for insertion of an assembly tool such as a driver, and a thread is formed on an outer circumferential surface of the adjustment member 271 so as to be engaged with the fastening hole 274 formed in the installation groove 226.

The pressing piece 273 is formed in a round bar-shaped pin structure and has a close contact portion 273a formed to be tapered on the lower end thereof. The pressing piece 273 is made of synthetic resin such as silicone to prevent damage during close contact with the surface of the floodlight. It is preferable to apply the injection molded product. In addition, the close contact portion 273a may be manufactured by a separate member and configured to be coupled to the body side of the pressing piece 273.

Since the light transmission window fixing device 270 as described above fixes the light transmission window 240 by elastic force, the light transmission window can be more stably fixed, and the elastic member 272 absorbs fine vibrations applied from the outside. Therefore, even if an external factor such as an earthquake or explosion occurs, problems such as damage to the floodlight 240 may be solved, and stable airtightness may be ensured, thereby further improving the reliability of the clean room. .

In addition, since the pressing piece 273 of the light transmission window fixing device 270 has a structure that can be elevated, the pressure piece 273 may correspond appropriately when the thickness of the light transmission window 240 is changed, and even if there is an error in the thickness of the light transmission window 240, the light transmission window It can be supported and fixed stably without damage.

Hereinafter will be described the operation of the luminaire for the clean room according to an embodiment of the present invention.

Looking at the assembly process of the luminaire for the clean room according to an embodiment of the present invention briefly, first install the connecting frame 210 so that the panel seating portion 212 is inserted, seated in the opening of the ceiling panel, the cover frame of the connecting frame After assembling the upper cover frame 230 from the top to be seated in the seating portion 211 and fasten the clamp 234 to the hook 215 to be fixed.

Then, the locking member 225 is assembled to the frame seating portion 223 and the lower frame 220 having the light emitting window 240 installed on the light emitting window seating portion 222 is lifted and coupled to the connection frame 210.

When the coupling process of the lower frame 220 is lifted upward in a state in which the frame seating unit 223 is coincident with the lower frame coupling unit 213, the locking member 225 provided in the frame seating unit 223 is provided. Is pressed into the temporary assembling hole 213b. At this time, the elastic engaging portion 225b of the locking member 225 is contracted to the inside while being fitted into the temporary assembly hole 213b by the upward pressing force of the operator, and then expands to the outside at the same time as passing through the temporary assembly hole 213b. It serves to pre-assemble the entire frame 220 on the connection frame 210.

That is, even if the worker leaves both hands from the lower frame 220, the lower frame 220 is maintained on the connection frame 210 without falling down. In this state, the worker inserts the frame fixing bolt 291 through the bolt fastening hole 223a formed in the lower frame 220 to fasten the bolt fastening hole 213a of the connection frame 210.

According to this, since the lower frame 220 is fastened to the frame fixing bolt 291 in the assembled state to the connection frame 210, the operator can easily perform the assembly work without having to lift the lower frame 220 for a long time It can be performed and the working time is also shortened, so the assembly work can be performed quickly. In particular, when the fastening hole of the lower frame 220 and the bolt fastening hole 213a of the connection frame 210 do not coincide with each other due to a machining error, it is possible to more effectively cope with it.

In addition, as shown in FIG. 7, when the fitting groove 227 is formed in the inner side of the frame seating portion 223 in contact with the floodlight mounting portion 222, the fitting groove 227 of the floodlight window 240 is formed. It can be assembled more conveniently and quickly by inserting one side at an angle. In addition, as shown in FIG. 8A, when the floodlight fixing device 270 is configured in the lower frame 220, even if an external factor such as an earthquake or explosion occurs, the floodlight 240 may be stably supported. When the thickness of the light transmission window 240 is changed or even if there is an error in the thickness of the light transmission window 240 can be appropriately coped, it is possible to prevent damage or damage to the light transmission window.

Figure 9 is an exploded perspective view showing a clean room luminaire according to another embodiment of the present invention, Figure 10 is an enlarged view of the main portion of Figure 9, the clean room luminaire according to another embodiment of the present invention compared to the above-described embodiment The main configuration is similar to each other, but the main difference is that the configuration of the connection frame connecting the lower frame and the upper cover frame to each other is excluded.

9 and 10, the lamp 300 for the clean room according to another embodiment of the present invention is connected to an upper side of the ceiling panel 10 and an upper cover frame 310 having a lamp device installed therein, and a ceiling. The lower frame 320 is connected to the upper cover frame 310 so as to be positioned below the panel 10, and the light transmission window 330 is installed.

The upper cover frame 310 is formed in the shape of a rectangular box opened downward by using a plate member to seal the upper space and the lower space of the ceiling panel 10, the lamp device installed inside, the outer surface And a panel seating portion 311 protruding and formed to be seated and installed on the ceiling panel, and a lower frame seating portion 312 protruding and formed to connect the lower frame 320 to an inner lower end thereof. In addition, the lower frame seating portion 312 is a bolt fastening hole (not shown) for fastening the frame fixing bolt 391 is inserted through the lower frame 320, and the locking member 325 of the lower frame 320 to be described later ), A provisional assembling hole (not shown) is drilled in a corresponding position so that the () is inserted.

The lower frame 320 is positioned at a position corresponding to a ceiling seating portion 321 seated on the bottom surface of the ceiling panel 10, a light emitting window seating portion 322 on which the floodlight window is seated, and a connection portion of the upper cover frame 310. Protruding and provided with a frame seating portion 323 is a plurality of bolted fastening holes (323a), in the process of assembling the lower frame 320 and the upper cover frame 310, first, the lower frame 320 is upper Inserted into the cover frame 310 to maintain the pre-assembled state is characterized in that it is configured to perform the assembly work quickly and easily.

To this end, the lower frame 320 protrudes and is formed so as to be inserted into the temporary assembly hole formed in the upper cover frame 310, and the frame seating portion 323 so that the locking member 325 is seated and installed. It is further provided with an installation groove 326 concave downward on the upper surface of the. At this time, the depth of the installation groove 326 is equal to or compared with the thickness of the coupling portion 325a of the locking member 325 so that a gap is not formed in a state where the lower frame 320 and the upper cover frame 310 are connected to each other. It is recessed to have a large dimension.

On the other hand, the clean room lamp 300 according to another embodiment of the present invention is not shown in a separate drawing or described in detail, but can be applied to the first and second modified examples of the embodiment shown in Figures 7 to 8b. Of course.

What has been described above is just one embodiment for carrying out the luminaire for the clean room according to the present invention, the present invention is not limited to the above-described embodiment, and as claimed in the following claims do not depart from the gist of the present invention. Any person with ordinary skill in the art to which the present invention pertains will be within the scope of the technical idea of the present invention to the extent that various modifications can be made.

1 is a schematic cross-sectional view for explaining a conventional luminaire for clean room,

Figure 2 is an enlarged view of the main part of the conventional luminaire for clean room,

Figure 3 is an exploded perspective view showing a luminaire for a clean room according to an embodiment of the present invention,

4 is an enlarged view illustrating main parts of FIG. 3;

Figure 5 is a cross-sectional view showing a combined state of the luminaire for the clean room according to an embodiment of the present invention,

6 is an enlarged view illustrating main parts of FIG. 5;

7 is a view for explaining a first modified example of a luminaire for a clean room according to an embodiment of the present invention;

8A and 8B are views for explaining a second modification of the luminaire for the clean room according to the embodiment of the present invention;

Figure 9 is an exploded perspective view showing a luminaire for a clean room according to another embodiment of the present invention,

10 is an enlarged view illustrating main parts of FIG. 9;

<Explanation of symbols for main parts of drawing>

10: ceiling panel 200, 300: luminaire for clean room

210: connecting frame 220, 320: lower frame

221,321: ceiling seat 222,322: floodlight seat

223,323: Frame mounting part 225, 325: Locking member

226,326: mounting groove 227: fitting groove

228: pressure member 270: floodlight fixing device

271: adjusting member 272: elastic member

273: pressure piece

Claims (8)

A luminaire for a clean room having a connecting frame installed in an opening of a ceiling panel, a lower frame connected to a lower side of the connecting frame and a floodlight window installed, and an upper cover frame connected to an upper side of the connecting frame and installed with a lamp device therein. To The lower frame may include a ceiling seating portion seated on a bottom surface of the ceiling panel, a light emitting window seating portion on which the floodlight window is seated, and a frame seating portion protruding at a position corresponding to the connection frame and having a plurality of bolted holes drilled therein. , The locking member protrudes and is formed to be inserted into the temporary assembly hole formed in the connection frame so as to maintain the provisional assembly state when the connection frame is assembled with the connection frame, and the recess is downwardly inserted into the upper surface of the frame mounting part so that the locking member is seated and installed. Equipped with an installation groove, The installation groove is recessed to have a depth equal to or greater than that of the engaging portion of the locking member so that a gap is not formed in a state where the lower frame and the connection frame are connected to each other. Luminaires for the clean room, characterized in that the recess is formed in the inner side of the frame seating portion in contact with the light emitting window seating portion to provide convenience during installation of the floodlighting window. In a luminaire for a clean room having an upper cover frame connected to an upper side of a ceiling panel and a lamp device installed therein, and a lower frame connected to the upper cover frame to a lower side of the ceiling panel and provided with a light emitting window, The lower frame includes a ceiling seating portion seated on a bottom surface of the ceiling panel, a light emitting window seating portion on which the floodlight window is seated, and a frame having a plurality of bolted holes perforated at a position corresponding to a connection portion of the upper cover frame. With seating, The locking member protrudes and is formed to be inserted into the temporary assembly hole formed in the upper cover frame so as to maintain the provisional assembly state when the upper cover frame is assembled. It is further provided with an installation groove that is recessed into, The installation groove is recessed to have a depth equal to or greater than that of the engaging portion of the locking member so that a gap is not formed in a state where the lower frame and the upper cover frame are connected to each other. Luminaires for the clean room, characterized in that the recess is formed in the inner side of the frame seating portion in contact with the light emitting window seating portion to provide convenience during installation of the floodlighting window. The method according to claim 1 or 2, The catching member is a lamp for a clean room, characterized in that it has an elastic catching portion that is contracted and expanded in and out in the process of being pushed into and out of the temporary assembly hole under the action of an external force. delete The method according to claim 1 or 2, And a pressing member press-fitted between the fitting groove and the edge of the floodlight so that the state where the floodlight is inserted into the fitting groove is firmly maintained. The method according to claim 1 or 2, A plurality of adjustment members that are screwed into the installation grooves and have elastic member insertion holes formed therein so that the state where the light-transmitting window is inserted into the fitting groove is elastically and firmly inserted, and is inserted and installed in the elastic member insertion holes And a transparent window fixing device having a member, and an urging piece installed on the elastic member inserting hole so that an upper side is inserted into the elastic member and the lower side is liftable to press the edge of the light emitting window. A luminaire for a clean room having a connecting frame installed in an opening of a ceiling panel, a lower frame connected to a lower side of the connecting frame and a floodlight window installed, and an upper cover frame connected to an upper side of the connecting frame and having a lamp device installed therein. To The lower frame may include a ceiling seating portion seated on a bottom surface of the ceiling panel, a light emitting window seating portion on which the floodlight window is seated, and a frame seating portion protruding at a position corresponding to the connection frame and having a plurality of bolted holes drilled therein. , The fitting groove is recessed and formed inside the frame seating portion in contact with the floodlight mounting portion so as to provide convenience at the time of installation of the floodlight window. A plurality of adjustment members screwed to the upper surface of the frame seating portion and formed with an elastic member insertion hole therein so that the state where the floodlight is inserted into the fitting groove is elastically and firmly inserted into the elastic member insertion hole. And a light emitting window fixing device having an elastic member to be inserted into the elastic member inserting hole, and a pressurizing piece installed at the lower side thereof to be pushed up and down to press the edge of the light emitting window. Luminaire. In a luminaire for a clean room having an upper cover frame connected to an upper side of a ceiling panel and a lamp device installed therein, and a lower frame connected to the upper cover frame to a lower side of the ceiling panel and provided with a light emitting window, The lower frame has a ceiling seating portion seated on the bottom surface of the ceiling panel, a light emitting window seating portion on which the floodlight window is seated, and a position corresponding to the connection portion of the upper cover frame, and a plurality of bolted holes are drilled. Provided with a frame seat The fitting groove is recessed and formed inside the frame seating portion in contact with the floodlight mounting portion so as to provide convenience at the time of installation of the floodlight window. A plurality of adjustment members screwed to the upper surface of the frame seating portion and formed with an elastic member insertion hole therein so that the state where the floodlight is inserted into the fitting groove is elastically and firmly inserted into the elastic member insertion hole. And a light emitting window fixing device having an elastic member to be inserted into the elastic member inserting hole, and a pressurizing piece installed at the lower side thereof to be pushed up and down to press the edge of the light emitting window. Luminaire.

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