JP2005044540A - Luminaire in clean room - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a luminaire allowing easy maintenance work under the roof of a clean room or the like to be easily carried out without needing an extra working time. <P>SOLUTION: This luminaire is composed of a translucent plate 11, a pipe body 12, and a plate member with at least illuminating lamps 17 installed on its one surface; and is characterized by that the translucent plate 11 is mounted to one-side opening part of the pipe body 12 through a sealing member 11s; and the plate member 13 is so disposed as to position the illuminating lamps 17 on the pipe body 12 side in the other opening part of the pipe body 12, and mounted rotatably and rockingly by a fastener 14a such as a thumb screw and a drawing lock 14b through a sealing member 14s. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a lighting apparatus provided on a ceiling of a clean room or the like, and more particularly to a structure with improved maintainability.
[0002]
[Prior art]
In a clean room of a semiconductor manufacturing factory that is required to maintain the cleanliness of the room, various experimental laboratories or operating rooms of hospitals, etc., the lighting fixture provided on the ceiling of the room removes the translucent plate on the lower surface of the ceiling, The lamp was replaced from the bottom.
[0003]
In that case, during maintenance, it may not be separated from the ceiling of the non-clean area, and the clean room interior will be contaminated. Therefore, the production of that part may have to be stopped, which hinders production work. is there. Even if the ceiling and the lighting fixture housing are separated, when the lamp is removed, the clean room is contaminated by the gap between the lamp and the socket. Furthermore, since the ceiling of the clean room is high (sometimes 3 m or more, sometimes close to 4 m), a maintenance scaffold is required every time the lamp is burned out.
[0004]
Therefore, an attachment structure that does not contaminate the room during maintenance has been considered (see, for example, Patent Document 1).
[0005]
[Patent Document 1]
Japanese Patent Laid-Open No. 2000-182429
In this patent document 1, the maintenance work of the lighting fixtures provided on the ceiling is performed by utilizing the fact that the ceiling of the clean room has sufficient strength and there is a space where an operator can enter and work on the back of the ceiling. It is intended to be configured to be implemented behind the ceiling.
[0007]
In the present invention, as shown in FIG. 2, the mounting structure is such that, in the ceiling lighting fixture mounting opening, a support frame is installed on the inner periphery of the opening of the ceiling material, a translucent plate is installed, A box with a built-in lamp is installed.
[0008]
That is, in FIG. 2, what is shown by the code | symbol 20 is an illuminating device, This illuminating device 20 is comprised by the translucent board 21 and the box 22 with which the surface was open | released, the illuminating lamp was built in and the power supply device was equipped. Has been. The lighting fixture 20 has the translucent plate 21 installed on the lower surface inner peripheral protruding side of the support frame 4 via a sealing material 21s with respect to the support frame 4 installed on the inner periphery of the opening of the ceiling material 3, and the box The body 22 is installed at an intermediate step portion of the support frame 4 via a sealing material 22s so that the open surface faces the light transmitting plate 21. The support frame 4 is installed on the inner periphery of the opening of the ceiling material 3 via a seal material 4s.
[0009]
The luminaire 20 configured and installed as described above is removed after the box 22 is removed from the ceiling for maintenance, and the maintenance work is performed. During this time, the ceiling material 3, the support frame 4 and the translucent plate 21 are maintained in an airtight state by the sealing material 4s and the sealing material 21s, and the clean room room and the ceiling behind the maintenance work are separated from each other, thereby maintaining the ceiling. There is no dust contamination in the clean room due to work.
[0010]
However, this Patent Document 1 has the following problems. That is, since the box body 22 of the lighting fixture 20 is configured to be installed at the intermediate step portion of the support frame 4, in order to perform maintenance work inside the box body 22, the box body 22 is removed and the vicinity of the Must be flipped into space. However, even if there is a work space for the operator behind the ceiling, it is limited, and it is difficult to remove and install the box 22 in a narrow space, and to perform maintenance work in search of the work space. There was a drawback of needing.
[0011]
Moreover, there exists a lighting fixture which can replace a lamp from the back of a ceiling (for example, refer patent document 2).
[0012]
[Patent Document 2]
JP 2000-011741 A
In the present invention, the fixture body (1) is separated from the upper lid to which the lamp socket is fixed so that the lamp can be exchanged behind the ceiling, and the upper lid can be opened and closed by using a hinge to the main body. .
However, the present invention has a structure in which the instrument body (1) is suspended from the ceiling slab by the bolt (5) via the mounting bracket (2), and is suspended separately from the ceiling material and joined to the ceiling material. Is a structure in which the upper part of the frame (10) is pressed from below, and a dustproof seal cannot be provided between the back of the ceiling, which is a non-clean space, and the bottom of the ceiling, which is a clean space. In addition, the installation place cannot be easily replaced with a filter installed on the ceiling, and even if it can be done, it takes time and is complicated. The installation place replacement work involves drawing out the lamp under the ceiling material, so it is necessary to work with the indoor side operator and the ceiling side operator. If the ceiling of the clean room is high, the indoor side For those workers, a scaffold for maintenance is required.
[0014]
[Problems to be solved by the invention]
Accordingly, the present invention eliminates the drawbacks of the conventional example, and provides a lighting device in a clean room that does not require extra work time, is easy to perform maintenance work on the back of the ceiling of a clean room, etc., and does not require extra work time. The purpose is to do.
[0015]
[Means for Solving the Problems]
The lighting apparatus in the clean room according to the present invention is a clean room, and a channel material having a strength that allows a person to work on the ceiling of the room is laid, and a plate material such as a steel plate constituting the filter or the ceiling, A ceiling system is mounted on the channel material, and a lighting fixture integrated with a lighting fixture mounting plate is provided in the ceiling system so that the ceiling system can be placed on a ceiling frame. And a plate member provided with at least an illuminating lamp on one surface, the translucent plate is assembled to one opening of the cylindrical body via a sealing material, and fixed by a fixing means such as a screw, The plate member is disposed so that the illuminating lamp is positioned on the cylinder side in the other opening of the cylinder, and is assembled so as to be able to open and close by a hinge.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of a lighting apparatus according to the present invention will be described in detail with reference to the drawings. FIG. 1 is a sectional view showing a lighting apparatus according to the present invention. In FIG. 1, what is denoted by reference numeral 10 is a lighting fixture, and the lighting fixture 10 includes a light transmitting plate 11, a cylindrical body 12, and a plate member 13. The plate member 13 is provided with a support base 15 on one surface. Two illumination lamps (usually, rod-like fluorescent lamps) 17 and a reflection plate 16 are provided on both sides of the illumination lamp 17 on the surface of the support base 15 in the depth direction of the figure. In the support base 15, equipment components such as a power supply device are accommodated. In FIG. 1, the two illumination lamps 17 are shown, but the number is not limited to two, and one or a plurality of three or more may be used. The reflecting plate 16 is not an essential member element depending on the type. When the illuminating lamp 17 is assembled, the plate member 13 is normally configured as a rectangular plate member.
[0017]
The cylinder 12 is a cylinder having a short length (height) capable of accommodating the illumination lamp 17 and the like assembled to the plate member 13, and the cylinder cross-sectional shape in the direction perpendicular to the axis is the planar shape of the plate member 13. It is configured in a rectangle to match. The translucent plate 11 is configured in a rectangular shape covering the rectangular opening of the cylindrical body 12. The plate member 13 covers the opening at the other end (upper side in FIG. 1) of the cylindrical body 12 so that the surface on which the illumination lamp 17 and the like are assembled constitutes the inner surface of the cylindrical body 12, One long side (side in the depth direction on the left side in FIG. 1) is assembled by a hinge 14 so as to be able to open and close. The translucent plate 11 is a translucent plate material, and is configured to be able to cover one end (lower side in FIG. 1) of the cylindrical body 12 in an airtight state via a sealing material 11s. Has been.
[0018]
That is, the lighting fixture 10 constituted by the light transmitting plate 11, the cylindrical body 12, and the plate member 13 is assembled in a hermetic state with the channel material 1 constituting the ceiling through the sealing material 1s. In the opening 2a of the assembling plate 2, the translucent plate 11 is assembled to the indoor side (lower side in FIG. 1) of the lighting fixture assembling plate 2 via a sealing material 11s, and the cylinder 12 is one opening end portion. Is attached to the outdoor side of the lighting fixture assembly plate 2 (upper side in FIG. 1, the ceiling back side) via a sealing material 12 s. Further, the plate member 13 assembled to the other opening end of the cylindrical body 12 by the hinge 14 is closed in an airtight state via a sealing material 13s between the two members, and at least the other member facing the hinge 14 is closed. On the long side (the side in the right depth direction in FIG. 1), it is fastened and fixed by a fastening tool 14a such as a thumbscrew and a drawing lock 14b. 14s is a sealing material.
[0019]
In the configuration shown in FIG. 1, the translucent plate 11 and the cylindrical body 12 are assembled via the lighting fixture assembly plate 2, but the translucent plate 11 is assembled directly to the cylindrical body 12. The cylindrical body 12 may be assembled to the luminaire assembly plate 2. In such a configuration, the sealing material 13 s provided between the cylindrical body 12 and the plate member 13, and in the configuration illustrated in FIG. 1, the seal provided between the lighting fixture assembly plate 2 and the cylindrical body 12. The material 12 s and the sealing material 13 s provided between the cylindrical body 12 and the plate member 13 are desirably provided, but are not essential members for dust prevention. Further, the case where the cylindrical body 12 has an opening shape configured in a rectangular shape and the cylindrical body 12 and the plate member 13 are also configured in a rectangular shape has been described. However, the cylindrical body 12 has an opening shape in a rectangular shape. The shape is not limited, and the shape may be a circle, an ellipse, a polygon, or the like.
[0020]
In the luminaire 10 configured as described above, for example, when performing maintenance work for replacing the illuminating lamp 17, first, the fastener 14a is disassembled, the pulling lock 14b is removed, and the fastener 14a of the plate member 13 is removed. 1 is lifted, and the rotation is reversed with the hinge 14 as a fulcrum (counterclockwise in FIG. 1). As a result, the illuminating lamp 17 appears outside the cylinder 12, and the illuminating lamp 17 is positioned on the upper surface of the plate member 13. The illuminating lamp 17 is replaced with the illuminating lamp 17 appearing outside the cylindrical body 12. Thereafter, the side of the plate member 13 where the fastening tool 14a is disassembled is lifted and turned around with the hinge 14 as a fulcrum (clockwise in FIG. 1). As a result, the illuminating lamp 17 is accommodated in the cylindrical body 12, the plate member 13 is in a state of covering the opening end of the cylindrical body 12, the pulling lock 14b is stopped, the fastening tool 14a is tightened, and the maintenance work is finished. . In addition, since the translucent plate 11 is assembled | attached via the lighting fixture assembly board 2 and the sealing material 11s, the indoor side and the ceiling back side are partitioned off in the airtight state in the opening 2a of the lighting fixture assembly plate 2. Therefore, dust generated by the work behind the ceiling does not affect the room.
[0021]
【The invention's effect】
Since the lighting fixture in the clean room according to the present invention is configured as described above, the following effects can be obtained.
That is, in a clean room, a channel material having such a strength that a person can work on the ceiling is laid on the ceiling of the room, and a plate material such as a filter or a steel plate constituting the ceiling is placed on the channel material. By installing a lighting fixture integrated with the lighting fixture mounting plate so that the ceiling system can be placed on the ceiling frame, the operator can safely replace the lamp from the back of the ceiling. .
[0022]
In addition, since this lighting fixture does not have a suspension member as in the conventional example, the installation location can be easily replaced with a filter installed on the ceiling (there is a fan unit at the top), and the installation flexibility is high.
[0023]
Further, according to the present invention, the luminaire is composed of a translucent plate, a cylindrical body, and a plate member provided with at least an illuminating lamp on one surface, and the translucent plate is inserted into one opening of the cylindrical body with a sealing material interposed therebetween. And the plate member is arranged so that the illuminating lamp is located on the cylinder side at the other opening of the cylinder and is assembled so as to be able to open and close by a hinge. Appears easily reversed. Therefore, there is no need to search for a work space, and the maintenance work can be carried out easily and in the minimum necessary time.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a lighting fixture according to the present invention.
FIG. 2 is a cross-sectional view showing a conventional lighting fixture.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Channel material 2 which comprises ceiling 2 Lighting fixture assembly board 2a Opening 3 Ceiling material 4 Support frame 4s Sealing material 10 (invention) Lighting fixture 11 (invention) Translucent plate 11s Sealing material 12 Cylindrical body 12s Sealing material 13 Plate member 13s Sealing material 14 Hinge 14a Fastening tool 14b Pulling lock 14s Sealing material 15 Supporting base 16 Reflecting plate 17 Illuminating lamp 20 (Conventional) Translucent plate 21s Sealing material 22 Box 22s Seal Material

Claims (1)

In a clean room, a channel material having such a strength that a person can work on the ceiling is laid on the ceiling of the room, and a plate material such as a filter or a steel plate constituting the ceiling is placed on the channel material and the ceiling. As a system, the ceiling system is provided with a lighting fixture integrated with a lighting fixture mounting plate so that it can be placed on a ceiling frame, and the lighting fixture is provided with a translucent plate, a cylindrical body, and at least an illumination lamp on one surface. A plate member, the translucent plate is assembled to one opening of the cylindrical body via a sealing material, and fixed by fixing means such as screws, and the plate member is fixed to the other side of the cylindrical body. An illuminator characterized in that an illuminating lamp is disposed at the opening so as to be positioned on the cylindrical body side, and is assembled so as to be capable of opening and closing by a hinge.

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